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authorJason Wessel <jason.wessel@windriver.com>2010-08-06 11:47:14 -0500
committerJason Wessel <jason.wessel@windriver.com>2010-10-22 15:34:10 -0500
commit16cdc628c3aed47d02205135b7e2f01e0064f566 (patch)
tree8f8709ee2b9e2c5f38e1261dcc773887d092f73d /kernel/debug/debug_core.c
parentfad99fac2627e2cc0ebfe07fcb5046c0b4e103f9 (diff)
downloadlinux-16cdc628c3aed47d02205135b7e2f01e0064f566.tar.gz
debug_core: move all watch dog syncs to a single function
Move the various clock and watch dog syncs to a single function in
advance of adding another sync for the rcu stall detector.

Signed-off-by: Jason Wessel <jason.wessel@windriver.com>
Diffstat (limited to 'kernel/debug/debug_core.c')
-rw-r--r--kernel/debug/debug_core.c15
1 files changed, 9 insertions, 6 deletions
diff --git a/kernel/debug/debug_core.c b/kernel/debug/debug_core.c
index de407c78178d..c812857d0b80 100644
--- a/kernel/debug/debug_core.c
+++ b/kernel/debug/debug_core.c
@@ -470,6 +470,12 @@ static void dbg_cpu_switch(int cpu, int next_cpu)
 	kgdb_info[next_cpu].exception_state |= DCPU_NEXT_MASTER;
 }
 
+static void dbg_touch_watchdogs(void)
+{
+	touch_softlockup_watchdog_sync();
+	clocksource_touch_watchdog();
+}
+
 static int kgdb_cpu_enter(struct kgdb_state *ks, struct pt_regs *regs)
 {
 	unsigned long flags;
@@ -523,8 +529,7 @@ return_normal:
 			if (trace_on)
 				tracing_on();
 			atomic_dec(&cpu_in_kgdb[cpu]);
-			touch_softlockup_watchdog_sync();
-			clocksource_touch_watchdog();
+			dbg_touch_watchdogs();
 			local_irq_restore(flags);
 			return 0;
 		}
@@ -541,8 +546,7 @@ return_normal:
 	    (kgdb_info[cpu].task &&
 	     kgdb_info[cpu].task->pid != kgdb_sstep_pid) && --sstep_tries) {
 		atomic_set(&kgdb_active, -1);
-		touch_softlockup_watchdog_sync();
-		clocksource_touch_watchdog();
+		dbg_touch_watchdogs();
 		local_irq_restore(flags);
 
 		goto acquirelock;
@@ -659,8 +663,7 @@ kgdb_restore:
 		tracing_on();
 	/* Free kgdb_active */
 	atomic_set(&kgdb_active, -1);
-	touch_softlockup_watchdog_sync();
-	clocksource_touch_watchdog();
+	dbg_touch_watchdogs();
 	local_irq_restore(flags);
 
 	return kgdb_info[cpu].ret_state;