diff options
Diffstat (limited to 'shmexport.c')
| -rw-r--r-- | shmexport.c | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/shmexport.c b/shmexport.c index f78ba5ad..1baadd4e 100644 --- a/shmexport.c +++ b/shmexport.c @@ -71,8 +71,7 @@ void shm_update(struct gps_context_t *context, struct gps_data_t *gpsdata) ++tick; /* * Following block of instructions must not be reordered, otherwise - * havoc will ensue. asm volatile("sfence") is a GCCism intended - * to prevent reordering. + * havoc will ensue. * * This is a simple optimistic-concurrency technique. We write * the second bookend first, then the data, then the first bookend. |