{"id":809916,"url":"http://patchwork.ozlabs.org/api/covers/809916/?format=json","web_url":"http://patchwork.ozlabs.org/project/linuxppc-dev/cover/20170905041555.27696-1-bsingharora@gmail.com/","project":{"id":2,"url":"http://patchwork.ozlabs.org/api/projects/2/?format=json","name":"Linux PPC development","link_name":"linuxppc-dev","list_id":"linuxppc-dev.lists.ozlabs.org","list_email":"linuxppc-dev@lists.ozlabs.org","web_url":"https://github.com/linuxppc/wiki/wiki","scm_url":"https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git","webscm_url":"https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git/","list_archive_url":"https://lore.kernel.org/linuxppc-dev/","list_archive_url_format":"https://lore.kernel.org/linuxppc-dev/{}/","commit_url_format":"https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git/commit/?id={}"},"msgid":"<20170905041555.27696-1-bsingharora@gmail.com>","list_archive_url":"https://lore.kernel.org/linuxppc-dev/20170905041555.27696-1-bsingharora@gmail.com/","date":"2017-09-05T04:15:52","name":"[rfc,0/3] Revisit MCE handling for UE errors","submitter":{"id":9347,"url":"http://patchwork.ozlabs.org/api/people/9347/?format=json","name":"Balbir Singh","email":"bsingharora@gmail.com"},"mbox":"http://patchwork.ozlabs.org/project/linuxppc-dev/cover/20170905041555.27696-1-bsingharora@gmail.com/mbox/","series":[{"id":1484,"url":"http://patchwork.ozlabs.org/api/series/1484/?format=json","web_url":"http://patchwork.ozlabs.org/project/linuxppc-dev/list/?series=1484","date":"2017-09-05T04:15:52","name":"Revisit MCE handling for UE errors","version":1,"mbox":"http://patchwork.ozlabs.org/series/1484/mbox/"}],"comments":"http://patchwork.ozlabs.org/api/covers/809916/comments/","headers":{"Return-Path":"","X-Original-To":["patchwork-incoming@ozlabs.org","linuxppc-dev@lists.ozlabs.org"],"Delivered-To":["patchwork-incoming@ozlabs.org","linuxppc-dev@lists.ozlabs.org","linuxppc-dev@ozlabs.org"],"Received":["from lists.ozlabs.org (lists.ozlabs.org [IPv6:2401:3900:2:1::3])\n\t(using TLSv1.2 with cipher ADH-AES256-GCM-SHA384 (256/256 bits))\n\t(No client certificate requested)\n\tby ozlabs.org (Postfix) with ESMTPS id 3xmYN93dSsz9s9Y\n\tfor ;\n\tTue, 5 Sep 2017 14:17:45 +1000 (AEST)","from lists.ozlabs.org (lists.ozlabs.org [IPv6:2401:3900:2:1::3])\n\tby lists.ozlabs.org (Postfix) with ESMTP id 3xmYN92VTgzDrGr\n\tfor ;\n\tTue, 5 Sep 2017 14:17:45 +1000 (AEST)","from ozlabs.org (ozlabs.org [IPv6:2401:3900:2:1::2])\n\t(using TLSv1.2 with cipher ADH-AES256-GCM-SHA384 (256/256 bits))\n\t(No client certificate requested)\n\tby lists.ozlabs.org (Postfix) with ESMTPS id 3xmYLL3TnMzDqnQ\n\tfor ;\n\tTue, 5 Sep 2017 14:16:10 +1000 (AEST)","from ozlabs.org (ozlabs.org [IPv6:2401:3900:2:1::2])\n\tby bilbo.ozlabs.org (Postfix) with ESMTP id 3xmYLL1ZcPz8vDW\n\tfor ;\n\tTue, 5 Sep 2017 14:16:10 +1000 (AEST)","by ozlabs.org (Postfix)\n\tid 3xmYLL16TDz9sPk; 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a=rsa-sha256; c=relaxed/relaxed;\n\td=1e100.net; s=20161025;\n\th=x-gm-message-state:from:to:cc:subject:date:message-id;\n\tbh=iR6g/i2CBJ2twc6RlnCyoXhEjShFqR3bPjZI1nqIxmM=;\n\tb=dUzgk9+JSmLOKuqHZGHz11AIUv+YtqQYjWTVp+1WJgfEukhqYlkCayPjLQlENXTFqT\n\tFnw5s1YcsgeiqDfaDhibEO/OD1n/NDe7r4NBH3QN891LlihcKV1DnaLAP53x/oHBjNcX\n\tzYSEX5BhzMCOrr9eYvnkEJjJi6gGcrjSati+JjLvuY9Ar6WulKIm2f2u5hl5rhqCq1A+\n\tq5C0EI0WKfwFwn2IyPyyqY2iDkryx1BASq6RBht+rnHyjPDPz89oyGlUEsFxHvScmTs4\n\tK465++PbqCK+QIlGmZpxCSHN01IZR3HcIsYBv8ooK+H3CPTVKECPvaFnfJjkLyDA1nZF\n\tQ4hw==","X-Gm-Message-State":"AHPjjUg/HB9+YnglH1XJ8mW+nzBc54CdxaC6Es27Kjp/CkIoewENCWE4\n\tOjKvypL1CzxuXQ==","X-Google-Smtp-Source":"ADKCNb7twx1b0ezpbLuV/CY0B6aiO9b7IjcUYgn6fQsP37m58z+Ed4o2Hz9140c1sm32PdQKobXt4g==","X-Received":"by 10.99.126.84 with SMTP id o20mr2672347pgn.137.1504584967298; \n\tMon, 04 Sep 2017 21:16:07 -0700 (PDT)","From":"Balbir Singh ","To":"npiggin@gmail.com,\n\tmahesh@linux.vnet.ibm.com,\n\talistair@popple.id.au","Subject":"[rfc 0/3] Revisit MCE handling for UE errors","Date":"Tue, 5 Sep 2017 14:15:52 +1000","Message-Id":"<20170905041555.27696-1-bsingharora@gmail.com>","X-Mailer":"git-send-email 2.9.5","X-BeenThere":"linuxppc-dev@lists.ozlabs.org","X-Mailman-Version":"2.1.23","Precedence":"list","List-Id":"Linux on PowerPC Developers Mail List\n\t","List-Unsubscribe":",\n\t","List-Archive":"","List-Post":"","List-Help":"","List-Subscribe":",\n\t","Cc":"linuxppc-dev@ozlabs.org","Errors-To":"linuxppc-dev-bounces+patchwork-incoming=ozlabs.org@lists.ozlabs.org","Sender":"\"Linuxppc-dev\"\n\t"},"content":"This patch series is designed to hook up memory_failure on\nUE errors, this is specially helpful for user_mode UE errors.\n\nThe first patch is a cleanup patch, it removes dead code.\nI could not find any users of get_mce_fault_addr().\nThe second patch walks kernel/user mode page tables in\nreal mode to extract the effective address of the instruction\nthat caused the UE error and the effective address it was\ntrying to access (for load/store).\nThe third patch hooks up memory_failure to the MCE patch.\n\nTODO:\nLog the address in NVRAM, so that we can recover from\nbad pages at boot and keep the blacklist persistent.\n\nBalbir Singh (3):\n powerpc/mce.c: Remove unused function get_mce_fault_addr()\n powerpc/mce: Extract physical_address for UE errors\n powerpc/mce: hookup memory_failure for UE errors\n\n arch/powerpc/include/asm/mce.h | 4 +-\n arch/powerpc/kernel/mce.c | 107 ++++++++++++++++++++++++----------------\n arch/powerpc/kernel/mce_power.c | 60 ++++++++++++++++++++--\n 3 files changed, 120 insertions(+), 51 deletions(-)"}