* Bjorn Helgaas wrote: > Hmm, your patch looks OK as far as it goes, but the implementation of > pci_fixup_irqs() as a call-once-at-boot-time thing with a loop through > all the PCI devices we've found so far looks completely broken with > regard to hotplug. > > Who does the swizzle for devices hot-added after boot?
Perhaps I should have mentioned this in the commit message, but the patch isn't actually used in a hotplug scenario. In fact, the code is still run once at boot time, only very late. Grant's deferred probing allows the PCIe controller driver to postpone initialization until all the devices that it depends on (regulators) have been probed. This has the side-effect that the probing actually takes place *after* code and data annotated with __init have already been freed. Thierry
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