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Diffstat (limited to 'Documentation/virt')
| -rw-r--r-- | Documentation/virt/kvm/api.rst | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/Documentation/virt/kvm/api.rst b/Documentation/virt/kvm/api.rst index fe05201e17be..cdfd98155311 100644 --- a/Documentation/virt/kvm/api.rst +++ b/Documentation/virt/kvm/api.rst @@ -669,6 +669,10 @@ MSRs that have been set successfully. Defines the vcpu responses to the cpuid instruction. Applications should use the KVM_SET_CPUID2 ioctl if available. +Note, when this IOCTL fails, KVM gives no guarantees that previous valid CPUID +configuration (if there is) is not corrupted. Userspace can get a copy of the +resulting CPUID configuration through KVM_GET_CPUID2 in case. + :: struct kvm_cpuid_entry { @@ -4795,6 +4799,7 @@ hardware_exit_reason. /* KVM_EXIT_FAIL_ENTRY */ struct { __u64 hardware_entry_failure_reason; + __u32 cpu; /* if KVM_LAST_CPU */ } fail_entry; If exit_reason is KVM_EXIT_FAIL_ENTRY, the vcpu could not be run due |