From: Luke Kenneth Casson Leighton <lkcl@lkcl.net>
To: Brice.Goglin@ens-lyon.org, linux-kernel@vger.kernel.org
Subject: Re: how do you call userspace syscalls (e.g. sys_rename) from inside kernel
Date: Fri, 8 Oct 2004 18:37:50 +0100 [thread overview]
Message-ID: <20041008173750.GP5551@lkcl.net> (raw)
In-Reply-To: <20041008163701.GV5033@lug-owl.de>
On Fri, Oct 08, 2004 at 06:37:01PM +0200, Jan-Benedict Glaw wrote:
> On Fri, 2004-10-08 17:20:25 +0100, Luke Kenneth Casson Leighton <lkcl@lkcl.net>
> wrote in message <20041008162025.GL5551@lkcl.net>:
> > On Fri, Oct 08, 2004 at 05:18:40PM +0200, Brice Goglin wrote:
>
> > > mm_segment_t old_fs;
> > > old_fs = get_fs();
> > > set_fs(KERNEL_DS);
> > > <do you stuff here>
> > > set_fs(old_fs);
> >
> > that's it! that's what i was looking for. thank you.
>
> Most probably, this is not what you were looking for. You just don't
> know that yet (-:
*grin*. yeh, like someone else privately responded saying i might want
to look at compat_alloc_userspace() instead :)
next prev parent reply other threads:[~2004-10-08 17:27 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-10-08 13:04 how do you call userspace syscalls (e.g. sys_rename) from inside kernel Luke Kenneth Casson Leighton
2004-10-08 13:07 ` Fabiano Ramos
2004-10-08 13:38 ` Brice Goglin
2004-10-08 15:04 ` Fabiano Ramos
2004-10-08 15:35 ` Luke Kenneth Casson Leighton
2004-10-08 14:02 ` Brian Gerst
2004-10-08 15:18 ` Luke Kenneth Casson Leighton
2004-10-08 15:12 ` Bernd Petrovitsch
2004-10-08 17:03 ` Luke Kenneth Casson Leighton
2004-10-08 15:18 ` Brice Goglin
2004-10-08 16:20 ` Luke Kenneth Casson Leighton
2004-10-08 16:37 ` Jan-Benedict Glaw
2004-10-08 17:37 ` Luke Kenneth Casson Leighton [this message]
2004-10-08 15:27 ` Brian Gerst
2004-10-08 17:04 ` Luke Kenneth Casson Leighton
2004-10-12 0:15 ` Jon Masters
2004-10-12 13:16 ` Luke Kenneth Casson Leighton
-- strict thread matches above, loose matches on Subject: below --
2004-10-10 23:13 Aboo Valappil
2004-10-10 23:35 ` Arnd Bergmann
2004-10-11 9:56 ` Jirka Kosina
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