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1690dcf27c
Add kfunc scalar argument types, classify them in get_kfunc_arg_type() along side with pointer arguments and move scalar type verification into the main switch in check_kfunc_args(). This keeps BTF-based classification separate from register validation for every argument, paving the way for generating the kfunc argument prototype at add-call time. No functional change intended. KF_ARG_MEM_SIZE and KF_ARG_CONST_MEM_SIZE now are reachable. Therefore, remove the fallthrough from KF_ARG_PTR_TO_MEM case and adjust the register indexing. Signed-off-by: Amery Hung <ameryhung@gmail.com> Reviewed-by: Eduard Zingerman <eddyz87@gmail.com> Link: https://lore.kernel.org/bpf/20260801074633.1595644-18-ameryhung@gmail.com Signed-off-by: Kumar Kartikeya Dwivedi <memxor@gmail.com>