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| author | Suzuki K. Poulose <suzuki.poulose@arm.com> | 2015-10-19 16:24:39 +0300 |
|---|---|---|
| committer | Catalin Marinas <catalin.marinas@arm.com> | 2015-10-21 17:33:15 +0300 |
| commit | 3a75578efae64b94d76eacbf8adf2a3ab13c6aa1 (patch) | |
| tree | f71756fc694a5b09332eada3813a0cabbd604b73 /arch/arm64/include | |
| parent | 64f17818977d0989f7d05347670777611b295799 (diff) | |
| download | linux-3a75578efae64b94d76eacbf8adf2a3ab13c6aa1.tar.xz | |
arm64: Delay ELF HWCAP initialisation until all CPUs are up
Delay the ELF HWCAP initialisation until all the (enabled) CPUs are
up, i.e, smp_cpus_done(). This is in preparation for detecting the
common features across the CPUS and creating a consistent ELF HWCAP
for the system.
Signed-off-by: Suzuki K. Poulose <suzuki.poulose@arm.com>
Tested-by: Dave Martin <Dave.Martin@arm.com>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Diffstat (limited to 'arch/arm64/include')
| -rw-r--r-- | arch/arm64/include/asm/cpufeature.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/arm64/include/asm/cpufeature.h b/arch/arm64/include/asm/cpufeature.h index 171570702bb8..b7769f698a75 100644 --- a/arch/arm64/include/asm/cpufeature.h +++ b/arch/arm64/include/asm/cpufeature.h @@ -81,6 +81,7 @@ static inline int __attribute_const__ cpuid_feature_extract_field(u64 features, return (s64)(features << (64 - 4 - field)) >> (64 - 4); } +void __init setup_cpu_features(void); void check_cpu_capabilities(const struct arm64_cpu_capabilities *caps, const char *info); |