Message ID | 20210720150950.3669610-1-arnd@kernel.org (mailing list archive) |
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Headers | show
Return-Path: <SRS0=8gqr=MM=lists.infradead.org=linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@kernel.org> 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=-13.5 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT 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 C2556C636C8 for <linux-arm-kernel@archiver.kernel.org>; Tue, 20 Jul 2021 15:12:44 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (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 8451D610A0 for <linux-arm-kernel@archiver.kernel.org>; Tue, 20 Jul 2021 15:12:44 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 8451D610A0 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=kernel.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:Message-Id:Date:Subject:Cc :To:From:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:In-Reply-To:References: List-Owner; bh=gbh4iHIT4R+6mZmjw+WbExVggxSI2idp9WRzBhDJbjo=; b=vY4VHoH7t8xvH9 tLXBv/1FJZjIESk3odKV956fy/xc5653T+8VD4m7yoMQ3bOu1YHdcO1CoM36GWEajfaTKaW04FjdM cpevIwd+SLo2a8OJdQHAg1VvcphizjQEowFKn/bp3tWvg+6ZULqXC6pL1nsG2oY5Fw8/fW3luF/KF XIR6QVUwqXnhZaBiDl5Tae87/mS7PJF93uiZzbaOz+4jDantjpkdPu6/ndesJTtNSVhGgPS/UNmba wBKIb9g+BAtlQpMjSML3Wnfe/Jqs9ShX6RwLlxLZDKiNrHbNs3YaZMQb0Kf1ypnJUdeki4ja7lvZQ y4KKGMU1TsC+hnRzFmqg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1m5rOL-00DMYB-81; Tue, 20 Jul 2021 15:10:41 +0000 Received: from mail.kernel.org ([198.145.29.99]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1m5rNf-00DMMY-3x; Tue, 20 Jul 2021 15:10:00 +0000 Received: by mail.kernel.org (Postfix) with ESMTPSA id C831261009; Tue, 20 Jul 2021 15:09:55 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1626793798; bh=0ftlNhQC5zX39Pp6c6oQeEbeKpMs33orrDCC3oWnehk=; h=From:To:Cc:Subject:Date:From; b=Ujuk6myyjpUAQdS3/sLzDpjpfPv7BKz1QCj0sf8kmzBRK+6ORPzNmIo2tH9FH5ZUg dqqY+vi2LY0wm6lVmCuQqyQUKAns8Q6ucdNyMCarp1ksm1DA+I/NNkTu381i5YvgIa ONkNKWgXkrCVbeh376Uy+6h8151Iy9iWMxcXlyG+WixGnJVexCVwrSvzPsCKVAsDY0 BTUi29CNxb8NkTNCc1r6GwAG7cuslfUf/Lpb/OAYAywz4Hl3kcleo8bclZpyQ25AWn N9pZAylKCNCK8tM6fjRtxA8iMrmnybJGuSEvL6YJBeovNW3+H86JSHiEzRORIR45EQ 29lvm8+jOTRJA== From: Arnd Bergmann <arnd@kernel.org> To: linux-arch@vger.kernel.org Cc: Arnd Bergmann <arnd@arndb.de>, Christoph Hellwig <hch@infradead.org>, Alexander Viro <viro@zeniv.linux.org.uk>, Andrew Morton <akpm@linux-foundation.org>, Borislav Petkov <bp@alien8.de>, Brian Gerst <brgerst@gmail.com>, Eric Biederman <ebiederm@xmission.com>, Ingo Molnar <mingo@kernel.org>, "H. Peter Anvin" <hpa@zytor.com>, Thomas Gleixner <tglx@linutronix.de>, Linux ARM <linux-arm-kernel@lists.infradead.org>, linux-kernel@vger.kernel.org, Linux-MM <linux-mm@kvack.org>, kexec@lists.infradead.org Subject: [PATCH v4 0/4] compat: remove compat_alloc_user_space callers Date: Tue, 20 Jul 2021 17:09:46 +0200 Message-Id: <20210720150950.3669610-1-arnd@kernel.org> X-Mailer: git-send-email 2.29.2 MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210720_080959_249349_0A3473F9 X-CRM114-Status: GOOD ( 15.57 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: <linux-arm-kernel.lists.infradead.org> List-Unsubscribe: <http://lists.infradead.org/mailman/options/linux-arm-kernel>, <mailto:linux-arm-kernel-request@lists.infradead.org?subject=unsubscribe> List-Archive: <http://lists.infradead.org/pipermail/linux-arm-kernel/> List-Post: <mailto:linux-arm-kernel@lists.infradead.org> List-Help: <mailto:linux-arm-kernel-request@lists.infradead.org?subject=help> List-Subscribe: <http://lists.infradead.org/mailman/listinfo/linux-arm-kernel>, <mailto:linux-arm-kernel-request@lists.infradead.org?subject=subscribe> Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" <linux-arm-kernel-bounces@lists.infradead.org> Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org |
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compat: remove compat_alloc_user_space callers
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From: Arnd Bergmann <arnd@arndb.de> Going through compat_alloc_user_space() to convert indirect system call arguments tends to add complexity compared to handling the native and compat logic in the same code. The drivers/media portion of the longer series is already merged, and I just resubmitted the net/core and drivers/net portions, so this is the last main bit. Arnd --- Changes in v4: - Rebase to v5.14-rc2 - Replace the kexec patch with a version based on Eric Biederman's prototype Changes in v3: - fix whitespace as pointed out by Christoph Hellwig - minor build fixes - rebase to v5.13-rc1 Link: https://lore.kernel.org/lkml/20210517203343.3941777-1-arnd@kernel.org/ Changes in v2: - address review comments from Christoph Hellwig - split syscall removal into a separate patch - replace __X32_COND_SYSCALL() with individual macros for x32 Link: https://lore.kernel.org/lkml/20201208150614.GA15765@infradead.org/ Arnd Bergmann (4): kexec: avoid compat_alloc_user_space mm: simplify compat_sys_move_pages mm: simplify compat numa syscalls compat: remove some compat entry points arch/arm64/include/asm/unistd32.h | 10 +- arch/mips/kernel/syscalls/syscall_n32.tbl | 10 +- arch/mips/kernel/syscalls/syscall_o32.tbl | 10 +- arch/parisc/kernel/syscalls/syscall.tbl | 8 +- arch/powerpc/kernel/syscalls/syscall.tbl | 10 +- arch/s390/kernel/syscalls/syscall.tbl | 10 +- arch/sparc/kernel/syscalls/syscall.tbl | 10 +- arch/x86/entry/syscalls/syscall_32.tbl | 4 +- arch/x86/entry/syscalls/syscall_64.tbl | 2 +- include/linux/compat.h | 37 +--- include/uapi/asm-generic/unistd.h | 10 +- kernel/kexec.c | 116 ++++++------- kernel/sys_ni.c | 5 - mm/mempolicy.c | 196 +++++----------------- mm/migrate.c | 50 +++--- 15 files changed, 182 insertions(+), 306 deletions(-)