From mboxrd@z Thu Jan  1 00:00:00 1970
From: Mukesh Rathor <mukesh.rathor@oracle.com>
Subject: Re: [PATCH] Re: dom0 boot failure with 256G
Date: Thu, 05 Jun 2008 19:43:38 -0700
Message-ID: <4848A45A.1060504@oracle.com>
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To: Jan Beulich <jbeulich@novell.com>
Cc: "Kurt C. Hackel" <kurt.hackel@oracle.com>, Keir Fraser <Keir.Fraser@cl.cam.ac.uk>, xen-devel <xen-devel@lists.xensource.com>
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Jan Beulich wrote:
>>   Trying to figure the hyp out, I notice phys addr is set as:
>>
>>   d->arch.physaddr_bitsize =
>>           fls((1UL << 32) - HYPERVISOR_COMPAT_VIRT_START(d)) - 1
>>             + (PAGE_SIZE - 2);
>>   which is set to 0x1019, totally baffling me. I'd expect it to be 32,
>>   36, or 64????????
> 
> Of course it should be PAGE_SHIFT in here! c/s 14097 screwed this up
> - sorry, my fault.
> 

Yup, that fixed it. Can you pl explain in couple sentences how we are getting 
at the physaddr_bitsize here?
I still don't understand why 37 is an OK size for a 32-PAE guest (i thought 36 
was max).

Thanks,
Mukesh