Re: [PATCH v3 22/34] KVM: x86: Expose Hyper-V L2 TLB flush feature
From: Maxim Levitsky <hidden>
Date: 2022-05-11 11:34:27
Also in:
kvm, lkml
From: Maxim Levitsky <hidden>
Date: 2022-05-11 11:34:27
Also in:
kvm, lkml
On Thu, 2022-04-14 at 15:20 +0200, Vitaly Kuznetsov wrote:
With both nSVM and nVMX implementations in place, KVM can now expose Hyper-V L2 TLB flush feature to userspace. Signed-off-by: Vitaly Kuznetsov <vkuznets@redhat.com> --- arch/x86/kvm/hyperv.c | 1 + 1 file changed, 1 insertion(+)diff --git a/arch/x86/kvm/hyperv.c b/arch/x86/kvm/hyperv.c index 68a0df4e3f66..1d6927538bc7 100644 --- a/arch/x86/kvm/hyperv.c +++ b/arch/x86/kvm/hyperv.c@@ -2826,6 +2826,7 @@ int kvm_get_hv_cpuid(struct kvm_vcpu *vcpu, struct kvm_cpuid2 *cpuid, case HYPERV_CPUID_NESTED_FEATURES: ent->eax = evmcs_ver; + ent->eax |= HV_X64_NESTED_DIRECT_FLUSH; ent->eax |= HV_X64_NESTED_MSR_BITMAP; break;
Reviewed-by: Maxim Levitsky <redacted> Best regards, Maxim Levitsky