| Message ID | 20230815061546.3556083-8-li.meng@amd.com |
|---|---|
| State | Superseded |
| Headers | show
Return-Path: <linux-acpi-owner@vger.kernel.org>
X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on
aws-us-west-2-korg-lkml-1.web.codeaurora.org
Received: from vger.kernel.org (vger.kernel.org [23.128.96.18])
by smtp.lore.kernel.org (Postfix) with ESMTP id A2392C41513
for <linux-acpi@archiver.kernel.org>; Tue, 15 Aug 2023 06:20:00 +0000 (UTC)
Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand
id S235096AbjHOGT2 (ORCPT <rfc822;linux-acpi@archiver.kernel.org>);
Tue, 15 Aug 2023 02:19:28 -0400
Received: from lindbergh.monkeyblade.net ([23.128.96.19]:60906 "EHLO
lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org
with ESMTP id S235120AbjHOGSO (ORCPT
<rfc822;linux-acpi@vger.kernel.org>); Tue, 15 Aug 2023 02:18:14 -0400
Received: from NAM12-MW2-obe.outbound.protection.outlook.com
(mail-mw2nam12on2057.outbound.protection.outlook.com [40.107.244.57])
by lindbergh.monkeyblade.net (Postfix) with ESMTPS id D193B26B3;
Mon, 14 Aug 2023 23:17:36 -0700 (PDT)
ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none;
b=LBQZk2YDzZjRbDyMJKJT4alVTnLui+ZvWRHGGDfV4z/cq24+9Vvlqu8DKNXhqGakw3wwfYV7eldMsj/MGyjkdA/zNO+EapB/YyLBV7sJIKX3CMpzyZmihfbZwp+K9pHJ2T8wBXhl6h06jZ3iKd7C3v52HhtLxIepN/aYxyHWzXJ+PE8XRrc5c1VEBWW4XJhojwrpkeNkRa4Mj2gH3MWDT1U+TfWuU8k7PXk5sDP1Uym76YFWtVfV5/W+pUz4ZesWZxPVWpUQ4kPp6wQWwWxTe1HPKBFzMVGkSpLReV1nR4CRgxQFWnuSPksAhi3b4tRtIofsnYl9MDxXREHHB/mLJg==
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=fD5SW4ZMZUACDC28VDgFXSClMzlQYedjVWuE+bSD/4U=;
b=L2tViCdkb++o2ecI5tti4EEwJt7DwqZJRqOy7U3TkYcydFk+d9fLNEaOgHndxm7WfIaPm4qPJBGNbuZpkkLwfvsubx8UyV7GgLEM6yDpTkwzSbh4d1hNqi8thw1BtnlYZoLDGItFjgaaMCBhp9xDNWMLQor4avloBlF4YtcmiiBdo3eUZYb2oXXSnY9mwQl8N6zA5ZdW75im1dNA9YgI57NnT3bAyZwv+v0jV95vqWibGvrXiELQEOWv39mMgS8w4axHIzEIC96P4g/CihIxQbYoLpNqblF4KCYuwvLk4NXaaqsUuf7+YDT2e2/wKldy1MdE24pn6CrLqCjLdn1tfw==
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
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=fD5SW4ZMZUACDC28VDgFXSClMzlQYedjVWuE+bSD/4U=;
b=lf0/2wmscXW7GiId4MTQzSrNqpus+ndMkN+wupy0PexDhOUgDX1AslumtETI5hVpAzO9ftzfjV4V7dYn8gAV5dSQ9IiPgaiEP1FcSEI5K6qS+aUv+WhA7dCr66CwuwHovIllqaPk13eEc1nZNXxG348uVa0vJGNc9VdbYBFfvrw=
Received: from MW4PR04CA0140.namprd04.prod.outlook.com (2603:10b6:303:84::25)
by SN7PR12MB6791.namprd12.prod.outlook.com (2603:10b6:806:268::22) with
Microsoft SMTP Server (version=TLS1_2,
cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.6678.24; Tue, 15 Aug
2023 06:17:33 +0000
Received: from CO1PEPF000044F6.namprd21.prod.outlook.com
(2603:10b6:303:84:cafe::14) by MW4PR04CA0140.outlook.office365.com
(2603:10b6:303:84::25) with Microsoft SMTP Server (version=TLS1_2,
cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.6652.33 via Frontend
Transport; Tue, 15 Aug 2023 06:17:33 +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
CO1PEPF000044F6.mail.protection.outlook.com (10.167.241.196) with Microsoft
SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id
15.20.6723.3 via Frontend Transport; Tue, 15 Aug 2023 06:17:33 +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 15.1.2507.27; Tue, 15 Aug
2023 01:17:27 -0500
From: Meng Li <li.meng@amd.com>
To: "Rafael J . Wysocki" <rafael.j.wysocki@intel.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>, Meng Li <li.meng@amd.com>
Subject: [PATCH V2 7/7] Documentation: introduce AMD Pstate Preferrd Core mode
kernel command line options
Date: Tue, 15 Aug 2023 14:15:46 +0800
Message-ID: <20230815061546.3556083-8-li.meng@amd.com>
X-Mailer: git-send-email 2.34.1
In-Reply-To: <20230815061546.3556083-1-li.meng@amd.com>
References: <20230815061546.3556083-1-li.meng@amd.com>
MIME-Version: 1.0
Content-Transfer-Encoding: 8bit
Content-Type: text/plain
X-Originating-IP: [10.180.168.240]
X-ClientProxiedBy: SATLEXMB04.amd.com (10.181.40.145) To SATLEXMB04.amd.com
(10.181.40.145)
X-EOPAttributedMessage: 0
X-MS-PublicTrafficType: Email
X-MS-TrafficTypeDiagnostic: CO1PEPF000044F6:EE_|SN7PR12MB6791:EE_
X-MS-Office365-Filtering-Correlation-Id: f101cc84-d0a3-46e9-6b01-08db9d574ffb
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:(13230028)(4636009)(346002)(39860400002)(376002)(136003)(396003)(186006)(1800799006)(451199021)(82310400008)(40470700004)(36840700001)(46966006)(83380400001)(36756003)(426003)(336012)(47076005)(36860700001)(86362001)(40480700001)(41300700001)(478600001)(356005)(81166007)(54906003)(70586007)(6636002)(70206006)(316002)(8676002)(110136005)(5660300002)(4326008)(82740400003)(8936002)(40460700003)(2616005)(1076003)(16526019)(26005)(7696005)(6666004)(2906002)(4744005)(36900700001)(14943795004);DIR:OUT;SFP:1101;
X-OriginatorOrg: amd.com
X-MS-Exchange-CrossTenant-OriginalArrivalTime: 15 Aug 2023 06:17:33.0931
(UTC)
X-MS-Exchange-CrossTenant-Network-Message-Id:
f101cc84-d0a3-46e9-6b01-08db9d574ffb
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:
CO1PEPF000044F6.namprd21.prod.outlook.com
X-MS-Exchange-CrossTenant-AuthAs: Anonymous
X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem
X-MS-Exchange-Transport-CrossTenantHeadersStamped: SN7PR12MB6791
Precedence: bulk
List-ID: <linux-acpi.vger.kernel.org>
X-Mailing-List: linux-acpi@vger.kernel.org
|
| Series |
AMD Pstate Preferred Core
|
expand
|
diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/admin-guide/kernel-parameters.txt index 23ebe34ff901..4f78067bb8af 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>
AMD Pstate driver support enable/disable Preferred core. Default enabled on platforms supporting AMD 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> --- Documentation/admin-guide/kernel-parameters.txt | 5 +++++ 1 file changed, 5 insertions(+)