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=-3.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT 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 40858C3F2D6 for ; Fri, 6 Mar 2020 13:25:49 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id 02C2E20848 for ; Fri, 6 Mar 2020 13:25:48 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 02C2E20848 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=linux.ibm.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id 7E3D66B000A; Fri, 6 Mar 2020 08:25:48 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id 741256B0008; Fri, 6 Mar 2020 08:25:48 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 6091A6B0007; Fri, 6 Mar 2020 08:25:48 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0239.hostedemail.com [216.40.44.239]) by kanga.kvack.org (Postfix) with ESMTP id 4B0096B0005 for ; Fri, 6 Mar 2020 08:25:48 -0500 (EST) Received: from smtpin01.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay01.hostedemail.com (Postfix) with ESMTP id 04C72180AD804 for ; Fri, 6 Mar 2020 13:25:48 +0000 (UTC) X-FDA: 76565009976.01.push02_157529f3fec57 X-HE-Tag: push02_157529f3fec57 X-Filterd-Recvd-Size: 4237 Received: from mx0a-001b2d01.pphosted.com (mx0a-001b2d01.pphosted.com [148.163.156.1]) by imf10.hostedemail.com (Postfix) with ESMTP for ; Fri, 6 Mar 2020 13:25:47 +0000 (UTC) Received: from pps.filterd (m0098410.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.16.0.42/8.16.0.42) with SMTP id 026DL9HZ082943 for ; Fri, 6 Mar 2020 08:25:46 -0500 Received: from e06smtp05.uk.ibm.com (e06smtp05.uk.ibm.com [195.75.94.101]) by mx0a-001b2d01.pphosted.com with ESMTP id 2yj4q3rst0-1 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=NOT) for ; Fri, 06 Mar 2020 08:25:46 -0500 Received: from localhost by e06smtp05.uk.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! 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Violators will be prosecuted; (version=TLSv1/SSLv3 cipher=AES256-GCM-SHA384 bits=256/256) Fri, 6 Mar 2020 13:25:40 -0000 Received: from d06av23.portsmouth.uk.ibm.com (d06av23.portsmouth.uk.ibm.com [9.149.105.59]) by b06avi18878370.portsmouth.uk.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id 026DPcAu28180808 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Fri, 6 Mar 2020 13:25:38 GMT Received: from d06av23.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 8A7A2A4053; Fri, 6 Mar 2020 13:25:38 +0000 (GMT) Received: from d06av23.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id E6C3BA4057; Fri, 6 Mar 2020 13:25:37 +0000 (GMT) Received: from localhost.localdomain (unknown [9.145.0.1]) by d06av23.portsmouth.uk.ibm.com (Postfix) with ESMTP; Fri, 6 Mar 2020 13:25:37 +0000 (GMT) From: Claudio Imbrenda To: linux-next@vger.kernel.org, akpm@linux-foundation.org, jack@suse.cz, kirill@shutemov.name Cc: borntraeger@de.ibm.com, david@redhat.com, aarcange@redhat.com, linux-mm@kvack.org, frankja@linux.ibm.com, sfr@canb.auug.org.au, jhubbard@nvidia.com, linux-kernel@vger.kernel.org, linux-s390@vger.kernel.org Subject: [PATCH v4 0/2] add callbacks for inaccessible pages Date: Fri, 6 Mar 2020 14:25:35 +0100 X-Mailer: git-send-email 2.24.1 MIME-Version: 1.0 X-TM-AS-GCONF: 00 x-cbid: 20030613-0020-0000-0000-000003B11797 X-IBM-AV-DETECTION: SAVI=unused REMOTE=unused XFE=unused x-cbparentid: 20030613-0021-0000-0000-0000220957F9 Message-Id: <20200306132537.783769-1-imbrenda@linux.ibm.com> X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.138,18.0.572 definitions=2020-03-06_04:2020-03-06,2020-03-06 signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 impostorscore=0 suspectscore=0 adultscore=0 bulkscore=0 mlxscore=0 lowpriorityscore=0 phishscore=0 malwarescore=0 priorityscore=1501 spamscore=0 mlxlogscore=779 clxscore=1015 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2001150001 definitions=main-2003060096 Content-Transfer-Encoding: quoted-printable X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: This patchset has a fixup for gup/mm, and provides the necessary arch hooks to enable protected virtualization. Andrew: please simply squash/fixup the first patch into the appropriate one that is already in your tree. v3-> v4: * changed WARN_ON into VM_BUG_ON_PAGE as per review, * and small improvement of the associated comment v2 -> v3: * revert some cosmetic changes to improve readability * improve some comments v1 -> v2: * use put_compound_head in the first patch * fix commit message of the second patch * minor code cleanups * some comments to explain why sometimes we are not doing things Claudio Imbrenda (2): mm/gup: fixup for 9947ea2c1e608e32 "mm/gup: track FOLL_PIN pages" mm/gup/writeback: add callbacks for inaccessible pages include/linux/gfp.h | 6 ++++ mm/gup.c | 76 +++++++++++++++++++++++++++++---------------- mm/page-writeback.c | 9 +++++- 3 files changed, 64 insertions(+), 27 deletions(-) --=20 2.24.1