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Re: [Xen-ia64-devel] consoles, iosapics, and device interrupts

from [Alex Williamson] [Permanent Link][Original]
To: Tristan Gingold <Tristan.Gingold@xxxxxxxx>
Subject: Re: [Xen-ia64-devel] consoles, iosapics, and device interrupts
From: Alex Williamson <alex.williamson@xxxxxx>
Date: Mon, 21 Nov 2005 09:28:18 -0700
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On Mon, 2005-11-21 at 19:25 +0200, Tristan Gingold wrote:

> Right.
> However the 16550 can be programmed using the ISA compatibility stuff.  The 
> IRQ pin and IOSAPIC can be determined from the IRQ number.

   Only if you have a system that supports legacy interrupts...  HP
boxes are legacy free.

-- 
Alex Williamson                             HP Linux & Open Source Lab


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