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| author | Suzuki K Poulose <suzuki.poulose@arm.com> | 2017-01-12 17:37:28 +0100 |
|---|---|---|
| committer | Will Deacon <will.deacon@arm.com> | 2017-01-12 18:19:06 +0100 |
| commit | f92f5ce01ee6a6a86cbfc4e3b0d18529c302b1ea (patch) | |
| tree | 281cb42189892418ad05bf500c0cc1b29cc5af55 /arch/arm64/kernel/cpuinfo.c | |
| parent | arm64: Add support for DMA_ATTR_SKIP_CPU_SYNC attribute to swiotlb (diff) | |
| download | linux-f92f5ce01ee6a6a86cbfc4e3b0d18529c302b1ea.tar.xz linux-f92f5ce01ee6a6a86cbfc4e3b0d18529c302b1ea.zip | |
arm64: Advertise support for Rounding double multiply instructions
ARM v8.1 extensions include support for rounding double multiply
add/subtract instructions to the A64 SIMD instructions set. Let
the userspace know about it via a HWCAP bit.
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Will Deacon <will.deacon@arm.com>
Acked-by: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: Suzuki K Poulose <suzuki.poulose@arm.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>
Diffstat (limited to 'arch/arm64/kernel/cpuinfo.c')
| -rw-r--r-- | arch/arm64/kernel/cpuinfo.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/arm64/kernel/cpuinfo.c b/arch/arm64/kernel/cpuinfo.c index 4d44edd2b140..5b22c687f02a 100644 --- a/arch/arm64/kernel/cpuinfo.c +++ b/arch/arm64/kernel/cpuinfo.c @@ -64,6 +64,7 @@ static const char *const hwcap_str[] = { "fphp", "asimdhp", "cpuid", + "asimdrdm", NULL }; |