Received: by 10.213.65.68 with SMTP id h4csp424279imn; Fri, 16 Mar 2018 07:22:29 -0700 (PDT) X-Google-Smtp-Source: AG47ELsPBJvuWROMfXCcHU7Bw9z5ZRBtr8CQ1/7Cbkut2E0Fpl5ExO8yaDlAQ/62mg2EJrzxt9u6 X-Received: by 10.98.69.76 with SMTP id s73mr1766377pfa.31.1521210149170; Fri, 16 Mar 2018 07:22:29 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1521210149; cv=none; d=google.com; s=arc-20160816; b=aLv8GOrRl+iOYy/0biu8PCqbfDXSeA5ChHVrgGoncfVUf8N1g99sTkEfbkuCbHTJlA RjQiPtGb4eS8bGEv3C1h5umFhojBCHsiHUCyAHmzmerfBZeomGuIAfZrkqESyYmtkb0D f7iqFJ8M/uUjB4wRyPI0CNyYYxZD7uuDSgDKw0t12/NgweHn9uzq8lGtdZZN0qbKK+qF efV8qcl7cHr/gOp7kdch6BT3MW0HYlj1IxKlNIfuTsbiC4lc2ThwU6iOoyfHUPQIN/Wd DAmIKhnr8EZF9HYw/ImTZ3+qzOshHeZFhQgVs/aTu3bNw/m+oexA4ODwhCZLmyya6djv f1pw== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:user-agent:in-reply-to :content-disposition:mime-version:references:message-id:subject:cc :to:from:date:arc-authentication-results; bh=Gt6j/zZ7OQ+r8ZQwGDlhANTv+ZuN7QAhGv4WeTKiFmo=; b=T+zG4InEXzGzOeMDK8DPhrexHnkuc3VEetkZ5MgLmiR1BHv4jXiVPk0N1uVOvsEG81 fa5q4LAvOKjia7VWhPYi+nOHSs/01XEykCyYBXWUjgjxiakm8ax4ugppdCCs6ef9WsTg C3h8ZynYXUO4E2+5Xq4xOkH2C2pWj2PtHz/of02p3O5qNqy97KOHqcllyXiRxdtZt51S N7Hcwn9pqwr0FDglTSNAaKEVNCWRAVEeOZB7z008w22ZF1YMoO+sNrMwDLHfbEIG5Fbe KaoEqoTHjy/MosBgh9eXTLTViw7pr+kTcRVBqFnIknkxElwTksTCNnCXvkHv7NTzJDw8 9x6A== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id s13si5461865pfm.392.2018.03.16.07.22.14; Fri, 16 Mar 2018 07:22:29 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753091AbeCPOUv (ORCPT + 99 others); Fri, 16 Mar 2018 10:20:51 -0400 Received: from zeniv.linux.org.uk ([195.92.253.2]:44658 "EHLO ZenIV.linux.org.uk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753068AbeCPOUu (ORCPT ); Fri, 16 Mar 2018 10:20:50 -0400 Received: from viro by ZenIV.linux.org.uk with local (Exim 4.87 #1 (Red Hat Linux)) id 1ewqDr-00056M-Uh; Fri, 16 Mar 2018 14:20:44 +0000 Date: Fri, 16 Mar 2018 14:20:43 +0000 From: Al Viro To: Christoph Hellwig Cc: Linus Torvalds , Andy Lutomirski , Arnd Bergmann , Dominik Brodowski , Linux Kernel Mailing List , Ingo Molnar , Andrew Morton Subject: Re: [PATCH v2 00/36] remove in-kernel syscall invocations (part 1) Message-ID: <20180316142043.GC30522@ZenIV.linux.org.uk> References: <20180315190529.20943-1-linux@dominikbrodowski.net> <20180316085423.GH4151@infradead.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20180316085423.GH4151@infradead.org> User-Agent: Mutt/1.9.1 (2017-09-22) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, Mar 16, 2018 at 01:54:23AM -0700, Christoph Hellwig wrote: > On Thu, Mar 15, 2018 at 05:54:27PM -0700, Linus Torvalds wrote: > > Yes. And honestly, I'd rather have these kinds of "just change the > > calling convention" almost automated patches separately - and then the > > cleanups later. > > > > Mixing the calling convention change and the cleanup together is just > > confusing and potentially causes subtle issues. > > A lot of the issues here is that the initramfs / do_mount code > is written as if it was user space code, but in kernel space. E.g. > using file desriptors etc. ... and I still wonder if it would make more sense to kick that crap out into userland.