Merge branch 'pm-sleep' into pm-for-linus

* pm-sleep: (51 commits)
  PM: Drop generic_subsys_pm_ops
  PM / Sleep: Remove forward-only callbacks from AMBA bus type
  PM / Sleep: Remove forward-only callbacks from platform bus type
  PM: Run the driver callback directly if the subsystem one is not there
  PM / Sleep: Make pm_op() and pm_noirq_op() return callback pointers
  PM / Sleep: Merge internal functions in generic_ops.c
  PM / Sleep: Simplify generic system suspend callbacks
  PM / Hibernate: Remove deprecated hibernation snapshot ioctls
  PM / Sleep: Fix freezer failures due to racy usermodehelper_is_disabled()
  PM / Sleep: Recommend [un]lock_system_sleep() over using pm_mutex directly
  PM / Sleep: Replace mutex_[un]lock(&pm_mutex) with [un]lock_system_sleep()
  PM / Sleep: Make [un]lock_system_sleep() generic
  PM / Sleep: Use the freezer_count() functions in [un]lock_system_sleep() APIs
  PM / Freezer: Remove the "userspace only" constraint from freezer[_do_not]_count()
  PM / Hibernate: Replace unintuitive 'if' condition in kernel/power/user.c with 'else'
  Freezer / sunrpc / NFS: don't allow TASK_KILLABLE sleeps to block the freezer
  PM / Sleep: Unify diagnostic messages from device suspend/resume
  ACPI / PM: Do not save/restore NVS on Asus K54C/K54HR
  PM / Hibernate: Remove deprecated hibernation test modes
  PM / Hibernate: Thaw processes in SNAPSHOT_CREATE_IMAGE ioctl test path
  ...

Conflicts:
	kernel/kmod.c

2 files changed, 3 insertions, 7 deletions

diff --git a/mm/backing-dev.c b/mm/backing-dev.c
index 71034f41a2ba..7ba8feae11b8 100644
--- a/mm/backing-dev.c
+++ b/mm/backing-dev.c
@@ -600,14 +600,10 @@ static void bdi_wb_shutdown(struct backing_dev_info *bdi)
 
         /*
          * Finally, kill the kernel thread. We don't need to be RCU
-         * safe anymore, since the bdi is gone from visibility. Force
-         * unfreeze of the thread before calling kthread_stop(), otherwise
-         * it would never exet if it is currently stuck in the refrigerator.
+         * safe anymore, since the bdi is gone from visibility.
          */
-        if (bdi->wb.task) {
-                thaw_process(bdi->wb.task);
+        if (bdi->wb.task)
                 kthread_stop(bdi->wb.task);
-        }
 }
 
 /*
diff --git a/mm/oom_kill.c b/mm/oom_kill.c
index 069b64e521fc..eeb27e27dce3 100644
--- a/mm/oom_kill.c
+++ b/mm/oom_kill.c
@@ -328,7 +328,7 @@ static struct task_struct *select_bad_process(unsigned int *ppoints,
                  */
                 if (test_tsk_thread_flag(p, TIF_MEMDIE)) {
                         if (unlikely(frozen(p)))
-                                thaw_process(p);
+                                __thaw_task(p);
                         return ERR_PTR(-1UL);
                 }
                 if (!p->mm)