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 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 6538AC433F5 for ; Fri, 29 Oct 2021 22:23:59 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 38B126044F for ; Fri, 29 Oct 2021 22:23:59 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231173AbhJ2W00 (ORCPT ); Fri, 29 Oct 2021 18:26:26 -0400 Received: from mx0b-001b2d01.pphosted.com ([148.163.158.5]:35530 "EHLO mx0b-001b2d01.pphosted.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229546AbhJ2W00 (ORCPT ); Fri, 29 Oct 2021 18:26:26 -0400 Received: from pps.filterd (m0127361.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.16.1.2/8.16.1.2) with SMTP id 19TLbwQI033017 for ; Fri, 29 Oct 2021 22:23:56 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ibm.com; h=mime-version : content-type : content-transfer-encoding : date : from : to : cc : subject : in-reply-to : references : message-id; s=pp1; bh=AICvhYs4UCxz70mi3nR6ys90uGVMQ++TbuOrTcgWNZU=; b=GUmyMJzneDCFDtYTZP1g4GGl9jgj5zQbEOWiLgxBxYrBwTTeYv7PjEB5d/mhxTHYktRo wyQ9a/4OavbdQrNDVJRKnH8iJcgEWVgjrpgbcVaJUsBz71aEAOX4S1OrD8j8kA6cJQBu gontxRmLKgjVCSid2+tFcDDWsxvC83UB207J/t4oWXT/sqGKx93zj2Jj1zr5keoK1yX3 k0vc+45VVlmvb6+xvKXGK7VcjTyTcw6cEPMpRX49FliJrXpaD4zSrE+j5kmrJGyg88ov TXjJhbhEqZfgR9KWlCqtc628cqYu7wTjIid/dgZidTShd42clgrRNTP8phXiXglCW8mx 5g== Received: from ppma05wdc.us.ibm.com (1b.90.2fa9.ip4.static.sl-reverse.com [169.47.144.27]) by mx0a-001b2d01.pphosted.com with ESMTP id 3c0q04k12y-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT) for ; Fri, 29 Oct 2021 22:23:56 +0000 Received: from pps.filterd (ppma05wdc.us.ibm.com [127.0.0.1]) by ppma05wdc.us.ibm.com (8.16.1.2/8.16.1.2) with SMTP id 19TMCCZ6003902 for ; Fri, 29 Oct 2021 22:23:55 GMT Received: from b03cxnp07027.gho.boulder.ibm.com (b03cxnp07027.gho.boulder.ibm.com [9.17.130.14]) by ppma05wdc.us.ibm.com with ESMTP id 3bx4enhhau-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT) for ; Fri, 29 Oct 2021 22:23:55 +0000 Received: from b03ledav003.gho.boulder.ibm.com (b03ledav003.gho.boulder.ibm.com [9.17.130.234]) by b03cxnp07027.gho.boulder.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id 19TMNqBm36307382 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Fri, 29 Oct 2021 22:23:52 GMT Received: from b03ledav003.gho.boulder.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 935336A04D; Fri, 29 Oct 2021 22:23:52 +0000 (GMT) Received: from b03ledav003.gho.boulder.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 548EC6A061; Fri, 29 Oct 2021 22:23:52 +0000 (GMT) Received: from ltc.linux.ibm.com (unknown [9.10.229.42]) by b03ledav003.gho.boulder.ibm.com (Postfix) with ESMTP; Fri, 29 Oct 2021 22:23:52 +0000 (GMT) MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII; format=flowed Content-Transfer-Encoding: 7bit Date: Fri, 29 Oct 2021 15:23:52 -0700 From: Dany Madden To: Sukadev Bhattiprolu Cc: netdev@vger.kernel.org, Brian King , abdhalee@in.ibm.com, vaish123@in.ibm.com Subject: Re: [PATCH net 2/3] ibmvnic: Process crqs after enabling interrupts In-Reply-To: <20211029220316.2003519-2-sukadev@linux.ibm.com> References: <20211029220316.2003519-1-sukadev@linux.ibm.com> <20211029220316.2003519-2-sukadev@linux.ibm.com> Message-ID: X-Sender: drt@linux.ibm.com User-Agent: Roundcube Webmail/1.1.12 X-TM-AS-GCONF: 00 X-Proofpoint-ORIG-GUID: sKwKRN79G-MYyXZ5mfHjcqiqFhBC4hXr X-Proofpoint-GUID: sKwKRN79G-MYyXZ5mfHjcqiqFhBC4hXr X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.182.1,Aquarius:18.0.790,Hydra:6.0.425,FMLib:17.0.607.475 definitions=2021-10-29_06,2021-10-29_01,2020-04-07_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 adultscore=0 clxscore=1015 mlxscore=0 bulkscore=0 suspectscore=0 mlxlogscore=497 spamscore=0 lowpriorityscore=0 impostorscore=0 phishscore=0 malwarescore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2110150000 definitions=main-2110290123 Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org On 2021-10-29 15:03, Sukadev Bhattiprolu wrote: > Soon after registering a CRQ it is possible that we get a fail over or > maybe a CRQ_INIT from the VIOS while interrupts were disabled. > > Look for any such CRQs after enabling interrupts. > > Otherwise we can intermittently fail to bring up ibmvnic adapters > during > boot, specially in kexec/kdump kernels. > > Fixes: 032c5e82847a ("Driver for IBM System i/p VNIC protocol") > Reported-by: Vaishnavi Bhat > Signed-off-by: Sukadev Bhattiprolu Reviewed-by: Dany Madden