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Re: [Xen-devel] [PATCH v3 2/5] arch, arm: add consistency checks to REMOVE p2m changes
- To: Ian Campbell <Ian.Campbell@xxxxxxxxxxxxx>
- From: Julien Grall <julien.grall@xxxxxxxxxx>
- Date: Fri, 21 Mar 2014 14:11:31 +0000
- Cc: paolo.valente@xxxxxxxxxx, keir@xxxxxxx, stefano.stabellini@xxxxxxxxxxxxx, Ian.Jackson@xxxxxxxxxxxxx, dario.faggioli@xxxxxxxxxx, tim@xxxxxxx, xen-devel@xxxxxxxxxxxxx, etrudeau@xxxxxxxxxxxx, JBeulich@xxxxxxxx, Arianna Avanzini <avanzini.arianna@xxxxxxxxx>, viktor.kleinik@xxxxxxxxxxxxxxx
- Delivery-date: Fri, 21 Mar 2014 14:11:38 +0000
- List-id: Xen developer discussion <xen-devel.lists.xen.org>
On 03/21/2014 02:09 PM, Ian Campbell wrote:
>> IHMO, memory_unmap should avoid to remove other region than MMIO. Mainly
>> because apply_p2m_changes might not remove every reference taken on a page.
>
> OK, but then the changes to apply_p2m_changes should be less specific to
> this case and usable even for e.g. sanity checking the removal of ram
> mappings too.
That was my point when I answered to arianna few days ago :).
--
Julien Grall
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