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_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=no 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 1054EC742D7 for ; Fri, 12 Jul 2019 23:43:24 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id E0B49217D4 for ; Fri, 12 Jul 2019 23:43:23 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728538AbfGLXnW (ORCPT ); Fri, 12 Jul 2019 19:43:22 -0400 Received: from mx0b-001b2d01.pphosted.com ([148.163.158.5]:4528 "EHLO mx0a-001b2d01.pphosted.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1727708AbfGLXnV (ORCPT ); Fri, 12 Jul 2019 19:43:21 -0400 Received: from pps.filterd (m0098416.ppops.net [127.0.0.1]) by mx0b-001b2d01.pphosted.com (8.16.0.27/8.16.0.27) with SMTP id x6CNfvm1034924; Fri, 12 Jul 2019 19:42:49 -0400 Received: from pps.reinject (localhost [127.0.0.1]) by mx0b-001b2d01.pphosted.com with ESMTP id 2tq31ahvng-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Fri, 12 Jul 2019 19:42:49 -0400 Received: from m0098416.ppops.net (m0098416.ppops.net [127.0.0.1]) by pps.reinject (8.16.0.27/8.16.0.27) with SMTP id x6CNgnmu036004; Fri, 12 Jul 2019 19:42:49 -0400 Received: from ppma01dal.us.ibm.com (83.d6.3fa9.ip4.static.sl-reverse.com [169.63.214.131]) by mx0b-001b2d01.pphosted.com with ESMTP id 2tq31ahvn3-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Fri, 12 Jul 2019 19:42:49 -0400 Received: from pps.filterd (ppma01dal.us.ibm.com [127.0.0.1]) by ppma01dal.us.ibm.com (8.16.0.27/8.16.0.27) with SMTP id x6CNdMRr019151; Fri, 12 Jul 2019 23:42:48 GMT Received: from b01cxnp22035.gho.pok.ibm.com (b01cxnp22035.gho.pok.ibm.com [9.57.198.25]) by ppma01dal.us.ibm.com with ESMTP id 2tjk97y53g-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Fri, 12 Jul 2019 23:42:48 +0000 Received: from b01ledav006.gho.pok.ibm.com (b01ledav006.gho.pok.ibm.com [9.57.199.111]) by b01cxnp22035.gho.pok.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id x6CNglgS51118432 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Fri, 12 Jul 2019 23:42:47 GMT Received: from b01ledav006.gho.pok.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 85C7AAC05B; Fri, 12 Jul 2019 23:42:47 +0000 (GMT) Received: from b01ledav006.gho.pok.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id E6DD3AC059; Fri, 12 Jul 2019 23:42:40 +0000 (GMT) Received: from morokweng.localdomain (unknown [9.85.135.203]) by b01ledav006.gho.pok.ibm.com (Postfix) with ESMTPS; Fri, 12 Jul 2019 23:42:40 +0000 (GMT) References: <20190712053631.9814-1-bauerman@linux.ibm.com> <20190712053631.9814-3-bauerman@linux.ibm.com> <20190712071328.GA22889@lst.de> User-agent: mu4e 1.2.0; emacs 26.2 From: Thiago Jung Bauermann To: Christoph Hellwig Cc: x86@kernel.org, iommu@lists.linux-foundation.org, linux-fsdevel@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-s390@vger.kernel.org, linux-kernel@vger.kernel.org, Thomas Gleixner , Ingo Molnar , Borislav Petkov , "H. Peter Anvin" , Marek Szyprowski , Robin Murphy , Konrad Rzeszutek Wilk , Alexey Dobriyan , Halil Pasic , Mike Anderson , Ram Pai , "Lendacky\, Thomas" Subject: Re: [PATCH 2/3] DMA mapping: Move SME handling to x86-specific files In-reply-to: <20190712071328.GA22889@lst.de> Date: Fri, 12 Jul 2019 20:42:31 -0300 Message-ID: <87r26ug6qg.fsf@morokweng.localdomain> MIME-Version: 1.0 Content-Type: text/plain X-TM-AS-GCONF: 00 X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:,, definitions=2019-07-12_06:,, signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 malwarescore=0 suspectscore=0 phishscore=0 bulkscore=0 spamscore=0 clxscore=1015 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-1907120244 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org [ Cc'ing Tom Lendacky which I forgot to do earlier. Sorry about that. ] Hello Christoph, Christoph Hellwig writes: > Honestly I think this code should go away without any replacement. > There is no reason why we should have a special debug printk just > for one specific reason why there is a requirement for a large DMA > mask. Makes sense. I'll submit a v2 which just removes this code. -- Thiago Jung Bauermann IBM Linux Technology Center