On 17/11/2014 12:17, Wanpeng Li wrote: >> >>> It's not surprising [1]. Since the meaning of some PTE bits change [2], >>> the TLB has to be flushed. In VMX we have VPIDs, so we only need to flush >>> if EFER changed between two invocations of the same VPID, which isn't >>> the case. > > If there need a TLB flush if guest is UP? The wrmsr is in the host, and the TLB flush is done in the processor microcode. Paolo -- 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
