diff --git a/.mailmap b/.mailmap index 399532805d7f..6d6e144cc3c3 100644 --- a/.mailmap +++ b/.mailmap @@ -73,6 +73,9 @@ Chao Yu Chao Yu Chris Chiu Chris Chiu +Christian Borntraeger +Christian Borntraeger +Christian Borntraeger Christophe Ricard Christoph Hellwig Colin Ian King diff --git a/Documentation/admin-guide/laptops/thinkpad-acpi.rst b/Documentation/admin-guide/laptops/thinkpad-acpi.rst index 6721a80a2d4f..475eb0e81e4a 100644 --- a/Documentation/admin-guide/laptops/thinkpad-acpi.rst +++ b/Documentation/admin-guide/laptops/thinkpad-acpi.rst @@ -1520,15 +1520,15 @@ This sysfs attribute controls the keyboard "face" that will be shown on the Lenovo X1 Carbon 2nd gen (2014)'s adaptive keyboard. The value can be read and set. -- 1 = Home mode -- 2 = Web-browser mode -- 3 = Web-conference mode -- 4 = Function mode -- 5 = Layflat mode +- 0 = Home mode +- 1 = Web-browser mode +- 2 = Web-conference mode +- 3 = Function mode +- 4 = Layflat mode For more details about which buttons will appear depending on the mode, please review the laptop's user guide: -http://www.lenovo.com/shop/americas/content/user_guides/x1carbon_2_ug_en.pdf +https://download.lenovo.com/ibmdl/pub/pc/pccbbs/mobiles_pdf/x1carbon_2_ug_en.pdf Battery charge control ---------------------- diff --git a/Documentation/admin-guide/sysctl/kernel.rst b/Documentation/admin-guide/sysctl/kernel.rst index 426162009ce9..0e486f41185e 100644 --- a/Documentation/admin-guide/sysctl/kernel.rst +++ b/Documentation/admin-guide/sysctl/kernel.rst @@ -1099,7 +1099,7 @@ task_delayacct =============== Enables/disables task delay accounting (see -:doc:`accounting/delay-accounting.rst`). Enabling this feature incurs +Documentation/accounting/delay-accounting.rst. Enabling this feature incurs a small amount of overhead in the scheduler but is useful for debugging and performance tuning. It is required by some tools such as iotop. diff --git a/Documentation/arm/marvell.rst b/Documentation/arm/marvell.rst index 8323c79d321b..9485a5a2e2e9 100644 --- a/Documentation/arm/marvell.rst +++ b/Documentation/arm/marvell.rst @@ -104,6 +104,8 @@ Discovery family Not supported by the Linux kernel. + Homepage: + https://web.archive.org/web/20110924171043/http://www.marvell.com/embedded-processors/discovery-innovation/ Core: Feroceon 88fr571-vd ARMv5 compatible @@ -120,6 +122,7 @@ EBU Armada family - 88F6707 - 88F6W11 + - Product infos: https://web.archive.org/web/20141002083258/http://www.marvell.com/embedded-processors/armada-370/ - Product Brief: https://web.archive.org/web/20121115063038/http://www.marvell.com/embedded-processors/armada-300/assets/Marvell_ARMADA_370_SoC.pdf - Hardware Spec: https://web.archive.org/web/20140617183747/http://www.marvell.com/embedded-processors/armada-300/assets/ARMADA370-datasheet.pdf - Functional Spec: https://web.archive.org/web/20140617183701/http://www.marvell.com/embedded-processors/armada-300/assets/ARMADA370-FunctionalSpec-datasheet.pdf @@ -127,9 +130,29 @@ EBU Armada family Core: Sheeva ARMv7 compatible PJ4B + Armada XP Flavors: + - MV78230 + - MV78260 + - MV78460 + + NOTE: + not to be confused with the non-SMP 78xx0 SoCs + + - Product infos: https://web.archive.org/web/20150101215721/http://www.marvell.com/embedded-processors/armada-xp/ + - Product Brief: https://web.archive.org/web/20121021173528/http://www.marvell.com/embedded-processors/armada-xp/assets/Marvell-ArmadaXP-SoC-product%20brief.pdf + - Functional Spec: https://web.archive.org/web/20180829171131/http://www.marvell.com/embedded-processors/armada-xp/assets/ARMADA-XP-Functional-SpecDatasheet.pdf + - Hardware Specs: + - https://web.archive.org/web/20141127013651/http://www.marvell.com/embedded-processors/armada-xp/assets/HW_MV78230_OS.PDF + - https://web.archive.org/web/20141222000224/http://www.marvell.com/embedded-processors/armada-xp/assets/HW_MV78260_OS.PDF + - https://web.archive.org/web/20141222000230/http://www.marvell.com/embedded-processors/armada-xp/assets/HW_MV78460_OS.PDF + + Core: + Sheeva ARMv7 compatible Dual-core or Quad-core PJ4B-MP + Armada 375 Flavors: - 88F6720 + - Product infos: https://web.archive.org/web/20140108032402/http://www.marvell.com/embedded-processors/armada-375/ - Product Brief: https://web.archive.org/web/20131216023516/http://www.marvell.com/embedded-processors/armada-300/assets/ARMADA_375_SoC-01_product_brief.pdf Core: @@ -162,29 +185,6 @@ EBU Armada family Core: ARM Cortex-A9 - Armada XP Flavors: - - MV78230 - - MV78260 - - MV78460 - - NOTE: - not to be confused with the non-SMP 78xx0 SoCs - - Product Brief: - https://web.archive.org/web/20121021173528/http://www.marvell.com/embedded-processors/armada-xp/assets/Marvell-ArmadaXP-SoC-product%20brief.pdf - - Functional Spec: - https://web.archive.org/web/20180829171131/http://www.marvell.com/embedded-processors/armada-xp/assets/ARMADA-XP-Functional-SpecDatasheet.pdf - - - Hardware Specs: - - - https://web.archive.org/web/20141127013651/http://www.marvell.com/embedded-processors/armada-xp/assets/HW_MV78230_OS.PDF - - https://web.archive.org/web/20141222000224/http://www.marvell.com/embedded-processors/armada-xp/assets/HW_MV78260_OS.PDF - - https://web.archive.org/web/20141222000230/http://www.marvell.com/embedded-processors/armada-xp/assets/HW_MV78460_OS.PDF - - Core: - Sheeva ARMv7 compatible Dual-core or Quad-core PJ4B-MP - Linux kernel mach directory: arch/arm/mach-mvebu Linux kernel plat directory: @@ -436,7 +436,7 @@ Berlin family (Multimedia Solutions) - Flavors: - 88DE3010, Armada 1000 (no Linux support) - Core: Marvell PJ1 (ARMv5TE), Dual-core - - Product Brief: http://www.marvell.com.cn/digital-entertainment/assets/armada_1000_pb.pdf + - Product Brief: https://web.archive.org/web/20131103162620/http://www.marvell.com/digital-entertainment/assets/armada_1000_pb.pdf - 88DE3005, Armada 1500 Mini - Design name: BG2CD - Core: ARM Cortex-A9, PL310 L2CC diff --git a/Documentation/bpf/index.rst b/Documentation/bpf/index.rst index 37f273a7e8b6..610450f59e05 100644 --- a/Documentation/bpf/index.rst +++ b/Documentation/bpf/index.rst @@ -15,7 +15,7 @@ that goes into great technical depth about the BPF Architecture. libbpf ====== -Documentation/bpf/libbpf/libbpf.rst is a userspace library for loading and interacting with bpf programs. +Documentation/bpf/libbpf/index.rst is a userspace library for loading and interacting with bpf programs. BPF Type Format (BTF) ===================== diff --git a/Documentation/devicetree/bindings/display/bridge/analogix,anx7625.yaml b/Documentation/devicetree/bindings/display/bridge/analogix,anx7625.yaml index ab48ab2f4240..1d3e88daca04 100644 --- a/Documentation/devicetree/bindings/display/bridge/analogix,anx7625.yaml +++ b/Documentation/devicetree/bindings/display/bridge/analogix,anx7625.yaml @@ -43,14 +43,70 @@ properties: vdd33-supply: description: Regulator that provides the supply 3.3V power. + analogix,lane0-swing: + $ref: /schemas/types.yaml#/definitions/uint8-array + minItems: 1 + maxItems: 20 + description: + an array of swing register setting for DP tx lane0 PHY. + Registers 0~9 are Swing0_Pre0, Swing1_Pre0, Swing2_Pre0, + Swing3_Pre0, Swing0_Pre1, Swing1_Pre1, Swing2_Pre1, Swing0_Pre2, + Swing1_Pre2, Swing0_Pre3, they are for [Boost control] and + [Swing control] setting. + Registers 0~9, bit 3:0 is [Boost control], these bits control + post cursor manual, increase the [Boost control] to increase + Pre-emphasis value. + Registers 0~9, bit 6:4 is [Swing control], these bits control + swing manual, increase [Swing control] setting to add Vp-p value + for each Swing, Pre. + Registers 10~19 are Swing0_Pre0, Swing1_Pre0, Swing2_Pre0, + Swing3_Pre0, Swing0_Pre1, Swing1_Pre1, Swing2_Pre1, Swing0_Pre2, + Swing1_Pre2, Swing0_Pre3, they are for [R select control] and + [R Termination control] setting. + Registers 10~19, bit 4:0 is [R select control], these bits are + compensation manual, increase it can enhance IO driven strength + and Vp-p. + Registers 10~19, bit 5:6 is [R termination control], these bits + adjust 50ohm impedance of DP tx termination. 00:55 ohm, + 01:50 ohm(default), 10:45 ohm, 11:40 ohm. + + analogix,lane1-swing: + $ref: /schemas/types.yaml#/definitions/uint8-array + minItems: 1 + maxItems: 20 + description: + an array of swing register setting for DP tx lane1 PHY. + DP TX lane1 swing register setting same with lane0 + swing, please refer lane0-swing property description. + + analogix,audio-enable: + type: boolean + description: let the driver enable audio HDMI codec function or not. + ports: $ref: /schemas/graph.yaml#/properties/ports properties: port@0: - $ref: /schemas/graph.yaml#/properties/port + $ref: /schemas/graph.yaml#/$defs/port-base + unevaluatedProperties: false description: - Video port for MIPI DSI input. + MIPI DSI/DPI input. + + properties: + endpoint: + $ref: /schemas/media/video-interfaces.yaml# + type: object + additionalProperties: false + + properties: + remote-endpoint: true + + bus-type: + enum: [1, 5] + default: 1 + + data-lanes: true port@1: $ref: /schemas/graph.yaml#/properties/port @@ -87,6 +143,9 @@ examples: vdd10-supply = <&pp1000_mipibrdg>; vdd18-supply = <&pp1800_mipibrdg>; vdd33-supply = <&pp3300_mipibrdg>; + analogix,audio-enable; + analogix,lane0-swing = /bits/ 8 <0x14 0x54 0x64 0x74>; + analogix,lane1-swing = /bits/ 8 <0x14 0x54 0x64 0x74>; ports { #address-cells = <1>; @@ -96,6 +155,8 @@ examples: reg = <0>; anx7625_in: endpoint { remote-endpoint = <&mipi_dsi>; + bus-type = <5>; + data-lanes = <0 1 2 3>; }; }; diff --git a/Documentation/devicetree/bindings/display/bridge/nxp,ptn3460.yaml b/Documentation/devicetree/bindings/display/bridge/nxp,ptn3460.yaml new file mode 100644 index 000000000000..107dd138e6c6 --- /dev/null +++ b/Documentation/devicetree/bindings/display/bridge/nxp,ptn3460.yaml @@ -0,0 +1,106 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/display/bridge/nxp,ptn3460.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: NXP PTN3460 eDP to LVDS bridge + +maintainers: + - Sean Paul + +properties: + compatible: + const: nxp,ptn3460 + + reg: + description: I2C address of the bridge + maxItems: 1 + + edid-emulation: + $ref: "/schemas/types.yaml#/definitions/uint32" + description: + The EDID emulation entry to use + Value Resolution Description + 0 1024x768 NXP Generic + 1 1920x1080 NXP Generic + 2 1920x1080 NXP Generic + 3 1600x900 Samsung LTM200KT + 4 1920x1080 Samsung LTM230HT + 5 1366x768 NXP Generic + 6 1600x900 ChiMei M215HGE + enum: [0, 1, 2, 3, 4, 5, 6] + + powerdown-gpios: + description: GPIO connected to the PD_N signal. + maxItems: 1 + + reset-gpios: + description: GPIO connected to the RST_N signal. + maxItems: 1 + + ports: + $ref: /schemas/graph.yaml#/properties/ports + + properties: + port@0: + $ref: /schemas/graph.yaml#/properties/port + description: + Video port for LVDS output + + port@1: + $ref: /schemas/graph.yaml#/properties/port + description: + Video port for eDP input + + required: + - port@0 + - port@1 + +required: + - compatible + - reg + - edid-emulation + - powerdown-gpios + - reset-gpios + - ports + +additionalProperties: false + +examples: + - | + #include + + i2c1 { + #address-cells = <1>; + #size-cells = <0>; + + bridge@20 { + compatible = "nxp,ptn3460"; + reg = <0x20>; + edid-emulation = <5>; + powerdown-gpios = <&gpy2 5 GPIO_ACTIVE_HIGH>; + reset-gpios = <&gpx1 5 GPIO_ACTIVE_LOW>; + + ports { + #address-cells = <1>; + #size-cells = <0>; + + port@0 { + reg = <0>; + bridge_out: endpoint { + remote-endpoint = <&panel_in>; + }; + }; + + port@1 { + reg = <1>; + bridge_in: endpoint { + remote-endpoint = <&dp_out>; + }; + }; + }; + }; + }; + +... diff --git a/Documentation/devicetree/bindings/display/bridge/ptn3460.txt b/Documentation/devicetree/bindings/display/bridge/ptn3460.txt deleted file mode 100644 index 361971ba104d..000000000000 --- a/Documentation/devicetree/bindings/display/bridge/ptn3460.txt +++ /dev/null @@ -1,39 +0,0 @@ -ptn3460 bridge bindings - -Required properties: - - compatible: "nxp,ptn3460" - - reg: i2c address of the bridge - - powerdown-gpio: OF device-tree gpio specification for PD_N pin. - - reset-gpio: OF device-tree gpio specification for RST_N pin. - - edid-emulation: The EDID emulation entry to use - +-------+------------+------------------+ - | Value | Resolution | Description | - | 0 | 1024x768 | NXP Generic | - | 1 | 1920x1080 | NXP Generic | - | 2 | 1920x1080 | NXP Generic | - | 3 | 1600x900 | Samsung LTM200KT | - | 4 | 1920x1080 | Samsung LTM230HT | - | 5 | 1366x768 | NXP Generic | - | 6 | 1600x900 | ChiMei M215HGE | - +-------+------------+------------------+ - - - video interfaces: Device node can contain video interface port - nodes for panel according to [1]. - -[1]: Documentation/devicetree/bindings/media/video-interfaces.txt - -Example: - lvds-bridge@20 { - compatible = "nxp,ptn3460"; - reg = <0x20>; - powerdown-gpio = <&gpy2 5 1 0 0>; - reset-gpio = <&gpx1 5 1 0 0>; - edid-emulation = <5>; - ports { - port@0 { - bridge_out: endpoint { - remote-endpoint = <&panel_in>; - }; - }; - }; - }; diff --git a/Documentation/devicetree/bindings/display/bridge/sii9234.txt b/Documentation/devicetree/bindings/display/bridge/sii9234.txt deleted file mode 100644 index a55bf77bd960..000000000000 --- a/Documentation/devicetree/bindings/display/bridge/sii9234.txt +++ /dev/null @@ -1,49 +0,0 @@ -Silicon Image SiI9234 HDMI/MHL bridge bindings - -Required properties: - - compatible : "sil,sii9234". - - reg : I2C address for TPI interface, use 0x39 - - avcc33-supply : MHL/USB Switch Supply Voltage (3.3V) - - iovcc18-supply : I/O Supply Voltage (1.8V) - - avcc12-supply : TMDS Analog Supply Voltage (1.2V) - - cvcc12-supply : Digital Core Supply Voltage (1.2V) - - interrupts: interrupt specifier of INT pin - - reset-gpios: gpio specifier of RESET pin (active low) - - video interfaces: Device node can contain two video interface port - nodes for HDMI encoder and connector according to [1]. - - port@0 - MHL to HDMI - - port@1 - MHL to connector - -[1]: Documentation/devicetree/bindings/media/video-interfaces.txt - - -Example: - sii9234@39 { - compatible = "sil,sii9234"; - reg = <0x39>; - avcc33-supply = <&vcc33mhl>; - iovcc18-supply = <&vcc18mhl>; - avcc12-supply = <&vsil12>; - cvcc12-supply = <&vsil12>; - reset-gpios = <&gpf3 4 GPIO_ACTIVE_LOW>; - interrupt-parent = <&gpf3>; - interrupts = <5 IRQ_TYPE_LEVEL_HIGH>; - - ports { - #address-cells = <1>; - #size-cells = <0>; - - port@0 { - reg = <0>; - mhl_to_hdmi: endpoint { - remote-endpoint = <&hdmi_to_mhl>; - }; - }; - port@1 { - reg = <1>; - mhl_to_connector: endpoint { - remote-endpoint = <&connector_to_mhl>; - }; - }; - }; - }; diff --git a/Documentation/devicetree/bindings/display/bridge/sil,sii9234.yaml b/Documentation/devicetree/bindings/display/bridge/sil,sii9234.yaml new file mode 100644 index 000000000000..f88ddfe4818b --- /dev/null +++ b/Documentation/devicetree/bindings/display/bridge/sil,sii9234.yaml @@ -0,0 +1,110 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/display/bridge/sil,sii9234.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Silicon Image SiI9234 HDMI/MHL bridge + +maintainers: + - Maciej Purski + +properties: + compatible: + const: sil,sii9234 + + reg: + description: I2C address for TPI interface + maxItems: 1 + + avcc12-supply: + description: TMDS Analog Supply Voltage, 1.2V + + avcc33-supply: + description: MHL/USB Switch Supply Voltage, 3.3V + + cvcc12-supply: + description: Digital Core Supply Voltage, 1.2V + + iovcc18-supply: + description: I/O voltage supply, 1.8V + + interrupts: + maxItems: 1 + + reset-gpios: + description: GPIO connected to the reset pin. + maxItems: 1 + + ports: + $ref: /schemas/graph.yaml#/properties/ports + + properties: + port@0: + $ref: /schemas/graph.yaml#/properties/port + description: + Video port for HDMI (encoder) input + + port@1: + $ref: /schemas/graph.yaml#/properties/port + description: + MHL to connector port + + required: + - port@0 + +required: + - compatible + - reg + - avcc12-supply + - avcc33-supply + - cvcc12-supply + - iovcc18-supply + - interrupts + - reset-gpios + - ports + +additionalProperties: false + +examples: + - | + #include + #include + + i2c1 { + #address-cells = <1>; + #size-cells = <0>; + + bridge@39 { + compatible = "sil,sii9234"; + reg = <0x39>; + avcc12-supply = <&vsil12>; + avcc33-supply = <&vcc33mhl>; + cvcc12-supply = <&vsil12>; + iovcc18-supply = <&vcc18mhl>; + interrupt-parent = <&gpf3>; + interrupts = <5 IRQ_TYPE_LEVEL_HIGH>; + reset-gpios = <&gpf3 4 GPIO_ACTIVE_LOW>; + + ports { + #address-cells = <1>; + #size-cells = <0>; + + port@0 { + reg = <0>; + mhl_to_hdmi: endpoint { + remote-endpoint = <&hdmi_to_mhl>; + }; + }; + + port@1 { + reg = <1>; + mhl_to_connector: endpoint { + remote-endpoint = <&connector_to_mhl>; + }; + }; + }; + }; + }; + +... diff --git a/Documentation/devicetree/bindings/display/panel/boe,bf060y8m-aj0.yaml b/Documentation/devicetree/bindings/display/panel/boe,bf060y8m-aj0.yaml new file mode 100644 index 000000000000..a8f3afa922c8 --- /dev/null +++ b/Documentation/devicetree/bindings/display/panel/boe,bf060y8m-aj0.yaml @@ -0,0 +1,81 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/display/panel/boe,bf060y8m-aj0.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: BOE BF060Y8M-AJ0 5.99" 1080x2160 AMOLED Panel + +maintainers: + - AngeloGioacchino Del Regno + +description: | + This is a 5.99" 1080x2160 16.7M Color active matrix AMOLED + video mode panel module on MIPI-DSI 4-Lane interface, GGRB + pixel arrangement, 63 micrometers pitch, with an active + area of 68.04 x 136.08 millimeters. + Each pixel is divided into red and green dots, or blue and + green dots, and two pixels share red or blue dots which are + arranged in vertical stripe. + The DriverIC for this panel module is SW43404. + +allOf: + - $ref: panel-common.yaml# + +properties: + compatible: + const: boe,bf060y8m-aj0 + + elvdd-supply: + description: EL Driving positive (VDD) supply (4.40-4.80V) + elvss-supply: + description: EL Driving negative (VSS) supply (-5.00V to -1.40V) + vcc-supply: + description: Core (TSP) voltage supply (2.70-3.60V) + vci-supply: + description: DriverIC Operation supply (2.60-3.60V) + vddio-supply: + description: I/O voltage supply (1.62-1.98V) + + port: true + reg: true + reset-gpios: true + +required: + - compatible + - elvdd-supply + - elvss-supply + - vcc-supply + - vci-supply + - vddio-supply + - reg + - reset-gpios + +additionalProperties: false + +examples: + - | + #include + + dsi { + #address-cells = <1>; + #size-cells = <0>; + panel@0 { + compatible = "boe,bf060y8m-aj0"; + reg = <0>; + + reset-gpios = <&tlmm 94 GPIO_ACTIVE_HIGH>; + + vcc-supply = <&disp_vcc_vreg>; + vddio-supply = <&disp_vddio_vreg>; + vci-supply = <&disp_vci_vreg>; + elvdd-supply = <&disp_elvdd_vreg>; + elvss-supply = <&disp_elvss_vreg>; + + port { + panel_in: endpoint { + remote-endpoint = <&dsi0_out>; + }; + }; + }; + }; diff --git a/Documentation/devicetree/bindings/display/panel/ilitek,ili9163.yaml b/Documentation/devicetree/bindings/display/panel/ilitek,ili9163.yaml new file mode 100644 index 000000000000..7e7a8362b951 --- /dev/null +++ b/Documentation/devicetree/bindings/display/panel/ilitek,ili9163.yaml @@ -0,0 +1,69 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/display/panel/ilitek,ili9163.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Ilitek ILI9163 display panels device tree bindings + +maintainers: + - Daniel Mack + +description: + This binding is for display panels using an Ilitek ILI9163 controller in SPI + mode. + +allOf: + - $ref: panel-common.yaml# + +properties: + compatible: + items: + - enum: + - newhaven,1.8-128160EF + - const: ilitek,ili9163 + + spi-max-frequency: + maximum: 32000000 + + dc-gpios: + maxItems: 1 + description: Display data/command selection (D/CX) + + backlight: true + reg: true + reset-gpios: true + rotation: true + +required: + - compatible + - reg + - dc-gpios + - reset-gpios + +additionalProperties: false + +examples: + - | + #include + + backlight: backlight { + compatible = "gpio-backlight"; + gpios = <&gpio 22 GPIO_ACTIVE_HIGH>; + }; + spi { + #address-cells = <1>; + #size-cells = <0>; + + display@0 { + compatible = "newhaven,1.8-128160EF", "ilitek,ili9163"; + reg = <0>; + spi-max-frequency = <32000000>; + dc-gpios = <&gpio0 24 GPIO_ACTIVE_HIGH>; + reset-gpios = <&gpio0 25 GPIO_ACTIVE_HIGH>; + rotation = <180>; + backlight = <&backlight>; + }; + }; + +... diff --git a/Documentation/devicetree/bindings/display/panel/ilitek,ili9881c.yaml b/Documentation/devicetree/bindings/display/panel/ilitek,ili9881c.yaml index b2fcec4f22fd..c5d1df680858 100644 --- a/Documentation/devicetree/bindings/display/panel/ilitek,ili9881c.yaml +++ b/Documentation/devicetree/bindings/display/panel/ilitek,ili9881c.yaml @@ -9,24 +9,28 @@ title: Ilitek ILI9881c based MIPI-DSI panels maintainers: - Maxime Ripard +allOf: + - $ref: panel-common.yaml# + properties: compatible: items: - enum: - bananapi,lhr050h41 - feixin,k101-im2byl02 + - wanchanglong,w552946aba - const: ilitek,ili9881c backlight: true power-supply: true reg: true reset-gpios: true + rotation: true required: - compatible - power-supply - reg - - reset-gpios additionalProperties: false diff --git a/Documentation/devicetree/bindings/display/panel/novatek,nt35950.yaml b/Documentation/devicetree/bindings/display/panel/novatek,nt35950.yaml new file mode 100644 index 000000000000..377a05d48a02 --- /dev/null +++ b/Documentation/devicetree/bindings/display/panel/novatek,nt35950.yaml @@ -0,0 +1,106 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/display/panel/novatek,nt35950.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Novatek NT35950-based display panels + +maintainers: + - AngeloGioacchino Del Regno + +description: | + The nt35950 IC from Novatek is a Driver IC used to drive MIPI-DSI panels, + with Static RAM for content retention in command mode and also supports + video mode with VESA Frame Buffer Compression or Display Stream Compression + on single, or dual dsi port(s). + This DDIC is also capable of upscaling an input image to the panel's native + resolution, for example it can upscale a 1920x1080 input to 3840x2160 with + either bilinear interpolation or pixel duplication. + +allOf: + - $ref: panel-common.yaml# + +properties: + compatible: + items: + - enum: + - sharp,ls055d1sx04 + - const: novatek,nt35950 + description: This indicates the panel manufacturer of the panel + that is in turn using the NT35950 panel driver. The compatible + string determines how the NT35950 panel driver shall be configured + to work with the indicated panel. The novatek,nt35950 compatible shall + always be provided as a fallback. + + reset-gpios: + maxItems: 1 + description: phandle of gpio for reset line - This should be 8mA, gpio + can be configured using mux, pinctrl, pinctrl-names (active high) + + avdd-supply: + description: positive boost supply regulator + avee-supply: + description: negative boost supply regulator + dvdd-supply: + description: regulator that supplies the digital voltage + vddio-supply: + description: regulator that supplies the I/O voltage + + backlight: true + ports: true + reg: true + +required: + - compatible + - reg + - reset-gpios + - avdd-supply + - avee-supply + - dvdd-supply + - vddio-supply + +additionalProperties: false + +examples: + - | + #include + + dsi0 { + #address-cells = <1>; + #size-cells = <0>; + + panel@0 { + compatible = "sharp,ls055d1sx04", "novatek,nt35950"; + reg = <0>; + + backlight = <&pmi8998_wled>; + reset-gpios = <&tlmm 94 GPIO_ACTIVE_HIGH>; + + avdd-supply = <&lab>; + avee-supply = <&ibb>; + dvdd-supply = <&disp_dvdd_vreg>; + vddio-supply = <&vreg_l14a_1p85>; + + ports { + #address-cells = <1>; + #size-cells = <0>; + + port@0 { + reg = <0>; + panel_in0: endpoint { + remote-endpoint = <&dsi0_out>; + }; + }; + + port@1 { + reg = <1>; + panel_in1: endpoint { + remote-endpoint = <&dsi1_out>; + }; + }; + }; + }; + }; + +... diff --git a/Documentation/devicetree/bindings/display/panel/panel-simple-dsi.yaml b/Documentation/devicetree/bindings/display/panel/panel-simple-dsi.yaml index fbd71669248f..2c00813f5d20 100644 --- a/Documentation/devicetree/bindings/display/panel/panel-simple-dsi.yaml +++ b/Documentation/devicetree/bindings/display/panel/panel-simple-dsi.yaml @@ -35,6 +35,8 @@ properties: - boe,tv080wum-nl0 # Innolux P079ZCA 7.85" 768x1024 TFT LCD panel - innolux,p079zca + # JDI FHD_R63452 1080x1920 5.2" IPS LCD Panel + - jdi,fhd-r63452 # Khadas TS050 5" 1080x1920 LCD panel - khadas,ts050 # Kingdisplay KD097D04 9.7" 1536x2048 TFT LCD panel diff --git a/Documentation/devicetree/bindings/display/panel/sony,tulip-truly-nt35521.yaml b/Documentation/devicetree/bindings/display/panel/sony,tulip-truly-nt35521.yaml new file mode 100644 index 000000000000..967972939598 --- /dev/null +++ b/Documentation/devicetree/bindings/display/panel/sony,tulip-truly-nt35521.yaml @@ -0,0 +1,72 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/display/panel/sony,tulip-truly-nt35521.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Sony Tulip Truly NT35521 5.24" 1280x720 MIPI-DSI Panel + +maintainers: + - Shawn Guo + +description: | + The Sony Tulip Truly NT35521 is a 5.24" 1280x720 MIPI-DSI panel, which + can be found no Sony Xperia M4 phone. The panel backlight is managed + through DSI link. + +allOf: + - $ref: panel-common.yaml# + +properties: + compatible: + const: sony,tulip-truly-nt35521 + + reg: true + + positive5-supply: + description: Positive 5V supply + + negative5-supply: + description: Negative 5V supply + + reset-gpios: true + + enable-gpios: true + + port: true + +required: + - compatible + - reg + - positive5-supply + - negative5-supply + - reset-gpios + - enable-gpios + - port + +additionalProperties: false + +examples: + - | + #include + + dsi { + #address-cells = <1>; + #size-cells = <0>; + + panel@0 { + compatible = "sony,tulip-truly-nt35521"; + reg = <0>; + positive5-supply = <&positive5_reg>; + negative5-supply = <&negative5_reg>; + reset-gpios = <&msmgpio 25 GPIO_ACTIVE_LOW>; + enable-gpios = <&msmgpio 10 GPIO_ACTIVE_HIGH>; + + port { + panel_in: endpoint { + remote-endpoint = <&dsi0_out>; + }; + }; + }; + }; +... diff --git a/Documentation/devicetree/bindings/vendor-prefixes.yaml b/Documentation/devicetree/bindings/vendor-prefixes.yaml index 66d6432fd781..7463870d0922 100644 --- a/Documentation/devicetree/bindings/vendor-prefixes.yaml +++ b/Documentation/devicetree/bindings/vendor-prefixes.yaml @@ -1328,6 +1328,8 @@ patternProperties: description: Wondermedia Technologies, Inc. "^wobo,.*": description: Wobo + "^wanchanglong,.*": + description: Wanchanglong Electronics Technology（SHENZHEN）Co.，Ltd. "^x-powers,.*": description: X-Powers "^xes,.*": diff --git a/Documentation/doc-guide/sphinx.rst b/Documentation/doc-guide/sphinx.rst index ec3e71f56009..e445cb146efe 100644 --- a/Documentation/doc-guide/sphinx.rst +++ b/Documentation/doc-guide/sphinx.rst @@ -27,7 +27,7 @@ Sphinx Install ============== The ReST markups currently used by the Documentation/ files are meant to be -built with ``Sphinx`` version 1.3 or higher. +built with ``Sphinx`` version 1.7 or higher. There's a script that checks for the Sphinx requirements. Please see :ref:`sphinx-pre-install` for further details. @@ -43,10 +43,6 @@ or ``virtualenv``, depending on how your distribution packaged Python 3. .. note:: - #) Sphinx versions below 1.5 don't work properly with Python's - docutils version 0.13.1 or higher. So, if you're willing to use - those versions, you should run ``pip install 'docutils==0.12'``. - #) It is recommended to use the RTD theme for html output. Depending on the Sphinx version, it should be installed separately, with ``pip install sphinx_rtd_theme``. @@ -55,13 +51,13 @@ or ``virtualenv``, depending on how your distribution packaged Python 3. those expressions are written using LaTeX notation. It needs texlive installed with amsfonts and amsmath in order to evaluate them. -In summary, if you want to install Sphinx version 1.7.9, you should do:: +In summary, if you want to install Sphinx version 2.4.4, you should do:: - $ virtualenv sphinx_1.7.9 - $ . sphinx_1.7.9/bin/activate - (sphinx_1.7.9) $ pip install -r Documentation/sphinx/requirements.txt + $ virtualenv sphinx_2.4.4 + $ . sphinx_2.4.4/bin/activate + (sphinx_2.4.4) $ pip install -r Documentation/sphinx/requirements.txt -After running ``. sphinx_1.7.9/bin/activate``, the prompt will change, +After running ``. sphinx_2.4.4/bin/activate``, the prompt will change, in order to indicate that you're using the new environment. If you open a new shell, you need to rerun this command to enter again at the virtual environment before building the documentation. @@ -81,7 +77,7 @@ output. PDF and LaTeX builds -------------------- -Such builds are currently supported only with Sphinx versions 1.4 and higher. +Such builds are currently supported only with Sphinx versions 2.4 and higher. For PDF and LaTeX output, you'll also need ``XeLaTeX`` version 3.14159265. @@ -104,8 +100,8 @@ command line options for your distro:: You should run: sudo dnf install -y texlive-luatex85 - /usr/bin/virtualenv sphinx_1.7.9 - . sphinx_1.7.9/bin/activate + /usr/bin/virtualenv sphinx_2.4.4 + . sphinx_2.4.4/bin/activate pip install -r Documentation/sphinx/requirements.txt Can't build as 1 mandatory dependency is missing at ./scripts/sphinx-pre-install line 468. diff --git a/Documentation/filesystems/autofs.rst b/Documentation/filesystems/autofs.rst index 681c6a492bc0..4f490278d22f 100644 --- a/Documentation/filesystems/autofs.rst +++ b/Documentation/filesystems/autofs.rst @@ -35,7 +35,7 @@ This document describes only the kernel module and the interactions required with any user-space program. Subsequent text refers to this as the "automount daemon" or simply "the daemon". -"autofs" is a Linux kernel module with provides the "autofs" +"autofs" is a Linux kernel module which provides the "autofs" filesystem type. Several "autofs" filesystems can be mounted and they can each be managed separately, or all managed by the same daemon. diff --git a/Documentation/gpu/drm-kms-helpers.rst b/Documentation/gpu/drm-kms-helpers.rst index ec2f65b31930..5bb55ec1b9b5 100644 --- a/Documentation/gpu/drm-kms-helpers.rst +++ b/Documentation/gpu/drm-kms-helpers.rst @@ -435,3 +435,18 @@ Legacy CRTC/Modeset Helper Functions Reference .. kernel-doc:: drivers/gpu/drm/drm_crtc_helper.c :export: + +Privacy-screen class +==================== + +.. kernel-doc:: drivers/gpu/drm/drm_privacy_screen.c + :doc: overview + +.. kernel-doc:: include/drm/drm_privacy_screen_driver.h + :internal: + +.. kernel-doc:: include/drm/drm_privacy_screen_machine.h + :internal: + +.. kernel-doc:: drivers/gpu/drm/drm_privacy_screen.c + :export: diff --git a/Documentation/gpu/drm-kms.rst b/Documentation/gpu/drm-kms.rst index 1ef7951ded5e..d14bf1c35d7e 100644 --- a/Documentation/gpu/drm-kms.rst +++ b/Documentation/gpu/drm-kms.rst @@ -506,6 +506,8 @@ Property Types and Blob Property Support .. kernel-doc:: drivers/gpu/drm/drm_property.c :export: +.. _standard_connector_properties: + Standard Connector Properties ----------------------------- diff --git a/Documentation/gpu/todo.rst b/Documentation/gpu/todo.rst index 60d1d7ee0719..f504d363fef5 100644 --- a/Documentation/gpu/todo.rst +++ b/Documentation/gpu/todo.rst @@ -268,17 +268,6 @@ Contact: Daniel Vetter Level: Intermediate -Clean up mmap forwarding ------------------------- - -A lot of drivers forward gem mmap calls to dma-buf mmap for imported buffers. -And also a lot of them forward dma-buf mmap to the gem mmap implementations. -There's drm_gem_prime_mmap() for this now, but still needs to be rolled out. - -Contact: Daniel Vetter - -Level: Intermediate - Generic fbdev defio support --------------------------- @@ -463,6 +452,21 @@ Contact: Thomas Zimmermann , Christian König, Daniel Vette Level: Intermediate +Review all drivers for setting struct drm_mode_config.{max_width,max_height} correctly +-------------------------------------------------------------------------------------- + +The values in struct drm_mode_config.{max_width,max_height} describe the +maximum supported framebuffer size. It's the virtual screen size, but many +drivers treat it like limitations of the physical resolution. + +The maximum width depends on the hardware's maximum scanline pitch. The +maximum height depends on the amount of addressable video memory. Review all +drivers to initialize the fields to the correct values. + +Contact: Thomas Zimmermann + +Level: Intermediate + Core refactorings ================= diff --git a/Documentation/power/energy-model.rst b/Documentation/power/energy-model.rst index 8a2788afe89b..5ac62a7b4b7c 100644 --- a/Documentation/power/energy-model.rst +++ b/Documentation/power/energy-model.rst @@ -84,6 +84,16 @@ CONFIG_ENERGY_MODEL must be enabled to use the EM framework. 2.2 Registration of performance domains ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ +Registration of 'advanced' EM +~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + +The 'advanced' EM gets it's name due to the fact that the driver is allowed +to provide more precised power model. It's not limited to some implemented math +formula in the framework (like it's in 'simple' EM case). It can better reflect +the real power measurements performed for each performance state. Thus, this +registration method should be preferred in case considering EM static power +(leakage) is important. + Drivers are expected to register performance domains into the EM framework by calling the following API:: @@ -103,6 +113,18 @@ to: return warning/error, stop working or panic. See Section 3. for an example of driver implementing this callback, or Section 2.4 for further documentation on this API +Registration of 'simple' EM +~~~~~~~~~~~~~~~~~~~~~~~~~~~ + +The 'simple' EM is registered using the framework helper function +cpufreq_register_em_with_opp(). It implements a power model which is tight to +math formula:: + + Power = C * V^2 * f + +The EM which is registered using this method might not reflect correctly the +physics of a real device, e.g. when static power (leakage) is important. + 2.3 Accessing performance domains ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ @@ -138,6 +160,10 @@ or in Section 2.4 3. Example driver ----------------- +The CPUFreq framework supports dedicated callback for registering +the EM for a given CPU(s) 'policy' object: cpufreq_driver::register_em(). +That callback has to be implemented properly for a given driver, +because the framework would call it at the right time during setup. This section provides a simple example of a CPUFreq driver registering a performance domain in the Energy Model framework using the (fake) 'foo' protocol. The driver implements an est_power() function to be provided to the @@ -167,25 +193,22 @@ EM framework:: 20 return 0; 21 } 22 - 23 static int foo_cpufreq_init(struct cpufreq_policy *policy) + 23 static void foo_cpufreq_register_em(struct cpufreq_policy *policy) 24 { 25 struct em_data_callback em_cb = EM_DATA_CB(est_power); 26 struct device *cpu_dev; - 27 int nr_opp, ret; + 27 int nr_opp; 28 29 cpu_dev = get_cpu_device(cpumask_first(policy->cpus)); 30 - 31 /* Do the actual CPUFreq init work ... */ - 32 ret = do_foo_cpufreq_init(policy); - 33 if (ret) - 34 return ret; - 35 - 36 /* Find the number of OPPs for this policy */ - 37 nr_opp = foo_get_nr_opp(policy); + 31 /* Find the number of OPPs for this policy */ + 32 nr_opp = foo_get_nr_opp(policy); + 33 + 34 /* And register the new performance domain */ + 35 em_dev_register_perf_domain(cpu_dev, nr_opp, &em_cb, policy->cpus, + 36 true); + 37 } 38 - 39 /* And register the new performance domain */ - 40 em_dev_register_perf_domain(cpu_dev, nr_opp, &em_cb, policy->cpus, - 41 true); - 42 - 43 return 0; - 44 } + 39 static struct cpufreq_driver foo_cpufreq_driver = { + 40 .register_em = foo_cpufreq_register_em, + 41 }; diff --git a/Documentation/process/changes.rst b/Documentation/process/changes.rst index e35ab74a0f80..b398b8576417 100644 --- a/Documentation/process/changes.rst +++ b/Documentation/process/changes.rst @@ -54,7 +54,7 @@ mcelog 0.6 mcelog --version iptables 1.4.2 iptables -V openssl & libcrypto 1.0.0 openssl version bc 1.06.95 bc --version -Sphinx\ [#f1]_ 1.3 sphinx-build --version +Sphinx\ [#f1]_ 1.7 sphinx-build --version ====================== =============== ======================================== .. [#f1] Sphinx is needed only to build the Kernel documentation diff --git a/Documentation/process/submitting-patches.rst b/Documentation/process/submitting-patches.rst index a0cc96923ea7..da085d63af9b 100644 --- a/Documentation/process/submitting-patches.rst +++ b/Documentation/process/submitting-patches.rst @@ -22,8 +22,8 @@ use it, it will make your life as a kernel developer and in general much easier. Some subsystems and maintainer trees have additional information about -their workflow and expectations, see :ref:`Documentation/process/maintainer -handbooks `. +their workflow and expectations, see +:ref:`Documentation/process/maintainer-handbooks.rst `. Obtain a current source tree ---------------------------- diff --git a/Documentation/trace/ftrace.rst b/Documentation/trace/ftrace.rst index 4e5b26f03d5b..b3166c4a7867 100644 --- a/Documentation/trace/ftrace.rst +++ b/Documentation/trace/ftrace.rst @@ -2442,11 +2442,10 @@ Or this simple script! #!/bin/bash tracefs=`sed -ne 's/^tracefs \(.*\) tracefs.*/\1/p' /proc/mounts` - echo nop > $tracefs/tracing/current_tracer - echo 0 > $tracefs/tracing/tracing_on - echo $$ > $tracefs/tracing/set_ftrace_pid - echo function > $tracefs/tracing/current_tracer - echo 1 > $tracefs/tracing/tracing_on + echo 0 > $tracefs/tracing_on + echo $$ > $tracefs/set_ftrace_pid + echo function > $tracefs/current_tracer + echo 1 > $tracefs/tracing_on exec "$@" diff --git a/Documentation/translations/it_IT/doc-guide/sphinx.rst b/Documentation/translations/it_IT/doc-guide/sphinx.rst index 0046d75d9a70..9762452c584c 100644 --- a/Documentation/translations/it_IT/doc-guide/sphinx.rst +++ b/Documentation/translations/it_IT/doc-guide/sphinx.rst @@ -35,7 +35,7 @@ Installazione Sphinx ==================== I marcatori ReST utilizzati nei file in Documentation/ sono pensati per essere -processati da ``Sphinx`` nella versione 1.3 o superiore. +processati da ``Sphinx`` nella versione 1.7 o superiore. Esiste uno script che verifica i requisiti Sphinx. Per ulteriori dettagli consultate :ref:`it_sphinx-pre-install`. @@ -53,11 +53,6 @@ pacchettizzato dalla vostra distribuzione. .. note:: - #) Le versioni di Sphinx inferiori alla 1.5 non funzionano bene - con il pacchetto Python docutils versione 0.13.1 o superiore. - Se volete usare queste versioni, allora dovere eseguire - ``pip install 'docutils==0.12'``. - #) Viene raccomandato l'uso del tema RTD per la documentazione in HTML. A seconda della versione di Sphinx, potrebbe essere necessaria l'installazione tramite il comando ``pip install sphinx_rtd_theme``. @@ -67,13 +62,13 @@ pacchettizzato dalla vostra distribuzione. utilizzando LaTeX. Per una corretta interpretazione, è necessario aver installato texlive con i pacchetti amdfonts e amsmath. -Riassumendo, se volete installare la versione 1.7.9 di Sphinx dovete eseguire:: +Riassumendo, se volete installare la versione 2.4.4 di Sphinx dovete eseguire:: - $ virtualenv sphinx_1.7.9 - $ . sphinx_1.7.9/bin/activate - (sphinx_1.7.9) $ pip install -r Documentation/sphinx/requirements.txt + $ virtualenv sphinx_2.4.4 + $ . sphinx_2.4.4/bin/activate + (sphinx_2.4.4) $ pip install -r Documentation/sphinx/requirements.txt -Dopo aver eseguito ``. sphinx_1.7.9/bin/activate``, il prompt cambierà per +Dopo aver eseguito ``. sphinx_2.4.4/bin/activate``, il prompt cambierà per indicare che state usando il nuovo ambiente. Se aprite un nuova sessione, prima di generare la documentazione, dovrete rieseguire questo comando per rientrare nell'ambiente virtuale. @@ -94,7 +89,7 @@ Generazione in PDF e LaTeX -------------------------- Al momento, la generazione di questi documenti è supportata solo dalle -versioni di Sphinx superiori alla 1.4. +versioni di Sphinx superiori alla 2.4. Per la generazione di PDF e LaTeX, avrete bisogno anche del pacchetto ``XeLaTeX`` nella versione 3.14159265 @@ -119,8 +114,8 @@ l'installazione:: You should run: sudo dnf install -y texlive-luatex85 - /usr/bin/virtualenv sphinx_1.7.9 - . sphinx_1.7.9/bin/activate + /usr/bin/virtualenv sphinx_2.4.4 + . sphinx_2.4.4/bin/activate pip install -r Documentation/sphinx/requirements.txt Can't build as 1 mandatory dependency is missing at ./scripts/sphinx-pre-install line 468. diff --git a/Documentation/translations/it_IT/process/changes.rst b/Documentation/translations/it_IT/process/changes.rst index 87d081889bfc..dc7193377b7f 100644 --- a/Documentation/translations/it_IT/process/changes.rst +++ b/Documentation/translations/it_IT/process/changes.rst @@ -57,7 +57,7 @@ mcelog 0.6 mcelog --version iptables 1.4.2 iptables -V openssl & libcrypto 1.0.0 openssl version bc 1.06.95 bc --version -Sphinx\ [#f1]_ 1.3 sphinx-build --version +Sphinx\ [#f1]_ 1.7 sphinx-build --version ====================== ================= ======================================== .. [#f1] Sphinx è necessario solo per produrre la documentazione del Kernel diff --git a/Documentation/translations/zh_CN/doc-guide/sphinx.rst b/Documentation/translations/zh_CN/doc-guide/sphinx.rst index 951595c7d599..23eac67fbc30 100644 --- a/Documentation/translations/zh_CN/doc-guide/sphinx.rst +++ b/Documentation/translations/zh_CN/doc-guide/sphinx.rst @@ -26,7 +26,7 @@ reStructuredText文件可能包含包含来自源文件的结构化文档注释 安装Sphinx ========== -Documentation/ 下的ReST文件现在使用sphinx1.3或更高版本构建。 +Documentation/ 下的ReST文件现在使用sphinx1.7或更高版本构建。 这有一个脚本可以检查Sphinx的依赖项。更多详细信息见 :ref:`sphinx-pre-install_zh` 。 @@ -40,22 +40,19 @@ Documentation/ 下的ReST文件现在使用sphinx1.3或更高版本构建。 .. note:: - #) 低于1.5版本的Sphinx无法与Python的0.13.1或更高版本docutils一起正常工作。 - 如果您想使用这些版本，那么应该运行 ``pip install 'docutils==0.12'`` 。 - #) html输出建议使用RTD主题。根据Sphinx版本的不同，它应该用 ``pip install sphinx_rtd_theme`` 单独安装。 #) 一些ReST页面包含数学表达式。由于Sphinx的工作方式，这些表达式是使用 LaTeX 编写的。它需要安装amsfonts和amsmath宏包，以便显示。 -总之，如您要安装Sphinx 1.7.9版本，应执行:: +总之，如您要安装Sphinx 2.4.4版本，应执行:: - $ virtualenv sphinx_1.7.9 - $ . sphinx_1.7.9/bin/activate - (sphinx_1.7.9) $ pip install -r Documentation/sphinx/requirements.txt + $ virtualenv sphinx_2.4.4 + $ . sphinx_2.4.4/bin/activate + (sphinx_2.4.4) $ pip install -r Documentation/sphinx/requirements.txt -在运行 ``. sphinx_1.7.9/bin/activate`` 之后，提示符将变化，以指示您正在使用新 +在运行 ``. sphinx_2.4.4/bin/activate`` 之后，提示符将变化，以指示您正在使用新 环境。如果您打开了一个新的shell，那么在构建文档之前，您需要重新运行此命令以再 次进入虚拟环境中。 @@ -71,7 +68,7 @@ Documentation/ 下的ReST文件现在使用sphinx1.3或更高版本构建。 PDF和LaTeX构建 -------------- -目前只有Sphinx 1.4及更高版本才支持这种构建。 +目前只有Sphinx 2.4及更高版本才支持这种构建。 对于PDF和LaTeX输出，还需要 ``XeLaTeX`` 3.14159265版本。（译注：此版本号真实 存在） @@ -93,8 +90,8 @@ PDF和LaTeX构建 You should run: sudo dnf install -y texlive-luatex85 - /usr/bin/virtualenv sphinx_1.7.9 - . sphinx_1.7.9/bin/activate + /usr/bin/virtualenv sphinx_2.4.4 + . sphinx_2.4.4/bin/activate pip install -r Documentation/sphinx/requirements.txt Can't build as 1 mandatory dependency is missing at ./scripts/sphinx-pre-install line 468. diff --git a/Documentation/translations/zh_CN/process/management-style.rst b/Documentation/translations/zh_CN/process/management-style.rst index c6a5bb285797..8053ae474328 100644 --- a/Documentation/translations/zh_CN/process/management-style.rst +++ b/Documentation/translations/zh_CN/process/management-style.rst @@ -36,14 +36,14 @@ Linux内核管理风格 每个人都认为管理者做决定，而且决策很重要。决定越大越痛苦，管理者就必须越高级。 这很明显，但事实并非如此。 -游戏的名字是 **避免** 做出决定。尤其是，如果有人告诉你“选择（a）或（b）， +最重要的是 **避免** 做出决定。尤其是，如果有人告诉你“选择（a）或（b）， 我们真的需要你来做决定”，你就是陷入麻烦的管理者。你管理的人比你更了解细节， 所以如果他们来找你做技术决策，你完蛋了。你显然没有能力为他们做这个决定。 （推论：如果你管理的人不比你更了解细节，你也会被搞砸，尽管原因完全不同。 也就是说，你的工作是错的，他们应该管理你的才智） -所以游戏的名字是 **避免** 做出决定，至少是那些大而痛苦的决定。做一些小的 +所以最重要的是 **避免** 做出决定，至少是那些大而痛苦的决定。做一些小的 和非结果性的决定是很好的，并且使您看起来好像知道自己在做什么，所以内核管理者 需要做的是将那些大的和痛苦的决定变成那些没有人真正关心的小事情。 diff --git a/MAINTAINERS b/MAINTAINERS index 73371f037b3e..540f4be2ef74 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -3733,7 +3733,7 @@ F: drivers/scsi/bnx2i/ BROADCOM BNX2X 10 GIGABIT ETHERNET DRIVER M: Ariel Elior M: Sudarsana Kalluru -M: GR-everest-linux-l2@marvell.com +M: Manish Chopra L: netdev@vger.kernel.org S: Supported F: drivers/net/ethernet/broadcom/bnx2x/ @@ -6064,10 +6064,17 @@ F: drivers/gpu/drm/panel/panel-novatek-nt36672a.c DRM DRIVER FOR NVIDIA GEFORCE/QUADRO GPUS M: Ben Skeggs +M: Karol Herbst +M: Lyude Paul L: dri-devel@lists.freedesktop.org L: nouveau@lists.freedesktop.org S: Supported -T: git git://github.com/skeggsb/linux +W: https://nouveau.freedesktop.org/ +Q: https://patchwork.freedesktop.org/project/nouveau/ +Q: https://gitlab.freedesktop.org/drm/nouveau/-/merge_requests +B: https://gitlab.freedesktop.org/drm/nouveau/-/issues +C: irc://irc.oftc.net/nouveau +T: git https://gitlab.freedesktop.org/drm/nouveau.git F: drivers/gpu/drm/nouveau/ F: include/uapi/drm/nouveau_drm.h @@ -6525,6 +6532,14 @@ F: drivers/gpu/drm/drm_panel.c F: drivers/gpu/drm/panel/ F: include/drm/drm_panel.h +DRM PRIVACY-SCREEN CLASS +M: Hans de Goede +L: dri-devel@lists.freedesktop.org +S: Maintained +T: git git://anongit.freedesktop.org/drm/drm-misc +F: drivers/gpu/drm/drm_privacy_screen* +F: include/drm/drm_privacy_screen* + DRM TTM SUBSYSTEM M: Christian Koenig M: Huang Rui @@ -10446,7 +10461,7 @@ F: arch/riscv/include/uapi/asm/kvm* F: arch/riscv/kvm/ KERNEL VIRTUAL MACHINE for s390 (KVM/s390) -M: Christian Borntraeger +M: Christian Borntraeger M: Janosch Frank R: David Hildenbrand R: Claudio Imbrenda @@ -15594,7 +15609,7 @@ F: drivers/scsi/qedi/ QLOGIC QL4xxx ETHERNET DRIVER M: Ariel Elior -M: GR-everest-linux-l2@marvell.com +M: Manish Chopra L: netdev@vger.kernel.org S: Supported F: drivers/net/ethernet/qlogic/qed/ @@ -16574,7 +16589,7 @@ F: drivers/video/fbdev/savage/ S390 M: Heiko Carstens M: Vasily Gorbik -M: Christian Borntraeger +M: Christian Borntraeger R: Alexander Gordeev L: linux-s390@vger.kernel.org S: Supported @@ -20168,6 +20183,8 @@ F: include/uapi/linux/virtio_gpio.h VIRTIO GPU DRIVER M: David Airlie M: Gerd Hoffmann +R: Gurchetan Singh +R: Chia-I Wu L: dri-devel@lists.freedesktop.org L: virtualization@lists.linux-foundation.org S: Maintained @@ -20318,7 +20335,8 @@ F: arch/x86/include/asm/vmware.h F: arch/x86/kernel/cpu/vmware.c VMWARE PVRDMA DRIVER -M: Adit Ranadive +M: Bryan Tan +M: Vishnu Dasa M: VMware PV-Drivers L: linux-rdma@vger.kernel.org S: Maintained diff --git a/Makefile b/Makefile index 9e12c14ea0fb..daf95a574b08 100644 --- a/Makefile +++ b/Makefile @@ -2,7 +2,7 @@ VERSION = 5 PATCHLEVEL = 16 SUBLEVEL = 0 -EXTRAVERSION = -rc1 +EXTRAVERSION = -rc2 NAME = Trick or Treat # *DOCUMENTATION* diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index f0f9e8bec83a..c2724d986fa0 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -1463,6 +1463,7 @@ config HIGHMEM bool "High Memory Support" depends on MMU select KMAP_LOCAL + select KMAP_LOCAL_NON_LINEAR_PTE_ARRAY help The address space of ARM processors is only 4 Gigabytes large and it has to accommodate user address space, kernel address diff --git a/arch/arm64/kvm/arm.c b/arch/arm64/kvm/arm.c index 2f03cbfefe67..e4727dc771bf 100644 --- a/arch/arm64/kvm/arm.c +++ b/arch/arm64/kvm/arm.c @@ -223,7 +223,14 @@ int kvm_vm_ioctl_check_extension(struct kvm *kvm, long ext) r = 1; break; case KVM_CAP_NR_VCPUS: - r = num_online_cpus(); + /* + * ARM64 treats KVM_CAP_NR_CPUS differently from all other + * architectures, as it does not always bound it to + * KVM_CAP_MAX_VCPUS. It should not matter much because + * this is just an advisory value. + */ + r = min_t(unsigned int, num_online_cpus(), + kvm_arm_default_max_vcpus()); break; case KVM_CAP_MAX_VCPUS: case KVM_CAP_MAX_VCPU_ID: diff --git a/arch/hexagon/include/asm/timer-regs.h b/arch/hexagon/include/asm/timer-regs.h deleted file mode 100644 index ee6c61423a05..000000000000 --- a/arch/hexagon/include/asm/timer-regs.h +++ /dev/null @@ -1,26 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0-only */ -/* - * Timer support for Hexagon - * - * Copyright (c) 2010-2011, The Linux Foundation. All rights reserved. - */ - -#ifndef _ASM_TIMER_REGS_H -#define _ASM_TIMER_REGS_H - -/* This stuff should go into a platform specific file */ -#define TCX0_CLK_RATE 19200 -#define TIMER_ENABLE 0 -#define TIMER_CLR_ON_MATCH 1 - -/* - * 8x50 HDD Specs 5-8. Simulator co-sim not fixed until - * release 1.1, and then it's "adjustable" and probably not defaulted. - */ -#define RTOS_TIMER_INT 3 -#ifdef CONFIG_HEXAGON_COMET -#define RTOS_TIMER_REGS_ADDR 0xAB000000UL -#endif -#define SLEEP_CLK_RATE 32000 - -#endif diff --git a/arch/hexagon/include/asm/timex.h b/arch/hexagon/include/asm/timex.h index 8d4ec76fceb4..dfe69e118b2b 100644 --- a/arch/hexagon/include/asm/timex.h +++ b/arch/hexagon/include/asm/timex.h @@ -7,11 +7,10 @@ #define _ASM_TIMEX_H #include -#include #include /* Using TCX0 as our clock. CLOCK_TICK_RATE scheduled to be removed. */ -#define CLOCK_TICK_RATE TCX0_CLK_RATE +#define CLOCK_TICK_RATE 19200 #define ARCH_HAS_READ_CURRENT_TIMER diff --git a/arch/hexagon/kernel/.gitignore b/arch/hexagon/kernel/.gitignore new file mode 100644 index 000000000000..c5f676c3c224 --- /dev/null +++ b/arch/hexagon/kernel/.gitignore @@ -0,0 +1 @@ +vmlinux.lds diff --git a/arch/hexagon/kernel/time.c b/arch/hexagon/kernel/time.c index feffe527ac92..febc95714d75 100644 --- a/arch/hexagon/kernel/time.c +++ b/arch/hexagon/kernel/time.c @@ -17,9 +17,10 @@ #include #include -#include #include +#define TIMER_ENABLE BIT(0) + /* * For the clocksource we need: * pcycle frequency (600MHz) @@ -33,6 +34,13 @@ cycles_t pcycle_freq_mhz; cycles_t thread_freq_mhz; cycles_t sleep_clk_freq; +/* + * 8x50 HDD Specs 5-8. Simulator co-sim not fixed until + * release 1.1, and then it's "adjustable" and probably not defaulted. + */ +#define RTOS_TIMER_INT 3 +#define RTOS_TIMER_REGS_ADDR 0xAB000000UL + static struct resource rtos_timer_resources[] = { { .start = RTOS_TIMER_REGS_ADDR, @@ -80,7 +88,7 @@ static int set_next_event(unsigned long delta, struct clock_event_device *evt) iowrite32(0, &rtos_timer->clear); iowrite32(delta, &rtos_timer->match); - iowrite32(1 << TIMER_ENABLE, &rtos_timer->enable); + iowrite32(TIMER_ENABLE, &rtos_timer->enable); return 0; } diff --git a/arch/hexagon/lib/io.c b/arch/hexagon/lib/io.c index d35d69d6588c..55f75392857b 100644 --- a/arch/hexagon/lib/io.c +++ b/arch/hexagon/lib/io.c @@ -27,6 +27,7 @@ void __raw_readsw(const void __iomem *addr, void *data, int len) *dst++ = *src; } +EXPORT_SYMBOL(__raw_readsw); /* * __raw_writesw - read words a short at a time @@ -47,6 +48,7 @@ void __raw_writesw(void __iomem *addr, const void *data, int len) } +EXPORT_SYMBOL(__raw_writesw); /* Pretty sure len is pre-adjusted for the length of the access already */ void __raw_readsl(const void __iomem *addr, void *data, int len) @@ -62,6 +64,7 @@ void __raw_readsl(const void __iomem *addr, void *data, int len) } +EXPORT_SYMBOL(__raw_readsl); void __raw_writesl(void __iomem *addr, const void *data, int len) { @@ -76,3 +79,4 @@ void __raw_writesl(void __iomem *addr, const void *data, int len) } +EXPORT_SYMBOL(__raw_writesl); diff --git a/arch/m68k/kernel/traps.c b/arch/m68k/kernel/traps.c index 99058a6da956..34d6458340b0 100644 --- a/arch/m68k/kernel/traps.c +++ b/arch/m68k/kernel/traps.c @@ -1145,7 +1145,7 @@ asmlinkage void set_esp0(unsigned long ssp) */ asmlinkage void fpsp040_die(void) { - force_fatal_sig(SIGSEGV); + force_exit_sig(SIGSEGV); } #ifdef CONFIG_M68KFPU_EMU diff --git a/arch/mips/bcm63xx/clk.c b/arch/mips/bcm63xx/clk.c index 5a3e325275d0..1c91064cb448 100644 --- a/arch/mips/bcm63xx/clk.c +++ b/arch/mips/bcm63xx/clk.c @@ -381,6 +381,12 @@ void clk_disable(struct clk *clk) EXPORT_SYMBOL(clk_disable); +struct clk *clk_get_parent(struct clk *clk) +{ + return NULL; +} +EXPORT_SYMBOL(clk_get_parent); + unsigned long clk_get_rate(struct clk *clk) { if (!clk) diff --git a/arch/mips/generic/yamon-dt.c b/arch/mips/generic/yamon-dt.c index a3aa22c77cad..a07a5edbcda7 100644 --- a/arch/mips/generic/yamon-dt.c +++ b/arch/mips/generic/yamon-dt.c @@ -75,7 +75,7 @@ static unsigned int __init gen_fdt_mem_array( __init int yamon_dt_append_memory(void *fdt, const struct yamon_mem_region *regions) { - unsigned long phys_memsize, memsize; + unsigned long phys_memsize = 0, memsize; __be32 mem_array[2 * MAX_MEM_ARRAY_ENTRIES]; unsigned int mem_entries; int i, err, mem_off; diff --git a/arch/mips/kernel/syscalls/syscall_n32.tbl b/arch/mips/kernel/syscalls/syscall_n32.tbl index 70e32de2bcaa..72d02d363f36 100644 --- a/arch/mips/kernel/syscalls/syscall_n32.tbl +++ b/arch/mips/kernel/syscalls/syscall_n32.tbl @@ -387,3 +387,4 @@ 446 n32 landlock_restrict_self sys_landlock_restrict_self # 447 reserved for memfd_secret 448 n32 process_mrelease sys_process_mrelease +449 n32 futex_waitv sys_futex_waitv diff --git a/arch/mips/kernel/syscalls/syscall_n64.tbl b/arch/mips/kernel/syscalls/syscall_n64.tbl index 1ca7bc337932..e2c481fcede6 100644 --- a/arch/mips/kernel/syscalls/syscall_n64.tbl +++ b/arch/mips/kernel/syscalls/syscall_n64.tbl @@ -363,3 +363,4 @@ 446 n64 landlock_restrict_self sys_landlock_restrict_self # 447 reserved for memfd_secret 448 n64 process_mrelease sys_process_mrelease +449 n64 futex_waitv sys_futex_waitv diff --git a/arch/mips/kernel/syscalls/syscall_o32.tbl b/arch/mips/kernel/syscalls/syscall_o32.tbl index a61c35edaa74..3714c97b2643 100644 --- a/arch/mips/kernel/syscalls/syscall_o32.tbl +++ b/arch/mips/kernel/syscalls/syscall_o32.tbl @@ -436,3 +436,4 @@ 446 o32 landlock_restrict_self sys_landlock_restrict_self # 447 reserved for memfd_secret 448 o32 process_mrelease sys_process_mrelease +449 o32 futex_waitv sys_futex_waitv diff --git a/arch/mips/kvm/mips.c b/arch/mips/kvm/mips.c index 562aa878b266..aa20d074d388 100644 --- a/arch/mips/kvm/mips.c +++ b/arch/mips/kvm/mips.c @@ -1067,7 +1067,7 @@ int kvm_vm_ioctl_check_extension(struct kvm *kvm, long ext) r = 1; break; case KVM_CAP_NR_VCPUS: - r = num_online_cpus(); + r = min_t(unsigned int, num_online_cpus(), KVM_MAX_VCPUS); break; case KVM_CAP_MAX_VCPUS: r = KVM_MAX_VCPUS; diff --git a/arch/mips/lantiq/clk.c b/arch/mips/lantiq/clk.c index dd819e31fcbb..4916cccf378f 100644 --- a/arch/mips/lantiq/clk.c +++ b/arch/mips/lantiq/clk.c @@ -158,6 +158,12 @@ void clk_deactivate(struct clk *clk) } EXPORT_SYMBOL(clk_deactivate); +struct clk *clk_get_parent(struct clk *clk) +{ + return NULL; +} +EXPORT_SYMBOL(clk_get_parent); + static inline u32 get_counter_resolution(void) { u32 res; diff --git a/arch/parisc/configs/generic-32bit_defconfig b/arch/parisc/configs/generic-32bit_defconfig index d6fd8fa7ed8c..53061cb2cf7f 100644 --- a/arch/parisc/configs/generic-32bit_defconfig +++ b/arch/parisc/configs/generic-32bit_defconfig @@ -231,6 +231,7 @@ CONFIG_CRYPTO_DEFLATE=y CONFIG_CRC_CCITT=m CONFIG_CRC_T10DIF=y CONFIG_FONTS=y +CONFIG_PRINTK_TIME=y CONFIG_MAGIC_SYSRQ=y CONFIG_DEBUG_FS=y CONFIG_DEBUG_MEMORY_INIT=y diff --git a/arch/parisc/include/asm/assembly.h b/arch/parisc/include/asm/assembly.h index 7085df079702..39e7985086f9 100644 --- a/arch/parisc/include/asm/assembly.h +++ b/arch/parisc/include/asm/assembly.h @@ -3,38 +3,19 @@ * Copyright (C) 1999 Hewlett-Packard (Frank Rowand) * Copyright (C) 1999 Philipp Rumpf * Copyright (C) 1999 SuSE GmbH + * Copyright (C) 2021 Helge Deller */ #ifndef _PARISC_ASSEMBLY_H #define _PARISC_ASSEMBLY_H -#define CALLEE_FLOAT_FRAME_SIZE 80 - #ifdef CONFIG_64BIT -#define LDREG ldd -#define STREG std -#define LDREGX ldd,s -#define LDREGM ldd,mb -#define STREGM std,ma -#define SHRREG shrd -#define SHLREG shld -#define ANDCM andcm,* -#define COND(x) * ## x #define RP_OFFSET 16 #define FRAME_SIZE 128 #define CALLEE_REG_FRAME_SIZE 144 #define REG_SZ 8 #define ASM_ULONG_INSN .dword #else /* CONFIG_64BIT */ -#define LDREG ldw -#define STREG stw -#define LDREGX ldwx,s -#define LDREGM ldwm -#define STREGM stwm -#define SHRREG shr -#define SHLREG shlw -#define ANDCM andcm -#define COND(x) x #define RP_OFFSET 20 #define FRAME_SIZE 64 #define CALLEE_REG_FRAME_SIZE 128 @@ -45,6 +26,7 @@ /* Frame alignment for 32- and 64-bit */ #define FRAME_ALIGN 64 +#define CALLEE_FLOAT_FRAME_SIZE 80 #define CALLEE_SAVE_FRAME_SIZE (CALLEE_REG_FRAME_SIZE + CALLEE_FLOAT_FRAME_SIZE) #ifdef CONFIG_PA20 @@ -67,6 +49,28 @@ #ifdef __ASSEMBLY__ +#ifdef CONFIG_64BIT +#define LDREG ldd +#define STREG std +#define LDREGX ldd,s +#define LDREGM ldd,mb +#define STREGM std,ma +#define SHRREG shrd +#define SHLREG shld +#define ANDCM andcm,* +#define COND(x) * ## x +#else /* CONFIG_64BIT */ +#define LDREG ldw +#define STREG stw +#define LDREGX ldwx,s +#define LDREGM ldwm +#define STREGM stwm +#define SHRREG shr +#define SHLREG shlw +#define ANDCM andcm +#define COND(x) x +#endif + #ifdef CONFIG_64BIT /* the 64-bit pa gnu assembler unfortunately defaults to .level 1.1 or 2.0 so * work around that for now... */ diff --git a/arch/parisc/include/asm/jump_label.h b/arch/parisc/include/asm/jump_label.h index 7efb1aa2f7f8..af2a598bc0f8 100644 --- a/arch/parisc/include/asm/jump_label.h +++ b/arch/parisc/include/asm/jump_label.h @@ -5,6 +5,7 @@ #ifndef __ASSEMBLY__ #include +#include #include #define JUMP_LABEL_NOP_SIZE 4 diff --git a/arch/parisc/include/asm/rt_sigframe.h b/arch/parisc/include/asm/rt_sigframe.h index 4b9e3d707571..2b3010ade00e 100644 --- a/arch/parisc/include/asm/rt_sigframe.h +++ b/arch/parisc/include/asm/rt_sigframe.h @@ -2,7 +2,7 @@ #ifndef _ASM_PARISC_RT_SIGFRAME_H #define _ASM_PARISC_RT_SIGFRAME_H -#define SIGRETURN_TRAMP 3 +#define SIGRETURN_TRAMP 4 #define SIGRESTARTBLOCK_TRAMP 5 #define TRAMP_SIZE (SIGRETURN_TRAMP + SIGRESTARTBLOCK_TRAMP) diff --git a/arch/parisc/kernel/signal.c b/arch/parisc/kernel/signal.c index bbfe23c40c01..46b1050640b8 100644 --- a/arch/parisc/kernel/signal.c +++ b/arch/parisc/kernel/signal.c @@ -288,21 +288,22 @@ setup_rt_frame(struct ksignal *ksig, sigset_t *set, struct pt_regs *regs, already in userspace. The first words of tramp are used to save the previous sigrestartblock trampoline that might be on the stack. We start the sigreturn trampoline at - SIGRESTARTBLOCK_TRAMP. */ + SIGRESTARTBLOCK_TRAMP+X. */ err |= __put_user(in_syscall ? INSN_LDI_R25_1 : INSN_LDI_R25_0, &frame->tramp[SIGRESTARTBLOCK_TRAMP+0]); - err |= __put_user(INSN_BLE_SR2_R0, + err |= __put_user(INSN_LDI_R20, &frame->tramp[SIGRESTARTBLOCK_TRAMP+1]); - err |= __put_user(INSN_LDI_R20, + err |= __put_user(INSN_BLE_SR2_R0, &frame->tramp[SIGRESTARTBLOCK_TRAMP+2]); + err |= __put_user(INSN_NOP, &frame->tramp[SIGRESTARTBLOCK_TRAMP+3]); - start = (unsigned long) &frame->tramp[SIGRESTARTBLOCK_TRAMP+0]; - end = (unsigned long) &frame->tramp[SIGRESTARTBLOCK_TRAMP+3]; + start = (unsigned long) &frame->tramp[0]; + end = (unsigned long) &frame->tramp[TRAMP_SIZE]; flush_user_dcache_range_asm(start, end); flush_user_icache_range_asm(start, end); /* TRAMP Words 0-4, Length 5 = SIGRESTARTBLOCK_TRAMP - * TRAMP Words 5-7, Length 3 = SIGRETURN_TRAMP + * TRAMP Words 5-9, Length 4 = SIGRETURN_TRAMP * So the SIGRETURN_TRAMP is at the end of SIGRESTARTBLOCK_TRAMP */ rp = (unsigned long) &frame->tramp[SIGRESTARTBLOCK_TRAMP]; diff --git a/arch/parisc/kernel/signal32.h b/arch/parisc/kernel/signal32.h index a5bdbb5678b7..f166250f2d06 100644 --- a/arch/parisc/kernel/signal32.h +++ b/arch/parisc/kernel/signal32.h @@ -36,7 +36,7 @@ struct compat_regfile { compat_int_t rf_sar; }; -#define COMPAT_SIGRETURN_TRAMP 3 +#define COMPAT_SIGRETURN_TRAMP 4 #define COMPAT_SIGRESTARTBLOCK_TRAMP 5 #define COMPAT_TRAMP_SIZE (COMPAT_SIGRETURN_TRAMP + \ COMPAT_SIGRESTARTBLOCK_TRAMP) diff --git a/arch/parisc/kernel/syscalls/syscall.tbl b/arch/parisc/kernel/syscalls/syscall.tbl index bf751e0732b7..358c00000755 100644 --- a/arch/parisc/kernel/syscalls/syscall.tbl +++ b/arch/parisc/kernel/syscalls/syscall.tbl @@ -446,3 +446,4 @@ 446 common landlock_restrict_self sys_landlock_restrict_self # 447 reserved for memfd_secret 448 common process_mrelease sys_process_mrelease +449 common futex_waitv sys_futex_waitv diff --git a/arch/powerpc/kernel/Makefile b/arch/powerpc/kernel/Makefile index 0e3640e14eb1..5fa68c2ef1f8 100644 --- a/arch/powerpc/kernel/Makefile +++ b/arch/powerpc/kernel/Makefile @@ -196,3 +196,6 @@ clean-files := vmlinux.lds # Force dependency (incbin is bad) $(obj)/vdso32_wrapper.o : $(obj)/vdso32/vdso32.so.dbg $(obj)/vdso64_wrapper.o : $(obj)/vdso64/vdso64.so.dbg + +# for cleaning +subdir- += vdso32 vdso64 diff --git a/arch/powerpc/kernel/head_8xx.S b/arch/powerpc/kernel/head_8xx.S index 2d596881b70e..0d073b9fd52c 100644 --- a/arch/powerpc/kernel/head_8xx.S +++ b/arch/powerpc/kernel/head_8xx.S @@ -733,6 +733,7 @@ _GLOBAL(mmu_pin_tlb) #ifdef CONFIG_PIN_TLB_DATA LOAD_REG_IMMEDIATE(r6, PAGE_OFFSET) LOAD_REG_IMMEDIATE(r7, MI_SVALID | MI_PS8MEG | _PMD_ACCESSED) + li r8, 0 #ifdef CONFIG_PIN_TLB_IMMR li r0, 3 #else @@ -741,26 +742,26 @@ _GLOBAL(mmu_pin_tlb) mtctr r0 cmpwi r4, 0 beq 4f - LOAD_REG_IMMEDIATE(r8, 0xf0 | _PAGE_RO | _PAGE_SPS | _PAGE_SH | _PAGE_PRESENT) LOAD_REG_ADDR(r9, _sinittext) 2: ori r0, r6, MD_EVALID + ori r12, r8, 0xf0 | _PAGE_RO | _PAGE_SPS | _PAGE_SH | _PAGE_PRESENT mtspr SPRN_MD_CTR, r5 mtspr SPRN_MD_EPN, r0 mtspr SPRN_MD_TWC, r7 - mtspr SPRN_MD_RPN, r8 + mtspr SPRN_MD_RPN, r12 addi r5, r5, 0x100 addis r6, r6, SZ_8M@h addis r8, r8, SZ_8M@h cmplw r6, r9 bdnzt lt, 2b - -4: LOAD_REG_IMMEDIATE(r8, 0xf0 | _PAGE_DIRTY | _PAGE_SPS | _PAGE_SH | _PAGE_PRESENT) +4: 2: ori r0, r6, MD_EVALID + ori r12, r8, 0xf0 | _PAGE_DIRTY | _PAGE_SPS | _PAGE_SH | _PAGE_PRESENT mtspr SPRN_MD_CTR, r5 mtspr SPRN_MD_EPN, r0 mtspr SPRN_MD_TWC, r7 - mtspr SPRN_MD_RPN, r8 + mtspr SPRN_MD_RPN, r12 addi r5, r5, 0x100 addis r6, r6, SZ_8M@h addis r8, r8, SZ_8M@h @@ -781,7 +782,7 @@ _GLOBAL(mmu_pin_tlb) #endif #if defined(CONFIG_PIN_TLB_IMMR) || defined(CONFIG_PIN_TLB_DATA) lis r0, (MD_RSV4I | MD_TWAM)@h - mtspr SPRN_MI_CTR, r0 + mtspr SPRN_MD_CTR, r0 #endif mtspr SPRN_SRR1, r10 mtspr SPRN_SRR0, r11 diff --git a/arch/powerpc/kernel/signal.h b/arch/powerpc/kernel/signal.h index 1f07317964e4..618aeccdf691 100644 --- a/arch/powerpc/kernel/signal.h +++ b/arch/powerpc/kernel/signal.h @@ -25,8 +25,14 @@ static inline int __get_user_sigset(sigset_t *dst, const sigset_t __user *src) return __get_user(dst->sig[0], (u64 __user *)&src->sig[0]); } -#define unsafe_get_user_sigset(dst, src, label) \ - unsafe_get_user((dst)->sig[0], (u64 __user *)&(src)->sig[0], label) +#define unsafe_get_user_sigset(dst, src, label) do { \ + sigset_t *__dst = dst; \ + const sigset_t __user *__src = src; \ + int i; \ + \ + for (i = 0; i < _NSIG_WORDS; i++) \ + unsafe_get_user(__dst->sig[i], &__src->sig[i], label); \ +} while (0) #ifdef CONFIG_VSX extern unsigned long copy_vsx_to_user(void __user *to, diff --git a/arch/powerpc/kernel/signal_32.c b/arch/powerpc/kernel/signal_32.c index 00a9c9cd6d42..3e053e2fd6b6 100644 --- a/arch/powerpc/kernel/signal_32.c +++ b/arch/powerpc/kernel/signal_32.c @@ -1063,7 +1063,7 @@ SYSCALL_DEFINE3(swapcontext, struct ucontext __user *, old_ctx, * We kill the task with a SIGSEGV in this situation. */ if (do_setcontext(new_ctx, regs, 0)) { - force_fatal_sig(SIGSEGV); + force_exit_sig(SIGSEGV); return -EFAULT; } diff --git a/arch/powerpc/kernel/signal_64.c b/arch/powerpc/kernel/signal_64.c index ef518535d436..d1e1fc0acbea 100644 --- a/arch/powerpc/kernel/signal_64.c +++ b/arch/powerpc/kernel/signal_64.c @@ -704,7 +704,7 @@ SYSCALL_DEFINE3(swapcontext, struct ucontext __user *, old_ctx, */ if (__get_user_sigset(&set, &new_ctx->uc_sigmask)) { - force_fatal_sig(SIGSEGV); + force_exit_sig(SIGSEGV); return -EFAULT; } set_current_blocked(&set); @@ -713,7 +713,7 @@ SYSCALL_DEFINE3(swapcontext, struct ucontext __user *, old_ctx, return -EFAULT; if (__unsafe_restore_sigcontext(current, NULL, 0, &new_ctx->uc_mcontext)) { user_read_access_end(); - force_fatal_sig(SIGSEGV); + force_exit_sig(SIGSEGV); return -EFAULT; } user_read_access_end(); diff --git a/arch/powerpc/kernel/watchdog.c b/arch/powerpc/kernel/watchdog.c index f9ea0e5357f9..3fa6d240bade 100644 --- a/arch/powerpc/kernel/watchdog.c +++ b/arch/powerpc/kernel/watchdog.c @@ -187,6 +187,12 @@ static void watchdog_smp_panic(int cpu, u64 tb) if (sysctl_hardlockup_all_cpu_backtrace) trigger_allbutself_cpu_backtrace(); + /* + * Force flush any remote buffers that might be stuck in IRQ context + * and therefore could not run their irq_work. + */ + printk_trigger_flush(); + if (hardlockup_panic) nmi_panic(NULL, "Hard LOCKUP"); diff --git a/arch/powerpc/kvm/book3s_hv_rmhandlers.S b/arch/powerpc/kvm/book3s_hv_rmhandlers.S index eb776d0c5d8e..32a4b4d412b9 100644 --- a/arch/powerpc/kvm/book3s_hv_rmhandlers.S +++ b/arch/powerpc/kvm/book3s_hv_rmhandlers.S @@ -2005,7 +2005,7 @@ hcall_real_table: .globl hcall_real_table_end hcall_real_table_end: -_GLOBAL(kvmppc_h_set_xdabr) +_GLOBAL_TOC(kvmppc_h_set_xdabr) EXPORT_SYMBOL_GPL(kvmppc_h_set_xdabr) andi. r0, r5, DABRX_USER | DABRX_KERNEL beq 6f @@ -2015,7 +2015,7 @@ EXPORT_SYMBOL_GPL(kvmppc_h_set_xdabr) 6: li r3, H_PARAMETER blr -_GLOBAL(kvmppc_h_set_dabr) +_GLOBAL_TOC(kvmppc_h_set_dabr) EXPORT_SYMBOL_GPL(kvmppc_h_set_dabr) li r5, DABRX_USER | DABRX_KERNEL 3: diff --git a/arch/powerpc/kvm/powerpc.c b/arch/powerpc/kvm/powerpc.c index 35e9cccdeef9..a72920f4f221 100644 --- a/arch/powerpc/kvm/powerpc.c +++ b/arch/powerpc/kvm/powerpc.c @@ -641,9 +641,9 @@ int kvm_vm_ioctl_check_extension(struct kvm *kvm, long ext) * implementations just count online CPUs. */ if (hv_enabled) - r = num_present_cpus(); + r = min_t(unsigned int, num_present_cpus(), KVM_MAX_VCPUS); else - r = num_online_cpus(); + r = min_t(unsigned int, num_online_cpus(), KVM_MAX_VCPUS); break; case KVM_CAP_MAX_VCPUS: r = KVM_MAX_VCPUS; diff --git a/arch/powerpc/mm/nohash/kaslr_booke.c b/arch/powerpc/mm/nohash/kaslr_booke.c index 8fc49b1b4a91..6ec978967da0 100644 --- a/arch/powerpc/mm/nohash/kaslr_booke.c +++ b/arch/powerpc/mm/nohash/kaslr_booke.c @@ -314,7 +314,7 @@ static unsigned long __init kaslr_choose_location(void *dt_ptr, phys_addr_t size pr_warn("KASLR: No safe seed for randomizing the kernel base.\n"); ram = min_t(phys_addr_t, __max_low_memory, size); - ram = map_mem_in_cams(ram, CONFIG_LOWMEM_CAM_NUM, true, false); + ram = map_mem_in_cams(ram, CONFIG_LOWMEM_CAM_NUM, true, true); linear_sz = min_t(unsigned long, ram, SZ_512M); /* If the linear size is smaller than 64M, do not randmize */ diff --git a/arch/powerpc/mm/nohash/tlb.c b/arch/powerpc/mm/nohash/tlb.c index 89353d4f5604..647bf454a0fa 100644 --- a/arch/powerpc/mm/nohash/tlb.c +++ b/arch/powerpc/mm/nohash/tlb.c @@ -645,7 +645,7 @@ static void early_init_this_mmu(void) if (map) linear_map_top = map_mem_in_cams(linear_map_top, - num_cams, true, true); + num_cams, false, true); } #endif @@ -766,7 +766,7 @@ void setup_initial_memory_limit(phys_addr_t first_memblock_base, num_cams = (mfspr(SPRN_TLB1CFG) & TLBnCFG_N_ENTRY) / 4; linear_sz = map_mem_in_cams(first_memblock_size, num_cams, - false, true); + true, true); ppc64_rma_size = min_t(u64, linear_sz, 0x40000000); } else diff --git a/arch/powerpc/mm/numa.c b/arch/powerpc/mm/numa.c index 6f14c8fb6359..59d3cfcd7887 100644 --- a/arch/powerpc/mm/numa.c +++ b/arch/powerpc/mm/numa.c @@ -376,9 +376,9 @@ static void initialize_form2_numa_distance_lookup_table(void) { int i, j; struct device_node *root; - const __u8 *numa_dist_table; + const __u8 *form2_distances; const __be32 *numa_lookup_index; - int numa_dist_table_length; + int form2_distances_length; int max_numa_index, distance_index; if (firmware_has_feature(FW_FEATURE_OPAL)) @@ -392,45 +392,41 @@ static void initialize_form2_numa_distance_lookup_table(void) max_numa_index = of_read_number(&numa_lookup_index[0], 1); /* first element of the array is the size and is encode-int */ - numa_dist_table = of_get_property(root, "ibm,numa-distance-table", NULL); - numa_dist_table_length = of_read_number((const __be32 *)&numa_dist_table[0], 1); + form2_distances = of_get_property(root, "ibm,numa-distance-table", NULL); + form2_distances_length = of_read_number((const __be32 *)&form2_distances[0], 1); /* Skip the size which is encoded int */ - numa_dist_table += sizeof(__be32); + form2_distances += sizeof(__be32); - pr_debug("numa_dist_table_len = %d, numa_dist_indexes_len = %d\n", - numa_dist_table_length, max_numa_index); + pr_debug("form2_distances_len = %d, numa_dist_indexes_len = %d\n", + form2_distances_length, max_numa_index); for (i = 0; i < max_numa_index; i++) /* +1 skip the max_numa_index in the property */ numa_id_index_table[i] = of_read_number(&numa_lookup_index[i + 1], 1); - if (numa_dist_table_length != max_numa_index * max_numa_index) { + if (form2_distances_length != max_numa_index * max_numa_index) { WARN(1, "Wrong NUMA distance information\n"); - /* consider everybody else just remote. */ - for (i = 0; i < max_numa_index; i++) { - for (j = 0; j < max_numa_index; j++) { - int nodeA = numa_id_index_table[i]; - int nodeB = numa_id_index_table[j]; - - if (nodeA == nodeB) - numa_distance_table[nodeA][nodeB] = LOCAL_DISTANCE; - else - numa_distance_table[nodeA][nodeB] = REMOTE_DISTANCE; - } - } + form2_distances = NULL; // don't use it } - distance_index = 0; for (i = 0; i < max_numa_index; i++) { for (j = 0; j < max_numa_index; j++) { int nodeA = numa_id_index_table[i]; int nodeB = numa_id_index_table[j]; + int dist; - numa_distance_table[nodeA][nodeB] = numa_dist_table[distance_index++]; - pr_debug("dist[%d][%d]=%d ", nodeA, nodeB, numa_distance_table[nodeA][nodeB]); + if (form2_distances) + dist = form2_distances[distance_index++]; + else if (nodeA == nodeB) + dist = LOCAL_DISTANCE; + else + dist = REMOTE_DISTANCE; + numa_distance_table[nodeA][nodeB] = dist; + pr_debug("dist[%d][%d]=%d ", nodeA, nodeB, dist); } } + of_node_put(root); } diff --git a/arch/powerpc/platforms/83xx/mcu_mpc8349emitx.c b/arch/powerpc/platforms/83xx/mcu_mpc8349emitx.c index bb789f33c70e..a38372f9ac12 100644 --- a/arch/powerpc/platforms/83xx/mcu_mpc8349emitx.c +++ b/arch/powerpc/platforms/83xx/mcu_mpc8349emitx.c @@ -186,7 +186,6 @@ err: static int mcu_remove(struct i2c_client *client) { struct mcu *mcu = i2c_get_clientdata(client); - int ret; kthread_stop(shutdown_thread); diff --git a/arch/powerpc/platforms/pseries/iommu.c b/arch/powerpc/platforms/pseries/iommu.c index 49b401536d29..8f998e55735b 100644 --- a/arch/powerpc/platforms/pseries/iommu.c +++ b/arch/powerpc/platforms/pseries/iommu.c @@ -1094,15 +1094,6 @@ static phys_addr_t ddw_memory_hotplug_max(void) phys_addr_t max_addr = memory_hotplug_max(); struct device_node *memory; - /* - * The "ibm,pmemory" can appear anywhere in the address space. - * Assuming it is still backed by page structs, set the upper limit - * for the huge DMA window as MAX_PHYSMEM_BITS. - */ - if (of_find_node_by_type(NULL, "ibm,pmemory")) - return (sizeof(phys_addr_t) * 8 <= MAX_PHYSMEM_BITS) ? - (phys_addr_t) -1 : (1ULL << MAX_PHYSMEM_BITS); - for_each_node_by_type(memory, "memory") { unsigned long start, size; int n_mem_addr_cells, n_mem_size_cells, len; @@ -1238,7 +1229,6 @@ static bool enable_ddw(struct pci_dev *dev, struct device_node *pdn) u32 ddw_avail[DDW_APPLICABLE_SIZE]; struct dma_win *window; struct property *win64; - bool ddw_enabled = false; struct failed_ddw_pdn *fpdn; bool default_win_removed = false, direct_mapping = false; bool pmem_present; @@ -1253,7 +1243,6 @@ static bool enable_ddw(struct pci_dev *dev, struct device_node *pdn) if (find_existing_ddw(pdn, &dev->dev.archdata.dma_offset, &len)) { direct_mapping = (len >= max_ram_len); - ddw_enabled = true; goto out_unlock; } @@ -1367,8 +1356,10 @@ static bool enable_ddw(struct pci_dev *dev, struct device_node *pdn) len = order_base_2(query.largest_available_block << page_shift); win_name = DMA64_PROPNAME; } else { - direct_mapping = true; - win_name = DIRECT64_PROPNAME; + direct_mapping = !default_win_removed || + (len == MAX_PHYSMEM_BITS) || + (!pmem_present && (len == max_ram_len)); + win_name = direct_mapping ? DIRECT64_PROPNAME : DMA64_PROPNAME; } ret = create_ddw(dev, ddw_avail, &create, page_shift, len); @@ -1406,8 +1397,8 @@ static bool enable_ddw(struct pci_dev *dev, struct device_node *pdn) dev_info(&dev->dev, "failed to map DMA window for %pOF: %d\n", dn, ret); - /* Make sure to clean DDW if any TCE was set*/ - clean_dma_window(pdn, win64->value); + /* Make sure to clean DDW if any TCE was set*/ + clean_dma_window(pdn, win64->value); goto out_del_list; } } else { @@ -1454,7 +1445,6 @@ static bool enable_ddw(struct pci_dev *dev, struct device_node *pdn) spin_unlock(&dma_win_list_lock); dev->dev.archdata.dma_offset = win_addr; - ddw_enabled = true; goto out_unlock; out_del_list: @@ -1490,10 +1480,10 @@ out_unlock: * as RAM, then we failed to create a window to cover persistent * memory and need to set the DMA limit. */ - if (pmem_present && ddw_enabled && direct_mapping && len == max_ram_len) + if (pmem_present && direct_mapping && len == max_ram_len) dev->dev.bus_dma_limit = dev->dev.archdata.dma_offset + (1ULL << len); - return ddw_enabled && direct_mapping; + return direct_mapping; } static void pci_dma_dev_setup_pSeriesLP(struct pci_dev *dev) diff --git a/arch/powerpc/sysdev/xive/Kconfig b/arch/powerpc/sysdev/xive/Kconfig index 97796c6b63f0..785c292d104b 100644 --- a/arch/powerpc/sysdev/xive/Kconfig +++ b/arch/powerpc/sysdev/xive/Kconfig @@ -3,7 +3,6 @@ config PPC_XIVE bool select PPC_SMP_MUXED_IPI select HARDIRQS_SW_RESEND - select IRQ_DOMAIN_NOMAP config PPC_XIVE_NATIVE bool diff --git a/arch/powerpc/sysdev/xive/common.c b/arch/powerpc/sysdev/xive/common.c index c5d75c02ad8b..7b69299c2912 100644 --- a/arch/powerpc/sysdev/xive/common.c +++ b/arch/powerpc/sysdev/xive/common.c @@ -1443,8 +1443,7 @@ static const struct irq_domain_ops xive_irq_domain_ops = { static void __init xive_init_host(struct device_node *np) { - xive_irq_domain = irq_domain_add_nomap(np, XIVE_MAX_IRQ, - &xive_irq_domain_ops, NULL); + xive_irq_domain = irq_domain_add_tree(np, &xive_irq_domain_ops, NULL); if (WARN_ON(xive_irq_domain == NULL)) return; irq_set_default_host(xive_irq_domain); diff --git a/arch/riscv/Makefile b/arch/riscv/Makefile index 5927c94302b8..8a107ed18b0d 100644 --- a/arch/riscv/Makefile +++ b/arch/riscv/Makefile @@ -107,11 +107,13 @@ PHONY += vdso_install vdso_install: $(Q)$(MAKE) $(build)=arch/riscv/kernel/vdso $@ +ifeq ($(KBUILD_EXTMOD),) ifeq ($(CONFIG_MMU),y) prepare: vdso_prepare vdso_prepare: prepare0 $(Q)$(MAKE) $(build)=arch/riscv/kernel/vdso include/generated/vdso-offsets.h endif +endif ifneq ($(CONFIG_XIP_KERNEL),y) ifeq ($(CONFIG_RISCV_M_MODE)$(CONFIG_SOC_CANAAN),yy) diff --git a/arch/riscv/configs/defconfig b/arch/riscv/configs/defconfig index c252fd5706d2..ef473e2f503b 100644 --- a/arch/riscv/configs/defconfig +++ b/arch/riscv/configs/defconfig @@ -19,6 +19,8 @@ CONFIG_SOC_VIRT=y CONFIG_SOC_MICROCHIP_POLARFIRE=y CONFIG_SMP=y CONFIG_HOTPLUG_CPU=y +CONFIG_VIRTUALIZATION=y +CONFIG_KVM=m CONFIG_JUMP_LABEL=y CONFIG_MODULES=y CONFIG_MODULE_UNLOAD=y diff --git a/arch/riscv/configs/rv32_defconfig b/arch/riscv/configs/rv32_defconfig index 434ef5b64599..6e9f12ff968a 100644 --- a/arch/riscv/configs/rv32_defconfig +++ b/arch/riscv/configs/rv32_defconfig @@ -19,6 +19,8 @@ CONFIG_SOC_VIRT=y CONFIG_ARCH_RV32I=y CONFIG_SMP=y CONFIG_HOTPLUG_CPU=y +CONFIG_VIRTUALIZATION=y +CONFIG_KVM=m CONFIG_JUMP_LABEL=y CONFIG_MODULES=y CONFIG_MODULE_UNLOAD=y diff --git a/arch/riscv/kvm/vcpu.c b/arch/riscv/kvm/vcpu.c index e3d3aed46184..fb84619df012 100644 --- a/arch/riscv/kvm/vcpu.c +++ b/arch/riscv/kvm/vcpu.c @@ -740,7 +740,7 @@ int kvm_arch_vcpu_ioctl_run(struct kvm_vcpu *vcpu) * Ensure we set mode to IN_GUEST_MODE after we disable * interrupts and before the final VCPU requests check. * See the comment in kvm_vcpu_exiting_guest_mode() and - * Documentation/virtual/kvm/vcpu-requests.rst + * Documentation/virt/kvm/vcpu-requests.rst */ vcpu->mode = IN_GUEST_MODE; diff --git a/arch/riscv/kvm/vcpu_sbi.c b/arch/riscv/kvm/vcpu_sbi.c index eb3c045edf11..3b0e703d22cf 100644 --- a/arch/riscv/kvm/vcpu_sbi.c +++ b/arch/riscv/kvm/vcpu_sbi.c @@ -1,5 +1,5 @@ // SPDX-License-Identifier: GPL-2.0 -/** +/* * Copyright (c) 2019 Western Digital Corporation or its affiliates. * * Authors: diff --git a/arch/riscv/kvm/vm.c b/arch/riscv/kvm/vm.c index 26399df15b63..fb18af34a4b5 100644 --- a/arch/riscv/kvm/vm.c +++ b/arch/riscv/kvm/vm.c @@ -74,7 +74,7 @@ int kvm_vm_ioctl_check_extension(struct kvm *kvm, long ext) r = 1; break; case KVM_CAP_NR_VCPUS: - r = num_online_cpus(); + r = min_t(unsigned int, num_online_cpus(), KVM_MAX_VCPUS); break; case KVM_CAP_MAX_VCPUS: r = KVM_MAX_VCPUS; diff --git a/arch/s390/Kconfig b/arch/s390/Kconfig index 8857ec3b97eb..2a5bb4f29cfe 100644 --- a/arch/s390/Kconfig +++ b/arch/s390/Kconfig @@ -47,7 +47,7 @@ config ARCH_SUPPORTS_UPROBES config KASAN_SHADOW_OFFSET hex depends on KASAN - default 0x18000000000000 + default 0x1C000000000000 config S390 def_bool y @@ -194,6 +194,7 @@ config S390 select HAVE_RELIABLE_STACKTRACE select HAVE_RSEQ select HAVE_SAMPLE_FTRACE_DIRECT + select HAVE_SAMPLE_FTRACE_DIRECT_MULTI select HAVE_SOFTIRQ_ON_OWN_STACK select HAVE_SYSCALL_TRACEPOINTS select HAVE_VIRT_CPU_ACCOUNTING diff --git a/arch/s390/Makefile b/arch/s390/Makefile index 69c45f600273..609e3697324b 100644 --- a/arch/s390/Makefile +++ b/arch/s390/Makefile @@ -77,10 +77,12 @@ KBUILD_AFLAGS_DECOMPRESSOR += $(aflags-y) KBUILD_CFLAGS_DECOMPRESSOR += $(cflags-y) ifneq ($(call cc-option,-mstack-size=8192 -mstack-guard=128),) -cflags-$(CONFIG_CHECK_STACK) += -mstack-size=$(STACK_SIZE) -ifeq ($(call cc-option,-mstack-size=8192),) -cflags-$(CONFIG_CHECK_STACK) += -mstack-guard=$(CONFIG_STACK_GUARD) -endif + CC_FLAGS_CHECK_STACK := -mstack-size=$(STACK_SIZE) + ifeq ($(call cc-option,-mstack-size=8192),) + CC_FLAGS_CHECK_STACK += -mstack-guard=$(CONFIG_STACK_GUARD) + endif + export CC_FLAGS_CHECK_STACK + cflags-$(CONFIG_CHECK_STACK) += $(CC_FLAGS_CHECK_STACK) endif ifdef CONFIG_EXPOLINE diff --git a/arch/s390/boot/startup.c b/arch/s390/boot/startup.c index 7571dee72a0c..1aa11a8f57dd 100644 --- a/arch/s390/boot/startup.c +++ b/arch/s390/boot/startup.c @@ -149,82 +149,56 @@ static void setup_ident_map_size(unsigned long max_physmem_end) static void setup_kernel_memory_layout(void) { - bool vmalloc_size_verified = false; - unsigned long vmemmap_off; - unsigned long vspace_left; + unsigned long vmemmap_start; unsigned long rte_size; unsigned long pages; - unsigned long vmax; pages = ident_map_size / PAGE_SIZE; /* vmemmap contains a multiple of PAGES_PER_SECTION struct pages */ vmemmap_size = SECTION_ALIGN_UP(pages) * sizeof(struct page); /* choose kernel address space layout: 4 or 3 levels. */ - vmemmap_off = round_up(ident_map_size, _REGION3_SIZE); + vmemmap_start = round_up(ident_map_size, _REGION3_SIZE); if (IS_ENABLED(CONFIG_KASAN) || vmalloc_size > _REGION2_SIZE || - vmemmap_off + vmemmap_size + vmalloc_size + MODULES_LEN > _REGION2_SIZE) - vmax = _REGION1_SIZE; - else - vmax = _REGION2_SIZE; - - /* keep vmemmap_off aligned to a top level region table entry */ - rte_size = vmax == _REGION1_SIZE ? _REGION2_SIZE : _REGION3_SIZE; - MODULES_END = vmax; - if (is_prot_virt_host()) { - /* - * forcing modules and vmalloc area under the ultravisor - * secure storage limit, so that any vmalloc allocation - * we do could be used to back secure guest storage. - */ - adjust_to_uv_max(&MODULES_END); - } - -#ifdef CONFIG_KASAN - if (MODULES_END < vmax) { - /* force vmalloc and modules below kasan shadow */ - MODULES_END = min(MODULES_END, KASAN_SHADOW_START); + vmemmap_start + vmemmap_size + vmalloc_size + MODULES_LEN > + _REGION2_SIZE) { + MODULES_END = _REGION1_SIZE; + rte_size = _REGION2_SIZE; } else { - /* - * leave vmalloc and modules above kasan shadow but make - * sure they don't overlap with it - */ - vmalloc_size = min(vmalloc_size, vmax - KASAN_SHADOW_END - MODULES_LEN); - vmalloc_size_verified = true; - vspace_left = KASAN_SHADOW_START; + MODULES_END = _REGION2_SIZE; + rte_size = _REGION3_SIZE; } + /* + * forcing modules and vmalloc area under the ultravisor + * secure storage limit, so that any vmalloc allocation + * we do could be used to back secure guest storage. + */ + adjust_to_uv_max(&MODULES_END); +#ifdef CONFIG_KASAN + /* force vmalloc and modules below kasan shadow */ + MODULES_END = min(MODULES_END, KASAN_SHADOW_START); #endif MODULES_VADDR = MODULES_END - MODULES_LEN; VMALLOC_END = MODULES_VADDR; - if (vmalloc_size_verified) { - VMALLOC_START = VMALLOC_END - vmalloc_size; - } else { - vmemmap_off = round_up(ident_map_size, rte_size); + /* allow vmalloc area to occupy up to about 1/2 of the rest virtual space left */ + vmalloc_size = min(vmalloc_size, round_down(VMALLOC_END / 2, _REGION3_SIZE)); + VMALLOC_START = VMALLOC_END - vmalloc_size; - if (vmemmap_off + vmemmap_size > VMALLOC_END || - vmalloc_size > VMALLOC_END - vmemmap_off - vmemmap_size) { - /* - * allow vmalloc area to occupy up to 1/2 of - * the rest virtual space left. - */ - vmalloc_size = min(vmalloc_size, VMALLOC_END / 2); - } - VMALLOC_START = VMALLOC_END - vmalloc_size; - vspace_left = VMALLOC_START; - } - - pages = vspace_left / (PAGE_SIZE + sizeof(struct page)); + /* split remaining virtual space between 1:1 mapping & vmemmap array */ + pages = VMALLOC_START / (PAGE_SIZE + sizeof(struct page)); pages = SECTION_ALIGN_UP(pages); - vmemmap_off = round_up(vspace_left - pages * sizeof(struct page), rte_size); - /* keep vmemmap left most starting from a fresh region table entry */ - vmemmap_off = min(vmemmap_off, round_up(ident_map_size, rte_size)); - /* take care that identity map is lower then vmemmap */ - ident_map_size = min(ident_map_size, vmemmap_off); + /* keep vmemmap_start aligned to a top level region table entry */ + vmemmap_start = round_down(VMALLOC_START - pages * sizeof(struct page), rte_size); + /* vmemmap_start is the future VMEM_MAX_PHYS, make sure it is within MAX_PHYSMEM */ + vmemmap_start = min(vmemmap_start, 1UL << MAX_PHYSMEM_BITS); + /* make sure identity map doesn't overlay with vmemmap */ + ident_map_size = min(ident_map_size, vmemmap_start); vmemmap_size = SECTION_ALIGN_UP(ident_map_size / PAGE_SIZE) * sizeof(struct page); - VMALLOC_START = max(vmemmap_off + vmemmap_size, VMALLOC_START); - vmemmap = (struct page *)vmemmap_off; + /* make sure vmemmap doesn't overlay with vmalloc area */ + VMALLOC_START = max(vmemmap_start + vmemmap_size, VMALLOC_START); + vmemmap = (struct page *)vmemmap_start; } /* diff --git a/arch/s390/include/asm/kexec.h b/arch/s390/include/asm/kexec.h index ea398a05f643..7f3c9ac34bd8 100644 --- a/arch/s390/include/asm/kexec.h +++ b/arch/s390/include/asm/kexec.h @@ -74,6 +74,12 @@ void *kexec_file_add_components(struct kimage *image, int arch_kexec_do_relocs(int r_type, void *loc, unsigned long val, unsigned long addr); +#define ARCH_HAS_KIMAGE_ARCH + +struct kimage_arch { + void *ipl_buf; +}; + extern const struct kexec_file_ops s390_kexec_image_ops; extern const struct kexec_file_ops s390_kexec_elf_ops; diff --git a/arch/s390/kernel/crash_dump.c b/arch/s390/kernel/crash_dump.c index d72a6df058d7..785d54c9350c 100644 --- a/arch/s390/kernel/crash_dump.c +++ b/arch/s390/kernel/crash_dump.c @@ -191,8 +191,8 @@ static int copy_oldmem_user(void __user *dst, void *src, size_t count) return rc; } else { /* Check for swapped kdump oldmem areas */ - if (oldmem_data.start && from - oldmem_data.size < oldmem_data.size) { - from -= oldmem_data.size; + if (oldmem_data.start && from - oldmem_data.start < oldmem_data.size) { + from -= oldmem_data.start; len = min(count, oldmem_data.size - from); } else if (oldmem_data.start && from < oldmem_data.size) { len = min(count, oldmem_data.size - from); diff --git a/arch/s390/kernel/ipl.c b/arch/s390/kernel/ipl.c index e2cc35775b99..5ad1dde23dc5 100644 --- a/arch/s390/kernel/ipl.c +++ b/arch/s390/kernel/ipl.c @@ -2156,7 +2156,7 @@ void *ipl_report_finish(struct ipl_report *report) buf = vzalloc(report->size); if (!buf) - return ERR_PTR(-ENOMEM); + goto out; ptr = buf; memcpy(ptr, report->ipib, report->ipib->hdr.len); @@ -2195,6 +2195,7 @@ void *ipl_report_finish(struct ipl_report *report) } BUG_ON(ptr > buf + report->size); +out: return buf; } diff --git a/arch/s390/kernel/machine_kexec_file.c b/arch/s390/kernel/machine_kexec_file.c index 528edff085d9..9975ad200d74 100644 --- a/arch/s390/kernel/machine_kexec_file.c +++ b/arch/s390/kernel/machine_kexec_file.c @@ -12,6 +12,7 @@ #include #include #include +#include #include #include #include @@ -170,6 +171,7 @@ static int kexec_file_add_ipl_report(struct kimage *image, struct kexec_buf buf; unsigned long addr; void *ptr, *end; + int ret; buf.image = image; @@ -199,9 +201,13 @@ static int kexec_file_add_ipl_report(struct kimage *image, ptr += len; } + ret = -ENOMEM; buf.buffer = ipl_report_finish(data->report); + if (!buf.buffer) + goto out; buf.bufsz = data->report->size; buf.memsz = buf.bufsz; + image->arch.ipl_buf = buf.buffer; data->memsz += buf.memsz; @@ -209,7 +215,9 @@ static int kexec_file_add_ipl_report(struct kimage *image, data->kernel_buf + offsetof(struct lowcore, ipl_parmblock_ptr); *lc_ipl_parmblock_ptr = (__u32)buf.mem; - return kexec_add_buffer(&buf); + ret = kexec_add_buffer(&buf); +out: + return ret; } void *kexec_file_add_components(struct kimage *image, @@ -322,3 +330,11 @@ int arch_kexec_apply_relocations_add(struct purgatory_info *pi, } return 0; } + +int arch_kimage_file_post_load_cleanup(struct kimage *image) +{ + vfree(image->arch.ipl_buf); + image->arch.ipl_buf = NULL; + + return kexec_image_post_load_cleanup_default(image); +} diff --git a/arch/s390/kernel/setup.c b/arch/s390/kernel/setup.c index 40405f2304f1..225ab2d0a4c6 100644 --- a/arch/s390/kernel/setup.c +++ b/arch/s390/kernel/setup.c @@ -606,7 +606,7 @@ static void __init setup_resources(void) static void __init setup_memory_end(void) { - memblock_remove(ident_map_size, ULONG_MAX); + memblock_remove(ident_map_size, PHYS_ADDR_MAX - ident_map_size); max_pfn = max_low_pfn = PFN_DOWN(ident_map_size); pr_notice("The maximum memory size is %luMB\n", ident_map_size >> 20); } @@ -637,14 +637,6 @@ static struct notifier_block kdump_mem_nb = { #endif -/* - * Make sure that the area above identity mapping is protected - */ -static void __init reserve_above_ident_map(void) -{ - memblock_reserve(ident_map_size, ULONG_MAX); -} - /* * Reserve memory for kdump kernel to be loaded with kexec */ @@ -785,7 +777,6 @@ static void __init memblock_add_mem_detect_info(void) } memblock_set_bottom_up(false); memblock_set_node(0, ULONG_MAX, &memblock.memory, 0); - memblock_dump_all(); } /* @@ -826,9 +817,6 @@ static void __init setup_memory(void) storage_key_init_range(start, end); psw_set_key(PAGE_DEFAULT_KEY); - - /* Only cosmetics */ - memblock_enforce_memory_limit(memblock_end_of_DRAM()); } static void __init relocate_amode31_section(void) @@ -999,24 +987,24 @@ void __init setup_arch(char **cmdline_p) setup_control_program_code(); /* Do some memory reservations *before* memory is added to memblock */ - reserve_above_ident_map(); reserve_kernel(); reserve_initrd(); reserve_certificate_list(); reserve_mem_detect_info(); + memblock_set_current_limit(ident_map_size); memblock_allow_resize(); /* Get information about *all* installed memory */ memblock_add_mem_detect_info(); free_mem_detect_info(); + setup_memory_end(); + memblock_dump_all(); + setup_memory(); relocate_amode31_section(); setup_cr(); - setup_uv(); - setup_memory_end(); - setup_memory(); dma_contiguous_reserve(ident_map_size); vmcp_cma_reserve(); if (MACHINE_HAS_EDAT2) diff --git a/arch/s390/kernel/syscalls/syscall.tbl b/arch/s390/kernel/syscalls/syscall.tbl index df5261e5cfe1..ed9c5c2eafad 100644 --- a/arch/s390/kernel/syscalls/syscall.tbl +++ b/arch/s390/kernel/syscalls/syscall.tbl @@ -451,3 +451,4 @@ 446 common landlock_restrict_self sys_landlock_restrict_self sys_landlock_restrict_self # 447 reserved for memfd_secret 448 common process_mrelease sys_process_mrelease sys_process_mrelease +449 common futex_waitv sys_futex_waitv sys_futex_waitv diff --git a/arch/s390/kernel/traps.c b/arch/s390/kernel/traps.c index 035705c9f23e..2b780786fc68 100644 --- a/arch/s390/kernel/traps.c +++ b/arch/s390/kernel/traps.c @@ -84,7 +84,7 @@ static void default_trap_handler(struct pt_regs *regs) { if (user_mode(regs)) { report_user_fault(regs, SIGSEGV, 0); - force_fatal_sig(SIGSEGV); + force_exit_sig(SIGSEGV); } else die(regs, "Unknown program exception"); } diff --git a/arch/s390/kernel/vdso32/Makefile b/arch/s390/kernel/vdso32/Makefile index e3e6ac5686df..245bddfe9bc0 100644 --- a/arch/s390/kernel/vdso32/Makefile +++ b/arch/s390/kernel/vdso32/Makefile @@ -22,7 +22,7 @@ KBUILD_AFLAGS_32 += -m31 -s KBUILD_CFLAGS_32 := $(filter-out -m64,$(KBUILD_CFLAGS)) KBUILD_CFLAGS_32 += -m31 -fPIC -shared -fno-common -fno-builtin -LDFLAGS_vdso32.so.dbg += -fPIC -shared -nostdlib -soname=linux-vdso32.so.1 \ +LDFLAGS_vdso32.so.dbg += -fPIC -shared -soname=linux-vdso32.so.1 \ --hash-style=both --build-id=sha1 -melf_s390 -T $(targets:%=$(obj)/%.dbg): KBUILD_CFLAGS = $(KBUILD_CFLAGS_32) diff --git a/arch/s390/kernel/vdso64/Makefile b/arch/s390/kernel/vdso64/Makefile index 6568de236701..9e2b95a222a9 100644 --- a/arch/s390/kernel/vdso64/Makefile +++ b/arch/s390/kernel/vdso64/Makefile @@ -8,8 +8,9 @@ ARCH_REL_TYPE_ABS += R_390_GOT|R_390_PLT include $(srctree)/lib/vdso/Makefile obj-vdso64 = vdso_user_wrapper.o note.o obj-cvdso64 = vdso64_generic.o getcpu.o -CFLAGS_REMOVE_getcpu.o = -pg $(CC_FLAGS_FTRACE) $(CC_FLAGS_EXPOLINE) -CFLAGS_REMOVE_vdso64_generic.o = -pg $(CC_FLAGS_FTRACE) $(CC_FLAGS_EXPOLINE) +VDSO_CFLAGS_REMOVE := -pg $(CC_FLAGS_FTRACE) $(CC_FLAGS_EXPOLINE) $(CC_FLAGS_CHECK_STACK) +CFLAGS_REMOVE_getcpu.o = $(VDSO_CFLAGS_REMOVE) +CFLAGS_REMOVE_vdso64_generic.o = $(VDSO_CFLAGS_REMOVE) # Build rules @@ -25,7 +26,7 @@ KBUILD_AFLAGS_64 += -m64 -s KBUILD_CFLAGS_64 := $(filter-out -m64,$(KBUILD_CFLAGS)) KBUILD_CFLAGS_64 += -m64 -fPIC -shared -fno-common -fno-builtin -ldflags-y := -fPIC -shared -nostdlib -soname=linux-vdso64.so.1 \ +ldflags-y := -fPIC -shared -soname=linux-vdso64.so.1 \ --hash-style=both --build-id=sha1 -T $(targets:%=$(obj)/%.dbg): KBUILD_CFLAGS = $(KBUILD_CFLAGS_64) diff --git a/arch/s390/kvm/kvm-s390.c b/arch/s390/kvm/kvm-s390.c index c6257f625929..14a18ba5ff2c 100644 --- a/arch/s390/kvm/kvm-s390.c +++ b/arch/s390/kvm/kvm-s390.c @@ -585,6 +585,8 @@ int kvm_vm_ioctl_check_extension(struct kvm *kvm, long ext) r = KVM_MAX_VCPUS; else if (sclp.has_esca && sclp.has_64bscao) r = KVM_S390_ESCA_CPU_SLOTS; + if (ext == KVM_CAP_NR_VCPUS) + r = min_t(unsigned int, num_online_cpus(), r); break; case KVM_CAP_S390_COW: r = MACHINE_HAS_ESOP; diff --git a/arch/sparc/kernel/signal_32.c b/arch/sparc/kernel/signal_32.c index cd677bc564a7..ffab16369bea 100644 --- a/arch/sparc/kernel/signal_32.c +++ b/arch/sparc/kernel/signal_32.c @@ -244,7 +244,7 @@ static int setup_frame(struct ksignal *ksig, struct pt_regs *regs, get_sigframe(ksig, regs, sigframe_size); if (invalid_frame_pointer(sf, sigframe_size)) { - force_fatal_sig(SIGILL); + force_exit_sig(SIGILL); return -EINVAL; } @@ -336,7 +336,7 @@ static int setup_rt_frame(struct ksignal *ksig, struct pt_regs *regs, sf = (struct rt_signal_frame __user *) get_sigframe(ksig, regs, sigframe_size); if (invalid_frame_pointer(sf, sigframe_size)) { - force_fatal_sig(SIGILL); + force_exit_sig(SIGILL); return -EINVAL; } diff --git a/arch/sparc/kernel/windows.c b/arch/sparc/kernel/windows.c index bbbd40cc6b28..8f20862ccc83 100644 --- a/arch/sparc/kernel/windows.c +++ b/arch/sparc/kernel/windows.c @@ -122,7 +122,7 @@ void try_to_clear_window_buffer(struct pt_regs *regs, int who) if ((sp & 7) || copy_to_user((char __user *) sp, &tp->reg_window[window], sizeof(struct reg_window32))) { - force_fatal_sig(SIGILL); + force_exit_sig(SIGILL); return; } } diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig index 95dd1ee01546..7399327d1eff 100644 --- a/arch/x86/Kconfig +++ b/arch/x86/Kconfig @@ -193,7 +193,7 @@ config X86 select HAVE_DYNAMIC_FTRACE_WITH_ARGS if X86_64 select HAVE_DYNAMIC_FTRACE_WITH_DIRECT_CALLS select HAVE_SAMPLE_FTRACE_DIRECT if X86_64 - select HAVE_SAMPLE_FTRACE_MULTI_DIRECT if X86_64 + select HAVE_SAMPLE_FTRACE_DIRECT_MULTI if X86_64 select HAVE_EBPF_JIT select HAVE_EFFICIENT_UNALIGNED_ACCESS select HAVE_EISA diff --git a/arch/x86/entry/vsyscall/vsyscall_64.c b/arch/x86/entry/vsyscall/vsyscall_64.c index 0b6b277ee050..fd2ee9408e91 100644 --- a/arch/x86/entry/vsyscall/vsyscall_64.c +++ b/arch/x86/entry/vsyscall/vsyscall_64.c @@ -226,7 +226,7 @@ bool emulate_vsyscall(unsigned long error_code, if ((!tmp && regs->orig_ax != syscall_nr) || regs->ip != address) { warn_bad_vsyscall(KERN_DEBUG, regs, "seccomp tried to change syscall nr or ip"); - force_fatal_sig(SIGSYS); + force_exit_sig(SIGSYS); return true; } regs->orig_ax = -1; diff --git a/arch/x86/events/intel/core.c b/arch/x86/events/intel/core.c index 42cf01ecdd13..ec6444f2c9dc 100644 --- a/arch/x86/events/intel/core.c +++ b/arch/x86/events/intel/core.c @@ -2211,7 +2211,6 @@ intel_pmu_snapshot_branch_stack(struct perf_branch_entry *entries, unsigned int /* must not have branches... */ local_irq_save(flags); __intel_pmu_disable_all(false); /* we don't care about BTS */ - __intel_pmu_pebs_disable_all(); __intel_pmu_lbr_disable(); /* ... until here */ return __intel_pmu_snapshot_branch_stack(entries, cnt, flags); @@ -2225,7 +2224,6 @@ intel_pmu_snapshot_arch_branch_stack(struct perf_branch_entry *entries, unsigned /* must not have branches... */ local_irq_save(flags); __intel_pmu_disable_all(false); /* we don't care about BTS */ - __intel_pmu_pebs_disable_all(); __intel_pmu_arch_lbr_disable(); /* ... until here */ return __intel_pmu_snapshot_branch_stack(entries, cnt, flags); diff --git a/arch/x86/events/intel/uncore_snbep.c b/arch/x86/events/intel/uncore_snbep.c index eb2c6cea9d0d..3660f698fb2a 100644 --- a/arch/x86/events/intel/uncore_snbep.c +++ b/arch/x86/events/intel/uncore_snbep.c @@ -3608,6 +3608,9 @@ static int skx_cha_hw_config(struct intel_uncore_box *box, struct perf_event *ev struct hw_perf_event_extra *reg1 = &event->hw.extra_reg; struct extra_reg *er; int idx = 0; + /* Any of the CHA events may be filtered by Thread/Core-ID.*/ + if (event->hw.config & SNBEP_CBO_PMON_CTL_TID_EN) + idx = SKX_CHA_MSR_PMON_BOX_FILTER_TID; for (er = skx_uncore_cha_extra_regs; er->msr; er++) { if (er->event != (event->hw.config & er->config_mask)) @@ -3675,6 +3678,7 @@ static struct event_constraint skx_uncore_iio_constraints[] = { UNCORE_EVENT_CONSTRAINT(0xc0, 0xc), UNCORE_EVENT_CONSTRAINT(0xc5, 0xc), UNCORE_EVENT_CONSTRAINT(0xd4, 0xc), + UNCORE_EVENT_CONSTRAINT(0xd5, 0xc), EVENT_CONSTRAINT_END }; @@ -4525,6 +4529,13 @@ static void snr_iio_cleanup_mapping(struct intel_uncore_type *type) pmu_iio_cleanup_mapping(type, &snr_iio_mapping_group); } +static struct event_constraint snr_uncore_iio_constraints[] = { + UNCORE_EVENT_CONSTRAINT(0x83, 0x3), + UNCORE_EVENT_CONSTRAINT(0xc0, 0xc), + UNCORE_EVENT_CONSTRAINT(0xd5, 0xc), + EVENT_CONSTRAINT_END +}; + static struct intel_uncore_type snr_uncore_iio = { .name = "iio", .num_counters = 4, @@ -4536,6 +4547,7 @@ static struct intel_uncore_type snr_uncore_iio = { .event_mask_ext = SNR_IIO_PMON_RAW_EVENT_MASK_EXT, .box_ctl = SNR_IIO_MSR_PMON_BOX_CTL, .msr_offset = SNR_IIO_MSR_OFFSET, + .constraints = snr_uncore_iio_constraints, .ops = &ivbep_uncore_msr_ops, .format_group = &snr_uncore_iio_format_group, .attr_update = snr_iio_attr_update, diff --git a/arch/x86/hyperv/hv_init.c b/arch/x86/hyperv/hv_init.c index 24f4a06ac46a..96eb7db31c8e 100644 --- a/arch/x86/hyperv/hv_init.c +++ b/arch/x86/hyperv/hv_init.c @@ -177,6 +177,9 @@ void set_hv_tscchange_cb(void (*cb)(void)) return; } + if (!hv_vp_index) + return; + hv_reenlightenment_cb = cb; /* Make sure callback is registered before we write to MSRs */ @@ -383,20 +386,13 @@ static void __init hv_get_partition_id(void) */ void __init hyperv_init(void) { - u64 guest_id, required_msrs; + u64 guest_id; union hv_x64_msr_hypercall_contents hypercall_msr; int cpuhp; if (x86_hyper_type != X86_HYPER_MS_HYPERV) return; - /* Absolutely required MSRs */ - required_msrs = HV_MSR_HYPERCALL_AVAILABLE | - HV_MSR_VP_INDEX_AVAILABLE; - - if ((ms_hyperv.features & required_msrs) != required_msrs) - return; - if (hv_common_init()) return; diff --git a/arch/x86/include/asm/kvm_host.h b/arch/x86/include/asm/kvm_host.h index e5d8700319cc..6ac61f85e07b 100644 --- a/arch/x86/include/asm/kvm_host.h +++ b/arch/x86/include/asm/kvm_host.h @@ -363,6 +363,7 @@ union kvm_mmu_extended_role { unsigned int cr4_smap:1; unsigned int cr4_smep:1; unsigned int cr4_la57:1; + unsigned int efer_lma:1; }; }; diff --git a/arch/x86/kernel/cpu/mshyperv.c b/arch/x86/kernel/cpu/mshyperv.c index 4794b716ec79..ff55df60228f 100644 --- a/arch/x86/kernel/cpu/mshyperv.c +++ b/arch/x86/kernel/cpu/mshyperv.c @@ -163,12 +163,22 @@ static uint32_t __init ms_hyperv_platform(void) cpuid(HYPERV_CPUID_VENDOR_AND_MAX_FUNCTIONS, &eax, &hyp_signature[0], &hyp_signature[1], &hyp_signature[2]); - if (eax >= HYPERV_CPUID_MIN && - eax <= HYPERV_CPUID_MAX && - !memcmp("Microsoft Hv", hyp_signature, 12)) - return HYPERV_CPUID_VENDOR_AND_MAX_FUNCTIONS; + if (eax < HYPERV_CPUID_MIN || eax > HYPERV_CPUID_MAX || + memcmp("Microsoft Hv", hyp_signature, 12)) + return 0; - return 0; + /* HYPERCALL and VP_INDEX MSRs are mandatory for all features. */ + eax = cpuid_eax(HYPERV_CPUID_FEATURES); + if (!(eax & HV_MSR_HYPERCALL_AVAILABLE)) { + pr_warn("x86/hyperv: HYPERCALL MSR not available.\n"); + return 0; + } + if (!(eax & HV_MSR_VP_INDEX_AVAILABLE)) { + pr_warn("x86/hyperv: VP_INDEX MSR not available.\n"); + return 0; + } + + return HYPERV_CPUID_VENDOR_AND_MAX_FUNCTIONS; } static unsigned char hv_get_nmi_reason(void) diff --git a/arch/x86/kernel/cpu/sgx/main.c b/arch/x86/kernel/cpu/sgx/main.c index 63d3de02bbcc..8471a8b9b48e 100644 --- a/arch/x86/kernel/cpu/sgx/main.c +++ b/arch/x86/kernel/cpu/sgx/main.c @@ -28,8 +28,7 @@ static DECLARE_WAIT_QUEUE_HEAD(ksgxd_waitq); static LIST_HEAD(sgx_active_page_list); static DEFINE_SPINLOCK(sgx_reclaimer_lock); -/* The free page list lock protected variables prepend the lock. */ -static unsigned long sgx_nr_free_pages; +static atomic_long_t sgx_nr_free_pages = ATOMIC_LONG_INIT(0); /* Nodes with one or more EPC sections. */ static nodemask_t sgx_numa_mask; @@ -403,14 +402,15 @@ skip: spin_lock(&node->lock); list_add_tail(&epc_page->list, &node->free_page_list); - sgx_nr_free_pages++; spin_unlock(&node->lock); + atomic_long_inc(&sgx_nr_free_pages); } } static bool sgx_should_reclaim(unsigned long watermark) { - return sgx_nr_free_pages < watermark && !list_empty(&sgx_active_page_list); + return atomic_long_read(&sgx_nr_free_pages) < watermark && + !list_empty(&sgx_active_page_list); } static int ksgxd(void *p) @@ -471,9 +471,9 @@ static struct sgx_epc_page *__sgx_alloc_epc_page_from_node(int nid) page = list_first_entry(&node->free_page_list, struct sgx_epc_page, list); list_del_init(&page->list); - sgx_nr_free_pages--; spin_unlock(&node->lock); + atomic_long_dec(&sgx_nr_free_pages); return page; } @@ -625,9 +625,9 @@ void sgx_free_epc_page(struct sgx_epc_page *page) spin_lock(&node->lock); list_add_tail(&page->list, &node->free_page_list); - sgx_nr_free_pages++; spin_unlock(&node->lock); + atomic_long_inc(&sgx_nr_free_pages); } static bool __init sgx_setup_epc_section(u64 phys_addr, u64 size, diff --git a/arch/x86/kernel/process.c b/arch/x86/kernel/process.c index e9ee8b526319..04143a653a8a 100644 --- a/arch/x86/kernel/process.c +++ b/arch/x86/kernel/process.c @@ -964,6 +964,9 @@ unsigned long __get_wchan(struct task_struct *p) struct unwind_state state; unsigned long addr = 0; + if (!try_get_task_stack(p)) + return 0; + for (unwind_start(&state, p, NULL, NULL); !unwind_done(&state); unwind_next_frame(&state)) { addr = unwind_get_return_address(&state); @@ -974,6 +977,8 @@ unsigned long __get_wchan(struct task_struct *p) break; } + put_task_stack(p); + return addr; } diff --git a/arch/x86/kernel/setup.c b/arch/x86/kernel/setup.c index 49b596db5631..c410be738ae7 100644 --- a/arch/x86/kernel/setup.c +++ b/arch/x86/kernel/setup.c @@ -742,6 +742,28 @@ dump_kernel_offset(struct notifier_block *self, unsigned long v, void *p) return 0; } +static char *prepare_command_line(void) +{ +#ifdef CONFIG_CMDLINE_BOOL +#ifdef CONFIG_CMDLINE_OVERRIDE + strlcpy(boot_command_line, builtin_cmdline, COMMAND_LINE_SIZE); +#else + if (builtin_cmdline[0]) { + /* append boot loader cmdline to builtin */ + strlcat(builtin_cmdline, " ", COMMAND_LINE_SIZE); + strlcat(builtin_cmdline, boot_command_line, COMMAND_LINE_SIZE); + strlcpy(boot_command_line, builtin_cmdline, COMMAND_LINE_SIZE); + } +#endif +#endif + + strlcpy(command_line, boot_command_line, COMMAND_LINE_SIZE); + + parse_early_param(); + + return command_line; +} + /* * Determine if we were loaded by an EFI loader. If so, then we have also been * passed the efi memmap, systab, etc., so we should use these data structures @@ -830,6 +852,23 @@ void __init setup_arch(char **cmdline_p) x86_init.oem.arch_setup(); + /* + * x86_configure_nx() is called before parse_early_param() (called by + * prepare_command_line()) to detect whether hardware doesn't support + * NX (so that the early EHCI debug console setup can safely call + * set_fixmap()). It may then be called again from within noexec_setup() + * during parsing early parameters to honor the respective command line + * option. + */ + x86_configure_nx(); + + /* + * This parses early params and it needs to run before + * early_reserve_memory() because latter relies on such settings + * supplied as early params. + */ + *cmdline_p = prepare_command_line(); + /* * Do some memory reservations *before* memory is added to memblock, so * memblock allocations won't overwrite it. @@ -863,33 +902,6 @@ void __init setup_arch(char **cmdline_p) bss_resource.start = __pa_symbol(__bss_start); bss_resource.end = __pa_symbol(__bss_stop)-1; -#ifdef CONFIG_CMDLINE_BOOL -#ifdef CONFIG_CMDLINE_OVERRIDE - strlcpy(boot_command_line, builtin_cmdline, COMMAND_LINE_SIZE); -#else - if (builtin_cmdline[0]) { - /* append boot loader cmdline to builtin */ - strlcat(builtin_cmdline, " ", COMMAND_LINE_SIZE); - strlcat(builtin_cmdline, boot_command_line, COMMAND_LINE_SIZE); - strlcpy(boot_command_line, builtin_cmdline, COMMAND_LINE_SIZE); - } -#endif -#endif - - strlcpy(command_line, boot_command_line, COMMAND_LINE_SIZE); - *cmdline_p = command_line; - - /* - * x86_configure_nx() is called before parse_early_param() to detect - * whether hardware doesn't support NX (so that the early EHCI debug - * console setup can safely call set_fixmap()). It may then be called - * again from within noexec_setup() during parsing early parameters - * to honor the respective command line option. - */ - x86_configure_nx(); - - parse_early_param(); - #ifdef CONFIG_MEMORY_HOTPLUG /* * Memory used by the kernel cannot be hot-removed because Linux diff --git a/arch/x86/kernel/vm86_32.c b/arch/x86/kernel/vm86_32.c index cce1c89cb7df..c21bcd668284 100644 --- a/arch/x86/kernel/vm86_32.c +++ b/arch/x86/kernel/vm86_32.c @@ -160,7 +160,7 @@ Efault_end: user_access_end(); Efault: pr_alert("could not access userspace vm86 info\n"); - force_fatal_sig(SIGSEGV); + force_exit_sig(SIGSEGV); goto exit_vm86; } diff --git a/arch/x86/kvm/cpuid.c b/arch/x86/kvm/cpuid.c index e19dabf1848b..07e9215e911d 100644 --- a/arch/x86/kvm/cpuid.c +++ b/arch/x86/kvm/cpuid.c @@ -125,7 +125,7 @@ static void kvm_update_kvm_cpuid_base(struct kvm_vcpu *vcpu) } } -struct kvm_cpuid_entry2 *kvm_find_kvm_cpuid_features(struct kvm_vcpu *vcpu) +static struct kvm_cpuid_entry2 *kvm_find_kvm_cpuid_features(struct kvm_vcpu *vcpu) { u32 base = vcpu->arch.kvm_cpuid_base; diff --git a/arch/x86/kvm/hyperv.c b/arch/x86/kvm/hyperv.c index 4a555f32885a..5e19e6e4c2ce 100644 --- a/arch/x86/kvm/hyperv.c +++ b/arch/x86/kvm/hyperv.c @@ -2022,7 +2022,7 @@ static void kvm_hv_hypercall_set_result(struct kvm_vcpu *vcpu, u64 result) { bool longmode; - longmode = is_64_bit_mode(vcpu); + longmode = is_64_bit_hypercall(vcpu); if (longmode) kvm_rax_write(vcpu, result); else { @@ -2171,7 +2171,7 @@ int kvm_hv_hypercall(struct kvm_vcpu *vcpu) } #ifdef CONFIG_X86_64 - if (is_64_bit_mode(vcpu)) { + if (is_64_bit_hypercall(vcpu)) { hc.param = kvm_rcx_read(vcpu); hc.ingpa = kvm_rdx_read(vcpu); hc.outgpa = kvm_r8_read(vcpu); diff --git a/arch/x86/kvm/mmu/mmu.c b/arch/x86/kvm/mmu/mmu.c index 33794379949e..3be9beea838d 100644 --- a/arch/x86/kvm/mmu/mmu.c +++ b/arch/x86/kvm/mmu/mmu.c @@ -4682,6 +4682,7 @@ static union kvm_mmu_extended_role kvm_calc_mmu_role_ext(struct kvm_vcpu *vcpu, /* PKEY and LA57 are active iff long mode is active. */ ext.cr4_pke = ____is_efer_lma(regs) && ____is_cr4_pke(regs); ext.cr4_la57 = ____is_efer_lma(regs) && ____is_cr4_la57(regs); + ext.efer_lma = ____is_efer_lma(regs); } ext.valid = 1; diff --git a/arch/x86/kvm/svm/sev.c b/arch/x86/kvm/svm/sev.c index 902c52a8dd0c..21ac0a5de4e0 100644 --- a/arch/x86/kvm/svm/sev.c +++ b/arch/x86/kvm/svm/sev.c @@ -237,7 +237,6 @@ static void sev_unbind_asid(struct kvm *kvm, unsigned int handle) static int sev_guest_init(struct kvm *kvm, struct kvm_sev_cmd *argp) { struct kvm_sev_info *sev = &to_kvm_svm(kvm)->sev_info; - bool es_active = argp->id == KVM_SEV_ES_INIT; int asid, ret; if (kvm->created_vcpus) @@ -247,7 +246,8 @@ static int sev_guest_init(struct kvm *kvm, struct kvm_sev_cmd *argp) if (unlikely(sev->active)) return ret; - sev->es_active = es_active; + sev->active = true; + sev->es_active = argp->id == KVM_SEV_ES_INIT; asid = sev_asid_new(sev); if (asid < 0) goto e_no_asid; @@ -257,8 +257,6 @@ static int sev_guest_init(struct kvm *kvm, struct kvm_sev_cmd *argp) if (ret) goto e_free; - sev->active = true; - sev->asid = asid; INIT_LIST_HEAD(&sev->regions_list); return 0; @@ -268,6 +266,7 @@ e_free: sev->asid = 0; e_no_asid: sev->es_active = false; + sev->active = false; return ret; } @@ -1530,7 +1529,7 @@ static int sev_receive_finish(struct kvm *kvm, struct kvm_sev_cmd *argp) return sev_issue_cmd(kvm, SEV_CMD_RECEIVE_FINISH, &data, &argp->error); } -static bool cmd_allowed_from_miror(u32 cmd_id) +static bool is_cmd_allowed_from_mirror(u32 cmd_id) { /* * Allow mirrors VM to call KVM_SEV_LAUNCH_UPDATE_VMSA to enable SEV-ES @@ -1757,7 +1756,7 @@ int svm_mem_enc_op(struct kvm *kvm, void __user *argp) /* Only the enc_context_owner handles some memory enc operations. */ if (is_mirroring_enc_context(kvm) && - !cmd_allowed_from_miror(sev_cmd.id)) { + !is_cmd_allowed_from_mirror(sev_cmd.id)) { r = -EINVAL; goto out; } @@ -1990,7 +1989,12 @@ int svm_vm_copy_asid_from(struct kvm *kvm, unsigned int source_fd) mutex_unlock(&source_kvm->lock); mutex_lock(&kvm->lock); - if (sev_guest(kvm)) { + /* + * Disallow out-of-band SEV/SEV-ES init if the target is already an + * SEV guest, or if vCPUs have been created. KVM relies on vCPUs being + * created after SEV/SEV-ES initialization, e.g. to init intercepts. + */ + if (sev_guest(kvm) || kvm->created_vcpus) { ret = -EINVAL; goto e_mirror_unlock; } diff --git a/arch/x86/kvm/svm/svm.h b/arch/x86/kvm/svm/svm.h index 437e68504e66..5faad3dc10e2 100644 --- a/arch/x86/kvm/svm/svm.h +++ b/arch/x86/kvm/svm/svm.h @@ -247,7 +247,7 @@ static __always_inline bool sev_es_guest(struct kvm *kvm) #ifdef CONFIG_KVM_AMD_SEV struct kvm_sev_info *sev = &to_kvm_svm(kvm)->sev_info; - return sev_guest(kvm) && sev->es_active; + return sev->es_active && !WARN_ON_ONCE(!sev->active); #else return false; #endif diff --git a/arch/x86/kvm/vmx/nested.c b/arch/x86/kvm/vmx/nested.c index b213ca966d41..1e2f66951566 100644 --- a/arch/x86/kvm/vmx/nested.c +++ b/arch/x86/kvm/vmx/nested.c @@ -670,33 +670,39 @@ static inline bool nested_vmx_prepare_msr_bitmap(struct kvm_vcpu *vcpu, static void nested_cache_shadow_vmcs12(struct kvm_vcpu *vcpu, struct vmcs12 *vmcs12) { - struct kvm_host_map map; - struct vmcs12 *shadow; + struct vcpu_vmx *vmx = to_vmx(vcpu); + struct gfn_to_hva_cache *ghc = &vmx->nested.shadow_vmcs12_cache; if (!nested_cpu_has_shadow_vmcs(vmcs12) || vmcs12->vmcs_link_pointer == INVALID_GPA) return; - shadow = get_shadow_vmcs12(vcpu); - - if (kvm_vcpu_map(vcpu, gpa_to_gfn(vmcs12->vmcs_link_pointer), &map)) + if (ghc->gpa != vmcs12->vmcs_link_pointer && + kvm_gfn_to_hva_cache_init(vcpu->kvm, ghc, + vmcs12->vmcs_link_pointer, VMCS12_SIZE)) return; - memcpy(shadow, map.hva, VMCS12_SIZE); - kvm_vcpu_unmap(vcpu, &map, false); + kvm_read_guest_cached(vmx->vcpu.kvm, ghc, get_shadow_vmcs12(vcpu), + VMCS12_SIZE); } static void nested_flush_cached_shadow_vmcs12(struct kvm_vcpu *vcpu, struct vmcs12 *vmcs12) { struct vcpu_vmx *vmx = to_vmx(vcpu); + struct gfn_to_hva_cache *ghc = &vmx->nested.shadow_vmcs12_cache; if (!nested_cpu_has_shadow_vmcs(vmcs12) || vmcs12->vmcs_link_pointer == INVALID_GPA) return; - kvm_write_guest(vmx->vcpu.kvm, vmcs12->vmcs_link_pointer, - get_shadow_vmcs12(vcpu), VMCS12_SIZE); + if (ghc->gpa != vmcs12->vmcs_link_pointer && + kvm_gfn_to_hva_cache_init(vcpu->kvm, ghc, + vmcs12->vmcs_link_pointer, VMCS12_SIZE)) + return; + + kvm_write_guest_cached(vmx->vcpu.kvm, ghc, get_shadow_vmcs12(vcpu), + VMCS12_SIZE); } /* @@ -2830,6 +2836,17 @@ static int nested_vmx_check_controls(struct kvm_vcpu *vcpu, return 0; } +static int nested_vmx_check_address_space_size(struct kvm_vcpu *vcpu, + struct vmcs12 *vmcs12) +{ +#ifdef CONFIG_X86_64 + if (CC(!!(vmcs12->vm_exit_controls & VM_EXIT_HOST_ADDR_SPACE_SIZE) != + !!(vcpu->arch.efer & EFER_LMA))) + return -EINVAL; +#endif + return 0; +} + static int nested_vmx_check_host_state(struct kvm_vcpu *vcpu, struct vmcs12 *vmcs12) { @@ -2854,18 +2871,16 @@ static int nested_vmx_check_host_state(struct kvm_vcpu *vcpu, return -EINVAL; #ifdef CONFIG_X86_64 - ia32e = !!(vcpu->arch.efer & EFER_LMA); + ia32e = !!(vmcs12->vm_exit_controls & VM_EXIT_HOST_ADDR_SPACE_SIZE); #else ia32e = false; #endif if (ia32e) { - if (CC(!(vmcs12->vm_exit_controls & VM_EXIT_HOST_ADDR_SPACE_SIZE)) || - CC(!(vmcs12->host_cr4 & X86_CR4_PAE))) + if (CC(!(vmcs12->host_cr4 & X86_CR4_PAE))) return -EINVAL; } else { - if (CC(vmcs12->vm_exit_controls & VM_EXIT_HOST_ADDR_SPACE_SIZE) || - CC(vmcs12->vm_entry_controls & VM_ENTRY_IA32E_MODE) || + if (CC(vmcs12->vm_entry_controls & VM_ENTRY_IA32E_MODE) || CC(vmcs12->host_cr4 & X86_CR4_PCIDE) || CC((vmcs12->host_rip) >> 32)) return -EINVAL; @@ -2910,9 +2925,9 @@ static int nested_vmx_check_host_state(struct kvm_vcpu *vcpu, static int nested_vmx_check_vmcs_link_ptr(struct kvm_vcpu *vcpu, struct vmcs12 *vmcs12) { - int r = 0; - struct vmcs12 *shadow; - struct kvm_host_map map; + struct vcpu_vmx *vmx = to_vmx(vcpu); + struct gfn_to_hva_cache *ghc = &vmx->nested.shadow_vmcs12_cache; + struct vmcs_hdr hdr; if (vmcs12->vmcs_link_pointer == INVALID_GPA) return 0; @@ -2920,17 +2935,21 @@ static int nested_vmx_check_vmcs_link_ptr(struct kvm_vcpu *vcpu, if (CC(!page_address_valid(vcpu, vmcs12->vmcs_link_pointer))) return -EINVAL; - if (CC(kvm_vcpu_map(vcpu, gpa_to_gfn(vmcs12->vmcs_link_pointer), &map))) + if (ghc->gpa != vmcs12->vmcs_link_pointer && + CC(kvm_gfn_to_hva_cache_init(vcpu->kvm, ghc, + vmcs12->vmcs_link_pointer, VMCS12_SIZE))) + return -EINVAL; + + if (CC(kvm_read_guest_offset_cached(vcpu->kvm, ghc, &hdr, + offsetof(struct vmcs12, hdr), + sizeof(hdr)))) return -EINVAL; - shadow = map.hva; + if (CC(hdr.revision_id != VMCS12_REVISION) || + CC(hdr.shadow_vmcs != nested_cpu_has_shadow_vmcs(vmcs12))) + return -EINVAL; - if (CC(shadow->hdr.revision_id != VMCS12_REVISION) || - CC(shadow->hdr.shadow_vmcs != nested_cpu_has_shadow_vmcs(vmcs12))) - r = -EINVAL; - - kvm_vcpu_unmap(vcpu, &map, false); - return r; + return 0; } /* @@ -3535,6 +3554,9 @@ static int nested_vmx_run(struct kvm_vcpu *vcpu, bool launch) if (nested_vmx_check_controls(vcpu, vmcs12)) return nested_vmx_fail(vcpu, VMXERR_ENTRY_INVALID_CONTROL_FIELD); + if (nested_vmx_check_address_space_size(vcpu, vmcs12)) + return nested_vmx_fail(vcpu, VMXERR_ENTRY_INVALID_HOST_STATE_FIELD); + if (nested_vmx_check_host_state(vcpu, vmcs12)) return nested_vmx_fail(vcpu, VMXERR_ENTRY_INVALID_HOST_STATE_FIELD); @@ -5264,10 +5286,11 @@ static int handle_vmptrld(struct kvm_vcpu *vcpu) return 1; if (vmx->nested.current_vmptr != vmptr) { - struct kvm_host_map map; - struct vmcs12 *new_vmcs12; + struct gfn_to_hva_cache *ghc = &vmx->nested.vmcs12_cache; + struct vmcs_hdr hdr; - if (kvm_vcpu_map(vcpu, gpa_to_gfn(vmptr), &map)) { + if (ghc->gpa != vmptr && + kvm_gfn_to_hva_cache_init(vcpu->kvm, ghc, vmptr, VMCS12_SIZE)) { /* * Reads from an unbacked page return all 1s, * which means that the 32 bits located at the @@ -5278,12 +5301,16 @@ static int handle_vmptrld(struct kvm_vcpu *vcpu) VMXERR_VMPTRLD_INCORRECT_VMCS_REVISION_ID); } - new_vmcs12 = map.hva; + if (kvm_read_guest_offset_cached(vcpu->kvm, ghc, &hdr, + offsetof(struct vmcs12, hdr), + sizeof(hdr))) { + return nested_vmx_fail(vcpu, + VMXERR_VMPTRLD_INCORRECT_VMCS_REVISION_ID); + } - if (new_vmcs12->hdr.revision_id != VMCS12_REVISION || - (new_vmcs12->hdr.shadow_vmcs && + if (hdr.revision_id != VMCS12_REVISION || + (hdr.shadow_vmcs && !nested_cpu_has_vmx_shadow_vmcs(vcpu))) { - kvm_vcpu_unmap(vcpu, &map, false); return nested_vmx_fail(vcpu, VMXERR_VMPTRLD_INCORRECT_VMCS_REVISION_ID); } @@ -5294,8 +5321,11 @@ static int handle_vmptrld(struct kvm_vcpu *vcpu) * Load VMCS12 from guest memory since it is not already * cached. */ - memcpy(vmx->nested.cached_vmcs12, new_vmcs12, VMCS12_SIZE); - kvm_vcpu_unmap(vcpu, &map, false); + if (kvm_read_guest_cached(vcpu->kvm, ghc, vmx->nested.cached_vmcs12, + VMCS12_SIZE)) { + return nested_vmx_fail(vcpu, + VMXERR_VMPTRLD_INCORRECT_VMCS_REVISION_ID); + } set_current_vmptr(vmx, vmptr); } diff --git a/arch/x86/kvm/vmx/vmx.h b/arch/x86/kvm/vmx/vmx.h index a4ead6023133..4df2ac24ffc1 100644 --- a/arch/x86/kvm/vmx/vmx.h +++ b/arch/x86/kvm/vmx/vmx.h @@ -141,6 +141,16 @@ struct nested_vmx { */ struct vmcs12 *cached_shadow_vmcs12; + /* + * GPA to HVA cache for accessing vmcs12->vmcs_link_pointer + */ + struct gfn_to_hva_cache shadow_vmcs12_cache; + + /* + * GPA to HVA cache for VMCS12 + */ + struct gfn_to_hva_cache vmcs12_cache; + /* * Indicates if the shadow vmcs or enlightened vmcs must be updated * with the data held by struct vmcs12. diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c index dc7eb5fddfd3..5a403d92833f 100644 --- a/arch/x86/kvm/x86.c +++ b/arch/x86/kvm/x86.c @@ -3307,9 +3307,9 @@ static void record_steal_time(struct kvm_vcpu *vcpu) "xor %1, %1\n" "2:\n" _ASM_EXTABLE_UA(1b, 2b) - : "+r" (st_preempted), - "+&r" (err) - : "m" (st->preempted)); + : "+q" (st_preempted), + "+&r" (err), + "+m" (st->preempted)); if (err) goto out; @@ -4179,7 +4179,7 @@ int kvm_vm_ioctl_check_extension(struct kvm *kvm, long ext) r = !static_call(kvm_x86_cpu_has_accelerated_tpr)(); break; case KVM_CAP_NR_VCPUS: - r = num_online_cpus(); + r = min_t(unsigned int, num_online_cpus(), KVM_MAX_VCPUS); break; case KVM_CAP_MAX_VCPUS: r = KVM_MAX_VCPUS; @@ -8848,7 +8848,7 @@ int kvm_emulate_hypercall(struct kvm_vcpu *vcpu) trace_kvm_hypercall(nr, a0, a1, a2, a3); - op_64_bit = is_64_bit_mode(vcpu); + op_64_bit = is_64_bit_hypercall(vcpu); if (!op_64_bit) { nr &= 0xFFFFFFFF; a0 &= 0xFFFFFFFF; @@ -9547,12 +9547,16 @@ static void vcpu_load_eoi_exitmap(struct kvm_vcpu *vcpu) if (!kvm_apic_hw_enabled(vcpu->arch.apic)) return; - if (to_hv_vcpu(vcpu)) + if (to_hv_vcpu(vcpu)) { bitmap_or((ulong *)eoi_exit_bitmap, vcpu->arch.ioapic_handled_vectors, to_hv_synic(vcpu)->vec_bitmap, 256); + static_call(kvm_x86_load_eoi_exitmap)(vcpu, eoi_exit_bitmap); + return; + } - static_call(kvm_x86_load_eoi_exitmap)(vcpu, eoi_exit_bitmap); + static_call(kvm_x86_load_eoi_exitmap)( + vcpu, (u64 *)vcpu->arch.ioapic_handled_vectors); } void kvm_arch_mmu_notifier_invalidate_range(struct kvm *kvm, diff --git a/arch/x86/kvm/x86.h b/arch/x86/kvm/x86.h index ea264c4502e4..997669ae9caa 100644 --- a/arch/x86/kvm/x86.h +++ b/arch/x86/kvm/x86.h @@ -153,12 +153,24 @@ static inline bool is_64_bit_mode(struct kvm_vcpu *vcpu) { int cs_db, cs_l; + WARN_ON_ONCE(vcpu->arch.guest_state_protected); + if (!is_long_mode(vcpu)) return false; static_call(kvm_x86_get_cs_db_l_bits)(vcpu, &cs_db, &cs_l); return cs_l; } +static inline bool is_64_bit_hypercall(struct kvm_vcpu *vcpu) +{ + /* + * If running with protected guest state, the CS register is not + * accessible. The hypercall register values will have had to been + * provided in 64-bit mode, so assume the guest is in 64-bit. + */ + return vcpu->arch.guest_state_protected || is_64_bit_mode(vcpu); +} + static inline bool x86_exception_has_error_code(unsigned int vector) { static u32 exception_has_error_code = BIT(DF_VECTOR) | BIT(TS_VECTOR) | diff --git a/arch/x86/kvm/xen.c b/arch/x86/kvm/xen.c index 8f62baebd028..dff2bdf9507a 100644 --- a/arch/x86/kvm/xen.c +++ b/arch/x86/kvm/xen.c @@ -127,9 +127,9 @@ void kvm_xen_update_runstate_guest(struct kvm_vcpu *v, int state) state_entry_time = vx->runstate_entry_time; state_entry_time |= XEN_RUNSTATE_UPDATE; - BUILD_BUG_ON(sizeof(((struct vcpu_runstate_info *)0)->state_entry_time) != + BUILD_BUG_ON(sizeof_field(struct vcpu_runstate_info, state_entry_time) != sizeof(state_entry_time)); - BUILD_BUG_ON(sizeof(((struct compat_vcpu_runstate_info *)0)->state_entry_time) != + BUILD_BUG_ON(sizeof_field(struct compat_vcpu_runstate_info, state_entry_time) != sizeof(state_entry_time)); if (kvm_write_guest_offset_cached(v->kvm, &v->arch.xen.runstate_cache, @@ -144,9 +144,9 @@ void kvm_xen_update_runstate_guest(struct kvm_vcpu *v, int state) */ BUILD_BUG_ON(offsetof(struct vcpu_runstate_info, state) != offsetof(struct compat_vcpu_runstate_info, state)); - BUILD_BUG_ON(sizeof(((struct vcpu_runstate_info *)0)->state) != + BUILD_BUG_ON(sizeof_field(struct vcpu_runstate_info, state) != sizeof(vx->current_runstate)); - BUILD_BUG_ON(sizeof(((struct compat_vcpu_runstate_info *)0)->state) != + BUILD_BUG_ON(sizeof_field(struct compat_vcpu_runstate_info, state) != sizeof(vx->current_runstate)); if (kvm_write_guest_offset_cached(v->kvm, &v->arch.xen.runstate_cache, @@ -163,9 +163,9 @@ void kvm_xen_update_runstate_guest(struct kvm_vcpu *v, int state) offsetof(struct vcpu_runstate_info, time) - sizeof(u64)); BUILD_BUG_ON(offsetof(struct compat_vcpu_runstate_info, state_entry_time) != offsetof(struct compat_vcpu_runstate_info, time) - sizeof(u64)); - BUILD_BUG_ON(sizeof(((struct vcpu_runstate_info *)0)->time) != - sizeof(((struct compat_vcpu_runstate_info *)0)->time)); - BUILD_BUG_ON(sizeof(((struct vcpu_runstate_info *)0)->time) != + BUILD_BUG_ON(sizeof_field(struct vcpu_runstate_info, time) != + sizeof_field(struct compat_vcpu_runstate_info, time)); + BUILD_BUG_ON(sizeof_field(struct vcpu_runstate_info, time) != sizeof(vx->runstate_times)); if (kvm_write_guest_offset_cached(v->kvm, &v->arch.xen.runstate_cache, @@ -205,9 +205,9 @@ int __kvm_xen_has_interrupt(struct kvm_vcpu *v) BUILD_BUG_ON(offsetof(struct vcpu_info, evtchn_upcall_pending) != offsetof(struct compat_vcpu_info, evtchn_upcall_pending)); BUILD_BUG_ON(sizeof(rc) != - sizeof(((struct vcpu_info *)0)->evtchn_upcall_pending)); + sizeof_field(struct vcpu_info, evtchn_upcall_pending)); BUILD_BUG_ON(sizeof(rc) != - sizeof(((struct compat_vcpu_info *)0)->evtchn_upcall_pending)); + sizeof_field(struct compat_vcpu_info, evtchn_upcall_pending)); /* * For efficiency, this mirrors the checks for using the valid @@ -299,7 +299,7 @@ int kvm_xen_hvm_get_attr(struct kvm *kvm, struct kvm_xen_hvm_attr *data) break; case KVM_XEN_ATTR_TYPE_SHARED_INFO: - data->u.shared_info.gfn = gpa_to_gfn(kvm->arch.xen.shinfo_gfn); + data->u.shared_info.gfn = kvm->arch.xen.shinfo_gfn; r = 0; break; @@ -698,7 +698,7 @@ int kvm_xen_hypercall(struct kvm_vcpu *vcpu) kvm_hv_hypercall_enabled(vcpu)) return kvm_hv_hypercall(vcpu); - longmode = is_64_bit_mode(vcpu); + longmode = is_64_bit_hypercall(vcpu); if (!longmode) { params[0] = (u32)kvm_rbx_read(vcpu); params[1] = (u32)kvm_rcx_read(vcpu); diff --git a/block/blk-cgroup.c b/block/blk-cgroup.c index 88b1fce90520..663aabfeba18 100644 --- a/block/blk-cgroup.c +++ b/block/blk-cgroup.c @@ -640,7 +640,7 @@ int blkg_conf_prep(struct blkcg *blkcg, const struct blkcg_policy *pol, */ ret = blk_queue_enter(q, 0); if (ret) - return ret; + goto fail; rcu_read_lock(); spin_lock_irq(&q->queue_lock); @@ -676,13 +676,13 @@ int blkg_conf_prep(struct blkcg *blkcg, const struct blkcg_policy *pol, new_blkg = blkg_alloc(pos, q, GFP_KERNEL); if (unlikely(!new_blkg)) { ret = -ENOMEM; - goto fail; + goto fail_exit_queue; } if (radix_tree_preload(GFP_KERNEL)) { blkg_free(new_blkg); ret = -ENOMEM; - goto fail; + goto fail_exit_queue; } rcu_read_lock(); @@ -722,9 +722,10 @@ fail_preloaded: fail_unlock: spin_unlock_irq(&q->queue_lock); rcu_read_unlock(); +fail_exit_queue: + blk_queue_exit(q); fail: blkdev_put_no_open(bdev); - blk_queue_exit(q); /* * If queue was bypassing, we should retry. Do so after a * short msleep(). It isn't strictly necessary but queue diff --git a/block/blk-core.c b/block/blk-core.c index 9ee32f85d74e..f0f38ca8e22f 100644 --- a/block/blk-core.c +++ b/block/blk-core.c @@ -363,8 +363,10 @@ void blk_cleanup_queue(struct request_queue *q) blk_queue_flag_set(QUEUE_FLAG_DEAD, q); blk_sync_queue(q); - if (queue_is_mq(q)) + if (queue_is_mq(q)) { + blk_mq_cancel_work_sync(q); blk_mq_exit_queue(q); + } /* * In theory, request pool of sched_tags belongs to request queue. diff --git a/block/blk-flush.c b/block/blk-flush.c index 8e364bda5166..1fce6d16e6d3 100644 --- a/block/blk-flush.c +++ b/block/blk-flush.c @@ -379,7 +379,7 @@ static void mq_flush_data_end_io(struct request *rq, blk_status_t error) * @rq is being submitted. Analyze what needs to be done and put it on the * right queue. */ -bool blk_insert_flush(struct request *rq) +void blk_insert_flush(struct request *rq) { struct request_queue *q = rq->q; unsigned long fflags = q->queue_flags; /* may change, cache */ @@ -409,7 +409,7 @@ bool blk_insert_flush(struct request *rq) */ if (!policy) { blk_mq_end_request(rq, 0); - return true; + return; } BUG_ON(rq->bio != rq->biotail); /*assumes zero or single bio rq */ @@ -420,8 +420,10 @@ bool blk_insert_flush(struct request *rq) * for normal execution. */ if ((policy & REQ_FSEQ_DATA) && - !(policy & (REQ_FSEQ_PREFLUSH | REQ_FSEQ_POSTFLUSH))) - return false; + !(policy & (REQ_FSEQ_PREFLUSH | REQ_FSEQ_POSTFLUSH))) { + blk_mq_request_bypass_insert(rq, false, true); + return; + } /* * @rq should go through flush machinery. Mark it part of flush @@ -437,8 +439,6 @@ bool blk_insert_flush(struct request *rq) spin_lock_irq(&fq->mq_flush_lock); blk_flush_complete_seq(rq, fq, REQ_FSEQ_ACTIONS & ~policy, 0); spin_unlock_irq(&fq->mq_flush_lock); - - return true; } /** diff --git a/block/blk-mq.c b/block/blk-mq.c index 3ab34c4f20da..8799fa73ef34 100644 --- a/block/blk-mq.c +++ b/block/blk-mq.c @@ -2543,8 +2543,7 @@ static struct request *blk_mq_get_new_requests(struct request_queue *q, return NULL; } -static inline bool blk_mq_can_use_cached_rq(struct request *rq, - struct bio *bio) +static inline bool blk_mq_can_use_cached_rq(struct request *rq, struct bio *bio) { if (blk_mq_get_hctx_type(bio->bi_opf) != rq->mq_hctx->type) return false; @@ -2565,7 +2564,6 @@ static inline struct request *blk_mq_get_request(struct request_queue *q, bool checked = false; if (plug) { - rq = rq_list_peek(&plug->cached_rq); if (rq && rq->q == q) { if (unlikely(!submit_bio_checks(bio))) @@ -2587,12 +2585,14 @@ static inline struct request *blk_mq_get_request(struct request_queue *q, fallback: if (unlikely(bio_queue_enter(bio))) return NULL; - if (!checked && !submit_bio_checks(bio)) - return NULL; + if (unlikely(!checked && !submit_bio_checks(bio))) + goto out_put; rq = blk_mq_get_new_requests(q, plug, bio, nsegs, same_queue_rq); - if (!rq) - blk_queue_exit(q); - return rq; + if (rq) + return rq; +out_put: + blk_queue_exit(q); + return NULL; } /** @@ -2647,8 +2647,10 @@ void blk_mq_submit_bio(struct bio *bio) return; } - if (op_is_flush(bio->bi_opf) && blk_insert_flush(rq)) + if (op_is_flush(bio->bi_opf)) { + blk_insert_flush(rq); return; + } if (plug && (q->nr_hw_queues == 1 || blk_mq_is_shared_tags(rq->mq_hctx->flags) || @@ -4417,6 +4419,19 @@ unsigned int blk_mq_rq_cpu(struct request *rq) } EXPORT_SYMBOL(blk_mq_rq_cpu); +void blk_mq_cancel_work_sync(struct request_queue *q) +{ + if (queue_is_mq(q)) { + struct blk_mq_hw_ctx *hctx; + int i; + + cancel_delayed_work_sync(&q->requeue_work); + + queue_for_each_hw_ctx(q, hctx, i) + cancel_delayed_work_sync(&hctx->run_work); + } +} + static int __init blk_mq_init(void) { int i; diff --git a/block/blk-mq.h b/block/blk-mq.h index 8acfa650f575..afcf9931a489 100644 --- a/block/blk-mq.h +++ b/block/blk-mq.h @@ -128,6 +128,8 @@ extern void blk_mq_hctx_kobj_init(struct blk_mq_hw_ctx *hctx); void blk_mq_free_plug_rqs(struct blk_plug *plug); void blk_mq_flush_plug_list(struct blk_plug *plug, bool from_schedule); +void blk_mq_cancel_work_sync(struct request_queue *q); + void blk_mq_release(struct request_queue *q); static inline struct blk_mq_ctx *__blk_mq_get_ctx(struct request_queue *q, diff --git a/block/blk-sysfs.c b/block/blk-sysfs.c index cef1f713370b..cd75b0f73dc6 100644 --- a/block/blk-sysfs.c +++ b/block/blk-sysfs.c @@ -791,16 +791,6 @@ static void blk_release_queue(struct kobject *kobj) blk_free_queue_stats(q->stats); - if (queue_is_mq(q)) { - struct blk_mq_hw_ctx *hctx; - int i; - - cancel_delayed_work_sync(&q->requeue_work); - - queue_for_each_hw_ctx(q, hctx, i) - cancel_delayed_work_sync(&hctx->run_work); - } - blk_exit_queue(q); blk_queue_free_zone_bitmaps(q); diff --git a/block/blk.h b/block/blk.h index b4fed2033e48..ccde6e6f1736 100644 --- a/block/blk.h +++ b/block/blk.h @@ -271,7 +271,7 @@ void __blk_account_io_done(struct request *req, u64 now); */ #define ELV_ON_HASH(rq) ((rq)->rq_flags & RQF_HASHED) -bool blk_insert_flush(struct request *rq); +void blk_insert_flush(struct request *rq); int elevator_switch_mq(struct request_queue *q, struct elevator_type *new_e); diff --git a/block/elevator.c b/block/elevator.c index 1f39f6e8ebb9..19a78d5516ba 100644 --- a/block/elevator.c +++ b/block/elevator.c @@ -694,12 +694,18 @@ void elevator_init_mq(struct request_queue *q) if (!e) return; + /* + * We are called before adding disk, when there isn't any FS I/O, + * so freezing queue plus canceling dispatch work is enough to + * drain any dispatch activities originated from passthrough + * requests, then no need to quiesce queue which may add long boot + * latency, especially when lots of disks are involved. + */ blk_mq_freeze_queue(q); - blk_mq_quiesce_queue(q); + blk_mq_cancel_work_sync(q); err = blk_mq_init_sched(q, e); - blk_mq_unquiesce_queue(q); blk_mq_unfreeze_queue(q); if (err) { diff --git a/block/genhd.c b/block/genhd.c index c5392cc24d37..30362aeacac4 100644 --- a/block/genhd.c +++ b/block/genhd.c @@ -1111,6 +1111,8 @@ static void disk_release(struct device *dev) might_sleep(); WARN_ON_ONCE(disk_live(disk)); + blk_mq_cancel_work_sync(disk->queue); + disk_release_events(disk); kfree(disk->random); xa_destroy(&disk->part_tbl); diff --git a/block/ioprio.c b/block/ioprio.c index 0e4ff245f2bf..313c14a70bbd 100644 --- a/block/ioprio.c +++ b/block/ioprio.c @@ -69,7 +69,14 @@ int ioprio_check_cap(int ioprio) switch (class) { case IOPRIO_CLASS_RT: - if (!capable(CAP_SYS_NICE) && !capable(CAP_SYS_ADMIN)) + /* + * Originally this only checked for CAP_SYS_ADMIN, + * which was implicitly allowed for pid 0 by security + * modules such as SELinux. Make sure we check + * CAP_SYS_ADMIN first to avoid a denial/avc for + * possibly missing CAP_SYS_NICE permission. + */ + if (!capable(CAP_SYS_ADMIN) && !capable(CAP_SYS_NICE)) return -EPERM; fallthrough; /* rt has prio field too */ diff --git a/drivers/acpi/glue.c b/drivers/acpi/glue.c index 7cd0009e7ff3..ef104809f27b 100644 --- a/drivers/acpi/glue.c +++ b/drivers/acpi/glue.c @@ -347,28 +347,3 @@ void acpi_device_notify_remove(struct device *dev) acpi_unbind_one(dev); } - -int acpi_dev_turn_off_if_unused(struct device *dev, void *not_used) -{ - struct acpi_device *adev = to_acpi_device(dev); - - /* - * Skip device objects with device IDs, because they may be in use even - * if they are not companions of any physical device objects. - */ - if (adev->pnp.type.hardware_id) - return 0; - - mutex_lock(&adev->physical_node_lock); - - /* - * Device objects without device IDs are not in use if they have no - * corresponding physical device objects. - */ - if (list_empty(&adev->physical_node_list)) - acpi_device_set_power(adev, ACPI_STATE_D3_COLD); - - mutex_unlock(&adev->physical_node_lock); - - return 0; -} diff --git a/drivers/acpi/internal.h b/drivers/acpi/internal.h index 8fbdc172864b..d91b560e8867 100644 --- a/drivers/acpi/internal.h +++ b/drivers/acpi/internal.h @@ -117,7 +117,6 @@ bool acpi_device_is_battery(struct acpi_device *adev); bool acpi_device_is_first_physical_node(struct acpi_device *adev, const struct device *dev); int acpi_bus_register_early_device(int type); -int acpi_dev_turn_off_if_unused(struct device *dev, void *not_used); /* -------------------------------------------------------------------------- Device Matching and Notification diff --git a/drivers/acpi/scan.c b/drivers/acpi/scan.c index a50f1967c73d..2c80765670bc 100644 --- a/drivers/acpi/scan.c +++ b/drivers/acpi/scan.c @@ -2564,12 +2564,6 @@ int __init acpi_scan_init(void) } } - /* - * Make sure that power management resources are not blocked by ACPI - * device objects with no users. - */ - bus_for_each_dev(&acpi_bus_type, NULL, NULL, acpi_dev_turn_off_if_unused); - acpi_turn_off_unused_power_resources(); acpi_scan_initialized = true; diff --git a/drivers/ata/ahci.c b/drivers/ata/ahci.c index d60f34718b5d..1e1167e725a4 100644 --- a/drivers/ata/ahci.c +++ b/drivers/ata/ahci.c @@ -438,6 +438,7 @@ static const struct pci_device_id ahci_pci_tbl[] = { /* AMD */ { PCI_VDEVICE(AMD, 0x7800), board_ahci }, /* AMD Hudson-2 */ { PCI_VDEVICE(AMD, 0x7900), board_ahci }, /* AMD CZ */ + { PCI_VDEVICE(AMD, 0x7901), board_ahci_mobile }, /* AMD Green Sardine */ /* AMD is using RAID class only for ahci controllers */ { PCI_VENDOR_ID_AMD, PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, PCI_CLASS_STORAGE_RAID << 8, 0xffffff, board_ahci }, diff --git a/drivers/ata/libahci.c b/drivers/ata/libahci.c index 8a6835bfd18a..f76b8418e6fb 100644 --- a/drivers/ata/libahci.c +++ b/drivers/ata/libahci.c @@ -2323,6 +2323,18 @@ int ahci_port_resume(struct ata_port *ap) EXPORT_SYMBOL_GPL(ahci_port_resume); #ifdef CONFIG_PM +static void ahci_handle_s2idle(struct ata_port *ap) +{ + void __iomem *port_mmio = ahci_port_base(ap); + u32 devslp; + + if (pm_suspend_via_firmware()) + return; + devslp = readl(port_mmio + PORT_DEVSLP); + if ((devslp & PORT_DEVSLP_ADSE)) + ata_msleep(ap, devslp_idle_timeout); +} + static int ahci_port_suspend(struct ata_port *ap, pm_message_t mesg) { const char *emsg = NULL; @@ -2336,6 +2348,9 @@ static int ahci_port_suspend(struct ata_port *ap, pm_message_t mesg) ata_port_freeze(ap); } + if (acpi_storage_d3(ap->host->dev)) + ahci_handle_s2idle(ap); + ahci_rpm_put_port(ap); return rc; } diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c index 8a0ccb190d76..59ad8c979cb3 100644 --- a/drivers/ata/libata-core.c +++ b/drivers/ata/libata-core.c @@ -2031,8 +2031,9 @@ retry: dev->horkage |= ATA_HORKAGE_NO_DMA_LOG; goto retry; } - ata_dev_err(dev, "Read log page 0x%02x failed, Emask 0x%x\n", - (unsigned int)page, err_mask); + ata_dev_err(dev, + "Read log 0x%02x page 0x%02x failed, Emask 0x%x\n", + (unsigned int)log, (unsigned int)page, err_mask); } return err_mask; @@ -2177,6 +2178,9 @@ static void ata_dev_config_ncq_prio(struct ata_device *dev) struct ata_port *ap = dev->link->ap; unsigned int err_mask; + if (!ata_identify_page_supported(dev, ATA_LOG_SATA_SETTINGS)) + return; + err_mask = ata_read_log_page(dev, ATA_LOG_IDENTIFY_DEVICE, ATA_LOG_SATA_SETTINGS, @@ -2453,7 +2457,8 @@ static void ata_dev_config_devslp(struct ata_device *dev) * Check device sleep capability. Get DevSlp timing variables * from SATA Settings page of Identify Device Data Log. */ - if (!ata_id_has_devslp(dev->id)) + if (!ata_id_has_devslp(dev->id) || + !ata_identify_page_supported(dev, ATA_LOG_SATA_SETTINGS)) return; err_mask = ata_read_log_page(dev, diff --git a/drivers/ata/libata-sata.c b/drivers/ata/libata-sata.c index 4e88597aa9df..5b78e86e3459 100644 --- a/drivers/ata/libata-sata.c +++ b/drivers/ata/libata-sata.c @@ -922,7 +922,7 @@ DEVICE_ATTR(ncq_prio_enable, S_IRUGO | S_IWUSR, ata_ncq_prio_enable_show, ata_ncq_prio_enable_store); EXPORT_SYMBOL_GPL(dev_attr_ncq_prio_enable); -struct attribute *ata_ncq_sdev_attrs[] = { +static struct attribute *ata_ncq_sdev_attrs[] = { &dev_attr_unload_heads.attr, &dev_attr_ncq_prio_enable.attr, &dev_attr_ncq_prio_supported.attr, diff --git a/drivers/char/agp/intel-gtt.c b/drivers/char/agp/intel-gtt.c index 5bfdf222d5f9..c53cc9868cd8 100644 --- a/drivers/char/agp/intel-gtt.c +++ b/drivers/char/agp/intel-gtt.c @@ -20,6 +20,7 @@ #include #include #include +#include #include #include #include "agp.h" diff --git a/drivers/clk/bcm/clk-bcm2835.c b/drivers/clk/bcm/clk-bcm2835.c index a254512965eb..3667b4d731e7 100644 --- a/drivers/clk/bcm/clk-bcm2835.c +++ b/drivers/clk/bcm/clk-bcm2835.c @@ -932,8 +932,7 @@ static int bcm2835_clock_is_on(struct clk_hw *hw) static u32 bcm2835_clock_choose_div(struct clk_hw *hw, unsigned long rate, - unsigned long parent_rate, - bool round_up) + unsigned long parent_rate) { struct bcm2835_clock *clock = bcm2835_clock_from_hw(hw); const struct bcm2835_clock_data *data = clock->data; @@ -945,10 +944,6 @@ static u32 bcm2835_clock_choose_div(struct clk_hw *hw, rem = do_div(temp, rate); div = temp; - - /* Round up and mask off the unused bits */ - if (round_up && ((div & unused_frac_mask) != 0 || rem != 0)) - div += unused_frac_mask + 1; div &= ~unused_frac_mask; /* different clamping limits apply for a mash clock */ @@ -1079,7 +1074,7 @@ static int bcm2835_clock_set_rate(struct clk_hw *hw, struct bcm2835_clock *clock = bcm2835_clock_from_hw(hw); struct bcm2835_cprman *cprman = clock->cprman; const struct bcm2835_clock_data *data = clock->data; - u32 div = bcm2835_clock_choose_div(hw, rate, parent_rate, false); + u32 div = bcm2835_clock_choose_div(hw, rate, parent_rate); u32 ctl; spin_lock(&cprman->regs_lock); @@ -1130,7 +1125,7 @@ static unsigned long bcm2835_clock_choose_div_and_prate(struct clk_hw *hw, if (!(BIT(parent_idx) & data->set_rate_parent)) { *prate = clk_hw_get_rate(parent); - *div = bcm2835_clock_choose_div(hw, rate, *prate, true); + *div = bcm2835_clock_choose_div(hw, rate, *prate); *avgrate = bcm2835_clock_rate_from_divisor(clock, *prate, *div); @@ -1216,7 +1211,7 @@ static int bcm2835_clock_determine_rate(struct clk_hw *hw, rate = bcm2835_clock_choose_div_and_prate(hw, i, req->rate, &div, &prate, &avgrate); - if (rate > best_rate && rate <= req->rate) { + if (abs(req->rate - rate) < abs(req->rate - best_rate)) { best_parent = parent; best_prate = prate; best_rate = rate; diff --git a/drivers/dma-buf/Makefile b/drivers/dma-buf/Makefile index 1ef021273a06..511805dbeb75 100644 --- a/drivers/dma-buf/Makefile +++ b/drivers/dma-buf/Makefile @@ -11,6 +11,7 @@ obj-$(CONFIG_DMABUF_SYSFS_STATS) += dma-buf-sysfs-stats.o dmabuf_selftests-y := \ selftest.o \ st-dma-fence.o \ - st-dma-fence-chain.o + st-dma-fence-chain.o \ + st-dma-resv.o obj-$(CONFIG_DMABUF_SELFTESTS) += dmabuf_selftests.o diff --git a/drivers/dma-buf/dma-buf.c b/drivers/dma-buf/dma-buf.c index 6437b2e978fb..602b12d7470d 100644 --- a/drivers/dma-buf/dma-buf.c +++ b/drivers/dma-buf/dma-buf.c @@ -299,10 +299,8 @@ static __poll_t dma_buf_poll(struct file *file, poll_table *poll) /** * dma_buf_set_name - Set a name to a specific dma_buf to track the usage. - * The name of the dma-buf buffer can only be set when the dma-buf is not - * attached to any devices. It could theoritically support changing the - * name of the dma-buf if the same piece of memory is used for multiple - * purpose between different devices. + * It could support changing the name of the dma-buf if the same + * piece of memory is used for multiple purpose between different devices. * * @dmabuf: [in] dmabuf buffer that will be renamed. * @buf: [in] A piece of userspace memory that contains the name of @@ -315,25 +313,16 @@ static __poll_t dma_buf_poll(struct file *file, poll_table *poll) static long dma_buf_set_name(struct dma_buf *dmabuf, const char __user *buf) { char *name = strndup_user(buf, DMA_BUF_NAME_LEN); - long ret = 0; if (IS_ERR(name)) return PTR_ERR(name); - dma_resv_lock(dmabuf->resv, NULL); - if (!list_empty(&dmabuf->attachments)) { - ret = -EBUSY; - kfree(name); - goto out_unlock; - } spin_lock(&dmabuf->name_lock); kfree(dmabuf->name); dmabuf->name = name; spin_unlock(&dmabuf->name_lock); -out_unlock: - dma_resv_unlock(dmabuf->resv); - return ret; + return 0; } static long dma_buf_ioctl(struct file *file, @@ -1058,8 +1047,8 @@ EXPORT_SYMBOL_NS_GPL(dma_buf_move_notify, DMA_BUF); * * Interfaces:: * - * void \*dma_buf_vmap(struct dma_buf \*dmabuf) - * void dma_buf_vunmap(struct dma_buf \*dmabuf, void \*vaddr) + * void \*dma_buf_vmap(struct dma_buf \*dmabuf, struct dma_buf_map \*map) + * void dma_buf_vunmap(struct dma_buf \*dmabuf, struct dma_buf_map \*map) * * The vmap call can fail if there is no vmap support in the exporter, or if * it runs out of vmalloc space. Note that the dma-buf layer keeps a reference @@ -1338,8 +1327,6 @@ static int dma_buf_debug_show(struct seq_file *s, void *unused) { struct dma_buf *buf_obj; struct dma_buf_attachment *attach_obj; - struct dma_resv_iter cursor; - struct dma_fence *fence; int count = 0, attach_count; size_t size = 0; int ret; @@ -1370,14 +1357,7 @@ static int dma_buf_debug_show(struct seq_file *s, void *unused) buf_obj->name ?: ""); spin_unlock(&buf_obj->name_lock); - dma_resv_for_each_fence(&cursor, buf_obj->resv, true, fence) { - seq_printf(s, "\t%s fence: %s %s %ssignalled\n", - dma_resv_iter_is_exclusive(&cursor) ? - "Exclusive" : "Shared", - fence->ops->get_driver_name(fence), - fence->ops->get_timeline_name(fence), - dma_fence_is_signaled(fence) ? "" : "un"); - } + dma_resv_describe(buf_obj->resv, s); seq_puts(s, "\tAttached Devices:\n"); attach_count = 0; diff --git a/drivers/dma-buf/dma-fence.c b/drivers/dma-buf/dma-fence.c index 1e82ecd443fa..066400ed8841 100644 --- a/drivers/dma-buf/dma-fence.c +++ b/drivers/dma-buf/dma-fence.c @@ -15,6 +15,7 @@ #include #include #include +#include #define CREATE_TRACE_POINTS #include @@ -907,6 +908,22 @@ err_free_cb: } EXPORT_SYMBOL(dma_fence_wait_any_timeout); +/** + * dma_fence_describe - Dump fence describtion into seq_file + * @fence: the 6fence to describe + * @seq: the seq_file to put the textual description into + * + * Dump a textual description of the fence and it's state into the seq_file. + */ +void dma_fence_describe(struct dma_fence *fence, struct seq_file *seq) +{ + seq_printf(seq, "%s %s seq %llu %ssignalled\n", + fence->ops->get_driver_name(fence), + fence->ops->get_timeline_name(fence), fence->seqno, + dma_fence_is_signaled(fence) ? "" : "un"); +} +EXPORT_SYMBOL(dma_fence_describe); + /** * dma_fence_init - Initialize a custom fence. * @fence: the fence to initialize diff --git a/drivers/dma-buf/dma-resv.c b/drivers/dma-buf/dma-resv.c index 9eb2baa387d4..ff3c0558b3b8 100644 --- a/drivers/dma-buf/dma-resv.c +++ b/drivers/dma-buf/dma-resv.c @@ -38,6 +38,7 @@ #include #include #include +#include /** * DOC: Reservation Object Overview @@ -666,6 +667,28 @@ bool dma_resv_test_signaled(struct dma_resv *obj, bool test_all) } EXPORT_SYMBOL_GPL(dma_resv_test_signaled); +/** + * dma_resv_describe - Dump description of the resv object into seq_file + * @obj: the reservation object + * @seq: the seq_file to dump the description into + * + * Dump a textual description of the fences inside an dma_resv object into the + * seq_file. + */ +void dma_resv_describe(struct dma_resv *obj, struct seq_file *seq) +{ + struct dma_resv_iter cursor; + struct dma_fence *fence; + + dma_resv_for_each_fence(&cursor, obj, true, fence) { + seq_printf(seq, "\t%s fence:", + dma_resv_iter_is_exclusive(&cursor) ? + "Exclusive" : "Shared"); + dma_fence_describe(fence, seq); + } +} +EXPORT_SYMBOL_GPL(dma_resv_describe); + #if IS_ENABLED(CONFIG_LOCKDEP) static int __init dma_resv_lockdep(void) { diff --git a/drivers/dma-buf/selftests.h b/drivers/dma-buf/selftests.h index bc8cea67bf1e..97d73aaa31da 100644 --- a/drivers/dma-buf/selftests.h +++ b/drivers/dma-buf/selftests.h @@ -12,3 +12,4 @@ selftest(sanitycheck, __sanitycheck__) /* keep first (igt selfcheck) */ selftest(dma_fence, dma_fence) selftest(dma_fence_chain, dma_fence_chain) +selftest(dma_resv, dma_resv) diff --git a/drivers/dma-buf/st-dma-resv.c b/drivers/dma-buf/st-dma-resv.c new file mode 100644 index 000000000000..bc32b3eedcb6 --- /dev/null +++ b/drivers/dma-buf/st-dma-resv.c @@ -0,0 +1,371 @@ +/* SPDX-License-Identifier: MIT */ + +/* +* Copyright © 2019 Intel Corporation +* Copyright © 2021 Advanced Micro Devices, Inc. +*/ + +#include +#include +#include + +#include "selftest.h" + +static struct spinlock fence_lock; + +static const char *fence_name(struct dma_fence *f) +{ + return "selftest"; +} + +static const struct dma_fence_ops fence_ops = { + .get_driver_name = fence_name, + .get_timeline_name = fence_name, +}; + +static struct dma_fence *alloc_fence(void) +{ + struct dma_fence *f; + + f = kmalloc(sizeof(*f), GFP_KERNEL); + if (!f) + return NULL; + + dma_fence_init(f, &fence_ops, &fence_lock, 0, 0); + return f; +} + +static int sanitycheck(void *arg) +{ + struct dma_resv resv; + struct dma_fence *f; + int r; + + f = alloc_fence(); + if (!f) + return -ENOMEM; + + dma_fence_signal(f); + dma_fence_put(f); + + dma_resv_init(&resv); + r = dma_resv_lock(&resv, NULL); + if (r) + pr_err("Resv locking failed\n"); + else + dma_resv_unlock(&resv); + dma_resv_fini(&resv); + return r; +} + +static int test_signaling(void *arg, bool shared) +{ + struct dma_resv resv; + struct dma_fence *f; + int r; + + f = alloc_fence(); + if (!f) + return -ENOMEM; + + dma_resv_init(&resv); + r = dma_resv_lock(&resv, NULL); + if (r) { + pr_err("Resv locking failed\n"); + goto err_free; + } + + if (shared) { + r = dma_resv_reserve_shared(&resv, 1); + if (r) { + pr_err("Resv shared slot allocation failed\n"); + goto err_unlock; + } + + dma_resv_add_shared_fence(&resv, f); + } else { + dma_resv_add_excl_fence(&resv, f); + } + + if (dma_resv_test_signaled(&resv, shared)) { + pr_err("Resv unexpectedly signaled\n"); + r = -EINVAL; + goto err_unlock; + } + dma_fence_signal(f); + if (!dma_resv_test_signaled(&resv, shared)) { + pr_err("Resv not reporting signaled\n"); + r = -EINVAL; + goto err_unlock; + } +err_unlock: + dma_resv_unlock(&resv); +err_free: + dma_resv_fini(&resv); + dma_fence_put(f); + return r; +} + +static int test_excl_signaling(void *arg) +{ + return test_signaling(arg, false); +} + +static int test_shared_signaling(void *arg) +{ + return test_signaling(arg, true); +} + +static int test_for_each(void *arg, bool shared) +{ + struct dma_resv_iter cursor; + struct dma_fence *f, *fence; + struct dma_resv resv; + int r; + + f = alloc_fence(); + if (!f) + return -ENOMEM; + + dma_resv_init(&resv); + r = dma_resv_lock(&resv, NULL); + if (r) { + pr_err("Resv locking failed\n"); + goto err_free; + } + + if (shared) { + r = dma_resv_reserve_shared(&resv, 1); + if (r) { + pr_err("Resv shared slot allocation failed\n"); + goto err_unlock; + } + + dma_resv_add_shared_fence(&resv, f); + } else { + dma_resv_add_excl_fence(&resv, f); + } + + r = -ENOENT; + dma_resv_for_each_fence(&cursor, &resv, shared, fence) { + if (!r) { + pr_err("More than one fence found\n"); + r = -EINVAL; + goto err_unlock; + } + if (f != fence) { + pr_err("Unexpected fence\n"); + r = -EINVAL; + goto err_unlock; + } + if (dma_resv_iter_is_exclusive(&cursor) != !shared) { + pr_err("Unexpected fence usage\n"); + r = -EINVAL; + goto err_unlock; + } + r = 0; + } + if (r) { + pr_err("No fence found\n"); + goto err_unlock; + } + dma_fence_signal(f); +err_unlock: + dma_resv_unlock(&resv); +err_free: + dma_resv_fini(&resv); + dma_fence_put(f); + return r; +} + +static int test_excl_for_each(void *arg) +{ + return test_for_each(arg, false); +} + +static int test_shared_for_each(void *arg) +{ + return test_for_each(arg, true); +} + +static int test_for_each_unlocked(void *arg, bool shared) +{ + struct dma_resv_iter cursor; + struct dma_fence *f, *fence; + struct dma_resv resv; + int r; + + f = alloc_fence(); + if (!f) + return -ENOMEM; + + dma_resv_init(&resv); + r = dma_resv_lock(&resv, NULL); + if (r) { + pr_err("Resv locking failed\n"); + goto err_free; + } + + if (shared) { + r = dma_resv_reserve_shared(&resv, 1); + if (r) { + pr_err("Resv shared slot allocation failed\n"); + dma_resv_unlock(&resv); + goto err_free; + } + + dma_resv_add_shared_fence(&resv, f); + } else { + dma_resv_add_excl_fence(&resv, f); + } + dma_resv_unlock(&resv); + + r = -ENOENT; + dma_resv_iter_begin(&cursor, &resv, shared); + dma_resv_for_each_fence_unlocked(&cursor, fence) { + if (!r) { + pr_err("More than one fence found\n"); + r = -EINVAL; + goto err_iter_end; + } + if (!dma_resv_iter_is_restarted(&cursor)) { + pr_err("No restart flag\n"); + goto err_iter_end; + } + if (f != fence) { + pr_err("Unexpected fence\n"); + r = -EINVAL; + goto err_iter_end; + } + if (dma_resv_iter_is_exclusive(&cursor) != !shared) { + pr_err("Unexpected fence usage\n"); + r = -EINVAL; + goto err_iter_end; + } + + /* We use r as state here */ + if (r == -ENOENT) { + r = -EINVAL; + /* That should trigger an restart */ + cursor.seq--; + } else if (r == -EINVAL) { + r = 0; + } + } + if (r) + pr_err("No fence found\n"); +err_iter_end: + dma_resv_iter_end(&cursor); + dma_fence_signal(f); +err_free: + dma_resv_fini(&resv); + dma_fence_put(f); + return r; +} + +static int test_excl_for_each_unlocked(void *arg) +{ + return test_for_each_unlocked(arg, false); +} + +static int test_shared_for_each_unlocked(void *arg) +{ + return test_for_each_unlocked(arg, true); +} + +static int test_get_fences(void *arg, bool shared) +{ + struct dma_fence *f, *excl = NULL, **fences = NULL; + struct dma_resv resv; + int r, i; + + f = alloc_fence(); + if (!f) + return -ENOMEM; + + dma_resv_init(&resv); + r = dma_resv_lock(&resv, NULL); + if (r) { + pr_err("Resv locking failed\n"); + goto err_resv; + } + + if (shared) { + r = dma_resv_reserve_shared(&resv, 1); + if (r) { + pr_err("Resv shared slot allocation failed\n"); + dma_resv_unlock(&resv); + goto err_resv; + } + + dma_resv_add_shared_fence(&resv, f); + } else { + dma_resv_add_excl_fence(&resv, f); + } + dma_resv_unlock(&resv); + + r = dma_resv_get_fences(&resv, &excl, &i, &fences); + if (r) { + pr_err("get_fences failed\n"); + goto err_free; + } + + if (shared) { + if (excl != NULL) { + pr_err("get_fences returned unexpected excl fence\n"); + goto err_free; + } + if (i != 1 || fences[0] != f) { + pr_err("get_fences returned unexpected shared fence\n"); + goto err_free; + } + } else { + if (excl != f) { + pr_err("get_fences returned unexpected excl fence\n"); + goto err_free; + } + if (i != 0) { + pr_err("get_fences returned unexpected shared fence\n"); + goto err_free; + } + } + + dma_fence_signal(f); +err_free: + dma_fence_put(excl); + while (i--) + dma_fence_put(fences[i]); + kfree(fences); +err_resv: + dma_resv_fini(&resv); + dma_fence_put(f); + return r; +} + +static int test_excl_get_fences(void *arg) +{ + return test_get_fences(arg, false); +} + +static int test_shared_get_fences(void *arg) +{ + return test_get_fences(arg, true); +} + +int dma_resv(void) +{ + static const struct subtest tests[] = { + SUBTEST(sanitycheck), + SUBTEST(test_excl_signaling), + SUBTEST(test_shared_signaling), + SUBTEST(test_excl_for_each), + SUBTEST(test_shared_for_each), + SUBTEST(test_excl_for_each_unlocked), + SUBTEST(test_shared_for_each_unlocked), + SUBTEST(test_excl_get_fences), + SUBTEST(test_shared_get_fences), + }; + + spin_lock_init(&fence_lock); + return subtests(tests, NULL); +} diff --git a/drivers/gpio/Kconfig b/drivers/gpio/Kconfig index 072ed610f9c6..60d9374c72c0 100644 --- a/drivers/gpio/Kconfig +++ b/drivers/gpio/Kconfig @@ -523,6 +523,7 @@ config GPIO_REG config GPIO_ROCKCHIP tristate "Rockchip GPIO support" depends on ARCH_ROCKCHIP || COMPILE_TEST + select GENERIC_IRQ_CHIP select GPIOLIB_IRQCHIP default ARCH_ROCKCHIP help diff --git a/drivers/gpio/gpio-virtio.c b/drivers/gpio/gpio-virtio.c index aeec4bf0b625..84f96b78f32a 100644 --- a/drivers/gpio/gpio-virtio.c +++ b/drivers/gpio/gpio-virtio.c @@ -434,7 +434,7 @@ static void virtio_gpio_event_vq(struct virtqueue *vq) ret = generic_handle_domain_irq(vgpio->gc.irq.domain, gpio); if (ret) dev_err(dev, "failed to handle interrupt: %d\n", ret); - }; + } } static void virtio_gpio_request_vq(struct virtqueue *vq) diff --git a/drivers/gpu/drm/Kconfig b/drivers/gpu/drm/Kconfig index 0039df26854b..9bb456b49b59 100644 --- a/drivers/gpu/drm/Kconfig +++ b/drivers/gpu/drm/Kconfig @@ -211,7 +211,7 @@ config DRM_TTM_HELPER Helpers for ttm-based gem objects config DRM_GEM_CMA_HELPER - bool + tristate depends on DRM help Choose this if you need the GEM CMA helper functions @@ -224,7 +224,7 @@ config DRM_KMS_CMA_HELPER Choose this if you need the KMS CMA helper functions config DRM_GEM_SHMEM_HELPER - bool + tristate depends on DRM && MMU help Choose this if you need the GEM shmem helper functions @@ -495,3 +495,7 @@ config DRM_PANEL_ORIENTATION_QUIRKS config DRM_LIB_RANDOM bool default n + +config DRM_PRIVACY_SCREEN + bool + default n diff --git a/drivers/gpu/drm/Makefile b/drivers/gpu/drm/Makefile index 0dff40bb863c..1c41156deb5f 100644 --- a/drivers/gpu/drm/Makefile +++ b/drivers/gpu/drm/Makefile @@ -4,37 +4,41 @@ # Direct Rendering Infrastructure (DRI) in XFree86 4.1.0 and higher. drm-y := drm_aperture.o drm_auth.o drm_cache.o \ - drm_file.o drm_gem.o drm_ioctl.o drm_irq.o \ + drm_file.o drm_gem.o drm_ioctl.o \ drm_drv.o \ drm_sysfs.o drm_hashtab.o drm_mm.o \ drm_crtc.o drm_fourcc.o drm_modes.o drm_edid.o drm_displayid.o \ - drm_encoder_slave.o \ drm_trace_points.o drm_prime.o \ - drm_rect.o drm_vma_manager.o drm_flip_work.o \ + drm_vma_manager.o \ drm_modeset_lock.o drm_atomic.o drm_bridge.o \ drm_framebuffer.o drm_connector.o drm_blend.o \ drm_encoder.o drm_mode_object.o drm_property.o \ drm_plane.o drm_color_mgmt.o drm_print.o \ drm_dumb_buffers.o drm_mode_config.o drm_vblank.o \ drm_syncobj.o drm_lease.o drm_writeback.o drm_client.o \ - drm_client_modeset.o drm_atomic_uapi.o drm_hdcp.o \ + drm_client_modeset.o drm_atomic_uapi.o \ drm_managed.o drm_vblank_work.o drm-$(CONFIG_DRM_LEGACY) += drm_agpsupport.o drm_bufs.o drm_context.o drm_dma.o \ - drm_legacy_misc.o drm_lock.o drm_memory.o drm_scatter.o \ - drm_vm.o + drm_irq.o drm_legacy_misc.o drm_lock.o drm_memory.o \ + drm_scatter.o drm_vm.o drm-$(CONFIG_DRM_LIB_RANDOM) += lib/drm_random.o drm-$(CONFIG_COMPAT) += drm_ioc32.o -drm-$(CONFIG_DRM_GEM_CMA_HELPER) += drm_gem_cma_helper.o -drm-$(CONFIG_DRM_GEM_SHMEM_HELPER) += drm_gem_shmem_helper.o drm-$(CONFIG_DRM_PANEL) += drm_panel.o drm-$(CONFIG_OF) += drm_of.o drm-$(CONFIG_PCI) += drm_pci.o drm-$(CONFIG_DEBUG_FS) += drm_debugfs.o drm_debugfs_crc.o drm-$(CONFIG_DRM_LOAD_EDID_FIRMWARE) += drm_edid_load.o +drm-$(CONFIG_DRM_PRIVACY_SCREEN) += drm_privacy_screen.o drm_privacy_screen_x86.o obj-$(CONFIG_DRM_DP_AUX_BUS) += drm_dp_aux_bus.o +drm_cma_helper-y := drm_gem_cma_helper.o +obj-$(CONFIG_DRM_GEM_CMA_HELPER) += drm_cma_helper.o + +drm_shmem_helper-y := drm_gem_shmem_helper.o +obj-$(CONFIG_DRM_GEM_SHMEM_HELPER) += drm_shmem_helper.o + drm_vram_helper-y := drm_gem_vram_helper.o obj-$(CONFIG_DRM_VRAM_HELPER) += drm_vram_helper.o @@ -42,14 +46,15 @@ drm_ttm_helper-y := drm_gem_ttm_helper.o obj-$(CONFIG_DRM_TTM_HELPER) += drm_ttm_helper.o drm_kms_helper-y := drm_bridge_connector.o drm_crtc_helper.o drm_dp_helper.o \ - drm_dsc.o drm_probe_helper.o \ + drm_dsc.o drm_encoder_slave.o drm_flip_work.o drm_hdcp.o \ + drm_probe_helper.o \ drm_plane_helper.o drm_dp_mst_topology.o drm_atomic_helper.o \ drm_kms_helper_common.o drm_dp_dual_mode_helper.o \ drm_simple_kms_helper.o drm_modeset_helper.o \ drm_scdc_helper.o drm_gem_atomic_helper.o \ drm_gem_framebuffer_helper.o \ drm_atomic_state_helper.o drm_damage_helper.o \ - drm_format_helper.o drm_self_refresh_helper.o + drm_format_helper.o drm_self_refresh_helper.o drm_rect.o drm_kms_helper-$(CONFIG_DRM_PANEL_BRIDGE) += bridge/panel.o drm_kms_helper-$(CONFIG_DRM_FBDEV_EMULATION) += drm_fb_helper.o diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu.h b/drivers/gpu/drm/amd/amdgpu/amdgpu.h index b85b67a88a3d..9f017663ac50 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu.h @@ -458,7 +458,6 @@ struct amdgpu_flip_work { uint64_t base; struct drm_pending_vblank_event *event; struct amdgpu_bo *old_abo; - struct dma_fence *excl; unsigned shared_count; struct dma_fence **shared; struct dma_fence_cb cb; diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_connectors.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_connectors.c index b9c11c2b2885..0de66f59adb8 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_connectors.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_connectors.c @@ -827,6 +827,7 @@ static int amdgpu_connector_vga_get_modes(struct drm_connector *connector) amdgpu_connector_get_edid(connector); ret = amdgpu_connector_ddc_get_modes(connector); + amdgpu_get_native_mode(connector); return ret; } diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c index 5625f7736e37..188accb71249 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c @@ -3509,6 +3509,9 @@ int amdgpu_device_init(struct amdgpu_device *adev, adev->rmmio_size = pci_resource_len(adev->pdev, 2); } + for (i = 0; i < AMD_IP_BLOCK_TYPE_NUM; i++) + atomic_set(&adev->pm.pwr_state[i], POWER_STATE_UNKNOWN); + adev->rmmio = ioremap(adev->rmmio_base, adev->rmmio_size); if (adev->rmmio == NULL) { return -ENOMEM; diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.c index ff70bc233489..4e3669407518 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.c @@ -587,6 +587,9 @@ static int amdgpu_discovery_set_common_ip_blocks(struct amdgpu_device *adev) amdgpu_device_ip_block_add(adev, &nv_common_ip_block); break; default: + dev_err(adev->dev, + "Failed to add common ip block(GC_HWIP:0x%x)\n", + adev->ip_versions[GC_HWIP][0]); return -EINVAL; } return 0; @@ -619,6 +622,9 @@ static int amdgpu_discovery_set_gmc_ip_blocks(struct amdgpu_device *adev) amdgpu_device_ip_block_add(adev, &gmc_v10_0_ip_block); break; default: + dev_err(adev->dev, + "Failed to add gmc ip block(GC_HWIP:0x%x)\n", + adev->ip_versions[GC_HWIP][0]); return -EINVAL; } return 0; @@ -648,6 +654,9 @@ static int amdgpu_discovery_set_ih_ip_blocks(struct amdgpu_device *adev) amdgpu_device_ip_block_add(adev, &navi10_ih_ip_block); break; default: + dev_err(adev->dev, + "Failed to add ih ip block(OSSSYS_HWIP:0x%x)\n", + adev->ip_versions[OSSSYS_HWIP][0]); return -EINVAL; } return 0; @@ -688,6 +697,9 @@ static int amdgpu_discovery_set_psp_ip_blocks(struct amdgpu_device *adev) amdgpu_device_ip_block_add(adev, &psp_v13_0_ip_block); break; default: + dev_err(adev->dev, + "Failed to add psp ip block(MP0_HWIP:0x%x)\n", + adev->ip_versions[MP0_HWIP][0]); return -EINVAL; } return 0; @@ -726,6 +738,9 @@ static int amdgpu_discovery_set_smu_ip_blocks(struct amdgpu_device *adev) amdgpu_device_ip_block_add(adev, &smu_v13_0_ip_block); break; default: + dev_err(adev->dev, + "Failed to add smu ip block(MP1_HWIP:0x%x)\n", + adev->ip_versions[MP1_HWIP][0]); return -EINVAL; } return 0; @@ -753,6 +768,9 @@ static int amdgpu_discovery_set_display_ip_blocks(struct amdgpu_device *adev) amdgpu_device_ip_block_add(adev, &dm_ip_block); break; default: + dev_err(adev->dev, + "Failed to add dm ip block(DCE_HWIP:0x%x)\n", + adev->ip_versions[DCE_HWIP][0]); return -EINVAL; } } else if (adev->ip_versions[DCI_HWIP][0]) { @@ -763,6 +781,9 @@ static int amdgpu_discovery_set_display_ip_blocks(struct amdgpu_device *adev) amdgpu_device_ip_block_add(adev, &dm_ip_block); break; default: + dev_err(adev->dev, + "Failed to add dm ip block(DCI_HWIP:0x%x)\n", + adev->ip_versions[DCI_HWIP][0]); return -EINVAL; } #endif @@ -796,6 +817,9 @@ static int amdgpu_discovery_set_gc_ip_blocks(struct amdgpu_device *adev) amdgpu_device_ip_block_add(adev, &gfx_v10_0_ip_block); break; default: + dev_err(adev->dev, + "Failed to add gfx ip block(GC_HWIP:0x%x)\n", + adev->ip_versions[GC_HWIP][0]); return -EINVAL; } return 0; @@ -829,6 +853,9 @@ static int amdgpu_discovery_set_sdma_ip_blocks(struct amdgpu_device *adev) amdgpu_device_ip_block_add(adev, &sdma_v5_2_ip_block); break; default: + dev_err(adev->dev, + "Failed to add sdma ip block(SDMA0_HWIP:0x%x)\n", + adev->ip_versions[SDMA0_HWIP][0]); return -EINVAL; } return 0; @@ -845,6 +872,9 @@ static int amdgpu_discovery_set_mm_ip_blocks(struct amdgpu_device *adev) amdgpu_device_ip_block_add(adev, &uvd_v7_0_ip_block); break; default: + dev_err(adev->dev, + "Failed to add uvd v7 ip block(UVD_HWIP:0x%x)\n", + adev->ip_versions[UVD_HWIP][0]); return -EINVAL; } switch (adev->ip_versions[VCE_HWIP][0]) { @@ -855,6 +885,9 @@ static int amdgpu_discovery_set_mm_ip_blocks(struct amdgpu_device *adev) amdgpu_device_ip_block_add(adev, &vce_v4_0_ip_block); break; default: + dev_err(adev->dev, + "Failed to add VCE v4 ip block(VCE_HWIP:0x%x)\n", + adev->ip_versions[VCE_HWIP][0]); return -EINVAL; } } else { @@ -893,6 +926,9 @@ static int amdgpu_discovery_set_mm_ip_blocks(struct amdgpu_device *adev) amdgpu_device_ip_block_add(adev, &vcn_v3_0_ip_block); break; default: + dev_err(adev->dev, + "Failed to add vcn/jpeg ip block(UVD_HWIP:0x%x)\n", + adev->ip_versions[UVD_HWIP][0]); return -EINVAL; } } diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_display.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_display.c index dc50c05f23fc..68108f151dad 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_display.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_display.c @@ -83,9 +83,6 @@ static void amdgpu_display_flip_work_func(struct work_struct *__work) unsigned i; int vpos, hpos; - if (amdgpu_display_flip_handle_fence(work, &work->excl)) - return; - for (i = 0; i < work->shared_count; ++i) if (amdgpu_display_flip_handle_fence(work, &work->shared[i])) return; @@ -203,7 +200,7 @@ int amdgpu_display_crtc_page_flip_target(struct drm_crtc *crtc, goto unpin; } - r = dma_resv_get_fences(new_abo->tbo.base.resv, &work->excl, + r = dma_resv_get_fences(new_abo->tbo.base.resv, NULL, &work->shared_count, &work->shared); if (unlikely(r != 0)) { DRM_ERROR("failed to get fences for buffer\n"); @@ -253,7 +250,6 @@ unreserve: cleanup: amdgpu_bo_unref(&work->old_abo); - dma_fence_put(work->excl); for (i = 0; i < work->shared_count; ++i) dma_fence_put(work->shared[i]); kfree(work->shared); diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_sync.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_sync.c index 862eb3c1c4c5..f7d8487799b2 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_sync.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_sync.c @@ -252,41 +252,25 @@ int amdgpu_sync_resv(struct amdgpu_device *adev, struct amdgpu_sync *sync, struct dma_resv *resv, enum amdgpu_sync_mode mode, void *owner) { - struct dma_resv_list *flist; + struct dma_resv_iter cursor; struct dma_fence *f; - unsigned i; - int r = 0; + int r; if (resv == NULL) return -EINVAL; - /* always sync to the exclusive fence */ - f = dma_resv_excl_fence(resv); - dma_fence_chain_for_each(f, f) { - struct dma_fence_chain *chain = to_dma_fence_chain(f); + dma_resv_for_each_fence(&cursor, resv, true, f) { + dma_fence_chain_for_each(f, f) { + struct dma_fence_chain *chain = to_dma_fence_chain(f); - if (amdgpu_sync_test_fence(adev, mode, owner, chain ? - chain->fence : f)) { - r = amdgpu_sync_fence(sync, f); - dma_fence_put(f); - if (r) - return r; - break; - } - } - - flist = dma_resv_shared_list(resv); - if (!flist) - return 0; - - for (i = 0; i < flist->shared_count; ++i) { - f = rcu_dereference_protected(flist->shared[i], - dma_resv_held(resv)); - - if (amdgpu_sync_test_fence(adev, mode, owner, f)) { - r = amdgpu_sync_fence(sync, f); - if (r) - return r; + if (amdgpu_sync_test_fence(adev, mode, owner, chain ? + chain->fence : f)) { + r = amdgpu_sync_fence(sync, f); + dma_fence_put(f); + if (r) + return r; + break; + } } } return 0; diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c index c875f1cdd2af..eab4380f28e5 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c @@ -1353,10 +1353,9 @@ static bool amdgpu_ttm_bo_eviction_valuable(struct ttm_buffer_object *bo, const struct ttm_place *place) { unsigned long num_pages = bo->resource->num_pages; + struct dma_resv_iter resv_cursor; struct amdgpu_res_cursor cursor; - struct dma_resv_list *flist; struct dma_fence *f; - int i; /* Swapout? */ if (bo->resource->mem_type == TTM_PL_SYSTEM) @@ -1370,14 +1369,9 @@ static bool amdgpu_ttm_bo_eviction_valuable(struct ttm_buffer_object *bo, * If true, then return false as any KFD process needs all its BOs to * be resident to run successfully */ - flist = dma_resv_shared_list(bo->base.resv); - if (flist) { - for (i = 0; i < flist->shared_count; ++i) { - f = rcu_dereference_protected(flist->shared[i], - dma_resv_held(bo->base.resv)); - if (amdkfd_fence_check_mm(f, current->mm)) - return false; - } + dma_resv_for_each_fence(&resv_cursor, bo->base.resv, true, f) { + if (amdkfd_fence_check_mm(f, current->mm)) + return false; } switch (bo->resource->mem_type) { diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c index 0e7dc23f78e7..a96ae4c0e040 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c @@ -2102,30 +2102,14 @@ static void amdgpu_vm_free_mapping(struct amdgpu_device *adev, static void amdgpu_vm_prt_fini(struct amdgpu_device *adev, struct amdgpu_vm *vm) { struct dma_resv *resv = vm->root.bo->tbo.base.resv; - struct dma_fence *excl, **shared; - unsigned i, shared_count; - int r; + struct dma_resv_iter cursor; + struct dma_fence *fence; - r = dma_resv_get_fences(resv, &excl, &shared_count, &shared); - if (r) { - /* Not enough memory to grab the fence list, as last resort - * block for all the fences to complete. - */ - dma_resv_wait_timeout(resv, true, false, - MAX_SCHEDULE_TIMEOUT); - return; - } - - /* Add a callback for each fence in the reservation object */ - amdgpu_vm_prt_get(adev); - amdgpu_vm_add_prt_cb(adev, excl); - - for (i = 0; i < shared_count; ++i) { + dma_resv_for_each_fence(&cursor, resv, true, fence) { + /* Add a callback for each fence in the reservation object */ amdgpu_vm_prt_get(adev); - amdgpu_vm_add_prt_cb(adev, shared[i]); + amdgpu_vm_add_prt_cb(adev, fence); } - - kfree(shared); } /** diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.c index 0fad2bf854ae..567df2db23ac 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.c @@ -386,6 +386,7 @@ struct amdgpu_hive_info *amdgpu_get_xgmi_hive(struct amdgpu_device *adev) "%s", "xgmi_hive_info"); if (ret) { dev_err(adev->dev, "XGMI: failed initializing kobject for xgmi hive\n"); + kobject_put(&hive->kobj); kfree(hive); hive = NULL; goto pro_end; diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c b/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c index 003ba6a373ff..93e33dd84dd4 100644 --- a/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c +++ b/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c @@ -1226,6 +1226,11 @@ static int stop_cpsch(struct device_queue_manager *dqm) bool hanging; dqm_lock(dqm); + if (!dqm->sched_running) { + dqm_unlock(dqm); + return 0; + } + if (!dqm->is_hws_hang) unmap_queues_cpsch(dqm, KFD_UNMAP_QUEUES_FILTER_ALL_QUEUES, 0); hanging = dqm->is_hws_hang || dqm->is_resetting; diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c index c911b30de658..4595c59f2bf0 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c @@ -3012,7 +3012,7 @@ static void handle_hpd_irq_helper(struct amdgpu_dm_connector *aconnector) drm_modeset_unlock_all(dev); if (aconnector->base.force == DRM_FORCE_UNSPECIFIED) - drm_kms_helper_hotplug_event(dev); + drm_kms_helper_connector_hotplug_event(connector); } else if (dc_link_detect(aconnector->dc_link, DETECT_REASON_HPD)) { if (new_connection_type == dc_connection_none && @@ -3027,7 +3027,7 @@ static void handle_hpd_irq_helper(struct amdgpu_dm_connector *aconnector) drm_modeset_unlock_all(dev); if (aconnector->base.force == DRM_FORCE_UNSPECIFIED) - drm_kms_helper_hotplug_event(dev); + drm_kms_helper_connector_hotplug_event(connector); } mutex_unlock(&aconnector->hpd_lock); @@ -3221,7 +3221,7 @@ out: dm_restore_drm_connector_state(dev, connector); drm_modeset_unlock_all(dev); - drm_kms_helper_hotplug_event(dev); + drm_kms_helper_connector_hotplug_event(connector); } else if (dc_link_detect(dc_link, DETECT_REASON_HPDRX)) { if (aconnector->fake_enable) @@ -3234,7 +3234,7 @@ out: dm_restore_drm_connector_state(dev, connector); drm_modeset_unlock_all(dev); - drm_kms_helper_hotplug_event(dev); + drm_kms_helper_connector_hotplug_event(connector); } } #ifdef CONFIG_DRM_AMD_DC_HDCP @@ -4242,7 +4242,8 @@ static int amdgpu_dm_initialize_drm_device(struct amdgpu_device *adev) } else if (dc_link_detect(link, DETECT_REASON_BOOT)) { amdgpu_dm_update_connector_after_detect(aconnector); register_backlight_device(dm, link); - + if (dm->num_of_edps) + update_connector_ext_caps(aconnector); if (psr_feature_enabled) amdgpu_dm_set_psr_caps(link); } diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_debugfs.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_debugfs.c index 9d43ecb1f692..0277685864c5 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_debugfs.c +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_debugfs.c @@ -1243,7 +1243,7 @@ static ssize_t trigger_hotplug(struct file *f, const char __user *buf, dm_restore_drm_connector_state(dev, connector); drm_modeset_unlock_all(dev); - drm_kms_helper_hotplug_event(dev); + drm_kms_helper_connector_hotplug_event(connector); } else if (param[0] == 0) { if (!aconnector->dc_link) goto unlock; @@ -1265,7 +1265,7 @@ static ssize_t trigger_hotplug(struct file *f, const char __user *buf, dm_restore_drm_connector_state(dev, connector); drm_modeset_unlock_all(dev); - drm_kms_helper_hotplug_event(dev); + drm_kms_helper_connector_hotplug_event(connector); } unlock: diff --git a/drivers/gpu/drm/amd/include/amd_shared.h b/drivers/gpu/drm/amd/include/amd_shared.h index f1a46d16f7ea..4b9e68a79f06 100644 --- a/drivers/gpu/drm/amd/include/amd_shared.h +++ b/drivers/gpu/drm/amd/include/amd_shared.h @@ -98,7 +98,8 @@ enum amd_ip_block_type { AMD_IP_BLOCK_TYPE_ACP, AMD_IP_BLOCK_TYPE_VCN, AMD_IP_BLOCK_TYPE_MES, - AMD_IP_BLOCK_TYPE_JPEG + AMD_IP_BLOCK_TYPE_JPEG, + AMD_IP_BLOCK_TYPE_NUM, }; enum amd_clockgating_state { diff --git a/drivers/gpu/drm/amd/pm/amdgpu_dpm.c b/drivers/gpu/drm/amd/pm/amdgpu_dpm.c index 03581d5b1836..08362d506534 100644 --- a/drivers/gpu/drm/amd/pm/amdgpu_dpm.c +++ b/drivers/gpu/drm/amd/pm/amdgpu_dpm.c @@ -927,6 +927,13 @@ int amdgpu_dpm_set_powergating_by_smu(struct amdgpu_device *adev, uint32_t block { int ret = 0; const struct amd_pm_funcs *pp_funcs = adev->powerplay.pp_funcs; + enum ip_power_state pwr_state = gate ? POWER_STATE_OFF : POWER_STATE_ON; + + if (atomic_read(&adev->pm.pwr_state[block_type]) == pwr_state) { + dev_dbg(adev->dev, "IP block%d already in the target %s state!", + block_type, gate ? "gate" : "ungate"); + return 0; + } switch (block_type) { case AMD_IP_BLOCK_TYPE_UVD: @@ -979,6 +986,9 @@ int amdgpu_dpm_set_powergating_by_smu(struct amdgpu_device *adev, uint32_t block break; } + if (!ret) + atomic_set(&adev->pm.pwr_state[block_type], pwr_state); + return ret; } diff --git a/drivers/gpu/drm/amd/pm/inc/amdgpu_dpm.h b/drivers/gpu/drm/amd/pm/inc/amdgpu_dpm.h index 98f1b3d8c1d5..16e3f72d31b9 100644 --- a/drivers/gpu/drm/amd/pm/inc/amdgpu_dpm.h +++ b/drivers/gpu/drm/amd/pm/inc/amdgpu_dpm.h @@ -417,6 +417,12 @@ struct amdgpu_dpm { enum amd_dpm_forced_level forced_level; }; +enum ip_power_state { + POWER_STATE_UNKNOWN, + POWER_STATE_ON, + POWER_STATE_OFF, +}; + struct amdgpu_pm { struct mutex mutex; u32 current_sclk; @@ -452,6 +458,8 @@ struct amdgpu_pm { struct i2c_adapter smu_i2c; struct mutex smu_i2c_mutex; struct list_head pm_attr_list; + + atomic_t pwr_state[AMD_IP_BLOCK_TYPE_NUM]; }; #define R600_SSTU_DFLT 0 diff --git a/drivers/gpu/drm/amd/pm/swsmu/smu11/cyan_skillfish_ppt.c b/drivers/gpu/drm/amd/pm/swsmu/smu11/cyan_skillfish_ppt.c index cbc3f99e8573..2238ee19c222 100644 --- a/drivers/gpu/drm/amd/pm/swsmu/smu11/cyan_skillfish_ppt.c +++ b/drivers/gpu/drm/amd/pm/swsmu/smu11/cyan_skillfish_ppt.c @@ -309,6 +309,7 @@ static int cyan_skillfish_print_clk_levels(struct smu_context *smu, { int ret = 0, size = 0; uint32_t cur_value = 0; + int i; smu_cmn_get_sysfs_buf(&buf, &size); @@ -334,8 +335,6 @@ static int cyan_skillfish_print_clk_levels(struct smu_context *smu, size += sysfs_emit_at(buf, size, "VDDC: %7umV %10umV\n", CYAN_SKILLFISH_VDDC_MIN, CYAN_SKILLFISH_VDDC_MAX); break; - case SMU_GFXCLK: - case SMU_SCLK: case SMU_FCLK: case SMU_MCLK: case SMU_SOCCLK: @@ -346,6 +345,25 @@ static int cyan_skillfish_print_clk_levels(struct smu_context *smu, return ret; size += sysfs_emit_at(buf, size, "0: %uMhz *\n", cur_value); break; + case SMU_SCLK: + case SMU_GFXCLK: + ret = cyan_skillfish_get_current_clk_freq(smu, clk_type, &cur_value); + if (ret) + return ret; + if (cur_value == CYAN_SKILLFISH_SCLK_MAX) + i = 2; + else if (cur_value == CYAN_SKILLFISH_SCLK_MIN) + i = 0; + else + i = 1; + size += sysfs_emit_at(buf, size, "0: %uMhz %s\n", CYAN_SKILLFISH_SCLK_MIN, + i == 0 ? "*" : ""); + size += sysfs_emit_at(buf, size, "1: %uMhz %s\n", + i == 1 ? cur_value : cyan_skillfish_sclk_default, + i == 1 ? "*" : ""); + size += sysfs_emit_at(buf, size, "2: %uMhz %s\n", CYAN_SKILLFISH_SCLK_MAX, + i == 2 ? "*" : ""); + break; default: dev_warn(smu->adev->dev, "Unsupported clock type\n"); return ret; diff --git a/drivers/gpu/drm/amd/pm/swsmu/smu11/navi10_ppt.c b/drivers/gpu/drm/amd/pm/swsmu/smu11/navi10_ppt.c index 71161f6b78fe..60a557068ea4 100644 --- a/drivers/gpu/drm/amd/pm/swsmu/smu11/navi10_ppt.c +++ b/drivers/gpu/drm/amd/pm/swsmu/smu11/navi10_ppt.c @@ -1265,7 +1265,7 @@ static int navi10_print_clk_levels(struct smu_context *smu, enum smu_clk_type clk_type, char *buf) { uint16_t *curve_settings; - int i, size = 0, ret = 0; + int i, levels, size = 0, ret = 0; uint32_t cur_value = 0, value = 0, count = 0; uint32_t freq_values[3] = {0}; uint32_t mark_index = 0; @@ -1319,14 +1319,17 @@ static int navi10_print_clk_levels(struct smu_context *smu, freq_values[1] = cur_value; mark_index = cur_value == freq_values[0] ? 0 : cur_value == freq_values[2] ? 2 : 1; - if (mark_index != 1) - freq_values[1] = (freq_values[0] + freq_values[2]) / 2; - for (i = 0; i < 3; i++) { + levels = 3; + if (mark_index != 1) { + levels = 2; + freq_values[1] = freq_values[2]; + } + + for (i = 0; i < levels; i++) { size += sysfs_emit_at(buf, size, "%d: %uMhz %s\n", i, freq_values[i], i == mark_index ? "*" : ""); } - } break; case SMU_PCIE: diff --git a/drivers/gpu/drm/amd/pm/swsmu/smu11/vangogh_ppt.c b/drivers/gpu/drm/amd/pm/swsmu/smu11/vangogh_ppt.c index 421f38e8dada..c02ed65ffa38 100644 --- a/drivers/gpu/drm/amd/pm/swsmu/smu11/vangogh_ppt.c +++ b/drivers/gpu/drm/amd/pm/swsmu/smu11/vangogh_ppt.c @@ -683,6 +683,7 @@ static int vangogh_print_clk_levels(struct smu_context *smu, int i, size = 0, ret = 0; uint32_t cur_value = 0, value = 0, count = 0; bool cur_value_match_level = false; + uint32_t min, max; memset(&metrics, 0, sizeof(metrics)); @@ -743,6 +744,13 @@ static int vangogh_print_clk_levels(struct smu_context *smu, if (ret) return ret; break; + case SMU_GFXCLK: + case SMU_SCLK: + ret = smu_cmn_send_smc_msg_with_param(smu, SMU_MSG_GetGfxclkFrequency, 0, &cur_value); + if (ret) { + return ret; + } + break; default: break; } @@ -768,6 +776,24 @@ static int vangogh_print_clk_levels(struct smu_context *smu, if (!cur_value_match_level) size += sysfs_emit_at(buf, size, " %uMhz *\n", cur_value); break; + case SMU_GFXCLK: + case SMU_SCLK: + min = (smu->gfx_actual_hard_min_freq > 0) ? smu->gfx_actual_hard_min_freq : smu->gfx_default_hard_min_freq; + max = (smu->gfx_actual_soft_max_freq > 0) ? smu->gfx_actual_soft_max_freq : smu->gfx_default_soft_max_freq; + if (cur_value == max) + i = 2; + else if (cur_value == min) + i = 0; + else + i = 1; + size += sysfs_emit_at(buf, size, "0: %uMhz %s\n", min, + i == 0 ? "*" : ""); + size += sysfs_emit_at(buf, size, "1: %uMhz %s\n", + i == 1 ? cur_value : VANGOGH_UMD_PSTATE_STANDARD_GFXCLK, + i == 1 ? "*" : ""); + size += sysfs_emit_at(buf, size, "2: %uMhz %s\n", max, + i == 2 ? "*" : ""); + break; default: break; } diff --git a/drivers/gpu/drm/amd/pm/swsmu/smu13/yellow_carp_ppt.c b/drivers/gpu/drm/amd/pm/swsmu/smu13/yellow_carp_ppt.c index 8215bbf5ed7c..caf1775d48ef 100644 --- a/drivers/gpu/drm/amd/pm/swsmu/smu13/yellow_carp_ppt.c +++ b/drivers/gpu/drm/amd/pm/swsmu/smu13/yellow_carp_ppt.c @@ -697,6 +697,11 @@ static int yellow_carp_get_current_clk_freq(struct smu_context *smu, case SMU_FCLK: return smu_cmn_send_smc_msg_with_param(smu, SMU_MSG_GetFclkFrequency, 0, value); + case SMU_GFXCLK: + case SMU_SCLK: + return smu_cmn_send_smc_msg_with_param(smu, + SMU_MSG_GetGfxclkFrequency, 0, value); + break; default: return -EINVAL; } @@ -967,6 +972,7 @@ static int yellow_carp_print_clk_levels(struct smu_context *smu, { int i, size = 0, ret = 0; uint32_t cur_value = 0, value = 0, count = 0; + uint32_t min, max; smu_cmn_get_sysfs_buf(&buf, &size); @@ -1005,6 +1011,27 @@ static int yellow_carp_print_clk_levels(struct smu_context *smu, cur_value == value ? "*" : ""); } break; + case SMU_GFXCLK: + case SMU_SCLK: + ret = yellow_carp_get_current_clk_freq(smu, clk_type, &cur_value); + if (ret) + goto print_clk_out; + min = (smu->gfx_actual_hard_min_freq > 0) ? smu->gfx_actual_hard_min_freq : smu->gfx_default_hard_min_freq; + max = (smu->gfx_actual_soft_max_freq > 0) ? smu->gfx_actual_soft_max_freq : smu->gfx_default_soft_max_freq; + if (cur_value == max) + i = 2; + else if (cur_value == min) + i = 0; + else + i = 1; + size += sysfs_emit_at(buf, size, "0: %uMhz %s\n", min, + i == 0 ? "*" : ""); + size += sysfs_emit_at(buf, size, "1: %uMhz %s\n", + i == 1 ? cur_value : YELLOW_CARP_UMD_PSTATE_GFXCLK, + i == 1 ? "*" : ""); + size += sysfs_emit_at(buf, size, "2: %uMhz %s\n", max, + i == 2 ? "*" : ""); + break; default: break; } diff --git a/drivers/gpu/drm/amd/pm/swsmu/smu13/yellow_carp_ppt.h b/drivers/gpu/drm/amd/pm/swsmu/smu13/yellow_carp_ppt.h index b3ad8352c68a..a9205a8ea3ad 100644 --- a/drivers/gpu/drm/amd/pm/swsmu/smu13/yellow_carp_ppt.h +++ b/drivers/gpu/drm/amd/pm/swsmu/smu13/yellow_carp_ppt.h @@ -24,5 +24,6 @@ #define __YELLOW_CARP_PPT_H__ extern void yellow_carp_set_ppt_funcs(struct smu_context *smu); +#define YELLOW_CARP_UMD_PSTATE_GFXCLK 1100 #endif diff --git a/drivers/gpu/drm/amd/pm/swsmu/smu_cmn.c b/drivers/gpu/drm/amd/pm/swsmu/smu_cmn.c index 843d2cbfc71d..ea6f50c08c5f 100644 --- a/drivers/gpu/drm/amd/pm/swsmu/smu_cmn.c +++ b/drivers/gpu/drm/amd/pm/swsmu/smu_cmn.c @@ -139,9 +139,13 @@ static void __smu_cmn_reg_print_error(struct smu_context *smu, const char *message = smu_get_message_name(smu, msg); switch (reg_c2pmsg_90) { - case SMU_RESP_NONE: + case SMU_RESP_NONE: { + u32 msg_idx = RREG32_SOC15(MP1, 0, mmMP1_SMN_C2PMSG_66); + u32 prm = RREG32_SOC15(MP1, 0, mmMP1_SMN_C2PMSG_82); dev_err_ratelimited(adev->dev, - "SMU: I'm not done with your previous command!"); + "SMU: I'm not done with your previous command: SMN_C2PMSG_66:0x%08X SMN_C2PMSG_82:0x%08X", + msg_idx, prm); + } break; case SMU_RESP_OK: /* The SMU executed the command. It completed with a diff --git a/drivers/gpu/drm/bridge/Kconfig b/drivers/gpu/drm/bridge/Kconfig index 431b6e12a81f..61db5a66b493 100644 --- a/drivers/gpu/drm/bridge/Kconfig +++ b/drivers/gpu/drm/bridge/Kconfig @@ -182,6 +182,7 @@ config DRM_PARADE_PS8622 config DRM_PARADE_PS8640 tristate "Parade PS8640 MIPI DSI to eDP Converter" depends on OF + select DRM_DP_AUX_BUS select DRM_KMS_HELPER select DRM_MIPI_DSI select DRM_PANEL diff --git a/drivers/gpu/drm/bridge/adv7511/adv7511.h b/drivers/gpu/drm/bridge/adv7511/adv7511.h index 05e3abb5a0c9..592ecfcf00ca 100644 --- a/drivers/gpu/drm/bridge/adv7511/adv7511.h +++ b/drivers/gpu/drm/bridge/adv7511/adv7511.h @@ -401,7 +401,6 @@ void adv7533_mode_set(struct adv7511 *adv, const struct drm_display_mode *mode); int adv7533_patch_registers(struct adv7511 *adv); int adv7533_patch_cec_registers(struct adv7511 *adv); int adv7533_attach_dsi(struct adv7511 *adv); -void adv7533_detach_dsi(struct adv7511 *adv); int adv7533_parse_dt(struct device_node *np, struct adv7511 *adv); #ifdef CONFIG_DRM_I2C_ADV7511_AUDIO diff --git a/drivers/gpu/drm/bridge/adv7511/adv7511_drv.c b/drivers/gpu/drm/bridge/adv7511/adv7511_drv.c index 76555ae64e9c..f8e5da148599 100644 --- a/drivers/gpu/drm/bridge/adv7511/adv7511_drv.c +++ b/drivers/gpu/drm/bridge/adv7511/adv7511_drv.c @@ -910,9 +910,6 @@ static int adv7511_bridge_attach(struct drm_bridge *bridge, return ret; } - if (adv->type == ADV7533 || adv->type == ADV7535) - ret = adv7533_attach_dsi(adv); - if (adv->i2c_main->irq) regmap_write(adv->regmap, ADV7511_REG_INT_ENABLE(0), ADV7511_INT0_HPD); @@ -1288,8 +1285,18 @@ static int adv7511_probe(struct i2c_client *i2c, const struct i2c_device_id *id) drm_bridge_add(&adv7511->bridge); adv7511_audio_init(dev, adv7511); + + if (adv7511->type == ADV7533 || adv7511->type == ADV7535) { + ret = adv7533_attach_dsi(adv7511); + if (ret) + goto err_unregister_audio; + } + return 0; +err_unregister_audio: + adv7511_audio_exit(adv7511); + drm_bridge_remove(&adv7511->bridge); err_unregister_cec: i2c_unregister_device(adv7511->i2c_cec); clk_disable_unprepare(adv7511->cec_clk); @@ -1307,8 +1314,6 @@ static int adv7511_remove(struct i2c_client *i2c) { struct adv7511 *adv7511 = i2c_get_clientdata(i2c); - if (adv7511->type == ADV7533 || adv7511->type == ADV7535) - adv7533_detach_dsi(adv7511); i2c_unregister_device(adv7511->i2c_cec); clk_disable_unprepare(adv7511->cec_clk); diff --git a/drivers/gpu/drm/bridge/adv7511/adv7533.c b/drivers/gpu/drm/bridge/adv7511/adv7533.c index 59d718bde8c4..eb7579dec40a 100644 --- a/drivers/gpu/drm/bridge/adv7511/adv7533.c +++ b/drivers/gpu/drm/bridge/adv7511/adv7533.c @@ -153,11 +153,10 @@ int adv7533_attach_dsi(struct adv7511 *adv) return -EPROBE_DEFER; } - dsi = mipi_dsi_device_register_full(host, &info); + dsi = devm_mipi_dsi_device_register_full(dev, host, &info); if (IS_ERR(dsi)) { dev_err(dev, "failed to create dsi device\n"); - ret = PTR_ERR(dsi); - goto err_dsi_device; + return PTR_ERR(dsi); } adv->dsi = dsi; @@ -167,24 +166,13 @@ int adv7533_attach_dsi(struct adv7511 *adv) dsi->mode_flags = MIPI_DSI_MODE_VIDEO | MIPI_DSI_MODE_VIDEO_SYNC_PULSE | MIPI_DSI_MODE_NO_EOT_PACKET | MIPI_DSI_MODE_VIDEO_HSE; - ret = mipi_dsi_attach(dsi); + ret = devm_mipi_dsi_attach(dev, dsi); if (ret < 0) { dev_err(dev, "failed to attach dsi to host\n"); - goto err_dsi_attach; + return ret; } return 0; - -err_dsi_attach: - mipi_dsi_device_unregister(dsi); -err_dsi_device: - return ret; -} - -void adv7533_detach_dsi(struct adv7511 *adv) -{ - mipi_dsi_detach(adv->dsi); - mipi_dsi_device_unregister(adv->dsi); } int adv7533_parse_dt(struct device_node *np, struct adv7511 *adv) diff --git a/drivers/gpu/drm/bridge/analogix/analogix_dp_reg.c b/drivers/gpu/drm/bridge/analogix/analogix_dp_reg.c index cab6c8b92efd..6a4f20fccf84 100644 --- a/drivers/gpu/drm/bridge/analogix/analogix_dp_reg.c +++ b/drivers/gpu/drm/bridge/analogix/analogix_dp_reg.c @@ -998,11 +998,21 @@ int analogix_dp_send_psr_spd(struct analogix_dp_device *dp, if (!blocking) return 0; + /* + * db[1]!=0: entering PSR, wait for fully active remote frame buffer. + * db[1]==0: exiting PSR, wait for either + * (a) ACTIVE_RESYNC - the sink "must display the + * incoming active frames from the Source device with no visible + * glitches and/or artifacts", even though timings may still be + * re-synchronizing; or + * (b) INACTIVE - the transition is fully complete. + */ ret = readx_poll_timeout(analogix_dp_get_psr_status, dp, psr_status, psr_status >= 0 && ((vsc->db[1] && psr_status == DP_PSR_SINK_ACTIVE_RFB) || - (!vsc->db[1] && psr_status == DP_PSR_SINK_INACTIVE)), 1500, - DP_TIMEOUT_PSR_LOOP_MS * 1000); + (!vsc->db[1] && (psr_status == DP_PSR_SINK_ACTIVE_RESYNC || + psr_status == DP_PSR_SINK_INACTIVE))), + 1500, DP_TIMEOUT_PSR_LOOP_MS * 1000); if (ret) { dev_warn(dp->dev, "Failed to apply PSR %d\n", ret); return ret; diff --git a/drivers/gpu/drm/bridge/analogix/anx7625.c b/drivers/gpu/drm/bridge/analogix/anx7625.c index 1a871f6b6822..001fb39d9919 100644 --- a/drivers/gpu/drm/bridge/analogix/anx7625.c +++ b/drivers/gpu/drm/bridge/analogix/anx7625.c @@ -32,6 +32,8 @@ #include #include +#include +#include #include