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GET /api/patches/816469/?format=api
{ "id": 816469, "url": "http://patchwork.ozlabs.org/api/patches/816469/?format=api", "web_url": "http://patchwork.ozlabs.org/project/linuxppc-dev/patch/20170920201714.19817-11-pasha.tatashin@oracle.com/", "project": { "id": 2, "url": "http://patchwork.ozlabs.org/api/projects/2/?format=api", "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": "<20170920201714.19817-11-pasha.tatashin@oracle.com>", "list_archive_url": "https://lore.kernel.org/linuxppc-dev/20170920201714.19817-11-pasha.tatashin@oracle.com/", "date": "2017-09-20T20:17:12", "name": "[v9,10/12] x86/kasan: use kasan_map_populate()", "commit_ref": null, "pull_url": null, "state": "not-applicable", "archived": false, "hash": "135f8ec2d71e5d0bb87729ca9cba7cee31ac2954", "submitter": { "id": 71010, "url": "http://patchwork.ozlabs.org/api/people/71010/?format=api", "name": "Pavel Tatashin", "email": "pasha.tatashin@oracle.com" }, "delegate": null, "mbox": "http://patchwork.ozlabs.org/project/linuxppc-dev/patch/20170920201714.19817-11-pasha.tatashin@oracle.com/mbox/", "series": [ { "id": 4225, "url": "http://patchwork.ozlabs.org/api/series/4225/?format=api", "web_url": "http://patchwork.ozlabs.org/project/linuxppc-dev/list/?series=4225", "date": "2017-09-20T20:17:06", "name": "complete deferred page initialization", "version": 9, "mbox": "http://patchwork.ozlabs.org/series/4225/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/816469/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/816469/checks/", "tags": {}, "related": [], "headers": { "Return-Path": "<linuxppc-dev-bounces+patchwork-incoming=ozlabs.org@lists.ozlabs.org>", "X-Original-To": [ "patchwork-incoming@ozlabs.org", "linuxppc-dev@lists.ozlabs.org" ], "Delivered-To": [ "patchwork-incoming@ozlabs.org", "linuxppc-dev@lists.ozlabs.org" ], "Received": [ "from lists.ozlabs.org (lists.ozlabs.org [103.22.144.68])\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 3xyBFl6vVvz9s7v\n\tfor <patchwork-incoming@ozlabs.org>;\n\tThu, 21 Sep 2017 06:30:35 +1000 (AEST)", "from lists.ozlabs.org (lists.ozlabs.org [IPv6:2401:3900:2:1::3])\n\tby lists.ozlabs.org (Postfix) with ESMTP id 3xyBFl673lzDrbf\n\tfor <patchwork-incoming@ozlabs.org>;\n\tThu, 21 Sep 2017 06:30:35 +1000 (AEST)", "from aserp1040.oracle.com (aserp1040.oracle.com [141.146.126.69])\n\t(using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256\n\tbits)) (No client certificate requested)\n\tby lists.ozlabs.org (Postfix) with ESMTPS id 3xy9zy1xkwzDrFp\n\tfor <linuxppc-dev@lists.ozlabs.org>;\n\tThu, 21 Sep 2017 06:18:37 +1000 (AEST)", "from userv0022.oracle.com (userv0022.oracle.com [156.151.31.74])\n\tby aserp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with\n\tESMTP id v8KKHaKR011493\n\t(version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256\n\tverify=OK); Wed, 20 Sep 2017 20:17:37 GMT", "from aserv0121.oracle.com (aserv0121.oracle.com [141.146.126.235])\n\tby userv0022.oracle.com (8.14.4/8.14.4) with ESMTP id\n\tv8KKHab9030177\n\t(version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256\n\tverify=OK); Wed, 20 Sep 2017 20:17:36 GMT", "from abhmp0008.oracle.com (abhmp0008.oracle.com [141.146.116.14])\n\tby aserv0121.oracle.com (8.14.4/8.13.8) with ESMTP id\n\tv8KKHZEX007276; Wed, 20 Sep 2017 20:17:35 GMT", "from xakep.us.oracle.com (/10.154.127.176)\n\tby default (Oracle Beehive Gateway v4.0)\n\twith ESMTP ; Wed, 20 Sep 2017 13:17:35 -0700" ], "Authentication-Results": "ozlabs.org;\n\tspf=pass (mailfrom) smtp.mailfrom=oracle.com\n\t(client-ip=141.146.126.69; helo=aserp1040.oracle.com;\n\tenvelope-from=pasha.tatashin@oracle.com; receiver=<UNKNOWN>)", "From": "Pavel Tatashin <pasha.tatashin@oracle.com>", "To": "linux-kernel@vger.kernel.org, sparclinux@vger.kernel.org,\n\tlinux-mm@kvack.org, linuxppc-dev@lists.ozlabs.org,\n\tlinux-s390@vger.kernel.org, linux-arm-kernel@lists.infradead.org,\n\tx86@kernel.org, kasan-dev@googlegroups.com, borntraeger@de.ibm.com,\n\theiko.carstens@de.ibm.com, davem@davemloft.net, willy@infradead.org, \n\tmhocko@kernel.org, ard.biesheuvel@linaro.org, mark.rutland@arm.com,\n\twill.deacon@arm.com, catalin.marinas@arm.com, sam@ravnborg.org,\n\tmgorman@techsingularity.net, steven.sistare@oracle.com,\n\tdaniel.m.jordan@oracle.com, bob.picco@oracle.com", "Subject": "[PATCH v9 10/12] x86/kasan: use kasan_map_populate()", "Date": "Wed, 20 Sep 2017 16:17:12 -0400", "Message-Id": "<20170920201714.19817-11-pasha.tatashin@oracle.com>", "X-Mailer": "git-send-email 2.14.1", "In-Reply-To": "<20170920201714.19817-1-pasha.tatashin@oracle.com>", "References": "<20170920201714.19817-1-pasha.tatashin@oracle.com>", "X-Source-IP": "userv0022.oracle.com [156.151.31.74]", "X-BeenThere": "linuxppc-dev@lists.ozlabs.org", "X-Mailman-Version": "2.1.24", "Precedence": "list", "List-Id": "Linux on PowerPC Developers Mail List\n\t<linuxppc-dev.lists.ozlabs.org>", "List-Unsubscribe": "<https://lists.ozlabs.org/options/linuxppc-dev>,\n\t<mailto:linuxppc-dev-request@lists.ozlabs.org?subject=unsubscribe>", "List-Archive": "<http://lists.ozlabs.org/pipermail/linuxppc-dev/>", "List-Post": "<mailto:linuxppc-dev@lists.ozlabs.org>", "List-Help": "<mailto:linuxppc-dev-request@lists.ozlabs.org?subject=help>", "List-Subscribe": "<https://lists.ozlabs.org/listinfo/linuxppc-dev>,\n\t<mailto:linuxppc-dev-request@lists.ozlabs.org?subject=subscribe>", "Errors-To": "linuxppc-dev-bounces+patchwork-incoming=ozlabs.org@lists.ozlabs.org", "Sender": "\"Linuxppc-dev\"\n\t<linuxppc-dev-bounces+patchwork-incoming=ozlabs.org@lists.ozlabs.org>" }, "content": "To optimize the performance of struct page initialization,\nvmemmap_populate() will no longer zero memory.\n\nTherefore, we must use a new interface to allocate and map kasan shadow\nmemory, that also zeroes memory for us.\n\nSigned-off-by: Pavel Tatashin <pasha.tatashin@oracle.com>\n---\n arch/x86/mm/kasan_init_64.c | 8 ++++----\n 1 file changed, 4 insertions(+), 4 deletions(-)", "diff": "diff --git a/arch/x86/mm/kasan_init_64.c b/arch/x86/mm/kasan_init_64.c\nindex bc84b73684b7..2db95efd208e 100644\n--- a/arch/x86/mm/kasan_init_64.c\n+++ b/arch/x86/mm/kasan_init_64.c\n@@ -23,7 +23,7 @@ static int __init map_range(struct range *range)\n \tstart = (unsigned long)kasan_mem_to_shadow(pfn_to_kaddr(range->start));\n \tend = (unsigned long)kasan_mem_to_shadow(pfn_to_kaddr(range->end));\n \n-\treturn vmemmap_populate(start, end, NUMA_NO_NODE);\n+\treturn kasan_map_populate(start, end, NUMA_NO_NODE);\n }\n \n static void __init clear_pgds(unsigned long start,\n@@ -136,9 +136,9 @@ void __init kasan_init(void)\n \t\tkasan_mem_to_shadow((void *)PAGE_OFFSET + MAXMEM),\n \t\tkasan_mem_to_shadow((void *)__START_KERNEL_map));\n \n-\tvmemmap_populate((unsigned long)kasan_mem_to_shadow(_stext),\n-\t\t\t(unsigned long)kasan_mem_to_shadow(_end),\n-\t\t\tNUMA_NO_NODE);\n+\tkasan_map_populate((unsigned long)kasan_mem_to_shadow(_stext),\n+\t\t\t (unsigned long)kasan_mem_to_shadow(_end),\n+\t\t\t NUMA_NO_NODE);\n \n \tkasan_populate_zero_shadow(kasan_mem_to_shadow((void *)MODULES_END),\n \t\t\t(void *)KASAN_SHADOW_END);\n", "prefixes": [ "v9", "10/12" ] }