| Date | Mon, 16 Jan 2023 14:55:05 +0100 | From | Johan Hovold <> | Subject | Re: [PATCH v3 0/19] irqdomain: fix mapping race and clean up locking |
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On Tue, Dec 20, 2022 at 11:30:42AM +0800, Mark-PK Tsai wrote: > > Parallel probing (e.g. due to asynchronous probing) of devices that > > share interrupts can currently result in two mappings for the same > > hardware interrupt to be created. > > > > This series fixes this mapping race and clean up the irqdomain locking > > so that in the end the global irq_domain_mutex is only used for managing > > the likewise global irq_domain_list, while domain operations (e.g. > > IRQ allocations) use per-domain (hierarchy) locking.
> Tested-by: Mark-PK Tsai <mark-pk.tsai@mediatek.com> > > We have the same issue and this patch series fix that. > Thanks! > > Link: https://lore.kernel.org/lkml/20221219130620.21092-1-mark-pk.tsai@mediatek.com/
Thanks for confirming. I just sent a v4 with a couple of clarifying comments added to the final patch.
Johan
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