From: Borislav Petkov <bp@alien8.de>
To: Pawan Gupta <pawan.kumar.gupta@linux.intel.com>
Cc: Thomas Gleixner <tglx@linutronix.de>,
Ingo Molnar <mingo@redhat.com>,
Dave Hansen <dave.hansen@linux.intel.com>,
x86@kernel.org, daniel.sneddon@linux.intel.com,
tony.luck@intel.com, linux-kernel@vger.kernel.org,
linux-pm@vger.kernel.org, linux-perf-users@vger.kernel.org,
Josh Poimboeuf <jpoimboe@kernel.org>,
Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>,
"Rafael J. Wysocki" <rafael@kernel.org>,
Ricardo Neri <ricardo.neri-calderon@linux.intel.com>,
"Liang, Kan" <kan.liang@linux.intel.com>,
Andrew Cooper <andrew.cooper3@citrix.com>,
Brice Goglin <brice.goglin@gmail.com>,
Mario Limonciello <mario.limonciello@amd.com>,
Perry Yuan <Perry.Yuan@amd.com>,
Dapeng Mi <dapeng1.mi@linux.intel.com>
Subject: Re: [PATCH v7 3/4] x86/cpu: Update x86_match_cpu() to also use cpu-type
Date: Mon, 10 Mar 2025 11:48:44 +0100 [thread overview]
Message-ID: <20250310104844.GDZ87DjFQef8GaREqg@fat_crate.local> (raw)
In-Reply-To: <20250306-add-cpu-type-v7-3-f903fb022fd4@linux.intel.com>
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.
> + return true;
> +
> + if (c->x86_vendor == X86_VENDOR_INTEL)
> + return m->cpu_type == c->topo.intel_type;
> + if (c->x86_vendor == X86_VENDOR_AMD)
> + return m->cpu_type == c->topo.amd_type;
> +
> + return false;
> +}
--
Regards/Gruss,
Boris.
https://people.kernel.org/tglx/notes-about-netiquette
next prev parent reply other threads:[~2025-03-10 10:49 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-03-07 2:17 [PATCH v7 0/4] Utilize cpu-type for CPU matching Pawan Gupta
2025-03-07 2:18 ` [PATCH v7 1/4] x86/cpu: Name CPU matching macro more generically (and shorten) Pawan Gupta
2025-03-09 17:29 ` Borislav Petkov
2025-03-10 16:04 ` Pawan Gupta
2025-03-07 2:18 ` [PATCH v7 2/4] x86/cpu: Add cpu_type to struct x86_cpu_id Pawan Gupta
2025-03-09 17:32 ` Borislav Petkov
2025-03-10 16:07 ` Pawan Gupta
2025-03-07 2:18 ` [PATCH v7 3/4] x86/cpu: Update x86_match_cpu() to also use cpu-type Pawan Gupta
2025-03-10 10:48 ` Borislav Petkov [this message]
2025-03-10 16:24 ` Pawan Gupta
2025-03-07 2:18 ` [PATCH v7 4/4] x86/rfds: Exclude P-only parts from the RFDS affected list Pawan Gupta
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