From: Keir Fraser <keir.fraser@eu.citrix.com>
To: "Shan, Haitao" <haitao.shan@intel.com>
Cc: "'xen-devel@lists.xensource.com'" <xen-devel@lists.xensource.com>
Subject: Re: [PATCH] Dom0 Kernel - Fixes for saving/restoring MSI/MSI-X across Dom0 S3
Date: Mon, 24 Nov 2008 14:15:00 +0000 [thread overview]
Message-ID: <C5506764.29534%keir.fraser@eu.citrix.com> (raw)
In-Reply-To: <61563CE63B4F854986A895DA7AD3C17701FC57FF@pdsmsx502.ccr.corp.intel.com>
On 24/11/08 11:03, "Shan, Haitao" <haitao.shan@intel.com> wrote:
> With this patch, MSI/MSI-X capabilities and tables are saved in Dom0 when S3
> and restored when resume. Actually, this is also the approach that kernel
> takes. The only concern is that Dom0 should not touch MSI/MSI-X, they are
> owned by VMM itself. Maybe adding a hypercall to instruct Xen to do the
> saving/restoring is good. I wonder whether the reason is strong enough for
> adding a hypercall for such purpose.
>
> So Keir, maybe you can tell what is your prefer?
I think the approach in your patch is okay for now.
-- Keir
prev parent reply other threads:[~2008-11-24 14:15 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-11-24 11:03 [PATCH] Dom0 Kernel - Fixes for saving/restoring MSI/MSI-X across Dom0 S3 Shan, Haitao
2008-11-24 11:41 ` [PATCH] Dom0 Kernel - Fixes for saving/restoringMSI/MSI-X " Jan Beulich
2008-11-24 12:03 ` Keir Fraser
2008-11-24 12:53 ` Tian, Kevin
2008-11-24 13:35 ` [PATCH] Dom0 Kernel - Fixes forsaving/restoringMSI/MSI-X " Jan Beulich
2008-11-24 13:45 ` Tian, Kevin
2008-11-24 13:55 ` Shan, Haitao
2008-11-24 15:32 ` Jan Beulich
2008-11-25 1:21 ` Shan, Haitao
2008-11-24 13:45 ` [PATCH] Dom0 Kernel - Fixes for saving/restoringMSI/MSI-X " Shan, Haitao
2008-11-24 14:15 ` Keir Fraser [this message]
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