From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from aserp1040.oracle.com ([141.146.126.69]:31306 "EHLO aserp1040.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750972AbcCXMjO (ORCPT ); Thu, 24 Mar 2016 08:39:14 -0400 Subject: Re: Build error in 3.18.y-stable-queue (s390) To: Guenter Roeck , stable References: <56F210BD.1060301@roeck-us.net> <56F219B0.3040107@roeck-us.net> From: Sasha Levin Message-ID: <56F3DFC3.8060600@oracle.com> Date: Thu, 24 Mar 2016 08:38:27 -0400 MIME-Version: 1.0 In-Reply-To: <56F219B0.3040107@roeck-us.net> Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit Sender: stable-owner@vger.kernel.org List-ID: Thanks for the report Guenter! On 03/23/2016 12:21 AM, Guenter Roeck wrote: > On 03/22/2016 08:42 PM, Guenter Roeck wrote: >> Hi Sasha, >> >> s390 builds in v3.18.y-stable-queue fail as follows. >> >> ./arch/s390/include/asm/mmu_context.h: In function 'init_new_context': >> ./arch/s390/include/asm/mmu_context.h:33:3: error: implicit declaration of function 'mm_inc_nr_pmds' >> >> Culprit appears to be 's390/mm: four page table levels vs. fork'. It uses mm_inc_nr_pmds(), >> which does not exist in v3.18. Should be fixed, I backported "mm: account pmd page tables to the process" as well. >> I noticed that arm64:allmodconfig builds fail as well, but that is not a new problem and >> only seen with gcc 5.2 (or at least not with gcc 4.9.1). I'll see if I can track this down. >> > > Fixing the arm64 problem will require patch f5e0a12ca2d9 ("arm64: psci: move psci firmware > calls out of line"). The patch doesn't apply cleanly; there is a minor conflict in the > arm64 Makefile. Let me know if you need me to send a backport. I've grabbed that commit. Thanks, Sasha