On 25/09/2017 18:56, Chris Wilson wrote:
Quoting Tvrtko Ursulin (2017-09-25 16:15:43)
From: Tvrtko Ursulin
This reduces the cost of the software engine busyness tracking
to a single no-op instruction when there are no listeners.
v2: Rebase and some comments.
v3: Rebase.
v4: Checkpatch fixes.
Quoting Tvrtko Ursulin (2017-09-25 16:15:43)
> From: Tvrtko Ursulin
>
> This reduces the cost of the software engine busyness tracking
> to a single no-op instruction when there are no listeners.
>
> v2: Rebase and some comments.
> v3: Rebase.
> v4: Checkpatch fixes.
> v5: Rebase.
> v6: Use syst
From: Tvrtko Ursulin
This reduces the cost of the software engine busyness tracking
to a single no-op instruction when there are no listeners.
v2: Rebase and some comments.
v3: Rebase.
v4: Checkpatch fixes.
v5: Rebase.
v6: Use system_long_wq to avoid being blocked by struct_mutex
users.
v7:
On Mon, 2017-09-18 at 12:38 +0100, Tvrtko Ursulin wrote:
> static inline void intel_engine_context_out(struct intel_engine_cs
> *engine)
> {
> unsigned long flags;
>
> - if (READ_ONCE(engine->stats.enabled) == 0)
> - return;
> -
> - spin_lock_irqsave(&engine->s
From: Tvrtko Ursulin
This reduces the cost of the software engine busyness tracking
to a single no-op instruction when there are no listeners.
v2: Rebase and some comments.
v3: Rebase.
v4: Checkpatch fixes.
v5: Rebase.
v6: Use system_long_wq to avoid being blocked by struct_mutex
users.
Sig
