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RE: [Xen-devel] [PATCH] Dom0 Kernel - Fixes forsaving/restoringMSI/MSI-X

from [Jan Beulich] [Permanent Link][Original]
To: "Kevin Tian" <kevin.tian@xxxxxxxxx>
Subject: RE: [Xen-devel] [PATCH] Dom0 Kernel - Fixes forsaving/restoringMSI/MSI-X across Dom0 S3
From: "Jan Beulich" <jbeulich@xxxxxxxxxx>
Date: Mon, 24 Nov 2008 13:35:22 +0000
Cc: "'xen-devel@xxxxxxxxxxxxxxxxxxx'" <xen-devel@xxxxxxxxxxxxxxxxxxx>, Haitao Shan <haitao.shan@xxxxxxxxx>, 'Keir Fraser' <keir.fraser@xxxxxxxxxxxxx>
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>>> "Tian, Kevin" <kevin.tian@xxxxxxxxx> 24.11.08 13:53 >>>
>It's possible that given device has been placed in D3cold state,
>and then no change left for Xen to save.

But isn't it the driver's resume handler that would have to restore (i.e.
re-initialize) MSI in that case?

Jan


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