Messages in this thread Patch in this message | | | From | Paolo Bonzini <> | Subject | [FYI PATCH 14/20] kvm/x86: Hyper-V HV_X64_MSR_VP_INDEX export for QEMU. | Date | Mon, 28 Sep 2015 12:38:59 +0200 |
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From: Andrey Smetanin <asmetanin@virtuozzo.com>
Insert Hyper-V HV_X64_MSR_VP_INDEX into msr's emulated list, so QEMU can set Hyper-V features cpuid HV_X64_MSR_VP_INDEX_AVAILABLE bit correctly. KVM emulation part is in place already.
Necessary to support loading of winhv.sys in guest, which in turn is required to support Windows VMBus.
Signed-off-by: Andrey Smetanin <asmetanin@virtuozzo.com> Reviewed-by: Roman Kagan <rkagan@virtuozzo.com> Signed-off-by: Denis V. Lunev <den@openvz.org> CC: Paolo Bonzini <pbonzini@redhat.com> CC: Gleb Natapov <gleb@kernel.org> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> --- arch/x86/kvm/x86.c | 1 + 1 file changed, 1 insertion(+)
diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c index 7e207de0a13f..5bc598de28a7 100644 --- a/arch/x86/kvm/x86.c +++ b/arch/x86/kvm/x86.c @@ -953,6 +953,7 @@ static u32 emulated_msrs[] = { HV_X64_MSR_CRASH_P0, HV_X64_MSR_CRASH_P1, HV_X64_MSR_CRASH_P2, HV_X64_MSR_CRASH_P3, HV_X64_MSR_CRASH_P4, HV_X64_MSR_CRASH_CTL, HV_X64_MSR_RESET, + HV_X64_MSR_VP_INDEX, HV_X64_MSR_APIC_ASSIST_PAGE, MSR_KVM_ASYNC_PF_EN, MSR_KVM_STEAL_TIME, MSR_KVM_PV_EOI_EN, -- 1.8.3.1
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