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Philippe Gerum authored
Unless explicitly paired with access_w/rok() checks, all copy to/from helpers should implement the safe form, testing for the basic sanity of the address range. cobalt_copy_to/from_user() implement the safe call form in replacement of __xn_safe_copy_to/from_user(). __xn_copy_to/from_user() still implement the unchecked variant, assuming the address range will be checked separately. Drivers should stick with the rtdm_copy_to/from_user() helpers.
cc47a310