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xen-devel
[Xen-devel] RE: Xenheap issue on 32b
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To: |
"Wang, Shane" <shane.wang@xxxxxxxxx>, "xen-devel@xxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxx>, Keir Fraser <keir.fraser@xxxxxxxxxxxxx> |
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Subject: |
[Xen-devel] RE: Xenheap issue on 32b |
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From: |
"Wang, Shane" <shane.wang@xxxxxxxxx> |
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Date: |
Thu, 28 Jan 2010 23:29:38 +0800 |
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Cc: |
"Cihula, Joseph" <joseph.cihula@xxxxxxxxx>, "Hao, Xudong" <xudong.hao@xxxxxxxxx> |
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Thu, 28 Jan 2010 07:29:59 -0800 |
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Thread-topic: |
Xenheap issue on 32b |
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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