From d129479f1fff5c88adbf8dff7649664916d28f81 Mon Sep 17 00:00:00 2001 From: Jisheng Zhang Date: Wed, 18 Dec 2019 05:31:25 +0000 Subject: [PATCH] watchdog: Remove soft_lockup_hrtimer_cnt and related code After commit 9cf57731b63e ("watchdog/softlockup: Replace "watchdog/%u" threads with cpu_stop_work"), the percpu soft_lockup_hrtimer_cnt is not used any more, so remove it and related code. Signed-off-by: Jisheng Zhang Signed-off-by: Thomas Gleixner Link: https://lore.kernel.org/r/20191218131720.4146aea2@xhacker.debian --- kernel/watchdog.c | 3 --- 1 file changed, 3 deletions(-) diff --git a/kernel/watchdog.c b/kernel/watchdog.c index f41334ef0971..0621301ae8cf 100644 --- a/kernel/watchdog.c +++ b/kernel/watchdog.c @@ -173,7 +173,6 @@ static DEFINE_PER_CPU(struct hrtimer, watchdog_hrtimer); static DEFINE_PER_CPU(bool, softlockup_touch_sync); static DEFINE_PER_CPU(bool, soft_watchdog_warn); static DEFINE_PER_CPU(unsigned long, hrtimer_interrupts); -static DEFINE_PER_CPU(unsigned long, soft_lockup_hrtimer_cnt); static DEFINE_PER_CPU(struct task_struct *, softlockup_task_ptr_saved); static DEFINE_PER_CPU(unsigned long, hrtimer_interrupts_saved); static unsigned long soft_lockup_nmi_warn; @@ -350,8 +349,6 @@ static DEFINE_PER_CPU(struct cpu_stop_work, softlockup_stop_work); */ static int softlockup_fn(void *data) { - __this_cpu_write(soft_lockup_hrtimer_cnt, - __this_cpu_read(hrtimer_interrupts)); __touch_watchdog(); complete(this_cpu_ptr(&softlockup_completion));