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GET /api/patches/816475/?format=api
{ "id": 816475, "url": "http://patchwork.ozlabs.org/api/patches/816475/?format=api", "web_url": "http://patchwork.ozlabs.org/project/linuxppc-dev/patch/20170920201714.19817-12-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": "<20170920201714.19817-12-pasha.tatashin@oracle.com>", "list_archive_url": "https://lore.kernel.org/linuxppc-dev/20170920201714.19817-12-pasha.tatashin@oracle.com/", "date": "2017-09-20T20:17:13", "name": "[v9,11/12] arm64/kasan: use kasan_map_populate()", "commit_ref": null, "pull_url": null, "state": "not-applicable", "archived": false, "hash": "1f62bdacad0cda85d03e435e272721d44ba361cd", "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/20170920201714.19817-12-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/816475/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/816475/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 3xyBQP33lrz9s4s\n\tfor <patchwork-incoming@ozlabs.org>;\n\tThu, 21 Sep 2017 06:38:05 +1000 (AEST)", "from lists.ozlabs.org (lists.ozlabs.org [IPv6:2401:3900:2:1::3])\n\tby lists.ozlabs.org (Postfix) with ESMTP id 3xyBQP1YChzDrZ1\n\tfor <patchwork-incoming@ozlabs.org>;\n\tThu, 21 Sep 2017 06:38:05 +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 3xyB026tr3zDr5T\n\tfor <linuxppc-dev@lists.ozlabs.org>;\n\tThu, 21 Sep 2017 06:18:42 +1000 (AEST)", "from aserv0021.oracle.com (aserv0021.oracle.com [141.146.126.233])\n\tby aserp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2)\n\twith ESMTP id v8KKHdlY011533\n\t(version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256\n\tverify=OK); Wed, 20 Sep 2017 20:17:39 GMT", "from userv0121.oracle.com (userv0121.oracle.com [156.151.31.72])\n\tby aserv0021.oracle.com (8.14.4/8.14.4) with ESMTP id v8KKHca7022194\n\t(version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256\n\tverify=OK); Wed, 20 Sep 2017 20:17:39 GMT", "from abhmp0008.oracle.com (abhmp0008.oracle.com [141.146.116.14])\n\tby userv0121.oracle.com (8.14.4/8.13.8) with ESMTP id\n\tv8KKHbw1007930; Wed, 20 Sep 2017 20:17:37 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 13:17:37 -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 11/12] arm64/kasan: use kasan_map_populate()", "Date": "Wed, 20 Sep 2017 16:17:13 -0400", "Message-Id": "<20170920201714.19817-12-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": "aserv0021.oracle.com [141.146.126.233]", "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/arm64/mm/kasan_init.c | 12 ++++++------\n 1 file changed, 6 insertions(+), 6 deletions(-)", "diff": "diff --git a/arch/arm64/mm/kasan_init.c b/arch/arm64/mm/kasan_init.c\nindex 81f03959a4ab..b6e92cfa3ea3 100644\n--- a/arch/arm64/mm/kasan_init.c\n+++ b/arch/arm64/mm/kasan_init.c\n@@ -161,11 +161,11 @@ void __init kasan_init(void)\n \n \tclear_pgds(KASAN_SHADOW_START, KASAN_SHADOW_END);\n \n-\tvmemmap_populate(kimg_shadow_start, kimg_shadow_end,\n-\t\t\t pfn_to_nid(virt_to_pfn(lm_alias(_text))));\n+\tkasan_map_populate(kimg_shadow_start, kimg_shadow_end,\n+\t\t\t pfn_to_nid(virt_to_pfn(lm_alias(_text))));\n \n \t/*\n-\t * vmemmap_populate() has populated the shadow region that covers the\n+\t * kasan_map_populate() has populated the shadow region that covers the\n \t * kernel image with SWAPPER_BLOCK_SIZE mappings, so we have to round\n \t * the start and end addresses to SWAPPER_BLOCK_SIZE as well, to prevent\n \t * kasan_populate_zero_shadow() from replacing the page table entries\n@@ -191,9 +191,9 @@ void __init kasan_init(void)\n \t\tif (start >= end)\n \t\t\tbreak;\n \n-\t\tvmemmap_populate((unsigned long)kasan_mem_to_shadow(start),\n-\t\t\t\t(unsigned long)kasan_mem_to_shadow(end),\n-\t\t\t\tpfn_to_nid(virt_to_pfn(start)));\n+\t\tkasan_map_populate((unsigned long)kasan_mem_to_shadow(start),\n+\t\t\t\t (unsigned long)kasan_mem_to_shadow(end),\n+\t\t\t\t pfn_to_nid(virt_to_pfn(start)));\n \t}\n \n \t/*\n", "prefixes": [ "v9", "11/12" ] }