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 X-Spam-Level: X-Spam-Status: No, score=-6.8 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS,USER_AGENT_GIT autolearn=no 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 43FC0C433E0 for ; Tue, 14 Jul 2020 10:57:27 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 1F9CE22200 for ; Tue, 14 Jul 2020 10:57:27 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b="ckXveiKA" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727866AbgGNK5Z (ORCPT ); Tue, 14 Jul 2020 06:57:25 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:49266 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726352AbgGNK5Z (ORCPT ); Tue, 14 Jul 2020 06:57:25 -0400 Received: from casper.infradead.org (casper.infradead.org [IPv6:2001:8b0:10b:1236::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 01F32C061755; Tue, 14 Jul 2020 03:57:24 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=casper.20170209; h=Content-Transfer-Encoding:MIME-Version: Message-Id:Date:Subject:Cc:To:From:Sender:Reply-To:Content-Type:Content-ID: Content-Description:In-Reply-To:References; bh=QjLbdVL2r17ekhZyVULwOjBowlYS4Ek6fmzcrzp6+qM=; b=ckXveiKAmxhqd2uG+mC3yk5NdZ 1CaPppiRhZQ44Z943jG5+27ZkyVawPXW34uCC20nz/d8LwO1IiItolK1wDTb3YI1xiIShyF8CnXE4 hEHT0lqKgAM+SkJ3I8CMIlK4Hco8jqS1bZIS8D+gCenKpI/sPD9BcKxBZw4iexdYXPui6xyJUPsRN JPm6W+pmqYK9s02ucbyswztOwQl52ysQ9zbjYBlDCYE5naq6+sywq3wasRid1iTUCcejTEUO93o/P gjN8PbaKJYba7pEXm6ybtvmBhE4rcvAdP0jIj5KBbtPNx94p6SjYZtq+iA1Ifxl9zBP4Ug2yuf36y eziHGzJA==; Received: from 089144201169.atnat0010.highway.a1.net ([89.144.201.169] helo=localhost) by casper.infradead.org with esmtpsa (Exim 4.92.3 #3 (Red Hat Linux)) id 1jvIcf-0005s3-G7; Tue, 14 Jul 2020 10:57:17 +0000 From: Christoph Hellwig To: Nick Hu , Greentime Hu , Vincent Chen , Paul Walmsley , Palmer Dabbelt , Andrew Morton , Linus Torvalds Cc: linux-riscv@lists.infradead.org, linux-arch@vger.kernel.org, linux-kernel@vger.kernel.org Subject: clean up address limit helpers v2 Date: Tue, 14 Jul 2020 12:54:59 +0200 Message-Id: <20200714105505.935079-1-hch@lst.de> X-Mailer: git-send-email 2.26.2 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-SRS-Rewrite: SMTP reverse-path rewritten from by casper.infradead.org. See http://www.infradead.org/rpr.html Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi all, in preparation for eventually phasing out direct use of set_fs(), this series removes the segment_eq() arch helper that is only used to implement or duplicate the uaccess_kernel() API, and then adds descriptive helpers to force the kernel address limit. Changes since v1: - drop to incorrect hunks - fix a commit log typo Diffstat: arch/alpha/include/asm/uaccess.h | 2 +- arch/arc/include/asm/segment.h | 3 +-- arch/arm/include/asm/uaccess.h | 4 ++-- arch/arm64/include/asm/uaccess.h | 2 +- arch/arm64/kernel/sdei.c | 2 +- arch/csky/include/asm/segment.h | 2 +- arch/h8300/include/asm/segment.h | 2 +- arch/ia64/include/asm/uaccess.h | 2 +- arch/m68k/include/asm/segment.h | 2 +- arch/m68k/include/asm/tlbflush.h | 6 +++--- arch/microblaze/include/asm/uaccess.h | 2 +- arch/mips/include/asm/uaccess.h | 2 +- arch/mips/kernel/unaligned.c | 27 +++++++++++++-------------- arch/nds32/include/asm/uaccess.h | 2 +- arch/nds32/kernel/process.c | 2 +- arch/nds32/mm/alignment.c | 7 +++---- arch/nios2/include/asm/uaccess.h | 2 +- arch/openrisc/include/asm/uaccess.h | 2 +- arch/parisc/include/asm/uaccess.h | 2 +- arch/powerpc/include/asm/uaccess.h | 3 +-- arch/riscv/include/asm/uaccess.h | 6 +++--- arch/s390/include/asm/uaccess.h | 2 +- arch/sh/include/asm/segment.h | 3 +-- arch/sh/kernel/traps_32.c | 12 +++++------- arch/sparc/include/asm/uaccess_32.h | 2 +- arch/sparc/include/asm/uaccess_64.h | 2 +- arch/x86/include/asm/uaccess.h | 2 +- arch/xtensa/include/asm/uaccess.h | 2 +- drivers/firmware/arm_sdei.c | 5 ++--- fs/exec.c | 7 ++++++- include/asm-generic/uaccess.h | 4 ++-- include/linux/syscalls.h | 2 +- include/linux/uaccess.h | 20 ++++++++++++++++++-- kernel/events/callchain.c | 5 ++--- kernel/events/core.c | 5 ++--- kernel/exit.c | 2 +- kernel/kthread.c | 5 ++--- kernel/stacktrace.c | 5 ++--- mm/maccess.c | 22 ++++++++++------------ 39 files changed, 99 insertions(+), 92 deletions(-)