diff options
| author | Linus Torvalds <torvalds@linux-foundation.org> | 2010-01-21 07:15:10 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2010-01-21 07:15:10 -0800 |
| commit | def20529227a5c0938c374d11781bd0dbd5edee4 (patch) | |
| tree | 76ba59d7dfdb858892996a59e95a892b43e0e6d2 /arch/arm/include/asm/cacheflush.h | |
| parent | 24bc7347da73a9ed3383056c3d0f28c0e361621e (diff) | |
| parent | 2045124ffd1a5e46d157349016a2c50f19c8c91d (diff) | |
Merge master.kernel.org:/home/rmk/linux-2.6-arm
* master.kernel.org:/home/rmk/linux-2.6-arm:
ARM: 5888/1: arm: Update comments in cacheflush.h and remove unnecessary V6 and V7 comments
ARM: 5886/1: arm: Fix cpu_proc_fin() for proc-v7.S and make kexec work
ARM: 5885/1: arm: Flush TLB entries in setup_mm_for_reboot()
ARM: 5884/1: arm: Fix DCC console for v7
ARM: 5883/1: Revert "disable NX support for OABI-supporting kernels"
ARM: 5882/1: ARM: Fix uncompress code compile for different defines of flush(void)
ARM: fix badly placed mach/plat entries in Kconfig & Makefile
Diffstat (limited to 'arch/arm/include/asm/cacheflush.h')
| -rw-r--r-- | arch/arm/include/asm/cacheflush.h | 20 |
1 files changed, 17 insertions, 3 deletions
diff --git a/arch/arm/include/asm/cacheflush.h b/arch/arm/include/asm/cacheflush.h index 730aefcfbee3..c77d2fa1f6e5 100644 --- a/arch/arm/include/asm/cacheflush.h +++ b/arch/arm/include/asm/cacheflush.h @@ -154,16 +154,16 @@ * Please note that the implementation of these, and the required * effects are cache-type (VIVT/VIPT/PIPT) specific. * - * flush_cache_kern_all() + * flush_kern_all() * * Unconditionally clean and invalidate the entire cache. * - * flush_cache_user_mm(mm) + * flush_user_all() * * Clean and invalidate all user space cache entries * before a change of page tables. * - * flush_cache_user_range(start, end, flags) + * flush_user_range(start, end, flags) * * Clean and invalidate a range of cache entries in the * specified address space before a change of page tables. @@ -179,6 +179,20 @@ * - start - virtual start address * - end - virtual end address * + * coherent_user_range(start, end) + * + * Ensure coherency between the Icache and the Dcache in the + * region described by start, end. If you have non-snooping + * Harvard caches, you need to implement this function. + * - start - virtual start address + * - end - virtual end address + * + * flush_kern_dcache_area(kaddr, size) + * + * Ensure that the data held in page is written back. + * - kaddr - page address + * - size - region size + * * DMA Cache Coherency * =================== * |