Re: [Xen-devel] ACPI fixmap overflow

[Andrew Cooper <andrew.cooper3@xxxxxxxxxx>]

On 15/11/16 19:34, Boris Ostrovsky wrote:
> In addition to running out of e820 entries on that large machine that
> Alex was referring to in [0] he is also running out of ACPI fixmap space
> while parsing MADT (the box has *lots* of processors). The
> quick-and-dirty solution is to increase NUM_FIXMAP_ACPI_PAGES but I
> wonder whether we should move to dynamic memory allocation.

Why do we use fixmap anyway?  It doesn't look too hard to reorder
vm_init() slightly higher, and be able to use ioremap() for all APCI tables.

~Andrew

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