linux-kernel - Re: [ANNOUNCE] x86-cpuid-db: Release v2.0

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Message-ID: <55f755e9-2712-47d5-82d5-d6e685969461@citrix.com>
Date: Tue, 8 Oct 2024 14:38:17 +0100
From: Andrew Cooper <andrew.cooper3@...rix.com>
To: "Ahmed S. Darwish" <darwi@...utronix.de>, x86-cpuid@...ts.linux.dev,
 Borislav Petkov <bp@...en8.de>, "H. Peter Anvin" <hpa@...or.com>,
 x86@...nel.org
Cc: Thomas Gleixner <tglx@...utronix.de>, Sohil Mehta
 <sohil.mehta@...el.com>, John Ogness <john.ogness@...utronix.de>,
 linux-kernel@...r.kernel.org
Subject: Re: [ANNOUNCE] x86-cpuid-db: Release v2.0

On 08/10/2024 2:31 pm, Ahmed S. Darwish wrote:
> to:
>
>     /*
>      * Leaf 0x0
>      * Maximum standard leaf number + CPU vendor string
>      */
>
>     struct leaf_0x0_0 {
>         ...;
>     };
>
>     /*
>      * Leaf 0x7
>      * Extended CPU features enumeration
>      */
>
>     struct leaf_0x7_0 {
>         ...;
>     };
>
>     struct leaf_0x7_1 {
>         ...;
>     };
>
> Overall, this removes ambiguity for IDs like 0x16, and improves kernel
> code greppability (x86 PQ pending).

So what does leaf 0xd with 62 subleaves look like.  Do we really have
one number in hex, and one in decimal?

~Andrew