rcu: increase RCU stall-check timeouts
authorPaul E. McKenney <paulmck@linux.vnet.ibm.com>
Mon, 3 Nov 2008 17:16:39 +0000 (09:16 -0800)
committerIngo Molnar <mingo@elte.hu>
Mon, 3 Nov 2008 17:36:48 +0000 (18:36 +0100)
Impact: increase timeout of debug check feature

Increase RCU stall period timeouts to reduce the likelyhood of
false positives.

Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
include/linux/rcuclassic.h

index 5f89b62..301dda8 100644 (file)
@@ -41,7 +41,7 @@
 #include <linux/seqlock.h>
 
 #ifdef CONFIG_RCU_CPU_STALL_DETECTOR
-#define RCU_SECONDS_TILL_STALL_CHECK   ( 3 * HZ) /* for rcp->jiffies_stall */
+#define RCU_SECONDS_TILL_STALL_CHECK   (10 * HZ) /* for rcp->jiffies_stall */
 #define RCU_SECONDS_TILL_STALL_RECHECK (30 * HZ) /* for rcp->jiffies_stall */
 #endif /* #ifdef CONFIG_RCU_CPU_STALL_DETECTOR */