diff options
author | Russell King <rmk@dyn-67.arm.linux.org.uk> | 2005-09-08 10:32:23 -0400 |
---|---|---|
committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2005-09-08 10:32:23 -0400 |
commit | d7b6b3589471c3856f1e6dc9c77abc4af962ffdb (patch) | |
tree | 82751eba321a062ce91af7f0f0bff8c4c5531a1c /include/asm-arm | |
parent | b38d950d3aedf90c8b15b3c7c799b5eb53c47c45 (diff) |
[ARM] Fix ARMv6 VIPT cache >= 32K
This adds the necessary changes to ensure that we flush the
caches correctly with aliasing VIPT caches.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'include/asm-arm')
-rw-r--r-- | include/asm-arm/cacheflush.h | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/include/asm-arm/cacheflush.h b/include/asm-arm/cacheflush.h index 035cdcff43d2..e81baff4f54b 100644 --- a/include/asm-arm/cacheflush.h +++ b/include/asm-arm/cacheflush.h | |||
@@ -256,7 +256,7 @@ extern void dmac_flush_range(unsigned long, unsigned long); | |||
256 | * Convert calls to our calling convention. | 256 | * Convert calls to our calling convention. |
257 | */ | 257 | */ |
258 | #define flush_cache_all() __cpuc_flush_kern_all() | 258 | #define flush_cache_all() __cpuc_flush_kern_all() |
259 | 259 | #ifndef CONFIG_CPU_CACHE_VIPT | |
260 | static inline void flush_cache_mm(struct mm_struct *mm) | 260 | static inline void flush_cache_mm(struct mm_struct *mm) |
261 | { | 261 | { |
262 | if (cpu_isset(smp_processor_id(), mm->cpu_vm_mask)) | 262 | if (cpu_isset(smp_processor_id(), mm->cpu_vm_mask)) |
@@ -279,6 +279,11 @@ flush_cache_page(struct vm_area_struct *vma, unsigned long user_addr, unsigned l | |||
279 | __cpuc_flush_user_range(addr, addr + PAGE_SIZE, vma->vm_flags); | 279 | __cpuc_flush_user_range(addr, addr + PAGE_SIZE, vma->vm_flags); |
280 | } | 280 | } |
281 | } | 281 | } |
282 | #else | ||
283 | extern void flush_cache_mm(struct mm_struct *mm); | ||
284 | extern void flush_cache_range(struct vm_area_struct *vma, unsigned long start, unsigned long end); | ||
285 | extern void flush_cache_page(struct vm_area_struct *vma, unsigned long user_addr, unsigned long pfn); | ||
286 | #endif | ||
282 | 287 | ||
283 | /* | 288 | /* |
284 | * flush_cache_user_range is used when we want to ensure that the | 289 | * flush_cache_user_range is used when we want to ensure that the |