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=-8.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS autolearn=unavailable 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 EECA0C433DB for ; Wed, 10 Mar 2021 17:57:44 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id B4FF664FAB for ; Wed, 10 Mar 2021 17:57:44 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231857AbhCJR5N (ORCPT ); Wed, 10 Mar 2021 12:57:13 -0500 Received: from pegase1.c-s.fr ([93.17.236.30]:25115 "EHLO pegase1.c-s.fr" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231396AbhCJR5C (ORCPT ); Wed, 10 Mar 2021 12:57:02 -0500 Received: from localhost (mailhub1-int [192.168.12.234]) by localhost (Postfix) with ESMTP id 4Dwfsl0t1dz9tytV; Wed, 10 Mar 2021 18:56:59 +0100 (CET) X-Virus-Scanned: Debian amavisd-new at c-s.fr Received: from pegase1.c-s.fr ([192.168.12.234]) by localhost (pegase1.c-s.fr [192.168.12.234]) (amavisd-new, port 10024) with ESMTP id I1EXGECxpNsE; Wed, 10 Mar 2021 18:56:59 +0100 (CET) Received: from messagerie.si.c-s.fr (messagerie.si.c-s.fr [192.168.25.192]) by pegase1.c-s.fr (Postfix) with ESMTP id 4Dwfsk6Bl4z9tytT; Wed, 10 Mar 2021 18:56:58 +0100 (CET) Received: from localhost (localhost [127.0.0.1]) by messagerie.si.c-s.fr (Postfix) with ESMTP id 95A8A8B78D; Wed, 10 Mar 2021 18:57:00 +0100 (CET) X-Virus-Scanned: amavisd-new at c-s.fr Received: from messagerie.si.c-s.fr ([127.0.0.1]) by localhost (messagerie.si.c-s.fr [127.0.0.1]) (amavisd-new, port 10023) with ESMTP id 918SWz6Z3lvi; Wed, 10 Mar 2021 18:57:00 +0100 (CET) Received: from po16121vm.idsi0.si.c-s.fr (unknown [192.168.4.90]) by messagerie.si.c-s.fr (Postfix) with ESMTP id 1A3148B77E; Wed, 10 Mar 2021 18:57:00 +0100 (CET) Received: by po16121vm.idsi0.si.c-s.fr (Postfix, from userid 0) id 748F26756B; Wed, 10 Mar 2021 17:56:59 +0000 (UTC) Message-Id: From: Christophe Leroy Subject: [PATCH v1 0/8] Miscellaneous user access improvement To: Benjamin Herrenschmidt , Paul Mackerras , Michael Ellerman Cc: linux-kernel@vger.kernel.org, linuxppc-dev@lists.ozlabs.org Date: Wed, 10 Mar 2021 17:56:59 +0000 (UTC) Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Patches 1-3 are cleaning parts of uaccess.h not related to put_user/get_user Patch 4 removes some usage of consecutives __get_user Patches 5 rewrite __patch_instruction to not use uaccess.h internals. Patches 6-8 switch some parts of code to user_access_begin/end blocks All patches are independant. Christophe Leroy (8): powerpc/uaccess: Also perform 64 bits copies in unsafe_copy_to_user() on ppc32 powerpc/uaccess: Swap clear_user() and __clear_user() powerpc/uaccess: Move copy_mc_xxx() functions down powerpc/syscalls: Use sys_old_select() in ppc_select() powerpc/lib: Don't use __put_user_asm_goto() outside of uaccess.h powerpc/net: Switch csum_and_copy_{to/from}_user to user_access block powerpc/futex: Switch to user_access block powerpc/ptrace: Convert gpr32_set_common() to user access block arch/powerpc/include/asm/futex.h | 12 ++-- arch/powerpc/include/asm/ptrace.h | 2 +- arch/powerpc/include/asm/uaccess.h | 75 ++++++++++++------------ arch/powerpc/include/asm/unistd.h | 1 + arch/powerpc/kernel/ptrace/ptrace-view.c | 30 ++++++---- arch/powerpc/kernel/syscalls.c | 12 +--- arch/powerpc/lib/checksum_wrappers.c | 15 ++--- arch/powerpc/lib/code-patching.c | 13 ++-- 8 files changed, 77 insertions(+), 83 deletions(-) -- 2.25.0 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=-8.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,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 71B14C433DB for ; Wed, 10 Mar 2021 17:57:25 +0000 (UTC) Received: from lists.ozlabs.org (lists.ozlabs.org [112.213.38.117]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 0021664FAB for ; Wed, 10 Mar 2021 17:57:24 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 0021664FAB Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=csgroup.eu Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Received: from boromir.ozlabs.org (localhost [IPv6:::1]) by lists.ozlabs.org (Postfix) with ESMTP id 4DwftC4t9Xz3cPD for ; Thu, 11 Mar 2021 04:57:23 +1100 (AEDT) Authentication-Results: lists.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=csgroup.eu (client-ip=93.17.236.30; helo=pegase1.c-s.fr; envelope-from=christophe.leroy@csgroup.eu; receiver=) Received: from pegase1.c-s.fr (pegase1.c-s.fr [93.17.236.30]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 4Dwfst2kttz30Ql for ; Thu, 11 Mar 2021 04:57:03 +1100 (AEDT) Received: from localhost (mailhub1-int [192.168.12.234]) by localhost (Postfix) with ESMTP id 4Dwfsl0t1dz9tytV; Wed, 10 Mar 2021 18:56:59 +0100 (CET) X-Virus-Scanned: Debian amavisd-new at c-s.fr Received: from pegase1.c-s.fr ([192.168.12.234]) by localhost (pegase1.c-s.fr [192.168.12.234]) (amavisd-new, port 10024) with ESMTP id I1EXGECxpNsE; Wed, 10 Mar 2021 18:56:59 +0100 (CET) Received: from messagerie.si.c-s.fr (messagerie.si.c-s.fr [192.168.25.192]) by pegase1.c-s.fr (Postfix) with ESMTP id 4Dwfsk6Bl4z9tytT; Wed, 10 Mar 2021 18:56:58 +0100 (CET) Received: from localhost (localhost [127.0.0.1]) by messagerie.si.c-s.fr (Postfix) with ESMTP id 95A8A8B78D; Wed, 10 Mar 2021 18:57:00 +0100 (CET) X-Virus-Scanned: amavisd-new at c-s.fr Received: from messagerie.si.c-s.fr ([127.0.0.1]) by localhost (messagerie.si.c-s.fr [127.0.0.1]) (amavisd-new, port 10023) with ESMTP id 918SWz6Z3lvi; Wed, 10 Mar 2021 18:57:00 +0100 (CET) Received: from po16121vm.idsi0.si.c-s.fr (unknown [192.168.4.90]) by messagerie.si.c-s.fr (Postfix) with ESMTP id 1A3148B77E; Wed, 10 Mar 2021 18:57:00 +0100 (CET) Received: by po16121vm.idsi0.si.c-s.fr (Postfix, from userid 0) id 748F26756B; Wed, 10 Mar 2021 17:56:59 +0000 (UTC) Message-Id: From: Christophe Leroy Subject: [PATCH v1 0/8] Miscellaneous user access improvement To: Benjamin Herrenschmidt , Paul Mackerras , Michael Ellerman Date: Wed, 10 Mar 2021 17:56:59 +0000 (UTC) X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org Errors-To: linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Sender: "Linuxppc-dev" Patches 1-3 are cleaning parts of uaccess.h not related to put_user/get_user Patch 4 removes some usage of consecutives __get_user Patches 5 rewrite __patch_instruction to not use uaccess.h internals. Patches 6-8 switch some parts of code to user_access_begin/end blocks All patches are independant. Christophe Leroy (8): powerpc/uaccess: Also perform 64 bits copies in unsafe_copy_to_user() on ppc32 powerpc/uaccess: Swap clear_user() and __clear_user() powerpc/uaccess: Move copy_mc_xxx() functions down powerpc/syscalls: Use sys_old_select() in ppc_select() powerpc/lib: Don't use __put_user_asm_goto() outside of uaccess.h powerpc/net: Switch csum_and_copy_{to/from}_user to user_access block powerpc/futex: Switch to user_access block powerpc/ptrace: Convert gpr32_set_common() to user access block arch/powerpc/include/asm/futex.h | 12 ++-- arch/powerpc/include/asm/ptrace.h | 2 +- arch/powerpc/include/asm/uaccess.h | 75 ++++++++++++------------ arch/powerpc/include/asm/unistd.h | 1 + arch/powerpc/kernel/ptrace/ptrace-view.c | 30 ++++++---- arch/powerpc/kernel/syscalls.c | 12 +--- arch/powerpc/lib/checksum_wrappers.c | 15 ++--- arch/powerpc/lib/code-patching.c | 13 ++-- 8 files changed, 77 insertions(+), 83 deletions(-) -- 2.25.0