git.baikalelectronics.ru Git - kernel.git/commit

]> git.baikalelectronics.ru Git - kernel.git/commit

author	Joey Gouly <joey.gouly@arm.com>
	Fri, 10 Dec 2021 16:54:30 +0000 (16:54 +0000)
committer	Catalin Marinas <catalin.marinas@arm.com>
	Mon, 13 Dec 2021 18:52:59 +0000 (18:52 +0000)
commit	238802ad3ad957e1cdc20e50f359cb7b5d2b0eed
tree	de22698982896d4808630041ca8797f2b522ca3b	tree \| snapshot
parent	ff04131966d1a79c1b3cf26997a8e7d1433f1b7d	commit \| diff

arm64: cpufeature: add HWCAP for FEAT_AFP

Add a new HWCAP to detect the Alternate Floating-point Behaviour
feature (FEAT_AFP), introduced in Armv8.7.

Also expose this to userspace in the ID_AA64MMFR1_EL1 feature register.

Signed-off-by: Joey Gouly <joey.gouly@arm.com>
Cc: Will Deacon <will@kernel.org>
Acked-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20211210165432.8106-2-joey.gouly@arm.com
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>

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Documentation/arm64/cpu-feature-registers.rst		diff \| blob \| history
Documentation/arm64/elf_hwcaps.rst		diff \| blob \| history
arch/arm64/include/asm/hwcap.h		diff \| blob \| history
arch/arm64/include/asm/sysreg.h		diff \| blob \| history
arch/arm64/include/uapi/asm/hwcap.h		diff \| blob \| history
arch/arm64/kernel/cpufeature.c		diff \| blob \| history
arch/arm64/kernel/cpuinfo.c		diff \| blob \| history