From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-pl0-f70.google.com (mail-pl0-f70.google.com [209.85.160.70]) by kanga.kvack.org (Postfix) with ESMTP id 25E9F6B0003 for ; Tue, 29 May 2018 11:32:57 -0400 (EDT) Received: by mail-pl0-f70.google.com with SMTP id i1-v6so9527723pld.11 for ; Tue, 29 May 2018 08:32:57 -0700 (PDT) Received: from mail-sor-f65.google.com (mail-sor-f65.google.com. [209.85.220.65]) by mx.google.com with SMTPS id g21-v6sor2589914plq.120.2018.05.29.08.32.55 for (Google Transport Security); Tue, 29 May 2018 08:32:56 -0700 (PDT) Date: Wed, 30 May 2018 00:32:52 +0900 From: Sergey Senozhatsky Subject: Re: [linux-stable-rc:linux-4.14.y 3879/4798] kernel//time/posix-timers.c:1231:1: note: in expansion of macro 'COMPAT_SYSCALL_DEFINE4' Message-ID: <20180529153252.GB521@tigerII.localdomain> References: <201805292323.ZKQwkUJy%fengguang.wu@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <201805292323.ZKQwkUJy%fengguang.wu@intel.com> Sender: owner-linux-mm@kvack.org List-ID: To: kbuild test robot Cc: Sergey Senozhatsky , kbuild-all@01.org, Greg Kroah-Hartman , Andrew Morton , Linux Memory Management List On (05/29/18 23:23), kbuild test robot wrote: > Hi Sergey, > > First bad commit (maybe != root cause): > > tree: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git linux-4.14.y > head: 9fcb9d72e8a3a813caae6e2fac43a73603d75abd > commit: 8e99c881e497e7f7528f693c563e204ae888a846 [3879/4798] tools/lib/subcmd/pager.c: do not alias select() params > config: x86_64-acpi-redef (attached as .config) > compiler: gcc-8 (Debian 8.1.0-3) 8.1.0 > reproduce: > git checkout 8e99c881e497e7f7528f693c563e204ae888a846 > # save the attached .config to linux build tree > make ARCH=x86_64 Hello, The commit in question is for a user space tool. I don't think it has anything to do with the __SYSCALL_DEFINEx macro. Seems that you have switched to gcc-8.1, which has aliasing warning ON by default. -ss