KVM: X86 emulator: fix 'push reg' writeback

Pointed out by Rusty Russell.

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

diff --git a/drivers/kvm/x86_emulate.c b/drivers/kvm/x86_emulate.c
index cf895aa..7439b34 100644 (file)
--- a/drivers/kvm/x86_emulate.c
+++ b/drivers/kvm/x86_emulate.c
@@ -1163,7 +1163,6 @@ special_insn:
                register_address_increment(_regs[VCPU_REGS_RSP], -op_bytes);
                dst.ptr = (void *) register_address(
                        ctxt->ss_base, _regs[VCPU_REGS_RSP]);
-               no_wb = 1; /* force writeback */
                break;
        case 0x6c:              /* insb */
        case 0x6d:              /* insw/insd */