mirror of https://gitee.com/openkylin/linux.git
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.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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@ -0,0 +1,22 @@
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#ifndef _TOOLS_LINUX_ASM_GENERIC_BITOPS_ATOMIC_H_
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#define _TOOLS_LINUX_ASM_GENERIC_BITOPS_ATOMIC_H_
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#include <asm/types.h>
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static inline void set_bit(int nr, unsigned long *addr)
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{
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addr[nr / __BITS_PER_LONG] |= 1UL << (nr % __BITS_PER_LONG);
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}
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static inline void clear_bit(int nr, unsigned long *addr)
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{
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addr[nr / __BITS_PER_LONG] &= ~(1UL << (nr % __BITS_PER_LONG));
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}
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static __always_inline int test_bit(unsigned int nr, const unsigned long *addr)
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{
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return ((1UL << (nr % __BITS_PER_LONG)) &
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(((unsigned long *)addr)[nr / __BITS_PER_LONG])) != 0;
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}
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#endif /* _TOOLS_LINUX_ASM_GENERIC_BITOPS_ATOMIC_H_ */
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@ -5,6 +5,7 @@ tools/lib/api
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tools/lib/symbol/kallsyms.c
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tools/lib/symbol/kallsyms.h
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tools/include/asm/bug.h
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tools/include/asm-generic/bitops/atomic.h
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tools/include/asm-generic/bitops/__ffs.h
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tools/include/linux/compiler.h
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tools/include/linux/export.h
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@ -232,6 +232,7 @@ LIB_H += ../include/linux/hash.h
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LIB_H += ../../include/linux/stringify.h
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LIB_H += util/include/linux/bitmap.h
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LIB_H += util/include/linux/bitops.h
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LIB_H += ../include/asm-generic/bitops/atomic.h
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LIB_H += ../include/asm-generic/bitops/__ffs.h
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LIB_H += ../include/linux/compiler.h
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LIB_H += ../include/linux/log2.h
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@ -29,21 +29,7 @@
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(bit) < (size); \
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(bit) = find_next_bit((addr), (size), (bit) + 1))
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static inline void set_bit(int nr, unsigned long *addr)
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{
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addr[nr / BITS_PER_LONG] |= 1UL << (nr % BITS_PER_LONG);
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}
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static inline void clear_bit(int nr, unsigned long *addr)
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{
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addr[nr / BITS_PER_LONG] &= ~(1UL << (nr % BITS_PER_LONG));
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}
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static __always_inline int test_bit(unsigned int nr, const unsigned long *addr)
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{
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return ((1UL << (nr % BITS_PER_LONG)) &
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(((unsigned long *)addr)[nr / BITS_PER_LONG])) != 0;
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}
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#include <asm-generic/bitops/atomic.h>
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static inline unsigned long hweight_long(unsigned long w)
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{
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