bpftask: syscall_wrapper: TODOs

arch/x86/include/asm/syscall_wrapper.h

@@ -228,6 +228,10 @@ extern long __ia32_sys_ni_syscall(const struct pt_regs *regs);
 
 #define BPF_TASK_SYS(x, name, ...) BPF_TASK_SYS_##x(name)
 
+/* TODO: cast args to avoid warnings when passing argX to __do_sys(...)
+ *
+ * TODO: Instead of passing the array size we could pass one more arg directly
+ * if we define a special bpf type (long array of length 1 / 2). */
 #define BPF_TASK_SYS_1(name)						\
 	BPF_CALL_5(bpf_task_sys##name, u64, arg1, u64, arg2, u64, arg3, u64 *, arg_tail, u64, size) \
 	{								\
@@ -268,7 +272,6 @@ extern long __ia32_sys_ni_syscall(const struct pt_regs *regs);
 		return __do_sys##name(arg1, arg2, arg3, arg_tail[0], arg_tail[1], arg_tail[2]); \
 	}
 
-/* TODO: declare args in prototype */
 #define __SYSCALL_DEFINEx(x, name, ...)					\
 	static long __se_sys##name(__MAP(x,__SC_LONG,__VA_ARGS__));	\
 	static inline long __do_sys##name(__MAP(x,__SC_DECL,__VA_ARGS__));\