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14be098c53
This adds handlers to allocate/free IRQs in a domain hierarchy. We could try to use xive_irq_domain_map() in xive_irq_domain_alloc() but we rely on xive_irq_alloc_data() to set the IRQ handler data and duplicating the code is simpler. xive_irq_free_data() needs to be called when IRQ are freed to clear the MMIO mappings and free the XIVE handler data, xive_irq_data structure. This is going to be a problem with MSI domains which we will address later. Signed-off-by: Cédric Le Goater <clg@kaod.org> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Link: https://lore.kernel.org/r/20210701132750.1475580-4-clg@kaod.org |
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