KVM: x86 emulator: fix popf emulation

Set operand type and size to get correct writeback behavior.

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

diff --git a/arch/x86/kvm/x86_emulate.c b/arch/x86/kvm/x86_emulate.c
index 72ae86b..e8c87cc 100644 (file)
--- 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];