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authorIngo Molnar <mingo@kernel.org>2016-01-06 11:02:29 +0100
committerIngo Molnar <mingo@kernel.org>2016-01-06 11:02:29 +0100
commit567bee2803cb46caeb6011de5b738fde33dc3896 (patch)
tree05bab01377bffa356bfbe06c4b6193b23b7c24ca /include/linux/kref.h
parentaa0b7ae06387d40a988ce16a189082dee6e570bc (diff)
parent093e5840ae76f1082633503964d035f40ed0216d (diff)
Merge branch 'sched/urgent' into sched/core, to pick up fixes before merging new patches
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'include/linux/kref.h')
-rw-r--r--include/linux/kref.h33
1 files changed, 0 insertions, 33 deletions
diff --git a/include/linux/kref.h b/include/linux/kref.h
index 484604d184be..e15828fd71f1 100644
--- a/include/linux/kref.h
+++ b/include/linux/kref.h
@@ -19,7 +19,6 @@
#include <linux/atomic.h>
#include <linux/kernel.h>
#include <linux/mutex.h>
-#include <linux/spinlock.h>
struct kref {
atomic_t refcount;
@@ -99,38 +98,6 @@ static inline int kref_put(struct kref *kref, void (*release)(struct kref *kref)
return kref_sub(kref, 1, release);
}
-/**
- * kref_put_spinlock_irqsave - decrement refcount for object.
- * @kref: object.
- * @release: pointer to the function that will clean up the object when the
- * last reference to the object is released.
- * This pointer is required, and it is not acceptable to pass kfree
- * in as this function.
- * @lock: lock to take in release case
- *
- * Behaves identical to kref_put with one exception. If the reference count
- * drops to zero, the lock will be taken atomically wrt dropping the reference
- * count. The release function has to call spin_unlock() without _irqrestore.
- */
-static inline int kref_put_spinlock_irqsave(struct kref *kref,
- void (*release)(struct kref *kref),
- spinlock_t *lock)
-{
- unsigned long flags;
-
- WARN_ON(release == NULL);
- if (atomic_add_unless(&kref->refcount, -1, 1))
- return 0;
- spin_lock_irqsave(lock, flags);
- if (atomic_dec_and_test(&kref->refcount)) {
- release(kref);
- local_irq_restore(flags);
- return 1;
- }
- spin_unlock_irqrestore(lock, flags);
- return 0;
-}
-
static inline int kref_put_mutex(struct kref *kref,
void (*release)(struct kref *kref),
struct mutex *lock)