From: "Rafael J. Wysocki" <rjw@sisk.pl>
To: Oleg Nesterov <oleg@tv-sign.ru>
Cc: Andrew Morton <akpm@linux-foundation.org>,
Ingo Molnar <mingo@elte.hu>,
ego@in.ibm.com, linux-kernel@vger.kernel.org, vatsa@in.ibm.com,
paulmck@us.ibm.com, pavel@ucw.cz
Subject: Re: [RFC][PATCH -mm 2/3] freezer: Introduce freezer_flags
Date: Tue, 24 Apr 2007 01:10:34 +0200 [thread overview]
Message-ID: <200704240110.35770.rjw@sisk.pl> (raw)
In-Reply-To: <20070423225535.GB659@tv-sign.ru>
On Tuesday, 24 April 2007 00:55, Oleg Nesterov wrote:
> On 04/24, Rafael J. Wysocki wrote:
> >
> > Should I clear it in dup_task_struct() or is there a better place?
>
> I personally think we should do this in dup_task_struct(). In fact, I believe
> it is better to replace the
>
> *tsk = *orig;
>
> with some helper (like setup_thread_stack() below), and that helper clears
> ->freezer_flags. Say, copy_task_struct().
Hmm, wouldn't that be overkill? copy_task_struct() would have to do
*tsk = *orig anyway, and we only need to clear one field apart from this.
Some other fields are cleared towards the end of dup_task_struct(), so perhaps
we could clear freezer_flags in there too?
Rafael
next prev parent reply other threads:[~2007-04-23 23:06 UTC|newest]
Thread overview: 60+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-04-19 12:01 [RFC 0/2] Fix Freezer related races Gautham R Shenoy
2007-04-19 12:02 ` [RFC PATCH 1/2] Fix PF_NOFREEZE and freezeable race Gautham R Shenoy
2007-04-19 21:39 ` Rafael J. Wysocki
2007-04-20 18:02 ` Oleg Nesterov
2007-04-23 10:26 ` Gautham R Shenoy
2007-04-23 17:49 ` Oleg Nesterov
[not found] ` <200704260044.03975.rjw@sisk.pl>
[not found] ` <20070425231638.GH15134@in.ibm.com>
[not found] ` <20070425163409.4f8476c4.akpm@linux-foundation.org>
[not found] ` <20070426060608.GA12892@in.ibm.com>
[not found] ` <20070425231232.302a83f0.akpm@linux-foundation.org>
2007-04-26 13:11 ` [PATCH -mm] Move frozen_process() to kernel/power/process.c Gautham R Shenoy
2007-04-26 12:36 ` Oleg Nesterov
2007-04-26 13:40 ` Gautham R Shenoy
2007-04-19 12:04 ` [RFC PATCH(experimental) 2/2] Fix freezer-kthread_stop race Gautham R Shenoy
2007-04-19 21:31 ` Andrew Morton
2007-04-20 8:54 ` Rafael J. Wysocki
2007-04-20 11:05 ` Gautham R Shenoy
2007-04-20 11:59 ` Rafael J. Wysocki
2007-04-20 12:26 ` Gautham R Shenoy
2007-04-20 12:50 ` Rafael J. Wysocki
2007-04-20 17:30 ` Andrew Morton
2007-04-20 18:31 ` Ingo Molnar
2007-04-20 21:13 ` Rafael J. Wysocki
2007-04-22 19:28 ` [RFC][PATCH -mm 0/3] Separate freezer flags Rafael J. Wysocki
2007-04-22 19:33 ` [RFC][PATCH -mm 1/3] Separate freezer from PM code Rafael J. Wysocki
2007-04-23 10:41 ` Pavel Machek
2007-04-22 19:39 ` [RFC][PATCH -mm 2/3] freezer: Introduce freezer_flags Rafael J. Wysocki
2007-04-22 21:14 ` Paul Jackson
2007-04-22 22:14 ` Rafael J. Wysocki
2007-04-22 22:31 ` Paul Jackson
2007-04-23 3:18 ` Satyam Sharma
2007-04-23 4:09 ` Satyam Sharma
2007-04-23 14:19 ` Gautham R Shenoy
2007-04-23 18:49 ` Rafael J. Wysocki
2007-04-23 19:06 ` Rafael J. Wysocki
2007-04-23 10:50 ` Pavel Machek
2007-04-23 13:17 ` Gautham R Shenoy
2007-04-23 19:57 ` Rafael J. Wysocki
2007-04-23 22:23 ` Oleg Nesterov
2007-04-23 22:40 ` Rafael J. Wysocki
2007-04-23 22:41 ` Gautham R Shenoy
2007-04-23 22:55 ` Rafael J. Wysocki
2007-04-23 22:55 ` Oleg Nesterov
2007-04-23 23:10 ` Rafael J. Wysocki [this message]
2007-04-23 23:19 ` Oleg Nesterov
2007-04-24 11:32 ` Rafael J. Wysocki
2007-04-22 19:40 ` [RFC][PATCH -mm 3/3] freezer: Fix problem with kthread_stop Rafael J. Wysocki
2007-04-23 10:40 ` Pavel Machek
2007-04-23 19:50 ` Rafael J. Wysocki
2007-04-23 12:35 ` Gautham R Shenoy
2007-04-23 19:03 ` Oleg Nesterov
2007-04-23 20:05 ` Rafael J. Wysocki
2007-04-23 19:55 ` Rafael J. Wysocki
2007-04-23 20:46 ` Oleg Nesterov
2007-04-23 21:16 ` Gautham R Shenoy
2007-04-23 21:30 ` Rafael J. Wysocki
2007-04-20 21:20 ` [RFC PATCH(experimental) 2/2] Fix freezer-kthread_stop race Oleg Nesterov
2007-04-20 21:45 ` Rafael J. Wysocki
2007-04-20 10:46 ` Gautham R Shenoy
2007-04-21 9:37 ` Pavel Machek
2007-04-20 21:12 ` Oleg Nesterov
2007-04-23 10:38 ` Gautham R Shenoy
2007-04-23 18:39 ` Oleg Nesterov
2007-04-23 20:34 ` Gautham R Shenoy
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