[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [Xen-devel] Boot dom0 and mini-OS guest in parallel
I've done something like this about 2 1/2 years ago. IIRC it was pretty much what cristopher outlines below (dom0 build patches plus a few other bits and bobs). I probably have the now heavily outdated patches floating around somewhere. Drop me an email and I'll dig them out. Rolf 2009/7/6 Christopher Clark <christopher.w.clark@xxxxxxxxx>: > It's not implemented now, as far as I can tell from a quick scan of > the unstable source, but it's doable if you're up for a project. > > Xen does relocation of modules passed at boot which is how the dom0 > kernel and its initrd are loaded. > > You could specify another module to grub that Xen will relocate and > then construct a domain around it within Xen, in a similar fashion to > the way dom0 is constructed. > > See the dom0 construction code in: > > xen/arch/x86/domain_build.c : construct_dom0 > and > xen/arch/x86/setup.c : __start_xen > > I'm not familar enough with ia64 to pass similar pointers there, and > I'm not sure what it'd take to build a neat enough implementation that > it'd be considered for merge. > > Christopher > > > On Mon, Jul 6, 2009 at 1:40 PM, Lucio Maciel<luciofm@xxxxxxxxx> wrote: >> Hi, >> >> I'm using xen virtualization, and I writing a very security sensitive >> software that I want to run completely isolated, running it on a >> mini-OS or a very small/tight Linux guest. >> >> That's OK, but I also want it to boot in parallel with dom0, directly >> from the xen hypervisor, avoiding the need to first boot the dom0 and >> then boot my small self-contained guest. >> >> Is that possible? Or what should I know before trying to add this >> functionality to the xen hypervisor? >> >> Thanks in advance, >> Lúcio Maciel >> luciofm@xxxxxxxxx >> >> _______________________________________________ >> Xen-devel mailing list >> Xen-devel@xxxxxxxxxxxxxxxxxxx >> http://lists.xensource.com/xen-devel >> > > _______________________________________________ > Xen-devel mailing list > Xen-devel@xxxxxxxxxxxxxxxxxxx > http://lists.xensource.com/xen-devel > _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel
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