summaryrefslogtreecommitdiffstats
path: root/arch/arm64
diff options
context:
space:
mode:
authorIngo Molnar <mingo@kernel.org>2014-06-12 13:46:25 +0200
committerIngo Molnar <mingo@kernel.org>2014-06-12 13:46:37 +0200
commit535560d841b2d54f31280e05e9c6ffd19da0c4e7 (patch)
tree5320502c072284813f3d3d42412bd73e26130863 /arch/arm64
parentf602d0632755be4f7eddfdd6c0af13216790177b (diff)
parent3cf2f34e1a3d4d5ff209d087925cf950e52f4805 (diff)
Merge commit '3cf2f34' into sched/core, to fix build error
Fix this dependency on the locking tree's smp_mb*() API changes: kernel/sched/idle.c:247:3: error: implicit declaration of function ‘smp_mb__after_atomic’ [-Werror=implicit-function-declaration] Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'arch/arm64')
-rw-r--r--arch/arm64/include/asm/atomic.h5
-rw-r--r--arch/arm64/include/asm/barrier.h3
-rw-r--r--arch/arm64/include/asm/bitops.h9
3 files changed, 3 insertions, 14 deletions
diff --git a/arch/arm64/include/asm/atomic.h b/arch/arm64/include/asm/atomic.h
index 0237f0867e3..57e8cb49824 100644
--- a/arch/arm64/include/asm/atomic.h
+++ b/arch/arm64/include/asm/atomic.h
@@ -152,11 +152,6 @@ static inline int __atomic_add_unless(atomic_t *v, int a, int u)
#define atomic_add_negative(i,v) (atomic_add_return(i, v) < 0)
-#define smp_mb__before_atomic_dec() smp_mb()
-#define smp_mb__after_atomic_dec() smp_mb()
-#define smp_mb__before_atomic_inc() smp_mb()
-#define smp_mb__after_atomic_inc() smp_mb()
-
/*
* 64-bit atomic operations.
*/
diff --git a/arch/arm64/include/asm/barrier.h b/arch/arm64/include/asm/barrier.h
index 66eb7648043..48b9e704af7 100644
--- a/arch/arm64/include/asm/barrier.h
+++ b/arch/arm64/include/asm/barrier.h
@@ -98,6 +98,9 @@ do { \
#define set_mb(var, value) do { var = value; smp_mb(); } while (0)
#define nop() asm volatile("nop");
+#define smp_mb__before_atomic() smp_mb()
+#define smp_mb__after_atomic() smp_mb()
+
#endif /* __ASSEMBLY__ */
#endif /* __ASM_BARRIER_H */
diff --git a/arch/arm64/include/asm/bitops.h b/arch/arm64/include/asm/bitops.h
index aa5b59d6ba4..9c19594ce7c 100644
--- a/arch/arm64/include/asm/bitops.h
+++ b/arch/arm64/include/asm/bitops.h
@@ -17,17 +17,8 @@
#define __ASM_BITOPS_H
#include <linux/compiler.h>
-
#include <asm/barrier.h>
-/*
- * clear_bit may not imply a memory barrier
- */
-#ifndef smp_mb__before_clear_bit
-#define smp_mb__before_clear_bit() smp_mb()
-#define smp_mb__after_clear_bit() smp_mb()
-#endif
-
#ifndef _LINUX_BITOPS_H
#error only <linux/bitops.h> can be included directly
#endif