diff options
author | David S. Miller <davem@davemloft.net> | 2010-01-23 00:31:06 -0800 |
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committer | David S. Miller <davem@davemloft.net> | 2010-01-23 00:31:06 -0800 |
commit | 51c24aaacaea90c8e87f1dec75a2ac7622b593f8 (patch) | |
tree | 9f54936c87764bef75e97395cb56b7d1e0df24c6 /arch/arm/include/asm/cacheflush.h | |
parent | 4276e47e2d1c85a2477caf0d22b91c4f2377fba8 (diff) | |
parent | 6be325719b3e54624397e413efd4b33a997e55a3 (diff) |
Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6
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 730aefcfbee..c77d2fa1f6e 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 * =================== * |