The OP-TEE secure OS exposes a non-secure memory region for
communication between the secure OS itself and any clients in the
non-secure firmware. This memory is writable by non-secure and is not
used for code only data, and so it should be mapped non-executable.
Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
Reviewed-by: Leif Lindholm <quic_llindhol@quicinc.com>
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