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authorPeter Zijlstra <a.p.zijlstra@chello.nl>2008-12-26 15:08:55 +0100
committerIngo Molnar <mingo@elte.hu>2008-12-29 13:43:00 +0100
commitea319518ba3de282c13ae1cf4bf2215c5e03e67e (patch)
tree72eea2b8e5d8926e95ade18d610d59b13df5dae5 /lib/proportions.c
parent00ef9f7348dfd2fc223ec42aceb30836e86b367f (diff)
downloadop-kernel-dev-ea319518ba3de282c13ae1cf4bf2215c5e03e67e.zip
op-kernel-dev-ea319518ba3de282c13ae1cf4bf2215c5e03e67e.tar.gz
locking, percpu counters: introduce separate lock classes
Impact: fix lockdep false positives Classify percpu_counter instances similar to regular lock objects -- that is, per instantiation site. The networking code has increased its use of percpu_counters, which leads to false positives if they are treated as a single class. Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl> Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'lib/proportions.c')
-rw-r--r--lib/proportions.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/lib/proportions.c b/lib/proportions.c
index 4f387a6..7367f2b 100644
--- a/lib/proportions.c
+++ b/lib/proportions.c
@@ -83,11 +83,11 @@ int prop_descriptor_init(struct prop_descriptor *pd, int shift)
pd->index = 0;
pd->pg[0].shift = shift;
mutex_init(&pd->mutex);
- err = percpu_counter_init_irq(&pd->pg[0].events, 0);
+ err = percpu_counter_init(&pd->pg[0].events, 0);
if (err)
goto out;
- err = percpu_counter_init_irq(&pd->pg[1].events, 0);
+ err = percpu_counter_init(&pd->pg[1].events, 0);
if (err)
percpu_counter_destroy(&pd->pg[0].events);
@@ -191,7 +191,7 @@ int prop_local_init_percpu(struct prop_local_percpu *pl)
spin_lock_init(&pl->lock);
pl->shift = 0;
pl->period = 0;
- return percpu_counter_init_irq(&pl->events, 0);
+ return percpu_counter_init(&pl->events, 0);
}
void prop_local_destroy_percpu(struct prop_local_percpu *pl)
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