From patchwork Mon Nov 26 17:07:42 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Will Deacon X-Patchwork-Id: 152055 Delivered-To: patch@linaro.org Received: by 2002:a2e:299d:0:0:0:0:0 with SMTP id p29-v6csp92434ljp; Mon, 26 Nov 2018 09:08:36 -0800 (PST) X-Google-Smtp-Source: AFSGD/WEbNsLO1qoOUAtG+/amD/oj6FbQvmgRnql5apfeuONFptvRREODOxNBvx7yiZOYxWHlrXK X-Received: by 2002:a63:b94c:: with SMTP id v12mr25546782pgo.221.1543252115892; Mon, 26 Nov 2018 09:08:35 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1543252115; cv=none; d=google.com; s=arc-20160816; b=I7y2dmuyDWys3PbY/qW/CNHj7OH50ktTddJKgkfD/Lci1m6/MeiHYLSTrrg8fy4Obx SWMSlMMQ5270dYH/OxfhW3DLmOUmojmvARyrtqCcMNIxEoWFQnnGHAAZPQfcRWQVknza Wk4Tlyl3zzkzq9WIg69kq743QoTIfFSgMlGM1RnxKesz9ZwRdV1GMfkOjMjBUcrJPxW4 LQxGb+2/0oNrFEuPgOxwEwmP/maJ1u+h6OUFsWs2At7a+zHUD+iZYTXs5mqmdhxGliXc xoX+PlGTup99AzRQA2Dc1L3kdw6V4+ZQn9lYQSp1tOvIH3/GTDV9EJLjOhneastGrSTZ zRNA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:message-id:date:subject:cc:to:from; bh=txGc7MY61tg4GcBpXQ7cYfFd/ZI4Jm+8hcJyiWg6yag=; b=r6It7VX1tIWitUy2dRH4eGKdaTDD/Yz1Zl2v1yB4XUuNvpgQ75dW7Jd7okmdCemTuY EyvZdzM7eog5vuHs4KqLC79YwE7LCcwo4csay4HoyUgrJQ74ZDWt6FeoyxcNlSMWbAv3 g/lIG7V2dYnw7zSqWrotcAZFWI6EiL6uZTljpX02sZWFwAcUo8cIjiKMMnKRLCLrfwYZ 8bhfvdjYhojaNUb/sL9efBMWZ8c6nmw1ocw7xr6aoUN8YhWX5peiOwygJRWWRZq/5R+b ocbcn9YuKgdoyIaAs91GKbcl8po1Oid/YvN4m9AQsh7+5uk32hj7uKG7ejT4zaC6bFwQ jFAg== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id y25si809125pgl.226.2018.11.26.09.08.23; Mon, 26 Nov 2018 09:08:35 -0800 (PST) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726346AbeK0ECN (ORCPT + 32 others); Mon, 26 Nov 2018 23:02:13 -0500 Received: from usa-sjc-mx-foss1.foss.arm.com ([217.140.101.70]:42910 "EHLO foss.arm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726206AbeK0ECN (ORCPT ); Mon, 26 Nov 2018 23:02:13 -0500 Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.72.51.249]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id BB7B815AB; Mon, 26 Nov 2018 09:07:30 -0800 (PST) Received: from edgewater-inn.cambridge.arm.com (usa-sjc-imap-foss1.foss.arm.com [10.72.51.249]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPA id 8AD283F59C; Mon, 26 Nov 2018 09:07:30 -0800 (PST) Received: by edgewater-inn.cambridge.arm.com (Postfix, from userid 1000) id 0BBB21AE0839; Mon, 26 Nov 2018 17:07:47 +0000 (GMT) From: Will Deacon To: linux-kernel@vger.kernel.org, linux-mm@kvack.org Cc: cpandya@codeaurora.org, toshi.kani@hpe.com, tglx@linutronix.de, mhocko@suse.com, akpm@linux-foundation.org, sean.j.christopherson@intel.com, Will Deacon Subject: [PATCH v4 0/5] Clean up huge vmap and ioremap code Date: Mon, 26 Nov 2018 17:07:42 +0000 Message-Id: <1543252067-30831-1-git-send-email-will.deacon@arm.com> X-Mailer: git-send-email 2.1.4 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi all, This is version four of the patches I previously posted here: v1: http://lkml.kernel.org/r/1536747974-25875-1-git-send-email-will.deacon@arm.com v2: http://lkml.kernel.org/r/1538478363-16255-1-git-send-email-will.deacon@arm.com v3: http://lkml.kernel.org/r/1539188584-15819-1-git-send-email-will.deacon@arm.com The only change since v3 is a rebase onto v4.20-rc3, which was automatic. I would appreciate a review of patch 4. Sean, please could you take a quick look? Thanks, Will --->8 Will Deacon (5): ioremap: Rework pXd_free_pYd_page() API arm64: mmu: Drop pXd_present() checks from pXd_free_pYd_table() x86/pgtable: Drop pXd_none() checks from pXd_free_pYd_table() lib/ioremap: Ensure phys_addr actually corresponds to a physical address lib/ioremap: Ensure break-before-make is used for huge p4d mappings arch/arm64/mm/mmu.c | 13 +++--- arch/x86/mm/pgtable.c | 14 +++--- include/asm-generic/pgtable.h | 5 ++ lib/ioremap.c | 103 +++++++++++++++++++++++++++++------------- 4 files changed, 91 insertions(+), 44 deletions(-) -- 2.1.4