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Re: [Xen-devel] [PATCH for-4.12 v3 3/8] xen/arm: Add support for read-only foreign mappings

On 21.12.18 18:26, Julien Grall wrote:
Currently, foreign mappings can only be read-write. A follow-up patch will
extend foreign mapping for Xen backend memory (via XEN_DOMID), some of
that memory should only be read accessible for the mapping domain.

Introduce a new p2m_type to cater read-only foreign mappings. For now,
the decision between the two foreign mapping type is based on the type
of the guest page mapped.

Signed-off-by: Julien Grall <julien.grall@xxxxxxx>

Andrii Anisov <andrii_anisov@xxxxxxxx>

Andrii Anisov.

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