Alex's #2 review

Signed-off-by: Miguel Ojeda <miguel.ojeda.sandonis@gmail.com>

Author: ojeda

drivers/char/rust_example/Cargo.toml

@@ -6,6 +6,7 @@
 name = "rust_example"
 version = "0.1.0"
 edition = "2018"
+publish = false
 
 [lib]
 crate-type = ["staticlib"]

rust/kernel/Cargo.toml

@@ -5,6 +5,7 @@ name = "kernel"
 version = "0.1.0"
 authors = ["Rust for Linux Contributors"]
 edition = "2018"
+publish = false
 
 [dependencies]
 bitflags = "1"

rust/kernel/src/lib.rs

@@ -53,13 +53,16 @@ macro_rules! kernel_module {
 
         // Built-in modules are initialized through an initcall pointer
         //
-        // TODO: find a proper way to emulate the C macro, including
-        // dealing with `HAVE_ARCH_PREL32_RELOCATIONS`
+        // TODO: find a proper way to emulate the C macro (`module_init`),
+        // including dealing with `HAVE_ARCH_PREL32_RELOCATIONS`
         #[cfg(not(module))]
         #[link_section = ".initcall6.init"]
         #[used]
         pub static __initcall: extern "C" fn() -> $crate::c_types::c_int = init_module;
 
+        // TODO: pass the kernel module name here to generate a unique,
+        // helpful symbol name (the name would also useful for the `modinfo`
+        // issue below).
         #[no_mangle]
         pub extern "C" fn init_module() -> $crate::c_types::c_int {
             match <$module as $crate::KernelModule>::init() {