From patchwork Wed Feb 13 09:37:24 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Peng Fan X-Patchwork-Id: 10809449 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id A5DCD13BF for ; Wed, 13 Feb 2019 09:37:35 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 90D9B2A51E for ; Wed, 13 Feb 2019 09:37:35 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 823AF2BFA2; Wed, 13 Feb 2019 09:37:35 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-5.2 required=2.0 tests=BAD_ENC_HEADER,BAYES_00, DKIM_SIGNED,DKIM_VALID,MAILING_LIST_MULTI,RCVD_IN_DNSWL_MED autolearn=ham version=3.3.1 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 1AD882A51E for ; Wed, 13 Feb 2019 09:37:35 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:Message-ID:Date:Subject:To :From:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:In-Reply-To:References: List-Owner; bh=IlZUaz8BW60frWFqQj758qdwnpzN6fBkdehiFKZVHWY=; b=owco4AuxLrsTih 3mCe4gDbji8zmx0Ubbj+rtM1cOsYGUDJLdxEdFtQlV3Fr3mZy5zRP7MaWlvbp+W095pFhCrKQAhYW JeRy3bYoqd7FMLl4Pr1vQXRCKVMp+AFNFZ+uw0NN9aFXYmFpthEIrOtvI54lYHJ4tX/vjvgZyYNaK kKXsCBgOhM121Oub9ME6/8btBFLFZkSgKf68DzQ1isj9QAGnrzetQ+QPRMGAvKlTyGzC+Fhn0CYAq G1+G+GuOCTcFvnaWeQXcfz5NHgM0R9ONDlUnL1yYKoayNGrMAho06sGCAfcUvwMFlcJyo0A/ybHiX fMSrc44kbj3JA4ahP+VA==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.90_1 #2 (Red Hat Linux)) id 1gtqyz-0002BP-PH; Wed, 13 Feb 2019 09:37:33 +0000 Received: from mail-ve1eur01on0600.outbound.protection.outlook.com ([2a01:111:f400:fe1f::600] helo=EUR01-VE1-obe.outbound.protection.outlook.com) by bombadil.infradead.org with esmtps (Exim 4.90_1 #2 (Red Hat Linux)) id 1gtqyw-00020B-NG for linux-arm-kernel@lists.infradead.org; Wed, 13 Feb 2019 09:37:32 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=nxp.com; s=selector1; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=YnY/qp239EOY3vBcm8BDFWUmCqHswRUXtsscN9BRC8M=; b=OizWi1r6BQerM4ejTHl42XuZhzEqDjogUaAKC5sqH72j+Hz2l5AWUgu5YSRYp4z+f/g1vonAeCBIcYDgRo9mep+Sr1zRF8s66Vvsei2KMdl3oDruiGYErZGqbBVGrY8Ujd2b0JLYnfSQio92y65P2P3mXle6RQD2p+h3br0/ESk= Received: from DB7PR04MB4490.eurprd04.prod.outlook.com (52.135.138.16) by DB7PR04MB5323.eurprd04.prod.outlook.com (20.176.236.147) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.1601.21; Wed, 13 Feb 2019 09:37:24 +0000 Received: from DB7PR04MB4490.eurprd04.prod.outlook.com ([fe80::fd45:a391:7591:1aa5]) by DB7PR04MB4490.eurprd04.prod.outlook.com ([fe80::fd45:a391:7591:1aa5%6]) with mapi id 15.20.1601.023; Wed, 13 Feb 2019 09:37:24 +0000 From: Peng Fan To: "catalin.marinas@arm.com" , "will.deacon@arm.com" , "mark.rutland@arm.com" , "ard.biesheuvel@linaro.org" , "yaojun8558363@gmail.com" , "cpandya@codeaurora.org" , "robin.murphy@arm.com" Subject: [PATCH 1/3] arm64: mmu: update paging_init comments Thread-Topic: [PATCH 1/3] arm64: mmu: update paging_init comments Thread-Index: AQHUw3+594hgBkL8LUmsAWmiVRUwog== Date: Wed, 13 Feb 2019 09:37:24 +0000 Message-ID: <20190213094831.7292-1-peng.fan@nxp.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-mailer: git-send-email 2.16.4 x-clientproxiedby: HK0PR04CA0013.apcprd04.prod.outlook.com (2603:1096:203:36::25) To DB7PR04MB4490.eurprd04.prod.outlook.com (2603:10a6:5:35::16) authentication-results: spf=none (sender IP is ) smtp.mailfrom=peng.fan@nxp.com; x-ms-exchange-messagesentrepresentingtype: 1 x-originating-ip: [119.31.174.71] x-ms-publictraffictype: Email x-ms-office365-filtering-correlation-id: 3cfa51da-d64b-4fed-c942-08d69196dbaa x-ms-office365-filtering-ht: Tenant x-microsoft-antispam: BCL:0; PCL:0; RULEID:(2390118)(7020095)(4652040)(8989299)(4534185)(4627221)(201703031133081)(201702281549075)(8990200)(5600110)(711020)(4605077)(4618075)(2017052603328)(7153060)(7193020); SRVR:DB7PR04MB5323; x-ms-traffictypediagnostic: DB7PR04MB5323: x-microsoft-exchange-diagnostics: =?iso-8859-1?Q?1; DB7PR04MB5323; 23:HKRx29R84n/BPevZ173oXY0lSvZckSdkyFV3O4a?= =?iso-8859-1?q?env5n3d8npQ+lUX?= =?iso-8859-1?q?kBZF/c31W5UCsBTviZXuxKdHF8UTx/QYasI0Sphp4QmIwFvzeEkdMRI6K7+N?= =?iso-8859-1?q?7AKyJMae5+L3DYdP/VXsccp8A6kZuz0+w7Nm+TENTVmjIs+WCPMTamTmsnZv?= =?iso-8859-1?q?5kRn9ST7KriMeImUcmO8U2jwWyo536kaFCW68LGVxE5150DJ0TGUpYnKzrX9?= =?iso-8859-1?q?nBEDtOSLGT5Mer3N+yeV3AIoJK9F1JQ918o6OjUk6uwy1Hf9odDULM1V28Tk?= =?iso-8859-1?q?p3eFKSWgQN4DJUQEBseaRrJcbVBNToOKdz4WeiJfL80puMjGPGUeEQXOfrbu?= =?iso-8859-1?q?+iUVzzQrMhWZDTAWkxooaX9l/2PYtxfAO1/USTrx37uRBVuRjC1erKSFQmRE?= =?iso-8859-1?q?u7i6+N2ehg89r+jsPH8FyvnL+A5Txauo/Wpm4MfSWgt5XYzMm94rnIPobg+X?= =?iso-8859-1?q?DRi0JJnKwJULYxpmqgWB6QUSDhWUSlqDSRdwwhUDF5EDdRn8HxKthL5LpMRj?= =?iso-8859-1?q?KPvx7Fk2ggwk84xn7LK72godAgV3/NvMy8qXdGBubL+8TEhI+z/taElWr89M?= =?iso-8859-1?q?3q1NRfCULmLcx3T2ae6JLrjncVSKp3xYK4eEwXxhmEMdRuZwqTF61y1Uaafe?= =?iso-8859-1?q?aW8GH3/EaRdkqsdfuZYSP8o3G/PI1EYXvpHgUdyIRKJE4rk75IlPqLiIqJ8M?= =?iso-8859-1?q?vJY1Agf1gVQ/jRS/PZF9OQo1TBWfcnAtKhAOoEOTFzVjYQgun7ZDxB7QmZLF?= =?iso-8859-1?q?wg8WmpuL8F+yak7c5daK9UukSi+Sr1dhjB+VBaM3j4EaAVgi99ySeFG8h7Od?= =?iso-8859-1?q?YYGfn1liooHGWRfTYjkru4DqhHidDymagH1pKeKwR7+3D20jb49iNgPZAG2m?= =?iso-8859-1?q?pOyQTRbER4fxSr+C+viAlaqedn0LTT4XM6POLQYjEnq1UAhOdvG56hLkw/5W?= =?iso-8859-1?q?NuPtQOyhEL9SNI7s0YOwf213vCNMajnI0EQJ3b+oowmBB5E1gAfI4xBEDV9Y?= =?iso-8859-1?q?V26Sjz9MIBG9ICF0ErIF2xyCMrMyeFF3k07gtkezku354mCDYY14vQXSYa3N?= =?iso-8859-1?q?BkGdw2axvPemGonwX0+7/ln1tjzJzz0L616jGO8AO74lghc8q6GS30bjXiRo?= =?iso-8859-1?q?fZ0J7pyA7vYrrgHwGfzK7m609e1Z5TJmU6ep31oRO+vWYxepkYtzBvE5o4uz?= =?iso-8859-1?q?6/nv/Cgev5mTPzpk1mP2MsYOKZ2mB3kPjBCtnLJ8DNBZTYs+MwTJ9zZjCfFq?= =?iso-8859-1?q?UIfHqmaUVZbxdex1OpIxaG5GKc?= x-microsoft-antispam-prvs: x-forefront-prvs: 094700CA91 x-forefront-antispam-report: SFV:NSPM; SFS:(10009020)(366004)(39860400002)(376002)(346002)(136003)(396003)(189003)(199004)(14454004)(86362001)(14444005)(2201001)(2616005)(2501003)(68736007)(50226002)(1076003)(256004)(15650500001)(8936002)(6116002)(6512007)(3846002)(478600001)(71190400001)(7736002)(71200400001)(66066001)(316002)(52116002)(110136005)(26005)(99286004)(6436002)(476003)(305945005)(25786009)(4326008)(4744005)(186003)(53936002)(6506007)(54906003)(97736004)(2906002)(386003)(7416002)(36756003)(81156014)(6486002)(8676002)(44832011)(106356001)(81166006)(102836004)(105586002)(486006); DIR:OUT; SFP:1101; SCL:1; SRVR:DB7PR04MB5323; H:DB7PR04MB4490.eurprd04.prod.outlook.com; FPR:; SPF:None; LANG:en; PTR:InfoNoRecords; MX:1; A:1; received-spf: None (protection.outlook.com: nxp.com does not designate permitted sender hosts) x-ms-exchange-senderadcheck: 1 x-microsoft-antispam-message-info: keXuUhSCRHnjqsaDDIWPMuGZNHiftCQITUuSwktacwMfrA6mX0JpXjhoy6KtQpet9f5eVZdjFhDxY0gx2LbsiMKOlSftQfyHFTRkQU1UEtunf1OwKgUmIT3ynQCTQI8Zt/rA1AYWYI9svFmtRZ6BF7o7fub6ZvTiihEOV0795DUx0nStOWj3eUNMFcqec2glQSGmI2t5KursrYHDMIWGRfJpeGDhu9cIXOeH1qn+q8bfSuu/AIMYDLH7xTevSJ6Vm4pl/Pn0o++cPwAtX889MRJw/8kn+qQzSB8VdQFBwCMkyUKFDghzlf9RE/y0O59rvk7DOo5sfTGMcHkoEuukL5mEBfxs1O3txDuu8+07iM8pGKq0BEEQTkJuh5PHhHCTicFt2jVFp3y8GXp6gw8kgu0xMkgsQ22Eogk4gDQ3fcI= MIME-Version: 1.0 X-OriginatorOrg: nxp.com X-MS-Exchange-CrossTenant-Network-Message-Id: 3cfa51da-d64b-4fed-c942-08d69196dbaa X-MS-Exchange-CrossTenant-originalarrivaltime: 13 Feb 2019 09:37:19.8231 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-id: 686ea1d3-bc2b-4c6f-a92c-d99c5c301635 X-MS-Exchange-Transport-CrossTenantHeadersStamped: DB7PR04MB5323 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190213_013730_762324_8867E94E X-CRM114-Status: GOOD ( 11.94 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: "van.freenix@gmail.com" , Peng Fan , "linux-kernel@vger.kernel.org" , "linux-arm-kernel@lists.infradead.org" Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP The comments has not been changed since the function introduced, but the function has been changed dramatically, so update the comments to reflect the code. Signed-off-by: Peng Fan Acked-by: Mark Rutland --- arch/arm64/mm/mmu.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/arch/arm64/mm/mmu.c b/arch/arm64/mm/mmu.c index d6b6f1b169bb..065202da3ad2 100644 --- a/arch/arm64/mm/mmu.c +++ b/arch/arm64/mm/mmu.c @@ -655,8 +655,8 @@ static void __init map_kernel(pgd_t *pgdp) } /* - * paging_init() sets up the page tables, initialises the zone memory - * maps and sets up the zero page. + * paging_init() sets up the page tables, switch ttbr1 from init_pg_dir + * to swapper_pg_dir, free init_pg_dir memblock and permit memblock resizing. */ void __init paging_init(void) {