linux-kernel - Re: sys_init_module system call

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Message-ID: <1282344637.1631.13.camel@bencharluo-laptop>
Date:	Sat, 21 Aug 2010 06:50:37 +0800
From:	runcoderen <runcoderzhcn@...il.com>
To:	Randy Dunlap <randy.dunlap@...cle.com>
Cc:	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: sys_init_module system call

hi Randy:
yes, it does!
Thanks a lot!
	runcoderen

在 2010-08-20五的 15:32 -0700，Randy Dunlap写道：
> On Sat, 21 Aug 2010 06:18:04 +0800 runcoderen wrote:
> 
> > hi all
> > I find sys_init_module system call in kernel/module.c file.
> > but it did not find any.
> > the source code version is linux-2.6.35
> > 
> > does the kernel have changed?
> > 
> > the book I am reading is LDD 3rd edition
> 
> You won't find a function in kernel/module.c that looks like it has
> the name "sys_init_module".  Instead, the function is defined by using
> a macro, and it looks like this:
> 
> /* This is where the real work happens */
> SYSCALL_DEFINE3(init_module, void __user *, umod,
> 		unsigned long, len, const char __user *, uargs)
> {
> 
> 
> 
> The use of SYSCALL_DEFINEx(func_name, args) is a fairly recent change
> (well, January, 2009) that may be the reason why you think that there
> has been a change.  See
> http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=1a94bc34768e463a93cb3751819709ab0ea80a01
> 
> 
> ---
> ~Randy
> *** Remember to use Documentation/SubmitChecklist when testing your code ***

-- 

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