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authorLinus Walleij <linus.walleij@linaro.org>2015-12-17 14:57:46 +0100
committerLinus Walleij <linus.walleij@linaro.org>2015-12-17 14:57:46 +0100
commit4dccc93f1e7f4e2fd92a48c40a7ac9211a029352 (patch)
tree717a183f0dba200a882126cf095f38e319302c51 /include/linux/kref.h
parentd4eed63bb8a3749a6cf19bbc98c943fafb4a826d (diff)
parent9f9499ae8e6415cefc4fe0a96ad0e27864353c89 (diff)
Merge tag 'v4.4-rc5' into devel
Linux 4.4-rc5
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)