Re: [PATCH] Input: parkbd - Drop bogus __init from parkbd_allocate_serio()

From: Geert Uytterhoeven
Date: Mon Nov 09 2015 - 08:28:18 EST


Hi Sudip,

On Mon, Nov 9, 2015 at 2:05 PM, Sudip Mukherjee
<sudipm.mukherjee@xxxxxxxxx> wrote:
> On Sat, Nov 07, 2015 at 04:53:23PM +0100, Geert Uytterhoeven wrote:
>> WARNING: vmlinux.o(.text+0x1056606): Section mismatch in reference from the function parkbd_attach() to the function .init.text:parkbd_allocate_serio()
>> The function parkbd_attach() references
>> the function __init parkbd_allocate_serio().
>> This is often because parkbd_attach lacks a __init
>> annotation or the annotation of parkbd_allocate_serio is wrong.
>>
>> Commit 33ca8ab97cbb676d ("Input: parkbd - use parallel port device
>> model") dropped the __init attribute from the sole caller of
>> parkbd_allocate_serio(), but forgot to remove it from
>> parkbd_allocate_serio() itself.
>>
>> Fixes: 33ca8ab97cbb676d ("Input: parkbd - use parallel port device model")
>> Signed-off-by: Geert Uytterhoeven <geert@xxxxxxxxxxxxxx>
>
> I don't see this with allmodconfig on i386 or on x86_64. How did you get
> this warning? But anyway, looking at the code, i did miss attribute.

It depends on your compiler version. If your compiler decides to inline
parkbd_allocate_serio(), you won't see that warning.

> Acked-by: Sudip Mukherjee <sudipm.mukherjee@xxxxxxxxx>

Thanks!

Gr{oetje,eeting}s,

Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@xxxxxxxxxxxxxx

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
-- Linus Torvalds
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/