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-rw-r--r--kernel/softlockup.c9
1 files changed, 9 insertions, 0 deletions
diff --git a/kernel/softlockup.c b/kernel/softlockup.c
index d9188c66278a..85d5a2455103 100644
--- a/kernel/softlockup.c
+++ b/kernel/softlockup.c
@@ -16,6 +16,7 @@
16#include <linux/lockdep.h> 16#include <linux/lockdep.h>
17#include <linux/notifier.h> 17#include <linux/notifier.h>
18#include <linux/module.h> 18#include <linux/module.h>
19#include <linux/sysctl.h>
19 20
20#include <asm/irq_regs.h> 21#include <asm/irq_regs.h>
21 22
@@ -88,6 +89,14 @@ void touch_all_softlockup_watchdogs(void)
88} 89}
89EXPORT_SYMBOL(touch_all_softlockup_watchdogs); 90EXPORT_SYMBOL(touch_all_softlockup_watchdogs);
90 91
92int proc_dosoftlockup_thresh(struct ctl_table *table, int write,
93 struct file *filp, void __user *buffer,
94 size_t *lenp, loff_t *ppos)
95{
96 touch_all_softlockup_watchdogs();
97 return proc_dointvec_minmax(table, write, filp, buffer, lenp, ppos);
98}
99
91/* 100/*
92 * This callback runs from the timer interrupt, and checks 101 * This callback runs from the timer interrupt, and checks
93 * whether the watchdog thread has hung or not: 102 * whether the watchdog thread has hung or not: