On Fri, Jun 18, 2021 at 02:28:26PM +0100, Steven Price wrote:

+When this capability is enabled all memory in (non-device) memslots must not
+used VM_SHARED, attempts to create a memslot with a VM_SHARED mmap will result
+in an -EINVAL return.

"must not used" doesn't sound right. Anyway, I'd remove VM_SHARED as
that's a kernel internal and not something the VMM needs to be aware of.
Just say something like "memslots must be mapped as shareable
(MAP_SHARED)".

Otherwise:

Reviewed-by: Catalin Marinas <catalin.marinas@arm.com>

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