linux-kernel - Re: [PATCH v7 3/4] x86/cpu: Update x86_match

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Message-ID: <20250310162409.5gnesmcz4fdon5al@desk>
Date: Mon, 10 Mar 2025 09:24:09 -0700
From: Pawan Gupta <pawan.kumar.gupta@...ux.intel.com>
To: Borislav Petkov <bp@...en8.de>
Cc: Thomas Gleixner <tglx@...utronix.de>, Ingo Molnar <mingo@...hat.com>,
	Dave Hansen <dave.hansen@...ux.intel.com>, x86@...nel.org,
	daniel.sneddon@...ux.intel.com, tony.luck@...el.com,
	linux-kernel@...r.kernel.org, linux-pm@...r.kernel.org,
	linux-perf-users@...r.kernel.org,
	Josh Poimboeuf <jpoimboe@...nel.org>,
	Srinivas Pandruvada <srinivas.pandruvada@...ux.intel.com>,
	"Rafael J. Wysocki" <rafael@...nel.org>,
	Ricardo Neri <ricardo.neri-calderon@...ux.intel.com>,
	"Liang, Kan" <kan.liang@...ux.intel.com>,
	Andrew Cooper <andrew.cooper3@...rix.com>,
	Brice Goglin <brice.goglin@...il.com>,
	Mario Limonciello <mario.limonciello@....com>,
	Perry Yuan <Perry.Yuan@....com>,
	Dapeng Mi <dapeng1.mi@...ux.intel.com>
Subject: Re: [PATCH v7 3/4] x86/cpu: Update x86_match_cpu() to also use
 cpu-type

On Mon, Mar 10, 2025 at 11:48:44AM +0100, Borislav Petkov wrote:
> On Thu, Mar 06, 2025 at 06:18:36PM -0800, Pawan Gupta wrote:
> > +static bool x86_match_vendor_cpu_type(struct cpuinfo_x86 *c, const struct x86_cpu_id *m)
> > +{
> > +	if (m->cpu_type == X86_CPU_TYPE_ANY)
> > +		return true;
> > +
> > +	/* Hybrid CPUs are special, they are assumed to match all cpu-types */
> > +	if (boot_cpu_has(X86_FEATURE_HYBRID_CPU))
> 
> check_for_deprecated_apis: WARNING: arch/x86/kernel/cpu/match.c:25: Do not use boot_cpu_has() - use cpu_feature_enabled() instead.

Will do. Thanks for the review.