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xen-ia64-devel

Re: [Xen-ia64-devel] [Patch] Pass the bare LSAPIC ID to dom0

To: Alex Williamson <alex.williamson@xxxxxx>
Subject: Re: [Xen-ia64-devel] [Patch] Pass the bare LSAPIC ID to dom0
From: Tristan Gingold <tgingold@xxxxxxx>
Date: Fri, 20 Jul 2007 03:53:43 +0200
Cc: xen-ia64-devel <xen-ia64-devel@xxxxxxxxxxxxxxxxxxx>
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On Thu, Jul 19, 2007 at 05:20:26PM -0600, Alex Williamson wrote:
> On Wed, 2007-07-18 at 16:03 +0900, Akio Takebe wrote:
> > Hi, all
> > 
> > This patch fix a issue which dom0 cannot boot with dom0_max_vcpus.
> > Currently LSAPIC IDs are create by xen,
> > but ACPI SRAT table is the bare table.
> > So on some boxes node_cpuid[].phys_id are different from cpu_physical_id()s,
> > and we cannot boot dom0.
> > I think xen should pass the bare LSAPIC ID to dom0.
Hi Akio,

I am not sure this patch is complete.  Some code of Xen assumes vcpu_id ==
id (get_lid, IPI).
I think you'd better to patch the SRAT (if it is possible).

Tristan.

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