RE: [Xen-devel] X86_64 "assert" when booting 64-bit image.

["Nakajima, Jun" <jun.nakajima@xxxxxxxxx>]

Nakajima, Jun wrote:
> Keir Fraser wrote:
>> On 9 Feb 2006, at 17:44, Nakajima, Jun wrote:
>> 
>>> I think that particular check is valid; it's basically saying "we
>>> shadow page tables only". I feel mfn_is_page_table can be wrong with
>>> the type PGT_fl1_shadow, which is bigger than PGT_l4_shadow.  Let me
>>> check and come back. I slightly remember I needed to kill the check
>>> when I was debugging the code, but not sure if it was triggered by a
>>> bug.
>> 
>> Yeah, you killed the check by calling ___shadow_status() directly in
>> one place, but there's also a path via sync_all which still was bad.
>> 
>> I just killed the whole function and renamed ___shadow_status() to
>> take its place. 
>> 
>>   -- Keir
> 
> Sounds sensible. That check was overkill for the non-debug Xen. I
> checked if we can remove the whole section, and it worked fine (i.e.
> 64-bit hvm guest on the 64-bit Xen).

BTW, the xen built with debug=y also worked fine with this. 

> 
> Jun
> ---
> Intel Open Source Technology Center


Jun
---
Intel Open Source Technology Center

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