linux/atomic.h at 464bc0fd6273d518aee79fbd37211dd9bc35d863 - linux - ClassFun

korg/linux

mirror of https://mirrors.bfsu.edu.cn/git/linux.git synced 2024-12-12 05:24:12 +08:00

Arnaldo Carvalho de Melo da6d856751 tools include: Add basic atomic.h implementation from the kernel sources

Uses the arch/x86/ kernel code for x86_64/i386, fallbacking to a gcc
intrinsics implementation that has been tested in at least sparc64.

Will be used for reference counting in tools/perf.

Acked-by: David Ahern <dsahern@gmail.com>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Borislav Petkov <bp@suse.de>
Cc: Don Zickus <dzickus@redhat.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lkml.kernel.org/n/tip-knfpjowhgyh6x4z0kfuk389j@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

2015-05-08 16:11:05 -03:00

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 #ifndef __TOOLS_LINUX_ASM_ATOMIC_H
 #define __TOOLS_LINUX_ASM_ATOMIC_H
 #if defined(__i386__) || defined(__x86_64__)
 #include "../../arch/x86/include/asm/atomic.h"
 #else
 #include <asm-generic/atomic-gcc.h>
 #endif
 #endif /* __TOOLS_LINUX_ASM_ATOMIC_H */