hello list, I've seen that there are two section (.altinstructions and .altinstr_replacement), there are some "polimorphic" code that is replaced at runtime, now in arch/x86_64/lib/copy_user.S there are copy_user_generic_unrolled and copy_user_generic_string, that replaces the function that is used, my question is: where and how the decision on what code is used (in this case copy_user_generic_unrolled or copy_user_generic_string) for replace code?
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