| Message ID | 20160111174031.6cc73575@endymion.delvare (mailing list archive) |
|---|---|
| State | Accepted, archived |
| Delegated to: | Rafael Wysocki |
| Headers | show |
Bah, sorry for the wonky subject :(
On Mon, 11 Jan 2016, Jean Delvare wrote: > The cpuidle subsystem needs it. > > Signed-off-by: Jean Delvare <jdelvare@suse.de> > Cc: Thomas Gleixner <tglx@linutronix.de> > Cc: Zhang Rui <rui.zhang@intel.com> Reviewed-by: Thomas Gleixner <tglx@linutronix.de> > --- > include/linux/tick.h | 2 ++ > kernel/time/tick-sched.c | 2 +- > 2 files changed, 3 insertions(+), 1 deletion(-) > > --- linux-4.4.orig/include/linux/tick.h 2016-01-11 00:01:32.000000000 +0100 > +++ linux-4.4/include/linux/tick.h 2016-01-11 15:10:46.334547548 +0100 > @@ -98,6 +98,7 @@ static inline void tick_broadcast_exit(v > } > > #ifdef CONFIG_NO_HZ_COMMON > +extern int tick_nohz_enabled; > extern int tick_nohz_tick_stopped(void); > extern void tick_nohz_idle_enter(void); > extern void tick_nohz_idle_exit(void); > @@ -106,6 +107,7 @@ extern ktime_t tick_nohz_get_sleep_lengt > extern u64 get_cpu_idle_time_us(int cpu, u64 *last_update_time); > extern u64 get_cpu_iowait_time_us(int cpu, u64 *last_update_time); > #else /* !CONFIG_NO_HZ_COMMON */ > +#define tick_nohz_enabled (0) > static inline int tick_nohz_tick_stopped(void) { return 0; } > static inline void tick_nohz_idle_enter(void) { } > static inline void tick_nohz_idle_exit(void) { } > --- linux-4.4.orig/kernel/time/tick-sched.c 2016-01-11 15:06:54.776653477 +0100 > +++ linux-4.4/kernel/time/tick-sched.c 2016-01-11 15:09:19.022700899 +0100 > @@ -387,7 +387,7 @@ void __init tick_nohz_init(void) > /* > * NO HZ enabled ? > */ > -static int tick_nohz_enabled __read_mostly = 1; > +int tick_nohz_enabled __read_mostly = 1; > unsigned long tick_nohz_active __read_mostly; > /* > * Enable / Disable tickless mode > > -- > Jean Delvare > SUSE L3 Support > -- To unsubscribe from this list: send the line "unsubscribe linux-pm" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
--- linux-4.4.orig/include/linux/tick.h 2016-01-11 00:01:32.000000000 +0100 +++ linux-4.4/include/linux/tick.h 2016-01-11 15:10:46.334547548 +0100 @@ -98,6 +98,7 @@ static inline void tick_broadcast_exit(v } #ifdef CONFIG_NO_HZ_COMMON +extern int tick_nohz_enabled; extern int tick_nohz_tick_stopped(void); extern void tick_nohz_idle_enter(void); extern void tick_nohz_idle_exit(void); @@ -106,6 +107,7 @@ extern ktime_t tick_nohz_get_sleep_lengt extern u64 get_cpu_idle_time_us(int cpu, u64 *last_update_time); extern u64 get_cpu_iowait_time_us(int cpu, u64 *last_update_time); #else /* !CONFIG_NO_HZ_COMMON */ +#define tick_nohz_enabled (0) static inline int tick_nohz_tick_stopped(void) { return 0; } static inline void tick_nohz_idle_enter(void) { } static inline void tick_nohz_idle_exit(void) { } --- linux-4.4.orig/kernel/time/tick-sched.c 2016-01-11 15:06:54.776653477 +0100 +++ linux-4.4/kernel/time/tick-sched.c 2016-01-11 15:09:19.022700899 +0100 @@ -387,7 +387,7 @@ void __init tick_nohz_init(void) /* * NO HZ enabled ? */ -static int tick_nohz_enabled __read_mostly = 1; +int tick_nohz_enabled __read_mostly = 1; unsigned long tick_nohz_active __read_mostly; /* * Enable / Disable tickless mode
The cpuidle subsystem needs it. Signed-off-by: Jean Delvare <jdelvare@suse.de> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Zhang Rui <rui.zhang@intel.com> --- include/linux/tick.h | 2 ++ kernel/time/tick-sched.c | 2 +- 2 files changed, 3 insertions(+), 1 deletion(-)