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| author | Paolo Bonzini <pbonzini@redhat.com> | 2015-12-10 18:37:32 +0100 |
|---|---|---|
| committer | Paolo Bonzini <pbonzini@redhat.com> | 2015-12-11 12:26:33 +0100 |
| commit | 8b89fe1f6c430589122542f228a802d34995bebd (patch) | |
| tree | f8465bc4d48bf413da077350a2845a14066981b4 /arch/x86/kvm/svm.c | |
| parent | 6764e5ebd5c62236d082f9ae030674467d0b2779 (diff) | |
| download | linux-stable-8b89fe1f6c430589122542f228a802d34995bebd.tar.gz linux-stable-8b89fe1f6c430589122542f228a802d34995bebd.tar.bz2 linux-stable-8b89fe1f6c430589122542f228a802d34995bebd.zip | |
kvm: x86: move tracepoints outside extended quiescent state
Invoking tracepoints within kvm_guest_enter/kvm_guest_exit causes a
lockdep splat.
Reported-by: Borislav Petkov <bp@alien8.de>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'arch/x86/kvm/svm.c')
| -rw-r--r-- | arch/x86/kvm/svm.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/arch/x86/kvm/svm.c b/arch/x86/kvm/svm.c index 83a1c643f9a5..899c40f826dd 100644 --- a/arch/x86/kvm/svm.c +++ b/arch/x86/kvm/svm.c @@ -3422,6 +3422,8 @@ static int handle_exit(struct kvm_vcpu *vcpu) struct kvm_run *kvm_run = vcpu->run; u32 exit_code = svm->vmcb->control.exit_code; + trace_kvm_exit(exit_code, vcpu, KVM_ISA_SVM); + if (!is_cr_intercept(svm, INTERCEPT_CR0_WRITE)) vcpu->arch.cr0 = svm->vmcb->save.cr0; if (npt_enabled) @@ -3892,8 +3894,6 @@ static void svm_vcpu_run(struct kvm_vcpu *vcpu) vcpu->arch.regs[VCPU_REGS_RSP] = svm->vmcb->save.rsp; vcpu->arch.regs[VCPU_REGS_RIP] = svm->vmcb->save.rip; - trace_kvm_exit(svm->vmcb->control.exit_code, vcpu, KVM_ISA_SVM); - if (unlikely(svm->vmcb->control.exit_code == SVM_EXIT_NMI)) kvm_before_handle_nmi(&svm->vcpu); |