This test covers the mte memory behaviour of the forked process with
different mapping properties and flags. It checks that all bytes of
forked child memory are accessible with the same tag as that of the
parent and memory accessed outside the tag range causes fault to
occur.
Co-developed-by: NGabor Kertesz <gabor.kertesz@arm.com>
Signed-off-by: NGabor Kertesz <gabor.kertesz@arm.com>
Signed-off-by: NAmit Daniel Kachhap <amit.kachhap@arm.com>
Tested-by: NCatalin Marinas <catalin.marinas@arm.com>
Acked-by: NCatalin Marinas <catalin.marinas@arm.com>
Cc: Shuah Khan <shuah@kernel.org>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Will Deacon <will@kernel.org>
Link: https://lore.kernel.org/r/20201002115630.24683-4-amit.kachhap@arm.comSigned-off-by: NWill Deacon <will@kernel.org>