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Re: [PATCH 2/3] KVM: MMU: don not retry #PF for nonpaging guest
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From: Gleb Natapov
Subject:
Re: [PATCH 2/3] KVM: MMU: don not retry #PF for nonpaging guest
Date: Friday, November 5, 2010 - 3:31 am
On Fri, Nov 05, 2010 at 04:03:28PM +0800, Xiao Guangrong wrote:
quoted text
> On 11/05/2010 03:45 PM, Gleb Natapov wrote: > > >> > >> It looks like something broken: apfs can generated in L2 guest (nested ntp guest) > >> and be retried in L1 guest. > >> > > Why is this a problem? apf will be generate on direct map even when L2 > > guest is running so it should be OK to prefault it into direct map on > > completion. > > > > The nested_cr3 is different between L2 and L1, fix L2's page fault in L1's page table > is useless.
But we are fixing L0 page faults in L0 page table. We do not start apf because of L1 faulted in its page table. -- Gleb. --
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Messages in current thread:
[PATCH 1/3] KVM: MMU: fix missing post sync audit
, Xiao Guangrong
, (Thu Nov 4, 3:30 am)
[PATCH 2/3] KVM: MMU: don not retry #PF for nonpaging guest
, Xiao Guangrong
, (Thu Nov 4, 3:32 am)
Re: [PATCH 2/3] KVM: MMU: don not retry #PF for nonpaging ...
, Gleb Natapov
, (Thu Nov 4, 3:35 am)
[PATCH 3/3] KVM: MMU: retry #PF for softmmu
, Xiao Guangrong
, (Thu Nov 4, 3:36 am)
Re: [PATCH 2/3] KVM: MMU: don not retry #PF for nonpaging ...
, Xiao Guangrong
, (Thu Nov 4, 10:39 pm)
Re: [PATCH 2/3] KVM: MMU: don not retry #PF for nonpaging ...
, Gleb Natapov
, (Fri Nov 5, 12:45 am)
Re: [PATCH 2/3] KVM: MMU: don not retry #PF for nonpaging ...
, Xiao Guangrong
, (Fri Nov 5, 1:03 am)
Re: [PATCH 2/3] KVM: MMU: don not retry #PF for nonpaging ...
, Gleb Natapov
, (Fri Nov 5, 3:31 am)
Re: [PATCH 2/3] KVM: MMU: don not retry #PF for nonpaging ...
, Xiao Guangrong
, (Sun Nov 7, 7:14 pm)
Re: [PATCH 2/3] KVM: MMU: don not retry #PF for nonpaging ...
, Gleb Natapov
, (Mon Nov 8, 6:52 am)
Re: [PATCH 2/3] KVM: MMU: don not retry #PF for nonpaging ...
, Xiao Guangrong
, (Mon Nov 8, 9:58 am)
Re: [PATCH 2/3] KVM: MMU: don not retry #PF for nonpaging ...
, Gleb Natapov
, (Mon Nov 8, 10:01 am)
Re: [PATCH 2/3] KVM: MMU: don not retry #PF for nonpaging ...
, Gleb Natapov
, (Tue Nov 9, 1:03 am)
Re: [PATCH 3/3] KVM: MMU: retry #PF for softmmu
, Gleb Natapov
, (Tue Nov 9, 1:06 am)
Re: [PATCH 2/3] KVM: MMU: don not retry #PF for nonpaging ...
, Xiao Guangrong
, (Tue Nov 9, 1:48 am)
Re: [PATCH 3/3] KVM: MMU: retry #PF for softmmu
, Xiao Guangrong
, (Tue Nov 9, 2:16 am)
Re: [PATCH 2/3] KVM: MMU: don not retry #PF for nonpaging ...
, Gleb Natapov
, (Tue Nov 9, 2:26 am)
Re: [PATCH 2/3] KVM: MMU: don not retry #PF for nonpaging ...
, Xiao Guangrong
, (Tue Nov 9, 2:52 am)
Re: [PATCH 2/3] KVM: MMU: don not retry #PF for nonpaging ...
, Gleb Natapov
, (Tue Nov 9, 3:51 am)
Re: [PATCH 2/3] KVM: MMU: don not retry #PF for nonpaging ...
, Xiao Guangrong
, (Tue Nov 9, 7:08 pm)
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