Re: [PATCH] sparse_irq aka dyn_irq v13

[Mike Travis]

H. Peter Anvin wrote:
> Yinghai Lu wrote:
>> 2. make irq number is bus/devfn/idx, and every dev func will use 12bit range, irq number is relatively fixed not like current MSI irq creating is some kind of floating from NR_IRQS too. 
> 
> 2 is *STILL WRONG*, dammit!
> 
> You keep bringing this one up, but our PCI addressing is
> *DOMAIN*/bus/devfn -- it falls flat on its face when you have more than
> 16 PCI domains.  CAN WE PLEASE STOP WITH THIS FOOLISHNESS NOW!
> 
> 	-hpa

Hmm, I was going to bring this up as well... ;-)

X was changed quite a while ago to domain/bus/dev/func, which was a lot easier to
deal with than trying to "offset" the bus with domain * some large number + bus.
Currently max nodes is 512 so it deserves it's own field. ;-)

Btw, are you suggesting combining device and function?  That might be inadvertently
squeezing something that shouldn't be.

Thanks,
Mike
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/