diff options
Diffstat (limited to 'arch/powerpc/include')
| -rw-r--r-- | arch/powerpc/include/asm/cacheflush.h | 5 |
1 files changed, 2 insertions, 3 deletions
diff --git a/arch/powerpc/include/asm/cacheflush.h b/arch/powerpc/include/asm/cacheflush.h index e9662648e72d..0d72ec75da63 100644 --- a/arch/powerpc/include/asm/cacheflush.h +++ b/arch/powerpc/include/asm/cacheflush.h @@ -23,10 +23,9 @@ #define flush_cache_range(vma, start, end) do { } while (0) #define flush_cache_page(vma, vmaddr, pfn) do { } while (0) #define flush_icache_page(vma, page) do { } while (0) -#define flush_cache_vmap(start, end) do { } while (0) #define flush_cache_vunmap(start, end) do { } while (0) -#ifdef CONFIG_BOOK3S_64 +#ifdef CONFIG_PPC_BOOK3S_64 /* * Book3s has no ptesync after setting a pte, so without this ptesync it's * possible for a kernel virtual mapping access to return a spurious fault @@ -34,7 +33,7 @@ * not expect this type of fault. flush_cache_vmap is not exactly the right * place to put this, but it seems to work well enough. */ -#define flush_cache_vmap(start, end) do { asm volatile("ptesync"); } while (0) +#define flush_cache_vmap(start, end) do { asm volatile("ptesync" ::: "memory"); } while (0) #else #define flush_cache_vmap(start, end) do { } while (0) #endif |