AuxXxilium/linux_dsm_epyc7002
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f5c2f0215e
linux_dsm_epyc7002/kernel/time
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Sebastian Andrzej Siewior f5c2f0215e hrtimer: Move unmarked hrtimers to soft interrupt expiry on RT 
On PREEMPT_RT not all hrtimers can be expired in hard interrupt context
even if that is perfectly fine on a PREEMPT_RT=n kernel, e.g. because they
take regular spinlocks. Also for latency reasons PREEMPT_RT tries to defer
most hrtimers' expiry into softirq context.

hrtimers marked with HRTIMER_MODE_HARD must be kept in hard interrupt
context expiry mode. Add the required logic.

No functional change for PREEMPT_RT=n kernels.

[ tglx: Split out of a larger combo patch. Added changelog ]

Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Link: https://lkml.kernel.org/r/20190726185753.551967692@linutronix.de
2019-08-01 20:51:21 +02:00
..
alarmtimer.c alarmtimer: Fix kerneldoc comment for alarmtimer_suspend() 2019-06-14 17:04:04 +02:00
clockevents.c tick: Remove outgoing CPU from broadcast masks 2019-03-23 18:26:43 +01:00
clocksource.c clocksource: Move inline keyword to the beginning of function declarations 2019-06-14 17:04:03 +02:00
hrtimer.c hrtimer: Move unmarked hrtimers to soft interrupt expiry on RT 2019-08-01 20:51:21 +02:00
itimer.c time: Remove useless filenames in top level comments 2018-11-23 11:51:20 +01:00
jiffies.c Merge branch 'timers-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2019-05-06 14:50:46 -07:00
Kconfig treewide: Add SPDX license identifier - Makefile/Kconfig 2019-05-21 10:50:46 +02:00
Makefile timekeeping: Provide a generic update_vsyscall() implementation 2019-06-22 21:21:06 +02:00
ntp_internal.h ntp: Audit NTP parameters adjustment 2019-04-15 18:14:01 -04:00
ntp.c ntp: Limit TAI-UTC offset 2019-06-22 11:28:53 +02:00
posix-clock.c timex: use __kernel_timex internally 2019-02-07 00:13:27 +01:00
posix-cpu-timers.c posix-cpu-timers: Remove private interval storage 2019-01-15 16:36:13 +01:00
posix-stubs.c y2038: syscalls: rename y2038 compat syscalls 2019-02-07 00:13:27 +01:00
posix-timers.c posix-timers: Use spin_lock_irq() in itimer_delete() 2019-06-22 12:14:22 +02:00
posix-timers.h timex: use __kernel_timex internally 2019-02-07 00:13:27 +01:00
sched_clock.c Printk changes for 5.2 2019-05-07 09:18:12 -07:00
test_udelay.c time/debug: Remove license boilerplate 2018-11-23 11:51:21 +01:00
tick-broadcast-hrtimer.c tick: Mark tick related hrtimers to expiry in hard interrupt context 2019-08-01 20:51:21 +02:00
tick-broadcast.c tick: Fix typos in comments 2019-04-19 19:17:04 +02:00
tick-common.c Merge branch 'timers-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2019-05-06 14:50:46 -07:00
tick-internal.h tick: Remove outgoing CPU from broadcast masks 2019-03-23 18:26:43 +01:00
tick-oneshot.c hrtimers/tick/clockevents: Remove sloppy license references 2018-11-23 11:51:21 +01:00
tick-sched.c tick: Mark tick related hrtimers to expiry in hard interrupt context 2019-08-01 20:51:21 +02:00
tick-sched.h tick/sched: Update tick_sched struct documentation 2019-03-24 20:29:32 +01:00
time.c time: Validate user input in compat_settimeofday() 2019-07-07 12:05:40 +02:00
timeconst.bc time: Add SPDX license identifiers 2018-11-23 11:51:20 +01:00
timeconv.c time: Add SPDX license identifiers 2018-11-23 11:51:20 +01:00
timecounter.c time: Remove license boilerplate 2018-11-23 11:51:21 +01:00
timekeeping_debug.c timekeeping/debug: No need to check return value of debugfs_create functions 2019-01-29 20:08:41 +01:00
timekeeping_internal.h timekeeping/ntp: Constify some function arguments 2018-07-19 17:08:05 -07:00
timekeeping.c timekeeping: Use proper ktime_add when adding nsecs in coarse offset 2019-06-22 12:11:27 +02:00
timekeeping.h timers/sched_clock: Prevent generic sched_clock wrap caused by tick_freeze() 2019-04-18 14:34:53 +02:00
timer_list.c timer_list: Guard procfs specific code 2019-06-23 00:08:52 +02:00
timer.c Printk changes for 5.2 2019-05-07 09:18:12 -07:00
vsyscall.c timekeeping/vsyscall: Use __iter_div_u64_rem() 2019-07-10 20:37:49 +02:00