From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from az33egw02.freescale.net (az33egw02.freescale.net [192.88.158.103]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client CN "az33egw02.freescale.net", Issuer "Thawte Premium Server CA" (verified OK)) by ozlabs.org (Postfix) with ESMTP id AA8C9DDDD5 for ; Wed, 25 Jul 2007 20:08:12 +1000 (EST) Received: from az33smr01.freescale.net (az33smr01.freescale.net [10.64.34.199]) by az33egw02.freescale.net (8.12.11/az33egw02) with ESMTP id l6PA872a022855 for ; Wed, 25 Jul 2007 03:08:07 -0700 (MST) Received: from zch01exm21.fsl.freescale.net (zch01exm21.ap.freescale.net [10.192.129.205]) by az33smr01.freescale.net (8.13.1/8.13.0) with ESMTP id l6PA85SD003894 for ; Wed, 25 Jul 2007 05:08:06 -0500 (CDT) Subject: Re: modpost warning question From: chengong To: Sam Ravnborg In-Reply-To: <20070725072712.GB24093@uranus.ravnborg.org> References: <20070725072712.GB24093@uranus.ravnborg.org> Content-Type: text/plain Date: Wed, 25 Jul 2007 18:08:03 +0800 Message-Id: <1185358083.4996.6.camel@localhost.localdomain> Mime-Version: 1.0 Cc: linuxppc-dev@ozlabs.org, netdev@vger.kernel.org, Jeff Garzik , linux-kernel@vger.kernel.org List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , 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