]> nv-tegra.nvidia Code Review - linux-2.6.git/commitdiff
Merge branch 'timers-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel...
authorLinus Torvalds <torvalds@linux-foundation.org>
Fri, 22 Aug 2008 15:36:20 +0000 (08:36 -0700)
committerLinus Torvalds <torvalds@linux-foundation.org>
Fri, 22 Aug 2008 15:36:20 +0000 (08:36 -0700)
* '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

include/linux/tick.h
kernel/time/tick-sched.c

index d3c02695dc5d7e0826a7fa6ac4eb27bfbd937374..8cf8cfe2cc9712a176d7d4904107f4d30e74293f 100644 (file)
@@ -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);
index f5da526424a9b7c5dcaf965cbf00a49f09642eb0..7a46bde78c66f77e15ba75f8e570e4c46de274de 100644 (file)
@@ -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