[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [Xen-devel] [PATCH V2] Add flag to start info regarding virtual mapped p2m list
On 04/03/15 11:09, Juergen Gross wrote: > On 03/04/2015 11:59 AM, David Vrabel wrote: >> On 04/03/15 10:20, Juergen Gross wrote: >>> >>> I could, of course, wait with the flag bit until xl is ready and post >>> another kernel patch then. Unfortunately this would delay Linux support >>> for automatically be able to run as a pv-domain >500GB further, so I >>> strongly recommend accepting the interface change now. >> >> I suggested before: >> >> "If dom0, enable >512G. >> If domU, enable >512G if requested by command line option /or/ toolstack >> indicates that it supports the linear p2m." >> >> So this flag is only required to /automatically/ enable >512GB PV >> guests. You still need the manual (command line) override so this flag >> isn't needed until the toolstack actually supports the linear p2m, and >> the kernel support for this automatic enablement can be added later as >> well. > > Correct. The question is, whether we want some kernel versions capable > of running as 1TB guest requiring an additional boot parameter to do so. > Avoiding this is easy, but if you don't like it, I can wait with this > patch. I think running such large PV domUs is a sufficiently rare use case that this is fine. David _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxx http://lists.xen.org/xen-devel
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