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>
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- Documentation/arm64/cpu-feature-registers.txt 16 additions, 0 deletionsDocumentation/arm64/cpu-feature-registers.txt
- Documentation/arm64/elf_hwcaps.txt 24 additions, 0 deletionsDocumentation/arm64/elf_hwcaps.txt
- Documentation/arm64/sve.txt 17 additions, 0 deletionsDocumentation/arm64/sve.txt
- arch/arm64/Kconfig 3 additions, 0 deletionsarch/arm64/Kconfig
- arch/arm64/include/asm/hwcap.h 6 additions, 0 deletionsarch/arm64/include/asm/hwcap.h
- arch/arm64/include/asm/sysreg.h 14 additions, 0 deletionsarch/arm64/include/asm/sysreg.h
- arch/arm64/include/uapi/asm/hwcap.h 6 additions, 0 deletionsarch/arm64/include/uapi/asm/hwcap.h
- arch/arm64/kernel/cpufeature.c 16 additions, 1 deletionarch/arm64/kernel/cpufeature.c
- arch/arm64/kernel/cpuinfo.c 6 additions, 0 deletionsarch/arm64/kernel/cpuinfo.c
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