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RE: [Xen-ia64-devel] RFC: Switch to xlilo now? Or post-3.0?

To: "Chapman, Matthew (HP Labs)" <matthewc@xxxxxx>
Subject: RE: [Xen-ia64-devel] RFC: Switch to xlilo now? Or post-3.0?
From: "Magenheimer, Dan (HP Labs Fort Collins)" <dan.magenheimer@xxxxxx>
Date: Fri, 18 Nov 2005 09:17:32 -0800
Cc: xen-ia64-devel@xxxxxxxxxxxxxxxxxxx
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Thread-topic: [Xen-ia64-devel] RFC: Switch to xlilo now? Or post-3.0?
Excellent catch! Committed.  With this patch and all the help
from Akio, I am finally able to boot RHEL4.2 with xlilo and Xen! 

> -----Original Message-----
> From: matthewc@xxxxxxxxxxxxxxx 
> [mailto:matthewc@xxxxxxxxxxxxxxx] On Behalf Of Chapman, 
> Matthew (HP Labs)
> Sent: Friday, November 18, 2005 1:59 AM
> To: Magenheimer, Dan (HP Labs Fort Collins)
> Cc: Williamson, Alex (Linux Kernel Dev); 
> xen-ia64-devel@xxxxxxxxxxxxxxxxxxx
> Subject: Re: [Xen-ia64-devel] RFC: Switch to xlilo now? Or post-3.0?
> On Fri, Nov 18, 2005 at 06:35:34PM +1100, Matt Chapman wrote:
> > 
> > Same happens for me - it seems that something has changed in
> > xenlinux, since it works okay after substituting a week-old
> > xenlinux image.
> Actually, looking at it more, I think that's a red herring -
> it's just that recent config changes changed the layout of the
> kernel.
> The real bug happened a while ago when reflect_interruption
> was rearranged, and as a result the vcpu_force_data_miss path
> (where a privop results in a TLB miss) no longer sets IHA.
> (ITIR _was_ actually set, but in an location that doesn't
> make much sense to the uninitiated, so I've moved that code
> into vcpu_force_data_miss too.)
> Patch attached.
> Matt
> Signed-off-by: Matthew Chapman <matthewc@xxxxxx>

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