From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753724AbdBGKFt (ORCPT ); Tue, 7 Feb 2017 05:05:49 -0500 Received: from mx2.suse.de ([195.135.220.15]:52479 "EHLO mx2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753230AbdBGKFq (ORCPT ); Tue, 7 Feb 2017 05:05:46 -0500 Subject: Re: [Xen-devel] [PATCH v3 4/9] xen/pvh: Bootstrap PVH guest To: Boris Ostrovsky , kbuild test robot References: <201702070358.H5rpxssJ%fengguang.wu@intel.com> <64ef3143-4710-5714-e070-6a768c16b390@oracle.com> Cc: kbuild-all@01.org, xen-devel@lists.xenproject.org, linux-kernel@vger.kernel.org, roger.pau@citrix.com From: Juergen Gross Message-ID: Date: Tue, 7 Feb 2017 11:05:43 +0100 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:45.0) Gecko/20100101 Thunderbird/45.7.0 MIME-Version: 1.0 In-Reply-To: <64ef3143-4710-5714-e070-6a768c16b390@oracle.com> Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 06/02/17 21:37, Boris Ostrovsky wrote: > On 02/06/2017 02:29 PM, kbuild test robot wrote: >> Hi Boris, >> >> [auto build test WARNING on xen-tip/linux-next] >> [also build test WARNING on v4.10-rc7] >> [cannot apply to next-20170206] >> [if your patch is applied to the wrong git tree, please drop us a note to help improve the system] >> >> url: https://github.com/0day-ci/linux/commits/Boris-Ostrovsky/x86-boot-32-Convert-the-32-bit-pgtable-setup-code-from-assembly-to-C/20170207-014642 >> base: https://git.kernel.org/pub/scm/linux/kernel/git/xen/tip.git linux-next >> config: x86_64-randconfig-it0-02062149 (attached as .config) >> compiler: gcc-4.9 (Debian 4.9.4-2) 4.9.4 >> reproduce: >> # save the attached .config to linux build tree >> make ARCH=x86_64 >> >> All warnings (new ones prefixed by >>): >> >>>> arch/x86/xen/xen-pvh.o: warning: objtool: pvh_start_xen()+0x57: call without frame pointer save/setup > > pvh_start_xen() is never called so this needs > > diff --git a/arch/x86/xen/xen-pvh.S b/arch/x86/xen/xen-pvh.S > index 512fda0..5e24671 100644 > --- a/arch/x86/xen/xen-pvh.S > +++ b/arch/x86/xen/xen-pvh.S > @@ -133,7 +133,7 @@ ENTRY(pvh_start_xen) > > ljmp $__BOOT_CS, $_pa(startup_32) > #endif > -ENDPROC(pvh_start_xen) > +END(pvh_start_xen) > > .section ".init.data","aw" > .balign 8 > > (I don't think it's worth re-sending the series with just this change). With this change folded in: Reviewed-by: Juergen Gross Juergen