From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756749AbYDLSNP (ORCPT ); Sat, 12 Apr 2008 14:13:15 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1755130AbYDLSNC (ORCPT ); Sat, 12 Apr 2008 14:13:02 -0400 Received: from terminus.zytor.com ([198.137.202.10]:45209 "EHLO terminus.zytor.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754642AbYDLSNA (ORCPT ); Sat, 12 Apr 2008 14:13:00 -0400 Message-ID: <4800FADB.3090406@zytor.com> Date: Sat, 12 Apr 2008 11:09:31 -0700 From: "H. Peter Anvin" User-Agent: Thunderbird 2.0.0.12 (X11/20080226) MIME-Version: 1.0 To: sukadev@us.ibm.com CC: Andrew Morton , serue@us.ibm.com, matthltc@us.ibm.com, "Eric W. Biederman" , Pavel Emelyanov , Containers , linux-kernel@vger.kernel.org Subject: Re: [PATCH 0/4] Helper patches for PTY namespaces References: <20080412172933.GA19295@us.ibm.com> In-Reply-To: <20080412172933.GA19295@us.ibm.com> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org sukadev@us.ibm.com wrote: > Some simple helper patches to enable implementation of multiple PTY > (or device) namespaces. > > [PATCH 1/4]: Propagate error code from devpts_pty_new > [PATCH 2/4]: Factor out PTY index allocation > [PATCH 3/4]: Move devpts globals into init_pts_ns > [PATCH 3/4]: Enable multiple mounts of /dev/pts > > This patchset is based on earlier versions developed by Serge Hallyn > and Matt Helsley. Any measurable performance impact when not using these kinds of namespaces? -hpa