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GET /api/1.2/patches/783285/?format=api
{ "id": 783285, "url": "http://patchwork.ozlabs.org/api/1.2/patches/783285/?format=api", "web_url": "http://patchwork.ozlabs.org/project/linuxppc-dev/patch/20170703040152.5144-1-joel@jms.id.au/", "project": { "id": 2, "url": "http://patchwork.ozlabs.org/api/1.2/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": "<20170703040152.5144-1-joel@jms.id.au>", "list_archive_url": "https://lore.kernel.org/linuxppc-dev/20170703040152.5144-1-joel@jms.id.au/", "date": "2017-07-03T04:01:52", "name": "powerpc/powernv/idle: Put pnv_cpu_offline behind HOTPLUG_CPU", "commit_ref": null, "pull_url": null, "state": "superseded", "archived": true, "hash": "cf0f70106ae3c18a5d1d871474835eea0935b9c7", "submitter": { "id": 48628, "url": "http://patchwork.ozlabs.org/api/1.2/people/48628/?format=api", "name": "Joel Stanley", "email": "joel@jms.id.au" }, "delegate": null, "mbox": "http://patchwork.ozlabs.org/project/linuxppc-dev/patch/20170703040152.5144-1-joel@jms.id.au/mbox/", "series": [], "comments": "http://patchwork.ozlabs.org/api/patches/783285/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/783285/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 3x1D582kXnz9sPN\n\tfor <patchwork-incoming@ozlabs.org>;\n\tMon, 3 Jul 2017 14:03:24 +1000 (AEST)", "from lists.ozlabs.org (lists.ozlabs.org [IPv6:2401:3900:2:1::3])\n\tby lists.ozlabs.org (Postfix) with ESMTP id 3x1D581h69zDr4g\n\tfor <patchwork-incoming@ozlabs.org>;\n\tMon, 3 Jul 2017 14:03:24 +1000 (AEST)", "from mail-pf0-x242.google.com (mail-pf0-x242.google.com\n\t[IPv6:2607:f8b0:400e:c00::242])\n\t(using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128\n\tbits)) (No client certificate requested)\n\tby lists.ozlabs.org (Postfix) with ESMTPS id 3x1D3c1TlTzDr14\n\tfor <linuxppc-dev@lists.ozlabs.org>;\n\tMon, 3 Jul 2017 14:02:04 +1000 (AEST)", "by mail-pf0-x242.google.com with SMTP id c24so9696681pfe.1\n\tfor <linuxppc-dev@lists.ozlabs.org>;\n\tSun, 02 Jul 2017 21:02:04 -0700 (PDT)", "from aurora.jms.id.au ([45.124.203.19])\n\tby smtp.gmail.com with ESMTPSA id\n\tx25sm34033796pfi.58.2017.07.02.21.01.58\n\t(version=TLS1 cipher=AES128-SHA bits=128/128);\n\tSun, 02 Jul 2017 21:02:01 -0700 (PDT)", "by aurora.jms.id.au (sSMTP sendmail emulation);\n\tMon, 03 Jul 2017 13:31:54 +0930" ], "Authentication-Results": [ "ozlabs.org;\n\tdkim=fail reason=\"signature verification failed\" (2048-bit key;\n\tunprotected) header.d=gmail.com header.i=@gmail.com\n\theader.b=\"mUpcZH/0\"; 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c=relaxed/relaxed;\n\td=1e100.net; s=20161025;\n\th=x-gm-message-state:sender:from:to:cc:subject:date:message-id\n\t:mime-version:content-transfer-encoding;\n\tbh=cuHs9/ErTVcmBek7VxlxFau4tusiaCbsC9nLUjO/azY=;\n\tb=GNp5h1y3EaY1MccbGG66SLvqgBYEicvHNvRjF2fgth8szk3Ng+IUTw2XWEeZDD7dzc\n\tQJbvU9BEhrPBp+AjwMBuYKqkvI03QmvebT1PSHKZmXmZIShSk8Ir7Vnye8Lu2ZjgAbfM\n\tZEplii+pPP1nQgbAUl840queQ5X3PcdI2q4HEyUzk0DJsGHTmFXKefNoARMP8WnpnWP1\n\tIQzWD4cQ7PrBLcMW4RnFCjx9twvTBs4cOrL93UD7khS94H0mJguT+LnTx1ChYUG3T2SO\n\t5CpuBfrFToHCdm/h3jdzTXGz7egv5/Hcf4ORuZNJ66H/JPO8uzr5Ed2WoAhpYHB7g+aT\n\twMYA==", "X-Gm-Message-State": "AIVw111sC1qGRLy2NNHCGeL5tG5G/HdqDMHnhO/NppBrxtJFch9KQvzZ\n\t5VS4hQ/AWq7UOw==", "X-Received": "by 10.84.216.13 with SMTP id m13mr8373509pli.201.1499054522266; \n\tSun, 02 Jul 2017 21:02:02 -0700 (PDT)", "From": "Joel Stanley <joel@jms.id.au>", "To": "Michael Ellerman <mpe@ellerman.id.au>,\n\t\"Gautham R . Shenoy\" <ego@linux.vnet.ibm.com>", "Subject": "[PATCH] powerpc/powernv/idle: Put pnv_cpu_offline behind HOTPLUG_CPU", "Date": "Mon, 3 Jul 2017 13:31:52 +0930", "Message-Id": "<20170703040152.5144-1-joel@jms.id.au>", "X-Mailer": "git-send-email 2.13.2", "MIME-Version": "1.0", "Content-Type": "text/plain; charset=UTF-8", "Content-Transfer-Encoding": "8bit", "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": "linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org,\n\tstable@vger.kernel.org", "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": "In commit 900612315788 (\"powerpc/powernv/smp: Add busy-wait loop as fall back\nfor CPU-Hotplug\") the idle code uses generic_check_cpu_restart(), but that\nfunction is not available when CONFIG_HOTPLUG_CPU is disabled.\n\narch/powerpc/platforms/powernv/idle.c: In function ‘pnv_cpu_offline’:\narch/powerpc/platforms/powernv/idle.c:286:11: error: implicit declaration of\nfunction ‘generic_check_cpu_restart’ [-Werror=implicit-function-declaration]\n while (!generic_check_cpu_restart(cpu)) {\n ^~~~~~~~~~~~~~~~~~~~~~~~~\n\nThe callers of pnv_cpu_offline are behind CONFIG_HOTPLUG_CPU, so fix the build\nerror by putting this code behind the same gard.\n\nFixes: 900612315788 (\"powerpc/powernv/smp: Add busy-wait loop as fall back for CPU-Hotplug\").\nCc: <stable@vger.kernel.org> # 4.12\nSigned-off-by: Joel Stanley <joel@jms.id.au>\n---\n arch/powerpc/platforms/powernv/idle.c | 4 ++++\n 1 file changed, 4 insertions(+)", "diff": "diff --git a/arch/powerpc/platforms/powernv/idle.c b/arch/powerpc/platforms/powernv/idle.c\nindex 445f30a2c5ef..b15d108db216 100644\n--- a/arch/powerpc/platforms/powernv/idle.c\n+++ b/arch/powerpc/platforms/powernv/idle.c\n@@ -261,6 +261,8 @@ static u64 pnv_deepest_stop_psscr_val;\n static u64 pnv_deepest_stop_psscr_mask;\n static bool deepest_stop_found;\n \n+#ifdef CONFIG_HOTPLUG_CPU\n+\n /*\n * pnv_cpu_offline: A function that puts the CPU into the deepest\n * available platform idle state on a CPU-Offline.\n@@ -294,6 +296,8 @@ unsigned long pnv_cpu_offline(unsigned int cpu)\n \treturn srr1;\n }\n \n+#endif /* CONFIG_HOTPLUG_CPU */\n+\n /*\n * Power ISA 3.0 idle initialization.\n *\n", "prefixes": [] }