On 20.11.2023 16:10, Andrew Cooper wrote:
> The MP spec requires a minimum of 1k alignment.  So too does Xen's use of a
> single fixmap page to map the IO-APIC.
> 
> Reject out-of-spec values so we don't end up in a position where a bad
> firmware value causes Xen to use the wrong mapping.
> 
> Signed-off-by: Andrew Cooper <[email protected]>

Reviewed-by: Jan Beulich <[email protected]>

I'm curious though: Was this observed in practice?

Jan

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