From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754369Ab2IWRmn (ORCPT ); Sun, 23 Sep 2012 13:42:43 -0400 Received: from out03.mta.xmission.com ([166.70.13.233]:46949 "EHLO out03.mta.xmission.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754290Ab2IWRml (ORCPT ); Sun, 23 Sep 2012 13:42:41 -0400 From: ebiederm@xmission.com (Eric W. Biederman) To: "H. Peter Anvin" Cc: Greg Kroah-Hartman , Kay Sievers , "Serge E. Hallyn" , containers@lists.linux-foundation.org, Dave Hansen , linux-kernel@vger.kernel.org, Andy Whitcroft , sukadev@linux.vnet.ibm.com, Linus Torvalds , Al Viro , Alan Cox , Serge Hallyn References: <20120124000517.GA28878@sergelap> <20120124002555.GA29534@sergelap> <20120124010758.GJ23916@ZenIV.linux.org.uk> <20120124220247.GA26353@hallyn.com> <20120124231601.GA4470@sergelap> <20120128195103.GA11299@sergelap> <87txup763i.fsf_-_@xmission.com> <505F3D48.7080103@zytor.com> Date: Sun, 23 Sep 2012 10:42:32 -0700 In-Reply-To: <505F3D48.7080103@zytor.com> (H. Peter Anvin's message of "Sun, 23 Sep 2012 09:48:08 -0700") Message-ID: <87txuo3abb.fsf@xmission.com> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/24.1 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain X-XM-SPF: eid=;;;mid=;;;hst=in02.mta.xmission.com;;;ip=98.207.153.68;;;frm=ebiederm@xmission.com;;;spf=neutral X-XM-AID: U2FsdGVkX18QboWlK56yesR1Hf5gqixHCeMwow9D1cs= X-SA-Exim-Connect-IP: 98.207.153.68 X-SA-Exim-Mail-From: ebiederm@xmission.com X-Spam-Report: * -1.0 ALL_TRUSTED Passed through trusted hosts only via SMTP * 1.5 XMNoVowels Alpha-numberic number with no vowels * 0.0 T_TM2_M_HEADER_IN_MSG BODY: T_TM2_M_HEADER_IN_MSG * -3.0 BAYES_00 BODY: Bayes spam probability is 0 to 1% * [score: 0.0000] * -0.0 DCC_CHECK_NEGATIVE Not listed in DCC * [sa07 1397; Body=1 Fuz1=1 Fuz2=1] X-Spam-DCC: XMission; sa07 1397; Body=1 Fuz1=1 Fuz2=1 X-Spam-Combo: ;"H. Peter Anvin" X-Spam-Relay-Country: Subject: Re: [PATCH 0/4] devpts: fix devpts mount behavior X-Spam-Flag: No X-SA-Exim-Version: 4.2.1 (built Fri, 06 Aug 2010 16:31:04 -0600) X-SA-Exim-Scanned: Yes (on in02.mta.xmission.com) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org "H. Peter Anvin" writes: > On 09/22/2012 08:47 PM, Eric W. Biederman wrote: >> Making /dev/ptmx a symlink sounds simple, but in practice no one could >> actually figure out how to make it happen. > > This feels particularly ridiculous since udev now requires devtmpfs > (as in it will no longer work without it), which means this is all > done in the kernel, so we should just be able to fix this in the > kernel. Some versions of udev require devtmpfs. At best we could have something conditional in the kernel that does this. > Greg, Kay, any idea how to make ptmx show up in devtmpfs as a symlink > to pts/pmtx instead of as a device node? The conversation stalled in January with that very question. What I am proposing doesn't conflict with any effort like that. Eric