On 2024-09-06, John Ogness <john.ogn...@linutronix.de> wrote: > Your device_lock()/device_unlock() callbacks probably just need to > lock/unlock your mutex @drm_log_lock.
Sorry, forgot to mention that the device_lock() callback must also disable migration. Since you are using a mutex, you will need to manually do that as well... mutex_lock(&drm_log_lock); migrate_disable(); John
