From patchwork Thu Aug 12 06:59:05 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Mike Rapoport X-Patchwork-Id: 496085 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-14.7 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, INCLUDES_PATCH, MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id AEFA9C432BE for ; Thu, 12 Aug 2021 06:59:22 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 9262261077 for ; Thu, 12 Aug 2021 06:59:22 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232611AbhHLG7q (ORCPT ); Thu, 12 Aug 2021 02:59:46 -0400 Received: from mail.kernel.org ([198.145.29.99]:57006 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230323AbhHLG7p (ORCPT ); Thu, 12 Aug 2021 02:59:45 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id F24AA601FD; Thu, 12 Aug 2021 06:59:11 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1628751560; bh=YFMZTccB6r2mQUHMX3e0DwUnA6yRsuYhah5UQoES2qE=; h=From:To:Cc:Subject:Date:From; b=gqDKL6oFAWPfl+qrvP4ICkIiJuTj0zB5TnIo9v2jyftPMcesd9mebeUTOENH/WF4R PBfqCrnjEHgRHt0O1dyCISfhSxmredSB9XxmW1Ns603miZy037IV2h2edGI81ldDzY NqgDtvGktsfZul6wLbLg1Tgj9dX32EjsY3bdIRoj49WsQpGFdC5ZMg6zFcqteaJDkt 0uruPXpJRVzqwUCwDkAf6p3Y7H3f580IbJRG6NdyUWhatq3Gxbuq0XxYssVS/sjhOA hChRFrKVbGxFTcFqXajSbSnyBDOxjDPh7zY8Sk+z4WzAiR3GMcSU98BQ+MjV7C6G/L np4VR2Z/7QAFw== From: Mike Rapoport To: Andrew Morton Cc: Albert Ou , Andy Lutomirski , Borislav Petkov , Catalin Marinas , Christian Borntraeger , Dave Hansen , Frank Rowand , Greg Kroah-Hartman , Guenter Roeck , "H. Peter Anvin" , Heiko Carstens , Ingo Molnar , "Kirill A. Shutemov" , Len Brown , Marc Zyngier , Mike Rapoport , Mike Rapoport , Palmer Dabbelt , Paul Walmsley , Peter Zijlstra , "Rafael J. Wysocki" , Rob Herring , Russell King , Thomas Bogendoerfer , Thomas Gleixner , Vasily Gorbik , Will Deacon , devicetree@vger.kernel.org, kvmarm@lists.cs.columbia.edu, linux-acpi@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-mips@vger.kernel.org, linux-mm@kvack.org, linux-riscv@lists.infradead.org, linux-s390@vger.kernel.org, x86@kernel.org Subject: [PATCH v4 0/2] memblock: make memblock_find_in_range method private Date: Thu, 12 Aug 2021 09:59:05 +0300 Message-Id: <20210812065907.20046-1-rppt@kernel.org> X-Mailer: git-send-email 2.28.0 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-acpi@vger.kernel.org From: Mike Rapoport Hi, This is v4 of "memblock: make memblock_find_in_range method private" patch that essentially replaces memblock_find_in_range() + memblock_reserve() calls with equivalent calls to memblock_phys_alloc() and prevents usage of memblock_find_in_range() outside memblock itself. The patch uncovered an issue with top down memory mapping on x86 and this version has a preparation patch that addresses this issue. Guenter, I didn't add your Tested-by because the patch that addresses the crashes differs from the one you've tested. v4: * Add patch that prevents the crashes reported by Guenter Roeck on x86/i386 on QEMU with 256M or 512M of memory and EFI boot enabled. * Add Acked-by and Reviewed-by, thanks everybidy! v3: https://lore.kernel.org/lkml/20210803064218.6611-1-rppt@kernel.org * simplify check for exact crash kerenl allocation on arm, per Rob * make crash_max unsigned long long on arm64, per Rob v2: https://lore.kernel.org/lkml/20210802063737.22733-1-rppt@kernel.org * don't change error message in arm::reserve_crashkernel(), per Russell v1: https://lore.kernel.org/lkml/20210730104039.7047-1-rppt@kernel.org Mike Rapoport (2): x86/mm: memory_map_top_down: remove spurious reservation of upper 2M memblock: make memblock_find_in_range method private arch/arm/kernel/setup.c | 20 +++++--------- arch/arm64/kvm/hyp/reserved_mem.c | 9 +++---- arch/arm64/mm/init.c | 36 ++++++++----------------- arch/mips/kernel/setup.c | 14 +++++----- arch/riscv/mm/init.c | 44 ++++++++++--------------------- arch/s390/kernel/setup.c | 10 ++++--- arch/x86/kernel/aperture_64.c | 5 ++-- arch/x86/mm/init.c | 27 +++++++------------ arch/x86/mm/numa.c | 5 ++-- arch/x86/mm/numa_emulation.c | 5 ++-- arch/x86/realmode/init.c | 2 +- drivers/acpi/tables.c | 5 ++-- drivers/base/arch_numa.c | 5 +--- drivers/of/of_reserved_mem.c | 12 ++++++--- include/linux/memblock.h | 2 -- mm/memblock.c | 2 +- 16 files changed, 76 insertions(+), 127 deletions(-) base-commit: ff1176468d368232b684f75e82563369208bc371