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authorMark Brown <broonie@opensource.wolfsonmicro.com>2010-05-31 14:07:15 +0400
committerMark Brown <broonie@opensource.wolfsonmicro.com>2010-05-31 14:07:15 +0400
commite37c83c06c2690157a989df40dc99a6b61c9ea15 (patch)
tree024dfb8b2c9abeec9ca7cb0c0136c276d9aacc91 /tools/perf/util/include/linux/bitops.h
parentce1f7d30766f6549db6fa0b9e595e0d26a5b7d9a (diff)
parent67a3e12b05e055c0415c556a315a3d3eb637e29e (diff)
downloadlinux-e37c83c06c2690157a989df40dc99a6b61c9ea15.tar.xz
Merge commit 'v2.6.35-rc1' into for-2.6.36
Diffstat (limited to 'tools/perf/util/include/linux/bitops.h')
-rw-r--r--tools/perf/util/include/linux/bitops.h20
1 files changed, 9 insertions, 11 deletions
diff --git a/tools/perf/util/include/linux/bitops.h b/tools/perf/util/include/linux/bitops.h
index 8d63116e9435..bb4ac2e05385 100644
--- a/tools/perf/util/include/linux/bitops.h
+++ b/tools/perf/util/include/linux/bitops.h
@@ -1,13 +1,12 @@
#ifndef _PERF_LINUX_BITOPS_H_
#define _PERF_LINUX_BITOPS_H_
-#define __KERNEL__
+#include <linux/kernel.h>
+#include <asm/hweight.h>
-#define CONFIG_GENERIC_FIND_NEXT_BIT
-#define CONFIG_GENERIC_FIND_FIRST_BIT
-#include "../../../../include/linux/bitops.h"
-
-#undef __KERNEL__
+#define BITS_PER_LONG __WORDSIZE
+#define BITS_PER_BYTE 8
+#define BITS_TO_LONGS(nr) DIV_ROUND_UP(nr, BITS_PER_BYTE * sizeof(long))
static inline void set_bit(int nr, unsigned long *addr)
{
@@ -20,10 +19,9 @@ static __always_inline int test_bit(unsigned int nr, const unsigned long *addr)
(((unsigned long *)addr)[nr / BITS_PER_LONG])) != 0;
}
-unsigned long generic_find_next_zero_le_bit(const unsigned long *addr, unsigned
- long size, unsigned long offset);
-
-unsigned long generic_find_next_le_bit(const unsigned long *addr, unsigned
- long size, unsigned long offset);
+static inline unsigned long hweight_long(unsigned long w)
+{
+ return sizeof(w) == 4 ? hweight32(w) : hweight64(w);
+}
#endif