Re: [PATCH v2 17/23] PM / QoS: Fix constraints alloc vs reclaim locking

2023-03-27 Thread Rob Clark
On Mon, Mar 27, 2023 at 10:53 AM Rafael J. Wysocki wrote: > > On Mon, Mar 20, 2023 at 3:45 PM Rob Clark wrote: > > > > From: Rob Clark > > > > In the process of adding lockdep annotation for drm GPU scheduler's > > job_run() to detect potential deadlock against shrinker/reclaim, I hit > > this

Re: [PATCH v2 17/23] PM / QoS: Fix constraints alloc vs reclaim locking

2023-03-27 Thread Rafael J. Wysocki
On Mon, Mar 20, 2023 at 3:45 PM Rob Clark wrote: > > From: Rob Clark > > In the process of adding lockdep annotation for drm GPU scheduler's > job_run() to detect potential deadlock against shrinker/reclaim, I hit > this lockdep splat: > >

[PATCH v2 17/23] PM / QoS: Fix constraints alloc vs reclaim locking

2023-03-20 Thread Rob Clark
From: Rob Clark In the process of adding lockdep annotation for drm GPU scheduler's job_run() to detect potential deadlock against shrinker/reclaim, I hit this lockdep splat: == WARNING: possible circular locking dependency detected