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KVM: SVM: remove unnecessary check on INIT intercept

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Since svm_check_nested_events() is now handling INIT signals, there is
no need to latch it until the VMEXIT is injected.  The only condition
under which INIT signals are latched is GIF=0.

Suggested-by: Maxim Levitsky <mlevitsk@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Maxim Levitsky <mlevitsk@redhat.com>
Link: https://lore.kernel.org/r/20220819165643.83692-1-pbonzini@redhat.com
Signed-off-by: Sean Christopherson <seanjc@google.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Paolo Bonzini 2022-08-19 12:56:43 -04:00
parent afe30b59d3
commit db25eb87ad
1 changed files with 1 additions and 9 deletions
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10
arch/x86/kvm/svm/svm.c
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@ -4697,15 +4697,7 @@ static bool svm_apic_init_signal_blocked(struct kvm_vcpu *vcpu)
{ {
struct vcpu_svm *svm = to_svm(vcpu); struct vcpu_svm *svm = to_svm(vcpu);
/* return !gif_set(svm);
* TODO: Last condition latch INIT signals on vCPU when
* vCPU is in guest-mode and vmcb12 defines intercept on INIT.
* To properly emulate the INIT intercept,
* svm_check_nested_events() should call nested_svm_vmexit()
* if an INIT signal is pending.
*/
return !gif_set(svm) ||
(vmcb_is_intercept(&svm->vmcb->control, INTERCEPT_INIT));
} }
static void svm_vcpu_deliver_sipi_vector(struct kvm_vcpu *vcpu, u8 vector) static void svm_vcpu_deliver_sipi_vector(struct kvm_vcpu *vcpu, u8 vector)