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=-7.2 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED, USER_AGENT_SANE_1 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 9D776C2D0F0 for ; Wed, 1 Apr 2020 23:05:23 +0000 (UTC) Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 7D6572077D for ; Wed, 1 Apr 2020 23:05:23 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 7D6572077D Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=intel.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=intel-gfx-bounces@lists.freedesktop.org Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 3A4446E9BB; Wed, 1 Apr 2020 23:05:23 +0000 (UTC) Received: from mga06.intel.com (mga06.intel.com [134.134.136.31]) by gabe.freedesktop.org (Postfix) with ESMTPS id EE9E66E9BB for ; Wed, 1 Apr 2020 23:05:21 +0000 (UTC) IronPort-SDR: DTGI1aaLaNKC7R0Gi/7QnRd4Oe0w5oEPiIYHlYnECdFMqiZcXbhO2RUfi0UmmgJq5ze5U3vq0a vlmj2g0z1FQw== X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga005.fm.intel.com ([10.253.24.32]) by orsmga104.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 01 Apr 2020 16:05:21 -0700 IronPort-SDR: ZIlyBX7qf6CFewib8rv/C9NE3o9wVTQCvbLWkI9MkZCbxh/WXcERTxSkJ5s/OrjdVr0ORqyWzM xp10HO35e7fw== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.72,333,1580803200"; d="scan'208";a="449396866" Received: from pl-dbox.sh.intel.com (HELO intel.com) ([10.239.159.39]) by fmsmga005.fm.intel.com with ESMTP; 01 Apr 2020 16:05:18 -0700 Date: Thu, 2 Apr 2020 07:04:43 +0800 From: Philip Li To: Nick Desaulniers Message-ID: <20200401230443.GA3836@intel.com> References: <20200331104209.432176-2-maarten.lankhorst@linux.intel.com> <202004011452.AyhP9ZdC%lkp@intel.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.10.1 (2018-07-13) Subject: Re: [Intel-gfx] [PATCH 02/23] perf/core: Only copy-to-user after completely unlocking all locks. X-BeenThere: intel-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Intel graphics driver community testing & development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: kbuild-all@lists.01.org, intel-gfx@lists.freedesktop.org, clang-built-linux Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" On Wed, Apr 01, 2020 at 11:55:28AM -0700, Nick Desaulniers wrote: > On Tue, Mar 31, 2020 at 11:50 PM kbuild test robot wrote: > > > > Hi Maarten, > > > > I love your patch! Perhaps something to improve: > > > > [auto build test WARNING on drm-tip/drm-tip] > > [also build test WARNING on next-20200331] > > [cannot apply to drm-intel/for-linux-next tip/perf/core v5.6] > > [if your patch is applied to the wrong git tree, please drop us a note to help > > improve the system. BTW, we also suggest to use '--base' option to specify the > > base tree in git format-patch, please see https://stackoverflow.com/a/37406982] > > > > url: https://github.com/0day-ci/linux/commits/Maarten-Lankhorst/Revert-drm-i915-gem-Drop-relocation-slowpath/20200401-005710 > > base: git://anongit.freedesktop.org/drm/drm-tip drm-tip > > config: x86_64-randconfig-d003-20200331 (attached as .config) > > compiler: clang version 11.0.0 (https://github.com/llvm/llvm-project 5227fa0c72ce55927cf4849160acb00442489937) > > reproduce: > > wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross > > chmod +x ~/bin/make.cross > > # save the attached .config to linux build tree > > COMPILER=clang make.cross ARCH=x86_64 > > > > If you fix the issue, kindly add following tag > > Reported-by: kbuild test robot > > > > All warnings (new ones prefixed by >>): > > > > >> kernel/events/core.o: warning: objtool: perf_read()+0x306: stack state mismatch: reg1[3]=-2-56 reg2[3]=-1+0 > > Apologies Maarten, this objtool warning looks like maybe a compiler > bug for us to fix. > > Philip, I tried to reproduce by cloning > git://anongit.freedesktop.org/drm/drm-tip, but I don't understand the > URL in the report. Were Maarten's patches on top of drm-tip? Is Hi Nick, this is report for patch we receive from the mailing list, so the patch series is applied on "git://anongit.freedesktop.org/drm/drm-tip drm-tip", and form a branch at "https://github.com/0day-ci/linux/commits/Maarten-Lankhorst/Revert-drm-i915-gem-Drop-relocation-slowpath/20200401-005710". The url is the real code to be checked out that can be used to reproduce. Thanks > there a tree you found them from (rather than me fetching the 0day > branch on github)? (Or maybe this is what a report looks like for a > series posted to the list?) Apologies for the naivete, but I plan to > triage as many of these reports on the Clang side as I can in my free > time, so I want to make sure I understand precisely what failure is > occurring where and how. > -- > Thanks, > ~Nick Desaulniers _______________________________________________ Intel-gfx mailing list Intel-gfx@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/intel-gfx From mboxrd@z Thu Jan 1 00:00:00 1970 Content-Type: multipart/mixed; boundary="===============6005248611107394527==" MIME-Version: 1.0 From: Philip Li To: kbuild-all@lists.01.org Subject: Re: [Intel-gfx] [PATCH 02/23] perf/core: Only copy-to-user after completely unlocking all locks. Date: Thu, 02 Apr 2020 07:04:43 +0800 Message-ID: <20200401230443.GA3836@intel.com> In-Reply-To: List-Id: --===============6005248611107394527== Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable On Wed, Apr 01, 2020 at 11:55:28AM -0700, Nick Desaulniers wrote: > On Tue, Mar 31, 2020 at 11:50 PM kbuild test robot wrot= e: > > > > Hi Maarten, > > > > I love your patch! Perhaps something to improve: > > > > [auto build test WARNING on drm-tip/drm-tip] > > [also build test WARNING on next-20200331] > > [cannot apply to drm-intel/for-linux-next tip/perf/core v5.6] > > [if your patch is applied to the wrong git tree, please drop us a note = to help > > improve the system. BTW, we also suggest to use '--base' option to spec= ify the > > base tree in git format-patch, please see https://stackoverflow.com/a/3= 7406982] > > > > url: https://github.com/0day-ci/linux/commits/Maarten-Lankhorst/Reve= rt-drm-i915-gem-Drop-relocation-slowpath/20200401-005710 > > base: git://anongit.freedesktop.org/drm/drm-tip drm-tip > > config: x86_64-randconfig-d003-20200331 (attached as .config) > > compiler: clang version 11.0.0 (https://github.com/llvm/llvm-project 52= 27fa0c72ce55927cf4849160acb00442489937) > > reproduce: > > wget https://raw.githubusercontent.com/intel/lkp-tests/master/s= bin/make.cross -O ~/bin/make.cross > > chmod +x ~/bin/make.cross > > # save the attached .config to linux build tree > > COMPILER=3Dclang make.cross ARCH=3Dx86_64 > > > > If you fix the issue, kindly add following tag > > Reported-by: kbuild test robot > > > > All warnings (new ones prefixed by >>): > > > > >> kernel/events/core.o: warning: objtool: perf_read()+0x306: stack sta= te mismatch: reg1[3]=3D-2-56 reg2[3]=3D-1+0 > = > Apologies Maarten, this objtool warning looks like maybe a compiler > bug for us to fix. > = > Philip, I tried to reproduce by cloning > git://anongit.freedesktop.org/drm/drm-tip, but I don't understand the > URL in the report. Were Maarten's patches on top of drm-tip? Is Hi Nick, this is report for patch we receive from the mailing list, so the = patch series is applied on "git://anongit.freedesktop.org/drm/drm-tip drm-tip", and form= a branch at "https://github.com/0day-ci/linux/commits/Maarten-Lankhorst/Revert-drm-i= 915-gem-Drop-relocation-slowpath/20200401-005710". The url is the real code to be checked out that can be used to reproduce. Thanks > there a tree you found them from (rather than me fetching the 0day > branch on github)? (Or maybe this is what a report looks like for a > series posted to the list?) Apologies for the naivete, but I plan to > triage as many of these reports on the Clang side as I can in my free > time, so I want to make sure I understand precisely what failure is > occurring where and how. > -- = > Thanks, > ~Nick Desaulniers --===============6005248611107394527==--