From nobody Sun Dec 22 07:48:14 2024 Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.14]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id F0128157A48; Fri, 20 Dec 2024 21:39:15 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.175.65.14 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1734730758; cv=none; b=J4HYl/OwVd5IxRiaP3LUfziJDj1ePd/8jOsC7/W3O5a2GG7jOU7bTXHX/G0Wl+a6Qvp/MEOCQXubepIzharDoWdiayu4YoYnM6TeZnGBFn7wJLUbt+76J294z1beh8zc23HzeG1ub5PrUH8eaMxttz0173nXJoTaSBNsfpo+XEQ= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1734730758; c=relaxed/simple; bh=WGLszqkcK4qS7XxdeQwaV9JLA+JQQF8TjunUmB8Arzk=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=hfNJ+kJrq3fEwsbRDoSeuqxLap2tZIl4w76u3vbKvP6tWNvzckuMf++8EYicwsQjk6xZMQLl5QY7F1D5uNc4lOGywlL78qHONvQDbBcFbJrFjA9ACnbkyBoKDF8qL9aEJfbvbKEbvJDLV39bGlMxkWHyvBdWQTBKMYjM+JTc2og= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com; spf=pass smtp.mailfrom=intel.com; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b=QnIaGu5V; arc=none smtp.client-ip=198.175.65.14 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=intel.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b="QnIaGu5V" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1734730757; x=1766266757; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=WGLszqkcK4qS7XxdeQwaV9JLA+JQQF8TjunUmB8Arzk=; b=QnIaGu5VrJHl8Fr7spuz2bIMVgllyN6qvLPazvhzVkid/X0+7Ymmgnao vMSH22z7yDbp3YZWEBnbndWQbpd8LKvyHtHDIn2NwtRJdLjSnx4Qhp3GJ ynsLzhrFv+2O3wyjA4PoejSYQKtff0NfCXovdu0+d/pba1ATbBAdfdUVS NdOKnfAFduU3HJR1xeOPaTcPZtfKDZX/XeCwtVml8oSfZ5I1FJMhCNy69 gk9Sga+5ZjIl1sMZXzLILRk6XlsM4b9a1PpO5VEFqWRGDs50RyEcowGHk 78/QoAi+iOMETOiUJEC+aMIHxJyuSEswP8WiLMZXF/yUNIA/DGX4cnoMZ A==; X-CSE-ConnectionGUID: QYQxpPyrT+CHS+mVIbks2Q== X-CSE-MsgGUID: WRoyM0OfTg+EJA3GhdPK4w== X-IronPort-AV: E=McAfee;i="6700,10204,11292"; a="39070617" X-IronPort-AV: E=Sophos;i="6.12,251,1728975600"; d="scan'208";a="39070617" Received: from fmviesa005.fm.intel.com ([10.60.135.145]) by orvoesa106.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 20 Dec 2024 13:39:15 -0800 X-CSE-ConnectionGUID: /tMvC+22Rb+rT6uaVbKJBQ== X-CSE-MsgGUID: vrXDA1jARrSxFxpmx5mnvw== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.12,224,1728975600"; d="scan'208";a="103223826" Received: from sohilmeh.sc.intel.com ([172.25.103.65]) by fmviesa005.fm.intel.com with ESMTP; 20 Dec 2024 13:39:14 -0800 From: Sohil Mehta To: x86@kernel.org, Dave Hansen , Tony Luck Cc: Peter Zijlstra , Ingo Molnar , Arnaldo Carvalho de Melo , Namhyung Kim , Mark Rutland , Alexander Shishkin , Jiri Olsa , Ian Rogers , Adrian Hunter , Kan Liang , Thomas Gleixner , Borislav Petkov , "H . Peter Anvin" , "Rafael J . Wysocki" , Len Brown , Andy Lutomirski , Viresh Kumar , Fenghua Yu , Jean Delvare , Guenter Roeck , Sohil Mehta , Zhang Rui , linux-perf-users@vger.kernel.org, linux-kernel@vger.kernel.org, linux-acpi@vger.kernel.org, linux-pm@vger.kernel.org, linux-hwmon@vger.kernel.org Subject: [RFC PATCH 01/15] x86/apic: Fix 32-bit APIC initialization for extended Intel families Date: Fri, 20 Dec 2024 21:36:56 +0000 Message-ID: <20241220213711.1892696-2-sohil.mehta@intel.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20241220213711.1892696-1-sohil.mehta@intel.com> References: <20241220213711.1892696-1-sohil.mehta@intel.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" detect_init_APIC() limits the APIC detection to families 6 and 15. Extend the check to family numbers beyond 15. Also, convert it to a VFM check to make it simpler. Signed-off-by: Sohil Mehta Acked-by: Dave Hansen --- arch/x86/kernel/apic/apic.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/arch/x86/kernel/apic/apic.c b/arch/x86/kernel/apic/apic.c index c5fb28e6451a..13dac8f78213 100644 --- a/arch/x86/kernel/apic/apic.c +++ b/arch/x86/kernel/apic/apic.c @@ -2014,8 +2014,8 @@ static bool __init detect_init_APIC(void) case X86_VENDOR_HYGON: break; case X86_VENDOR_INTEL: - if (boot_cpu_data.x86 =3D=3D 6 || boot_cpu_data.x86 =3D=3D 15 || - (boot_cpu_data.x86 =3D=3D 5 && boot_cpu_has(X86_FEATURE_APIC))) + if ((boot_cpu_data.x86 =3D=3D 5 && boot_cpu_has(X86_FEATURE_APIC)) || + boot_cpu_data.x86_vfm >=3D INTEL_PENTIUM_PRO) break; goto no_apic; default: --=20 2.43.0