From mboxrd@z Thu Jan 1 00:00:00 1970 From: "H. Peter Anvin" Subject: Re: [PATCH 0/9] Multiple devpts instances Date: Thu, 19 Feb 2009 20:22:48 -0800 Message-ID: <499E3018.3070108@zytor.com> References: <20081015053000.GA2039@us.ibm.com> <499D7E13.10601@free.fr> <499D97B1.1090902@zytor.com> <499DA069.3040603@free.fr> <499DB9DA.2070301@zytor.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: containers-bounces-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org Errors-To: containers-bounces-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org To: "Eric W. Biederman" Cc: kyle-hoO6YkzgTuCM0SS3m2neIg@public.gmane.org, "David C. Hansen" , bastian-yyjItF7Rl6lg9hUCZPvPmw@public.gmane.org, containers-qjLDD68F18O7TbgM5vRIOg@public.gmane.org, sukadev-23VcF4HTsmIX0ybBhKVfKdBPR1lH4CV8@public.gmane.org, alan-qBU/x9rampVanCEyBjwyrvXRex20P6io@public.gmane.org, xemul-GEFAQzZX7r8dnm+yROfE0A@public.gmane.org List-Id: containers.vger.kernel.org Eric W. Biederman wrote: >> >> Really. You have the same classes of issues with ANY allocatable >> resource in the system. Period. Furthermore, there are quite a few >> applications which want one and not the other. Trying to entangle >> them is broken. > > Peter they are entangled issues because the limits frequently show up > in the naming. pids are a good example of that. > No. The *reason* for these limits are a matter of resource control, and that has to at least have the ability to be global. Entangling them because it peers through somewhat in the naming is nonsense, at least in this case. Containers may very well want resource control, but it's a separate issue from naming. -hpa -- H. Peter Anvin, Intel Open Source Technology Center I work for Intel. I don't speak on their behalf.