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H A Dprocess.cdiff 9fcb2e93f41c07a400885325e7dbdfceba6efaec Tue Sep 14 11:44:02 CEST 2021 Dan Li <ashimida@linux.alibaba.com> arm64: Mark __stack_chk_guard as __ro_after_init

__stack_chk_guard is setup once while init stage and never changed
after that.

Although the modification of this variable at runtime will usually
cause the kernel to crash (so does the attacker), it should be marked
as __ro_after_init, and it should not affect performance if it is
placed in the ro_after_init section.

Signed-off-by: Dan Li <ashimida@linux.alibaba.com>
Acked-by: Mark Rutland <mark.rutland@arm.com>
Link: https://lore.kernel.org/r/1631612642-102881-1-git-send-email-ashimida@linux.alibaba.com
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>