leandrof/linux
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

include/linux/compiler-gcc.h: improve __visible documentation

Browse Source 
Cc: Andi Kleen <andi@firstfloor.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Andrew Morton 2015-11-06 16:30:09 -08:00 committed by Linus Torvalds
parent 54708d2858
commit 9add850c21
1 changed files with 4 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
include/linux/compiler-gcc.h
View File

@ -205,7 +205,10 @@
#if GCC_VERSION >= 40600 #if GCC_VERSION >= 40600
/* /*
* Tell the optimizer that something else uses this function or variable. * When used with Link Time Optimization, gcc can optimize away C functions or
* variables which are referenced only from assembly code. __visible tells the
* optimizer that something else uses this function or variable, thus preventing
* this.
*/ */
#define __visible __attribute__((externally_visible)) #define __visible __attribute__((externally_visible))
#endif #endif