From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from sog-mx-2.v43.ch3.sourceforge.com ([172.29.43.192] helo=mx.sourceforge.net) by sfs-ml-4.v29.ch3.sourceforge.com with esmtp (Exim 4.76) (envelope-from ) id 1Yz9E7-0000Ht-DV for user-mode-linux-devel@lists.sourceforge.net; Sun, 31 May 2015 19:48:55 +0000 Received: from a.ns.miles-group.at ([95.130.255.143] helo=radon.swed.at) by sog-mx-2.v43.ch3.sourceforge.com with esmtps (TLSv1:AES256-SHA:256) (Exim 4.76) id 1Yz9E5-00029i-LE for user-mode-linux-devel@lists.sourceforge.net; Sun, 31 May 2015 19:48:55 +0000 Message-ID: <556B6599.3090801@nod.at> Date: Sun, 31 May 2015 21:48:41 +0200 From: Richard Weinberger MIME-Version: 1.0 References: <542FF203.50907@gmail.com> In-Reply-To: <542FF203.50907@gmail.com> List-Id: The user-mode Linux development list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: user-mode-linux-devel-bounces@lists.sourceforge.net Subject: Re: [uml-devel] [PATCH] um: kernel: ksyms: Export symbol syscall() for fixing modpost issue To: Chen Gang , jdike@addtoit.com Cc: Thomas Meyer , user-mode-linux-user@lists.sourceforge.net, user-mode-linux-devel@lists.sourceforge.net, linux-kernel@vger.kernel.org Am 04.10.2014 um 15:11 schrieb Chen Gang: > syscall() is implemented in libc.so/a (e.g. for glibc, in "syscall.o"), > so for normal ".o" files, it is undefined, neither can be found within > kernel wide, so will break modpost. > > Since ".o" files is OK, can simply export 'syscall' symbol, let modpost > know about that, then can fix this issue. > > The related error (with allmodconfig under um): > > MODPOST 1205 modules > ERROR: "syscall" [fs/hostfs/hostfs.ko] undefined! > > Signed-off-by: Chen Gang > --- > arch/um/kernel/ksyms.c | 3 +++ > 1 file changed, 3 insertions(+) > > diff --git a/arch/um/kernel/ksyms.c b/arch/um/kernel/ksyms.c > index 543c047..e7780f3 100644 > --- a/arch/um/kernel/ksyms.c > +++ b/arch/um/kernel/ksyms.c > @@ -42,3 +42,6 @@ EXPORT_SYMBOL(os_makedev); > EXPORT_SYMBOL(add_sigio_fd); > EXPORT_SYMBOL(ignore_sigio_fd); > EXPORT_SYMBOL(sigio_broken); > + > +extern long int syscall (long int __sysno, ...); > +EXPORT_SYMBOL(syscall); Thanks Chen, applied to my 4.2 queue! ------------------------------------------------------------------------------ _______________________________________________ User-mode-linux-devel mailing list User-mode-linux-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/user-mode-linux-devel