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GET /api/1.2/patches/2228573/?format=api
{ "id": 2228573, "url": "http://patchwork.ozlabs.org/api/1.2/patches/2228573/?format=api", "web_url": "http://patchwork.ozlabs.org/project/linuxppc-dev/patch/20260427044715.559137-3-sshegde@linux.ibm.com/", "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": "<20260427044715.559137-3-sshegde@linux.ibm.com>", "list_archive_url": "https://lore.kernel.org/linuxppc-dev/20260427044715.559137-3-sshegde@linux.ibm.com/", "date": "2026-04-27T04:47:13", "name": "[v2,2/4] powerpc: Simplify cpumask api usage for cpuinfo display", "commit_ref": null, "pull_url": null, "state": "new", "archived": false, "hash": "5aa4a0dd4553d543581a41a6fda04f06729377ac", "submitter": { "id": 87866, "url": "http://patchwork.ozlabs.org/api/1.2/people/87866/?format=api", "name": "Shrikanth Hegde", "email": "sshegde@linux.ibm.com" }, "delegate": null, "mbox": "http://patchwork.ozlabs.org/project/linuxppc-dev/patch/20260427044715.559137-3-sshegde@linux.ibm.com/mbox/", "series": [ { "id": 501570, "url": "http://patchwork.ozlabs.org/api/1.2/series/501570/?format=api", "web_url": "http://patchwork.ozlabs.org/project/linuxppc-dev/list/?series=501570", "date": "2026-04-27T04:47:11", "name": "powerpc: A few misc cpumask changes", "version": 2, "mbox": "http://patchwork.ozlabs.org/series/501570/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/2228573/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/2228573/checks/", "tags": {}, "related": [], "headers": { "Return-Path": "\n <linuxppc-dev+bounces-20142-incoming=patchwork.ozlabs.org@lists.ozlabs.org>", "X-Original-To": [ "incoming@patchwork.ozlabs.org", "linuxppc-dev@lists.ozlabs.org" ], "Delivered-To": "patchwork-incoming@legolas.ozlabs.org", "Authentication-Results": [ "legolas.ozlabs.org;\n\tdkim=pass (2048-bit key;\n unprotected) header.d=ibm.com header.i=@ibm.com header.a=rsa-sha256\n header.s=pp1 header.b=j9vDzH0F;\n\tdkim-atps=neutral", "legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=lists.ozlabs.org\n (client-ip=2404:9400:21b9:f100::1; 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lists.ozlabs.org;\n dmarc=pass (p=none dis=none) header.from=linux.ibm.com;\n dkim=pass (2048-bit key;\n unprotected) header.d=ibm.com header.i=@ibm.com header.a=rsa-sha256\n header.s=pp1 header.b=j9vDzH0F; dkim-atps=neutral;\n spf=pass (client-ip=148.163.158.5; helo=mx0b-001b2d01.pphosted.com;\n envelope-from=sshegde@linux.ibm.com;\n receiver=lists.ozlabs.org) smtp.mailfrom=linux.ibm.com", "DKIM-Signature": "v=1; a=rsa-sha256; c=relaxed/relaxed; d=ibm.com; h=cc\n\t:content-transfer-encoding:date:from:in-reply-to:message-id\n\t:mime-version:references:subject:to; s=pp1; bh=dGiRNOyVUmIWVk4F1\n\tdtCEHUVSdZD9zV14kqCI+HQ5tE=; b=j9vDzH0Fda/eFHVX4iYVNv2yKFbuCOz/2\n\tna3A1WqLU9gPP/XRiwijt3U2ijUEU+mxLD/DRSWlpdaUpwuyBR02Re92Q3+56gyd\n\ttLFr0g9Ej5yOEC0QyXleQ1k6+nA3iJyKxJkSZMpoUAvie5oYAOEYmhR6YIylIsxi\n\tLWG1cICU0nYEb9UrghpCf2O2F5wetzPOfD79HmBa8sHyqc63CLN6dWgjbyAD4dK+\n\tAqZKFaZDtSYcAWcpY7HP9Lr/p48iqgbn/S7AGEHzA/TN8ImMnScgfwNs+HZxDfzZ\n\t51P20+GgxiBVkhkHkcsC/ywn6TWd86JZEtsNFtlx4ZQCNqNY4R17Q==", "From": "Shrikanth Hegde <sshegde@linux.ibm.com>", "To": "maddy@linux.ibm.com, linuxppc-dev@lists.ozlabs.org, yury.norov@gmail.com,\n linux@rasmusvillemoes.dk, linux-kernel@vger.kernel.org", "Cc": "sshegde@linux.ibm.com, chleroy@kernel.org, Yury Norov <ynorov@nvidia.com>", "Subject": "[PATCH v2 2/4] powerpc: Simplify cpumask api usage for cpuinfo\n display", "Date": "Mon, 27 Apr 2026 10:17:13 +0530", "Message-ID": "<20260427044715.559137-3-sshegde@linux.ibm.com>", "X-Mailer": "git-send-email 2.51.0", "In-Reply-To": "<20260427044715.559137-1-sshegde@linux.ibm.com>", "References": "<20260427044715.559137-1-sshegde@linux.ibm.com>", "X-Mailing-List": "linuxppc-dev@lists.ozlabs.org", "List-Id": "<linuxppc-dev.lists.ozlabs.org>", "List-Help": "<mailto:linuxppc-dev+help@lists.ozlabs.org>", "List-Owner": "<mailto:linuxppc-dev+owner@lists.ozlabs.org>", "List-Post": "<mailto:linuxppc-dev@lists.ozlabs.org>", "List-Archive": "<https://lore.kernel.org/linuxppc-dev/>,\n <https://lists.ozlabs.org/pipermail/linuxppc-dev/>", "List-Subscribe": "<mailto:linuxppc-dev+subscribe@lists.ozlabs.org>,\n <mailto:linuxppc-dev+subscribe-digest@lists.ozlabs.org>,\n <mailto:linuxppc-dev+subscribe-nomail@lists.ozlabs.org>", "List-Unsubscribe": "<mailto:linuxppc-dev+unsubscribe@lists.ozlabs.org>", "Precedence": "list", "MIME-Version": "1.0", "Content-Transfer-Encoding": "8bit", "X-TM-AS-GCONF": "00", "X-Proofpoint-Reinject": "loops=2 maxloops=12", "X-Proofpoint-Spam-Details-Enc": "AW1haW4tMjYwNDI3MDA0OCBTYWx0ZWRfX0OaDGhOeNei1\n iLIY4ThYGYegtUXewLql1PHQi4upCvjm4o2pWMUqY368MLpBTd3ejfZwFlK0NGEUlBS5vcanyN5\n 2A4iAUR+HC3OMoMfjEFN8YKCxee4o2jOL5+1+YlXhNLAiqsIWhEha/9QaTc8gyQNicIkp5wC5Kh\n L5afj2yF8TuEf29kDIPlIkQq9J6WQnHjmwM92HJcDw8VtZ2eGd18mxiL0/AvjV4yn6fwXE916uc\n 4gviuaRALt6Q2gFnQNipX7r6m3Xh+sWDvYGtzIFK37K9TRSymRUByndcODAIzvXnml4vqBbpNVS\n VvQ6BTKETBixMcaC0Sk/ABc1sDeF7LtSm4oktkoscg1a4b6IyE77IwRaMPDCIADyIMrgsjF9fUu\n t7q7ef3u6pKm1v6y2w6fZCLpDOSS0Gmpcxs73WDWo1pz9iwzWkoFggvPFX4LimEnI6IcfINa1ub\n ORVGT10s7Bjveqd+F0g==", "X-Proofpoint-GUID": "Upc1uyxRodZwEuuCzkjlZBPKai3cfcaD", "X-Proofpoint-ORIG-GUID": "07IOpZuYhTq1HjwiYw6gPJX601WCmKBm", "X-Authority-Analysis": "v=2.4 cv=MohiLWae c=1 sm=1 tr=0 ts=69eeea6d cx=c_pps\n a=GFwsV6G8L6GxiO2Y/PsHdQ==:117 a=GFwsV6G8L6GxiO2Y/PsHdQ==:17\n a=A5OVakUREuEA:10 a=VkNPw1HP01LnGYTKEx00:22 a=RnoormkPH1_aCDwRdu11:22\n a=Y2IxJ9c9Rs8Kov3niI8_:22 a=Ikd4Dj_1AAAA:8 a=VnNF1IyMAAAA:8\n a=1TO9j2vGO00jYUTp9YQA:9", "X-Proofpoint-Virus-Version": "vendor=baseguard\n engine=ICAP:2.0.293,Aquarius:18.0.1143,Hydra:6.1.51,FMLib:17.12.100.49\n definitions=2026-04-27_01,2026-04-21_02,2025-10-01_01", "X-Proofpoint-Spam-Details": "rule=outbound_notspam policy=outbound score=0\n phishscore=0 adultscore=0 suspectscore=0 bulkscore=0 spamscore=0\n priorityscore=1501 malwarescore=0 clxscore=1011 lowpriorityscore=0\n impostorscore=0 classifier=typeunknown authscore=0 authtc= authcc=\n route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2604200000\n definitions=main-2604270048", "X-Spam-Status": "No, score=-0.7 required=3.0 tests=DKIM_SIGNED,DKIM_VALID,\n\tRCVD_IN_DNSWL_LOW,RCVD_IN_MSPIKE_H4,RCVD_IN_MSPIKE_WL,SPF_HELO_NONE,\n\tSPF_PASS autolearn=disabled version=4.0.1 OzLabs 8", "X-Spam-Checker-Version": "SpamAssassin 4.0.1 (2024-03-25) on lists.ozlabs.org" }, "content": "- cpumask_next can take -1 as valid argument. So simplify cpuinfo\n iterator.\n\n- Use cpumask_last to find if this_cpu is last online CPU.\n\n/proc/cpuinfo shows same info with patch.\n\nReviewed-by: Yury Norov <ynorov@nvidia.com>\nSigned-off-by: Shrikanth Hegde <sshegde@linux.ibm.com>\n---\n arch/powerpc/kernel/setup-common.c | 7 ++-----\n 1 file changed, 2 insertions(+), 5 deletions(-)", "diff": "diff --git a/arch/powerpc/kernel/setup-common.c b/arch/powerpc/kernel/setup-common.c\nindex 8a86b0efcb1c..aecabe9cf139 100644\n--- a/arch/powerpc/kernel/setup-common.c\n+++ b/arch/powerpc/kernel/setup-common.c\n@@ -323,7 +323,7 @@ static int show_cpuinfo(struct seq_file *m, void *v)\n \tseq_putc(m, '\\n');\n \n \t/* If this is the last cpu, print the summary */\n-\tif (cpumask_next(cpu_id, cpu_online_mask) >= nr_cpu_ids)\n+\tif (cpu_id == cpumask_last(cpu_online_mask))\n \t\tshow_cpuinfo_summary(m);\n \n \treturn 0;\n@@ -331,10 +331,7 @@ static int show_cpuinfo(struct seq_file *m, void *v)\n \n static void *c_start(struct seq_file *m, loff_t *pos)\n {\n-\tif (*pos == 0)\t/* just in case, cpu 0 is not the first */\n-\t\t*pos = cpumask_first(cpu_online_mask);\n-\telse\n-\t\t*pos = cpumask_next(*pos - 1, cpu_online_mask);\n+\t*pos = cpumask_next(*pos - 1, cpu_online_mask);\n \tif ((*pos) < nr_cpu_ids)\n \t\treturn (void *)(unsigned long)(*pos + 1);\n \treturn NULL;\n", "prefixes": [ "v2", "2/4" ] }