debug_core: stop rcu warnings on kernel resume



When returning from the kernel debugger reset the rcu jiffies_stall
value to prevent the rcu stall detector from sending NMI events which
invoke a stack dump for each cpu in the system.

Signed-off-by: Jason Wessel <jason.wessel@windriver.com>

parent 16cdc628

kernel/debug/debug_core.c

+2 −0

Original line number	Diff line number	Diff line
		@@ -47,6 +47,7 @@
		#include <linux/pid.h>
		#include <linux/smp.h>
		#include <linux/mm.h>
		#include <linux/rcupdate.h>

		#include <asm/cacheflush.h>
		#include <asm/byteorder.h>
		@@ -474,6 +475,7 @@ static void dbg_touch_watchdogs(void)
		{
		touch_softlockup_watchdog_sync();
		clocksource_touch_watchdog();
		rcu_cpu_stall_reset();
		}

		static int kgdb_cpu_enter(struct kgdb_state ks, struct pt_regs regs)