linux-kernel - Re: question on odd APIC behavior

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Message-ID: <Pine.LNX.4.64N.0711151313410.19041@blysk.ds.pg.gda.pl>
Date:	Thu, 15 Nov 2007 13:16:09 +0000 (GMT)
From:	"Maciej W. Rozycki" <macro@...ux-mips.org>
To:	Oliver Neukum <oliver@...kum.org>
cc:	linux-kernel@...r.kernel.org
Subject: Re: question on odd APIC behavior

On Thu, 15 Nov 2007, Oliver Neukum wrote:

> is there a way to so misprogramm an APIC that a physical interrupt results
> in two interrupts delivered?

 Certainly.  One possibility is to have multiple processors marked as the 
destination, e.g. a logical delivery mode destination programmed with 
multiple bits set.

  Maciej
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