Re: [PATCH v3 2/3] KVM: MMU: fix accessed bit set on prefault path

[Marcelo Tosatti]

On Wed, Dec 01, 2010 at 10:20:38AM +0800, Xiao Guangrong wrote:
> On 12/01/2010 03:20 AM, Gleb Natapov wrote:
> 
> > Firs of all if guest is PV the guest process cannot be killed. Second
> > why is it a problem that we marked pfn as accessed on speculative path?
> > What problem it causes especially since it is very likely that the page
> > will be accessed shortly anyway?
> > 
> 
> Hi Avi, Marcelo,
> 
> What is your opinion on this point?

Dont think this is an issue. Its very likely the page is going to be
accessed soon (unlike pte prefetch).

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/