[PATCH MANUALSEL 5.10 6/7] KVM: x86: nSVM: restore int_vector in svm_clear_vintr
From: Sasha Levin
Date: Wed Oct 06 2021 - 07:13:26 EST
From: Maxim Levitsky <mlevitsk@xxxxxxxxxx>
[ Upstream commit aee77e1169c1900fe4248dc186962e745b479d9e ]
In svm_clear_vintr we try to restore the virtual interrupt
injection that might be pending, but we fail to restore
the interrupt vector.
Signed-off-by: Maxim Levitsky <mlevitsk@xxxxxxxxxx>
Message-Id: <20210914154825.104886-2-mlevitsk@xxxxxxxxxx>
Signed-off-by: Paolo Bonzini <pbonzini@xxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
arch/x86/kvm/svm/svm.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/arch/x86/kvm/svm/svm.c b/arch/x86/kvm/svm/svm.c
index 1c23aee3778c..5e1d7396a6b8 100644
--- a/arch/x86/kvm/svm/svm.c
+++ b/arch/x86/kvm/svm/svm.c
@@ -1497,6 +1497,8 @@ static void svm_clear_vintr(struct vcpu_svm *svm)
(svm->nested.ctl.int_ctl & V_TPR_MASK));
svm->vmcb->control.int_ctl |= svm->nested.ctl.int_ctl &
V_IRQ_INJECTION_BITS_MASK;
+
+ svm->vmcb->control.int_vector = svm->nested.ctl.int_vector;
}
vmcb_mark_dirty(svm->vmcb, VMCB_INTR);
--
2.33.0