The patch titled
RCU Documentation fix
has been added to the -mm tree. Its filename is
rcu-documentation-fix.patch
See http://www.zip.com.au/~akpm/linux/patches/stuff/added-to-mm.txt to find
out what to do about this
------------------------------------------------------
Subject: RCU Documentation fix
From: Urs Thuermann <urs@xxxxxxxxxxxxxxxxx>
Updater should use _rcu variant of list_del().
Signed-off-by: Urs Thuermann <urs@xxxxxxxxxxxxxxxxx>
Cc: "Paul E. McKenney" <paulmck@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxx>
---
Documentation/RCU/whatisRCU.txt | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
diff -puN Documentation/RCU/whatisRCU.txt~rcu-documentation-fix Documentation/RCU/whatisRCU.txt
--- a/Documentation/RCU/whatisRCU.txt~rcu-documentation-fix
+++ a/Documentation/RCU/whatisRCU.txt
@@ -687,8 +687,9 @@ diff shows how closely related RCU and r
+ spin_lock(&listmutex);
list_for_each_entry(p, head, lp) {
if (p->key == key) {
- list_del(&p->list);
+ - list_del(&p->list);
- write_unlock(&listmutex);
+ + list_del_rcu(&p->list);
+ spin_unlock(&listmutex);
+ synchronize_rcu();
kfree(p);
@@ -736,7 +737,7 @@ Or, for those who prefer a side-by-side
5 write_lock(&listmutex); 5 spin_lock(&listmutex);
6 list_for_each_entry(p, head, lp) { 6 list_for_each_entry(p, head, lp) {
7 if (p->key == key) { 7 if (p->key == key) {
- 8 list_del(&p->list); 8 list_del(&p->list);
+ 8 list_del(&p->list); 8 list_del_rcu(&p->list);
9 write_unlock(&listmutex); 9 spin_unlock(&listmutex);
10 synchronize_rcu();
10 kfree(p); 11 kfree(p);
_
Patches currently in -mm which might be from urs@xxxxxxxxxxxxxxxxx are
rcu-documentation-fix.patch
-
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