Re: [RFC PATCH] virtio: (Partially) enable suspend/resume support

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On (Mon) Nov 22 2010 [16:54:54], Michael S. Tsirkin wrote:
> On Mon, Nov 22, 2010 at 07:15:37PM +0530, Amit Shah wrote:
> > 
> > The Linux kernel's suspend/resume notifiers currently offer the
> > following notifications:
> > - Preparing to go to suspended state (tasks will be frozen now)
> > - Preparing to restore the image saved at hibernate-time
> > - Restore succeeded (called after user-space threads are thawed)
> > 
> > 
> > What the Windows driver does is destroy all the virtqueues before
> > suspend and re-init all of them on restore.  This works well, but in the
> > Linux case, we don't have a notifier that gets called after restore
> > succeeds and before user-space tasks are thawed,
> 
> Let's add one?

Yes, that's where we need to start from.

		Amit
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