linux-kernel - Re: [PATCH v1 12/26] x86/cpu: Use scanned CPUID(0x1)

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Message-ID: <aBsNhcFPeOiFuj34@lx-t490>
Date: Wed, 7 May 2025 09:36:37 +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 v1 12/26] x86/cpu: Use scanned CPUID(0x1)

On Tue, 06 May, Ingo Molnar wrote:
>
> * Ahmed S. Darwish <darwi@...utronix.de> wrote:
> >
> > -		if (cap0 & (1<<19)) {
> > -			c->x86_clflush_size = ((misc >> 8) & 0xff) * 8;
> > +		if (l1->clflush) {
> > +			c->x86_clflush_size = l1->clflush_size * 8;
> >
>
> Nice patch, it really nicely demonstrates the maintainability
> advantages of the new CPUID parser.
>

Thank you. Really appreciated :)