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authorJisheng Zhang <Jisheng.Zhang@synaptics.com>2019-12-18 05:31:25 +0000
committerThomas Gleixner <tglx@linutronix.de>2020-01-16 12:25:51 +0100
commitd129479f1fff5c88adbf8dff7649664916d28f81 (patch)
tree1ca10129763c5f26b70223f14d608daa6c8ff561 /kernel/watchdog.c
parentb3a987b0264d3ddbb24293ebff10eddfc472f653 (diff)
downloadlinux-d129479f1fff5c88adbf8dff7649664916d28f81.tar.bz2
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: Thomas Gleixner <tglx@linutronix.de> Link: https://lore.kernel.org/r/20191218131720.4146aea2@xhacker.debian
Diffstat (limited to 'kernel/watchdog.c')
-rw-r--r--kernel/watchdog.c3
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));