When CMPXCHG8B is executed without LOCK prefix it is racy. Preserve this behaviour in emulator too. Signed-off-by: Gleb Natapov <gleb@xxxxxxxxxx> --- This patch goes on top of my previous "KVM: x86 emulator: add decoding of CMPXCHG8B dst operand." patch. diff --git a/arch/x86/kvm/emulate.c b/arch/x86/kvm/emulate.c index 904351e..e2bbb9c 100644 --- a/arch/x86/kvm/emulate.c +++ b/arch/x86/kvm/emulate.c @@ -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; } -- Gleb. -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
