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xen-devel
Re: [Xen-devel] [PATCH] VT-d: improve RMRR validity checking
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To: |
Weidong Han <weidong.han@xxxxxxxxx> |
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Subject: |
Re: [Xen-devel] [PATCH] VT-d: improve RMRR validity checking |
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From: |
Alex Williamson <alex.williamson@xxxxxx> |
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Date: |
Wed, 10 Mar 2010 06:56:48 -0700 |
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Cc: |
"xen-devel@xxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxx>, Noboru Iwamatsu <n_iwamatsu@xxxxxxxxxxxxxx>, "Cihula, Joseph" <joseph.cihula@xxxxxxxxx>, "Kay, Allen M" <allen.m.kay@xxxxxxxxx>, "linux@xxxxxxxxxxxxxx" <linux@xxxxxxxxxxxxxx>, "keir.fraser@xxxxxxxxxxxxx" <keir.fraser@xxxxxxxxxxxxx> |
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Wed, 10 Mar 2010 06:02:19 -0800 |
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<C77E162B.6FE6%keir.fraser@xxxxxxxxxxxxx> <4B59098B.6000108@xxxxxxxxx> <4B590FA4.4000008@xxxxxxxxxxxxxx> <4B59132B.40607@xxxxxxxxx> <4B59188C.50901@xxxxxxxxxxxxxx> <4B59660F.4000909@xxxxxxxxx> <7162ab21003091339i4adb8669safd5e074607386a2@xxxxxxxxxxxxxx> <4B9706B3.3050903@xxxxxxxxx> <1268191101.3015.30.camel@xxxxxxxxxx> <4B9711CF.7030908@xxxxxxxxx> <1268192253.3015.37.camel@xxxxxxxxxx> <4B971F57.9000903@xxxxxxxxx> <1268196438.3015.56.camel@xxxxxxxxxx> <4B974438.3050806@xxxxxxxxx> |
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On Wed, 2010-03-10 at 15:03 +0800, Weidong Han wrote:
>
> This patch is no problem on our platform which has two IOHs, two
> IOAPICs. But there is only one DRHD, which is also INCLUDE_PCI_ALL DRHD.
> Can you post your Xen boot logs?
If you have two IOHs covered by one DRHD, it doesn't sound like the IOHs
are peers of one another. Is this a core i5 system with a DRHD in the
processor? Of maybe you're talking about one IOH and a subordinate ICH,
which could easily be covered by one DRHD. The topology I'm trying to
support has multiple IOHs, which are peers of one another. Interrupts
are not routed through a "primary" IOH, so it would seem to make no
sense (and I don't believe it would work) to include all the IOAPICs
under one of them.
Alex
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- Re: [Xen-devel] [PATCH] VT-d: improve RMRR validity checking, (continued)
Re: [Xen-devel] [PATCH] VT-d: improve RMRR validity checking, Weidong Han
- Re: [Xen-devel] [PATCH] VT-d: improve RMRR validity checking, Alex Williamson
- Re: [Xen-devel] [PATCH] VT-d: improve RMRR validity checking, Weidong Han
- Re: [Xen-devel] [PATCH] VT-d: improve RMRR validity checking, Alex Williamson
- Re: [Xen-devel] [PATCH] VT-d: improve RMRR validity checking, Weidong Han
- Re: [Xen-devel] [PATCH] VT-d: improve RMRR validity checking, Alex Williamson
- Re: [Xen-devel] [PATCH] VT-d: improve RMRR validity checking, Weidong Han
- Re: [Xen-devel] [PATCH] VT-d: improve RMRR validity checking,
Alex Williamson <=
- Re: [Xen-devel] [PATCH] VT-d: improve RMRR validity checking, Alex Williamson
- Re: [Xen-devel] [PATCH] VT-d: improve RMRR validity checking, Weidong Han
- Re: [Xen-devel] [PATCH] VT-d: improve RMRR validity checking, Alex Williamson
- Re: [Xen-devel] [PATCH] VT-d: improve RMRR validity checking, Weidong Han
- Re: [Xen-devel] [PATCH] VT-d: improve RMRR validity checking, Alex Williamson
- Re: [Xen-devel] [PATCH] VT-d: improve RMRR validity checking, Weidong Han
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