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xen/docs/misc
Jan Beulich 17f6d398f7 cmdline: document and enforce "extra_guest_irqs" upper bounds
PHYSDEVOP_pirq_eoi_gmfn_v<N> accepting just a single GFN implies that no
more than 32k pIRQ-s can be used by a domain on x86. Document this upper
bound.

To also enforce the limit, (ab)use both arch_hwdom_irqs() (changing its
parameter type) and setup_system_domains(). This is primarily to avoid
exposing the two static variables or introducing yet further arch hooks.

While touching arch_hwdom_irqs() also mark it hwdom-init.

Signed-off-by: Jan Beulich <jbeulich@suse.com>
Acked-by: Roger Pau Monné <roger.pau@citrix.com>
Release-Acked-by: Oleksii Kurochko <oleksii.kurochko@gmail.com>
2024-07-02 12:00:27 +02:00
..
2015-12-10 13:11:25 +01:00
2011-03-25 21:59:20 +00:00
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