diff options
| author | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2014-06-10 01:04:40 -0400 |
|---|---|---|
| committer | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2014-06-11 02:31:20 -0400 |
| commit | dd58a092c4202f2bd490adab7285b3ff77f8e467 (patch) | |
| tree | 40bc4732fdc5b96a146cb7e2e2d6070f85ed7009 /arch/powerpc/include/uapi | |
| parent | dfb945473ae8528fd885607b6fa843c676745e0c (diff) | |
powerpc: Add AT_HWCAP2 to indicate V.CRYPTO category support
The Vector Crypto category instructions are supported by current POWER8
chips, advertise them to userspace using a specific bit to properly
differentiate with chips of the same architecture level that might not
have them.
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
CC: <stable@vger.kernel.org> [v3.10+]
Diffstat (limited to 'arch/powerpc/include/uapi')
| -rw-r--r-- | arch/powerpc/include/uapi/asm/cputable.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/powerpc/include/uapi/asm/cputable.h b/arch/powerpc/include/uapi/asm/cputable.h index 5b7657959faa..de2c0e4ee1aa 100644 --- a/arch/powerpc/include/uapi/asm/cputable.h +++ b/arch/powerpc/include/uapi/asm/cputable.h | |||
| @@ -41,5 +41,6 @@ | |||
| 41 | #define PPC_FEATURE2_EBB 0x10000000 | 41 | #define PPC_FEATURE2_EBB 0x10000000 |
| 42 | #define PPC_FEATURE2_ISEL 0x08000000 | 42 | #define PPC_FEATURE2_ISEL 0x08000000 |
| 43 | #define PPC_FEATURE2_TAR 0x04000000 | 43 | #define PPC_FEATURE2_TAR 0x04000000 |
| 44 | #define PPC_FEATURE2_VEC_CRYPTO 0x02000000 | ||
| 44 | 45 | ||
| 45 | #endif /* _UAPI__ASM_POWERPC_CPUTABLE_H */ | 46 | #endif /* _UAPI__ASM_POWERPC_CPUTABLE_H */ |