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| author |   Will Deacon <will.deacon@arm.com> | 2018-12-12 15:52:02 +0000 |
|---|---|---|
| committer | Will Deacon <will.deacon@arm.com> | 2018-12-13 16:42:47 +0000 |
| commit | a56005d3210500f8a166fcb83cbb5ac5d0f909e4 (patch) | |
| tree | 3cf97e6a2144911231e414e6f44201a2b2c0cf02 /arch/arm64/include/asm/cpucaps.h | |
| parent | arm64: docs: document pointer authentication (diff) | |
| download | linux-dev-a56005d3210500f8a166fcb83cbb5ac5d0f909e4.tar.xz linux-dev-a56005d3210500f8a166fcb83cbb5ac5d0f909e4.zip | |
arm64: cpufeature: Reduce number of pointer auth CPU caps from 6 to 4
We can easily avoid defining the two meta-capabilities for the address
and generic keys, so remove them and instead just check both of the
architected and impdef capabilities when determining the level of system
support.
Reviewed-by: Suzuki Poulose <suzuki.poulose@arm.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>
Diffstat (limited to 'arch/arm64/include/asm/cpucaps.h')
| -rw-r--r-- | arch/arm64/include/asm/cpucaps.h | 8 |
1 files changed, 3 insertions, 5 deletions
diff --git a/arch/arm64/include/asm/cpucaps.h b/arch/arm64/include/asm/cpucaps.h index 803f388e81d4..82e9099834ae 100644 --- a/arch/arm64/include/asm/cpucaps.h +++ b/arch/arm64/include/asm/cpucaps.h @@ -58,11 +58,9 @@ #define ARM64_WORKAROUND_1165522 37 #define ARM64_HAS_ADDRESS_AUTH_ARCH 38 #define ARM64_HAS_ADDRESS_AUTH_IMP_DEF 39 -#define ARM64_HAS_ADDRESS_AUTH 40 -#define ARM64_HAS_GENERIC_AUTH_ARCH 41 -#define ARM64_HAS_GENERIC_AUTH_IMP_DEF 42 -#define ARM64_HAS_GENERIC_AUTH 43 +#define ARM64_HAS_GENERIC_AUTH_ARCH 40 +#define ARM64_HAS_GENERIC_AUTH_IMP_DEF 41 -#define ARM64_NCAPS 44 +#define ARM64_NCAPS 42 #endif /* __ASM_CPUCAPS_H */ |