breeze/linux
1
0
Fork 0
mirror of https://github.com/torvalds/linux.git synced 2026-01-25 15:03:52 +08:00
Code Issues Packages Projects Releases Wiki Activity

blackfin: cplb-mpu: fix page mask table overflow

Browse Source 
page mask table will overflow without xip related macros.

Signed-off-by: Barry Song <barry.song@analog.com>
Signed-off-by: Bob Liu <lliubbo@gmail.com>
This commit is contained in:
Barry Song
2010-02-21 03:01:20 +00:00
committed by Bob Liu
parent edd8a97e6e
commit 4936afc651
1 changed files with 2 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
arch/blackfin/kernel/cplb-mpu/cplbmgr.c
View File

@@ -120,6 +120,7 @@ MGR_ATTR static noinline int dcplb_miss(unsigned int cpu)
d_data = L2_DMEMORY;
} else if (addr >= physical_mem_end) {
if (addr >= ASYNC_BANK0_BASE && addr < ASYNC_BANK3_BASE + ASYNC_BANK3_SIZE) {
#if defined(CONFIG_ROMFS_ON_MTD) && defined(CONFIG_MTD_ROM)
mask = current_rwx_mask[cpu];
if (mask) {
int page = (addr - (ASYNC_BANK0_BASE - _ramend)) >> PAGE_SHIFT;
@@ -129,6 +130,7 @@ MGR_ATTR static noinline int dcplb_miss(unsigned int cpu)
if (mask[idx] & bit)
d_data |= CPLB_USER_RD;
}
#endif
} else if (addr >= BOOT_ROM_START && addr < BOOT_ROM_START + BOOT_ROM_LENGTH
&& (status & (FAULT_RW | FAULT_USERSUPV)) == FAULT_USERSUPV) {
addr &= ~(1 * 1024 * 1024 - 1);