xen/irq: Cleanup the find_unbound_irq

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The "find_unbound_irq" is a bit unusual - it allocates
virtual IRQ (event channels) in reverse order. This means
starting at the "top" of the available IRQs (nr_irqs) down
to the GSI/MSI IRQs (nr_irqs_gsi). Lets document this and
also make the variables easier to understand.

Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>

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Konrad Rzeszutek Wilk 2010-12-09 14:53:29 -05:00

parent cf7d7e5a19

commit d1b758ebc2

1 changed files with 12 additions and 6 deletions

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18

drivers/xen/events.c

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