Hey
On Wed, Aug 3, 2016 at 9:01 PM, Chris Wilson
wrote:
> On Wed, Aug 03, 2016 at 08:04:26PM +0200, David Herrmann wrote:
>> @@ -98,13 +99,14 @@ int drm_clients_info(struct seq_file *m, void *data)
>>
>> rcu_read_lock(); /* locks pid_task()->comm */
>> task = pid_task
Each DRM file-context caches the EUID of the process that opened the file.
It is used exclusively for debugging purposes in /proc/dri/ and friends.
Note, however, that "struct file" already caches the credentials of a
process at open-time. So lets just use drm_file->filp->f_cred->euid if
available
On Wed, Aug 03, 2016 at 08:04:26PM +0200, David Herrmann wrote:
> @@ -98,13 +99,14 @@ int drm_clients_info(struct seq_file *m, void *data)
>
> rcu_read_lock(); /* locks pid_task()->comm */
> task = pid_task(priv->pid, PIDTYPE_PID);
> + uid = priv->filp ? pr
On Wed, Aug 03, 2016 at 08:04:26PM +0200, David Herrmann wrote:
> diff --git a/drivers/gpu/drm/drm_fops.c b/drivers/gpu/drm/drm_fops.c
> index 323c238..e9d66f5 100644
> --- a/drivers/gpu/drm/drm_fops.c
> +++ b/drivers/gpu/drm/drm_fops.c
> @@ -199,7 +199,6 @@ static int drm_open_helper(struct file *
