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| author |   Arnaldo Carvalho de Melo <acme@redhat.com> | 2018-05-17 15:12:36 -0300 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2018-05-17 15:17:21 -0300 |
| commit | 6e1690c4c0b540930f08295b6a95c8660b257745 (patch) | |
| tree | 087d0a90ca6494d7022e0b91f74e8bbba48b56f2 /tools/include/linux | |
| parent | tools lib api fs tracing_path: Make tracing_events_path private (diff) | |
| download | linux-dev-6e1690c4c0b540930f08295b6a95c8660b257745.tar.xz linux-dev-6e1690c4c0b540930f08295b6a95c8660b257745.zip | |
tools include compiler-gcc: Add __pure attribute helper
Adopt it from the kernel sources, will be used soon.
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Wang Nan <wangnan0@huawei.com>
Link: https://lkml.kernel.org/n/tip-oubheiqj8edo5rzewt11cbn0@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/include/linux')
| -rw-r--r-- | tools/include/linux/compiler-gcc.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/tools/include/linux/compiler-gcc.h b/tools/include/linux/compiler-gcc.h index a3a4427441bf..70fe61295733 100644 --- a/tools/include/linux/compiler-gcc.h +++ b/tools/include/linux/compiler-gcc.h @@ -21,6 +21,9 @@ /* &a[0] degrades to a pointer: a different type from an array */ #define __must_be_array(a) BUILD_BUG_ON_ZERO(__same_type((a), &(a)[0])) +#ifndef __pure +#define __pure __attribute__((pure)) +#endif #define noinline __attribute__((noinline)) #ifndef __packed #define __packed __attribute__((packed)) |