]> git.proxmox.com Git - mirror_ubuntu-artful-kernel.git/commit - arch/arm64/kernel/cpufeature.c
arm64: Advertise support for Rounding double multiply instructions
authorSuzuki K Poulose <suzuki.poulose@arm.com>
Thu, 12 Jan 2017 16:37:28 +0000 (16:37 +0000)
committerWill Deacon <will.deacon@arm.com>
Thu, 12 Jan 2017 17:19:06 +0000 (17:19 +0000)
commitf92f5ce01ee6a6a86cbfc4e3b0d18529c302b1ea
tree281cb42189892418ad05bf500c0cc1b29cc5af55
parent7f332fc1f0f053799aeda587cefbc67b5ecd72c5
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>
arch/arm64/include/uapi/asm/hwcap.h
arch/arm64/kernel/cpufeature.c
arch/arm64/kernel/cpuinfo.c