Re: [Intel-gfx] [PATCH v2] drm: Update file owner during use

2023-09-20 Thread Christian König
Am 20.09.23 um 15:21 schrieb Tvrtko Ursulin: On 28/08/2023 20:58, Rob Clark wrote: On Wed, Jun 21, 2023 at 2:48 AM Tvrtko Ursulin wrote: From: Tvrtko Ursulin With the typical model where the display server opens the file descriptor and then hands it over to the client(*), we were

Re: [Intel-gfx] [PATCH v2] drm: Update file owner during use

2023-09-20 Thread Tvrtko Ursulin
On 28/08/2023 20:58, Rob Clark wrote: On Wed, Jun 21, 2023 at 2:48 AM Tvrtko Ursulin wrote: From: Tvrtko Ursulin With the typical model where the display server opens the file descriptor and then hands it over to the client(*), we were showing stale data in debugfs. Fix it by updating

Re: [Intel-gfx] [PATCH v2] drm: Update file owner during use

2023-08-28 Thread Rob Clark
On Wed, Jun 21, 2023 at 2:48 AM Tvrtko Ursulin wrote: > > From: Tvrtko Ursulin > > With the typical model where the display server opens the file descriptor > and then hands it over to the client(*), we were showing stale data in > debugfs. > > Fix it by updating the drm_file->pid on ioctl

[Intel-gfx] [PATCH v2] drm: Update file owner during use

2023-06-21 Thread Tvrtko Ursulin
From: Tvrtko Ursulin With the typical model where the display server opens the file descriptor and then hands it over to the client(*), we were showing stale data in debugfs. Fix it by updating the drm_file->pid on ioctl access from a different process. The field is also made RCU protected to