From patchwork Sun Feb 16 08:18:30 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Mike Rapoport X-Patchwork-Id: 11384215 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 8B07D924 for ; Sun, 16 Feb 2020 08:18:58 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 619032086A for ; Sun, 16 Feb 2020 08:18:58 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1581841138; bh=uOm/w1LvbUniJRU6oBgmKsoo2r45zuKfYTZIlp+VEas=; h=From:To:Cc:Subject:Date:List-ID:From; b=R+IZz8xtjeWiEEK7zftO1eevE1X17sa78pas+p9m01u4/Evh+0CQ+THAK2RcLkcGM tAL0bkv2DA2y3S4qfjN8pog5rpYKoY1kSqXT9J553rhenxartzRNookHaZULgj9pRA AWSYH+CwFzVGYRBe6RQLu8tuNuHmep9nuUk3OIhI= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726171AbgBPIS6 (ORCPT ); Sun, 16 Feb 2020 03:18:58 -0500 Received: from mail.kernel.org ([198.145.29.99]:55808 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725926AbgBPIS5 (ORCPT ); Sun, 16 Feb 2020 03:18:57 -0500 Received: from aquarius.haifa.ibm.com (nesher1.haifa.il.ibm.com [195.110.40.7]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 6DFE8206E2; Sun, 16 Feb 2020 08:18:47 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1581841136; bh=uOm/w1LvbUniJRU6oBgmKsoo2r45zuKfYTZIlp+VEas=; h=From:To:Cc:Subject:Date:From; b=ypq+hzlSBgo7vT86/XBQ4S1ZCTw/nfY/YpzHJWYAJgU4W9vpVdIiTo4WBFLNVMWaa mEqd5SQZXKay8YUlKOrH1RnE0OOB9BYS2j2C7wKWxIhrDOoaqf93tmzYSMMHhaUfex v4qv2x5ntxN9kHpg/8qF9RTGzwDANyHfQEpVF5aw= From: Mike Rapoport To: linux-kernel@vger.kernel.org Cc: Andrew Morton , Arnd Bergmann , Benjamin Herrenschmidt , Brian Cain , Catalin Marinas , Christophe Leroy , Fenghua Yu , Geert Uytterhoeven , Guan Xuetao , James Morse , Jonas Bonn , Julien Thierry , Ley Foon Tan , Marc Zyngier , Michael Ellerman , Paul Mackerras , Rich Felker , Russell King , Stafford Horne , Stefan Kristiansson , Suzuki K Poulose , Tony Luck , Will Deacon , Yoshinori Sato , kvmarm@lists.cs.columbia.edu, kvm-ppc@vger.kernel.org, linux-arch@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-hexagon@vger.kernel.org, linux-ia64@vger.kernel.org, linux-mm@kvack.org, linuxppc-dev@lists.ozlabs.org, linux-sh@vger.kernel.org, nios2-dev@lists.rocketboards.org, openrisc@lists.librecores.org, uclinux-h8-devel@lists.sourceforge.jp, Mike Rapoport , Mike Rapoport Subject: [PATCH v2 00/13] mm: remove __ARCH_HAS_5LEVEL_HACK Date: Sun, 16 Feb 2020 10:18:30 +0200 Message-Id: <20200216081843.28670-1-rppt@kernel.org> X-Mailer: git-send-email 2.24.0 MIME-Version: 1.0 Sender: linux-sh-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-sh@vger.kernel.org From: Mike Rapoport Hi, These patches convert several architectures to use page table folding and remove __ARCH_HAS_5LEVEL_HACK along with include/asm-generic/5level-fixup.h. The changes are mostly about mechanical replacement of pgd accessors with p4d ones and the addition of higher levels to page table traversals. All the patches were sent separately to the respective arch lists and maintainers hence the "v2" prefix. Geert Uytterhoeven (1): sh: fault: Modernize printing of kernel messages Mike Rapoport (12): arm/arm64: add support for folded p4d page tables h8300: remove usage of __ARCH_USE_5LEVEL_HACK hexagon: remove __ARCH_USE_5LEVEL_HACK ia64: add support for folded p4d page tables nios2: add support for folded p4d page tables openrisc: add support for folded p4d page tables powerpc: add support for folded p4d page tables sh: drop __pXd_offset() macros that duplicate pXd_index() ones sh: add support for folded p4d page tables unicore32: remove __ARCH_USE_5LEVEL_HACK asm-generic: remove pgtable-nop4d-hack.h mm: remove __ARCH_HAS_5LEVEL_HACK and include/asm-generic/5level-fixup.h arch/arm/include/asm/kvm_mmu.h | 5 +- arch/arm/include/asm/pgtable.h | 1 - arch/arm/include/asm/stage2_pgtable.h | 15 +- arch/arm/lib/uaccess_with_memcpy.c | 9 +- arch/arm/mach-sa1100/assabet.c | 2 +- arch/arm/mm/dump.c | 29 ++- arch/arm/mm/fault-armv.c | 7 +- arch/arm/mm/fault.c | 28 ++- arch/arm/mm/idmap.c | 3 +- arch/arm/mm/init.c | 2 +- arch/arm/mm/ioremap.c | 12 +- arch/arm/mm/mm.h | 2 +- arch/arm/mm/mmu.c | 35 ++- arch/arm/mm/pgd.c | 40 +++- arch/arm64/include/asm/kvm_mmu.h | 10 +- arch/arm64/include/asm/pgalloc.h | 10 +- arch/arm64/include/asm/pgtable-types.h | 5 +- arch/arm64/include/asm/pgtable.h | 37 ++-- arch/arm64/include/asm/stage2_pgtable.h | 48 +++- arch/arm64/kernel/hibernate.c | 44 +++- arch/arm64/mm/fault.c | 9 +- arch/arm64/mm/hugetlbpage.c | 15 +- arch/arm64/mm/kasan_init.c | 26 ++- arch/arm64/mm/mmu.c | 52 +++-- arch/arm64/mm/pageattr.c | 7 +- arch/h8300/include/asm/pgtable.h | 1 - arch/hexagon/include/asm/fixmap.h | 4 +- arch/hexagon/include/asm/pgtable.h | 1 - arch/ia64/include/asm/pgalloc.h | 4 +- arch/ia64/include/asm/pgtable.h | 17 +- arch/ia64/mm/fault.c | 7 +- arch/ia64/mm/hugetlbpage.c | 18 +- arch/ia64/mm/init.c | 28 ++- arch/nios2/include/asm/pgtable.h | 3 +- arch/nios2/mm/fault.c | 9 +- arch/nios2/mm/ioremap.c | 6 +- arch/openrisc/include/asm/pgtable.h | 1 - arch/openrisc/mm/fault.c | 10 +- arch/openrisc/mm/init.c | 4 +- arch/powerpc/include/asm/book3s/32/pgtable.h | 1 - arch/powerpc/include/asm/book3s/64/hash.h | 4 +- arch/powerpc/include/asm/book3s/64/pgalloc.h | 4 +- arch/powerpc/include/asm/book3s/64/pgtable.h | 58 +++-- arch/powerpc/include/asm/book3s/64/radix.h | 6 +- arch/powerpc/include/asm/nohash/32/pgtable.h | 1 - arch/powerpc/include/asm/nohash/64/pgalloc.h | 2 +- .../include/asm/nohash/64/pgtable-4k.h | 32 +-- arch/powerpc/include/asm/nohash/64/pgtable.h | 6 +- arch/powerpc/include/asm/pgtable.h | 8 + arch/powerpc/kvm/book3s_64_mmu_radix.c | 59 ++++- arch/powerpc/lib/code-patching.c | 7 +- arch/powerpc/mm/book3s32/mmu.c | 2 +- arch/powerpc/mm/book3s32/tlb.c | 4 +- arch/powerpc/mm/book3s64/hash_pgtable.c | 4 +- arch/powerpc/mm/book3s64/radix_pgtable.c | 19 +- arch/powerpc/mm/book3s64/subpage_prot.c | 6 +- arch/powerpc/mm/hugetlbpage.c | 28 ++- arch/powerpc/mm/kasan/kasan_init_32.c | 8 +- arch/powerpc/mm/mem.c | 4 +- arch/powerpc/mm/nohash/40x.c | 4 +- arch/powerpc/mm/nohash/book3e_pgtable.c | 15 +- arch/powerpc/mm/pgtable.c | 25 ++- arch/powerpc/mm/pgtable_32.c | 28 ++- arch/powerpc/mm/pgtable_64.c | 10 +- arch/powerpc/mm/ptdump/hashpagetable.c | 20 +- arch/powerpc/mm/ptdump/ptdump.c | 22 +- arch/powerpc/xmon/xmon.c | 17 +- arch/sh/include/asm/pgtable-2level.h | 1 - arch/sh/include/asm/pgtable-3level.h | 1 - arch/sh/include/asm/pgtable_32.h | 5 +- arch/sh/include/asm/pgtable_64.h | 5 +- arch/sh/kernel/io_trapped.c | 7 +- arch/sh/mm/cache-sh4.c | 4 +- arch/sh/mm/cache-sh5.c | 7 +- arch/sh/mm/fault.c | 65 ++++-- arch/sh/mm/hugetlbpage.c | 28 ++- arch/sh/mm/init.c | 15 +- arch/sh/mm/kmap.c | 2 +- arch/sh/mm/tlbex_32.c | 6 +- arch/sh/mm/tlbex_64.c | 7 +- arch/unicore32/include/asm/pgtable.h | 1 - arch/unicore32/kernel/hibernate.c | 4 +- include/asm-generic/5level-fixup.h | 58 ----- include/asm-generic/pgtable-nop4d-hack.h | 64 ------ include/asm-generic/pgtable-nopud.h | 4 - include/linux/mm.h | 6 - mm/kasan/init.c | 11 - mm/memory.c | 8 - virt/kvm/arm/mmu.c | 209 +++++++++++++++--- 89 files changed, 988 insertions(+), 500 deletions(-) delete mode 100644 include/asm-generic/5level-fixup.h delete mode 100644 include/asm-generic/pgtable-nop4d-hack.h