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Subject[GIT PULL pm-next] freezer: fix various bugs and simplify implementation
Hello, Rafael.

Please consider pulling from the following branch to receive freezer
fixes and simplifications patchset[1]. The only changes from the
posting are addition of acked-by's, minor patch description updates
and rebase on top of pm-next (af0fa9cb79 "PM / Hibernate: Include
storage keys in hibernation image on s390").

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

The HEAD should be 7b5b95b3f51a28ec008a295e5247436637220f41. If
git.korg doesn't show it yet. Please pull from master.korg.

ssh://master.kernel.org/pub/scm/linux/kernel/git/tj/misc.git freezer

FYI, this patchset will cause a conflict with s390 TIF flag fix patch.
The conflict is trivial and Stephen should be able to handle it
without any problem. Also, I'm planning on doing some further work on
cgroup freezer and then will try to bridge it with job control. If
that plan fans out, I might ask Oleg to pull from the pm tree. This
shouldn't matter too much either way but it *might* be a good idea to
keep this line of patches in a separate branch.

Thank you.

[1] http://thread.gmane.org/gmane.linux.kernel/1181594

Tejun Heo (16):
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: make exiting tasks properly unfreezable
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: fix set_freezable[_with_signal]() race
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()

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/mfd/twl4030-irq.c | 3 -
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 -
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/linux-2.6/xfs_buf.c | 2 +-
include/linux/freezer.h | 78 +++++--------
include/linux/kthread.h | 1 +
include/linux/sched.h | 3 +-
kernel/cgroup_freezer.c | 51 ++++-----
kernel/exit.c | 8 +-
kernel/fork.c | 1 -
kernel/freezer.c | 179 +++++++++++++++++------------
kernel/kthread.c | 25 ++++
kernel/power/hibernate.c | 15 +--
kernel/power/process.c | 65 ++++-------
kernel/power/user.c | 4 +-
mm/backing-dev.c | 8 +-
54 files changed, 247 insertions(+), 315 deletions(-)
--
tejun


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