Thanks Dave! I just verified that from System.map. Between __early_initcall_end and __initcall_end, there is list of init calls with levels from 0-7. What is significance of these levels.
Thanks, Rahul On Tue, Jan 8, 2013 at 7:01 PM, Dave Hylands <[email protected]> wrote: > Hi, > > > > On Tue, Jan 8, 2013 at 11:08 AM, Rahul Bedarkar <[email protected]> wrote: > > > > Ok. in init/main.c we call do_basic_setup(). Where do_initcalls call > each of init functions from __early_initcall_end to __initcall_end. But I > don't know from where these values gets initialized. > > If you look here: > http://lxr.linux.no/#linux+v3.7.1/include/linux/init.h#L279<http://lxr.linux.no/#linux+v3.7.1/include/linux/init.h%23L279> > > module_init is mapped to __initcall, which is in turn mapped to > device_initcall, which sets up a pointer in a section called .initcall6.init > > If you then look in the kernel linker script: > http://lxr.linux.no/#linux+v3.7.1/arch/arm/kernel/vmlinux.lds.S#L175<http://lxr.linux.no/#linux+v3.7.1/arch/arm/kernel/vmlinux.lds.S%23L175> > > INIT_CALLS is defined here: > http://lxr.linux.no/#linux+v3.7.1/include/asm-generic/vmlinux.lds.h#L633<http://lxr.linux.no/#linux+v3.7.1/include/asm-generic/vmlinux.lds.h%23L633> > > and it defines the __initcall_start and __initcall_end symbols. > > Dave Hylands >
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