Reviewed-by: Roger He <Hongbo.He@xxxxxxx> -----Original Message----- From: amd-gfx [mailto:amd-gfx-bounces@xxxxxxxxxxxxxxxxxxxxx] On Behalf Of Christian K?nig Sent: Tuesday, February 20, 2018 8:58 PM To: amd-gfx@xxxxxxxxxxxxxxxxxxxxx; dri-devel@xxxxxxxxxxxxxxxxxxxxx; linux-kernel@xxxxxxxxxxxxxxx Subject: [PATCH 2/4] drm/amdgpu: use new ww_mutex_is_owned_by function Instead of accessing ww_mutex internals directly use the provided function to check if the ww_mutex was indeed locked by the current command submission. Signed-off-by: Christian König <christian.koenig@xxxxxxx> --- drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c index eaa3cb0c3ad1..6db26a3144dc 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c @@ -1594,7 +1594,7 @@ int amdgpu_cs_find_mapping(struct amdgpu_cs_parser *parser, *map = mapping; /* Double check that the BO is reserved by this CS */ - if (READ_ONCE((*bo)->tbo.resv->lock.ctx) != &parser->ticket) + if (!ww_mutex_is_owned_by(&(*bo)->tbo.resv->lock, &parser->ticket)) return -EINVAL; if (!((*bo)->flags & AMDGPU_GEM_CREATE_VRAM_CONTIGUOUS)) { -- 2.14.1 _______________________________________________ amd-gfx mailing list amd-gfx@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/amd-gfx _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/dri-devel