Re: [PATCH 1/4] dmaengine: idxd: assign all engines to group 0 in IAA defaults
From: Vinicius Costa Gomes
Date: Tue Jul 14 2026 - 21:38:57 EST
Dave Jiang <dave.jiang@xxxxxxxxx> writes:
> On 7/14/26 2:53 PM, Dave Jiang wrote:
>>
>>
>> On 7/13/26 9:10 PM, Vinicius Costa Gomes wrote:
>>> From: Giovanni Cabiddu <giovanni.cabiddu@xxxxxxxxx>
>>>
>>> The IAA device defaults only assigned engine 0 to group 0, leaving
>>> engines 1 through max_engines-1 unassigned (group_id = -1). This means
>>> that by default only a single engine processed descriptors, limiting
>>> throughput to one engine's capacity.
>>>
>>> Assign all available engines to group 0 so that the full hardware
>>> parallelism is used out of the box without requiring manual
>>> accel-config setup.
>>>
>>> Signed-off-by: Giovanni Cabiddu <giovanni.cabiddu@xxxxxxxxx>
>>
>
> Just noticed it's missing Vinicius sign off.
>
Ugh, forgot those, will add for v2. Thank you.
Cheers,
--
Vinicius