On 2021-09-16 11:38:55 [+0200], Maarten Lankhorst wrote:
> Patches look good.
Thank you for looking.
> For both patches:
>
> Reviewed-by: Maarten Lankhorst
>
> I've been looking at running i915 with the -rt patch series, and
> noticed i915_request_submit fails with
Op 08-09-2021 om 20:57 schreef Sebastian Andrzej Siewior:
> execlists_dequeue() is invoked from a function which uses
> local_irq_disable() to disable interrupts so the spin_lock() behaves
> like spin_lock_irq().
> This breaks PREEMPT_RT because local_irq_disable() + spin_lock() is not
> the same
execlists_dequeue() is invoked from a function which uses
local_irq_disable() to disable interrupts so the spin_lock() behaves
like spin_lock_irq().
This breaks PREEMPT_RT because local_irq_disable() + spin_lock() is not
the same as spin_lock_irq().
execlists_dequeue_irq() and execlists_dequeue()