On 03/29/2012 05:28 PM, Avi Kivity wrote: > On 03/29/2012 03:10 PM, Avi Kivity wrote: > > On 03/29/2012 11:23 AM, Xiao Guangrong wrote: > > > Do not use the last byte (bit 56 ~ bit 63) in shadow_mmio_mask, the late > > > patch will store vcpu id in the last byte > > > > Bit 63 is PT64_NX_MASK. > > Oh, you did say that with softmmu we're limited to 127 cpus. But what > if spte.nx is changed while we update the identity? Ok, saw that too. But I think test_and_set_bit() is better here, to reduce the complexity (note we need cmpxchg64b on 32-bit instead). -- error compiling committee.c: too many arguments to function -- 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
