linux-kernel - Re: [PATCH] xen/balloon: fix balloon kthread freezing

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Message-ID: <1b13768c-d2ba-196b-c3ea-8f9375bb94b8@oracle.com>
Date:   Mon, 20 Sep 2021 15:29:53 -0400
From:   Boris Ostrovsky <boris.ostrovsky@...cle.com>
To:     Juergen Gross <jgross@...e.com>, xen-devel@...ts.xenproject.org,
        linux-kernel@...r.kernel.org
Cc:     Stefano Stabellini <sstabellini@...nel.org>
Subject: Re: [PATCH] xen/balloon: fix balloon kthread freezing


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@...e.com>



Reviewed-by: Boris Ostrovsky <boris.ostrovsky@...cle.com>