[PATCH 1/2] config/arm: Do not require processor information

[Akihiko Odaki]

On 2023/05/04 18:43, Ruifeng Wang wrote:
>> -----Original Message-----
>> From: Akihiko Odaki <akihiko.odaki at daynix.com>
>> Sent: Thursday, May 4, 2023 3:47 PM
>> To: Ruifeng Wang <Ruifeng.Wang at arm.com>; Bruce Richardson <bruce.richardson at intel.com>;
>> Juraj Linkeš <juraj.linkes at pantheon.tech>
>> Cc: dev at dpdk.org; nd <nd at arm.com>
>> Subject: Re: [PATCH 1/2] config/arm: Do not require processor information
>>
>> On 2023/04/20 16:12, Akihiko Odaki wrote:
>>> On 2023/04/20 16:10, Ruifeng Wang wrote:
>>>>> -----Original Message-----
>>>>> From: Akihiko Odaki <akihiko.odaki at daynix.com>
>>>>> Sent: Thursday, April 20, 2023 9:40 AM
>>>>> To: Ruifeng Wang <Ruifeng.Wang at arm.com>; Bruce Richardson
>>>>> <bruce.richardson at intel.com>; Juraj Linkeš
>>>>> <juraj.linkes at pantheon.tech>
>>>>> Cc: dev at dpdk.org; nd <nd at arm.com>
>>>>> Subject: Re: [PATCH 1/2] config/arm: Do not require processor
>>>>> information
>>>>>
>>>>> On 2023/04/17 16:41, Ruifeng Wang wrote:
>>>>>>> -----Original Message-----
>>>>>>> From: Akihiko Odaki <akihiko.odaki at daynix.com>
>>>>>>> Sent: Friday, April 14, 2023 8:42 PM
>>>>>>> To: Ruifeng Wang <Ruifeng.Wang at arm.com>; Bruce Richardson
>>>>>>> <bruce.richardson at intel.com>
>>>>>>> Cc: dev at dpdk.org; Akihiko Odaki <akihiko.odaki at daynix.com>
>>>>>>> Subject: [PATCH 1/2] config/arm: Do not require processor
>>>>>>> information
>>>>>>>
>>>>>>> DPDK can be built even without exact processor information for x86
>>>>>>> and ppc so allow to build for Arm even if we don't know the
>>>>>>> targeted processor is
>>>>> unknown.
>>>>>>
>>>>>> Hi Akihiko,
>>>>>>
>>>>>> The design idea was to require an explicit generic build.
>>>>>> Default/native build doesn't fall back to generic build when SoC
>>>>>> info is not on the list.
>>>>>> So the user has less chance to generate a suboptimal binary by
>>>>>> accident.
>>>>>
>>>>> Hi,
>>>>>
>>>>> It is true that the suboptimal binary can result, but the rationale
>>>>> here is that we tolerate that for x86 and ppc so it should not
>>>>> really matter for Arm too. On x86 and ppc you don't need to modify
>>>>> meson.build just to run dts on a development machine.
>>>>
>>>> What modification do you need for a development machine?
>>>> I suppose "meson setup build -Dplatform=generic" will generate a
>>>> binary that can run on your development machine.
>>>
>>> I didn't describe the situation well. I use DPDK Test Suite for
>>> testing and it determines what flags to be passed to Meson. You need
>>> to modify DPDK's meson.build or DTS to get it built.
>>>
>>>>
>>>>>
>>>>> Regards,
>>>>> Akihiko Odaki
>>
>> Hi,
>>
>> Can you have a look at this again?
> 
> Thanks for the clarification of your use case.
> Changes to DTS are in planning. It will allow the user to choose
> the type of the build.
> Your use case will be fulfilled then.

Such a feature indeed satisfies my requirement. Thanks in advance,
Akihiko Odaki