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Diffstat (limited to 'arch/ia64/include/asm/bitops.h')
-rw-r--r--arch/ia64/include/asm/bitops.h23
1 files changed, 5 insertions, 18 deletions
diff --git a/arch/ia64/include/asm/bitops.h b/arch/ia64/include/asm/bitops.h
index 9da3df6f1a5..71e8145243e 100644
--- a/arch/ia64/include/asm/bitops.h
+++ b/arch/ia64/include/asm/bitops.h
@@ -16,6 +16,7 @@
#include <linux/compiler.h>
#include <linux/types.h>
#include <asm/intrinsics.h>
+#include <asm/barrier.h>
/**
* set_bit - Atomically set a bit in memory
@@ -65,12 +66,6 @@ __set_bit (int nr, volatile void *addr)
*((__u32 *) addr + (nr >> 5)) |= (1 << (nr & 31));
}
-/*
- * clear_bit() has "acquire" semantics.
- */
-#define smp_mb__before_clear_bit() smp_mb()
-#define smp_mb__after_clear_bit() do { /* skip */; } while (0)
-
/**
* clear_bit - Clears a bit in memory
* @nr: Bit to clear
@@ -78,7 +73,7 @@ __set_bit (int nr, volatile void *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
@@ -425,13 +420,7 @@ __fls (unsigned long x)
#include <asm-generic/bitops/fls64.h>
-/*
- * ffs: find first bit set. This is defined the same way as the libc and
- * compiler builtin ffs routines, therefore differs in spirit from the above
- * ffz (man ffs): it operates on "int" values only and the result value is the
- * bit number + 1. ffs(0) is defined to return zero.
- */
-#define ffs(x) __builtin_ffs(x)
+#include <asm-generic/bitops/builtin-ffs.h>
/*
* hweightN: returns the hamming weight (i.e. the number
@@ -456,12 +445,10 @@ static __inline__ unsigned long __arch_hweight64(unsigned long x)
#ifdef __KERNEL__
-#include <asm-generic/bitops/ext2-non-atomic.h>
+#include <asm-generic/bitops/le.h>
-#define ext2_set_bit_atomic(l,n,a) test_and_set_bit(n,a)
-#define ext2_clear_bit_atomic(l,n,a) test_and_clear_bit(n,a)
+#include <asm-generic/bitops/ext2-atomic-setbit.h>
-#include <asm-generic/bitops/minix.h>
#include <asm-generic/bitops/sched.h>
#endif /* __KERNEL__ */