Re: [Xen-devel] [PATCH] serialize suspend-resume process

[BVK Chaitanya <bayapuneni_chaitanya@xxxxxxxxxxxx>]

Keir Fraser wrote:
> On 31/7/08 12:57, "BVK Chaitanya" <bayapuneni_chaitanya@xxxxxxxxxxxx> wrote:
> > If dom0 issues second suspend request before resume is completed a _new_
> > kthread is started and will proceed with xen_suspend in parallel.  I saw
> > this hitting BUG_ON in netfront_accelerator_add_watch.
> That isn't true. xen_suspend() can only be re-entered after it has switched
> the 'shutting_down' variable to SHUTDOWN_INVALID. At this point resume work
> is completed (except perhaps for resuming some PV devices via xenbus, which
> is done asynchronously).
This is the case if suspend is invoked through xenbus interface.

With suspend event channel in place, i see that suspend request doesn't 
go through the shutdown_handler function when suspend is triggered over 
event channel.

regards,
--
bvk-chaitanya

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