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[ARM] Fix ARMv6 VIPT cache >= 32K

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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>
This commit is contained in:
Russell King
2005-09-08 15:32:23 +01:00
committed by Russell King
parent b38d950d3a
commit d7b6b35894
2 changed files with 58 additions and 1 deletions
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7
include/asm-arm/cacheflush.h
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@@ -256,7 +256,7 @@ extern void dmac_flush_range(unsigned long, unsigned long);
* Convert calls to our calling convention.
*/
#define flush_cache_all() __cpuc_flush_kern_all()
#ifndef CONFIG_CPU_CACHE_VIPT
static inline void flush_cache_mm(struct mm_struct *mm)
{
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
__cpuc_flush_user_range(addr, addr + PAGE_SIZE, vma->vm_flags);
}
}
#else
extern void flush_cache_mm(struct mm_struct *mm);
extern void flush_cache_range(struct vm_area_struct *vma, unsigned long start, unsigned long end);
extern void flush_cache_page(struct vm_area_struct *vma, unsigned long user_addr, unsigned long pfn);
#endif
/*
* flush_cache_user_range is used when we want to ensure that the