Received: by 2002:a05:6902:102b:0:0:0:0 with SMTP id x11csp561728ybt; Fri, 10 Jul 2020 06:58:52 -0700 (PDT) X-Google-Smtp-Source: ABdhPJxyD4dSQArdiHc07dO4k9VyjTUAUCYH4lgK9fcMXXgEu4mFaxBDrLxwZxbundj5I5Vj6WuE X-Received: by 2002:aa7:c442:: with SMTP id n2mr66739830edr.309.1594389531993; Fri, 10 Jul 2020 06:58:51 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1594389531; cv=none; d=google.com; s=arc-20160816; b=oN2oB6qWbr0SLVBz92OXp5MLH+euwzA5JqKPX481Iyg6kppyvlU+LFqOxsvhCX28sa tEt6BH6buPtvqpiliz7sZe7dAODMQYMbNE7xhoExww4L/z72tjaztVsbp6snGFLJyBl+ +/59QRUxB4mF094ZqGjnS7W+ruVkX6mjWizovBlIvx6dyZWyT1yuqG15ba8TZ7aSlWdg W0Dlp53e4ar4w6XSP8sr45797ePHXM3/HwFb/aZgwOiC3hENhV2cHxhlbgI9wp0t7a5x NTou2IOuKaexlezJ4tRB8O0mefl6bnvA6Z9AA4aTfuCT2G/94Ax454i5g9W+O8IbLHqA HLJQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:content-transfer-encoding:mime-version :message-id:date:subject:cc:to:from:dkim-signature; bh=B7pw9VB6Nltmz3Y300r/gUvA4/r7iQ5LJ7MRpv3euRQ=; b=P/KU/JudCuH90Sbhpx6Uc/N6qML50D674WS1TSS2vSByjrTqZYOGGfn2+POUuiO0Ve rgVkvtz7vZ7uoE0I3+HgVF+8/HQkoqKjmYYXYVEVRDUuYJhF5Uo6YJyYFw6bozjSUPFw DnWzxch3oC15tgTbyVh2KVA08pkgeS2iMhMYeCPB4rrPl5t+TxqZ18n6qX24jBrANocF OyXMrm6xSXC7L+2kz32yqiITbzAeHzIsWCW8aPMwziKDEj2S8J9I5/UpNcaXB28aIJZq p7XZxJVxJ2gdmkQqn4FA4Qc5UqDnXZy40TX6LDewTYivN1rjXeh5xGldac1Pm08DVzdG XQ3g== ARC-Authentication-Results: i=1; mx.google.com; dkim=fail header.i=@infradead.org header.s=casper.20170209 header.b=oTblXaxx; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id w10si4264283ejv.383.2020.07.10.06.58.28; Fri, 10 Jul 2020 06:58:51 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; dkim=fail header.i=@infradead.org header.s=casper.20170209 header.b=oTblXaxx; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726920AbgGJN5O (ORCPT + 99 others); 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(-)