From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from ozlabs.org (lists.ozlabs.org [IPv6:2401:3900:2:1::3]) (using TLSv1.2 with cipher ADH-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 411rgk6KXnzF0TM for ; Fri, 8 Jun 2018 02:33:06 +1000 (AEST) Received: from ozlabs.org (ozlabs.org [IPv6:2401:3900:2:1::2]) by bilbo.ozlabs.org (Postfix) with ESMTP id 411rgk5ZTlz98rC for ; Fri, 8 Jun 2018 02:33:06 +1000 (AEST) Received: from mx0a-001b2d01.pphosted.com (mx0a-001b2d01.pphosted.com [148.163.156.1]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 411rgk23hRz9s1B for ; Fri, 8 Jun 2018 02:33:05 +1000 (AEST) Received: from pps.filterd (m0098394.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.16.0.22/8.16.0.22) with SMTP id w57GTagp050088 for ; Thu, 7 Jun 2018 12:33:04 -0400 Received: from e06smtp04.uk.ibm.com (e06smtp04.uk.ibm.com [195.75.94.100]) by mx0a-001b2d01.pphosted.com with ESMTP id 2jf5q18nty-1 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=NOT) for ; Thu, 07 Jun 2018 12:33:04 -0400 Received: from localhost by e06smtp04.uk.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted for from ; Thu, 7 Jun 2018 17:33:02 +0100 Subject: Re: [v2 PATCH 0/5] powerpc/pseries: Machien check handler improvements. To: Nicholas Piggin Cc: linuxppc-dev , Laurent Dufour , "Aneesh Kumar K.V" References: <152836568375.29173.3046879842311381046.stgit@jupiter.in.ibm.com> <20180607204554.05565a56@roar.ozlabs.ibm.com> From: Mahesh Jagannath Salgaonkar Date: Thu, 7 Jun 2018 22:02:58 +0530 MIME-Version: 1.0 In-Reply-To: <20180607204554.05565a56@roar.ozlabs.ibm.com> Content-Type: text/plain; charset=utf-8 Message-Id: <8c6bf4dd-b6f9-ec76-d4b2-7f45e37b77ff@linux.vnet.ibm.com> List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , On 06/07/2018 04:15 PM, Nicholas Piggin wrote: > On Thu, 07 Jun 2018 15:36:25 +0530 > Mahesh J Salgaonkar wrote: > >> This patch series includes some improvement to Machine check handler >> for pseries. Patch 1 fixes an issue where machine check handler crashes >> kernel while accessing vmalloc-ed buffer while in nmi context. >> Patch 3 dumps the SLB contents on SLB MCE errors to improve the debugability. >> Patch 4 display's the MCE error details on console. >> >> Change in V2: >> - patch 4: Display additional info (NIP and task info) in MCE error details. >> - patch 5: Fix endain bug while restoring of r3 in MCE handler. >> >> --- >> >> Mahesh Salgaonkar (5): >> powerpc/pseries: convert rtas_log_buf to linear allocation. >> powerpc/pseries: Define MCE error event section. >> powerpc/pseries: Dump and flush SLB contents on SLB MCE errors. >> powerpc/pseries: Display machine check error details. >> powerpc/pseries: Fix endainness while restoring of r3 in MCE handler. > > These look good, should patch 5 be moved to patch 2 and the first 2 > patches marked for stable? Yup. Will move patch 5 to 2nd position. > > Do you also plan to dump SLB contents for bare metal MCEs? Yes. That's the plan. Will do that separately. Thanks, -Mahesh.