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Merge branch 'timers-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

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Pull timer fixes from Thomas Gleixner:
 "This contains:

   - a build regression fix introduced by the timeconst move

   - a hotplug regression fix introduced by the timer wheel diet

   - a cpu hotplug bug fix for the exynos clocksource driver"

* 'timers-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  time: Remove development rules from Kbuild/Makefile
  timer: Fix hotplug regression
  clocksource: exynos_mct: Avoid blocking calls in the cpu hotplug notifier
This commit is contained in:
Linus Torvalds 2015-07-01 15:44:18 -07:00
commit 6ac15baacb
4 changed files with 32 additions and 17 deletions
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2
kernel/time/Makefile
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@ -12,5 +12,3 @@ obj-$(CONFIG_TICK_ONESHOT) += tick-oneshot.o tick-sched.o
obj-$(CONFIG_TIMER_STATS) += timer_stats.o
obj-$(CONFIG_DEBUG_FS) += timekeeping_debug.o
obj-$(CONFIG_TEST_UDELAY) += test_udelay.o
$(obj)/time.o: $(objtree)/include/config/

3
kernel/time/timer.c
View file

@ -1566,7 +1566,7 @@ static void migrate_timers(int cpu)
BUG_ON(cpu_online(cpu));
old_base = per_cpu_ptr(&tvec_bases, cpu);
new_base = this_cpu_ptr(&tvec_bases);
new_base = get_cpu_ptr(&tvec_bases);
/*
* The caller is globally serialized and nobody else
* takes two locks at once, deadlock is not possible.
@ -1590,6 +1590,7 @@ static void migrate_timers(int cpu)
spin_unlock(&old_base->lock);
spin_unlock_irq(&new_base->lock);
put_cpu_ptr(&tvec_bases);
}
static int timer_cpu_notify(struct notifier_block *self,