Commit-ID: 6e1690c4c0b540930f08295b6a95c8660b257745 Gitweb: https://git.kernel.org/tip/6e1690c4c0b540930f08295b6a95c8660b257745 Author: Arnaldo Carvalho de Melo <a...@redhat.com> AuthorDate: Thu, 17 May 2018 15:12:36 -0300 Committer: Arnaldo Carvalho de Melo <a...@redhat.com> CommitDate: Thu, 17 May 2018 15:17:21 -0300
tools include compiler-gcc: Add __pure attribute helper Adopt it from the kernel sources, will be used soon. Cc: Adrian Hunter <adrian.hun...@intel.com> Cc: David Ahern <dsah...@gmail.com> Cc: Jiri Olsa <jo...@kernel.org> Cc: Namhyung Kim <namhy...@kernel.org> Cc: Wang Nan <wangn...@huawei.com> Link: https://lkml.kernel.org/n/tip-oubheiqj8edo5rzewt11c...@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <a...@redhat.com> --- tools/include/linux/compiler-gcc.h | 3 +++ 1 file changed, 3 insertions(+) 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))
