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=-6.5 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 89E50C433F7 for ; Fri, 10 Jul 2020 13:57:44 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 5556B207BB for ; Fri, 10 Jul 2020 13:57:44 +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="oTblXaxx" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726950AbgGJN5O (ORCPT ); Fri, 10 Jul 2020 09:57:14 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:38914 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726496AbgGJN5N (ORCPT ); Fri, 10 Jul 2020 09:57:13 -0400 Received: from casper.infradead.org (casper.infradead.org [IPv6:2001:8b0:10b:1236::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 9FAA5C08C5CE; Fri, 10 Jul 2020 06:57:13 -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=B7pw9VB6Nltmz3Y300r/gUvA4/r7iQ5LJ7MRpv3euRQ=; b=oTblXaxxdMYgqzyWl/61AZfUDq Em+mmsEq18XABkt4HcXcqWCojruqtuYuxz6rz3NBC/ziJ4LGO/7YPle2SpO7EegE2OahG0RJozJDp cN2rl1cfIKXl8Mqrz0XeFQSpuKiMgg7sEZHL+zNVeV3nEdwB1msbLjIJefAgheb8Mz2Is7u+e8Xmh SVvKocawwCr6ZzS+T1LonpbkoIkdKnLTdtQxjaPg2tM0YXE99YPTrPxXryLHRWA1U3HO4lzRARAzo dLxfdpyGiAQP9HpENHCTYu0qkAeSfG2JOl+ysNpFHI5zuJ3oCZeObDLXAQY7MsDBbAST7AwT31I4p YvvW2EMg==; Received: from [2001:4bb8:188:5f50:c70:4a89:bc61:2] (helo=localhost) by casper.infradead.org with esmtpsa (Exim 4.92.3 #3 (Red Hat Linux)) id 1jttWV-0004gQ-6D; Fri, 10 Jul 2020 13:57:07 +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 Date: Fri, 10 Jul 2020 15:57:00 +0200 Message-Id: <20200710135706.537715-1-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. 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 | 12 ++++++------ 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 | 18 ++++++++---------- 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, 105 insertions(+), 98 deletions(-)