[Xen-devel] Re: Xenheap issue on 32b

[Keir Fraser <keir.fraser@xxxxxxxxxxxxx>]

In init_Xenheap_pages(), try placing the call to memguard_guard_range()
*after* the adjustments to ps and pe (i.e., immediately before the call to
init_heap_pages()). I reckon that simple change should work for you.

 -- Keir

On 28/01/2010 15:29, "Wang, Shane" <shane.wang@xxxxxxxxx> wrote:

> Hi Keir,
> 
> The issue causes page fault when the MACing code tries to access the page and
> hang.
> I suggest to initialize that page (I think it is in use because of dirty
> content) as unused, or xenheap_phys_end minus one page.
> 
> Which one do you prefer?
> 
> Thanks.
> Shane
> 
> Wang, Shane wrote:
>> 
>> OK, now the page 0xbff000 is xenheap according to is_xen_heap_page(),
>> and it is used according to is_page_in_use(), but it is not mapped.
>> The issue happens.
>> 
>> Comment?
>> 
>> Thanks.
>> Shane
> 
> 



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