From 6760e3c33125bfca0b9b37e802a80452159863a9 Mon Sep 17 00:00:00 2001 From: Konsta Holtta Date: Fri, 7 Oct 2016 10:29:12 +0300 Subject: gpu: nvgpu: mark vidmem.cleared volatile The boolean flag mm_gk20a.vidmem.cleared is shared across threads, so mark it volatile to prevent compiler from wrongly optimizing accesses to it. Jira DNVGPU-84 Change-Id: I1fe66b26966685d3f74ed95ba53b198f810231b9 Signed-off-by: Konsta Holtta Reviewed-on: http://git-master/r/1233016 (cherry picked from commit dc6c9db56ea8a5f55f28f97fdfc3c1ac60d8b195) Reviewed-on: http://git-master/r/1235317 Reviewed-by: mobile promotions Tested-by: mobile promotions --- drivers/gpu/nvgpu/gk20a/mm_gk20a.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers/gpu') diff --git a/drivers/gpu/nvgpu/gk20a/mm_gk20a.h b/drivers/gpu/nvgpu/gk20a/mm_gk20a.h index fe10b046..75209063 100644 --- a/drivers/gpu/nvgpu/gk20a/mm_gk20a.h +++ b/drivers/gpu/nvgpu/gk20a/mm_gk20a.h @@ -417,7 +417,7 @@ struct mm_gk20a { struct gk20a_allocator bootstrap_allocator; u32 ce_ctx_id; - bool cleared; + volatile bool cleared; struct mutex first_clear_mutex; struct list_head clear_list_head; -- cgit v1.2.2