Re: [PATCH v4 1/8] x86/sev: Prepare for using the RMPREAD instruction to access the RMP

From: Tom Lendacky
Date: Fri Oct 25 2024 - 09:47:52 EST


On 10/25/24 07:09, Borislav Petkov wrote:
> On Wed, Oct 23, 2024 at 01:41:55PM -0500, Tom Lendacky wrote:
>> +/*
>> + * The RMP entry format as returned by the RMPREAD instruction.
>> + */
>> +struct rmpread {
>
> Hmm, I'm not sure this is better. "rmread" is an instruction but then you have
> a struct called this way too. Strange. :-\
>
> I think you almost had it already with a little more explanations:
>
> https://lore.kernel.org/r/20241018111043.GAZxJCM8DK-wEjDJZR@fat_crate.local
>
> The convention being that the _raw entry is what's in the actual table and
> rmpentry is what RMPREAD returns. I think this is waaay more natural.
>
> Hmmm.

Just wanted to show you what it looks like. There still is a lot of change
because of the new argument and using a structure now instead of the
direct entry.

I can change back and maybe add some more detail above the struct names if
that suffices.

Thanks,
Tom

>