linux-kernel - Re: [RFC][PATCH -mm] Freezer: Do not allow freezing processes to clear TIF

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Message-Id: <200710192334.52669.rjw@sisk.pl>
Date:	Fri, 19 Oct 2007 23:34:51 +0200
From:	"Rafael J. Wysocki" <rjw@...k.pl>
To:	Pavel Machek <pavel@....cz>
Cc:	LKML <linux-kernel@...r.kernel.org>,
	Nigel Cunningham <nigel@...el.suspend2.net>,
	Oleg Nesterov <oleg@...sign.ru>,
	pm list <linux-pm@...ts.linux-foundation.org>
Subject: Re: [RFC][PATCH -mm] Freezer: Do not allow freezing processes to clear TIF_SIGPENDING

On Friday, 19 October 2007 09:55, Pavel Machek wrote:
> On Fri 2007-10-19 00:22:35, Rafael J. Wysocki wrote:
> > From: Rafael J. Wysocki <rjw@...k.pl>
> > 
> > Do not allow processes to clear their TIF_SIGPENDING if TIF_FREEZE is set,
> > to prevent them from racing with the freezer (like mysqld does, for example).
> > 
> > Signed-off-by: Rafael J. Wysocki <rjw@...k.pl>
> 
> ACK. We want this in 2.6.24.

Sure, we do.

Greetings,
Rafael
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