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authorDavid S. Miller <davem@davemloft.net>2010-03-15 16:23:54 -0700
committerDavid S. Miller <davem@davemloft.net>2010-03-15 16:23:54 -0700
commit4961e02f1999e1c3468c09b2669c94d7c3ae82a8 (patch)
tree44c15abb09d7ba5e17a9aba95ee246648b1c1a8a /kernel/rcutree.h
parentd14a0ebda7d3daede1a99c01527affb9ceaa4c22 (diff)
parenta3d3203e4bb40f253b1541e310dc0f9305be7c84 (diff)
downloadop-kernel-dev-4961e02f1999e1c3468c09b2669c94d7c3ae82a8.zip
op-kernel-dev-4961e02f1999e1c3468c09b2669c94d7c3ae82a8.tar.gz
Merge branch 'master' of /home/davem/src/GIT/linux-2.6/
Diffstat (limited to 'kernel/rcutree.h')
-rw-r--r--kernel/rcutree.h21
1 files changed, 15 insertions, 6 deletions
diff --git a/kernel/rcutree.h b/kernel/rcutree.h
index 1439eb5..4a525a3 100644
--- a/kernel/rcutree.h
+++ b/kernel/rcutree.h
@@ -246,12 +246,21 @@ struct rcu_data {
#define RCU_JIFFIES_TILL_FORCE_QS 3 /* for rsp->jiffies_force_qs */
#ifdef CONFIG_RCU_CPU_STALL_DETECTOR
-#define RCU_SECONDS_TILL_STALL_CHECK (10 * HZ) /* for rsp->jiffies_stall */
-#define RCU_SECONDS_TILL_STALL_RECHECK (30 * HZ) /* for rsp->jiffies_stall */
-#define RCU_STALL_RAT_DELAY 2 /* Allow other CPUs time */
- /* to take at least one */
- /* scheduling clock irq */
- /* before ratting on them. */
+
+#ifdef CONFIG_PROVE_RCU
+#define RCU_STALL_DELAY_DELTA (5 * HZ)
+#else
+#define RCU_STALL_DELAY_DELTA 0
+#endif
+
+#define RCU_SECONDS_TILL_STALL_CHECK (10 * HZ + RCU_STALL_DELAY_DELTA)
+ /* for rsp->jiffies_stall */
+#define RCU_SECONDS_TILL_STALL_RECHECK (30 * HZ + RCU_STALL_DELAY_DELTA)
+ /* for rsp->jiffies_stall */
+#define RCU_STALL_RAT_DELAY 2 /* Allow other CPUs time */
+ /* to take at least one */
+ /* scheduling clock irq */
+ /* before ratting on them. */
#endif /* #ifdef CONFIG_RCU_CPU_STALL_DETECTOR */
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