Messages in this thread | | | Date | Wed, 7 Aug 2019 15:19:54 +0200 (CEST) | From | Thomas Gleixner <> | Subject | Re: [PATCH 0/8] irqdomain/debugfs: Fix uses of irq_domain_alloc_fwnode |
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On Tue, 6 Aug 2019, Marc Zyngier wrote:
> I recently noticed that all irq_domain_alloc_fwnode were passing a VA > to it, which is unfortunate as this is designed to appear in debugfs > (and we don't like to leak VAs). Disaster was avoided thanks to our > ____ptrval____ friend, but it remains that the whole thing is pretty > useless if you have more than a single domain (they all have the same > name and creation fails). > > In order to sort it out, change all users of irq_domain_alloc_fwnode > to pass the PA of the irqchip the domain will be associated with. One > notable exception is the HyperV PCI controller driver which has no PA > to associate with. This is solved by using a named fwnode instead, > using the device GUID. > > Finally, irq_domain_alloc_fwnode() is changed to pa a pionter to a PA, > which can be safely advertised in debugfs.
Acked-by: Thomas Gleixner <tglx@linutronix.de>
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