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| author |   Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2014-06-10 15:04:40 +1000 |
|---|---|---|
| committer | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2014-06-11 16:31:20 +1000 |
| commit | dd58a092c4202f2bd490adab7285b3ff77f8e467 (patch) | |
| tree | 40bc4732fdc5b96a146cb7e2e2d6070f85ed7009 /arch/powerpc/kernel/cputable.c | |
| parent | Merge git://www.linux-watchdog.org/linux-watchdog (diff) | |
| download | linux-dev-dd58a092c4202f2bd490adab7285b3ff77f8e467.tar.xz linux-dev-dd58a092c4202f2bd490adab7285b3ff77f8e467.zip | |
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/kernel/cputable.c')
| -rw-r--r-- | arch/powerpc/kernel/cputable.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/arch/powerpc/kernel/cputable.c b/arch/powerpc/kernel/cputable.c index c1faade6506d..11da04a4625a 100644 --- a/arch/powerpc/kernel/cputable.c +++ b/arch/powerpc/kernel/cputable.c @@ -109,7 +109,8 @@ extern void __restore_cpu_e6500(void); PPC_FEATURE_PSERIES_PERFMON_COMPAT) #define COMMON_USER2_POWER8 (PPC_FEATURE2_ARCH_2_07 | \ PPC_FEATURE2_HTM_COMP | PPC_FEATURE2_DSCR | \ - PPC_FEATURE2_ISEL | PPC_FEATURE2_TAR) + PPC_FEATURE2_ISEL | PPC_FEATURE2_TAR | \ + PPC_FEATURE2_VEC_CRYPTO) #define COMMON_USER_PA6T (COMMON_USER_PPC64 | PPC_FEATURE_PA6T |\ PPC_FEATURE_TRUE_LE | \ PPC_FEATURE_HAS_ALTIVEC_COMP) |