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[23.128.96.18]) by mx.google.com with ESMTP id by17si16590167edb.369.2020.07.08.03.03.47; Wed, 08 Jul 2020 03:04:10 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; dkim=pass header.i=@oracle.com header.s=corp-2020-01-29 header.b=HtYdqSj0; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=oracle.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728507AbgGHKBT (ORCPT + 99 others); Wed, 8 Jul 2020 06:01:19 -0400 Received: from userp2120.oracle.com ([156.151.31.85]:55404 "EHLO userp2120.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728454AbgGHKBR (ORCPT ); Wed, 8 Jul 2020 06:01:17 -0400 Received: from pps.filterd (userp2120.oracle.com [127.0.0.1]) by userp2120.oracle.com (8.16.0.42/8.16.0.42) with SMTP id 0689qZ2U071053; Wed, 8 Jul 2020 10:01:13 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=oracle.com; h=date : from : to : cc : subject : message-id : references : mime-version : content-type : in-reply-to; s=corp-2020-01-29; bh=qGeeqBfb4B3JBrMGyCbTWzEAb8chOA1YYzwiQyLwlCg=; b=HtYdqSj0ofgVpUhnDTpmT0Kd9WoopR4hGOHz2IpnJQLMRChYBFd0z7TGLQw2yv9aopPQ ZpppJF6EbFqWhfOCxhpTdKbpXnhlt2t5/oStHImxj2QoBVgr1Kl2okV8E4WEcq0v4yQO MW6wtKIMcyf7QI0wAjJrdLmJ1cNytx+g4nGh7YAmX+zzfUia7QDwk2QCE8InnrXkX6iv U4Et+JMYoXmEwjXVmo6jxeCh2zaFsgtfFk23qAyjSwOIupc1ERhQCOOPqneABMcihhJw Q3mpKMH50M0JV1AylF1fMjarCjTuo8XyrzUuippeNODE6WlgT9cMx2ulyarHBaZQBdlY HA== Received: from aserp3020.oracle.com (aserp3020.oracle.com [141.146.126.70]) by userp2120.oracle.com with ESMTP id 325bgf04v6-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=FAIL); Wed, 08 Jul 2020 10:01:13 +0000 Received: from pps.filterd (aserp3020.oracle.com [127.0.0.1]) by aserp3020.oracle.com (8.16.0.42/8.16.0.42) with SMTP id 0689xBMB018147; Wed, 8 Jul 2020 09:59:12 GMT Received: from userv0121.oracle.com (userv0121.oracle.com [156.151.31.72]) by aserp3020.oracle.com with ESMTP id 3233p50tvu-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Wed, 08 Jul 2020 09:59:12 +0000 Received: from abhmp0019.oracle.com (abhmp0019.oracle.com [141.146.116.25]) by userv0121.oracle.com (8.14.4/8.13.8) with ESMTP id 0689xAx2021053; Wed, 8 Jul 2020 09:59:10 GMT Received: from kadam (/41.57.98.10) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Wed, 08 Jul 2020 02:59:09 -0700 Date: Wed, 8 Jul 2020 12:59:04 +0300 From: Dan Carpenter To: Luc Van Oostenryck Cc: linux-sparse@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: Sparse improvements & regressions for Linux v5.7-rc1 -> v5.8-rc1 Message-ID: <20200708095904.GI2549@kadam> References: <20200708000651.f5bykhd3mhgsbvk7@ltop.local> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20200708000651.f5bykhd3mhgsbvk7@ltop.local> User-Agent: Mutt/1.9.4 (2018-02-28) X-Proofpoint-Virus-Version: vendor=nai engine=6000 definitions=9675 signatures=668680 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 suspectscore=0 mlxlogscore=999 mlxscore=0 spamscore=0 bulkscore=0 malwarescore=0 phishscore=0 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2004280000 definitions=main-2007080072 X-Proofpoint-Virus-Version: vendor=nai engine=6000 definitions=9675 signatures=668680 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 adultscore=0 lowpriorityscore=0 priorityscore=1501 impostorscore=0 cotscore=-2147483648 clxscore=1011 mlxscore=0 spamscore=0 bulkscore=0 suspectscore=0 mlxlogscore=999 malwarescore=0 phishscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2004280000 definitions=main-2007080071 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, Jul 08, 2020 at 02:06:51AM +0200, Luc Van Oostenryck wrote: > I've finally written a silly script to easily compare my tests > of Sparse on the kernel. So, it's now easy to share those results. > > It's a comparison of Sparse's unique warnings between v5.7-rc1 & > v5.8-rc1 on x86-64 (defconfig + allyesconfig). The results are > quite similar on other architectures. > > Note that the differences can be caused by changes in the kernel > code or in Sparse code. > > Have fun. > This is quite fun! Could you post the raw errors from the v5.8-rc1 kernel as well? Probably it's too big for LKML, so it would have to be posted to pastebin or something. regards, dan carpenter