From: Pavel Machek <pavel@ucw.cz>
To: Andrey Ryabinin <aryabinin@virtuozzo.com>
Cc: Alexander Viro <viro@zeniv.linux.org.uk>,
Tejun Heo <tj@kernel.org>,
"Rafael J. Wysocki" <rjw@rjwysocki.net>,
Oleg Nesterov <oleg@redhat.com>,
linux-pm@vger.kernel.org, linux-fsdevel@vger.kernel.org,
linux-kernel@vger.kernel.org, stable@vger.kernel.org
Subject: Re: [PATCH] coredump: fix unfreezable coredumping task
Date: Mon, 3 Oct 2016 11:41:41 +0200 [thread overview]
Message-ID: <20161003094141.GB9131@amd> (raw)
In-Reply-To: <1475225434-3753-1-git-send-email-aryabinin@virtuozzo.com>
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On Fri 2016-09-30 11:50:34, Andrey Ryabinin wrote:
> It could be not possible to freeze coredumping task when it waits
> for 'core_state->startup' completion, because threads are frozen
> in get_signal() before they got a chance to complete 'core_state->startup'.
>
> Use freezer_do_not_count() to tell freezer to ignore coredumping
> task while it waits for core_state->startup completion.
>
> Signed-off-by: Andrey Ryabinin <aryabinin@virtuozzo.com>
> Cc: stable@vger.kernel.org
Acked-by: Pavel Machek <pavel@ucw.cz>
--
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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next prev parent reply other threads:[~2016-10-03 9:41 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-09-30 8:50 [PATCH] coredump: fix unfreezable coredumping task Andrey Ryabinin
2016-09-30 8:50 ` Andrey Ryabinin
2016-09-30 9:01 ` Andrey Ryabinin
2016-09-30 9:01 ` Andrey Ryabinin
2016-09-30 12:47 ` Oleg Nesterov
2016-10-04 7:18 ` Michal Hocko
2016-10-04 16:13 ` Oleg Nesterov
2016-10-05 9:17 ` Michal Hocko
2016-10-03 9:41 ` Pavel Machek [this message]
2016-11-07 16:27 ` Andrey Ryabinin
2016-11-07 16:27 ` Andrey Ryabinin
2016-11-07 22:26 ` Andrew Morton
2016-11-07 22:26 ` Andrew Morton
2016-11-08 9:36 ` Andrey Ryabinin
2016-11-08 9:36 ` Andrey Ryabinin
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