From: Pavel Machek <pavel@ucw.cz>
To: "Rafael J. Wysocki" <rjw@sisk.pl>
Cc: pm list <linux-pm@lists.linux-foundation.org>,
Nigel Cunningham <nigel@nigel.suspend2.net>,
LKML <linux-kernel@vger.kernel.org>,
Oleg Nesterov <oleg@tv-sign.ru>
Subject: Re: [RFC][PATCH -mm] Freezer: Do not allow freezing processes to clear TIF_SIGPENDING
Date: Fri, 19 Oct 2007 09:55:55 +0200 [thread overview]
Message-ID: <20071019075555.GA9756@elf.ucw.cz> (raw)
In-Reply-To: <200710190022.36145.rjw@sisk.pl>
On Fri 2007-10-19 00:22:35, Rafael J. Wysocki wrote:
> From: Rafael J. Wysocki <rjw@sisk.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@sisk.pl>
ACK. We want this in 2.6.24.
Pavel
--
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
WARNING: multiple messages have this Message-ID (diff)
From: Pavel Machek <pavel@ucw.cz>
To: "Rafael J. Wysocki" <rjw@sisk.pl>
Cc: LKML <linux-kernel@vger.kernel.org>,
Nigel Cunningham <nigel@nigel.suspend2.net>,
Oleg Nesterov <oleg@tv-sign.ru>,
pm list <linux-pm@lists.linux-foundation.org>
Subject: Re: [RFC][PATCH -mm] Freezer: Do not allow freezing processes to clear TIF_SIGPENDING
Date: Fri, 19 Oct 2007 09:55:55 +0200 [thread overview]
Message-ID: <20071019075555.GA9756@elf.ucw.cz> (raw)
In-Reply-To: <200710190022.36145.rjw@sisk.pl>
On Fri 2007-10-19 00:22:35, Rafael J. Wysocki wrote:
> From: Rafael J. Wysocki <rjw@sisk.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@sisk.pl>
ACK. We want this in 2.6.24.
Pavel
--
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
next prev parent reply other threads:[~2007-10-19 7:55 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-10-18 22:22 [RFC][PATCH -mm] Freezer: Do not allow freezing processes to clear TIF_SIGPENDING Rafael J. Wysocki
2007-10-18 22:09 ` Nigel Cunningham
2007-10-18 22:09 ` Nigel Cunningham
2007-10-19 7:55 ` Pavel Machek [this message]
2007-10-19 7:55 ` Pavel Machek
2007-10-19 21:34 ` Rafael J. Wysocki
2007-10-19 21:34 ` Rafael J. Wysocki
-- strict thread matches above, loose matches on Subject: below --
2007-10-18 22:22 Rafael J. Wysocki
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