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| author | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2009-03-19 19:34:15 +0000 |
|---|---|---|
| committer | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2009-03-24 13:47:34 +1100 |
| commit | a033a487f8ae79800a15774cb6565cbbca685fc6 (patch) | |
| tree | aca38e1e3d92ac1be2d4d965dd48a8eaa6d14b40 /arch/powerpc/include/asm/pte-hash64.h | |
| parent | ff7c660092de1f70e156cf95784a4b55556412d9 (diff) | |
powerpc/mm: Add option for non-atomic PTE updates to ppc64
ppc32 has it already, add it to ppc64 as a preliminary for adding
support for Book3E 64-bit support
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Diffstat (limited to 'arch/powerpc/include/asm/pte-hash64.h')
| -rw-r--r-- | arch/powerpc/include/asm/pte-hash64.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/powerpc/include/asm/pte-hash64.h b/arch/powerpc/include/asm/pte-hash64.h index b61b7e4a18de..0419eeb53274 100644 --- a/arch/powerpc/include/asm/pte-hash64.h +++ b/arch/powerpc/include/asm/pte-hash64.h @@ -41,6 +41,8 @@ #define _PTEIDX_SECONDARY 0x8 #define _PTEIDX_GROUP_IX 0x7 +/* Hash table based platforms need atomic updates of the linux PTE */ +#define PTE_ATOMIC_UPDATES 1 #ifdef CONFIG_PPC_64K_PAGES #include <asm/pte-hash64-64k.h> |