Re: [Xen-devel] [PATCH] Dom0 Kernel - Fixes for saving/restoring MSI/MSI-X across Dom0 S3

[Keir Fraser <keir.fraser@xxxxxxxxxxxxx>]

On 24/11/08 11:03, "Shan, Haitao" <haitao.shan@xxxxxxxxx> 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



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