KVM: x86 emulator: fix popf emulation

Set operand type and size to get correct writeback behavior.

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

1 files changed, 2 insertions, 0 deletions

diff --git a/arch/x86/kvm/x86_emulate.c b/arch/x86/kvm/x86_emulate.c
index 72ae86b1b131..e8c87ccfe310 100644
--- a/arch/x86/kvm/x86_emulate.c
+++ b/arch/x86/kvm/x86_emulate.c
@@ -1552,7 +1552,9 @@ special_insn:
                 emulate_push(ctxt);
                 break;
         case 0x9d: /* popf */
+                c->dst.type = OP_REG;
                 c->dst.ptr = (unsigned long *) &ctxt->eflags;
+                c->dst.bytes = c->op_bytes;
                 goto pop_instruction;
         case 0xa0 ... 0xa1:     /* mov */
                 c->dst.ptr = (unsigned long *)&c->regs[VCPU_REGS_RAX];