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| author | Paolo Bonzini <pbonzini@redhat.com> | 2019-05-16 00:41:43 +0300 |
|---|---|---|
| committer | Paolo Bonzini <pbonzini@redhat.com> | 2019-05-16 00:41:43 +0300 |
| commit | dd53f6102c30a774e0db8e55d49017a38060f6f6 (patch) | |
| tree | 82ac5f5dcd56225c70516d82a1612439e8d73669 /arch/arm64/Kconfig | |
| parent | 59c5c58c5b93285753d5c1de34d2e00039c27bc0 (diff) | |
| parent | 9eecfc22e0bfc7a4c8ca007f083f0ae492d6e891 (diff) | |
| download | linux-dd53f6102c30a774e0db8e55d49017a38060f6f6.tar.xz | |
Merge tag 'kvmarm-for-v5.2' of git://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm into HEAD
KVM/arm updates for 5.2
- guest SVE support
- guest Pointer Authentication support
- Better discrimination of perf counters between host and guests
Conflicts:
include/uapi/linux/kvm.h
Diffstat (limited to 'arch/arm64/Kconfig')
| -rw-r--r-- | arch/arm64/Kconfig | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig index 7e34b9eba5de..39470784a50c 100644 --- a/arch/arm64/Kconfig +++ b/arch/arm64/Kconfig @@ -1288,6 +1288,7 @@ menu "ARMv8.3 architectural features" config ARM64_PTR_AUTH bool "Enable support for pointer authentication" default y + depends on !KVM || ARM64_VHE help Pointer authentication (part of the ARMv8.3 Extensions) provides instructions for signing and authenticating pointers against secret @@ -1301,8 +1302,9 @@ config ARM64_PTR_AUTH context-switched along with the process. The feature is detected at runtime. If the feature is not present in - hardware it will not be advertised to userspace nor will it be - enabled. + hardware it will not be advertised to userspace/KVM guest nor will it + be enabled. However, KVM guest also require VHE mode and hence + CONFIG_ARM64_VHE=y option to use this feature. endmenu |