]> 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)
commita08d6b8bda0d5a9c354d9f348750da932baf42fd
tree7687db5cfb7163edb21e8f6d13bcea9c5c8488e8
parentda20ec7907200d05def46ec3287cd63da4f2c692
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