From nobody Sun Dec 14 11:17:25 2025 Delivered-To: importer@patchew.org Received-SPF: pass (zohomail.com: domain of lists.xenproject.org designates 192.237.175.120 as permitted sender) client-ip=192.237.175.120; envelope-from=xen-devel-bounces@lists.xenproject.org; helo=lists.xenproject.org; Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of lists.xenproject.org designates 192.237.175.120 as permitted sender) smtp.mailfrom=xen-devel-bounces@lists.xenproject.org; dmarc=pass(p=quarantine dis=none) header.from=suse.com ARC-Seal: i=1; a=rsa-sha256; t=1763987539; cv=none; d=zohomail.com; s=zohoarc; b=a1Qzr8zdPJgbKnHYs1FeOxu13UglBxWXlH7j3hz/35ztR5BuNvGo4+q91TuCzbr5bOpDh7as9OFrECqKlEn+ebd6KAAyONuhrKGa/fA9n62KA9Fv2YKm9YONoLLGNfYwkC0pgYXKJQpCmkDq1Bc9mX4fSx1/5VjQzomhMJdkqUU= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1763987539; h=Content-Type:Content-Transfer-Encoding:Cc:Cc:Date:Date:From:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:Subject:To:To:Message-Id:Reply-To; bh=1XcpEuyq7I/RcIRhR0rcpzEEX5hVnSggdYKamo6kWLA=; b=doAThuAXgMBjlHGa5BBO1idHKs2flUUIFCYe7W5UMpy7xK9jwRwmDfxxAIdwGjSYsdp9VFYP9G5dqZw1EZbP24nPTIguUiY3blxFSw3P6B1V8dp/zhXoAEh2x1GgQqFWueM2aibOlhw3Izs0nbmE5VGleLX2AdGdPD8Rr3r84qA= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of lists.xenproject.org designates 192.237.175.120 as permitted sender) smtp.mailfrom=xen-devel-bounces@lists.xenproject.org; dmarc=pass header.from= (p=quarantine dis=none) Return-Path: Received: from lists.xenproject.org (lists.xenproject.org [192.237.175.120]) by mx.zohomail.com with SMTPS id 176398753910097.7910169385558; Mon, 24 Nov 2025 04:32:19 -0800 (PST) Received: from list by lists.xenproject.org with outflank-mailman.1170531.1495595 (Exim 4.92) (envelope-from ) id 1vNVjj-0008Pr-8r; Mon, 24 Nov 2025 12:32:07 +0000 Received: by outflank-mailman (output) from mailman id 1170531.1495595; Mon, 24 Nov 2025 12:32:07 +0000 Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1vNVjj-0008Pk-5Q; Mon, 24 Nov 2025 12:32:07 +0000 Received: by outflank-mailman (input) for mailman id 1170531; Mon, 24 Nov 2025 12:32:05 +0000 Received: from se1-gles-flk1-in.inumbo.com ([94.247.172.50] helo=se1-gles-flk1.inumbo.com) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1vNVcn-0001k4-Mn for xen-devel@lists.xenproject.org; Mon, 24 Nov 2025 12:24:57 +0000 Received: from mail-wm1-x32d.google.com (mail-wm1-x32d.google.com [2a00:1450:4864:20::32d]) by se1-gles-flk1.inumbo.com (Halon) with ESMTPS id 95c80395-c930-11f0-980a-7dc792cee155; Mon, 24 Nov 2025 13:24:55 +0100 (CET) Received: by mail-wm1-x32d.google.com with SMTP id 5b1f17b1804b1-477563e28a3so28785215e9.1 for ; Mon, 24 Nov 2025 04:24:55 -0800 (PST) Received: from [10.156.60.236] (ip-037-024-206-209.um08.pools.vodafone-ip.de. [37.24.206.209]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-477a9e051d8sm152580145e9.5.2025.11.24.04.24.54 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 24 Nov 2025 04:24:55 -0800 (PST) X-Outflank-Mailman: Message body and most headers restored to incoming version X-BeenThere: xen-devel@lists.xenproject.org List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xenproject.org Precedence: list Sender: "Xen-devel" X-Inumbo-ID: 95c80395-c930-11f0-980a-7dc792cee155 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.com; s=google; t=1763987095; x=1764591895; darn=lists.xenproject.org; h=content-transfer-encoding:in-reply-to:autocrypt:content-language :references:cc:to:from:subject:user-agent:mime-version:date :message-id:from:to:cc:subject:date:message-id:reply-to; bh=1XcpEuyq7I/RcIRhR0rcpzEEX5hVnSggdYKamo6kWLA=; b=X+g6dkq0B8ba7rTY3ORtLxnek7yKfMLuESCav8L/GrY+unXXmiruGR4ipp7TrYGyhO +o5V1l04xrhTEpVLS5+OmqaMUjbLT0UaeiOTKHYdC5SA0tvh391XQsPX3QNNvlheY6Et 2ntV5h9C/w5Z7mWXqNiI8IhwaFJ0nn3iTIfYsAWdQvqtiYzmotmcZGyoA6ZrpwwmrzSR BDHsRvNhs7sY5naUQvY0PQ9REGh6xzWCwKJsikUVyN5oUXaBwTWMaNdBkuqt8VhdfIsV hzn9ofVSMp4TDoiO5+ZWkyf+st04b99yvFUCW0ewAZSGUSbOoOmsfLhhAyRd+F/V1xuq uBBg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1763987095; x=1764591895; h=content-transfer-encoding:in-reply-to:autocrypt:content-language :references:cc:to:from:subject:user-agent:mime-version:date :message-id:x-gm-gg:x-gm-message-state:from:to:cc:subject:date :message-id:reply-to; bh=1XcpEuyq7I/RcIRhR0rcpzEEX5hVnSggdYKamo6kWLA=; b=R5nGQumWbpdp7cGlKB5AJvILRKkhYCi8cxuJ1UfyaDP1a9Py04kiGpbgK6DhQaVV2h kBEVhL40JfFzL/qorN4pV2598Ge5lfHnwNpzyrtYJMCROywAj5vv/YiDTC6LuIWBPMyr 4bi4hg2iigvyQ8wAEckYyfStKm62BjDPIC1h5LILm4hIAaylJt5V/oGUtOECcVaSdzYd 1V5W2hYybMRDUvfq6xhxxzVbSUNSVz83dEix+aa1MWha8wtB3pudI0e8jXcLMAXu17d2 H7bXsau/ydIn7qiF7+R8Hels7QmAr5hygtKAzjbkID6b+bd/x+pCoNP8XoEK6vg0Xc9i BI9g== X-Gm-Message-State: AOJu0YzXEWRKg2uC2+EYbAaIv7qQLlsiKx3Fd+fo/GquDJUl/rEW3i2w H4OT8+O84YTeLhv7g9TqC92wEG+YWrlOee6UKQoIqxwhzPOWanA2mQaWFopDZur+zEJsn1magAL T1Bg= X-Gm-Gg: ASbGncsQCbWKdSZ1e62Y2fmZvceJSneetZcVlnWZwakiGLdThOekE9MZqA70iHBMpay 6N7ksfXSfHjEMSuWZFAJrKvLxdfuu50x9lKo0ASEEtHaee1DmBM3SupOb1ICpKsYK7mTSAQE+bs fnxguanIwVKiHoq4YE8uxkhAyhJ3BQ8ROIGNjUobbhdFJTfRWMhVuqFIrgAPC3W/5csQmLwVJhQ MeEYE2SsvVRxciyx/3eTj3+PAHycLFGAoFWeOH+h833OUdybtGzxm0eUReaFZ6ZlfzW2uP5GjXl YKsppKHhmXXorNlwUAa9jxeMZ69JPxJFSxTjOsmtZdC4ntUnH0ugZE57tjF8X6WiXWP9dfK5KFk ePf9/V7xNaGlWJVGumF3aaJ9KBGzj2BS/2tM+CzYaJ3ToIL5XiDWk7xnSeWW3hvX6MEc1VVzfG2 eb49jFU3YEOQhn5DyZcXOKFur1u27Us+avN2GMYAfPsWs1X2i/7eoKjEG9PjCINCgIqgTntjREU tI= X-Google-Smtp-Source: AGHT+IEhoUys/5YoCehFDJB85Azw48BWOB2bzoMrzEb3G0ZMOMPXZ+CY/LZCV8vBna5lVpSUbk1MRA== X-Received: by 2002:a05:600c:154e:b0:46e:2815:8568 with SMTP id 5b1f17b1804b1-477c05137f4mr114025495e9.10.1763987095260; Mon, 24 Nov 2025 04:24:55 -0800 (PST) Message-ID: <27f467a9-a507-4832-850e-190aff8c04aa@suse.com> Date: Mon, 24 Nov 2025 13:24:57 +0100 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: [PATCH v2 5/6] x86/cpufreq: use host CPU policy for Turbo checking From: Jan Beulich To: "xen-devel@lists.xenproject.org" Cc: Andrew Cooper , =?UTF-8?Q?Roger_Pau_Monn=C3=A9?= References: Content-Language: en-US Autocrypt: addr=jbeulich@suse.com; keydata= xsDiBFk3nEQRBADAEaSw6zC/EJkiwGPXbWtPxl2xCdSoeepS07jW8UgcHNurfHvUzogEq5xk hu507c3BarVjyWCJOylMNR98Yd8VqD9UfmX0Hb8/BrA+Hl6/DB/eqGptrf4BSRwcZQM32aZK 7Pj2XbGWIUrZrd70x1eAP9QE3P79Y2oLrsCgbZJfEwCgvz9JjGmQqQkRiTVzlZVCJYcyGGsD /0tbFCzD2h20ahe8rC1gbb3K3qk+LpBtvjBu1RY9drYk0NymiGbJWZgab6t1jM7sk2vuf0Py O9Hf9XBmK0uE9IgMaiCpc32XV9oASz6UJebwkX+zF2jG5I1BfnO9g7KlotcA/v5ClMjgo6Gl MDY4HxoSRu3i1cqqSDtVlt+AOVBJBACrZcnHAUSuCXBPy0jOlBhxPqRWv6ND4c9PH1xjQ3NP nxJuMBS8rnNg22uyfAgmBKNLpLgAGVRMZGaGoJObGf72s6TeIqKJo/LtggAS9qAUiuKVnygo 3wjfkS9A3DRO+SpU7JqWdsveeIQyeyEJ/8PTowmSQLakF+3fote9ybzd880fSmFuIEJldWxp Y2ggPGpiZXVsaWNoQHN1c2UuY29tPsJgBBMRAgAgBQJZN5xEAhsDBgsJCAcDAgQVAggDBBYC AwECHgECF4AACgkQoDSui/t3IH4J+wCfQ5jHdEjCRHj23O/5ttg9r9OIruwAn3103WUITZee e7Sbg12UgcQ5lv7SzsFNBFk3nEQQCACCuTjCjFOUdi5Nm244F+78kLghRcin/awv+IrTcIWF hUpSs1Y91iQQ7KItirz5uwCPlwejSJDQJLIS+QtJHaXDXeV6NI0Uef1hP20+y8qydDiVkv6l IreXjTb7DvksRgJNvCkWtYnlS3mYvQ9NzS9PhyALWbXnH6sIJd2O9lKS1Mrfq+y0IXCP10eS FFGg+Av3IQeFatkJAyju0PPthyTqxSI4lZYuJVPknzgaeuJv/2NccrPvmeDg6Coe7ZIeQ8Yj t0ARxu2xytAkkLCel1Lz1WLmwLstV30g80nkgZf/wr+/BXJW/oIvRlonUkxv+IbBM3dX2OV8 AmRv1ySWPTP7AAMFB/9PQK/VtlNUJvg8GXj9ootzrteGfVZVVT4XBJkfwBcpC/XcPzldjv+3 HYudvpdNK3lLujXeA5fLOH+Z/G9WBc5pFVSMocI71I8bT8lIAzreg0WvkWg5V2WZsUMlnDL9 mpwIGFhlbM3gfDMs7MPMu8YQRFVdUvtSpaAs8OFfGQ0ia3LGZcjA6Ik2+xcqscEJzNH+qh8V m5jjp28yZgaqTaRbg3M/+MTbMpicpZuqF4rnB0AQD12/3BNWDR6bmh+EkYSMcEIpQmBM51qM EKYTQGybRCjpnKHGOxG0rfFY1085mBDZCH5Kx0cl0HVJuQKC+dV2ZY5AqjcKwAxpE75MLFkr wkkEGBECAAkFAlk3nEQCGwwACgkQoDSui/t3IH7nnwCfcJWUDUFKdCsBH/E5d+0ZnMQi+G0A nAuWpQkjM1ASeQwSHEeAWPgskBQL In-Reply-To: Content-Transfer-Encoding: quoted-printable X-ZohoMail-DKIM: pass (identity @suse.com) X-ZM-MESSAGEID: 1763987539666019200 Content-Type: text/plain; charset="utf-8" There's no need to invoke CPUID yet another time - we assume symmetry anyway. With symmetry assumed, logging per-CPU also isn't very useful. Signed-off-by: Jan Beulich Reviewed-by: Andrew Cooper Reviewed-by: Jason Andryuk --- a/xen/arch/x86/acpi/cpufreq/acpi.c +++ b/xen/arch/x86/acpi/cpufreq/acpi.c @@ -220,14 +220,11 @@ static unsigned int cf_check get_cur_fre =20 void intel_feature_detect(struct cpufreq_policy *policy) { - unsigned int eax; - - eax =3D cpuid_eax(6); - if (eax & 0x2) { + if ( cpu_has_turbo ) + { policy->turbo =3D CPUFREQ_TURBO_ENABLED; - if (cpufreq_verbose) - printk(XENLOG_INFO "CPU%u: Turbo Mode detected and enabled\n", - smp_processor_id()); + if ( cpufreq_verbose ) + printk_once(XENLOG_INFO "Turbo Mode detected and enabled\n"); } } =20 --- a/xen/arch/x86/include/asm/cpufeature.h +++ b/xen/arch/x86/include/asm/cpufeature.h @@ -177,6 +177,7 @@ static inline bool boot_cpu_has(unsigned #define cpu_has_tbm boot_cpu_has(X86_FEATURE_TBM) =20 /* CPUID level 0x00000006.eax */ +#define cpu_has_turbo host_cpu_policy.basic.turbo #define cpu_has_arat host_cpu_policy.basic.arat =20 /* CPUID level 0x00000006.ecx */