]> git.baikalelectronics.ru Git - kernel.git/commit
arm64: Expose SVE2 features for userspace
authorDave Martin <Dave.Martin@arm.com>
Thu, 18 Apr 2019 17:41:38 +0000 (18:41 +0100)
committerWill Deacon <will.deacon@arm.com>
Tue, 23 Apr 2019 17:02:00 +0000 (18:02 +0100)
commita902ad3bd157f111cc1f870e8fc4e632aec76e7d
tree7687db5cfb7163edb21e8f6d13bcea9c5c8488e8
parent203b05c2ac72e12e76c7eda6fa9031abf056e5a8
arm64: Expose SVE2 features for userspace

This patch provides support for reporting the presence of SVE2 and
its optional features to userspace.

This will also enable visibility of SVE2 for guests, when KVM
support for SVE-enabled guests is available.

Signed-off-by: Dave Martin <Dave.Martin@arm.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>
Documentation/arm64/cpu-feature-registers.txt
Documentation/arm64/elf_hwcaps.txt
Documentation/arm64/sve.txt
arch/arm64/Kconfig
arch/arm64/include/asm/hwcap.h
arch/arm64/include/asm/sysreg.h
arch/arm64/include/uapi/asm/hwcap.h
arch/arm64/kernel/cpufeature.c
arch/arm64/kernel/cpuinfo.c