linux-kernel - Re: [PATCH 2/3] signal: introduce kernel_signal_stop() to fix jffs2_garbage_collect

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Message-ID: <20151004172807.GB19652@htj.duckdns.org>
Date:	Sun, 4 Oct 2015 13:28:07 -0400
From:	Tejun Heo <tj@...nel.org>
To:	Oleg Nesterov <oleg@...hat.com>
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	David Woodhouse <dwmw2@...radead.org>,
	Felipe Balbi <balbi@...com>,
	Markus Pargmann <mpa@...gutronix.de>,
	linux-kernel@...r.kernel.org, linux-mtd@...ts.infradead.org
Subject: Re: [PATCH 2/3] signal: introduce kernel_signal_stop() to fix
 jffs2_garbage_collect_thread()

On Sat, Oct 03, 2015 at 08:13:38PM +0200, Oleg Nesterov wrote:
> jffs2_garbage_collect_thread() can race with SIGCONT and sleep in
> TASK_STOPPED state after it was already sent. Add the new helper,
> kernel_signal_stop(), which does this correctly.
> 
> Signed-off-by: Oleg Nesterov <oleg@...hat.com>

Reviewed-by: Tejun Heo <tj@...nel.org>

Thanks.

-- 
tejun
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