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authorGlenn Elliott <gelliott@cs.unc.edu>2012-03-04 19:47:13 -0500
committerGlenn Elliott <gelliott@cs.unc.edu>2012-03-04 19:47:13 -0500
commitc71c03bda1e86c9d5198c5d83f712e695c4f2a1e (patch)
treeecb166cb3e2b7e2adb3b5e292245fefd23381ac8 /tools/perf/util/include/linux/bitops.h
parentea53c912f8a86a8567697115b6a0d8152beee5c8 (diff)
parent6a00f206debf8a5c8899055726ad127dbeeed098 (diff)
Merge branch 'mpi-master' into wip-k-fmlpwip-k-fmlp
Conflicts: litmus/sched_cedf.c
Diffstat (limited to 'tools/perf/util/include/linux/bitops.h')
-rw-r--r--tools/perf/util/include/linux/bitops.h6
1 files changed, 6 insertions, 0 deletions
diff --git a/tools/perf/util/include/linux/bitops.h b/tools/perf/util/include/linux/bitops.h
index bb4ac2e05385..305c8484f200 100644
--- a/tools/perf/util/include/linux/bitops.h
+++ b/tools/perf/util/include/linux/bitops.h
@@ -2,6 +2,7 @@
2#define _PERF_LINUX_BITOPS_H_ 2#define _PERF_LINUX_BITOPS_H_
3 3
4#include <linux/kernel.h> 4#include <linux/kernel.h>
5#include <linux/compiler.h>
5#include <asm/hweight.h> 6#include <asm/hweight.h>
6 7
7#define BITS_PER_LONG __WORDSIZE 8#define BITS_PER_LONG __WORDSIZE
@@ -13,6 +14,11 @@ static inline void set_bit(int nr, unsigned long *addr)
13 addr[nr / BITS_PER_LONG] |= 1UL << (nr % BITS_PER_LONG); 14 addr[nr / BITS_PER_LONG] |= 1UL << (nr % BITS_PER_LONG);
14} 15}
15 16
17static inline void clear_bit(int nr, unsigned long *addr)
18{
19 addr[nr / BITS_PER_LONG] &= ~(1UL << (nr % BITS_PER_LONG));
20}
21
16static __always_inline int test_bit(unsigned int nr, const unsigned long *addr) 22static __always_inline int test_bit(unsigned int nr, const unsigned long *addr)
17{ 23{
18 return ((1UL << (nr % BITS_PER_LONG)) & 24 return ((1UL << (nr % BITS_PER_LONG)) &