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| author | Paul E. McKenney <paulmck@linux.vnet.ibm.com> | 2010-01-15 03:10:57 +0300 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2010-01-16 12:25:22 +0300 |
| commit | 4c54005ca438a8b46dd542b497d4f0dc2ca375e8 (patch) | |
| tree | 4274fb9dcbd94480b93fecefcf83969db53461ba /Documentation/RCU/whatisRCU.txt | |
| parent | b6407e863934965cdc66cbc244d811ceeb6f4d77 (diff) | |
| download | linux-4c54005ca438a8b46dd542b497d4f0dc2ca375e8.tar.xz | |
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.txt | 3 |
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 |