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{
    "id": 816447,
    "url": "http://patchwork.ozlabs.org/api/patches/816447/?format=api",
    "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=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": "<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=api",
        "name": "Pavel Tatashin",
        "email": "pasha.tatashin@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/20170920201714.19817-12-pasha.tatashin@oracle.com/mbox/",
    "series": [
        {
            "id": 4223,
            "url": "http://patchwork.ozlabs.org/api/series/4223/?format=api",
            "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": "<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 3xyB0l3lmtz9s7v\n\tfor <patchwork-incoming@ozlabs.org>;\n\tThu, 21 Sep 2017 06:19:19 +1000 (AEST)",
            "(majordomo@vger.kernel.org) by vger.kernel.org via listexpand\n\tid S1751779AbdITUSx (ORCPT <rfc822;patchwork-incoming@ozlabs.org>);\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<rfc822; sparclinux@vger.kernel.org>); 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",
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        ],
        "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,\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": "<sparclinux.vger.kernel.org>",
        "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 <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"
    ]
}