KVM: x86: IRET emulation does not clear NMI masking
The IRET instruction should clear NMI masking, but the current implementation
does not do so.
Signed-off-by: Nadav Amit <namit@cs.technion.ac.il>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index afa0815..cdd6606 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -4963,6 +4963,11 @@
kvm_register_write(emul_to_vcpu(ctxt), reg, val);
}
+static void emulator_set_nmi_mask(struct x86_emulate_ctxt *ctxt, bool masked)
+{
+ kvm_x86_ops->set_nmi_mask(emul_to_vcpu(ctxt), masked);
+}
+
static const struct x86_emulate_ops emulate_ops = {
.read_gpr = emulator_read_gpr,
.write_gpr = emulator_write_gpr,
@@ -4998,6 +5003,7 @@
.put_fpu = emulator_put_fpu,
.intercept = emulator_intercept,
.get_cpuid = emulator_get_cpuid,
+ .set_nmi_mask = emulator_set_nmi_mask,
};
static void toggle_interruptibility(struct kvm_vcpu *vcpu, u32 mask)