linux-kernel - Re: [PATCH v15 4/6] arm64: Add config for AMD Pensando SoC platforms

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Message-ID: <20230816012221.59796-1-blarson@amd.com>
Date:   Tue, 15 Aug 2023 18:22:21 -0700
From:   Brad Larson <blarson@....com>
To:     <j.neuschaefer@....net>
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Subject: Re: [PATCH v15 4/6] arm64: Add config for AMD Pensando SoC platforms

Hi Jonathan,

On Mon, Aug 14, 2023 at 10:40:17 +0200, Jonathan NeuschÃ¤fer wrote:
> On Fri, Aug 11, 2023 at 11:05:17AM -0700, Brad Larson wrote:
>> Add ARCH_PENSANDO configuration option for AMD Pensando SoC
>> based platforms.
>> 
>> Signed-off-by: Brad Larson <blarson@....com>
>> ---
> [...]
>> +config ARCH_PENSANDO
>> +	bool "AMD Pensando Platforms"
>> +	help
>> +	  This enables support for the ARMv8 based AMD Pensando SoC
>> +	  family to include the Elba SoC.
>> +
>> +	  AMD Pensando SoCs support a range of Distributed Services
>> +	  Cards in PCIe format installed into servers.  The Elba
>> +	  SoC includes 16 A-72 CPU cores, 144 programmable P4
>> +	  cores for a minimal latency/jitter datapath, and network
>
> Out of curiosity, what are A-72 and P4?
>
> A-72 sounds like Arm Cortex A-72, P4 seems to refer to the P4
> programming language (https://opennetworking.org/p4/).
>
> Perhaps something like:
>
>+	  Cards in PCIe format installed into servers.  The Elba
>+	  SoC includes 16 Cortex A-72 CPU cores, 144 P4-programmable
>+	  cores for a minimal latency/jitter datapath, and network

Thanks for the review!  Yes, exactly.  I'll add that change which
makes the description more precise.

Regards,
Brad