Commit dab429a7 authored by David Kaplan's avatar David Kaplan Committed by Marcelo Tosatti

kvm: svm: make wbinvd faster

No need to re-decode WBINVD since we know what it is from the intercept.
Signed-off-by: default avatarDavid Kaplan <David.Kaplan@amd.com>
[extracted from larger unlrelated patch, forward ported, tested,style cleanup]
Signed-off-by: default avatarJoel Schopp <joel.schopp@amd.com>
Reviewed-by: default avatarRadim Krčmář <rkrcmar@redhat.com>
Signed-off-by: default avatarMarcelo Tosatti <mtosatti@redhat.com>
parent 5cb56059
......@@ -2774,6 +2774,12 @@ static int skinit_interception(struct vcpu_svm *svm)
return 1;
}
static int wbinvd_interception(struct vcpu_svm *svm)
{
kvm_emulate_wbinvd(&svm->vcpu);
return 1;
}
static int xsetbv_interception(struct vcpu_svm *svm)
{
u64 new_bv = kvm_read_edx_eax(&svm->vcpu);
......@@ -3373,7 +3379,7 @@ static int (*const svm_exit_handlers[])(struct vcpu_svm *svm) = {
[SVM_EXIT_STGI] = stgi_interception,
[SVM_EXIT_CLGI] = clgi_interception,
[SVM_EXIT_SKINIT] = skinit_interception,
[SVM_EXIT_WBINVD] = emulate_on_interception,
[SVM_EXIT_WBINVD] = wbinvd_interception,
[SVM_EXIT_MONITOR] = monitor_interception,
[SVM_EXIT_MWAIT] = mwait_interception,
[SVM_EXIT_XSETBV] = xsetbv_interception,
......
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