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authorLinus Torvalds <torvalds@linux-foundation.org>2008-08-22 08:36:20 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2008-08-22 08:36:20 -0700
commit3ffc3f947de2b64f35f6bc4361e83a2bb9e12c71 (patch)
treebaeb4315fce24573d2df22748db7ac89587d0d3a
parent358c323c17ac527b82c6333db6a485112c21ab0d (diff)
parent3c4fbe5e01d7e5309be5045e7ae0db20a049e6dc (diff)
Merge branch 'timers-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'timers-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: nohz: fix wrong event handler after online an offlined cpu
-rw-r--r--include/linux/tick.h5
-rw-r--r--kernel/time/tick-sched.c6
2 files changed, 9 insertions, 2 deletions
diff --git a/include/linux/tick.h b/include/linux/tick.h
index d3c02695dc5..8cf8cfe2cc9 100644
--- a/include/linux/tick.h
+++ b/include/linux/tick.h
@@ -74,10 +74,13 @@ extern struct tick_device *tick_get_device(int cpu);
extern int tick_init_highres(void);
extern int tick_program_event(ktime_t expires, int force);
extern void tick_setup_sched_timer(void);
+# endif
+
+# if defined CONFIG_NO_HZ || defined CONFIG_HIGH_RES_TIMERS
extern void tick_cancel_sched_timer(int cpu);
# else
static inline void tick_cancel_sched_timer(int cpu) { }
-# endif /* HIGHRES */
+# endif
# ifdef CONFIG_GENERIC_CLOCKEVENTS_BROADCAST
extern struct tick_device *tick_get_broadcast_device(void);
diff --git a/kernel/time/tick-sched.c b/kernel/time/tick-sched.c
index f5da526424a..7a46bde78c6 100644
--- a/kernel/time/tick-sched.c
+++ b/kernel/time/tick-sched.c
@@ -643,17 +643,21 @@ void tick_setup_sched_timer(void)
ts->nohz_mode = NOHZ_MODE_HIGHRES;
#endif
}
+#endif /* HIGH_RES_TIMERS */
+#if defined CONFIG_NO_HZ || defined CONFIG_HIGH_RES_TIMERS
void tick_cancel_sched_timer(int cpu)
{
struct tick_sched *ts = &per_cpu(tick_cpu_sched, cpu);
+# ifdef CONFIG_HIGH_RES_TIMERS
if (ts->sched_timer.base)
hrtimer_cancel(&ts->sched_timer);
+# endif
ts->nohz_mode = NOHZ_MODE_INACTIVE;
}
-#endif /* HIGH_RES_TIMERS */
+#endif
/**
* Async notification about clocksource changes