[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [Xen-devel] [PATCH 2/2] xen/x86: Increase xen_e820_map to E820_X_MAX possible entries
On 05/12/16 18:49, Alex Thorlton wrote: > On systems with sufficiently large e820 tables, and several IOAPICs, it > is possible for the XENMEM_machine_memory_map callback (and its > counterpart, XENMEM_memory_map) to attempt to return an e820 table with > more than 128 entries. This callback adds entries to the BIOS-provided > e820 table to account for IOAPIC registers, which, on sufficiently large > systems, can result in an e820 table that is too large to copy back into > xen_e820_map. > > This change simply increases the size of xen_e820_map to E820_X_MAX to > ensure that there is enough room to store the entire e820 map returned > from this callback. > > Signed-off-by: Alex Thorlton <athorlton@xxxxxxx> > Suggested-by: Boris Ostrovsky <boris.ostrovsky@xxxxxxxxxx> > Reviewed-by: Juergen Gross <jgross@xxxxxxxx> Commited to xen/tip.git for-linus-4.10 Juergen _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxx https://lists.xen.org/xen-devel
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