linux-kernel - Re: [newbie] Re: Is it possible to directly call do_path

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Date:	Wed, 24 Jan 2007 02:59:45 -0500
From:	"Xin Zhao" <uszhaoxin@...il.com>
To:	"Oleg Verych" <olecom@...wer.upol.cz>,
	linux-kernel <linux-kernel@...r.kernel.org>
Subject: Re: [newbie] Re: Is it possible to directly call do_path_lookup() in kernel?

Thanks for your reply.

But more details are appreciated. Actually I checked linkage.h before
I sent last email. Looks like "fastcall" is used to direct the
compiler to put the first 3 parameters into registers instead of
stack. But I just don't understand why that causes "general protection
fault".

I am writing a new file system on Linux platform. So I thought this is
the right email list where I can discuss Linux kernel developing
questions. Is this email list only used to post patches and report
bugs? If so, I will stay away.

-x

On 1/24/07, Oleg Verych <olecom@...wer.upol.cz> wrote:
>
> On 2007-01-24, Xin Zhao wrote:
> > Archived-At: <http://permalink.gmane.org/gmane.linux.kernel/485775>
>
> Hallo.
>
> > I just successfully called do_path_lookup() in my kernel module. I
> > just removed the "fastcall" from the declaration of do_path_lookup(),
> > then the problem disappeared. I don't quite understand "fastcall"
> > though.
>
> In linkage.h header near you.
>
> > Can someone explain it?
>
> Please use appropriate mailing list:
>
> Kernelnewbies: Help each other learn about the Linux kernel.
> Archive:       http://mail.nl.linux.org/kernelnewbies/
> FAQ:           http://kernelnewbies.org/faq/
>
> > Thanks,
> > -x
> >
> ____
>
-
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