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=-2.2 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, USER_AGENT_SANE_1 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 7A345C432C3 for ; Thu, 28 Nov 2019 17:06:32 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 4701121739 for ; Thu, 28 Nov 2019 17:06:32 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=kernel-dk.20150623.gappssmtp.com header.i=@kernel-dk.20150623.gappssmtp.com header.b="0SVOpsKF" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726556AbfK1RGc (ORCPT ); Thu, 28 Nov 2019 12:06:32 -0500 Received: from mail-pg1-f194.google.com ([209.85.215.194]:34142 "EHLO mail-pg1-f194.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726569AbfK1RGb (ORCPT ); Thu, 28 Nov 2019 12:06:31 -0500 Received: by mail-pg1-f194.google.com with SMTP id z188so13157388pgb.1 for ; Thu, 28 Nov 2019 09:06:31 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel-dk.20150623.gappssmtp.com; s=20150623; h=subject:to:cc:references:from:message-id:date:user-agent :mime-version:in-reply-to:content-language:content-transfer-encoding; bh=1imsgxsl3ywnARWtQwBa3rbLqViODjeJtSs8fpqWLOk=; b=0SVOpsKF/rm6XOc9rX2WI5ruSf8tRL3Y1ZBPEpoDH121sJ7yEBCx2gCLNFJkFV0uBu c7HOzlWp632OvavPVroeULxKs5eb4pJhXC9ZsjHzqXUcFDvohNcHEyAaHqKdI0bLWgLV fzG2W7VlcMpPg/ByPMsY7oMNI8BcnHKelIzWd26cs+AjNMmVzKNkY8IMa9/oGHbIa328 z/U8bwCZGdU9x1eJoQJsq1406Tw2iarHo7x+W9+C4SoIhrrQhNF0HFS0KBezBOorToT1 Ou+lOn9YfT/+ApWec9gVECHa0Li4bKX6b8lk1548Lrl3d3Ze5FBf5j5zZXdB+okS5azd Tivg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:subject:to:cc:references:from:message-id:date :user-agent:mime-version:in-reply-to:content-language :content-transfer-encoding; bh=1imsgxsl3ywnARWtQwBa3rbLqViODjeJtSs8fpqWLOk=; b=ktkMHgUvFetkDDoiHaleDDx1+v+Q393lvHOzX0MGnxnH2P8/uaNoCPAopPKfRx4Dik dNoY8kW/qyV66lTtvthM/dkli0nPzowMjpsIopZF+lPs03EVJUwrCquwFQ2+juGdXqX8 G8NNpKOcGbeX920G0sLWnzVggcq6s4mxWC17aHfsH2iKqdIxwxn25t0HQqTsh+n+C5Q/ JfOiLfjj2TSu1+zQTbaBC9xtnO73hATKPvVB2ZK93hqclF3Ccej74qRvPFaaMEmP1Abx zyVsPreGoE1FA85z/yJfpekCUQC/ib8kM6Rnv6XegI1YDTafecgFtx5PCguTBd+NKugx KY4A== X-Gm-Message-State: APjAAAX71aK18Vfc6dXYJwuQIzIeIZ3pYCKcBXdGub/u78wGv4O3YWzj OgBgT4CvlddlQhALZiWGBA2w1XbnJmg/Cw== X-Google-Smtp-Source: APXvYqw/ndjuCJGaOPR8gE8No2mNqL89C3zaSA4+ynOYaSPZVMH93zSCpG1tJ1c9U/h04d3eKbyrGg== X-Received: by 2002:a63:4466:: with SMTP id t38mr12323393pgk.316.1574960790649; Thu, 28 Nov 2019 09:06:30 -0800 (PST) Received: from ?IPv6:2605:e000:100e:8c61:a930:60a8:686e:252a? ([2605:e000:100e:8c61:a930:60a8:686e:252a]) by smtp.gmail.com with ESMTPSA id a12sm21286896pfk.188.2019.11.28.09.06.29 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Thu, 28 Nov 2019 09:06:29 -0800 (PST) Subject: Re: [PATCH 1/1] io_uring: add mapping support for NOMMU archs To: Roman Penyaev Cc: linux-block@vger.kernel.org, io-uring References: <20191128115322.416956-1-rpenyaev@suse.de> From: Jens Axboe Message-ID: <0371ebda-9ec7-e3fc-3d80-3160e84aa283@kernel.dk> Date: Thu, 28 Nov 2019 09:06:28 -0800 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.2.1 MIME-Version: 1.0 In-Reply-To: <20191128115322.416956-1-rpenyaev@suse.de> Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit Sender: io-uring-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: io-uring@vger.kernel.org On 11/28/19 3:53 AM, Roman Penyaev wrote: > That is a bit weird scenario but I find it interesting to run fio loads > using LKL linux, where MMU is disabled. Probably other real archs which > run uClinux can also benefit from this patch. Not that weird I think, and looks fine to me. I'll queue it up for 5.5, thanks. -- Jens Axboe