Add KVM_CAP_ARM_CPU_FEATURE extension for userpace to check whether KVM supports to set CPU features in AArch64.
Signed-off-by: zhanghailiang <[email protected]> Signed-off-by: Peng Liang <[email protected]> --- arch/arm64/kvm/arm.c | 1 + include/uapi/linux/kvm.h | 1 + 2 files changed, 2 insertions(+) diff --git a/arch/arm64/kvm/arm.c b/arch/arm64/kvm/arm.c index 18ebbe1c64ee..72b9e8fc606f 100644 --- a/arch/arm64/kvm/arm.c +++ b/arch/arm64/kvm/arm.c @@ -194,6 +194,7 @@ int kvm_vm_ioctl_check_extension(struct kvm *kvm, long ext) case KVM_CAP_ARM_IRQ_LINE_LAYOUT_2: case KVM_CAP_ARM_NISV_TO_USER: case KVM_CAP_ARM_INJECT_EXT_DABT: + case KVM_CAP_ARM_CPU_FEATURE: r = 1; break; case KVM_CAP_ARM_SET_DEVICE_ADDR: diff --git a/include/uapi/linux/kvm.h b/include/uapi/linux/kvm.h index 1029444d04aa..0eca4f7c7fef 100644 --- a/include/uapi/linux/kvm.h +++ b/include/uapi/linux/kvm.h @@ -1035,6 +1035,7 @@ struct kvm_ppc_resize_hpt { #define KVM_CAP_LAST_CPU 184 #define KVM_CAP_SMALLER_MAXPHYADDR 185 #define KVM_CAP_S390_DIAG318 186 +#define KVM_CAP_ARM_CPU_FEATURE 187 #ifdef KVM_CAP_IRQ_ROUTING -- 2.18.4 _______________________________________________ kvmarm mailing list [email protected] https://lists.cs.columbia.edu/mailman/listinfo/kvmarm
