On Tue, 19 Aug 2008, Fundu wrote:
> > linux/init.h:
> >
> > #ifndef MODULE
> > ...
> > #define module_init(x) __initcall(x);
> > #define __initcall(fn) device_initcall(fn)
> > #define device_initcall(fn)
> > __define_initcall("6",fn)
> > #define __define_initcall(level,fn) \
> > static initcall_t __initcall_##fn __attribute_used__
> > \
> > __attribute__((__section__(".initcall" level
> > ".init"))) = fn
> > ...
> > #endif
> >
> > initcalls are processed in do_initcalls function in
> > init/main.c
> >
> > static void __init do_basic_setup(void)
> > {
> > ....
> > do_initcalls();
> > }
> >
> > >
> > > thanks !
> >
> > Amol
> thanks Rajat and Amol.
>
> One other question,
> 1) how does the kernel know which module to load first in order to satisfy
> dependencies issues ?
By looking at the needed symbols (cfr. depmod).
> 2) is there a way i could print the module init fn name from do_initcalls. to
> see in what order compiled in modules are called.
Add `initcall_debug' to the kernel command line (if you would have looked at
do_initcalls() and do_one_initcall(), you would have known).
With kind regards,
Geert Uytterhoeven
Software Architect
Sony Techsoft Centre Europe
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