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Re: [PATCH] xen/balloon: fix balloon kthread freezing
- To: Juergen Gross <jgross@xxxxxxxx>, xen-devel@xxxxxxxxxxxxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx
- From: Boris Ostrovsky <boris.ostrovsky@xxxxxxxxxx>
- Date: Mon, 20 Sep 2021 15:29:53 -0400
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- Cc: Stefano Stabellini <sstabellini@xxxxxxxxxx>
- Delivery-date: Mon, 20 Sep 2021 19:30:14 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
On 9/20/21 6:03 AM, Juergen Gross wrote:
> Commit 8480ed9c2bbd56 ("xen/balloon: use a kernel thread instead a
> workqueue") switched the Xen balloon driver to use a kernel thread.
> Unfortunately the patch omitted to call try_to_freeze() or to use
> wait_event_freezable_timeout(), causing a system suspend to fail.
>
> Fixes: 8480ed9c2bbd56 ("xen/balloon: use a kernel thread instead a workqueue")
> Signed-off-by: Juergen Gross <jgross@xxxxxxxx>
Reviewed-by: Boris Ostrovsky <boris.ostrovsky@xxxxxxxxxx>
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