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| author | Maxim Levitsky <mlevitsk@redhat.com> | 2021-08-26 12:57:49 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2021-09-15 10:50:47 +0300 |
| commit | bf36224463356526f56d992d3f6d09cbd57e2d2f (patch) | |
| tree | d75619014ae182e194a34dc37b0754f814be73b7 /arch/x86 | |
| parent | c06e6ff2fcc34476eda29c5c14ca0db962f500cf (diff) | |
| download | linux-bf36224463356526f56d992d3f6d09cbd57e2d2f.tar.xz | |
KVM: VMX: avoid running vmx_handle_exit_irqoff in case of emulation
commit 81b4b56d4f8130bbb99cf4e2b48082e5b4cfccb9 upstream.
If we are emulating an invalid guest state, we don't have a correct
exit reason, and thus we shouldn't do anything in this function.
Signed-off-by: Maxim Levitsky <mlevitsk@redhat.com>
Message-Id: <20210826095750.1650467-2-mlevitsk@redhat.com>
Cc: stable@vger.kernel.org
Fixes: 95b5a48c4f2b ("KVM: VMX: Handle NMIs, #MCs and async #PFs in common irqs-disabled fn", 2019-06-18)
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'arch/x86')
| -rw-r--r-- | arch/x86/kvm/vmx/vmx.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/arch/x86/kvm/vmx/vmx.c b/arch/x86/kvm/vmx/vmx.c index de24d3826788..fcd8bcb7e0ea 100644 --- a/arch/x86/kvm/vmx/vmx.c +++ b/arch/x86/kvm/vmx/vmx.c @@ -6396,6 +6396,9 @@ static void vmx_handle_exit_irqoff(struct kvm_vcpu *vcpu) { struct vcpu_vmx *vmx = to_vmx(vcpu); + if (vmx->emulation_required) + return; + if (vmx->exit_reason.basic == EXIT_REASON_EXTERNAL_INTERRUPT) handle_external_interrupt_irqoff(vcpu); else if (vmx->exit_reason.basic == EXIT_REASON_EXCEPTION_NMI) |