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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2010-03-18 17:02:35 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2010-03-18 17:02:35 -0700 |
| commit | 39710479303fd3affb3e204e9a7a75cc676977b5 (patch) | |
| tree | 3fff5fb412df77170883f02fc54bdbee9aba4f22 /arch/blackfin/include/asm/mmu_context.h | |
| parent | 9d20593a722c2dab7a5ab74f5d8c9b604aca52f9 (diff) | |
| parent | eb63e5d15758d2b1e607ddd5fb861b5596629380 (diff) | |
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/vapier/blackfin
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/vapier/blackfin: (96 commits)
Blackfin: stop cleaning include/asm/asm-offsets.h
Blackfin: scale calibration when cpu freq changes
Blackfin: eat spurious space in asm/dpmc.h
Blackfin: fix anomaly 283 handling with exact hardware error
Blackfin: bf537-stamp: add example ADXL346 orientation resources
Blackfin: bf537-stamp: add example AD2S1210 IIO resources
Blackfin: don't support keypad wakeup from hibernate
Blackfin: bf537-stamp: add example AD7416 IIO resources
Blackfin: bf537-stamp: add example ADP8860 backlight/led resources
Blackfin: bf537-stamp: add example AD7414 temp sensor resources
Blackfin: rename AD1836 to AD183X in board files
Blackfin: bf537-stamp: add example AD2S120x resources
Blackfin: add support for the on-chip MAC status interrupts
Blackfin: asm/page.h: pull in asm-generic headers
Blackfin: mark gpio lib functions static
Blackfin: bf537-stamp: add example ADAU1361 resources
Blackfin: GPIO: implement to_irq handler
Blackfin: bf537-stamp: add example ADP122/ADP150 power regulator resources
Blackfin: bf537-stamp: add example AD2S90 resources
Blackfin: bf537-stamp: add example AD5398 power regulator resources
...
Diffstat (limited to 'arch/blackfin/include/asm/mmu_context.h')
| -rw-r--r-- | arch/blackfin/include/asm/mmu_context.h | 14 |
1 files changed, 11 insertions, 3 deletions
diff --git a/arch/blackfin/include/asm/mmu_context.h b/arch/blackfin/include/asm/mmu_context.h index ae8ef4ffd806..7f363d7e43a5 100644 --- a/arch/blackfin/include/asm/mmu_context.h +++ b/arch/blackfin/include/asm/mmu_context.h @@ -13,6 +13,7 @@ #include <asm/page.h> #include <asm/pgalloc.h> #include <asm/cplbinit.h> +#include <asm/sections.h> /* Note: L1 stacks are CPU-private things, so we bluntly disable this feature in SMP mode, and use the per-CPU scratch SRAM bank only to @@ -117,9 +118,16 @@ static inline void protect_page(struct mm_struct *mm, unsigned long addr, unsigned long flags) { unsigned long *mask = mm->context.page_rwx_mask; - unsigned long page = addr >> 12; - unsigned long idx = page >> 5; - unsigned long bit = 1 << (page & 31); + unsigned long page; + unsigned long idx; + unsigned long bit; + + if (unlikely(addr >= ASYNC_BANK0_BASE && addr < ASYNC_BANK3_BASE + ASYNC_BANK3_SIZE)) + page = (addr - (ASYNC_BANK0_BASE - _ramend)) >> 12; + else + page = addr >> 12; + idx = page >> 5; + bit = 1 << (page & 31); if (flags & VM_READ) mask[idx] |= bit; |