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-rw-r--r--include/asm-generic/atomic.h7
-rw-r--r--include/asm-generic/barrier.h8
-rw-r--r--include/asm-generic/bitops.h9
-rw-r--r--include/asm-generic/bitops/atomic.h2
-rw-r--r--include/asm-generic/bitops/lock.h2
-rw-r--r--include/asm-generic/dma-coherent.h13
-rw-r--r--include/asm-generic/resource.h2
7 files changed, 18 insertions, 25 deletions
diff --git a/include/asm-generic/atomic.h b/include/asm-generic/atomic.h
index 33bd2de..9c79e76 100644
--- a/include/asm-generic/atomic.h
+++ b/include/asm-generic/atomic.h
@@ -16,6 +16,7 @@
#define __ASM_GENERIC_ATOMIC_H
#include <asm/cmpxchg.h>
+#include <asm/barrier.h>
#ifdef CONFIG_SMP
/* Force people to define core atomics */
@@ -182,11 +183,5 @@ static inline void atomic_set_mask(unsigned int mask, atomic_t *v)
}
#endif
-/* Assume that atomic operations are already serializing */
-#define smp_mb__before_atomic_dec() barrier()
-#define smp_mb__after_atomic_dec() barrier()
-#define smp_mb__before_atomic_inc() barrier()
-#define smp_mb__after_atomic_inc() barrier()
-
#endif /* __KERNEL__ */
#endif /* __ASM_GENERIC_ATOMIC_H */
diff --git a/include/asm-generic/barrier.h b/include/asm-generic/barrier.h
index 6f692f8..1402fa8 100644
--- a/include/asm-generic/barrier.h
+++ b/include/asm-generic/barrier.h
@@ -62,6 +62,14 @@
#define set_mb(var, value) do { (var) = (value); mb(); } while (0)
#endif
+#ifndef smp_mb__before_atomic
+#define smp_mb__before_atomic() smp_mb()
+#endif
+
+#ifndef smp_mb__after_atomic
+#define smp_mb__after_atomic() smp_mb()
+#endif
+
#define smp_store_release(p, v) \
do { \
compiletime_assert_atomic_type(*p); \
diff --git a/include/asm-generic/bitops.h b/include/asm-generic/bitops.h
index 280ca7a..dcdcacf 100644
--- a/include/asm-generic/bitops.h
+++ b/include/asm-generic/bitops.h
@@ -11,14 +11,7 @@
#include <linux/irqflags.h>
#include <linux/compiler.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
+#include <asm/barrier.h>
#include <asm-generic/bitops/__ffs.h>
#include <asm-generic/bitops/ffz.h>
diff --git a/include/asm-generic/bitops/atomic.h b/include/asm-generic/bitops/atomic.h
index 9ae6c34..4967351 100644
--- a/include/asm-generic/bitops/atomic.h
+++ b/include/asm-generic/bitops/atomic.h
@@ -80,7 +80,7 @@ static inline void set_bit(int nr, volatile unsigned long *addr)
*
* clear_bit() is atomic and may not be reordered. However, it does
* not contain a memory barrier, so if it is used for locking purposes,
- * you should call smp_mb__before_clear_bit() and/or smp_mb__after_clear_bit()
+ * you should call smp_mb__before_atomic() and/or smp_mb__after_atomic()
* in order to ensure changes are visible on other processors.
*/
static inline void clear_bit(int nr, volatile unsigned long *addr)
diff --git a/include/asm-generic/bitops/lock.h b/include/asm-generic/bitops/lock.h
index 308a9e2..c30266e 100644
--- a/include/asm-generic/bitops/lock.h
+++ b/include/asm-generic/bitops/lock.h
@@ -20,7 +20,7 @@
*/
#define clear_bit_unlock(nr, addr) \
do { \
- smp_mb__before_clear_bit(); \
+ smp_mb__before_atomic(); \
clear_bit(nr, addr); \
} while (0)
diff --git a/include/asm-generic/dma-coherent.h b/include/asm-generic/dma-coherent.h
index 2be8a2d..0297e58 100644
--- a/include/asm-generic/dma-coherent.h
+++ b/include/asm-generic/dma-coherent.h
@@ -16,16 +16,13 @@ int dma_mmap_from_coherent(struct device *dev, struct vm_area_struct *vma,
* Standard interface
*/
#define ARCH_HAS_DMA_DECLARE_COHERENT_MEMORY
-extern int
-dma_declare_coherent_memory(struct device *dev, dma_addr_t bus_addr,
- dma_addr_t device_addr, size_t size, int flags);
+int dma_declare_coherent_memory(struct device *dev, phys_addr_t phys_addr,
+ dma_addr_t device_addr, size_t size, int flags);
-extern void
-dma_release_declared_memory(struct device *dev);
+void dma_release_declared_memory(struct device *dev);
-extern void *
-dma_mark_declared_memory_occupied(struct device *dev,
- dma_addr_t device_addr, size_t size);
+void *dma_mark_declared_memory_occupied(struct device *dev,
+ dma_addr_t device_addr, size_t size);
#else
#define dma_alloc_from_coherent(dev, size, handle, ret) (0)
#define dma_release_from_coherent(dev, order, vaddr) (0)
diff --git a/include/asm-generic/resource.h b/include/asm-generic/resource.h
index b4ea8f5..5e752b9 100644
--- a/include/asm-generic/resource.h
+++ b/include/asm-generic/resource.h
@@ -12,7 +12,7 @@
[RLIMIT_CPU] = { RLIM_INFINITY, RLIM_INFINITY }, \
[RLIMIT_FSIZE] = { RLIM_INFINITY, RLIM_INFINITY }, \
[RLIMIT_DATA] = { RLIM_INFINITY, RLIM_INFINITY }, \
- [RLIMIT_STACK] = { _STK_LIM, _STK_LIM_MAX }, \
+ [RLIMIT_STACK] = { _STK_LIM, RLIM_INFINITY }, \
[RLIMIT_CORE] = { 0, RLIM_INFINITY }, \
[RLIMIT_RSS] = { RLIM_INFINITY, RLIM_INFINITY }, \
[RLIMIT_NPROC] = { 0, 0 }, \
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