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Re: [PATCH v6 08/12] Handle async PF in a guest.
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From: Gleb Natapov
Subject:
Re: [PATCH v6 08/12] Handle async PF in a guest.
Date: Sunday, October 10, 2010 - 6:22 am
On Sun, Oct 10, 2010 at 02:38:58PM +0200, Avi Kivity wrote:
quoted text
> On 10/10/2010 02:32 PM, Gleb Natapov wrote: > >On Thu, Oct 07, 2010 at 03:10:27PM +0200, Avi Kivity wrote: > >> On 10/04/2010 05:56 PM, Gleb Natapov wrote: > >> >When async PF capability is detected hook up special page fault handler > >> >that will handle async page fault events and bypass other page faults to > >> >regular page fault handler. Also add async PF handling to nested SVM > >> >emulation. Async PF always generates exit to L1 where vcpu thread will > >> >be scheduled out until page is available. > >> > > >> > >> Please separate guest and host changes. > >> > >Hmm. There are only guest changes here as far as I can see. > > From the diffstat: > > > arch/x86/include/asm/kvm_para.h | 12 +++ > > arch/x86/include/asm/traps.h | 1 + > > arch/x86/kernel/entry_32.S | 10 ++ > > arch/x86/kernel/entry_64.S | 3 + > > arch/x86/kernel/kvm.c | 184 ++++++++++++++++++++++++++++++++++++++- > > arch/x86/kvm/svm.c | 43 +++++++-- > > svm.c is host code. >
Not exactly :) It is a host code from nested guest perspective, but guest code from L0 perspective. -- Gleb. --
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Messages in current thread:
[PATCH v6 00/12] KVM: Add host swap event notifications fo ...
, Gleb Natapov
, (Mon Oct 4, 8:56 am)
[PATCH v6 01/12] Add get_user_pages() variant that fails i ...
, Gleb Natapov
, (Mon Oct 4, 8:56 am)
[PATCH v6 05/12] Move kvm_smp_prepare_boot_cpu() from kvmc ...
, Gleb Natapov
, (Mon Oct 4, 8:56 am)
[PATCH v6 06/12] Add PV MSR to enable asynchronous page fa ...
, Gleb Natapov
, (Mon Oct 4, 8:56 am)
[PATCH v6 08/12] Handle async PF in a guest.
, Gleb Natapov
, (Mon Oct 4, 8:56 am)
[PATCH v6 10/12] Handle async PF in non preemptable context
, Gleb Natapov
, (Mon Oct 4, 8:56 am)
[PATCH v6 12/12] Send async PF when guest is not in usersp ...
, Gleb Natapov
, (Mon Oct 4, 8:56 am)
Re: [PATCH v6 12/12] Send async PF when guest is not in us ...
, Rik van Riel
, (Mon Oct 4, 7:37 pm)
Re: [PATCH v6 10/12] Handle async PF in non preemptable co ...
, Marcelo Tosatti
, (Tue Oct 5, 12:51 pm)
Re: [PATCH v6 10/12] Handle async PF in non preemptable co ...
, Gleb Natapov
, (Wed Oct 6, 3:41 am)
Re: [PATCH v6 06/12] Add PV MSR to enable asynchronous pag ...
, Avi Kivity
, (Thu Oct 7, 5:42 am)
Re: [PATCH v6 06/12] Add PV MSR to enable asynchronous pag ...
, Avi Kivity
, (Thu Oct 7, 5:58 am)
Re: [PATCH v6 08/12] Handle async PF in a guest.
, Avi Kivity
, (Thu Oct 7, 6:10 am)
Re: [PATCH v6 08/12] Handle async PF in a guest.
, Gleb Natapov
, (Thu Oct 7, 10:14 am)
Re: [PATCH v6 08/12] Handle async PF in a guest.
, Avi Kivity
, (Thu Oct 7, 10:18 am)
Re: [PATCH v6 08/12] Handle async PF in a guest.
, Rik van Riel
, (Thu Oct 7, 10:48 am)
Re: [PATCH v6 06/12] Add PV MSR to enable asynchronous pag ...
, Gleb Natapov
, (Thu Oct 7, 10:53 am)
Re: [PATCH v6 06/12] Add PV MSR to enable asynchronous pag ...
, Gleb Natapov
, (Thu Oct 7, 10:59 am)
Re: [PATCH v6 08/12] Handle async PF in a guest.
, Gleb Natapov
, (Thu Oct 7, 11:03 am)
Re: [PATCH v6 06/12] Add PV MSR to enable asynchronous pag ...
, Avi Kivity
, (Sat Oct 9, 11:43 am)
Re: [PATCH v6 08/12] Handle async PF in a guest.
, Avi Kivity
, (Sat Oct 9, 11:48 am)
Re: [PATCH v6 08/12] Handle async PF in a guest.
, Gleb Natapov
, (Sun Oct 10, 12:56 am)
Re: [PATCH v6 08/12] Handle async PF in a guest.
, Gleb Natapov
, (Sun Oct 10, 5:32 am)
Re: [PATCH v6 08/12] Handle async PF in a guest.
, Avi Kivity
, (Sun Oct 10, 5:38 am)
Re: [PATCH v6 08/12] Handle async PF in a guest.
, Avi Kivity
, (Sun Oct 10, 5:40 am)
Re: [PATCH v6 06/12] Add PV MSR to enable asynchronous pag ...
, Avi Kivity
, (Sun Oct 10, 5:47 am)
Re: [PATCH v6 08/12] Handle async PF in a guest.
, Gleb Natapov
, (Sun Oct 10, 6:22 am)
Re: [PATCH v6 06/12] Add PV MSR to enable asynchronous pag ...
, Gleb Natapov
, (Sun Oct 10, 6:27 am)
Re: [PATCH v6 10/12] Handle async PF in non preemptable co ...
, Gleb Natapov
, (Sun Oct 10, 7:25 am)
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