linux-kernel - Re: [PATCH] sparse_irq aka dyn

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Date:	Sun, 16 Nov 2008 15:54:12 -0800
From:	Yinghai Lu <yinghai@...nel.org>
To:	"H. Peter Anvin" <hpa@...or.com>
CC:	Benjamin Herrenschmidt <benh@...nel.crashing.org>,
	Andrew Morton <akpm@...ux-foundation.org>, mingo@...e.hu,
	tglx@...utronix.de, linux-kernel@...r.kernel.org, travis@....com
Subject: Re: [PATCH] sparse_irq aka dyn_irq v13

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!

you want to u64 instead of unsigned int for irq?

YH
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