Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Mon, 18 Mar 2002 19:23:14 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Mon, 18 Mar 2002 19:23:05 -0500 Received: from cpe-24-221-152-185.az.sprintbbd.net ([24.221.152.185]:64388 "EHLO opus.bloom.county") by vger.kernel.org with ESMTP id ; Mon, 18 Mar 2002 19:22:50 -0500 Date: Mon, 18 Mar 2002 17:22:16 -0700 From: Tom Rini To: Jason Li Cc: Keith Owens , linux-kernel@vger.kernel.org Subject: Re: EXPORT_SYMBOL doesn't work Message-ID: <20020319002216.GH3762@opus.bloom.county> In-Reply-To: <2643.1016433275@kao2.melbourne.sgi.com> <3C963BF2.C9D78479@extremenetworks.com> <20020318191927.GB8155@opus.bloom.county> <3C964358.B4EA3C80@extremenetworks.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.3.27i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Mon, Mar 18, 2002 at 11:43:20AM -0800, Jason Li wrote: > Tom Rini wrote: > > > > On Mon, Mar 18, 2002 at 11:11:46AM -0800, Jason Li wrote: > > > Keith Owens wrote: > > > > > > > > On Sun, 17 Mar 2002 22:25:16 -0800, > > > > Jason Li wrote: > > > > >int (*fdbIoSwitchHook)( > > > > > unsigned long arg0, > > > > > unsigned long arg1, > > > > > unsigned long arg2)=NULL; > > > > >EXPORT_SYMBOL(fdbIoSwitchHook); > > > > >gcc -D__KERNEL__ -I/home/jli/cvs2/exos/linux/include -Wall > > > > >-Wstrict-prototypes -Wno-trigraphs -O2 -fomit-frame-pointer > > > > >-fno-strict-aliasing -fno-common -pipe -mpreferred-stack-boundary=2 > > > > >-march=i686 -c -o br_ioctl.o br_ioctl.c > > > > >br_ioctl.c:26: warning: type defaults to `int' in declaration of > > > > >`EXPORT_SYMBOL' > > > > > > > > #include > > > > > > > > Also add br_ioctl.o to export-objs in Makefile. > > > > > > Thanks alot. It works. > > > > > > Now another problem with versioning. It seems even after I have the > > > following in my module c file the symbol generated is not versioned: > > > > Backup your .config, run 'distclean' or 'mrproper' and try again. > > > > -- > > Tom Rini (TR1265) > > http://gate.crashing.org/~trini/ > > Just did a distclean. Now the inluce/linux/modules/netsym.ver has the > fdbIoSwitchHook version info. > > Recompiled the module. Did a nm on the module, and saw the version info > for the symbol. But when I dod insmod, it still complained about > unresolved symbol fdbIoSwitchHook. > > It seems now the version is different between the kernel and the module. > Should I wait for the bzImage compilation to complete and install the > new kernel? There are annoying depenancies with modversions. Basically the safe way is that if you change any export (add/remove), you should do a 'distclean', recompile everything and switch to that. -- Tom Rini (TR1265) http://gate.crashing.org/~trini/ - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/