linux-kernel - Re: [PATCH] kthread: Fix kthread_mod_delayed_work vs kthread_cancel_delayed_work

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Message-ID: <YKddXqLh6+Pj7wFW@alley>
Date:   Fri, 21 May 2021 09:12:30 +0200
From:   Petr Mladek <pmladek@...e.com>
To:     Andrew Morton <akpm@...ux-foundation.org>
Cc:     Martin Liu <liumartin@...gle.com>,
        Nathan Chancellor <nathan@...nel.org>,
        Nick Desaulniers <ndesaulniers@...gle.com>,
        Tejun Heo <tj@...nel.org>, minchan@...gle.com, www@...gle.com,
        davidchao@...gle.com, jenhaochen@...gle.com,
        linux-kernel@...r.kernel.org, clang-built-linux@...glegroups.com
Subject: Re: [PATCH] kthread: Fix kthread_mod_delayed_work vs
 kthread_cancel_delayed_work_sync race

On Thu 2021-05-20 14:48:45, Andrew Morton wrote:
> On Thu, 13 May 2021 14:54:57 +0800 Martin Liu <liumartin@...gle.com> wrote:
> 
> > We encountered a system hang issue while doing the tests. The callstack
> > is as following
> >
> > ...
> >
> > Fixes: 37be45d49dec2 ("kthread: allow to cancel kthread work")
> 
> Thanks.  I added a cc:stable to this and shall hold it in -mm for a
> couple of weeks to get exposure and testing before sending it to Linus
> for 5.13.

Sounds good to me. Thanks for taking care of it.

Best Regards,
Petr