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xen-devel
Re: [Xen-devel] PV guest + shadow paging
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To: |
Tim Deegan <Tim.Deegan@xxxxxxxxxxxxx> |
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Subject: |
Re: [Xen-devel] PV guest + shadow paging |
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From: |
Samuel Thibault <samuel.thibault@xxxxxxxxxxxxx> |
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Date: |
Mon, 22 Oct 2007 13:01:13 +0100 |
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Cc: |
Ian Campbell <Ian.Campbell@xxxxxxxxxxxxx>, Ian Pratt <Ian.Pratt@xxxxxxxxxxxx>, Levin Johnson <levin.johnson@xxxxxxxxx>, xen-devel@xxxxxxxxxxxxxxxxxxx |
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Mon, 22 Oct 2007 05:01:58 -0700 |
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Samuel Thibault <samuel.thibault@xxxxxxxxxxxxx>, Tim Deegan <Tim.Deegan@xxxxxxxxxxxxx>, tgh <tianguanhua@xxxxxxxxxx>, Ian Pratt <Ian.Pratt@xxxxxxxxxxxx>, Levin Johnson <levin.johnson@xxxxxxxxx>, xen-devel@xxxxxxxxxxxxxxxxxxx, Ian Campbell <Ian.Campbell@xxxxxxxxxxxxx> |
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<20070728115823.HM.0000000000000PK@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx> <8A87A9A84C201449A0C56B728ACF491E2600F1@xxxxxxxxxxxxxxxxxxxxxxxxxxx> <1185777299.4314.25.camel@xxxxxxxxxxxxxxxxxxxxxx> <20070730081523.GA24708@xxxxxxxxxxxxxxxxxxxxx> <471C82FA.7040104@xxxxxxxxxx> <20071022112048.GC23658@xxxxxxxxxxxxxxxxxxxxx> |
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Hi,
Tim Deegan, le Mon 22 Oct 2007 12:20:48 +0100, a écrit :
> At 19:01 +0800 on 22 Oct (1193079674), tgh wrote:
> > what is the auto_translated_physmap ?
>
> A shadow pagetable mode where Xen does the translation between
> guest-physical and machine-physical addresses for PV guests. Normally
> PV guests do that translation themselves, because it's faster, and Xen
> does it for HVM guests because they can't do it themseves.
It can be useful too for PV guests that don't (want to) support PAE.
Samuel
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