[Intel-gfx] [PATCH 06/30] KVM: x86: mark syntethic SMM vmexit as SVM_EXIT_SW

Maxim Levitsky mlevitsk at redhat.com
Mon Feb 7 15:28:23 UTC 2022


Use a dummy unused vmexit reason to mark the 'VM exit'
that is happening when we exit 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 at 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 8013be9edf27c..9a4e299ed5673 100644
--- a/arch/x86/kvm/svm/svm.c
+++ b/arch/x86/kvm/svm/svm.c
@@ -4194,7 +4194,7 @@ 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



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