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authorPaul E. McKenney <paulmck@linux.vnet.ibm.com>2010-01-14 16:10:57 -0800
committerIngo Molnar <mingo@elte.hu>2010-01-16 10:25:22 +0100
commit4c54005ca438a8b46dd542b497d4f0dc2ca375e8 (patch)
tree4274fb9dcbd94480b93fecefcf83969db53461ba /Documentation/RCU/whatisRCU.txt
parentb6407e863934965cdc66cbc244d811ceeb6f4d77 (diff)
downloadlinux-linaro-stable-4c54005ca438a8b46dd542b497d4f0dc2ca375e8.tar.gz
rcu: 1Q2010 update for RCU documentation
Add expedited functions. Review documentation and update obsolete verbiage. Also fix the advice for the RCU CPU-stall kernel configuration parameter, and document RCU CPU-stall warnings. Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com> Cc: laijs@cn.fujitsu.com Cc: dipankar@in.ibm.com Cc: mathieu.desnoyers@polymtl.ca Cc: josh@joshtriplett.org Cc: dvhltc@us.ibm.com Cc: niv@us.ibm.com Cc: peterz@infradead.org Cc: rostedt@goodmis.org Cc: Valdis.Kletnieks@vt.edu Cc: dhowells@redhat.com LKML-Reference: <12635142581866-git-send-email-> Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'Documentation/RCU/whatisRCU.txt')
-rw-r--r--Documentation/RCU/whatisRCU.txt3
1 files changed, 2 insertions, 1 deletions
diff --git a/Documentation/RCU/whatisRCU.txt b/Documentation/RCU/whatisRCU.txt
index d542ca243b80..469a58b2e67e 100644
--- a/Documentation/RCU/whatisRCU.txt
+++ b/Documentation/RCU/whatisRCU.txt
@@ -327,7 +327,8 @@ a. synchronize_rcu() rcu_read_lock() / rcu_read_unlock()
b. call_rcu_bh() rcu_read_lock_bh() / rcu_read_unlock_bh()
-c. synchronize_sched() preempt_disable() / preempt_enable()
+c. synchronize_sched() rcu_read_lock_sched() / rcu_read_unlock_sched()
+ preempt_disable() / preempt_enable()
local_irq_save() / local_irq_restore()
hardirq enter / hardirq exit
NMI enter / NMI exit