Messages in this thread | | | Date | Wed, 23 Sep 2009 09:11:27 +0100 | From | Jonathan Cameron <> | Subject | Re: [RFC] [PATCH 2/2] ACPI: introduce ACPI ALS device driver |
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>> Are there any plausible race conditions associated with doing the allocation this way? > > well, theoretically, yes. > simultaneous add calls may happen in hotplug case, but I don't think an > ACPI ALS device supports hotplug. That would make that point irrelevant!
Thinking further on this. What happens on a box that for some reason repeatedly inserts and removes this module?
This is the sort of problem idr's are meant to overcome. They will cost you a bit in terms of complexity though.
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