On 2023/11/29 17:04, Dongxu Sun wrote:
diff --git a/Documentation/virt/kvm/api.rst b/Documentation/virt/kvm/api.rst index f1fb66bff1c0..7eb16d71d7e2 100644 --- a/Documentation/virt/kvm/api.rst +++ b/Documentation/virt/kvm/api.rst @@ -6822,3 +6822,12 @@ Ordering of KVM_GET_*/KVM_SET_* ioctls ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
TBD
+8.31 KVM_CAP_PTP_KVM +--------------------
+:Architectures: arm64
+This capability indicates that the KVM virtual PTP service is +supported in the host. A VMM can check whether the service is +available to the guest on migration.
可以放在“9. Known KVM API problems”上面
diff --git a/include/uapi/linux/kvm.h b/include/uapi/linux/kvm.h index 90b2e4a3198d..f8893349a278 100644 --- a/include/uapi/linux/kvm.h +++ b/include/uapi/linux/kvm.h @@ -1087,6 +1087,7 @@ struct kvm_ppc_resize_hpt { #define KVM_CAP_X86_MSR_FILTER 189 #define KVM_CAP_ENFORCE_PV_FEATURE_CPUID 190 #define KVM_CAP_X86_BUS_LOCK_EXIT 193 +#define KVM_CAP_PTP_KVM 195 #define KVM_CAP_SGX_ATTRIBUTE 196 #define KVM_CAP_XSAVE2 208 #define KVM_CAP_SYS_ATTRIBUTES 209
要和主线内核保持一致：
#define KVM_CAP_PTP_KVM 198