ARM: 6878/1: fix personality flag propagation across an exec
Our SET_PERSONALITY() implementation was overwriting all existing personality flags, including ADDR_NO_RANDOMIZE, making them unavailable to processes being exec'd after a call to personality() in user space. This prevents the gdb test suite from running successfully. Signed-off-by: Nicolas Pitre <nicolas.pitre@linaro.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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