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=-3.5 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS,UNPARSEABLE_RELAY 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 A5FDDC4363A for ; Mon, 26 Oct 2020 22:20:06 +0000 (UTC) Received: from lists.ozlabs.org (lists.ozlabs.org [203.11.71.2]) (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 D1D8120878 for ; Mon, 26 Oct 2020 22:20:04 +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="HStaSDxT" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org D1D8120878 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=oracle.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Received: from bilbo.ozlabs.org (lists.ozlabs.org [IPv6:2401:3900:2:1::3]) by lists.ozlabs.org (Postfix) with ESMTP id 4CKq5Y73qmzDqC5 for ; Tue, 27 Oct 2020 09:20:01 +1100 (AEDT) Authentication-Results: lists.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=oracle.com (client-ip=141.146.126.79; helo=aserp2130.oracle.com; envelope-from=martin.petersen@oracle.com; receiver=) Authentication-Results: lists.ozlabs.org; dmarc=pass (p=none dis=none) header.from=oracle.com Authentication-Results: lists.ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=oracle.com header.i=@oracle.com header.a=rsa-sha256 header.s=corp-2020-01-29 header.b=HStaSDxT; dkim-atps=neutral Received: from aserp2130.oracle.com (aserp2130.oracle.com [141.146.126.79]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 4CKq3L3FpbzDqPQ for ; Tue, 27 Oct 2020 09:18:05 +1100 (AEDT) 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 09QMFdNg062108; Mon, 26 Oct 2020 22:17:57 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=oracle.com; h=to : cc : subject : from : message-id : references : date : in-reply-to : mime-version : content-type; s=corp-2020-01-29; bh=JBHC3Tv9jAUAHUjVj7llOjchS0J/AGl03MlghuwQQaE=; b=HStaSDxTpzgb0Cc0CwVDhnfoTRhJmadyKep1fyH9tXZ+SxsTB5t4ETIzuKwS3cHK/E7/ JmCYqOtwAxdBNVjxro+Qq2tHjMg0QaFrsNFJNk6r9VbfQv8xSBqkK+Y7sfEaX+BVM2uy gwA4+peCsTQkp9qqKl83nP/s+XZSv2aPc5F91p/ViI5FLbo4tjy2ZhqdUrtoXmZ8hjuZ v9cJ8WH9JTGievC2RSDgrvTiE4sKBmy2TGNEhfgRN+bz0AMzxvVWU3A694F0SU5T6gPe XxmmvOhNxipY61ucDon1RbYlA7Mwx65c7c5GUCFIiIHYkoBWR+Le2onYg4dkrP8/ViPK qQ== Received: from userp3020.oracle.com (userp3020.oracle.com [156.151.31.79]) by aserp2130.oracle.com with ESMTP id 34c9saq6kg-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=FAIL); Mon, 26 Oct 2020 22:17:57 +0000 Received: from pps.filterd (userp3020.oracle.com [127.0.0.1]) by userp3020.oracle.com (8.16.0.42/8.16.0.42) with SMTP id 09QMGEhr058299; Mon, 26 Oct 2020 22:17:56 GMT Received: from aserv0122.oracle.com (aserv0122.oracle.com [141.146.126.236]) by userp3020.oracle.com with ESMTP id 34cx1q0r70-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Mon, 26 Oct 2020 22:17:56 +0000 Received: from abhmp0010.oracle.com (abhmp0010.oracle.com [141.146.116.16]) by aserv0122.oracle.com (8.14.4/8.14.4) with ESMTP id 09QMHro7032276; Mon, 26 Oct 2020 22:17:53 GMT Received: from ca-mkp.ca.oracle.com (/10.159.214.123) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Mon, 26 Oct 2020 15:17:52 -0700 To: Tyrel Datwyler Subject: Re: [PATCH] ibmvscsi: fix race potential race after loss of transport From: "Martin K. Petersen" Organization: Oracle Corporation Message-ID: References: <20201025001355.4527-1-tyreld@linux.ibm.com> Date: Mon, 26 Oct 2020 18:17:50 -0400 In-Reply-To: <20201025001355.4527-1-tyreld@linux.ibm.com> (Tyrel Datwyler's message of "Sat, 24 Oct 2020 19:13:55 -0500") MIME-Version: 1.0 Content-Type: text/plain X-Proofpoint-Virus-Version: vendor=nai engine=6000 definitions=9786 signatures=668682 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 spamscore=0 phishscore=0 bulkscore=0 suspectscore=1 malwarescore=0 mlxlogscore=999 mlxscore=0 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2009150000 definitions=main-2010260144 X-Proofpoint-Virus-Version: vendor=nai engine=6000 definitions=9786 signatures=668682 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 mlxscore=0 impostorscore=0 mlxlogscore=999 malwarescore=0 lowpriorityscore=0 bulkscore=0 priorityscore=1501 spamscore=0 phishscore=0 clxscore=1011 suspectscore=1 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2009150000 definitions=main-2010260144 X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: martin.petersen@oracle.com, linux-scsi@vger.kernel.org, linux-kernel@vger.kernel.org, james.bottomley@hansenpartnership.com, brking@linux.ibm.com, linuxppc-dev@lists.ozlabs.org Errors-To: linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Sender: "Linuxppc-dev" Tyrel, > After a loss of tranport due to an adatper migration or > crash/disconnect from the host partner there is a tiny window where we > can race adjusting the request_limit of the adapter. Applied to 5.10/scsi-fixes, thanks! -- Martin K. Petersen Oracle Linux Engineering