Re: [PATCH 05/13] KVM: MMU: reset shadow_mmio_mask

From: Avi Kivity
Date: Thu Mar 29 2012 - 11:28:46 EST


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?

--
error compiling committee.c: too many arguments to function

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