KVM: emulate: POP SS triggers a MOV SS shadow too

We did not do that when interruptibility was added to the emulator,
because at the time pop to segment was not implemented.  Now it is,
add it.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

diff --git a/arch/x86/kvm/emulate.c b/arch/x86/kvm/emulate.c
index 9b5d97db7631393f5aa645eb55fbf0ff0576135f..bc670675223de3329a72f33a1c5a889bf149e65d 100644 (file)
--- a/arch/x86/kvm/emulate.c
+++ b/arch/x86/kvm/emulate.c
@@ -1762,6 +1762,9 @@ static int em_pop_sreg(struct x86_emulate_ctxt *ctxt)
        if (rc != X86EMUL_CONTINUE)
                return rc;
 
+       if (ctxt->modrm_reg == VCPU_SREG_SS)
+               ctxt->interruptibility = KVM_X86_SHADOW_INT_MOV_SS;
+
        rc = load_segment_descriptor(ctxt, (u16)selector, seg);
        return rc;
 }