From mboxrd@z Thu Jan 1 00:00:00 1970 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=ibm.com header.i=@ibm.com header.b="FuAKoOZT" Received: from mx0b-001b2d01.pphosted.com (mx0b-001b2d01.pphosted.com [148.163.158.5]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 8C7A291; Thu, 23 Nov 2023 04:56:25 -0800 (PST) Received: from pps.filterd (m0353724.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.17.1.19/8.17.1.19) with ESMTP id 3ANCIDQa031579; Thu, 23 Nov 2023 12:56:10 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ibm.com; h=message-id : subject : from : reply-to : to : date : in-reply-to : references : content-type : content-transfer-encoding : mime-version; s=pp1; bh=DQVPNWAVHATOwJ43a3rPhj1rzRAJZ4VgfHy4rm+zPeI=; b=FuAKoOZTBMLTqQmIdsRRVG8wEemVbDVEyvSUFU0Fwth0eIxbCreNAAzS0K/sd12h+Ypb TspDt1hAjHrOAvI3kcON8N3x+DA3EIx901N9Y63Xh24HSE6s6KsvK/pFbaVluMalJxQP yFSvLxcChEIlL2aSJATiv3gGlRDEq9Gw9uHyag/X83cO6NftGITO3yEGtCqNLW4Y5pp0 VAtm34GiRAQduV0qqBIuBOt3IldTre44NuycaT4sDXRnl1aIxq3UCpVhWB/zISByZEhk ddWbcptrQXNtvbMEdH6mK7FLUDEt+K8q9RnniP3n7df/porL7O1KQIFbo7rZzUtT+BqP mg== Received: from ppma22.wdc07v.mail.ibm.com (5c.69.3da9.ip4.static.sl-reverse.com [169.61.105.92]) by mx0a-001b2d01.pphosted.com (PPS) with ESMTPS id 3uj6ma0vda-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Thu, 23 Nov 2023 12:56:10 +0000 Received: from pps.filterd (ppma22.wdc07v.mail.ibm.com [127.0.0.1]) by ppma22.wdc07v.mail.ibm.com (8.17.1.19/8.17.1.19) with ESMTP id 3ANBIhU5022418; Thu, 23 Nov 2023 12:51:59 GMT Received: from smtprelay02.wdc07v.mail.ibm.com ([172.16.1.69]) by ppma22.wdc07v.mail.ibm.com (PPS) with ESMTPS id 3uf7yyyawf-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Thu, 23 Nov 2023 12:51:59 +0000 Received: from smtpav01.dal12v.mail.ibm.com (smtpav01.dal12v.mail.ibm.com [10.241.53.100]) by smtprelay02.wdc07v.mail.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id 3ANCpwH014680746 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Thu, 23 Nov 2023 12:51:59 GMT Received: from smtpav01.dal12v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id D5D9158059; Thu, 23 Nov 2023 12:51:58 +0000 (GMT) Received: from smtpav01.dal12v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 5B0C058057; Thu, 23 Nov 2023 12:51:56 +0000 (GMT) Received: from [IPv6:2601:5c4:4302:c21::a774] (unknown [9.67.0.97]) by smtpav01.dal12v.mail.ibm.com (Postfix) with ESMTP; Thu, 23 Nov 2023 12:51:56 +0000 (GMT) Message-ID: Subject: Re: [PATCH v4] aacraid: reply queue mapping to CPUs based of IRQ affinity From: James Bottomley Reply-To: jejb@linux.ibm.com To: John Garry , Sagar Biradar , Don Brace , Gilbert Wu , linux-scsi@vger.kernel.org, Martin Petersen , Brian King , stable@vger.kernel.org, Tom White , regressions@leemhuis.info, hare@suse.com Date: Thu, 23 Nov 2023 07:51:54 -0500 In-Reply-To: References: <20230519230834.27436-1-sagar.biradar@microchip.com> Content-Type: text/plain; charset="UTF-8" User-Agent: Evolution 3.42.4 X-TM-AS-GCONF: 00 X-Proofpoint-GUID: 0jdFhNeqTRlIFi1uF3zX_YQ3I0a_E5wB X-Proofpoint-ORIG-GUID: 0jdFhNeqTRlIFi1uF3zX_YQ3I0a_E5wB Content-Transfer-Encoding: 7bit X-Proofpoint-UnRewURL: 0 URL was un-rewritten Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.272,Aquarius:18.0.987,Hydra:6.0.619,FMLib:17.11.176.26 definitions=2023-11-23_11,2023-11-22_01,2023-05-22_02 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 mlxlogscore=733 malwarescore=0 bulkscore=0 spamscore=0 impostorscore=0 suspectscore=0 lowpriorityscore=0 adultscore=0 clxscore=1011 mlxscore=0 priorityscore=1501 phishscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2311060000 definitions=main-2311230092 On Thu, 2023-11-23 at 12:01 +0000, John Garry wrote: > On 20/05/2023 00:08, Sagar Biradar wrote: > > Fix the IO hang that arises because of MSIx vector not > > having a mapped online CPU upon receiving completion. > > > > The SCSI cmds take the blk_mq route, which is setup during the > > init. The reserved cmds fetch the vector_no from mq_map after the > > init is complete and before the init, they use 0 - as per the norm. > > > > Reviewed-by: Gilbert Wu > > Signed-off-by: Sagar Biradar > > This the patch which seems to be causing the issue in > https://bugzilla.kernel.org/show_bug.cgi?id=217599 > > I will comment here since I got no response there... We can still do a clean revert of this commit if no other solution is found before the end of the 6.7 rc cycle. Regards, James