Eric Dumazet b546e22245 posix-timers: Add cond_resched() to posix_timer_add() search loop ...

[ Upstream commit 5f2909c6cd ]

With a large number of POSIX timers the search for a valid ID might cause a
soft lockup on PREEMPT_NONE/VOLUNTARY kernels.

Add cond_resched() to the loop to prevent that.

[ tglx: Split out from Eric's series ]

Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Frederic Weisbecker <frederic@kernel.org>
Link: https://lore.kernel.org/all/20250214135911.2037402-2-edumazet@google.com
Link: https://lore.kernel.org/all/20250308155623.635612865@linutronix.de
Signed-off-by: Sasha Levin <sashal@kernel.org>

2025-06-04 14:37:00 +02:00

..

alarmtimer.c

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clockevents.c

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clocksource.c

clocksource: Use migrate_disable() to avoid calling get_random_u32() in atomic context

2025-03-13 12:47:20 +01:00

hrtimer.c

hrtimers: Mark is_migration_base() with __always_inline

2025-04-10 14:30:49 +02:00

itimer.c

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jiffies.c

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Kconfig

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Makefile

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namespace.c

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ntp_internal.h

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ntp.c

ntp: Safeguard against time_constant overflow

2024-08-19 05:41:18 +02:00

posix-clock.c

posix-clock: posix-clock: Fix unbalanced locking in pc_clock_settime()

2024-11-08 16:21:59 +01:00

posix-cpu-timers.c

posix-cpu-timers: Implement the missing timer_wait_running callback

2023-05-17 11:47:31 +02:00

posix-stubs.c

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posix-timers.c

posix-timers: Add cond_resched() to posix_timer_add() search loop

2025-06-04 14:37:00 +02:00

posix-timers.h

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sched_clock.c

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test_udelay.c

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tick-broadcast-hrtimer.c

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tick-broadcast.c

tick/broadcast: Move per CPU pointer access into the atomic section

2024-08-19 05:41:18 +02:00

tick-common.c

tick/nohz_full: Don't abuse smp_call_function_single() in tick_setup_device()

2024-07-05 09:12:32 +02:00

tick-internal.h

tick: Get rid of tick_period

2023-05-17 11:47:46 +02:00

tick-oneshot.c

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tick-sched.c

tick/sched: Preserve number of idle sleeps across CPU hotplug events

2024-02-23 08:42:01 +01:00

tick-sched.h

tick: Detect and fix jiffies update stall

2023-08-30 16:23:17 +02:00

time.c

time: Fix references to _msecs_to_jiffies() handling of values

2024-12-14 19:47:45 +01:00

timeconst.bc

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timeconv.c

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timecounter.c

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timekeeping_debug.c

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timekeeping_internal.h

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timekeeping.c

timekeeping: Fix cross-timestamp interpolation for non-x86

2024-03-26 18:21:48 -04:00

timekeeping.h

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timer_list.c

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timer.c

timers: Rename del_timer_sync() to timer_delete_sync()

2024-04-13 12:57:58 +02:00

vsyscall.c

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