diff options
Diffstat (limited to 'arch/microblaze/include/asm/cacheflush.h')
| -rw-r--r-- | arch/microblaze/include/asm/cacheflush.h | 13 |
1 files changed, 9 insertions, 4 deletions
diff --git a/arch/microblaze/include/asm/cacheflush.h b/arch/microblaze/include/asm/cacheflush.h index 7ebd955460d9..0f553bc009a0 100644 --- a/arch/microblaze/include/asm/cacheflush.h +++ b/arch/microblaze/include/asm/cacheflush.h @@ -84,12 +84,13 @@ do { \ #define flush_dcache_mmap_lock(mapping) do { } while (0) #define flush_dcache_mmap_unlock(mapping) do { } while (0) - #define flush_cache_dup_mm(mm) do { } while (0) #define flush_cache_vmap(start, end) do { } while (0) #define flush_cache_vunmap(start, end) do { } while (0) #define flush_cache_mm(mm) do { } while (0) -#define flush_cache_page(vma, vmaddr, pfn) do { } while (0) + +#define flush_cache_page(vma, vmaddr, pfn) \ + flush_dcache_range(pfn << PAGE_SHIFT, (pfn << PAGE_SHIFT) + PAGE_SIZE); /* MS: kgdb code use this macro, wrong len with FLASH */ #if 0 @@ -104,9 +105,13 @@ do { \ #define copy_to_user_page(vma, page, vaddr, dst, src, len) \ do { \ u32 addr = virt_to_phys(dst); \ - invalidate_icache_range((unsigned) (addr), (unsigned) (addr) + (len));\ memcpy((dst), (src), (len)); \ - flush_dcache_range((unsigned) (addr), (unsigned) (addr) + (len));\ + if (vma->vm_flags & VM_EXEC) { \ + invalidate_icache_range((unsigned) (addr), \ + (unsigned) (addr) + PAGE_SIZE); \ + flush_dcache_range((unsigned) (addr), \ + (unsigned) (addr) + PAGE_SIZE); \ + } \ } while (0) #define copy_from_user_page(vma, page, vaddr, dst, src, len) \ |