Hi,
please refer to the macro definition INITCALLS in the header file
include/asm-generic/vmlinux.lds.h -- many definitions are moved to
this file now.
2010/9/14 linuxkernel.xqiang <linuxkernel.xqiang@xxxxxxxxx>:
> Hi all!
> I have a question about when and where sock_init() excutes in linux-2.6.35.4.
> As I know, when in the old version such as linux-2.6.16, it looks like as fllow:
>
> start_kernel->rest_init->kernel_thread(init)
> init->do_basic_setup->sock_init
>
> But now in linux-2.6.35.4, sock_init has gone when do_basic_setup excutes.
> I notice the some information in linux-2.6.35.4
>
> /linux-2.6.35.4/include/init/init.h
> #define __define_initcall(level,fn,id) \
> static initcall_t __initcall_##fn##id __used \
> __attribute__((__section__(".initcall" level ".init"))) = fn
> #define core_initcall(fn) __define_initcall("1",fn,1)
>
> /linux-2.6.35.4/net/socket.c
> core_initcall(sock_init); /* early initcall */
>
> /linux-2.6.35.4/init/main.c
> static void __init do_initcalls(void)
> {
> initcall_t *fn;
> for (fn = __early_initcall_end; fn < __initcall_end; fn++)
> do_one_initcall(*fn);
> /* Make sure there is no pending stuff from the initcall sequence */
> flush_scheduled_work();
> }
>
> when in linux-2.6.18/arch/i386/kernel/vmlinux.lds.S
> .initcall.init : AT(ADDR(.initcall.init) - LOAD_OFFSET) {
> *(.initcall1.init)
> *(.initcall2.init)
> *(.initcall3.init)
> *(.initcall4.init)
> *(.initcall5.init)
> *(.initcall6.init)
> *(.initcall7.init)
> }
> __initcall_end = .;
> now in linux-2.6.35.4/arch/, there is no i386/, so i reached to x86/kernel/vmlinux.lds.S
> but in this file, i found no information about section .initcall1.init ~ .initcall7.init
>
> So i confused when and where sock_init() excutes in linux-2.6.35.4
>
> Any reply is welcome. Thanks and have a nice day!
> Best Wishes!
>
> 2010-09-13
> huangqiang.zhou
>
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--
Best regards,
Tony Wan
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