From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from smtp1.linuxfoundation.org (smtp1.linux-foundation.org [172.17.192.35]) by mail.linuxfoundation.org (Postfix) with ESMTP id 3616B927 for ; Fri, 2 May 2014 19:04:00 +0000 (UTC) Received: from mail-qc0-f173.google.com (mail-qc0-f173.google.com [209.85.216.173]) by smtp1.linuxfoundation.org (Postfix) with ESMTPS id BC34A1FD44 for ; Fri, 2 May 2014 19:03:59 +0000 (UTC) Received: by mail-qc0-f173.google.com with SMTP id r5so5276425qcx.32 for ; Fri, 02 May 2014 12:03:58 -0700 (PDT) MIME-Version: 1.0 In-Reply-To: <5363E8E1.9030806@zytor.com> References: <20140502164438.GA1423@jtriplet-mobl1> <20140502171103.GA725@redhat.com> <1399051229.2202.49.camel@dabdike> <20140502173309.GB725@redhat.com> <5363E8E1.9030806@zytor.com> From: "Michael Kerrisk (man-pages)" Date: Fri, 2 May 2014 21:03:38 +0200 Message-ID: To: "H. Peter Anvin" Content-Type: text/plain; charset=UTF-8 Cc: Josh Boyer , Sarah Sharp , ksummit-discuss@lists.linuxfoundation.org, Greg KH , Julia Lawall , Darren Hart , Dan Carpenter Subject: Re: [Ksummit-discuss] [CORE TOPIC] Kernel tinification: shrinking the kernel and avoiding size regressions Reply-To: mtk.manpages@gmail.com List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , On Fri, May 2, 2014 at 8:50 PM, H. Peter Anvin wrote: > On 05/02/2014 10:46 AM, Josh Boyer wrote: >> >> To mitigate that some, new syscalls could be added with CONFIG >> wrappers that default to disabled. The userbases can't use something >> that isn't explicitly turned on, and people would likely need to >> request those syscalls. It would give the distros at least a measure >> of how frequently that new syscall would be used, and in what >> situations. >> > > In practice that is equivalent to not having the syscall at all. Amen! -- Michael Kerrisk Linux man-pages maintainer; http://www.kernel.org/doc/man-pages/ Linux/UNIX System Programming Training: http://man7.org/training/