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[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [Xen-devel] Critical bug: VT-d fault causes disk corruption orDom0 kernel panic.
On 22/01/2009 09:40, "Akio Takebe" <takebe_akio@xxxxxxxxxxxxxx> wrote: > Is compute_dom0_nr_pages() OK? > The number of available pages seems to be increase. > What do you think? Now that the heaps are unified, the old Xen heap pages are visible to dom0 and available to be allocated. Is this a problem? Probably not since we already by default prevent dom0 from allocating all memory up front. There are similar concerns regarding the auto-ballooner by the way, which are more likely to need addressing. If you run with dom0_mem= and no auto-ballooner then there is no worry at all. Btw these concerns should have nothing to do with the reported VT-d faults. -- Keir _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel
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