linux-kernel - Re: [PATCH v2 1/2] x86/cacheinfo: Properly parse CPUID(0x80000005) L1d/L1i associativity

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Message-ID: <Z_dc0h-EI5RWtIK2@lx-t490>
Date: Thu, 10 Apr 2025 07:53:22 +0200
From: "Ahmed S. Darwish" <darwi@...utronix.de>
To: Ingo Molnar <mingo@...nel.org>
Cc: Ingo Molnar <mingo@...hat.com>, Borislav Petkov <bp@...en8.de>,
	Dave Hansen <dave.hansen@...ux.intel.com>,
	Thomas Gleixner <tglx@...utronix.de>,
	Andrew Cooper <andrew.cooper3@...rix.com>,
	"H. Peter Anvin" <hpa@...or.com>,
	John Ogness <john.ogness@...utronix.de>, x86@...nel.org,
	x86-cpuid@...ts.linux.dev, LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v2 1/2] x86/cacheinfo: Properly parse CPUID(0x80000005)
 L1d/L1i associativity

On Wed, 09 Apr 2025, Ingo Molnar wrote:
>
> Yeah, so a Cc: stable tag is usually reserved for recent regressions,
> or critical fixes - but this is a bug from 2009, ~16 years old. This
> bug is old enough to receive a driving license in the US, and can
> legally buy beer or wine in Germany.
>

Haha, noted :)

> So I've removed the tags from the two commits in tip:x86/cpu, but note
> that the Fixes tag itself will give backporters enough information so
> they can decide on whether to backport. Greg's -stable process
> typically processes all Fixes tags for example, once Linus pulls this
> into v6.16-to-be.

Yup, makes sense.

Thanks a lot for all the support!
Ahmed