From mboxrd@z Thu Jan 1 00:00:00 1970 From: Konrad Rzeszutek Wilk Subject: Re: [PATCH 4 of 5] libxl: Add support for passing in the machine's E820 for PCI passthrough Date: Fri, 8 Apr 2011 10:54:28 -0400 Message-ID: <20110408145428.GB9971@dumpdata.com> References: <2e464234c94cfd29a98a.1302207925@localhost6.localdomain6> <1302251805.27835.61.camel@zakaz.uk.xensource.com> <19870.59892.971964.403290@mariner.uk.xensource.com> <20110408133557.GF6189@dumpdata.com> <1302270909.27835.89.camel@zakaz.uk.xensource.com> <20110408140943.GK30961@whitby.uk.xensource.com> <1302272248.27835.97.camel@zakaz.uk.xensource.com> <20110408142536.GL30961@whitby.uk.xensource.com> <20110408143452.GA9971@dumpdata.com> <1302273768.27835.105.camel@zakaz.uk.xensource.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Content-Disposition: inline In-Reply-To: <1302273768.27835.105.camel@zakaz.uk.xensource.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: Ian Campbell Cc: Tim Deegan , "xen-devel@lists.xensource.com" , Ian Jackson , "keir.fraser@eu.citrix.com" List-Id: xen-devel@lists.xenproject.org On Fri, Apr 08, 2011 at 03:42:48PM +0100, Ian Campbell wrote: > On Fri, 2011-04-08 at 15:34 +0100, Konrad Rzeszutek Wilk wrote: > > On Fri, Apr 08, 2011 at 03:25:36PM +0100, Tim Deegan wrote: > > > At 15:17 +0100 on 08 Apr (1302275848), Ian Campbell wrote: > > > > > That's a _horrible_ config syntax. > > > > > > > > fair enough. I thought it nicely represented the "has an empty PCI bus" > > > > myself... > > > > > > Sure, but it's really not obvious that that means "has a memory layout > > > that matches the host on which it was last booted". > > > > > > > > We should either do this for all > > > > > guests or give it its own option (which can default to 1 for guests with > > > > > non-empty passthrough lists if you like). > > > > > > > > Ack, if it's an option it should definitely default to on for non-empty > > > > pci passthrough lists. I think we can probably get away with default on > > > > always though and allow it to be explicitly disabled. That's really just > > > > a case of trying on a few PV OSes and seeing how much they barf... > > > > > > Agreed. My guess is there won't be any trouble. > > > > Whoa. I just booted an SLES11 32 bit and it booted so nicely :-) > > (2.6.27) > > With all of its memory, or did it loose the bits from the holes? All memory intact.