[PATCH 1/4] KVM: x86: mark synthetic SMM vmexit as SVM_EXIT_SW

Maxim Levitsky
2022-03-01T13:55:52Z

Use a dummy unused vmexit reason to mark the 'VM exit' that is happening
when kvm exits to handle SMM, which is not a real VM exit.

This makes it a bit easier to read the KVM trace, and avoids
other potential problems.

Signed-off-by: Maxim Levitsky <mlevitsk@redhat.com>
---
arch/x86/kvm/svm/svm.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/x86/kvm/svm/svm.c b/arch/x86/kvm/svm/svm.c
index 7038c76fa8410..c08fd7f4f3414 100644
--- a/arch/x86/kvm/svm/svm.c
+++ b/arch/x86/kvm/svm/svm.c
@@ -4218,7 +4218,7 @@ static int svm_enter_smm(struct kvm_vcpu *vcpu, char *smstate)
svm->vmcb->save.rsp = vcpu->arch.regs[VCPU_REGS_RSP];
svm->vmcb->save.rip = vcpu->arch.regs[VCPU_REGS_RIP];

- ret = nested_svm_vmexit(svm);
+ ret = nested_svm_simple_vmexit(svm, SVM_EXIT_SW);
if (ret)
return ret;

--
2.26.3