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GET /api/patches/818312/?format=api
{ "id": 818312, "url": "http://patchwork.ozlabs.org/api/patches/818312/?format=api", "web_url": "http://patchwork.ozlabs.org/project/sparclinux/patch/14699ded812ff03644cb0446be7b4d18893550be.1506089472.git.khalid.aziz@oracle.com/", "project": { "id": 10, "url": "http://patchwork.ozlabs.org/api/projects/10/?format=api", "name": "Linux SPARC Development ", "link_name": "sparclinux", "list_id": "sparclinux.vger.kernel.org", "list_email": "sparclinux@vger.kernel.org", "web_url": null, "scm_url": null, "webscm_url": null, "list_archive_url": "", "list_archive_url_format": "", "commit_url_format": "" }, "msgid": "<14699ded812ff03644cb0446be7b4d18893550be.1506089472.git.khalid.aziz@oracle.com>", "list_archive_url": null, "date": "2017-09-25T16:48:52", "name": "[v8,1/9] signals, sparc: Add signal codes for ADI violations", "commit_ref": null, "pull_url": null, "state": "changes-requested", "archived": false, "hash": "091324841c0766ce6d61e39c3deb4a3838ace27c", "submitter": { "id": 42386, "url": "http://patchwork.ozlabs.org/api/people/42386/?format=api", "name": "Khalid Aziz", "email": "khalid.aziz@oracle.com" }, "delegate": { "id": 34, "url": "http://patchwork.ozlabs.org/api/users/34/?format=api", "username": "davem", "first_name": "David", "last_name": "Miller", "email": "davem@davemloft.net" }, "mbox": "http://patchwork.ozlabs.org/project/sparclinux/patch/14699ded812ff03644cb0446be7b4d18893550be.1506089472.git.khalid.aziz@oracle.com/mbox/", "series": [ { "id": 4990, "url": "http://patchwork.ozlabs.org/api/series/4990/?format=api", "web_url": "http://patchwork.ozlabs.org/project/sparclinux/list/?series=4990", "date": "2017-09-25T16:48:55", "name": "Application Data Integrity feature introduced by SPARC M7", "version": 8, "mbox": "http://patchwork.ozlabs.org/series/4990/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/818312/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/818312/checks/", "tags": {}, "related": [], "headers": { "Return-Path": "<sparclinux-owner@vger.kernel.org>", "X-Original-To": "patchwork-incoming@ozlabs.org", "Delivered-To": "patchwork-incoming@ozlabs.org", "Authentication-Results": "ozlabs.org;\n\tspf=none (mailfrom) smtp.mailfrom=vger.kernel.org\n\t(client-ip=209.132.180.67; helo=vger.kernel.org;\n\tenvelope-from=sparclinux-owner@vger.kernel.org;\n\treceiver=<UNKNOWN>)", "Received": [ "from vger.kernel.org (vger.kernel.org [209.132.180.67])\n\tby ozlabs.org (Postfix) with ESMTP id 3y198x16q7z9t5c\n\tfor <patchwork-incoming@ozlabs.org>;\n\tTue, 26 Sep 2017 02:51:45 +1000 (AEST)", "(majordomo@vger.kernel.org) by vger.kernel.org via listexpand\n\tid S1754126AbdIYQvb (ORCPT <rfc822;patchwork-incoming@ozlabs.org>);\n\tMon, 25 Sep 2017 12:51:31 -0400", "from aserp1040.oracle.com ([141.146.126.69]:40575 \"EHLO\n\taserp1040.oracle.com\" rhost-flags-OK-OK-OK-OK) by vger.kernel.org\n\twith ESMTP id S1754093AbdIYQv3 (ORCPT\n\t<rfc822; sparclinux@vger.kernel.org>); Mon, 25 Sep 2017 12:51:29 -0400", "from aserv0022.oracle.com (aserv0022.oracle.com [141.146.126.234])\n\tby aserp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2)\n\twith ESMTP id v8PGp8Xa021134\n\t(version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256\n\tverify=OK); Mon, 25 Sep 2017 16:51:08 GMT", "from aserv0122.oracle.com (aserv0122.oracle.com [141.146.126.236])\n\tby aserv0022.oracle.com (8.14.4/8.14.4) with ESMTP id\n\tv8PGp80d018493\n\t(version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256\n\tverify=OK); Mon, 25 Sep 2017 16:51:08 GMT", "from abhmp0019.oracle.com (abhmp0019.oracle.com [141.146.116.25])\n\tby aserv0122.oracle.com (8.14.4/8.14.4) with ESMTP id\n\tv8PGp46m014166; Mon, 25 Sep 2017 16:51:04 GMT", "from concerto.us.oracle.com (/24.9.64.241)\n\tby default (Oracle Beehive Gateway v4.0)\n\twith ESMTP ; Mon, 25 Sep 2017 09:51:04 -0700" ], "From": "Khalid Aziz <khalid.aziz@oracle.com>", "To": "arnd@arndb.de, hpa@zytor.com, davem@davemloft.net,\n\tdave.hansen@linux.intel.com", "Cc": "Khalid Aziz <khalid.aziz@oracle.com>, 0x7f454c46@gmail.com,\n\ttglx@linutronix.de, mingo@redhat.com, x86@kernel.org,\n\tjroedel@suse.de, linux-kernel@vger.kernel.org,\n\tlinux-arch@vger.kernel.org, sparclinux@vger.kernel.org,\n\tKhalid Aziz <khalid@gonehiking.org>", "Subject": "[PATCH v8 1/9] signals, sparc: Add signal codes for ADI violations", "Date": "Mon, 25 Sep 2017 10:48:52 -0600", "Message-Id": "<14699ded812ff03644cb0446be7b4d18893550be.1506089472.git.khalid.aziz@oracle.com>", "X-Mailer": "git-send-email 2.11.0", "In-Reply-To": [ "<cover.1506089472.git.khalid.aziz@oracle.com>", "<cover.1506089472.git.khalid.aziz@oracle.com>" ], "References": [ "<cover.1506089472.git.khalid.aziz@oracle.com>", "<cover.1506089472.git.khalid.aziz@oracle.com>" ], "X-Source-IP": "aserv0022.oracle.com [141.146.126.234]", "Sender": "sparclinux-owner@vger.kernel.org", "Precedence": "bulk", "List-ID": "<sparclinux.vger.kernel.org>", "X-Mailing-List": "sparclinux@vger.kernel.org" }, "content": "SPARC M7 processor introduces a new feature - Application Data\nIntegrity (ADI). ADI allows MMU to catch rogue accesses to memory.\nWhen a rogue access occurs, MMU blocks the access and raises an\nexception. In response to the exception, kernel sends the offending\ntask a SIGSEGV with si_code that indicates the nature of exception.\nThis patch adds three new signal codes specific to ADI feature:\n\n1. ADI is not enabled for the address and task attempted to access\n memory using ADI\n2. Task attempted to access memory using wrong ADI tag and caused\n a deferred exception.\n3. Task attempted to access memory using wrong ADI tag and caused\n a precise exception.\n\nSigned-off-by: Khalid Aziz <khalid.aziz@oracle.com>\nCc: Khalid Aziz <khalid@gonehiking.org>\n---\n arch/x86/kernel/signal_compat.c | 2 +-\n include/uapi/asm-generic/siginfo.h | 5 ++++-\n 2 files changed, 5 insertions(+), 2 deletions(-)", "diff": "diff --git a/arch/x86/kernel/signal_compat.c b/arch/x86/kernel/signal_compat.c\nindex 71beb28600d4..e6e0b50230c3 100644\n--- a/arch/x86/kernel/signal_compat.c\n+++ b/arch/x86/kernel/signal_compat.c\n@@ -26,7 +26,7 @@ static inline void signal_compat_build_tests(void)\n \t */\n \tBUILD_BUG_ON(NSIGILL != 8);\n \tBUILD_BUG_ON(NSIGFPE != 8);\n-\tBUILD_BUG_ON(NSIGSEGV != 4);\n+\tBUILD_BUG_ON(NSIGSEGV != 7);\n \tBUILD_BUG_ON(NSIGBUS != 5);\n \tBUILD_BUG_ON(NSIGTRAP != 4);\n \tBUILD_BUG_ON(NSIGCHLD != 6);\ndiff --git a/include/uapi/asm-generic/siginfo.h b/include/uapi/asm-generic/siginfo.h\nindex 9c4eca6b374a..72b435beb930 100644\n--- a/include/uapi/asm-generic/siginfo.h\n+++ b/include/uapi/asm-generic/siginfo.h\n@@ -224,7 +224,10 @@ typedef struct siginfo {\n #define SEGV_ACCERR\t(__SI_FAULT|2)\t/* invalid permissions for mapped object */\n #define SEGV_BNDERR\t(__SI_FAULT|3) /* failed address bound checks */\n #define SEGV_PKUERR\t(__SI_FAULT|4) /* failed protection key checks */\n-#define NSIGSEGV\t4\n+#define SEGV_ACCADI\t(__SI_FAULT|5)\t/* ADI not enabled for mapped object */\n+#define SEGV_ADIDERR\t(__SI_FAULT|6)\t/* Disrupting MCD error */\n+#define SEGV_ADIPERR\t(__SI_FAULT|7)\t/* Precise MCD exception */\n+#define NSIGSEGV\t7\n \n /*\n * SIGBUS si_codes\n", "prefixes": [ "v8", "1/9" ] }