From mboxrd@z Thu Jan 1 00:00:00 1970 From: Anthony Liguori Subject: Re: [PATCH] xen-2.0: privileged port connections Date: Wed, 23 Mar 2005 11:45:24 -0600 Message-ID: <4241AB34.1080700@us.ibm.com> References: <20050323123639.GM12479@tpkurt.garloff.de> <42418E24.5070906@us.ibm.com> <20050323165739.GR12479@tpkurt.garloff.de> <4241A16B.5080504@us.ibm.com> <20050323172354.GS12479@tpkurt.garloff.de> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit In-Reply-To: <20050323172354.GS12479@tpkurt.garloff.de> Sender: xen-devel-admin@lists.sourceforge.net Errors-To: xen-devel-admin@lists.sourceforge.net List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , List-Archive: To: Kurt Garloff Cc: xen-devel List-Id: xen-devel@lists.xenproject.org Kurt Garloff wrote: >Oh, that's what I was planning to do. The privileged ports are less >scarce than the 4GB of memory that Xen-2 supports ... >We'll hardly get running more than 64 virtual machines, I'd guess. > > Maybe not the typical desktop user but that's definitely not going to be the case for the enterprise user. I do a lot of testing with small domUs and I routinely have 40+ domains running (16MB a piece) on my 1GB laptop. On a 4GB system, with NFS in the picture, you could pretty easily exhaust the privileged ports with domains using between 32-64MB of memory (which is a pretty reasonable amount to allocate). Throw in PAE support and you'll run out quickly. Would a patch to change Xend to use pty's for consoles be accepted? xm console can be invoked via ssh to support remote consoles.. >Any insight what we could do there? > > I hate to beat a dead horse, but domain sockets seem like the obvious thing to do. We don't need different privilege levels there so that seems like the thing to do. Regards,Anthony Liguori ------------------------------------------------------- This SF.net email is sponsored by Microsoft Mobile & Embedded DevCon 2005 Attend MEDC 2005 May 9-12 in Vegas. Learn more about the latest Windows Embedded(r) & Windows Mobile(tm) platforms, applications & content. Register by 3/29 & save $300 http://ads.osdn.com/?ad_id=6883&alloc_id=15149&op=click