From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ian Campbell Subject: Re: supervisory_mode_kernel Date: Wed, 15 Nov 2006 15:01:20 +0000 Message-ID: <1163602880.16115.11.camel@localhost.localdomain> References: <4559E1D2.E57C.0030.0@novell.com> <1163584366.9325.28.camel@localhost.localdomain> <455AD3FA.E57C.0030.0@novell.com> Mime-Version: 1.0 Content-Type: text/plain Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <455AD3FA.E57C.0030.0@novell.com> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xensource.com Errors-To: xen-devel-bounces@lists.xensource.com To: Ky Srinivasan Cc: xen-devel@lists.xensource.com List-Id: xen-devel@lists.xenproject.org On Wed, 2006-11-15 at 07:52 -0700, Ky Srinivasan wrote: > Sorry for asking an imprecise question. I understand the mechanism for turning > on this flag. What was not clear to me was when we would turn this on. Probably never. It was mainly intended as a proof of concept. There once was an idea that it might be possible run a Xen/linux kernel+a thin shim on bare metal with negligible loss of performance. With the paravirt ops approach being taken with the upstreaming work there is little point in that anymore. Ian.