4.18-stable review patch. If anyone has any objections, please let me know.
------------------ From: Christian König <[email protected]> commit c4aed87630d41ee54e2ee23d4583c3dd423296dd upstream. That's the PID of the creator of the file (usually the X server) and not the end user of the file. Signed-off-by: Christian König <[email protected]> Acked-by: Alex Deucher <[email protected]> Signed-off-by: Alex Deucher <[email protected]> CC: [email protected] Signed-off-by: Greg Kroah-Hartman <[email protected]> --- drivers/gpu/drm/amd/amdgpu/amdgpu_sched.c | 19 ++++--------------- 1 file changed, 4 insertions(+), 15 deletions(-) --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_sched.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_sched.c @@ -55,7 +55,6 @@ static int amdgpu_sched_process_priority { struct file *filp = fget(fd); struct drm_file *file; - struct pid *pid; struct amdgpu_fpriv *fpriv; struct amdgpu_ctx *ctx; uint32_t id; @@ -63,20 +62,10 @@ static int amdgpu_sched_process_priority if (!filp) return -EINVAL; - pid = get_pid(((struct drm_file *)filp->private_data)->pid); - - mutex_lock(&adev->ddev->filelist_mutex); - list_for_each_entry(file, &adev->ddev->filelist, lhead) { - if (file->pid != pid) - continue; - - fpriv = file->driver_priv; - idr_for_each_entry(&fpriv->ctx_mgr.ctx_handles, ctx, id) - amdgpu_ctx_priority_override(ctx, priority); - } - mutex_unlock(&adev->ddev->filelist_mutex); - - put_pid(pid); + file = filp->private_data; + fpriv = file->driver_priv; + idr_for_each_entry(&fpriv->ctx_mgr.ctx_handles, ctx, id) + amdgpu_ctx_priority_override(ctx, priority); fput(filp);
