> -----邮件原件----- > The combination of PREEMPTED=0,FLUSH_TLB=1 is invalid and can only > happens if the guest malfunctions (which it doesn't, it uses cmpxchg to set > KVM_VCPU_PREEMPTED); the host only does an xchg with 0 as the new value. > Since this is guest code, this patch does not change an actual error in the code, > does it? > You are right, this is not a issue in practice Thanks -Li
