Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit bb3b9cf1 authored by Paul E. McKenney's avatar Paul E. McKenney Committed by Linus Torvalds
Browse files

[PATCH] Fix comment to synchronize_sched() 



Fix to broken comment to synchronize_rcu() noted by Keith Owens.  Also add
sentence noting that synchronize_sched() and synchronize_rcu() are not
necessarily identical.

Signed-off-by: default avatarPaul E. McKenney <paulmck@us.ibm.com>
Cc: Keith Owens <kaos@sgi.com>
Cc: Stephen Hemminger <shemminger@osdl.org>
Signed-off-by: default avatarAndrew Morton <akpm@osdl.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@osdl.org>
parent 9d9c0531

include/linux/rcupdate.h

+4 −1
Original line number Diff line number Diff line
@@ -240,11 +240,14 @@ extern int rcu_pending(int cpu); 
 * This means that all preempt_disable code sequences, including NMI and

 * hardware-interrupt handlers, in progress on entry will have completed

 * before this primitive returns.  However, this does not guarantee that

 * softirq handlers will have completed, since in some kernels

 * softirq handlers will have completed, since in some kernels, these

 * handlers can run in process context, and can block.

 *

 * This primitive provides the guarantees made by the (deprecated)

 * synchronize_kernel() API.  In contrast, synchronize_rcu() only

 * guarantees that rcu_read_lock() sections will have completed.

 * In "classic RCU", these two guarantees happen to be one and

 * the same, but can differ in realtime RCU implementations.

 */

#define synchronize_sched() synchronize_rcu()