From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by smtp.lore.kernel.org (Postfix) with ESMTP id A4EB1C46CD3 for ; Sun, 24 Dec 2023 15:16:22 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 92BB56B0071; Sun, 24 Dec 2023 10:16:21 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id 8B42C6B0072; Sun, 24 Dec 2023 10:16:21 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 72F846B0074; Sun, 24 Dec 2023 10:16:21 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0010.hostedemail.com [216.40.44.10]) by kanga.kvack.org (Postfix) with ESMTP id 5A4816B0071 for ; Sun, 24 Dec 2023 10:16:21 -0500 (EST) Received: from smtpin15.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay06.hostedemail.com (Postfix) with ESMTP id 23B23A140B for ; Sun, 24 Dec 2023 15:16:21 +0000 (UTC) X-FDA: 81602062962.15.9FE02C5 Received: from mail-pf1-f179.google.com (mail-pf1-f179.google.com [209.85.210.179]) by imf25.hostedemail.com (Postfix) with ESMTP id 66947A0014 for ; Sun, 24 Dec 2023 15:16:19 +0000 (UTC) Authentication-Results: imf25.hostedemail.com; dkim=pass header.d=gmail.com header.s=20230601 header.b=RgUx85qz; spf=pass (imf25.hostedemail.com: domain of skseofh@gmail.com designates 209.85.210.179 as permitted sender) smtp.mailfrom=skseofh@gmail.com; dmarc=pass (policy=none) header.from=gmail.com ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1703430979; h=from:from:sender:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-type:content-transfer-encoding:in-reply-to: references:dkim-signature; bh=DBCO6W3tq9qWtdd8yzUslOfOis0biMm+6hpcmS03QYo=; b=a+Wa9I687eDVMDE33sI5LcbI03MjeqbaqNlHJzI3WOJRsHYK6VVufPTpm4y0Vzrq5hmemE KVseWellWH8x/opx1UR9+L1kM6k0QOq4LgKRafRtqPPtUDKJgqfTJHHaj6f7qmbZlUVObZ wRewfYpux+1U1SYox5IgJJ7acIeQV8s= ARC-Authentication-Results: i=1; imf25.hostedemail.com; dkim=pass header.d=gmail.com header.s=20230601 header.b=RgUx85qz; spf=pass (imf25.hostedemail.com: domain of skseofh@gmail.com designates 209.85.210.179 as permitted sender) smtp.mailfrom=skseofh@gmail.com; dmarc=pass (policy=none) header.from=gmail.com ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1703430979; a=rsa-sha256; cv=none; b=pw0CavN1DnaNIHwG70T6CvTn0bEqp/aXFOH1T2CKCVupCE7WxAenL1GlEA2D9RdQWW84wh 4ehbjnlJRgkgKdzInWBXUDNG5diOWULrAiQYH/7QB5JQFrhOOWms8oM9oelqCG+fcSyC3U 91UmzdUWABl8awB2m/hSKyXtF9QEBgU= Received: by mail-pf1-f179.google.com with SMTP id d2e1a72fcca58-6d9a795cffbso455435b3a.0 for ; Sun, 24 Dec 2023 07:16:19 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1703430978; x=1704035778; darn=kvack.org; h=content-disposition:mime-version:message-id:subject:cc:to:from:date :from:to:cc:subject:date:message-id:reply-to; bh=DBCO6W3tq9qWtdd8yzUslOfOis0biMm+6hpcmS03QYo=; b=RgUx85qzXppw95gI8bCFC0h1FPk4r5g/4cMOyhFwmD4NYrzorwzaiWnJjre0MF+eDx bwz1Rr5ZhdYHpXpcsrQCx9k7/C1HrcpYkQYJldtHfMgTPn44xEOwEKcSFu32QvBP7RBc I0trVjyYx8jT2iJsak06y5Z59kckwtr1BjdQEobdVlCv3rRzbo6B6pKVAI34slmY4bQb 9W75okIYtVEfAJbTrnHxH1jh/HQHSA6MQLwB6Kv92sugHSgEQUzUVZzERu9hiE3qElv3 y5zV34hSe7podDgCanIO1ZsKvaRRXJppVThD02Uwh7EHibGZymY+FCDjzNAeyQOabzOg vl/Q== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1703430978; x=1704035778; h=content-disposition:mime-version:message-id:subject:cc:to:from:date :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=DBCO6W3tq9qWtdd8yzUslOfOis0biMm+6hpcmS03QYo=; b=MVi8dTOA8HnnVcUffAQE0irbu9xqBy4i9E1kgjhyOVJPvftmUzttC+pUlIZLqq5UKx Fejvxf7Fctl0DgAr/WjF7SJ+ywrttzQhB5PHGQMLMeEDgYJo7nb6WW8bDv55hDKJfTwp xw53u0jo55AkfMPIOx3YvKS0dft4DZVPXxaLuPsBTY2FNQvK1o+1y4petjBHAR1QJOfS v5Nirpwigs/TBPI8gSzxZkxGz3zKRmuIMyByY2wTBp+bpVNWTBSftytjpUEW+kWP/wou /PvWE62woyCdQ0XQEUXVrBIHWUNDKwulQQN/VnfgwWOJO1GBIS0O8A7OtCrGcqMzKLsa j44g== X-Gm-Message-State: AOJu0YzwtSQPalXUL619Cknwcc1N79waSEunWE41z/RBefqSdp7lOfB8 OD0/gznYbGY5fqaVL9g30nuINaYeoNg= X-Google-Smtp-Source: AGHT+IFwD9vM+kjgo/7uxLRBuXZE59R3zVhsq+8a81qlbKJMueYdhuNL2nZk9Ib8/9NelyGvqYqX1A== X-Received: by 2002:a05:6a00:4682:b0:6d9:ad32:ec15 with SMTP id de2-20020a056a00468200b006d9ad32ec15mr1510236pfb.4.1703430977936; Sun, 24 Dec 2023 07:16:17 -0800 (PST) Received: from daerolee-Swift-SF316-51 ([49.142.40.215]) by smtp.gmail.com with ESMTPSA id y8-20020aa793c8000000b006d9a1812e35sm2560423pff.119.2023.12.24.07.16.16 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 24 Dec 2023 07:16:17 -0800 (PST) Date: Mon, 25 Dec 2023 00:16:12 +0900 From: Daero Lee To: mark.rutland@arm.com Cc: linux-mm@kvack.org Subject: Question about mapping FIX_P*D Message-ID: <20231224151612.GA1132393@daerolee-Swift-SF316-51> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline X-Rspamd-Queue-Id: 66947A0014 X-Rspam-User: X-Stat-Signature: s1w616xdac7qczyeqhem1cd816btrqnn X-Rspamd-Server: rspam01 X-HE-Tag: 1703430979-135167 X-HE-Meta: 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 fbLBfZr7 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 X-Bogosity: Ham, tests=bogofilter, spamicity=0.033234, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: Hello Mark I have a question about your patch related to FIX_P*D mapping. (f4710445458c0a1bd1c3c014ada2e7d7dc7b882f) I understand it maps using bm_p*d to mapping FIX_P*D in fixmap_remap_fdt(). But in early_fdt_map(), we already maps all fixmap region using bm_p*d. My question is, 'Do we really need using FIX_P*D to remap the FIX_FDT?'. My guess is that it uses a previously written function. Functianlly, nothing has changed. I think we can just use bm_p*d, then it can save the time mapping FIX_P*D. Could I get your opinion about this? Regards, Daero Lee