diff options
| -rw-r--r-- | drivers/gpu/drm/drm_cache.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/drivers/gpu/drm/drm_cache.c b/drivers/gpu/drm/drm_cache.c index 12f8d1ba8653..03e01b000f7a 100644 --- a/drivers/gpu/drm/drm_cache.c +++ b/drivers/gpu/drm/drm_cache.c @@ -126,10 +126,10 @@ drm_clflush_sg(struct sg_table *st) if (static_cpu_has(X86_FEATURE_CLFLUSH)) { struct sg_page_iter sg_iter; - mb(); + mb(); /*CLFLUSH is ordered only by using memory barriers*/ for_each_sg_page(st->sgl, &sg_iter, st->nents, 0) drm_clflush_page(sg_page_iter_page(&sg_iter)); - mb(); + mb(); /*Make sure that all cache line entry is flushed*/ return; } @@ -160,11 +160,11 @@ drm_clflush_virt_range(void *addr, unsigned long length) void *end = addr + length; addr = (void *)(((unsigned long)addr) & -size); - mb(); + mb(); /*CLFLUSH is only ordered with a full memory barrier*/ for (; addr < end; addr += size) clflushopt(addr); clflushopt(end - 1); /* force serialisation */ - mb(); + mb(); /*Ensure that evry data cache line entry is flushed*/ return; } |