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Re: [Xen-devel] [PATCH] xen: explicitly create/destroy stop_machine workqueues outside suspend/resume region.

To: Ian Campbell <ian.campbell@xxxxxxxxxx>
From: Jeremy Fitzhardinge <jeremy@xxxxxxxx>
Date: Tue, 01 Dec 2009 14:50:25 -0800
Cc: xen-devel@xxxxxxxxxxxxxxxxxxx
Delivery-date: Tue, 01 Dec 2009 14:50:47 -0800
List-id: Xen developer discussion <xen-devel.lists.xensource.com>

On 12/01/09 03:47, Ian Campbell wrote:
> I have observed cases where the implicit stop_machine_destroy() done by
> stop_machine() hangs while destroying the workqueues, specifically in
> kthread_stop(). This seems to be because timer ticks are not restarted
> until after stop_machine() returns.
>   

Thanks for these - applied.

    J

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References:
- [Xen-devel] [PATCH] xen: improve error handling in do_suspend.
  - From: Ian Campbell
- [Xen-devel] [PATCH] xen: explicitly create/destroy stop_machine workqueues outside suspend/resume region.
  - From: Ian Campbell

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