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xen-devel
[Xen-devel] Re: [PATCH 06/16] xen: disable PAT
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To: |
Jeremy Fitzhardinge <jeremy@xxxxxxxx>, "H. Peter Anvin" <hpa@xxxxxxxxx>, Thomas Gleixner <tglx@xxxxxxxxxxxxx>, Yinghai Lu <yinghai@xxxxxxxxxx>, Suresh Siddha <suresh.b.siddha@xxxxxxxxx>, "Pallipadi, Venkatesh" <venkatesh.pallipadi@xxxxxxxxx>, Arjan van de Ven <arjan@xxxxxxxxxxxxx> |
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Subject: |
[Xen-devel] Re: [PATCH 06/16] xen: disable PAT |
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From: |
Ingo Molnar <mingo@xxxxxxx> |
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Date: |
Fri, 8 May 2009 13:14:32 +0200 |
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Cc: |
Xen-devel <xen-devel@xxxxxxxxxxxxxxxxxxx>, the arch/x86 maintainers <x86@xxxxxxxxxx>, Linux Kernel Mailing List <linux-kernel@xxxxxxxxxxxxxxx>, Jeremy Fitzhardinge <jeremy.fitzhardinge@xxxxxxxxxx>, Ian Campbell <ian.campbell@xxxxxxxxxx> |
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Fri, 08 May 2009 04:15:32 -0700 |
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Mutt/1.5.18 (2008-05-17) |
* Jeremy Fitzhardinge <jeremy@xxxxxxxx> wrote:
> From: Ian Campbell <ian.campbell@xxxxxxxxxx>
>
> Impact: disable PAT under Xen
>
> Xen imposes a particular PAT layout on all paravirtual guests which
> does not match the layout Linux would like to use.
>
> Force PAT to be disabled until this is resolved.
>
> Signed-off-by: Ian Campbell <ian.campbell@xxxxxxxxxx>
> Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@xxxxxxxxxx>
hm, what will the resolution be? Every step in the direction of
making Xen guests more special is a step in the wrong direction.
Coupling between Xen and Linux should be reduced, not increased.
Ingo
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- [Xen-devel] [GIT PULL] xen: core dom0 support, Jeremy Fitzhardinge
- [Xen-devel] [PATCH 12/16] xen/dom0: add XEN_DOM0 config option, Jeremy Fitzhardinge
- [Xen-devel] [PATCH 11/16] xen: allow enable use of VGA console on dom0, Jeremy Fitzhardinge
- [Xen-devel] [PATCH 10/16] xen: clear reserved bits in l3 entries given in the initial pagetables, Jeremy Fitzhardinge
- [Xen-devel] [PATCH 06/16] xen: disable PAT, Jeremy Fitzhardinge
- [Xen-devel] Re: [PATCH 06/16] xen: disable PAT,
Ingo Molnar <=
- [Xen-devel] Re: [PATCH 06/16] xen: disable PAT, Ian Campbell
- [Xen-devel] Re: [PATCH 06/16] xen: disable PAT, Alan Cox
- Re: [Xen-devel] Re: [PATCH 06/16] xen: disable PAT, Keir Fraser
- Re: [Xen-devel] Re: [PATCH 06/16] xen: disable PAT, H. Peter Anvin
- Re: [Xen-devel] Re: [PATCH 06/16] xen: disable PAT, Keir Fraser
- Re: [Xen-devel] Re: [PATCH 06/16] xen: disable PAT, Alan Cox
- Re: [Xen-devel] Re: [PATCH 06/16] xen: disable PAT, Keir Fraser
- Re: [Xen-devel] Re: [PATCH 06/16] xen: disable PAT, Jan Beulich
- Re: [Xen-devel] Re: [PATCH 06/16] xen: disable PAT, Keir Fraser
- Re: [Xen-devel] Re: [PATCH 06/16] xen: disable PAT, Jeremy Fitzhardinge
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