[GIT PULL pm/for-next] pm: freezer update

From: Tejun Heo
Date: Wed Nov 23 2011 - 12:51:21 EST


Hello, Rafael.

This is pull request for the following pending patches[ets]. Let's
see if it sticks this time. :)

[1] freezer: fix various bugs and simplify implementation, take#2
[2] usb_storage: don't use set_freezable_with_signal()
[3] dmatest: don't use set_freezable_with_signal()
[4] freezer: kill unused set_freezable_with_signal()
[5] freezer: fix wait_event_freezable/__thaw_task races

The patches are available in the git repository at:

git://git.kernel.org/pub/scm/linux/kernel/git/tj/misc.git pm-freezer

Oleg Nesterov (1):
freezer: fix wait_event_freezable/__thaw_task races

Tejun Heo (23):
freezer: fix current->state restoration race in refrigerator()
freezer: don't unnecessarily set PF_NOFREEZE explicitly
freezer: unexport refrigerator() and update try_to_freeze() slightly
freezer: implement and use kthread_freezable_should_stop()
freezer: rename thaw_process() to __thaw_task() and simplify the implementation
freezer: remove racy clear_freeze_flag() and set PF_NOFREEZE on dead tasks
freezer: don't distinguish nosig tasks on thaw
freezer: use dedicated lock instead of task_lock() + memory barrier
freezer: make freezing indicate freeze condition in effect
freezer: test freezable conditions while holding freezer_lock
freezer: kill PF_FREEZING
freezer: clean up freeze_processes() failure path
cgroup_freezer: prepare for removal of TIF_FREEZE
freezer: make freezing() test freeze conditions in effect instead of TIF_FREEZE
freezer: remove now unused TIF_FREEZE
freezer: remove should_send_signal() and update frozen()
freezer: fix set_freezable[_with_signal]() race
freezer: restructure __refrigerator()
freezer: use lock_task_sighand() in fake_signal_wake_up()
freezer: remove unused @sig_only from freeze_task()
usb_storage: don't use set_freezable_with_signal()
dmatest: don't use set_freezable_with_signal()
freezer: kill unused set_freezable_with_signal()

Documentation/power/freezing-of-tasks.txt | 14 +-
arch/alpha/include/asm/thread_info.h | 2 -
arch/arm/include/asm/thread_info.h | 2 -
arch/avr32/include/asm/thread_info.h | 2 -
arch/blackfin/include/asm/thread_info.h | 2 -
arch/cris/include/asm/thread_info.h | 2 -
arch/frv/include/asm/thread_info.h | 2 -
arch/h8300/include/asm/thread_info.h | 2 -
arch/ia64/include/asm/thread_info.h | 2 -
arch/m32r/include/asm/thread_info.h | 2 -
arch/m68k/include/asm/thread_info.h | 1 -
arch/microblaze/include/asm/thread_info.h | 2 -
arch/mips/include/asm/thread_info.h | 2 -
arch/mn10300/include/asm/thread_info.h | 2 -
arch/parisc/include/asm/thread_info.h | 2 -
arch/powerpc/include/asm/thread_info.h | 2 -
arch/s390/include/asm/thread_info.h | 2 -
arch/sh/include/asm/thread_info.h | 2 -
arch/sparc/include/asm/thread_info_32.h | 2 -
arch/sparc/include/asm/thread_info_64.h | 2 -
arch/um/include/asm/thread_info.h | 2 -
arch/unicore32/include/asm/thread_info.h | 2 -
arch/x86/include/asm/thread_info.h | 2 -
arch/xtensa/include/asm/thread_info.h | 2 -
drivers/bluetooth/btmrvl_main.c | 2 -
drivers/dma/dmatest.c | 46 ++++---
drivers/mfd/twl6030-irq.c | 2 -
drivers/net/irda/stir4200.c | 2 +-
drivers/platform/x86/thinkpad_acpi.c | 15 +--
drivers/staging/rts_pstor/rtsx.c | 2 -
drivers/usb/storage/usb.c | 13 +-
fs/btrfs/async-thread.c | 2 +-
fs/btrfs/disk-io.c | 8 +-
fs/ext4/super.c | 3 +-
fs/fs-writeback.c | 4 +-
fs/gfs2/log.c | 4 +-
fs/gfs2/quota.c | 4 +-
fs/jbd/journal.c | 2 +-
fs/jbd2/journal.c | 2 +-
fs/jfs/jfs_logmgr.c | 2 +-
fs/jfs/jfs_txnmgr.c | 4 +-
fs/nilfs2/segment.c | 2 +-
fs/xfs/xfs_buf.c | 2 +-
include/linux/freezer.h | 108 ++++++----------
include/linux/kthread.h | 1 +
include/linux/sched.h | 4 +-
kernel/cgroup_freezer.c | 63 ++++-----
kernel/exit.c | 3 +-
kernel/fork.c | 1 -
kernel/freezer.c | 203 +++++++++++++++--------------
kernel/kthread.c | 27 ++++-
kernel/power/hibernate.c | 15 +--
kernel/power/process.c | 77 +++++-------
kernel/power/suspend.c | 8 +-
kernel/power/user.c | 4 +-
mm/backing-dev.c | 8 +-
mm/oom_kill.c | 2 +-
57 files changed, 303 insertions(+), 401 deletions(-)

Thanks.

--
tejun

[1] http://thread.gmane.org/gmane.linux.kernel/1209247
[2] http://thread.gmane.org/gmane.linux.kernel/1209416
[3] https://lkml.org/lkml/2011/11/21/352
[4] http://thread.gmane.org/gmane.linux.kernel/1209416/focus=1209417
[5] http://thread.gmane.org/gmane.linux.kernel/1209444
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