linux-kernel - [PATCHSET pm-freezer] freezer: fixes & simplifications

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Date:	Sat,  3 Sep 2011 03:27:44 +0900
From:	Tejun Heo <tj@...nel.org>
To:	oleg@...hat.com, matthltc@...ibm.com, rjw@...k.pl,
	paul@...lmenage.org
Cc:	containers@...ts.linux-foundation.org,
	linux-pm@...ts.linux-foundation.org, linux-kernel@...r.kernel.org
Subject: [PATCHSET pm-freezer] freezer: fixes & simplifications

Hello,

These six patches are fixes and simplifications for the recent freezer
changes.  The first four have been posted twice.  Changes since the
last posting[L] are

* freezer->state setting bug fix updated per Matt Helsley so that the
  actual per-task freeze/thaw operations are always performed.

* fixed a bug caused by forgetting to unlock freezer_lock in "freezer:
  restructure __refrigerator()".

* Two patches added.  The fifth one is mostly trivial.  The sixth a
  bit more involved but still shouldn't cause any noticeable
  functional difference.  This removes the buggy and unused
  freezable_with_signal.

Properly tested this time.  As hera is still down, no git branch
available at this point.  Patch list and diffstat follow.

Thanks.

 [PATCH 1/6] cgroup_freezer: fix freezer->state setting bug in
 [PATCH 2/6] freezer: set PF_NOFREEZE on a dying task right before
 [PATCH 3/6] freezer: restructure __refrigerator()
 [PATCH 4/6] freezer: use lock_task_sighand() in
 [PATCH 5/6] freezer: remove unused @sig_only from freeze_task()
 [PATCH 6/6] freezer: kill unused set_freezable_with_signal()

 include/linux/freezer.h |   22 +------------
 include/linux/sched.h   |    1
 kernel/cgroup_freezer.c |   18 +++++------
 kernel/exit.c           |   10 ++----
 kernel/freezer.c        |   78 ++++++++++++++++--------------------------------
 kernel/kthread.c        |    2 -
 kernel/power/process.c  |    8 ++--
 7 files changed, 47 insertions(+), 92 deletions(-)

--
tejun

[L] http://thread.gmane.org/gmane.linux.kernel/1186387
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