From patchwork Wed Feb 13 23:04:54 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ira Weiny X-Patchwork-Id: 1041674 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=none (mailfrom) smtp.mailfrom=vger.kernel.org (client-ip=209.132.180.67; helo=vger.kernel.org; envelope-from=kvm-ppc-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dmarc=fail (p=none dis=none) header.from=intel.com Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 440FWG56Zbz9sN4 for ; Thu, 14 Feb 2019 10:06:02 +1100 (AEDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2405870AbfBMXFh (ORCPT ); Wed, 13 Feb 2019 18:05:37 -0500 Received: from mga05.intel.com ([192.55.52.43]:40570 "EHLO mga05.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726323AbfBMXFh (ORCPT ); Wed, 13 Feb 2019 18:05:37 -0500 X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga001.jf.intel.com ([10.7.209.18]) by fmsmga105.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 13 Feb 2019 15:05:33 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.58,366,1544515200"; d="scan'208";a="138415653" Received: from iweiny-desk2.sc.intel.com ([10.3.52.157]) by orsmga001.jf.intel.com with ESMTP; 13 Feb 2019 15:05:31 -0800 From: ira.weiny@intel.com To: linux-mips@vger.kernel.org, linux-kernel@vger.kernel.org, kvm-ppc@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-s390@vger.kernel.org, linux-sh@vger.kernel.org, sparclinux@vger.kernel.org, kvm@vger.kernel.org, linux-fpga@vger.kernel.org, dri-devel@lists.freedesktop.org, linux-rdma@vger.kernel.org, linux-media@vger.kernel.org, linux-scsi@vger.kernel.org, devel@driverdev.osuosl.org, virtualization@lists.linux-foundation.org, netdev@vger.kernel.org, linux-fbdev@vger.kernel.org, xen-devel@lists.xenproject.org, devel@lists.orangefs.org, linux-mm@kvack.org, ceph-devel@vger.kernel.org, rds-devel@oss.oracle.com Cc: Ira Weiny , John Hubbard , David Hildenbrand , Cornelia Huck , Yoshinori Sato , Rich Felker , "David S. Miller" , Thomas Gleixner , Ingo Molnar , Borislav Petkov , Joerg Roedel , Wu Hao , Alan Tull , Moritz Fischer , David Airlie , Daniel Vetter , Jason Gunthorpe , Dennis Dalessandro , Christian Benvenuti , Mauro Carvalho Chehab , Matt Porter , Alexandre Bounine , =?utf-8?q?Kai_M=C3=A4kisara?= , "James E.J. Bottomley" , "Martin K. Petersen" , Rob Springer , Todd Poynor , Ben Chan , Jens Wiklander , Alex Williamson , "Michael S. Tsirkin" , Jason Wang , Bartlomiej Zolnierkiewicz , Stefano Stabellini , Martin Brandenburg , Peter Zijlstra , Alexander Viro , Andrew Morton , Michal Hocko , "Kirill A. Shutemov" Subject: [PATCH V2 6/7] IB/qib: Use the new FOLL_LONGTERM flag to get_user_pages_fast() Date: Wed, 13 Feb 2019 15:04:54 -0800 Message-Id: <20190213230455.5605-7-ira.weiny@intel.com> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20190213230455.5605-1-ira.weiny@intel.com> References: <20190211201643.7599-1-ira.weiny@intel.com> <20190213230455.5605-1-ira.weiny@intel.com> MIME-Version: 1.0 Sender: kvm-ppc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: kvm-ppc@vger.kernel.org From: Ira Weiny Use the new FOLL_LONGTERM to get_user_pages_fast() to protect against FS DAX pages being mapped. Signed-off-by: Ira Weiny --- drivers/infiniband/hw/qib/qib_user_sdma.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/infiniband/hw/qib/qib_user_sdma.c b/drivers/infiniband/hw/qib/qib_user_sdma.c index 31c523b2a9f5..b53cc0240e02 100644 --- a/drivers/infiniband/hw/qib/qib_user_sdma.c +++ b/drivers/infiniband/hw/qib/qib_user_sdma.c @@ -673,7 +673,7 @@ static int qib_user_sdma_pin_pages(const struct qib_devdata *dd, else j = npages; - ret = get_user_pages_fast(addr, j, 0, pages); + ret = get_user_pages_fast(addr, j, FOLL_LONGTERM, pages); if (ret != j) { i = 0; j = ret;