[Xen-devel] [PATCH 1/8] x86: give FIX_EFI_MPF its own fixmap entry

Jan Beulich JBeulich at suse.com
Tue Apr 9 03:27:04 EDT 2013

>>> On 08.04.13 at 20:59, David Vrabel <david.vrabel at citrix.com> wrote:
> FIX_EFI_MPF was the same as FIX_KEXEC_BASE_0 which is going away.  So
> add its own entry.

To be honest, no matter how small the wastage, I'd prefer reusing
another entry over creating a new one. FIX_TBOOT_MAP_ADDRESS
seems like a reasonable fit (which we also don't have to expect to
go away, unless tboot support would get ripped out altogether).
This is not the least because sane UEFI systems aren't expected to
have MPS tables anyway (i.e. the entry, if separate, would likely
_never_ be used in reality), it's just that the specification allows for


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