Wen Yang 77cc52f1b8 tick/rcu: Fix bogus ratelimit condition ...

[ Upstream commit a7e282c777 ]

The ratelimit logic in report_idle_softirq() is broken because the
exit condition is always true:

	static int ratelimit;

	if (ratelimit < 10)
		return false;  ---> always returns here

	ratelimit++;           ---> no chance to run

Make it check for >= 10 instead.

Fixes: 0345691b24 ("tick/rcu: Stop allowing RCU_SOFTIRQ in idle")
Signed-off-by: Wen Yang <wenyang.linux@foxmail.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Link: https://lore.kernel.org/r/tencent_5AAA3EEAB42095C9B7740BE62FBF9A67E007@qq.com
Signed-off-by: Sasha Levin <sashal@kernel.org>

2023-07-19 16:20:59 +02:00

..

alarmtimer.c

alarmtimer: Prevent starvation by small intervals and SIG_IGN

2023-02-22 12:59:55 +01:00

clockevents.c

clockevents: Use dedicated list iterator variable

2022-04-10 12:38:45 +02:00

clocksource-wdtest.c

clocksource: Make clocksource watchdog test safe for slow-HZ systems

2021-08-28 17:01:32 +02:00

clocksource.c

clocksource: Suspend the watchdog temporarily when high read latency detected

2023-03-10 09:33:50 +01:00

hrtimer.c

timers: Prevent union confusion from unexpected restart_syscall()

2023-03-10 09:33:49 +01:00

itimer.c

time: Prevent undefined behaviour in timespec64_to_ns()

2020-10-26 11:48:11 +01:00

jiffies.c

clocksource: Make clocksource watchdog test safe for slow-HZ systems

2021-08-28 17:01:32 +02:00

Kconfig

context_tracking: Take idle eqs entrypoints over RCU

2022-07-05 13:32:16 -07:00

Makefile

time: Improve performance of time64_to_tm()

2021-06-24 11:51:59 +02:00

namespace.c

memcg: enable accounting for new namesapces and struct nsproxy

2021-09-03 09:58:12 -07:00

ntp_internal.h

ntp: Make the RTC synchronization more reliable

2020-12-11 10:40:52 +01:00

ntp.c

timekeeping, clocksource: Fix various typos in comments

2021-03-22 23:06:48 +01:00

posix-clock.c

posix-clocks: Rename the clock_get() callback to clock_get_timespec()

2020-01-14 12:20:49 +01:00

posix-cpu-timers.c

posix-cpu-timers: Implement the missing timer_wait_running callback

2023-05-11 23:03:00 +09:00

posix-stubs.c

timers: Prevent union confusion from unexpected restart_syscall()

2023-03-10 09:33:49 +01:00

posix-timers.c

posix-timers: Prevent RT livelock in itimer_delete()

2023-07-19 16:20:59 +02:00

posix-timers.h

posix-clocks: Introduce clock_get_ktime() callback

2020-01-14 12:20:51 +01:00

sched_clock.c

time/sched_clock: Fix formatting of frequency reporting code

2022-05-02 14:29:04 +02:00

test_udelay.c

time/debug: Fix memory leak with using debugfs_lookup()

2023-03-10 09:33:52 +01:00

tick-broadcast-hrtimer.c

timekeeping, clocksource: Fix various typos in comments

2021-03-22 23:06:48 +01:00

tick-broadcast.c

tick/broadcast: Make broadcast device replacement work correctly

2023-05-24 17:32:31 +01:00

tick-common.c

tick/common: Align tick period during sched_timer setup

2023-06-28 11:12:18 +02:00

tick-internal.h

clocksource: Make clocksource watchdog test safe for slow-HZ systems

2021-08-28 17:01:32 +02:00

tick-legacy.c

timekeeping: remove xtime_update

2020-10-30 21:57:07 +01:00

tick-oneshot.c

timekeeping, clocksource: Fix various typos in comments

2021-03-22 23:06:48 +01:00

tick-sched.c

tick/rcu: Fix bogus ratelimit condition

2023-07-19 16:20:59 +02:00

tick-sched.h

tick: Detect and fix jiffies update stall

2022-03-07 23:01:19 +01:00

time_test.c

time/kunit: Add missing MODULE_LICENSE()

2021-06-28 07:40:23 +02:00

time.c

time: Correct the prototype of ns_to_kernel_old_timeval and ns_to_timespec64

2022-08-09 20:02:13 +02:00

timeconst.bc

time: Add SPDX license identifiers

2018-11-23 11:51:20 +01:00

timeconv.c

time: Improve performance of time64_to_tm()

2021-06-24 11:51:59 +02:00

timecounter.c

time/timecounter: Mark 1st argument of timecounter_cyc2time() as const

2021-04-16 21:03:50 +02:00

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/vsyscall: Provide vdso_update_begin/end()

2020-08-06 10:57:30 +02:00

timekeeping.c

timekeeping: Fix references to nonexistent ktime_get_fast_ns()

2023-05-11 23:03:35 +09:00

timekeeping.h

Merge tag 'asm-generic-timers-5.11' of git://git.kernel.org/pub/scm/linux/kernel/git/arnd/asm-generic

2020-12-16 00:07:17 -08:00

timer_list.c

timer_list: Print name of per-cpu wakeup device

2021-05-31 17:04:49 +02:00

timer.c

Merge tag 'random-5.19-rc1-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/crng/random

2022-05-24 11:58:10 -07:00

vsyscall.c

timekeeping, clocksource: Fix various typos in comments

2021-03-22 23:06:48 +01:00