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authorLinus Torvalds <torvalds@linux-foundation.org>2009-01-06 17:10:04 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2009-01-06 17:10:04 -0800
commitf94181da7192f4ed8ccb1b633ea4ce56954df130 (patch)
tree2e28785f2df447573a11fbdd611dc19eb3fcb794 /lib/percpu_counter.c
parent932adbed6d99cc373fc3433d701b3a594fea872c (diff)
parentfdbc0450df12cc9cb397f3497db4b0cad7c1a8ff (diff)
downloadlinux-linaro-stable-f94181da7192f4ed8ccb1b633ea4ce56954df130.tar.gz
Merge branch 'core-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'core-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: rcu: fix rcutorture bug rcu: eliminate synchronize_rcu_xxx macro rcu: make treercu safe for suspend and resume rcu: fix rcutree grace-period-latency bug on small systems futex: catch certain assymetric (get|put)_futex_key calls futex: make futex_(get|put)_key() calls symmetric locking, percpu counters: introduce separate lock classes swiotlb: clean up EXPORT_SYMBOL usage swiotlb: remove unnecessary declaration swiotlb: replace architecture-specific swiotlb.h with linux/swiotlb.h swiotlb: add support for systems with highmem swiotlb: store phys address in io_tlb_orig_addr array swiotlb: add hwdev to swiotlb_phys_to_bus() / swiotlb_sg_to_bus()
Diffstat (limited to 'lib/percpu_counter.c')
-rw-r--r--lib/percpu_counter.c18
1 files changed, 4 insertions, 14 deletions
diff --git a/lib/percpu_counter.c b/lib/percpu_counter.c
index a60bd8046095..aeaa6d734447 100644
--- a/lib/percpu_counter.c
+++ b/lib/percpu_counter.c
@@ -66,11 +66,11 @@ s64 __percpu_counter_sum(struct percpu_counter *fbc)
}
EXPORT_SYMBOL(__percpu_counter_sum);
-static struct lock_class_key percpu_counter_irqsafe;
-
-int percpu_counter_init(struct percpu_counter *fbc, s64 amount)
+int __percpu_counter_init(struct percpu_counter *fbc, s64 amount,
+ struct lock_class_key *key)
{
spin_lock_init(&fbc->lock);
+ lockdep_set_class(&fbc->lock, key);
fbc->count = amount;
fbc->counters = alloc_percpu(s32);
if (!fbc->counters)
@@ -82,17 +82,7 @@ int percpu_counter_init(struct percpu_counter *fbc, s64 amount)
#endif
return 0;
}
-EXPORT_SYMBOL(percpu_counter_init);
-
-int percpu_counter_init_irq(struct percpu_counter *fbc, s64 amount)
-{
- int err;
-
- err = percpu_counter_init(fbc, amount);
- if (!err)
- lockdep_set_class(&fbc->lock, &percpu_counter_irqsafe);
- return err;
-}
+EXPORT_SYMBOL(__percpu_counter_init);
void percpu_counter_destroy(struct percpu_counter *fbc)
{