From mboxrd@z Thu Jan  1 00:00:00 1970
From: Arjan van de Ven <arjan@infradead.org>
Subject: Re: hwo to adjust interrupt?
Date: Fri, 12 Aug 2005 19:04:18 +0200
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To: Bryan Henderson <hbryan@us.ibm.com>
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On Fri, 2005-08-12 at 09:59 -0700, Bryan Henderson wrote:
> >(Not that it's a big problem, sharing irqs on a pci system isn't too big
> >a deal)
> 
> Just how big a deal is it?  How much extra work does Linux have to do for 
> each interrupt?

usually 1 pci mmio read; the rest is negliable.