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Date: Thu, 29 Jan 2026 18:16:04 +0100
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From: "Ahmed S. Darwish" <darwi@linutronix.de>
To: Borislav Petkov <bp@alien8.de>
Cc: Ingo Molnar <mingo@redhat.com>,
	Dave Hansen <dave.hansen@linux.intel.com>,
	Thomas Gleixner <tglx@linutronix.de>,
	Andrew Cooper <andrew.cooper3@citrix.com>,
	Sean Christopherson <seanjc@google.com>,
	David Woodhouse <dwmw2@infradead.org>,
	"H. Peter Anvin" <hpa@zytor.com>,
	Peter Zijlstra <peterz@infradead.org>,
	Sohil Mehta <sohil.mehta@intel.com>,
	John Ogness <john.ogness@linutronix.de>, x86@kernel.org,
	x86-cpuid@lists.linux.dev, LKML <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH v5 07/35] x86: Introduce a centralized CPUID data model
Message-ID: <aXuV1IQYiMyn34ps@lx-t490>
References: <20250905121515.192792-1-darwi@linutronix.de>
 <20250905121515.192792-8-darwi@linutronix.de>
 <20260116203117.GAaWqgFYTv1bHLxKV_@fat_crate.local>
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 <20260129160709.GSaXuFreAkumbetUYJ@fat_crate.local>
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In-Reply-To: <20260129160709.GSaXuFreAkumbetUYJ@fat_crate.local>

On Thu, 29 Jan 2026, Borislav Petkov wrote:
>
> But this is not about static and dynamic - you simply have different
> subleaf layouts. And I guess you don't have to call them anything. You
> simply have different struct types: leaf_0xd_0, leaf_0xd_1, leaf_0xd_n,
> ...
>
> And that's fine.
>
> The point being: we want our definitions to be as close to the hw spec
> definition as possible. Not invent new things. Just use what the SDM
> says and that's it.
>

ACK.