[Xen-devel] [PATCH 0/2] replace irq <-> pirq mapping array with radix trees

["Jan Beulich" <JBeulich@xxxxxxxxxx>]

This is to further eliminate non-order-zero runtime allocations.

1: x86: replace nr_irqs sized per-domain arrays with radix trees
2: replace d->nr_pirqs sized arrays with radix tree

The first patch can probably go in right away, for the second my
testing abilities are somewhat limited, and hence it may need to
be considered to wait for e.g. Intel to conduct some more testing
(otoh we're early in the release cycle, so eventual fixes could of
course also be carried out as follow-up patches).

Signed-off-by: Jan Beulich <jbeulich@xxxxxxxxxx>


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