From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from ozlabs.org (bilbo.ozlabs.org [203.11.71.1]) (using TLSv1.2 with cipher ADH-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 411h5k6DYdzF33T for ; Thu, 7 Jun 2018 20:06:34 +1000 (AEST) Received: from ozlabs.org (bilbo.ozlabs.org [203.11.71.1]) by bilbo.ozlabs.org (Postfix) with ESMTP id 411h5k23C2z98st for ; Thu, 7 Jun 2018 20:06:34 +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 411h5j3fxPz9s01 for ; Thu, 7 Jun 2018 20:06:33 +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 w57A4b3e083940 for ; Thu, 7 Jun 2018 06:06:31 -0400 Received: from e06smtp07.uk.ibm.com (e06smtp07.uk.ibm.com [195.75.94.103]) by mx0a-001b2d01.pphosted.com with ESMTP id 2jf1me3bnb-1 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=NOT) for ; Thu, 07 Jun 2018 06:06:31 -0400 Received: from localhost by e06smtp07.uk.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted for from ; Thu, 7 Jun 2018 11:06:29 +0100 Subject: [v2 PATCH 0/5] powerpc/pseries: Machien check handler improvements. From: Mahesh J Salgaonkar To: linuxppc-dev Cc: Michael Ellerman , "Aneesh Kumar K.V" , "Aneesh Kumar K.V" , Michael Ellerman , Laurent Dufour Date: Thu, 07 Jun 2018 15:36:25 +0530 MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Message-Id: <152836568375.29173.3046879842311381046.stgit@jupiter.in.ibm.com> List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , 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. arch/powerpc/include/asm/book3s/64/mmu-hash.h | 1 arch/powerpc/include/asm/rtas.h | 109 ++++++++++++++++++ arch/powerpc/kernel/rtasd.c | 2 arch/powerpc/mm/slb.c | 35 ++++++ arch/powerpc/platforms/pseries/ras.c | 155 +++++++++++++++++++++++++ 5 files changed, 299 insertions(+), 3 deletions(-) -- Signature