diff options
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 |