提交 de3e6480 编写于 作者: G Gleb Natapov 提交者: Avi Kivity

KVM: x86 emulator: fix unlocked CMPXCHG8B emulation

When CMPXCHG8B is executed without LOCK prefix it is racy. Preserve this
behaviour in emulator too.
Signed-off-by: NGleb Natapov <gleb@redhat.com>
Signed-off-by: NAvi Kivity <avi@redhat.com>
上级 6550e1f1
......@@ -1724,7 +1724,6 @@ static inline int emulate_grp9(struct x86_emulate_ctxt *ctxt,
(u32) c->regs[VCPU_REGS_RBX];
ctxt->eflags |= EFLG_ZF;
c->lock_prefix = 1;
}
return X86EMUL_CONTINUE;
}
......
Markdown is supported
0% .
You are about to add 0 people to the discussion. Proceed with caution.
先完成此消息的编辑!
想要评论请 注册