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Date: Mon, 24 Apr 2006 13:19:42 -0700 (PDT)
From: Linus Torvalds <torvalds@osdl.org>
To: "linux-os (Dick Johnson)" <linux-os@analogic.com>
cc: Stephen Hemminger <shemminger@osdl.org>, Andrew Morton <akpm@osdl.org>,
       linux-kernel@vger.kernel.org
Subject: Re: better leve triggered IRQ management needed
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On Mon, 24 Apr 2006, linux-os (Dick Johnson) wrote:
> > one user and the driver is properly written. Making request_irq() fail
>    ^^^^^^^^_______ Must be a trick!
> > would break existing and working setups.
> >
> 
> If there is just one user then it isn't shared! Get real.

SA_SHIRQ does NOT mean that the irq is shared.

It means that it's not exclusive, and that the driver is _ok_ with it 
being shared if that makes sense.

		Linus