Re: [PATCH] x86: fix unconditional arch/x86/kernel/pcspeaker.c?compiling

[Ingo Molnar <mingo@elte.hu>]

* Michael Opdenacker <michael-lists@free-electrons.com> wrote:

> On 01/18/2008 12:02 PM, Ingo Molnar wrote:
> >
> > why didnt you make this:
> >
> >   obj-$(CONFIG_INPUT_PCSPKR)		+= pcspeaker.o
> >
> > ?
> >   
> Many thanks for your feedback.
> 
> That's what I did first, but if CONFIG_INPUT_PCSPKR=m, 
> arch/x86/kernel/pcspeaker.c gets compiled as a module. While compiling 
> doesn't fail, is this still a valid module? It defines no init and 
> exit functions, and it defines an initcall, which only makes sense at 
> boot time.
> 
> We could make pcspeaker.c depend on another switch, like 
> CONFIG_PCSPEAKER on mips. We could offer the possibility to disable it 
> when CONFIG_EMBEDDED is set.

i'm confused, the .ko definitely exists:

 europe:~> uname -r
 2.6.24-0.123.rc6.fc9

 europe:~> lsmod | grep pcspkr
 pcspkr                  6400  0

ah, this is a different .ko.

perhaps the right solution would be to only build it in if 
CONFIG_PCSPEAKER is "y" or "m". I.e. your original patch?

	Ingo