Messages in this thread | | | Date | Mon, 21 Nov 2005 13:38:03 -0800 (PST) | From | Linus Torvalds <> | Subject | Re: [PATCH 4/5] Centralise NO_IRQ definition |
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On Tue, 22 Nov 2005, Benjamin Herrenschmidt wrote: > > > The fact is, 0 _is_ special. Not just for hardware, but because 0 has a > > magical meaning as "false" in the C language. > > I don't agree, irq 0 has been a valid irq on a number of platforms for > ages
The point is, it's _not_ a valid irq for 99.9% of all machines and drivers that have ever been tested.
Also, if you don't agree that 0 is special in the C language, then you're just strictly _wrong_. It's an undeniable fact that zero _is_ special.
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