[V13,7/7] Documentation: introduce amd-pstate preferrd core mode kernel command line options
| Message ID | 20240112092531.789841-8-li.meng@amd.com |
|---|---|
| State | New |
| Headers |
Return-Path: <linux-kernel+bounces-24480-ouuuleilei=gmail.com@vger.kernel.org>
Delivered-To: ouuuleilei@gmail.com
Received: by 2002:a05:693c:2614:b0:101:6a76:bbe3 with SMTP id mm20csp57765dyc;
Fri, 12 Jan 2024 01:29:05 -0800 (PST)
X-Google-Smtp-Source:
AGHT+IEbadEmEetKCYz/iewQlNf7k0vOFlsPR8BG3W9BhShYUi2HHvO03oYgeGROz2au8a+agtn5
X-Received: by 2002:a05:6402:30ac:b0:557:c07b:dc2d with SMTP id
df12-20020a05640230ac00b00557c07bdc2dmr463326edb.74.1705051745555;
Fri, 12 Jan 2024 01:29:05 -0800 (PST)
ARC-Seal: i=2; a=rsa-sha256; t=1705051745; cv=pass;
d=google.com; s=arc-20160816;
b=s38gSwbCV1Z5FpWNOAsjRBnV6ZJW8rg9zqw+xfT0KR3GTULLKCHek8jZt27JyHTtw+
g40FHHP5F3MTZg6b3+yu8ybNoaM+HhqSTf/p7GZGxcsiv0Gv8AIwFrxO5v06CbHy+ZEO
DY4NVkdlQwwPHKstyInIjMoLFkga2sqz0d2Slq6QiHtK1vhrptwFqB3ORkpQISmtApR0
Qgv/+dIYjY0u/Ezd1LDYIUx92igacWhaFVYnqkz14aaZ6OP5r2Mr/O7C2T4VvnheCUaq
IczUmMl09K7cIA0pEoEKUWD1dgZCtzm6uupBQePmH+wTa1XYljEVOzO9IaeVDADQwzXH
LSdQ==
ARC-Message-Signature: i=2; a=rsa-sha256; c=relaxed/relaxed; d=google.com;
s=arc-20160816;
h=content-transfer-encoding:mime-version:list-unsubscribe
:list-subscribe:list-id:precedence:references:in-reply-to:message-id
:date:subject:cc:to:from:dkim-signature;
bh=85oIARnE+wv1JlIuF15E0Tk1ufYqSyfbk9En7YmPpPE=;
fh=pdjV0NPE8OZoZBx2M8aim9FZCatuc1gLLlAf1G+JhNs=;
b=ta5IMRO3/fwPeFSw7T9gw4egUmezVGlqrfkwyiNo3jfmNLyWeTLmHSlFOboaa63rao
cUMdApvOk2kojJUeqmiYqJ9da0Hue2XrIwZ9s2/uCHEqC0yfDSzLpH5uLLBEsZYZl2S6
IhFjKqPu1Gft4T2xWtJO2cY9pcvd8gzm4HSDOYiatYa9U4TUlM0TTWDXBTycKJu0ZHz1
NuA9gUOlXw1smD7ww4IeYO/X8a7UK6JbL3RsvdH9GNBpyoAwXFT1jWN7NvntnbFVstkJ
C58BIWUYRY9K7OsOVoTYtEkPKEQwkbYYXEwSRRchtTh8KLRFT7czS0D/DlAf1AMNtF0b
tGpQ==
ARC-Authentication-Results: i=2; mx.google.com;
dkim=pass header.i=@amd.com header.s=selector1 header.b=YB8QzDj0;
arc=pass (i=1 spf=pass spfdomain=amd.com dmarc=pass
fromdomain=amd.com);
spf=pass (google.com: domain of
linux-kernel+bounces-24480-ouuuleilei=gmail.com@vger.kernel.org designates
147.75.80.249 as permitted sender)
smtp.mailfrom="linux-kernel+bounces-24480-ouuuleilei=gmail.com@vger.kernel.org";
dmarc=pass (p=QUARANTINE sp=QUARANTINE dis=NONE) header.from=amd.com
Received: from am.mirrors.kernel.org (am.mirrors.kernel.org. [147.75.80.249])
by mx.google.com with ESMTPS id
x26-20020aa7cd9a000000b0055753dc792bsi1259488edv.563.2024.01.12.01.29.05
for <ouuuleilei@gmail.com>
(version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256);
Fri, 12 Jan 2024 01:29:05 -0800 (PST)
Received-SPF: pass (google.com: domain of
linux-kernel+bounces-24480-ouuuleilei=gmail.com@vger.kernel.org designates
147.75.80.249 as permitted sender) client-ip=147.75.80.249;
Authentication-Results: mx.google.com;
dkim=pass header.i=@amd.com header.s=selector1 header.b=YB8QzDj0;
arc=pass (i=1 spf=pass spfdomain=amd.com dmarc=pass
fromdomain=amd.com);
spf=pass (google.com: domain of
linux-kernel+bounces-24480-ouuuleilei=gmail.com@vger.kernel.org designates
147.75.80.249 as permitted sender)
smtp.mailfrom="linux-kernel+bounces-24480-ouuuleilei=gmail.com@vger.kernel.org";
dmarc=pass (p=QUARANTINE sp=QUARANTINE dis=NONE) header.from=amd.com
Received: from smtp.subspace.kernel.org (wormhole.subspace.kernel.org
[52.25.139.140])
(using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits))
(No client certificate requested)
by am.mirrors.kernel.org (Postfix) with ESMTPS id 03AFA1F26A3E
for <ouuuleilei@gmail.com>; Fri, 12 Jan 2024 09:29:05 +0000 (UTC)
Received: from localhost.localdomain (localhost.localdomain [127.0.0.1])
by smtp.subspace.kernel.org (Postfix) with ESMTP id 955D55EE9A;
Fri, 12 Jan 2024 09:26:42 +0000 (UTC)
Authentication-Results: smtp.subspace.kernel.org;
dkim=pass (1024-bit key) header.d=amd.com header.i=@amd.com
header.b="YB8QzDj0"
Received: from NAM04-BN8-obe.outbound.protection.outlook.com
(mail-bn8nam04on2052.outbound.protection.outlook.com [40.107.100.52])
(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 2CEDA5EE81;
Fri, 12 Jan 2024 09:26:37 +0000 (UTC)
Authentication-Results: smtp.subspace.kernel.org;
dmarc=pass (p=quarantine dis=none) header.from=amd.com
Authentication-Results: smtp.subspace.kernel.org;
spf=fail smtp.mailfrom=amd.com
ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none;
b=bZa02nFLyeW/DgT2I71fYqdKXlEJzsNLJd4mgugeazRZ3zVZOjnXD1kTeogjiw6EQDCE7XRghqT9os4zJm55om7CYE+L6po6Fc3gs6cNGjlMaWYkvyjrEPOsJmIPIlg6mqbiWhlF8kmP0eGV77xvgtXDBbjna8wi9mefk1oRnVA6BOYHiORkMLdsZRkA1lsObnad+pxuaq9hcGhYh1lqTHRU1RGSXGpl+lAItGfO9rZyIUNse9TToGuv81BFD3pi5E0Nm7kU6m6WtjNjmWPS3Jm36lRx/1tk2yqQkKgDb9r09iCgRzMD/3ZVbQY7Uno/13zIH0yE8/Y1rhcfQi00oA==
ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com;
s=arcselector9901;
h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-AntiSpam-MessageData-ChunkCount:X-MS-Exchange-AntiSpam-MessageData-0:X-MS-Exchange-AntiSpam-MessageData-1;
bh=85oIARnE+wv1JlIuF15E0Tk1ufYqSyfbk9En7YmPpPE=;
b=ZKmPn1+JOvMKeey5pl8ss88kS92W+rF5iUBJyeJesFqbm2QK85jPz9U98qwHfdHxMld9V+fG4yJLRcCn9zTZ6mXNPMFuBJhr3VmNbP4lTLNOwlmOY+dicZLnGnhb4N0OJVRbS86gW90OQUB9A5aLodtjJCCEoDnEknhggfPirMg4XzkgjqJINUKGLSDT5QsGpIv6xGV6KRDJEnL1eWh2ZTCaVcjf3aPh/opljORiXmGoxgLIxWO+PIRRwt8bTrkJn5cFvMh6JiMzeHAtYE4x1jAp09QUaMMkrpiBvd+FxmCqfF6otTTaKNzu9GCmVxa3YTlE4kv0NywBNTKhDAxg5w==
ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass (sender ip is
165.204.84.17) smtp.rcpttodomain=intel.com smtp.mailfrom=amd.com; dmarc=pass
(p=quarantine sp=quarantine pct=100) action=none header.from=amd.com;
dkim=none (message not signed); arc=none (0)
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=amd.com; s=selector1;
h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck;
bh=85oIARnE+wv1JlIuF15E0Tk1ufYqSyfbk9En7YmPpPE=;
b=YB8QzDj0/AGT1lTV9eF/VzdB4DTg7kkmklLGtdogbQeYMYeeBWKZC9jhjS981+DIEZ8MLkO7Fu3tEUgoTeIqq3tSIOgYxjc7yMBHnNiAxdwbrBWeKRG33f67Dzc/1Q+ppPEldL4nwHfzkq63SdG2DFjZ2OKygwvIIW5ejmL5s98=
Received: from DS7PR03CA0268.namprd03.prod.outlook.com (2603:10b6:5:3b3::33)
by SA1PR12MB9245.namprd12.prod.outlook.com (2603:10b6:806:3a7::15) with
Microsoft SMTP Server (version=TLS1_2,
cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.7181.17; Fri, 12 Jan
2024 09:26:35 +0000
Received: from DS1PEPF00017095.namprd03.prod.outlook.com
(2603:10b6:5:3b3:cafe::3b) by DS7PR03CA0268.outlook.office365.com
(2603:10b6:5:3b3::33) with Microsoft SMTP Server (version=TLS1_2,
cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.7181.21 via Frontend
Transport; Fri, 12 Jan 2024 09:26:35 +0000
X-MS-Exchange-Authentication-Results: spf=pass (sender IP is 165.204.84.17)
smtp.mailfrom=amd.com; dkim=none (message not signed)
header.d=none;dmarc=pass action=none header.from=amd.com;
Received-SPF: Pass (protection.outlook.com: domain of amd.com designates
165.204.84.17 as permitted sender) receiver=protection.outlook.com;
client-ip=165.204.84.17; helo=SATLEXMB04.amd.com; pr=C
Received: from SATLEXMB04.amd.com (165.204.84.17) by
DS1PEPF00017095.mail.protection.outlook.com (10.167.17.138) with Microsoft
SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id
15.20.7181.13 via Frontend Transport; Fri, 12 Jan 2024 09:26:35 +0000
Received: from jasmine-meng.amd.com (10.180.168.240) by SATLEXMB04.amd.com
(10.181.40.145) with Microsoft SMTP Server (version=TLS1_2,
cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.34; Fri, 12 Jan
2024 03:26:29 -0600
From: Meng Li <li.meng@amd.com>
To: "Rafael J . Wysocki" <rafael.j.wysocki@intel.com>, Borislav Petkov
<bpetkov@amd.com>, Huang Rui <ray.huang@amd.com>
CC: <linux-pm@vger.kernel.org>, <linux-kernel@vger.kernel.org>,
<x86@kernel.org>, <linux-acpi@vger.kernel.org>, Shuah Khan
<skhan@linuxfoundation.org>, <linux-kselftest@vger.kernel.org>, "Nathan
Fontenot" <nathan.fontenot@amd.com>, Deepak Sharma <deepak.sharma@amd.com>,
Alex Deucher <alexander.deucher@amd.com>, Mario Limonciello
<mario.limonciello@amd.com>, Shimmer Huang <shimmer.huang@amd.com>, "Perry
Yuan" <Perry.Yuan@amd.com>, Xiaojian Du <Xiaojian.Du@amd.com>, Viresh Kumar
<viresh.kumar@linaro.org>, Borislav Petkov <bp@alien8.de>, "Oleksandr
Natalenko" <oleksandr@natalenko.name>, Meng Li <li.meng@amd.com>, Wyes Karny
<wyes.karny@amd.com>, Perry Yuan <perry.yuan@amd.com>
Subject: [PATCH V13 7/7] Documentation: introduce amd-pstate preferrd core
mode kernel command line options
Date: Fri, 12 Jan 2024 17:25:31 +0800
Message-ID: <20240112092531.789841-8-li.meng@amd.com>
X-Mailer: git-send-email 2.34.1
In-Reply-To: <20240112092531.789841-1-li.meng@amd.com>
References: <20240112092531.789841-1-li.meng@amd.com>
Precedence: bulk
X-Mailing-List: linux-kernel@vger.kernel.org
List-Id: <linux-kernel.vger.kernel.org>
List-Subscribe: <mailto:linux-kernel+subscribe@vger.kernel.org>
List-Unsubscribe: <mailto:linux-kernel+unsubscribe@vger.kernel.org>
MIME-Version: 1.0
Content-Transfer-Encoding: 8bit
Content-Type: text/plain
X-ClientProxiedBy: SATLEXMB03.amd.com (10.181.40.144) To SATLEXMB04.amd.com
(10.181.40.145)
X-EOPAttributedMessage: 0
X-MS-PublicTrafficType: Email
X-MS-TrafficTypeDiagnostic: DS1PEPF00017095:EE_|SA1PR12MB9245:EE_
X-MS-Office365-Filtering-Correlation-Id: 68211a65-65ac-4446-7a38-08dc13509235
X-MS-Exchange-SenderADCheck: 1
X-MS-Exchange-AntiSpam-Relay: 0
X-Microsoft-Antispam: BCL:0;
X-Microsoft-Antispam-Message-Info:
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
X-Forefront-Antispam-Report:
CIP:165.204.84.17;CTRY:US;LANG:en;SCL:1;SRV:;IPV:CAL;SFV:NSPM;H:SATLEXMB04.amd.com;PTR:InfoDomainNonexistent;CAT:NONE;SFS:(13230031)(4636009)(39860400002)(136003)(376002)(346002)(396003)(230922051799003)(451199024)(1800799012)(82310400011)(64100799003)(186009)(46966006)(40470700004)(36840700001)(7416002)(26005)(5660300002)(2616005)(47076005)(2906002)(1076003)(356005)(4326008)(316002)(6666004)(83380400001)(81166007)(110136005)(82740400003)(36860700001)(8676002)(8936002)(54906003)(6636002)(16526019)(41300700001)(478600001)(70586007)(336012)(7696005)(70206006)(426003)(86362001)(36756003)(40460700003)(40480700001)(36900700001)(14943795004);DIR:OUT;SFP:1101;
X-OriginatorOrg: amd.com
X-MS-Exchange-CrossTenant-OriginalArrivalTime: 12 Jan 2024 09:26:35.0119
(UTC)
X-MS-Exchange-CrossTenant-Network-Message-Id:
68211a65-65ac-4446-7a38-08dc13509235
X-MS-Exchange-CrossTenant-Id: 3dd8961f-e488-4e60-8e11-a82d994e183d
X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp:
TenantId=3dd8961f-e488-4e60-8e11-a82d994e183d;Ip=[165.204.84.17];Helo=[SATLEXMB04.amd.com]
X-MS-Exchange-CrossTenant-AuthSource:
DS1PEPF00017095.namprd03.prod.outlook.com
X-MS-Exchange-CrossTenant-AuthAs: Anonymous
X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem
X-MS-Exchange-Transport-CrossTenantHeadersStamped: SA1PR12MB9245
X-getmail-retrieved-from-mailbox: INBOX
X-GMAIL-THRID: 1787876339033713183
X-GMAIL-MSGID: 1787876339033713183
|
| Series |
amd-pstate preferred core
|
|
Commit Message
Meng Li
Jan. 12, 2024, 9:25 a.m. UTC
amd-pstate driver support enable/disable preferred core. Default enabled on platforms supporting amd-pstate preferred core. Disable amd-pstate preferred core with "amd_prefcore=disable" added to the kernel command line. Signed-off-by: Meng Li <li.meng@amd.com> Reviewed-by: Mario Limonciello <mario.limonciello@amd.com> Reviewed-by: Wyes Karny <wyes.karny@amd.com> Reviewed-by: Huang Rui <ray.huang@amd.com> Reviewed-by: Perry Yuan <perry.yuan@amd.com> Tested-by: Oleksandr Natalenko <oleksandr@natalenko.name> --- Documentation/admin-guide/kernel-parameters.txt | 5 +++++ 1 file changed, 5 insertions(+)
diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/admin-guide/kernel-parameters.txt index 65731b060e3f..cbfa63a87e4a 100644 --- a/Documentation/admin-guide/kernel-parameters.txt +++ b/Documentation/admin-guide/kernel-parameters.txt @@ -363,6 +363,11 @@ selects a performance level in this range and appropriate to the current workload. + amd_prefcore= + [X86] + disable + Disable amd-pstate preferred core. + amijoy.map= [HW,JOY] Amiga joystick support Map of devices attached to JOY0DAT and JOY1DAT Format: <a>,<b>