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authorLinus Torvalds <torvalds@linux-foundation.org>2014-01-31 21:02:51 +0400
committerLinus Torvalds <torvalds@linux-foundation.org>2014-01-31 21:02:51 +0400
commitaafd9d6a46745926648cb5d0b68b108e79ceb8d4 (patch)
treeb099dece2ff08e57d141af686ffbb24dc663c05b /include/linux
parent595bf999e3a864f40e049c67c42ecee50fb7a78a (diff)
parenta2b4c607c93a0850c8e3d90688cf3bd08576b986 (diff)
downloadlinux-aafd9d6a46745926648cb5d0b68b108e79ceb8d4.tar.xz
Merge branch 'timers-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull timer/dynticks updates from Ingo Molnar: "This tree contains misc dynticks updates: a fix and three cleanups" * 'timers-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: sched/nohz: Fix overflow error in scheduler_tick_max_deferment() nohz_full: fix code style issue of tick_nohz_full_stop_tick nohz: Get timekeeping max deferment outside jiffies_lock tick: Rename tick_check_idle() to tick_irq_enter()
Diffstat (limited to 'include/linux')
-rw-r--r--include/linux/jiffies.h6
-rw-r--r--include/linux/tick.h6
2 files changed, 9 insertions, 3 deletions
diff --git a/include/linux/jiffies.h b/include/linux/jiffies.h
index d235e88cfd7c..1f44466c1e9d 100644
--- a/include/linux/jiffies.h
+++ b/include/linux/jiffies.h
@@ -294,6 +294,12 @@ extern unsigned long preset_lpj;
*/
extern unsigned int jiffies_to_msecs(const unsigned long j);
extern unsigned int jiffies_to_usecs(const unsigned long j);
+
+static inline u64 jiffies_to_nsecs(const unsigned long j)
+{
+ return (u64)jiffies_to_usecs(j) * NSEC_PER_USEC;
+}
+
extern unsigned long msecs_to_jiffies(const unsigned int m);
extern unsigned long usecs_to_jiffies(const unsigned int u);
extern unsigned long timespec_to_jiffies(const struct timespec *value);
diff --git a/include/linux/tick.h b/include/linux/tick.h
index 0175d8663b6c..b84773cb9f4c 100644
--- a/include/linux/tick.h
+++ b/include/linux/tick.h
@@ -104,7 +104,7 @@ extern struct cpumask *tick_get_broadcast_oneshot_mask(void);
extern void tick_clock_notify(void);
extern int tick_check_oneshot_change(int allow_nohz);
extern struct tick_sched *tick_get_tick_sched(int cpu);
-extern void tick_check_idle(void);
+extern void tick_irq_enter(void);
extern int tick_oneshot_mode_active(void);
# ifndef arch_needs_cpu
# define arch_needs_cpu(cpu) (0)
@@ -112,7 +112,7 @@ extern int tick_oneshot_mode_active(void);
# else
static inline void tick_clock_notify(void) { }
static inline int tick_check_oneshot_change(int allow_nohz) { return 0; }
-static inline void tick_check_idle(void) { }
+static inline void tick_irq_enter(void) { }
static inline int tick_oneshot_mode_active(void) { return 0; }
# endif
@@ -121,7 +121,7 @@ static inline void tick_init(void) { }
static inline void tick_cancel_sched_timer(int cpu) { }
static inline void tick_clock_notify(void) { }
static inline int tick_check_oneshot_change(int allow_nohz) { return 0; }
-static inline void tick_check_idle(void) { }
+static inline void tick_irq_enter(void) { }
static inline int tick_oneshot_mode_active(void) { return 0; }
#endif /* !CONFIG_GENERIC_CLOCKEVENTS */