From: Pavel Machek <pavel@suse.cz>
To: stas.orel@mailcity.com
Cc: linux-kernel@vger.kernel.org
Subject: Re: [patch] do proper cleanups before requesting irq
Date: Tue, 12 Jun 2001 16:06:44 +0000 [thread overview]
Message-ID: <20010612160643.B33@toy.ucw.cz> (raw)
In-Reply-To: <01061202405801.06615@localhost.localdomain>
In-Reply-To: <01061202405801.06615@localhost.localdomain>; from stas_orel@yahoo.com on Tue, Jun 12, 2001 at 03:53:57AM +0400
Hi!
> The problem is that there are comparisons of pointers to task_struct when
> deciding if the task is alive. If one task dies and other one starts, it is
> possible (is it?) that the task structure of the newly created task resides
> at the very address where was the dead one's, so comparing pointers is not
> reliable. This patch changes it to comparisons of task's pids.
> Can anyone, please, atleast tell me if this patch is correct?
it might be better but it is not correct. pids are reused, too
--
Philips Velo 1: 1"x4"x8", 300gram, 60, 12MB, 40bogomips, linux, mutt,
details at http://atrey.karlin.mff.cuni.cz/~pavel/velo/index.html.
next prev parent reply other threads:[~2001-06-13 9:33 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2001-06-11 23:53 [patch] do proper cleanups before requesting irq Stas Sergeev
2001-06-12 16:06 ` Pavel Machek [this message]
2001-06-13 20:42 ` Stas Sergeev
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