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From:   Martin Fernandez <martin.fernandez@eclypsium.com>
Date:   Fri, 4 Feb 2022 09:27:42 -0300
Message-ID: <CAKgze5YZF09F3FTwD6kODd2RrWATutcmM5J7-wcLTK32C6aptg@mail.gmail.com>
Subject: Re: [PATCH v6 6/6] drivers/node: Show in sysfs node's crypto capabilities
To:     Mike Rapoport <rppt@kernel.org>
Cc:     linux-kernel@vger.kernel.org, linux-efi@vger.kernel.org,
        platform-driver-x86@vger.kernel.org, linux-mm@kvack.org,
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On 2/4/22, Mike Rapoport <rppt@kernel.org> wrote:
> On Thu, Feb 03, 2022 at 01:43:28PM -0300, Martin Fernandez wrote:
>> +Description:
>> +		This value is 1 if all system memory in this node is
>> +		marked with EFI_MEMORY_CPU_CRYPTO, indicating that the
>
> It didn't jump at me at previous postings, but other architectures won't
> necessary have EFI_MEMORY_CPU_CRYPTO marking crypto-capable memory.
>
> How about
>
>   This value is 1 if all system memory in this node is capable of being
>   protected with the CPU's memory cryptographic capabilities. It is 0
>   otherwise.
>   On EFI architectures with value corresponds to EFI_MEMORY_CPU_CRYPTO.
>
>

Yes, sounds good to me.

Is there other architecture with something similar to this? Or are you
thinking on the possibility of such architecture?