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GET /api/patches/2217539/?format=api
{ "id": 2217539, "url": "http://patchwork.ozlabs.org/api/patches/2217539/?format=api", "web_url": "http://patchwork.ozlabs.org/project/linuxppc-dev/patch/20260330062201.2581-1-venkat88@linux.ibm.com/", "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": "<20260330062201.2581-1-venkat88@linux.ibm.com>", "list_archive_url": "https://lore.kernel.org/linuxppc-dev/20260330062201.2581-1-venkat88@linux.ibm.com/", "date": "2026-03-30T06:22:01", "name": "[v3] char: nvram: Remove unused nvram_mutex to fix -Wunused-variable warning", "commit_ref": null, "pull_url": null, "state": "handled-elsewhere", "archived": false, "hash": "3ab33075a60824771c8366dd7a38bb13a53f6db8", "submitter": { "id": 89673, "url": "http://patchwork.ozlabs.org/api/people/89673/?format=api", "name": "Venkat Rao Bagalkote", "email": "venkat88@linux.ibm.com" }, "delegate": null, "mbox": "http://patchwork.ozlabs.org/project/linuxppc-dev/patch/20260330062201.2581-1-venkat88@linux.ibm.com/mbox/", "series": [ { "id": 497958, "url": "http://patchwork.ozlabs.org/api/series/497958/?format=api", "web_url": "http://patchwork.ozlabs.org/project/linuxppc-dev/list/?series=497958", "date": "2026-03-30T06:22:01", "name": "[v3] char: nvram: Remove unused nvram_mutex to fix -Wunused-variable warning", "version": 3, "mbox": "http://patchwork.ozlabs.org/series/497958/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/2217539/comments/", "check": "fail", "checks": "http://patchwork.ozlabs.org/api/patches/2217539/checks/", "tags": {}, "related": [], "headers": { "Return-Path": "\n <linuxppc-dev+bounces-18992-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=Tf9hSzZM;\n\tdkim-atps=neutral", "legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=lists.ozlabs.org\n (client-ip=112.213.38.117; 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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=Tf9hSzZM; dkim-atps=neutral;\n spf=pass (client-ip=148.163.158.5; helo=mx0b-001b2d01.pphosted.com;\n envelope-from=venkat88@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:message-id:mime-version\n\t:subject:to; s=pp1; bh=AysGbeP2sl0w5KLqpo1+5bdxDIFqyUGWAcoJQ4pVI\n\tew=; b=Tf9hSzZMSLNo/WTQQQSqTbgjGY64tPoDDJv2Tz+8V+wtBaYXw3BIZmaid\n\tmMQi2Yi4NDX2ic7bO9NXhdJ9Fu7haYThE5RqcVrg5HW7zLOQq/6QTjVSNHgk9W8B\n\t15Kf0yxXYirrqjZdmyEj0y7O8+rOjPoQ118ZOCN7V5hpoqk6V++Cq/OOw14cUPYE\n\tV0oIWnTDEECoF5jEUWgKsGQGy/a/hoWcWD3b5+rucMJxzpoIOhKiO60Jb4ra5vmp\n\t1ATzLAUcExyXy8PqPu1PBuHJxXHEuoW0z93iMa/Air2VWSJdkqgI2U9OpOSoFtN3\n\tdX313zQUJUsaesbh+5TYTI+jAUHDA==", "From": "Venkat Rao Bagalkote <venkat88@linux.ibm.com>", "To": "linux-kernel@vger.kernel.org", "Cc": "linux-kbuild@vger.kernel.org, linuxppc-dev@lists.ozlabs.org,\n maddy@linux.ibm.com, ritesh.list@gmail.com, arnd@arndb.de,\n chleroy@kernel.org, Venkat Rao Bagalkote <venkat88@linux.ibm.com>", "Subject": "[PATCH v3] char: nvram: Remove unused nvram_mutex to fix\n -Wunused-variable warning", "Date": "Mon, 30 Mar 2026 11:52:01 +0530", "Message-ID": "<20260330062201.2581-1-venkat88@linux.ibm.com>", "X-Mailer": "git-send-email 2.45.2", "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": "AW1haW4tMjYwMzMwMDA0NyBTYWx0ZWRfXz03hlpfJFT+Q\n +rtWUBtKOGIsIXnRC8DQJAO3aYwinSuHxDZKObux4gZHz2JI/c/vFJ2L5Th8k7D9XCZaV0okkkq\n cJucyMs0bP0n017r/E8a4q4hZr0hZlymqxm4k0Sps7l/P6xTKqggc0ubkzHLOcr05sJcY6+VCEG\n mDFOpkyI5YsJFzIRmuakblooyrls95SBjEtRs79VhvFIa3wtaRjP7Zk5HUoOyZVAiWYf2ZJsHtI\n mPwyYtPs2Qqo08EYGQenveIGknVs2c/eqaIzDW4N6Nwqb68OxHQl4k4F2IXbrrGIowRjc9ooCZf\n 8mPoC6xa2K9eef7WBUiq/SSqCbQiydwRUNPICsvSx/XUZ+BEdFb+r/klonufnEu9WjDvT8flPlM\n h1tReDm7/F9e5BHhJljtbusfQyo4QYyXJHgXYeyHTi9550MpOv4sipA2JHuPTSNdiX1Cw6EJDzh\n GUBYLXhLXIg+Ku43YoA==", "X-Authority-Analysis": "v=2.4 cv=QKZlhwLL c=1 sm=1 tr=0 ts=69ca169d cx=c_pps\n a=5BHTudwdYE3Te8bg5FgnPg==:117 a=5BHTudwdYE3Te8bg5FgnPg==:17\n a=Yq5XynenixoA:10 a=VkNPw1HP01LnGYTKEx00:22 a=RnoormkPH1_aCDwRdu11:22\n a=Y2IxJ9c9Rs8Kov3niI8_:22 a=pGLkceISAAAA:8 a=VnNF1IyMAAAA:8\n a=1sboiQz5TgUy5XRvxJ4A:9 a=zZCYzV9kfG8A:10", "X-Proofpoint-GUID": "9LAJ6FKGBqwJequDGSOWCXIM5UGnFKiJ", "X-Proofpoint-ORIG-GUID": "58y5gv5o_vxrupyRU_j4CNgRxrQmzl4z", "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=2026-03-29_05,2026-03-28_01,2025-10-01_01", "X-Proofpoint-Spam-Details": "rule=outbound_notspam policy=outbound score=0\n lowpriorityscore=0 phishscore=0 adultscore=0 impostorscore=0 clxscore=1015\n spamscore=0 bulkscore=0 priorityscore=1501 suspectscore=0 malwarescore=0\n classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0\n reason=mlx scancount=1 engine=8.22.0-2603050001 definitions=main-2603300047", "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": "drivers/char/nvram.c defines a static mutex 'nvram_mutex' which is never\nused. This results in a compiler warning on linux-next builds:\n\n warning: 'nvram_mutex' defined but not used [-Wunused-variable]\n\nRemove the unused definition to avoid the warning.\n\nSuggested-by: Arnd Bergmann <arnd@arndb.de>\nSuggested-by: Ritesh Harjani (IBM) <ritesh.list@gmail.com>\nSigned-off-by: Venkat Rao Bagalkote <venkat88@linux.ibm.com>\n---\nv3:\n - Removed global nvram_mutex entirely\n\n drivers/char/nvram.c | 1 -\n 1 file changed, 1 deletion(-)", "diff": "diff --git a/drivers/char/nvram.c b/drivers/char/nvram.c\nindex 9eff426a9286..9ab2744cd375 100644\n--- a/drivers/char/nvram.c\n+++ b/drivers/char/nvram.c\n@@ -53,7 +53,6 @@\n #include <asm/nvram.h>\n #endif\n \n-static DEFINE_MUTEX(nvram_mutex);\n static DEFINE_SPINLOCK(nvram_state_lock);\n static int nvram_open_cnt;\t/* #times opened */\n static int nvram_open_mode;\t/* special open modes */\n", "prefixes": [ "v3" ] }