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| author | Shawn Anastasio <shawn@anastas.io> | 2020-08-21 21:55:56 +0300 |
|---|---|---|
| committer | Michael Ellerman <mpe@ellerman.id.au> | 2020-08-24 07:12:53 +0300 |
| commit | 12564485ed8caac3c18572793ec01330792c7191 (patch) | |
| tree | 4c39433df7192a8b16f72299def2b1bc6c634fb4 /arch/powerpc/include/uapi/asm/mman.h | |
| parent | 64ef8f2c4791940d7f3945507b6a45c20d959260 (diff) | |
| download | linux-12564485ed8caac3c18572793ec01330792c7191.tar.xz | |
Revert "powerpc/64s: Remove PROT_SAO support"
This reverts commit 5c9fa16e8abd342ce04dc830c1ebb2a03abf6c05.
Since PROT_SAO can still be useful for certain classes of software,
reintroduce it. Concerns about guest migration for LPARs using SAO
will be addressed next.
Signed-off-by: Shawn Anastasio <shawn@anastas.io>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20200821185558.35561-2-shawn@anastas.io
Diffstat (limited to 'arch/powerpc/include/uapi/asm/mman.h')
| -rw-r--r-- | arch/powerpc/include/uapi/asm/mman.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/powerpc/include/uapi/asm/mman.h b/arch/powerpc/include/uapi/asm/mman.h index 3a700351feca..c0c737215b00 100644 --- a/arch/powerpc/include/uapi/asm/mman.h +++ b/arch/powerpc/include/uapi/asm/mman.h @@ -11,7 +11,7 @@ #include <asm-generic/mman-common.h> -#define PROT_SAO 0x10 /* Unsupported since v5.9 */ +#define PROT_SAO 0x10 /* Strong Access Ordering */ #define MAP_RENAME MAP_ANONYMOUS /* In SunOS terminology */ #define MAP_NORESERVE 0x40 /* don't reserve swap pages */ |