From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.16]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 804BD42A82 for ; Wed, 14 May 2025 11:22:16 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.175.65.16 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1747221739; cv=none; b=H/M2ByOxCXorkX65rE4XShy49Xj4+/aR3gdEgZdHguIORSZLQYR91xXFPBUeRCvNbmWkSwTTQD7HcTk05kkjzYSHdOix8BwpW+tdQMazDW6pXuICEPAdhECcLFfiKhtmrPIBdXpArIabjML5Nxrv0m6oZe7Tv5zhRc2erluXJp8= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1747221739; c=relaxed/simple; bh=qlpe0IPY3wjMnFpNMfeNQoIKUnTfc2+JqURSGvw8sB8=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=VnR9QnydQWGt8Y8DMmJE5wUHisRyNPmqRKRWaep3J5wsFwnQKNKnV2N1i7nz99X2ghHOWpjfhIjV6J4zessQzXiFU35aQUU4E46YH/j5pPf6VicRzwmrmooQRWJgyrohsRuiN3Ubhr9jgWYBQOt6htisz7bckipGaA1sQXW623o= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com; spf=pass smtp.mailfrom=intel.com; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b=Zwa7Tim/; arc=none smtp.client-ip=198.175.65.16 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=intel.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b="Zwa7Tim/" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1747221737; x=1778757737; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=qlpe0IPY3wjMnFpNMfeNQoIKUnTfc2+JqURSGvw8sB8=; b=Zwa7Tim/OPtK45i6qXpG/ZhjlmQdL/FiOq/Pn2LQ0OzcmOBb531sMGBB 2t8ccsJ7Vwn1jYl+ANf9STVfK4G7wb4ds3bFOp0/x2H71ivo0x3z5nqkz xnOpIt34iyNWC4dJQcyc1nQIi1LVEyuqFU9pbQ/Ob78hKvCM5+SvS/H7L wtSAFcQfvqZznH0K/W0NM6KMhJ5llUtf3xcG9iS56G3DC7wBX+svxKVay CvI2U/asLyy+vySo6asJj4xAa1dxCprApLBRV0+MaXO09JDPCTc8b2XJ4 /vF5A0U4A7LEUlI91AM2gu0p92TCkFRPm5G0S/fbn9WvkhuWvbZn01sQ2 A==; X-CSE-ConnectionGUID: jt3YKhTGRDuoM4n87f21SQ== X-CSE-MsgGUID: UnFYrQdwRo2n5u7CA58oAw== X-IronPort-AV: E=McAfee;i="6700,10204,11432"; a="49184119" X-IronPort-AV: E=Sophos;i="6.15,288,1739865600"; d="scan'208";a="49184119" Received: from fmviesa001.fm.intel.com ([10.60.135.141]) by orvoesa108.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 14 May 2025 04:22:16 -0700 X-CSE-ConnectionGUID: IgVtfQjpSEq8gnmnVC4Lyg== X-CSE-MsgGUID: rWjPjQkdToqPu6HkCz6Rzw== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.15,288,1739865600"; d="scan'208";a="169105793" Received: from lkp-server01.sh.intel.com (HELO 1992f890471c) ([10.239.97.150]) by fmviesa001.fm.intel.com with ESMTP; 14 May 2025 04:22:14 -0700 Received: from kbuild by 1992f890471c with local (Exim 4.96) (envelope-from ) id 1uFABf-000H2R-2e; Wed, 14 May 2025 11:22:11 +0000 Date: Wed, 14 May 2025 19:21:33 +0800 From: kernel test robot To: Prakash Sangappa , linux-kernel@vger.kernel.org Cc: oe-kbuild-all@lists.linux.dev, rostedt@goodmis.org, mathieu.desnoyers@efficios.com, tglx@linutronix.de, bigeasy@linutronix.de, kprateek.nayak@amd.com Subject: Re: [PATCH V4 3/6] Sched: Tunable to specify duration of time slice extension Message-ID: <202505142126.0irJYJgE-lkp@intel.com> References: <20250513214554.4160454-4-prakash.sangappa@oracle.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20250513214554.4160454-4-prakash.sangappa@oracle.com> Hi Prakash, kernel test robot noticed the following build warnings: [auto build test WARNING on tip/sched/core] [also build test WARNING on peterz-queue/sched/core linus/master v6.15-rc6] [cannot apply to tip/core/entry next-20250513] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch#_base_tree_information] url: https://github.com/intel-lab-lkp/linux/commits/Prakash-Sangappa/Sched-Scheduler-time-slice-extension/20250514-054844 base: tip/sched/core patch link: https://lore.kernel.org/r/20250513214554.4160454-4-prakash.sangappa%40oracle.com patch subject: [PATCH V4 3/6] Sched: Tunable to specify duration of time slice extension config: arm-randconfig-003-20250514 (https://download.01.org/0day-ci/archive/20250514/202505142126.0irJYJgE-lkp@intel.com/config) compiler: arm-linux-gnueabi-gcc (GCC) 7.5.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250514/202505142126.0irJYJgE-lkp@intel.com/reproduce) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot | Closes: https://lore.kernel.org/oe-kbuild-all/202505142126.0irJYJgE-lkp@intel.com/ All warnings (new ones prefixed by >>): >> kernel/sched/core.c:4682:12: warning: 'sysctl_sched_preempt_delay' defined but not used [-Wunused-function] static int sysctl_sched_preempt_delay(const struct ctl_table *table, int write, ^~~~~~~~~~~~~~~~~~~~~~~~~~ vim +/sysctl_sched_preempt_delay +4682 kernel/sched/core.c 4681 > 4682 static int sysctl_sched_preempt_delay(const struct ctl_table *table, int write, 4683 void *buffer, size_t *lenp, loff_t *ppos) 4684 { 4685 int err; 4686 4687 err = proc_dointvec_minmax(table, write, buffer, lenp, ppos); 4688 if (err < 0) 4689 return err; 4690 if (sysctl_sched_preempt_delay_us > SCHED_PREEMPT_DELAY_DEFAULT_US) 4691 pr_warn("Sched preemption delay time set higher then default value %d us\n", 4692 SCHED_PREEMPT_DELAY_DEFAULT_US); 4693 return err; 4694 } 4695 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki