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=-3.5 required=3.0 tests=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 4099CC433DF for ; Thu, 28 May 2020 05:40:53 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 1707920C56 for ; Thu, 28 May 2020 05:40:53 +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="uz5if4/h" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727854AbgE1Fkw (ORCPT ); Thu, 28 May 2020 01:40:52 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:44664 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725984AbgE1Fkw (ORCPT ); Thu, 28 May 2020 01:40:52 -0400 Received: from bombadil.infradead.org (bombadil.infradead.org [IPv6:2607:7c80:54:e::133]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 17F65C08C5C2; Wed, 27 May 2020 22:40:52 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=bombadil.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=09LJUpm7nzPF/bKa8M2EEZqKf+9ZsGOUceQSna/ydV4=; b=uz5if4/hZ2k5rJTNIi7csXxqo1 dmt5Q8gaNaUEb05QEp8Q8zINfhQREVRBgCTHBibgQWnZX/cg2MXif06uI6mKBaLu+4gCF++2oOxM0 /KPputfDenY4oEe63fLhR3qlWVwX3uPEjF2g76Fxb6ZX8wJ79HsYEtfUn1fB3ArtVUZ423aaNxPWC CW3ZJM3bCngdxsaUJSmg6sNUPcZgPGjDc/n9AsJhVk0pO9gFlsckV6SDLgscKVU0ICBGtJhc33k78 +laFyVBDvtA9POPoJqaRTv9WVsxSbRbkuCMLQNLxLtWUBX72VC+uGRzII2tvmTLWB0Ac9INJG378o P9crCh3Q==; Received: from p4fdb1ad2.dip0.t-ipconnect.de ([79.219.26.210] helo=localhost) by bombadil.infradead.org with esmtpsa (Exim 4.92.3 #3 (Red Hat Linux)) id 1jeBHZ-0002JF-IY; Thu, 28 May 2020 05:40:45 +0000 From: Christoph Hellwig To: Al Viro Cc: Linus Torvalds , Ian Kent , David Howells , linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-security-module@vger.kernel.org, netfilter-devel@vger.kernel.org Subject: clean up kernel_{read,write} & friends v2 Date: Thu, 28 May 2020 07:40:29 +0200 Message-Id: <20200528054043.621510-1-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 bombadil.infradead.org. See http://www.infradead.org/rpr.html Sender: netfilter-devel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netfilter-devel@vger.kernel.org Hi Al, this series fixes a few issues and cleans up the helpers that read from or write to kernel space buffers, and ensures that we don't change the address limit if we are using the ->read_iter and ->write_iter methods that don't need the changed address limit. Changes since v2: - picked up a few ACKs Changes since v1: - __kernel_write must not take sb_writers - unexport __kernel_write