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| author | Jisheng Zhang <Jisheng.Zhang@synaptics.com> | 2019-12-18 06:31:25 +0100 |
|---|---|---|
| committer | Peter Zijlstra <peterz@infradead.org> | 2020-01-17 10:19:19 +0100 |
| commit | db5793c5993d265fe6644b6638fcb0758f6b5347 (patch) | |
| tree | 71a67a9c48a356ff06883b15ada0eb0d235fff1d | |
| parent | sched/rt: Make RT capacity-aware (diff) | |
| download | linux-db5793c5993d265fe6644b6638fcb0758f6b5347.tar.xz linux-db5793c5993d265fe6644b6638fcb0758f6b5347.zip | |
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 <Jisheng.Zhang@synaptics.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Link: https://lkml.kernel.org/r/20191218131720.4146aea2@xhacker.debian
| -rw-r--r-- | kernel/watchdog.c | 3 |
1 files changed, 0 insertions, 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)); |