Re: [Xen-devel] [PATCH v3 47/62] arm/p2m: Add helper functions to map memory regions

[Shannon Zhao <zhaoshenglong@xxxxxxxxxx>]

On 2015/11/30 23:22, Julien Grall wrote:
> Hi,
> 
> On 27/11/15 12:04, Stefano Stabellini wrote:
>> > On Tue, 17 Nov 2015, shannon.zhao@xxxxxxxxxx wrote:
>>> >> From: Parth Dixit <parth.dixit@xxxxxxxxxx>
>>> >>
>>> >> Create a helper function for mapping with cached attributes.
>>> >>
>>> >> Signed-off-by: Parth Dixit <parth.dixit@xxxxxxxxxx>
>>> >> Signed-off-by: Shannon Zhao <shannon.zhao@xxxxxxxxxx>
>> > 
>> > You might be able to use the existing guest_physmap_add_entry and
>> > guest_physmap_remove_page for your purposes.
> I would rather avoid to do that, those function use the type p2m_ram_rw
> which imply the memory is executable.

It could pass the type p2m_mmio_direct or p2m_ram_ro to
guest_physmap_add_entry, right?

Thanks,
-- 
Shannon


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