OpenCloudOS-Kernel/kernel/time
Thomas Gleixner d5113e13a5 tick/broadcast: Check for hrtimer broadcast active early
If the current cpu is the one which has the hrtimer based broadcast
queued then we better return busy immediately instead of going through
loops and hoops to figure that out.

[ Split out from a larger combo patch ]

Tested-by: Sudeep Holla <sudeep.holla@arm.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Suzuki Poulose <Suzuki.Poulose@arm.com>
Cc: Lorenzo Pieralisi <Lorenzo.Pieralisi@arm.com>
Cc: Catalin Marinas <Catalin.Marinas@arm.com>
Cc: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Preeti U Murthy <preeti@linux.vnet.ibm.com>
Cc: Ingo Molnar <mingo@kernel.org>
Link: http://lkml.kernel.org/r/alpine.DEB.2.11.1507070929360.3916@nanos
2015-07-07 18:46:48 +02:00
..
Kconfig clockevents: Remove CONFIG_GENERIC_CLOCKEVENTS_BUILD 2015-04-01 14:22:57 +02:00
Makefile time: Remove development rules from Kbuild/Makefile 2015-07-01 09:57:35 +02:00
alarmtimer.c alarmtimer: Get rid of unused return value 2015-04-22 17:06:52 +02:00
clockevents.c clockevents: Allow set-state callbacks to be optional 2015-07-07 10:44:45 +02:00
clocksource.c clocksource: Use current logging style 2015-06-10 11:31:14 +02:00
hrtimer.c Merge branch 'timers-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2015-06-22 18:57:44 -07:00
itimer.c time/timers: Move all time(r) related files into kernel/time 2014-06-23 11:22:35 +02:00
jiffies.c tick: Move clocksource related stuff to timekeeping.h 2015-04-01 14:22:58 +02:00
ntp.c ntp: Do leapsecond adjustment in adjtimex read path 2015-06-12 11:15:49 +02:00
ntp_internal.h time: Prevent early expiry of hrtimers[CLOCK_REALTIME] at the leap second edge 2015-06-12 11:15:49 +02:00
posix-clock.c kernel: Fix files explicitly needing EXPORT_SYMBOL infrastructure 2011-10-31 19:30:05 -04:00
posix-cpu-timers.c sched, timer: Use the atomic task_cputime in thread_group_cputimer 2015-05-08 12:17:46 +02:00
posix-timers.c hrtimer: Get rid of hrtimer_get_res() 2015-04-22 17:06:49 +02:00
sched_clock.c timers, sched/clock: Clean up the code a bit 2015-03-27 08:34:01 +01:00
test_udelay.c time: Rename udelay_test.c to test_udelay.c 2014-11-21 11:59:55 -08:00
tick-broadcast-hrtimer.c tick: hrtimer-broadcast: Prevent endless restarting when broadcast device is unused 2015-05-05 15:34:21 +02:00
tick-broadcast.c tick/broadcast: Check for hrtimer broadcast active early 2015-07-07 18:46:48 +02:00
tick-common.c tick/broadcast: Make idle check independent from mode and config 2015-07-07 18:46:47 +02:00
tick-internal.h timer: Minimize nohz off overhead 2015-06-19 15:18:28 +02:00
tick-oneshot.c clockevents: Provide functions to set and get the state 2015-06-02 14:40:47 +02:00
tick-sched.c timer: Minimize nohz off overhead 2015-06-19 15:18:28 +02:00
tick-sched.h tick/broadcast: Make idle check independent from mode and config 2015-07-07 18:46:47 +02:00
time.c time: Refactor usecs_to_jiffies 2015-06-10 11:31:13 +02:00
timeconst.bc time: Move timeconst.h into include/generated 2015-05-19 15:13:45 +02:00
timeconv.c time: add function to convert between calendar time and broken-down time for universal use 2009-09-24 07:20:56 -07:00
timecounter.c timecounter: keep track of accumulated fractional nanoseconds 2014-12-30 18:29:27 -05:00
timekeeping.c Minor merge needed, due to function move. 2015-07-01 10:49:25 -07:00
timekeeping.h hrtimer: Make offset update smarter 2015-04-22 17:06:49 +02:00
timekeeping_debug.c timekeeping: Convert timekeeping core to use timespec64s 2014-07-23 10:17:54 -07:00
timekeeping_internal.h clocksource: Move cycle_last validation to core code 2014-07-23 15:01:51 -07:00
timer.c timer: Fix hotplug regression 2015-06-26 22:58:06 +02:00
timer_list.c timer: Reduce timer migration overhead if disabled 2015-06-19 15:18:28 +02:00
timer_stats.c timer: Stats: Simplify the flags handling 2015-06-19 15:18:27 +02:00