Re: [idea] request_module(const char *fmt, ...);

From: Rogier Wolff (R.E.Wolff@BitWizard.nl)
Date: Wed Jan 12 2000 - 06:03:14 EST


Pauline Middelink wrote:
> On Tue, Jan 11, 2000 at 12:41:40PM +0000, Tigran Aivazian wrote:
> > I forgot to add it is clear that the compiler does *NOT* optimize the
> > chunk away even if request_module() is a nop, so there *is* some
> > optimization gained by my idea in comparison to simply dropping
> > #ifdef/#endif.
>
> You could refine this idea by making it a macro, which resolves
> into nothingness if CONFIG_KMOD is undefined. The function
> called in the macro (__request_module?) is also not compiled
> if CONFIG_KMOD is not set.
> (Yes, you can do varargs in a macro, use ...)

If you do it like this, Tigran's suggestion that the whole kernel
doesn't require recompilation on change of kmod setting is no longer
valid. (but I don't think that that's important!)

                                Roger.

-- 
** R.E.Wolff@BitWizard.nl ** http://www.BitWizard.nl/ ** +31-15-2137555 **
*-- BitWizard writes Linux device drivers for any device you may have! --*
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