From mboxrd@z Thu Jan  1 00:00:00 1970
From: Arun Sharma <arun.sharma@intel.com>
Subject: Re: [PATCH] pci-ioapic-0502.patch
Date: Wed, 04 May 2005 13:08:14 -0700
Message-ID: <42792BAE.7040005@intel.com>
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To: "Puthiyaparambil, Aravindh" <aravindh.puthiyaparambil@unisys.com>
Cc: xen-devel@lists.xensource.com, "Vessey, Bruce A" <Bruce.Vessey@unisys.com>, "Subrahmanian, Raj" <raj.subrahmanian@unisys.com>
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Puthiyaparambil, Aravindh wrote:
> Arun,
> 
> I tried the patch out on my dual proc x86_64 box running 32-bit SLES9. I
> was able to boot the system successfully and bring up a VM. The only
> thing which caught my eye was the following in the Dom0 boot. 
> 
> IOAPIC[0]: Invalid reference to IRQ 0
> 

I'll take a look at this later today.

> I am not even sure if this is an error. I have attached the complete
> boot sequence.
> 
> I noticed that the I/O APICs are still being initialized by Xen. Are you
> planning on moving this also to Dom0?
> 

No. As the checkin comments say, ioapics are owned by Xen. dom0 knows 
about it's existence, but accesses it using hypercalls.

	-Arun