The series is Reviewed-by: Chunming Zhou <david1.z...@amd.com>
在 2019/3/8 22:31, Christian König 写道:
> It's a bug having a dead pointer in the IDR, silently returning
> is the worst we can do.
>
> Signed-off-by: Christian König <christian.koe...@amd.com>
> ---
> drivers/gpu/drm/amd/amdgpu/amdgpu_ctx.c | 10 ----------
> 1 file changed, 10 deletions(-)
>
> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ctx.c
> b/drivers/gpu/drm/amd/amdgpu/amdgpu_ctx.c
> index 736ed1d67ec2..b7289f709644 100644
> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ctx.c
> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ctx.c
> @@ -570,12 +570,6 @@ void amdgpu_ctx_mgr_entity_flush(struct amdgpu_ctx_mgr
> *mgr)
>
> mutex_lock(&mgr->lock);
> idr_for_each_entry(idp, ctx, id) {
> -
> - if (!ctx->adev) {
> - mutex_unlock(&mgr->lock);
> - return;
> - }
> -
> for (i = 0; i < num_entities; i++) {
> struct drm_sched_entity *entity;
>
> @@ -596,10 +590,6 @@ void amdgpu_ctx_mgr_entity_fini(struct amdgpu_ctx_mgr
> *mgr)
> idp = &mgr->ctx_handles;
>
> idr_for_each_entry(idp, ctx, id) {
> -
> - if (!ctx->adev)
> - return;
> -
> if (kref_read(&ctx->refcount) != 1) {
> DRM_ERROR("ctx %p is still alive\n", ctx);
> continue;
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