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We don't currently support the MT ASE for microMIPS kernels, and there are no CPUs currently in existence that use both. They can however both be enabled in Kconfig, resulting in build failures such as: AS arch/mips/kernel/cps-vec.o arch/mips/kernel/cps-vec.S: Assembler messages: arch/mips/kernel/cps-vec.S:242: Warning: the 32-bit microMIPS architecture does not support the `mt' extension arch/mips/kernel/cps-vec.S:276: Error: unrecognized opcode `mttc0 $13,$2,2' arch/mips/kernel/cps-vec.S:282: Error: unrecognized opcode `mttc0 $8,$1,2' arch/mips/kernel/cps-vec.S:285: Error: unrecognized opcode `mttc0 $0,$2,1' ... Fix this by preventing MT from being enabled when targeting microMIPS. Signed-off-by: Paul Burton <paul.burton@imgtec.com> Cc: linux-mips@linux-mips.org Patchwork: https://patchwork.linux-mips.org/patch/16951/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Linux kernel ============ This file was moved to Documentation/admin-guide/README.rst Please notice that there are several guides for kernel developers and users. These guides can be rendered in a number of formats, like HTML and PDF. In order to build the documentation, use ``make htmldocs`` or ``make pdfdocs``. There are various text files in the Documentation/ subdirectory, several of them using the Restructured Text markup notation. See Documentation/00-INDEX for a list of what is contained in each file. Please read the Documentation/process/changes.rst file, as it contains the requirements for building and running the kernel, and information about the problems which may result by upgrading your kernel.