KVM: x86 emulator: use shadowed register in emulate_sysexit()

emulate_sysexit() should use shadowed registers copy instead of
looking into vcpu state directly.

Signed-off-by: Gleb Natapov <gleb@redhat.com>
Signed-off-by: Avi Kivity <avi@redhat.com>

diff --git a/arch/x86/kvm/emulate.c b/arch/x86/kvm/emulate.c
index 291e220..42cb7d7 100644 (file)
--- a/arch/x86/kvm/emulate.c
+++ b/arch/x86/kvm/emulate.c
@@ -2063,8 +2063,8 @@ emulate_sysexit(struct x86_emulate_ctxt *ctxt, struct x86_emulate_ops *ops)
        ops->set_cached_descriptor(&ss, VCPU_SREG_SS, ctxt->vcpu);
        ops->set_segment_selector(ss_sel, VCPU_SREG_SS, ctxt->vcpu);
 
-       c->eip = ctxt->vcpu->arch.regs[VCPU_REGS_RDX];
-       c->regs[VCPU_REGS_RSP] = ctxt->vcpu->arch.regs[VCPU_REGS_RCX];
+       c->eip = c->regs[VCPU_REGS_RDX];
+       c->regs[VCPU_REGS_RSP] = c->regs[VCPU_REGS_RCX];
 
        return X86EMUL_CONTINUE;
 }