X-Git-Url: https://gerrit.opnfv.org/gerrit/gitweb?a=blobdiff_plain;f=kernel%2Fdrivers%2Fgpu%2Fdrm%2Fdrm_cache.c;fp=kernel%2Fdrivers%2Fgpu%2Fdrm%2Fdrm_cache.c;h=7f4a6c55031938c93b00bec6a954050cff9f347d;hb=52f993b8e89487ec9ee15a7fb4979e0f09a45b27;hp=6743ff7dccfa30b2997d2529d97747d5261d5ad9;hpb=c189ccac5702322ed843fe17057035b7222a59b6;p=kvmfornfv.git

diff --git a/kernel/drivers/gpu/drm/drm_cache.c b/kernel/drivers/gpu/drm/drm_cache.c
index 6743ff7dc..7f4a6c550 100644
--- a/kernel/drivers/gpu/drm/drm_cache.c
+++ b/kernel/drivers/gpu/drm/drm_cache.c
@@ -136,6 +136,7 @@ drm_clflush_virt_range(void *addr, unsigned long length)
 		mb();
 		for (; addr < end; addr += size)
 			clflushopt(addr);
+		clflushopt(end - 1); /* force serialisation */
 		mb();
 		return;
 	}