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| author | Vitaly Kuznetsov <vkuznets@redhat.com> | 2020-05-25 16:41:22 +0200 |
|---|---|---|
| committer | Paolo Bonzini <pbonzini@redhat.com> | 2020-06-01 04:26:08 -0400 |
| commit | 72de5fa4c16195827252b961ba44028a39dfeaff (patch) | |
| tree | e662fd0440ec378bd99ce131cee9b51f08bb0863 /Documentation/virt/kvm/cpuid.rst | |
| parent | 557a961abbe06ed9dfd3b55ef7bd6e68295cda3d (diff) | |
| download | linux-72de5fa4c16195827252b961ba44028a39dfeaff.tar.bz2 | |
KVM: x86: announce KVM_FEATURE_ASYNC_PF_INT
Introduce new capability to indicate that KVM supports interrupt based
delivery of 'page ready' APF events. This includes support for both
MSR_KVM_ASYNC_PF_INT and MSR_KVM_ASYNC_PF_ACK.
Signed-off-by: Vitaly Kuznetsov <vkuznets@redhat.com>
Message-Id: <20200525144125.143875-8-vkuznets@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'Documentation/virt/kvm/cpuid.rst')
| -rw-r--r-- | Documentation/virt/kvm/cpuid.rst | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/Documentation/virt/kvm/cpuid.rst b/Documentation/virt/kvm/cpuid.rst index f721c89327ec..a7dff9186bed 100644 --- a/Documentation/virt/kvm/cpuid.rst +++ b/Documentation/virt/kvm/cpuid.rst @@ -86,6 +86,12 @@ KVM_FEATURE_PV_SCHED_YIELD 13 guest checks this feature bit before using paravirtualized sched yield. +KVM_FEATURE_ASYNC_PF_INT 14 guest checks this feature bit + before using the second async + pf control msr 0x4b564d06 and + async pf acknowledgment msr + 0x4b564d07. + KVM_FEATURE_CLOCSOURCE_STABLE_BIT 24 host will warn if no guest-side per-cpu warps are expeced in kvmclock |