提交 cae68d4f 编写于 作者: A Arnaldo Carvalho de Melo

tools: Move code originally from asm-generic/atomic.h into tools/include/asm-generic/

To match the Linux kernel source code structure from where this code came from.

Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Borislav Petkov <bp@suse.de>
Cc: David Ahern <dsahern@gmail.com>
Cc: Don Zickus <dzickus@redhat.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lkml.kernel.org/n/tip-1ldjhvioch1uczilno5e1epl@git.kernel.orgSigned-off-by: NArnaldo Carvalho de Melo <acme@redhat.com>
上级 0389cd1f
#ifndef _TOOLS_LINUX_ASM_GENERIC_BITOPS_ATOMIC_H_
#define _TOOLS_LINUX_ASM_GENERIC_BITOPS_ATOMIC_H_
#include <asm/types.h>
static inline void set_bit(int nr, unsigned long *addr)
{
addr[nr / __BITS_PER_LONG] |= 1UL << (nr % __BITS_PER_LONG);
}
static inline void clear_bit(int nr, unsigned long *addr)
{
addr[nr / __BITS_PER_LONG] &= ~(1UL << (nr % __BITS_PER_LONG));
}
static __always_inline int test_bit(unsigned int nr, const unsigned long *addr)
{
return ((1UL << (nr % __BITS_PER_LONG)) &
(((unsigned long *)addr)[nr / __BITS_PER_LONG])) != 0;
}
#endif /* _TOOLS_LINUX_ASM_GENERIC_BITOPS_ATOMIC_H_ */
......@@ -5,6 +5,7 @@ tools/lib/api
tools/lib/symbol/kallsyms.c
tools/lib/symbol/kallsyms.h
tools/include/asm/bug.h
tools/include/asm-generic/bitops/atomic.h
tools/include/asm-generic/bitops/__ffs.h
tools/include/linux/compiler.h
tools/include/linux/export.h
......
......@@ -232,6 +232,7 @@ LIB_H += ../include/linux/hash.h
LIB_H += ../../include/linux/stringify.h
LIB_H += util/include/linux/bitmap.h
LIB_H += util/include/linux/bitops.h
LIB_H += ../include/asm-generic/bitops/atomic.h
LIB_H += ../include/asm-generic/bitops/__ffs.h
LIB_H += ../include/linux/compiler.h
LIB_H += ../include/linux/log2.h
......
......@@ -29,21 +29,7 @@
(bit) < (size); \
(bit) = find_next_bit((addr), (size), (bit) + 1))
static inline void set_bit(int nr, unsigned long *addr)
{
addr[nr / BITS_PER_LONG] |= 1UL << (nr % BITS_PER_LONG);
}
static inline void clear_bit(int nr, unsigned long *addr)
{
addr[nr / BITS_PER_LONG] &= ~(1UL << (nr % BITS_PER_LONG));
}
static __always_inline int test_bit(unsigned int nr, const unsigned long *addr)
{
return ((1UL << (nr % BITS_PER_LONG)) &
(((unsigned long *)addr)[nr / BITS_PER_LONG])) != 0;
}
#include <asm-generic/bitops/atomic.h>
static inline unsigned long hweight_long(unsigned long w)
{
......
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