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GET /api/patches/757923/?format=api
{ "id": 757923, "url": "http://patchwork.ozlabs.org/api/patches/757923/?format=api", "web_url": "http://patchwork.ozlabs.org/project/linuxppc-dev/patch/87o9vauvyk.fsf@concordia.ellerman.id.au/", "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": "<87o9vauvyk.fsf@concordia.ellerman.id.au>", "list_archive_url": "https://lore.kernel.org/linuxppc-dev/87o9vauvyk.fsf@concordia.ellerman.id.au/", "date": "2017-05-03T09:32:35", "name": "powerpc/mm: Fix mapped range information print during boot", "commit_ref": "6deb6b474bda4d2d3fbee066f20561d3dc7f8b30", "pull_url": null, "state": "accepted", "archived": false, "hash": "35345282bfb3ab12c12840a91a095a241a122f83", "submitter": { "id": 46580, "url": "http://patchwork.ozlabs.org/api/people/46580/?format=api", "name": "Michael Ellerman", "email": "mpe@ellerman.id.au" }, "delegate": null, "mbox": "http://patchwork.ozlabs.org/project/linuxppc-dev/patch/87o9vauvyk.fsf@concordia.ellerman.id.au/mbox/", "series": [], "comments": "http://patchwork.ozlabs.org/api/patches/757923/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/757923/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", "linuxppc-dev@ozlabs.org" ], "Received": [ "from lists.ozlabs.org (lists.ozlabs.org [IPv6:2401:3900:2:1::3])\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 3wHtJM03LJz9s3w\n\tfor <patchwork-incoming@ozlabs.org>;\n\tWed, 3 May 2017 19:33:39 +1000 (AEST)", "from lists.ozlabs.org (lists.ozlabs.org [IPv6:2401:3900:2:1::3])\n\tby lists.ozlabs.org (Postfix) with ESMTP id 3wHtJL6J4nzDqJ7\n\tfor <patchwork-incoming@ozlabs.org>;\n\tWed, 3 May 2017 19:33:38 +1000 (AEST)", "from ozlabs.org (ozlabs.org [103.22.144.67])\n\t(using TLSv1.2 with cipher ADH-AES256-GCM-SHA384 (256/256 bits))\n\t(No client certificate requested)\n\tby lists.ozlabs.org (Postfix) with ESMTPS id 3wHtHD3qzqzDqBH\n\tfor <linuxppc-dev@lists.ozlabs.org>;\n\tWed, 3 May 2017 19:32:40 +1000 (AEST)", "by ozlabs.org (Postfix)\n\tid 3wHtHD37XFz9s7v; Wed, 3 May 2017 19:32:40 +1000 (AEST)", "from authenticated.ozlabs.org (localhost [127.0.0.1])\n\t(using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128\n\tbits)) (No client certificate requested)\n\tby ozlabs.org (Postfix) with ESMTPSA id 3wHtHD1dPlz9s3w;\n\tWed, 3 May 2017 19:32:40 +1000 (AEST)" ], "From": "Michael Ellerman <mpe@ellerman.id.au>", "To": "Anshuman Khandual <khandual@linux.vnet.ibm.com>, linuxppc-dev@ozlabs.org", "Subject": "Re: [PATCH] powerpc/mm: Fix mapped range information print during\n\tboot", "In-Reply-To": "<20170428142445.17615-1-khandual@linux.vnet.ibm.com>", "References": "<20170428142445.17615-1-khandual@linux.vnet.ibm.com>", "User-Agent": "Notmuch/0.21 (https://notmuchmail.org)", "Date": "Wed, 03 May 2017 19:32:35 +1000", "Message-ID": "<87o9vauvyk.fsf@concordia.ellerman.id.au>", "MIME-Version": "1.0", "Content-Type": "text/plain", "X-BeenThere": "linuxppc-dev@lists.ozlabs.org", "X-Mailman-Version": "2.1.23", "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>", "Cc": "aneesh.kumar@linux.vnet.ibm.com", "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": "Anshuman Khandual <khandual@linux.vnet.ibm.com> writes:\n\n> This is a trivial fix patch regarding mapped ranges in radix MMU\n> environment during boot. No functional change.\n>\n> Before the patch:\n>\n> $dmesg | grep Mapped\n> [ 0.000000] Mapped range 0x0 - 0x2000000000 with 0x40000000\n> [ 0.000000] Mapped range 0x200000000000 - 0x202000000000 with 0x40000000\n>\n> After the patch:\n>\n> $dmesg | grep Mapped\n> [ 0.000000] Mapped range 0x0000000000000000 - 0x0000002000000000 with 1024 MB\n> [ 0.000000] Mapped range 0x0000200000000000 - 0x0000202000000000 with 1024 MB\n\nIt's a bit better, how about this instead?\n\n\n\ncheers", "diff": "diff --git a/arch/powerpc/mm/pgtable-radix.c b/arch/powerpc/mm/pgtable-radix.c\nindex c28165d8970b..519cfef569d1 100644\n--- a/arch/powerpc/mm/pgtable-radix.c\n+++ b/arch/powerpc/mm/pgtable-radix.c\n@@ -8,9 +8,14 @@\n * as published by the Free Software Foundation; either version\n * 2 of the License, or (at your option) any later version.\n */\n+\n+#define pr_fmt(fmt) \"radix-mmu: \" fmt\n+\n+#include <linux/kernel.h>\n #include <linux/sched/mm.h>\n #include <linux/memblock.h>\n #include <linux/of_fdt.h>\n+#include <linux/string_helpers.h>\n \n #include <asm/pgtable.h>\n #include <asm/pgalloc.h>\n@@ -112,10 +117,14 @@ static inline void __meminit print_mapping(unsigned long start,\n \t\t\t\t\t unsigned long end,\n \t\t\t\t\t unsigned long size)\n {\n+\tchar buf[10];\n+\n \tif (end <= start)\n \t\treturn;\n \n-\tpr_info(\"Mapped range 0x%lx - 0x%lx with 0x%lx\\n\", start, end, size);\n+\tstring_get_size(size, 1, STRING_UNITS_2, buf, sizeof(buf));\n+\n+\tpr_info(\"Mapped 0x%016lx-0x%016lx with %s pages\\n\", start, end, buf);\n }\n \n static int __meminit create_physical_mapping(unsigned long start,\n", "prefixes": [] }