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=-2.5 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_MUTT 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 12A7AC282CE for ; Tue, 4 Jun 2019 07:29:28 +0000 (UTC) Received: from lists.ozlabs.org (lists.ozlabs.org [203.11.71.2]) (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 BEFAD24708 for ; Tue, 4 Jun 2019 07:29:27 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org BEFAD24708 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=lst.de Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Received: from lists.ozlabs.org (lists.ozlabs.org [IPv6:2401:3900:2:1::3]) by lists.ozlabs.org (Postfix) with ESMTP id 45J3TL1yd9zDqZ2 for ; Tue, 4 Jun 2019 17:29:26 +1000 (AEST) Authentication-Results: lists.ozlabs.org; spf=none (mailfrom) smtp.mailfrom=lst.de (client-ip=213.95.11.211; helo=newverein.lst.de; envelope-from=hch@lst.de; receiver=) Authentication-Results: lists.ozlabs.org; dmarc=none (p=none dis=none) header.from=lst.de Received: from newverein.lst.de (verein.lst.de [213.95.11.211]) (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 45J3R9673GzDqPN for ; Tue, 4 Jun 2019 17:27:33 +1000 (AEST) Received: by newverein.lst.de (Postfix, from userid 2407) id A57CC68B02; Tue, 4 Jun 2019 09:27:06 +0200 (CEST) Date: Tue, 4 Jun 2019 09:27:06 +0200 From: Christoph Hellwig To: Khalid Aziz Subject: Re: [PATCH 01/16] uaccess: add untagged_addr definition for other arches Message-ID: <20190604072706.GF15680@lst.de> References: <20190601074959.14036-1-hch@lst.de> <20190601074959.14036-2-hch@lst.de> <431c7395-2327-2f7c-cc8f-b01412b74e10@oracle.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <431c7395-2327-2f7c-cc8f-b01412b74e10@oracle.com> User-Agent: Mutt/1.5.17 (2007-11-01) 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: x86@kernel.org, Rich Felker , Yoshinori Sato , linux-sh@vger.kernel.org, James Hogan , linuxppc-dev@lists.ozlabs.org, linux-mips@vger.kernel.org, Nicholas Piggin , "David S. Miller" , Catalin Marinas , linux-mm@kvack.org, Paul Burton , Paul Mackerras , Andrey Konovalov , sparclinux@vger.kernel.org, Linus Torvalds , Christoph Hellwig , linux-kernel@vger.kernel.org Errors-To: linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Sender: "Linuxppc-dev" On Mon, Jun 03, 2019 at 09:16:08AM -0600, Khalid Aziz wrote: > Could you reword above sentence? We are already starting off with > untagged_addr() not being no-op for arm64 and sparc64. It will expand > further potentially. So something more along the lines of "Define it as > noop for architectures that do not support memory tagging". The first > paragraph in the log can also be rewritten to be not specific to arm64. Well, as of this patch this actually is a no-op for everyone. Linus, what do you think of applying this patch (maybe with a slightly fixed up commit log) to 5.2-rc so that we remove a cross dependency between the series?