diff options
author | Steven Whitehouse <swhiteho@redhat.com> | 2006-07-17 09:25:26 -0400 |
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committer | Steven Whitehouse <swhiteho@redhat.com> | 2006-07-17 09:25:26 -0400 |
commit | 4bf311ddfbffe12d41ad1a3c311ab727db6f72cb (patch) | |
tree | 9d19a2774e83637d86dc876f3af22af1dacf0bec /Documentation/RCU/whatisRCU.txt | |
parent | 597d0cae0f99f62501e229bed50e8149604015bb (diff) | |
parent | 82d6897fefca6206bca7153805b4c5359ce97fc4 (diff) |
Merge branch 'master'
Diffstat (limited to 'Documentation/RCU/whatisRCU.txt')
-rw-r--r-- | Documentation/RCU/whatisRCU.txt | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/Documentation/RCU/whatisRCU.txt b/Documentation/RCU/whatisRCU.txt index 4f41a60e511..318df44259b 100644 --- a/Documentation/RCU/whatisRCU.txt +++ b/Documentation/RCU/whatisRCU.txt @@ -687,8 +687,9 @@ diff shows how closely related RCU and reader-writer locking can be. + 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 listing: 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); |