Re: [Xen-devel] ES7000 x86_64 patch

[Keir Fraser <Keir.Fraser@xxxxxxxxxxxx>]

On 19 Jul 2005, at 00:02, Puthiyaparambil, Aravindh wrote:

> Here is a patch to enable Xen to run on a Unisys ES7000 x86_64 system.
>
> Signed off by Aravindh Puthiyaparambil
> <aravindh.puthiyaparambil@xxxxxxxxxx>
We want to stick close to Linux 2.6 code. Comparing your code with 
2.6.12:
 1. MAX_IO_APICS is never set to 65 or 129 in 2.6.12. Do you really 
have systems with 129 IO APICs? x86_64 sets it to 128 always; i386 to 
32.
 2. setup_ioapic_ids_from_mpc: 2.6.12 gates this function on a genapic 
hook, not an explicit CPU version check. Why the difference?
 3. mp_register_ioapic/mp_register_gsi: I see no equivalent of your 
changes in the 2.6.12 tree. Are they awaiting inclusion, or are they in 
a 2.6.13-rc tree that I ought to be looking at?
I would like the patch closer to 2.6.12, or to know what mainline Linux 
tree you based it on.
 -- Keir


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