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Date: Wed, 1 Dec 2010 18:42:50 -0200 From: Marcelo Tosatti <mtosatti@...hat.com> To: Xiao Guangrong <xiaoguangrong@...fujitsu.com> Cc: Gleb Natapov <gleb@...hat.com>, Avi Kivity <avi@...hat.com>, LKML <linux-kernel@...r.kernel.org>, KVM <kvm@...r.kernel.org> Subject: Re: [PATCH v3 2/3] KVM: MMU: fix accessed bit set on prefault path 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@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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