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=-10.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PULL_REQUEST,MAILING_LIST_MULTI, MENTIONS_GIT_HOSTING,SPF_HELO_NONE,SPF_PASS autolearn=ham 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 8E83CC433E0 for ; Mon, 1 Jun 2020 18:43:25 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 7338A206E2 for ; Mon, 1 Jun 2020 18:43:25 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731639AbgFASnY (ORCPT ); Mon, 1 Jun 2020 14:43:24 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:43162 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1731408AbgFASmm (ORCPT ); Mon, 1 Jun 2020 14:42:42 -0400 Received: from ZenIV.linux.org.uk (zeniv.linux.org.uk [IPv6:2002:c35c:fd02::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 9F555C03E96F; Mon, 1 Jun 2020 11:22:48 -0700 (PDT) Received: from viro by ZenIV.linux.org.uk with local (Exim 4.93 #3 (Red Hat Linux)) id 1jfp5B-001X6g-S9; Mon, 01 Jun 2020 18:22:46 +0000 Date: Mon, 1 Jun 2020 19:22:45 +0100 From: Al Viro To: Linus Torvalds Cc: linux-kernel@vger.kernel.org, linux-arch@vger.kernel.org Subject: [git pull] uaccess csum Message-ID: <20200601182245.GA23230@ZenIV.linux.org.uk> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Regularize the sitation with uaccess checksum primitives, fold csum_partial_... into csum_and_copy_..._user(), on x86 collapse several access_ok()/stac()/clac() into user_access_begin()/user_access_end() The following changes since commit 8f3d9f354286745c751374f5f1fcafee6b3f3136: Linux 5.7-rc1 (2020-04-12 12:35:55 -0700) are available in the git repository at: git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs.git uaccess.csum for you to fetch changes up to 001c1a655f0a4e4ebe5d9beb47466dc5c6ab4871: default csum_and_copy_to_user(): don't bother with access_ok() (2020-05-29 16:11:50 -0400) ---------------------------------------------------------------- Al Viro (15): get rid of csum_partial_copy_to_user() x86_64: csum_..._copy_..._user(): switch to unsafe_..._user() x86: switch both 32bit and 64bit to providing csum_and_copy_from_user() x86: switch 32bit csum_and_copy_to_user() to user_access_{begin,end}() ia64: csum_partial_copy_nocheck(): don't abuse csum_partial_copy_from_user() ia64: turn csum_partial_copy_from_user() into csum_and_copy_from_user() alpha: turn csum_partial_copy_from_user() into csum_and_copy_from_user() parisc: turn csum_partial_copy_from_user() into csum_and_copy_from_user() sparc: switch to providing csum_and_copy_from_user() xtensa: switch to providing csum_and_copy_from_user() m68k: convert to csum_and_copy_from_user() sh32: convert to csum_and_copy_from_user() arm: switch to csum_and_copy_from_user() take the dummy csum_and_copy_from_user() into net/checksum.h default csum_and_copy_to_user(): don't bother with access_ok() arch/alpha/include/asm/checksum.h | 3 ++- arch/alpha/lib/csum_partial_copy.c | 6 +++--- arch/arm/include/asm/checksum.h | 14 ++++++++++++++ arch/c6x/lib/checksum.c | 22 ---------------------- arch/ia64/include/asm/checksum.h | 10 ---------- arch/ia64/lib/csum_partial_copy.c | 32 ++------------------------------ arch/m68k/include/asm/checksum.h | 3 ++- arch/m68k/lib/checksum.c | 4 ++-- arch/nios2/include/asm/checksum.h | 2 -- arch/parisc/include/asm/checksum.h | 7 ------- arch/parisc/lib/checksum.c | 20 -------------------- arch/s390/include/asm/checksum.h | 19 ------------------- arch/sh/include/asm/checksum_32.h | 9 +++++++-- arch/sparc/include/asm/checksum.h | 1 + arch/sparc/include/asm/checksum_32.h | 15 ++++++++++----- arch/sparc/include/asm/checksum_64.h | 2 +- arch/x86/include/asm/checksum.h | 2 ++ arch/x86/include/asm/checksum_32.h | 21 +++++++++++---------- arch/x86/include/asm/checksum_64.h | 12 ++---------- arch/x86/lib/csum-wrappers_64.c | 35 ++++++++++++++++++----------------- arch/x86/um/asm/checksum.h | 20 -------------------- arch/xtensa/include/asm/checksum.h | 11 +++++++---- include/asm-generic/checksum.h | 9 --------- include/net/checksum.h | 14 ++++---------- lib/checksum.c | 20 -------------------- 25 files changed, 88 insertions(+), 225 deletions(-)