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

From: Ingo Molnar
Date: Fri Jan 18 2008 - 07:26:16 EST



* Michael Opdenacker <michael-lists@xxxxxxxxxxxxxxxxxx> 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
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