On Sun, Mar 12, 2023 at 01:02:17PM +0100, Bernhard Beschow wrote:
> This is a preparational patch for the next one to make the following
> more obvious:
> 
> First, pci_bus_irqs() is now called twice in case of Xen where the
> second call overrides the pci_set_irq_fn with the Xen variant.

pci_bus_irqs() does allocates pci_bus->irq_count, so the second call in
piix3_xen_realize() will leak `pci_bus->irq_count`. Could you look if
pci_bus_irqs_cleanup() can be called before the second pci_bus_irqs()
call, or maybe some other way to avoid the leak?

> Second, pci_bus_set_route_irq_fn() is now also called in Xen mode.
> 
> Signed-off-by: Bernhard Beschow <shen...@gmail.com>
> Reviewed-by: Michael S. Tsirkin <m...@redhat.com>

Beside the leak which I think can happen only once, patch is fine:
Reviewed-by: Anthony PERARD <anthony.per...@citrix.com>

Thanks,

-- 
Anthony PERARD

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