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| author | Chris Friesen <cfriesen@nortel.com> | 2008-09-22 11:06:09 -0600 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-09-22 19:43:10 +0200 |
| commit | caea8a03702c147e8ae90da0801e7ba8297b1d46 (patch) | |
| tree | 7ff0746c3dbcc73bc241957c2b3149bcf8901fb2 /kernel/sched_fair.c | |
| parent | f681bbd656b01439be904250a1581ca9c27505a1 (diff) | |
| download | op-kernel-dev-caea8a03702c147e8ae90da0801e7ba8297b1d46.zip op-kernel-dev-caea8a03702c147e8ae90da0801e7ba8297b1d46.tar.gz | |
sched: fix list traversal to use _rcu variant
load_balance_fair() calls rcu_read_lock() but then traverses the list
using the regular list traversal routine. This patch converts the
list traversal to use the _rcu version.
Signed-off-by: Chris Friesen <cfriesen@nortel.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'kernel/sched_fair.c')
| -rw-r--r-- | kernel/sched_fair.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/kernel/sched_fair.c b/kernel/sched_fair.c index 7328383..3b89aa6 100644 --- a/kernel/sched_fair.c +++ b/kernel/sched_fair.c @@ -1521,7 +1521,7 @@ load_balance_fair(struct rq *this_rq, int this_cpu, struct rq *busiest, rcu_read_lock(); update_h_load(busiest_cpu); - list_for_each_entry(tg, &task_groups, list) { + list_for_each_entry_rcu(tg, &task_groups, list) { struct cfs_rq *busiest_cfs_rq = tg->cfs_rq[busiest_cpu]; unsigned long busiest_h_load = busiest_cfs_rq->h_load; unsigned long busiest_weight = busiest_cfs_rq->load.weight; |
