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authorPeter Zijlstra <peterz@infradead.org>2014-08-04 12:07:15 +0200
committerIngo Molnar <mingo@kernel.org>2014-08-13 10:31:57 +0200
commit2e39465abc4b7856a0ea6fcf4f6b4668bb5db877 (patch)
treeeb68f939c67a8f86e48eaacaffd142aa05541c0a
parent98a96f202203fecad65b44449077c695686ad4db (diff)
locking: Remove deprecated smp_mb__() barriers
Its been a while and there are no in-tree users left, so remove the deprecated barriers. Signed-off-by: Peter Zijlstra <peterz@infradead.org> Cc: Chen, Gong <gong.chen@linux.intel.com> Cc: Jacob Pan <jacob.jun.pan@linux.intel.com> Cc: Joe Perches <joe@perches.com> Cc: John Sullivan <jsrhbz@kanargh.force9.co.uk> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Paul E. McKenney <paulmck@linux.vnet.ibm.com> Cc: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com> Cc: Theodore Ts'o <tytso@mit.edu> Signed-off-by: Ingo Molnar <mingo@kernel.org>
-rw-r--r--include/linux/atomic.h36
-rw-r--r--include/linux/bitops.h20
-rw-r--r--kernel/sched/core.c16
3 files changed, 0 insertions, 72 deletions
diff --git a/include/linux/atomic.h b/include/linux/atomic.h
index fef3a809e7c..5b08a8540ec 100644
--- a/include/linux/atomic.h
+++ b/include/linux/atomic.h
@@ -3,42 +3,6 @@
#define _LINUX_ATOMIC_H
#include <asm/atomic.h>
-/*
- * Provide __deprecated wrappers for the new interface, avoid flag day changes.
- * We need the ugly external functions to break header recursion hell.
- */
-#ifndef smp_mb__before_atomic_inc
-static inline void __deprecated smp_mb__before_atomic_inc(void)
-{
- extern void __smp_mb__before_atomic(void);
- __smp_mb__before_atomic();
-}
-#endif
-
-#ifndef smp_mb__after_atomic_inc
-static inline void __deprecated smp_mb__after_atomic_inc(void)
-{
- extern void __smp_mb__after_atomic(void);
- __smp_mb__after_atomic();
-}
-#endif
-
-#ifndef smp_mb__before_atomic_dec
-static inline void __deprecated smp_mb__before_atomic_dec(void)
-{
- extern void __smp_mb__before_atomic(void);
- __smp_mb__before_atomic();
-}
-#endif
-
-#ifndef smp_mb__after_atomic_dec
-static inline void __deprecated smp_mb__after_atomic_dec(void)
-{
- extern void __smp_mb__after_atomic(void);
- __smp_mb__after_atomic();
-}
-#endif
-
/**
* atomic_add_unless - add unless the number is already a given value
* @v: pointer of type atomic_t
diff --git a/include/linux/bitops.h b/include/linux/bitops.h
index cbc5833fb22..be5fd38bd5a 100644
--- a/include/linux/bitops.h
+++ b/include/linux/bitops.h
@@ -32,26 +32,6 @@ extern unsigned long __sw_hweight64(__u64 w);
*/
#include <asm/bitops.h>
-/*
- * Provide __deprecated wrappers for the new interface, avoid flag day changes.
- * We need the ugly external functions to break header recursion hell.
- */
-#ifndef smp_mb__before_clear_bit
-static inline void __deprecated smp_mb__before_clear_bit(void)
-{
- extern void __smp_mb__before_atomic(void);
- __smp_mb__before_atomic();
-}
-#endif
-
-#ifndef smp_mb__after_clear_bit
-static inline void __deprecated smp_mb__after_clear_bit(void)
-{
- extern void __smp_mb__after_atomic(void);
- __smp_mb__after_atomic();
-}
-#endif
-
#define for_each_set_bit(bit, addr, size) \
for ((bit) = find_first_bit((addr), (size)); \
(bit) < (size); \
diff --git a/kernel/sched/core.c b/kernel/sched/core.c
index 1211575a220..76c518c9b3a 100644
--- a/kernel/sched/core.c
+++ b/kernel/sched/core.c
@@ -90,22 +90,6 @@
#define CREATE_TRACE_POINTS
#include <trace/events/sched.h>
-#ifdef smp_mb__before_atomic
-void __smp_mb__before_atomic(void)
-{
- smp_mb__before_atomic();
-}
-EXPORT_SYMBOL(__smp_mb__before_atomic);
-#endif
-
-#ifdef smp_mb__after_atomic
-void __smp_mb__after_atomic(void)
-{
- smp_mb__after_atomic();
-}
-EXPORT_SYMBOL(__smp_mb__after_atomic);
-#endif
-
void start_bandwidth_timer(struct hrtimer *period_timer, ktime_t period)
{
unsigned long delta;