From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752809AbbJTUpL (ORCPT ); Tue, 20 Oct 2015 16:45:11 -0400 Received: from ozlabs.org ([103.22.144.67]:34918 "EHLO ozlabs.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751216AbbJTUpJ (ORCPT ); Tue, 20 Oct 2015 16:45:09 -0400 Date: Wed, 21 Oct 2015 07:45:07 +1100 From: Stephen Rothwell To: Michael Ellerman Cc: Benjamin Herrenschmidt , linuxppc-dev@lists.ozlabs.org, linux-next@vger.kernel.org, linux-kernel@vger.kernel.org, Denis Kirjanov Subject: Re: linux-next: build warning after merge of the powerpc tree Message-ID: <20151021074507.46c85604@canb.auug.org.au> In-Reply-To: <1445335611.2152.4.camel@ellerman.id.au> References: <20151020162155.01391301@canb.auug.org.au> <1445335611.2152.4.camel@ellerman.id.au> X-Mailer: Claws Mail 3.13.0 (GTK+ 2.24.28; x86_64-pc-linux-gnu) MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi Michael, On Tue, 20 Oct 2015 21:06:51 +1100 Michael Ellerman wrote: > > On Tue, 2015-10-20 at 16:21 +1100, Stephen Rothwell wrote: > > > After merging the powerpc tree, today's linux-next build (powerpc > > allyesconfig) produced this warning: > > > > WARNING: vmlinux.o(.text+0x9367c): Section mismatch in reference from the function .msi_bitmap_alloc() to the function .init.text:.memblock_virt_alloc_try_nid() > > The function .msi_bitmap_alloc() references > > the function __init .memblock_virt_alloc_try_nid(). > > This is often because .msi_bitmap_alloc lacks a __init > > annotation or the annotation of .memblock_virt_alloc_try_nid is wrong. > > > > Introduced (probably) by commit > > > > cb2d3883c603 ("powerpc/msi: Free the bitmap if it was slab allocated") > > Yeah that's correct, though it should be safe in practice. > > I'm not sure why you only saw that now though, the patch has been in next since > the 13th of October. I don't always notice new warnings immediately among all the others :-( -- Cheers, Stephen Rothwell sfr@canb.auug.org.au