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Wen Yang 77cc52f1b8 tick/rcu: Fix bogus ratelimit condition 
[ Upstream commit a7e282c77785c7eabf98836431b1f029481085ad ]

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: 0345691b24c0 ("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
…
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_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
asm-generic: cross-architecture timer cleanup
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
Random number generator updates for Linux 5.19-rc1.
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