{"id":816447,"url":"http://patchwork.ozlabs.org/api/patches/816447/?format=json","web_url":"http://patchwork.ozlabs.org/project/sparclinux/patch/20170920201714.19817-12-pasha.tatashin@oracle.com/","project":{"id":10,"url":"http://patchwork.ozlabs.org/api/projects/10/?format=json","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":"<20170920201714.19817-12-pasha.tatashin@oracle.com>","list_archive_url":null,"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=json","name":"Pavel Tatashin","email":"pasha.tatashin@oracle.com"},"delegate":{"id":34,"url":"http://patchwork.ozlabs.org/api/users/34/?format=json","username":"davem","first_name":"David","last_name":"Miller","email":"davem@davemloft.net"},"mbox":"http://patchwork.ozlabs.org/project/sparclinux/patch/20170920201714.19817-12-pasha.tatashin@oracle.com/mbox/","series":[{"id":4223,"url":"http://patchwork.ozlabs.org/api/series/4223/?format=json","web_url":"http://patchwork.ozlabs.org/project/sparclinux/list/?series=4223","date":"2017-09-20T20:17:06","name":"complete deferred page initialization","version":9,"mbox":"http://patchwork.ozlabs.org/series/4223/mbox/"}],"comments":"http://patchwork.ozlabs.org/api/patches/816447/comments/","check":"pending","checks":"http://patchwork.ozlabs.org/api/patches/816447/checks/","tags":{},"related":[],"headers":{"Return-Path":"","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=)","Received":["from vger.kernel.org (vger.kernel.org [209.132.180.67])\n\tby ozlabs.org (Postfix) with ESMTP id 3xyB0l3lmtz9s7v\n\tfor ;\n\tThu, 21 Sep 2017 06:19:19 +1000 (AEST)","(majordomo@vger.kernel.org) by vger.kernel.org via listexpand\n\tid S1751779AbdITUSx (ORCPT );\n\tWed, 20 Sep 2017 16:18:53 -0400","from aserp1040.oracle.com ([141.146.126.69]:22946 \"EHLO\n\taserp1040.oracle.com\" rhost-flags-OK-OK-OK-OK) by vger.kernel.org\n\twith ESMTP id S1751714AbdITUSt (ORCPT\n\t); Wed, 20 Sep 2017 16:18:49 -0400","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"],"From":"Pavel Tatashin ","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,\n\twilly@infradead.org, mhocko@kernel.org, ard.biesheuvel@linaro.org,\n\tmark.rutland@arm.com, will.deacon@arm.com, catalin.marinas@arm.com,\n\tsam@ravnborg.org, mgorman@techsingularity.net,\n\tsteven.sistare@oracle.com, daniel.m.jordan@oracle.com,\n\tbob.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]","Sender":"sparclinux-owner@vger.kernel.org","Precedence":"bulk","List-ID":"","X-Mailing-List":"sparclinux@vger.kernel.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 \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"]}