On Wed, Apr 29, 2020 at 11:36:33AM +0200, Vitaly Kuznetsov wrote: > Introduce new capability to indicate that KVM supports interrupt based > delivery of type 2 APF events (page ready notifications). This includes > support for both MSR_KVM_ASYNC_PF2 and MSR_KVM_ASYNC_PF_ACK. > > Signed-off-by: Vitaly Kuznetsov <vkuznets@xxxxxxxxxx> > --- > Documentation/virt/kvm/cpuid.rst | 6 ++++++ > arch/x86/include/uapi/asm/kvm_para.h | 1 + > arch/x86/kvm/cpuid.c | 3 ++- > arch/x86/kvm/x86.c | 1 + > include/uapi/linux/kvm.h | 1 + > 5 files changed, 11 insertions(+), 1 deletion(-) > > diff --git a/Documentation/virt/kvm/cpuid.rst b/Documentation/virt/kvm/cpuid.rst > index 01b081f6e7ea..5383d68e3217 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_PV_SCHED_YIELD 14 guest checks this feature bit Copy/paste fail > + before using the second async > + pf control msr 0x4b564d06 and > + async pf acknowledgment msr > + 0x4b564d07. > +
