varun-r-mallya/sysprof
1
0
Fork 0
mirror of https://github.com/varun-r-mallya/sysprof.git synced 2026-02-11 07:30:54 +00:00
Code Issues Packages Projects Releases Wiki Activity

util: add full memory barrier fallback

Browse Source
This commit is contained in:
Christian Hergert
2016-08-23 10:08:37 -07:00
parent 65851f529c
commit 1c1ef02b3d
1 changed files with 8 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

8
lib/util/util.h
View File

@ -33,4 +33,12 @@
#define read_barrier() asm volatile("dsb" ::: "memory") #define read_barrier() asm volatile("dsb" ::: "memory")
#endif #endif
/*
* Fallback to a full memory barrier if the architecture is not yet
* supported with a lighter read barrier.
*/
#ifndef read_barrier
#define read_barrier() __sync_synchronize()
#endif
#endif /* SP_UTIL_H */ #endif /* SP_UTIL_H */