diff options
| author | Andi Kleen <ak@linux.intel.com> | 2012-09-17 14:09:15 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2012-09-17 15:00:38 -0700 |
| commit | 9a858dc7cebce01a7bb616bebb85087fa2b40871 (patch) | |
| tree | 70e8b7fd41d6503e105cdd0b5b9ed3e6f7c464ee /include/trace | |
| parent | 579035dc5ddd6d48fd8529e7358b03d911ab9d8a (diff) | |
compiler.h: add __visible
gcc 4.6+ has support for a externally_visible attribute that prevents the
optimizer from optimizing unused symbols away. Add a __visible macro to
use it with that compiler version or later.
This is used (at least) by the "Link Time Optimization" patchset.
Signed-off-by: Andi Kleen <ak@linux.intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'include/trace')
0 files changed, 0 insertions, 0 deletions