From: Amit Shah <amit.shah@redhat.com>
To: "Michael S. Tsirkin" <mst@redhat.com>
Cc: Matthew Garrett <mjg@redhat.com>,
Anthony Liguori <anthony@codemonkey.ws>,
Virtualization List <virtualization@lists.linux-foundation.org>
Subject: Re: [RFC PATCH] virtio: (Partially) enable suspend/resume support
Date: Tue, 23 Nov 2010 08:48:05 +0530 [thread overview]
Message-ID: <20101123031805.GB13002@amit-x200.redhat.com> (raw)
In-Reply-To: <20101122145454.GB30157@redhat.com>
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
prev parent reply other threads:[~2010-11-23 3:18 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-09-29 12:12 [RFC PATCH] virtio: (Partially) enable suspend/resume support Amit Shah
2010-10-03 15:53 ` Michael S. Tsirkin
2010-10-05 13:45 ` Amit Shah
2010-10-05 15:23 ` Michael S. Tsirkin
2010-10-06 11:54 ` Amit Shah
2010-11-05 10:15 ` Michael S. Tsirkin
2010-11-22 13:45 ` Amit Shah
2010-11-22 14:54 ` Michael S. Tsirkin
2010-11-22 15:01 ` Matthew Garrett
2010-11-23 3:18 ` Amit Shah [this message]
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