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authorWaiman Long <longman@redhat.com>2017-01-09 16:26:52 +0100
committerIngo Molnar <mingo@kernel.org>2017-01-12 09:33:39 +0100
commit607904c357c61adf20b8fd18af765e501d61a385 (patch)
tree5910281e8003d67f084842c1b39965fcf4564602 /kernel/locking
parentMerge branch 'akpm' (patches from Andrew) (diff)
downloadlinux-607904c357c61adf20b8fd18af765e501d61a385.tar.xz
linux-607904c357c61adf20b8fd18af765e501d61a385.zip
locking/spinlocks: Remove the unused spin_lock_bh_nested() API
The spin_lock_bh_nested() API is defined but is not used anywhere in the kernel. So all spin_lock_bh_nested() and related APIs are now removed. Signed-off-by: Waiman Long <longman@redhat.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Thomas Gleixner <tglx@linutronix.de> Link: http://lkml.kernel.org/r/1483975612-16447-1-git-send-email-longman@redhat.com Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'kernel/locking')
-rw-r--r--kernel/locking/spinlock.c8
1 files changed, 0 insertions, 8 deletions
diff --git a/kernel/locking/spinlock.c b/kernel/locking/spinlock.c
index db3ccb1dd614..4b082b5cac9e 100644
--- a/kernel/locking/spinlock.c
+++ b/kernel/locking/spinlock.c
@@ -363,14 +363,6 @@ void __lockfunc _raw_spin_lock_nested(raw_spinlock_t *lock, int subclass)
}
EXPORT_SYMBOL(_raw_spin_lock_nested);
-void __lockfunc _raw_spin_lock_bh_nested(raw_spinlock_t *lock, int subclass)
-{
- __local_bh_disable_ip(_RET_IP_, SOFTIRQ_LOCK_OFFSET);
- spin_acquire(&lock->dep_map, subclass, 0, _RET_IP_);
- LOCK_CONTENDED(lock, do_raw_spin_trylock, do_raw_spin_lock);
-}
-EXPORT_SYMBOL(_raw_spin_lock_bh_nested);
-
unsigned long __lockfunc _raw_spin_lock_irqsave_nested(raw_spinlock_t *lock,
int subclass)
{