From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-0.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_PASS,URIBL_BLOCKED autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 57876C28CF8 for ; Sat, 13 Oct 2018 20:38:46 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id B5BFA2077C for ; Sat, 13 Oct 2018 20:38:45 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org B5BFA2077C Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=linux.ee Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726032AbeJNERL (ORCPT ); Sun, 14 Oct 2018 00:17:11 -0400 Received: from mx2.cyber.ee ([193.40.6.72]:58149 "EHLO mx2.cyber.ee" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725732AbeJNERL (ORCPT ); Sun, 14 Oct 2018 00:17:11 -0400 To: linux-kernel@vger.kernel.org, linuxppc-dev@lists.ozlabs.org From: Meelis Roos Subject: 32-bit poweroc compile failure in v4.19-rc7-166-g7ec21823634d Message-ID: <17d36e6c-f99a-abfb-12cd-fa4b14bc7e09@linux.ee> Date: Sat, 13 Oct 2018 23:38:39 +0300 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.2.1 MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: et-EE Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org I tried to test the fix to 32-bit poweroc boot hang but found that current git does not compile on 32bit poweroc at all for me: CC arch/powerpc/kernel/ptrace.o In file included from ./include/linux/bitmap.h:9, from ./include/linux/cpumask.h:12, from ./include/linux/rcupdate.h:44, from ./include/linux/rculist.h:11, from ./include/linux/pid.h:5, from ./include/linux/sched.h:14, from arch/powerpc/kernel/ptrace.c:19: In function ‘memcpy’, inlined from ‘user_regset_copyin’ at ./include/linux/regset.h:295:4, inlined from ‘vr_set’ at arch/powerpc/kernel/ptrace.c:619:9: ./include/linux/string.h:345:9: error: ‘__builtin_memcpy’ offset [-527, -529] is out of the bounds [0, 16] of object ‘vrsave’ with type ‘union ’ [-Werror=array-bounds] return __builtin_memcpy(p, q, size); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~ arch/powerpc/kernel/ptrace.c: In function ‘vr_set’: arch/powerpc/kernel/ptrace.c:614:5: note: ‘vrsave’ declared here } vrsave; ^~~~~~ In file included from ./include/linux/bitmap.h:9, from ./include/linux/cpumask.h:12, from ./include/linux/rcupdate.h:44, from ./include/linux/rculist.h:11, from ./include/linux/pid.h:5, from ./include/linux/sched.h:14, from arch/powerpc/kernel/ptrace.c:19: In function ‘memcpy’, inlined from ‘user_regset_copyout’ at ./include/linux/regset.h:270:4, inlined from ‘vr_get’ at arch/powerpc/kernel/ptrace.c:572:9: ./include/linux/string.h:345:9: error: ‘__builtin_memcpy’ offset [-527, -529] is out of the bounds [0, 16] of object ‘vrsave’ with type ‘union ’ [-Werror=array-bounds] return __builtin_memcpy(p, q, size); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~ arch/powerpc/kernel/ptrace.c: In function ‘vr_get’: arch/powerpc/kernel/ptrace.c:567:5: note: ‘vrsave’ declared here } vrsave; ^~~~~~ cc1: all warnings being treated as errors make[1]: *** [scripts/Makefile.build:306: arch/powerpc/kernel/ptrace.o] Error 1 make: *** [Makefile:1052: arch/powerpc/kernel] Error 2 -- Meelis Roos