Re: [PATCH RESEND 3/3] KVM: SVM: Reenable handle_fastpath_set_msr_irqoff() after complete_interrupts()

[Paolo Bonzini]

The overall patch is fairly simple:

diff --git a/arch/x86/kvm/svm/svm.c b/arch/x86/kvm/svm/svm.c
index 03dd7bac8034..d6ce75e107c0 100644
--- a/arch/x86/kvm/svm/svm.c
+++ b/arch/x86/kvm/svm/svm.c
@@ -2938,8 +2938,6 @@ static int handle_exit(struct kvm_vcpu *vcpu,
fastpath_t exit_fastpath)
        if (npt_enabled)
                vcpu->arch.cr3 = svm->vmcb->save.cr3;

-       svm_complete_interrupts(svm);
-
        if (is_guest_mode(vcpu)) {
                int vmexit;

@@ -3504,7 +3502,6 @@ static __no_kcsan fastpath_t svm_vcpu_run(struct
kvm_vcpu *vcpu)
        stgi();

        /* Any pending NMI will happen here */
-       exit_fastpath = svm_exit_handlers_fastpath(vcpu);

        if (unlikely(svm->vmcb->control.exit_code == SVM_EXIT_NMI))
                kvm_after_interrupt(&svm->vcpu);
@@ -3537,6 +3534,9 @@ static __no_kcsan fastpath_t svm_vcpu_run(struct
kvm_vcpu *vcpu)
                     SVM_EXIT_EXCP_BASE + MC_VECTOR))
                svm_handle_mce(svm);

+       svm_complete_interrupts(svm);
+       exit_fastpath = svm_exit_handlers_fastpath(vcpu);
+
        vmcb_mark_all_clean(svm->vmcb);
        return exit_fastpath;
 }

so I will just squash everything.

Paolo