Re: [Xen-devel] UEFI support on Dell boxes

[Jan Beulich <jbeulich@xxxxxxxx>]

On 26.11.2019 19:32, Marek Marczykowski-Górecki  wrote:
> Anyway, if I understand correctly, MMIO region should be mapped as UC,
> right?

While MMIO typically would want to be UC, there are clearly cases
where they'd better be WC, and there may even be cases where they
want to be WT, WP, or WB. Hence the lack of firmware indication is
a problem even for this specific memory type.

Jan

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