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=-6.5 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS,UNPARSEABLE_RELAY,URIBL_BLOCKED,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 F16CAC4363D for ; Sat, 3 Oct 2020 05:43:25 +0000 (UTC) Received: from silver.osuosl.org (smtp3.osuosl.org [140.211.166.136]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 8286F206CA for ; Sat, 3 Oct 2020 05:43:25 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=oracle.com header.i=@oracle.com header.b="eIu0EI35" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 8286F206CA Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=oracle.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=virtualization-bounces@lists.linux-foundation.org Received: from localhost (localhost [127.0.0.1]) by silver.osuosl.org (Postfix) with ESMTP id 24DF12045D; Sat, 3 Oct 2020 05:43:25 +0000 (UTC) X-Virus-Scanned: amavisd-new at osuosl.org Received: from silver.osuosl.org ([127.0.0.1]) by localhost (.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id vM9zMgSZvZla; Sat, 3 Oct 2020 05:43:24 +0000 (UTC) Received: from lists.linuxfoundation.org (lf-lists.osuosl.org [140.211.9.56]) by silver.osuosl.org (Postfix) with ESMTP id 038732001C; Sat, 3 Oct 2020 05:43:24 +0000 (UTC) Received: from lf-lists.osuosl.org (localhost [127.0.0.1]) by lists.linuxfoundation.org (Postfix) with ESMTP id EEC62C0889; Sat, 3 Oct 2020 05:43:23 +0000 (UTC) Received: from silver.osuosl.org (smtp3.osuosl.org [140.211.166.136]) by lists.linuxfoundation.org (Postfix) with ESMTP id 9B743C0051 for ; Sat, 3 Oct 2020 05:43:22 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by silver.osuosl.org (Postfix) with ESMTP id 897BF20390 for ; Sat, 3 Oct 2020 05:43:22 +0000 (UTC) X-Virus-Scanned: amavisd-new at osuosl.org Received: from silver.osuosl.org ([127.0.0.1]) by localhost (.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id jnqyMOkIrL7i for ; Sat, 3 Oct 2020 05:43:17 +0000 (UTC) X-Greylist: domain auto-whitelisted by SQLgrey-1.7.6 Received: from aserp2130.oracle.com (aserp2130.oracle.com [141.146.126.79]) by silver.osuosl.org (Postfix) with ESMTPS id 85C3D1FEED for ; Sat, 3 Oct 2020 05:43:17 +0000 (UTC) Received: from pps.filterd (aserp2130.oracle.com [127.0.0.1]) by aserp2130.oracle.com (8.16.0.42/8.16.0.42) with SMTP id 0935dw1J156091; Sat, 3 Oct 2020 05:43:14 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=oracle.com; h=from : to : cc : subject : date : message-id; s=corp-2020-01-29; bh=9KxNDqQb/daFeFk4axWtWUrYIM1JzBO5oMsjX6VTYv4=; b=eIu0EI35rkEjtQ6/BtqEmRp6xWyCUxGkUmlkEzOrQbVq26a1x9Uh8wssQZeRZ8rAL3/H gvFuNAEwcPxA5HkUNwBtuzniYvmzhzDN9k02TZgRCUyISbCHE/Esnf1m8KglU8vVGpD6 g+bJMWzr9d8ICsYIaAOZuZj72cgopeOKYK5xsnRDHtI6Siy6WJFsLvw9WM3IntXPxCHB WTCk4rzKuoV83v6syIBOxlpZT8Sm3z5AaFw1UwzVWWAptLOXZcoDwPjgE7irVBt2kWiu ozhVLH/ZVMHtRdGKrieZndZZOV/7kzNAxOmHJQt+Im3Q39NzS72qTLn7t1w5LQvbz33P EA== Received: from aserp3020.oracle.com (aserp3020.oracle.com [141.146.126.70]) by aserp2130.oracle.com with ESMTP id 33xetagabk-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=FAIL); Sat, 03 Oct 2020 05:43:14 +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 0935eaSP071195; Sat, 3 Oct 2020 05:43:13 GMT Received: from aserv0121.oracle.com (aserv0121.oracle.com [141.146.126.235]) by aserp3020.oracle.com with ESMTP id 33xh3y29ut-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Sat, 03 Oct 2020 05:43:13 +0000 Received: from abhmp0015.oracle.com (abhmp0015.oracle.com [141.146.116.21]) by aserv0121.oracle.com (8.14.4/8.13.8) with ESMTP id 0935hDsX026233; Sat, 3 Oct 2020 05:43:13 GMT Received: from ban25x6uut24.us.oracle.com (/10.153.73.24) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Fri, 02 Oct 2020 22:43:12 -0700 From: Si-Wei Liu To: mst@redhat.com, jasowang@redhat.com, lingshan.zhu@intel.com Subject: [PATCH v3 0/2] vhost-vdpa mapping error path fixes Date: Sat, 3 Oct 2020 01:02:08 -0400 Message-Id: <1601701330-16837-1-git-send-email-si-wei.liu@oracle.com> X-Mailer: git-send-email 1.8.3.1 X-Proofpoint-Virus-Version: vendor=nai engine=6000 definitions=9762 signatures=668680 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 suspectscore=0 mlxscore=0 phishscore=0 spamscore=0 bulkscore=0 adultscore=0 malwarescore=0 mlxlogscore=999 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2006250000 definitions=main-2010030050 X-Proofpoint-Virus-Version: vendor=nai engine=6000 definitions=9762 signatures=668680 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 bulkscore=0 spamscore=0 mlxscore=0 clxscore=1015 priorityscore=1501 adultscore=0 mlxlogscore=999 phishscore=0 impostorscore=0 malwarescore=0 suspectscore=0 lowpriorityscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2006250000 definitions=main-2010030050 Cc: netdev@vger.kernel.org, virtualization@lists.linux-foundation.org, boris.ostrovsky@oracle.com, linux-kernel@vger.kernel.org X-BeenThere: virtualization@lists.linux-foundation.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: Linux virtualization List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: virtualization-bounces@lists.linux-foundation.org Sender: "Virtualization" Commit 4c8cf31885f6 ("vhost: introduce vDPA-based backend") has following issues in the failure path of IOTLB update: 1) vhost_vdpa_map() does not clean up dangling iotlb entry upon mapping failure 2) vhost_vdpa_process_iotlb_update() has leakage of pinned pages in case of vhost_vdpa_map() failure This patchset attempts to address the above issues. Changes in v3: - Factor out changes in vhost_vdpa_map() and the fix for page pinning leak to separate patches (Jason) --- Si-Wei Liu (2): vhost-vdpa: fix vhost_vdpa_map() on error condition vhost-vdpa: fix page pinning leakage in error path drivers/vhost/vdpa.c | 122 +++++++++++++++++++++++++++++++-------------------- 1 file changed, 74 insertions(+), 48 deletions(-) -- 1.8.3.1 _______________________________________________ Virtualization mailing list Virtualization@lists.linux-foundation.org https://lists.linuxfoundation.org/mailman/listinfo/virtualization