[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [Xen-devel] 32bit xen and "claim"
>>> On 05.11.12 at 20:16, Dan Magenheimer <dan.magenheimer@xxxxxxxxxx> wrote: > Does it make sense to have a runtime option that unsets the > physical limit but disallows legacy PV guests? If this > defaults to false for machines with RAM<=5TB but to true > for machines with RAM>5TB, then the feature is "done" > (AND we have put a stake in the ground to begin the > slow obsolescence of PV functionality). That would be interesting: Mukesh's PVH code wasn't even posted yet, i.e. you're proposing to render systems with more than 5Tb unbootable (for the lack of a - necessarily PV - Dom0 kernel runnable in that environment). But yes, the plan is to extend the 1:1 mapping beyond 5Tb for non-PV guests, and going through actual mapping code only when acting in the context of a (64-bit) PV guest (even 32-bit PV guests can have the full 1:1 mapping). Jan _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxx http://lists.xen.org/xen-devel
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