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=-2.4 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS,UNPARSEABLE_RELAY,USER_AGENT_MUTT 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 8AA82C48BE3 for ; Fri, 21 Jun 2019 20:36:01 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 639D9208CA for ; Fri, 21 Jun 2019 20:36:01 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=oracle.com header.i=@oracle.com header.b="2XUw0+Wu" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726045AbfFUUfy (ORCPT ); Fri, 21 Jun 2019 16:35:54 -0400 Received: from aserp2120.oracle.com ([141.146.126.78]:47054 "EHLO aserp2120.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725985AbfFUUfy (ORCPT ); Fri, 21 Jun 2019 16:35:54 -0400 Received: from pps.filterd (aserp2120.oracle.com [127.0.0.1]) by aserp2120.oracle.com (8.16.0.27/8.16.0.27) with SMTP id x5LKSjW7026390; Fri, 21 Jun 2019 20:35:28 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-2018-07-02; bh=I+O4EY7HfIDZE39+n2CmCAfAj+j4DjI6+VRejt3ADbY=; b=2XUw0+WuaZlgLzqQhtBCIiCzoi+wlHOjQN+qS0zOcckqz/FSlqlYKzM/xYUoTGhscT8P i4eChYLULBYCwbv9aQluGZSJQJvXDAo055D0l2Bkc5vC4GV1tF524Nh6ujkbyfyLS6Xo hGPlHfjvZToyk32fDnrfFxonc6ouDq5IO+uWOaRDTf432J3tc3ms1eEO/4nEmk/2ZNZK 4zLuNVi0Vqwo9lbP7zLApBYiuBtHDBWbKsbCVx9snabs4GVz8eXD7ek8RXjWB6JHKkzv wbaOE4BbtHpNp/LGnfh65SCKroUA1ssLJrme+9GdvOlYaeP0ouCIXYXDpijrQiLv3Tjw Vg== Received: from userp3030.oracle.com (userp3030.oracle.com [156.151.31.80]) by aserp2120.oracle.com with ESMTP id 2t7809r9qq-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Fri, 21 Jun 2019 20:35:28 +0000 Received: from pps.filterd (userp3030.oracle.com [127.0.0.1]) by userp3030.oracle.com (8.16.0.27/8.16.0.27) with SMTP id x5LKXhAT064507; Fri, 21 Jun 2019 20:35:27 GMT Received: from userv0121.oracle.com (userv0121.oracle.com [156.151.31.72]) by userp3030.oracle.com with ESMTP id 2t77ypcvua-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Fri, 21 Jun 2019 20:35:27 +0000 Received: from abhmp0001.oracle.com (abhmp0001.oracle.com [141.146.116.7]) by userv0121.oracle.com (8.14.4/8.13.8) with ESMTP id x5LKZKKO003782; Fri, 21 Jun 2019 20:35:21 GMT Received: from char.us.oracle.com (/10.152.32.25) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Fri, 21 Jun 2019 13:35:20 -0700 Received: by char.us.oracle.com (Postfix, from userid 1000) id 609E46A0131; Fri, 21 Jun 2019 16:36:45 -0400 (EDT) Date: Fri, 21 Jun 2019 16:36:45 -0400 From: Konrad Rzeszutek Wilk To: Sasha Levin Cc: zhe.he@windriver.com, konrad@darnok.org, hch@lst.de, stable@vger.kernel.org, m.szyprowski@samsung.com, robin.murphy@arm.com Subject: Re: [PATCH v2] kernel/dma: Fix panic caused by passing swiotlb to command line Message-ID: <20190621203645.GL22931@char.us.oracle.com> References: <1543832571-121638-1-git-send-email-zhe.he@windriver.com> <20190614215638.A58C52184E@mail.kernel.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20190614215638.A58C52184E@mail.kernel.org> User-Agent: Mutt/1.9.1 (2017-09-22) X-Proofpoint-Virus-Version: vendor=nai engine=6000 definitions=9295 signatures=668687 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 suspectscore=0 malwarescore=0 phishscore=0 bulkscore=0 spamscore=0 mlxscore=0 mlxlogscore=999 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1810050000 definitions=main-1906210154 X-Proofpoint-Virus-Version: vendor=nai engine=6000 definitions=9295 signatures=668687 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 priorityscore=1501 malwarescore=0 suspectscore=0 phishscore=0 bulkscore=0 spamscore=0 clxscore=1011 lowpriorityscore=0 mlxscore=0 impostorscore=0 mlxlogscore=999 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1810050000 definitions=main-1906210154 Sender: stable-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org On Fri, Jun 14, 2019 at 09:56:37PM +0000, Sasha Levin wrote: > Hi, > > [This is an automated email] > > This commit has been processed because it contains a -stable tag. > The stable tag indicates that it's relevant for the following trees: all > > The bot has tested the following trees: v5.1.9, v4.19.50, v4.14.125, v4.9.181, v4.4.181. > > v5.1.9: Build OK! > v4.19.50: Build OK! > v4.14.125: Failed to apply! Possible dependencies: > Unable to calculate > > v4.9.181: Failed to apply! Possible dependencies: > Unable to calculate > > v4.4.181: Failed to apply! Possible dependencies: > ae7871be189c ("swiotlb: Convert swiotlb_force from int to enum") > b67a8b29df7e ("arm64: mm: only initialize swiotlb when necessary") > > > How should we proceed with this patch? > Skip. > -- > Thanks, > Sasha