From: Randy Dunlap <rdunlap@xenotime.net>
To: "Huangqiang Zhou" <linuxkernel.xqiang@gmail.com>
Cc: "ly" <ly@yahoo.com.cn>, "linux-net" <linux-net@vger.kernel.org>,
"netdev" <netdev@vger.kernel.org>
Subject: Re: How about the order of Network stack initialize
Date: Fri, 17 Sep 2010 14:19:40 -0700 [thread overview]
Message-ID: <20100917141940.f2e5ff20.rdunlap@xenotime.net> (raw)
In-Reply-To: <201009160906134537778@gmail.com>
On Thu, 16 Sep 2010 09:06:16 +0800 Huangqiang Zhou wrote:
> Hi all:
>
> I have a question about the order of network stack initialize.
>
> From some books it says the order is as below:
> 1.core_initcall: sock_init
> 2.fs_initcall: inet_init
> 3.subsys_initcall: net_dev_init
> 4.device_initcall: device init
>
> in the source code of linux2.6.18:
> #define core_initcall(fn) __define_initcall("1",fn)
> #define postcore_initcall(fn) __define_initcall("2",fn)
> #define arch_initcall(fn) __define_initcall("3",fn)
> #define subsys_initcall(fn) __define_initcall("4",fn)
> #define fs_initcall(fn) __define_initcall("5",fn)
> #define device_initcall(fn) __define_initcall("6",fn)
> #define late_initcall(fn) __define_initcall("7",fn)
>
> obviously:
> macro section
> core_initcall <--> .initcall1.init
> fs_initcall <--> .initcall5.init
> subsys_initcall <--> .initcall4.init
> device_intcall <--> .initcall6.init
>
> Some also says:
> “Every child is to determine the sequence between sections, the first call. Initcall1 init.
> The function pointer, again. Initcall2 init. Call the function pointer, etc. And in each section
> of the function pointer is associated with links to order, is uncertain ”
>
> As the above says, the order should be: core_initcall->subsys_initcall->fs_initcall->device_intcall
>
> So which one is really correct?
>
> 2010-09-15
> Huangqiang Zhou
Hi,
BTW, did you find out anything from your previous posting's answers?
http://marc.info/?l=linux-net&m=128443018603483&w=2
---
~Randy
*** Remember to use Documentation/SubmitChecklist when testing your code ***
next prev parent reply other threads:[~2010-09-17 21:19 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-09-16 1:06 How about the order of Network stack initialize Huangqiang Zhou
2010-09-17 21:19 ` Randy Dunlap [this message]
[not found] ` <201009190848041099641@gmail.com>
2010-09-19 0:53 ` Randy Dunlap
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