From mboxrd@z Thu Jan 1 00:00:00 1970 From: chengong Subject: Re: modpost warning question Date: Wed, 25 Jul 2007 18:08:03 +0800 Message-ID: <1185358083.4996.6.camel@localhost.localdomain> References: <20070725072712.GB24093@uranus.ravnborg.org> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Cc: linuxppc-dev@ozlabs.org, netdev@vger.kernel.org, Jeff Garzik , linux-kernel@vger.kernel.org To: Sam Ravnborg Return-path: In-Reply-To: <20070725072712.GB24093@uranus.ravnborg.org> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: linuxppc-dev-bounces+glppd-linuxppc64-dev=m.gmane.org@ozlabs.org Errors-To: linuxppc-dev-bounces+glppd-linuxppc64-dev=m.gmane.org@ozlabs.org List-Id: netdev.vger.kernel.org On Wed, 2007-07-25 at 09:27 +0200, Sam Ravnborg wrote: > On Wed, Jul 25, 2007 at 02:14:12AM -0500, Kumar Gala wrote: > > I'm seeing the following warning: > > > > WARNING: vmlinux.o(.init.text+0x1acdc): Section mismatch: reference to > > .exit.text:gfar_mdio_exit (between 'gfar_init' and 'gfar_mdio_init') > > > > I don't understand why its not ok to access .exit.text from .init.text > > Several architectures discards .exit.text in the final linker > script (arch/$(ARCH)/kernel/vmlinux.lds.S > > So any references to .exit.text will when a module is build-in result > in a linker error because ld will flag it as an error when we reference > a symbol in a discarded section. But why? Just make kernel size smaller? > > For the popular architectures (i386,x86_64) we discard .exit.text at > runtime so here we do not see the error from ld (sadly). >>From which version? On my machine I have seen the same problem when building i386 target with the version 2.6.21. > > Sam > _______________________________________________ > Linuxppc-dev mailing list > Linuxppc-dev@ozlabs.org > https://ozlabs.org/mailman/listinfo/linuxppc-dev