From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.7]) (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 51D94239E9D for ; Fri, 25 Jul 2025 15:52:43 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=192.198.163.7 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1753458764; cv=none; b=WqTL8nBKyTqGCETvGX9HsNVUbtLdkPlzitwBUBiOrJidhPy2MGVcyDCoJBvIbXVrpAF6za9q/zhcX6R9YbcRL3VON46cM9Ei3ToG8Obx1luThQsiVT9iyF31MeUJ61uLUROIAbwGz+GMw90HcgNo4Ai8eZHfZ516nEk+6oHLKyc= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1753458764; c=relaxed/simple; bh=+RYDrNRJQhICCBGGY5xRS0kRj9tUcIqZkGO8CwL+DV0=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=NTaAPoqSRRf91tB+dA4uX1orED6fmCq25rFMoYm7zrXHbBUnMuOAVovN6YAUE0CRMlPg/q6YbDvos4aVMs0I7Sl5kES9NtlFnSQwwvbpfIgdEOmGqSck0/XXyVdeeYFqh/Ma7ulXC9cDd9WE7DV/O/JD+QdLBhLA77oluaJP9OU= 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=nXRYf+uR; arc=none smtp.client-ip=192.198.163.7 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="nXRYf+uR" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1753458763; x=1784994763; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=+RYDrNRJQhICCBGGY5xRS0kRj9tUcIqZkGO8CwL+DV0=; b=nXRYf+uRpTbcGSEr4ChEF3v7iFl09CUQukvyDR3u4CiQ6wR3Py+2+9dq YO0MPM/dYInFE4FoiWQg4VjvqPoI0oRaYsN8GiDcHjOAfAlGsAuOUzoyB Zii1JZvZe+CtEz6YpY2XhF9bUurkgqdicTpIOCRPATN3Irmnu/NGfbPlu uJneJK48B0Fn/DdqLp+h8/R+DUNB7bSE2/DUlP034qcZlcqU+5xUc8dmS p0e9lwQ0XfMyK9HuG2MqM1S6RAf6s4/4s3ZqcOt10vBp85Tyfv5lvg2iE KJwOzknVNMpKCOSpRYU7LrTMCNy+yVgrf0122cm/jjuA6X8dTe1TK54BZ g==; X-CSE-ConnectionGUID: KwmHUH1+SvqnzMQhpfvYIA== X-CSE-MsgGUID: uAgY1kqPSL+0PTlUYdcMAg== X-IronPort-AV: E=McAfee;i="6800,10657,11503"; a="81235362" X-IronPort-AV: E=Sophos;i="6.16,339,1744095600"; d="scan'208";a="81235362" Received: from orviesa005.jf.intel.com ([10.64.159.145]) by fmvoesa101.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 25 Jul 2025 08:52:42 -0700 X-CSE-ConnectionGUID: uwiA7YkkQVCKfCgGGur02A== X-CSE-MsgGUID: 7G9mFMbeT4qj63Njqj2yHA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.16,339,1744095600"; d="scan'208";a="166466297" Received: from lkp-server01.sh.intel.com (HELO 9ee84586c615) ([10.239.97.150]) by orviesa005.jf.intel.com with ESMTP; 25 Jul 2025 08:52:40 -0700 Received: from kbuild by 9ee84586c615 with local (Exim 4.96) (envelope-from ) id 1ufKir-000LOZ-2U; Fri, 25 Jul 2025 15:52:37 +0000 Date: Fri, 25 Jul 2025 23:52:35 +0800 From: kernel test robot To: Prakash Sangappa , linux-kernel@vger.kernel.org Cc: oe-kbuild-all@lists.linux.dev, peterz@infradead.org, rostedt@goodmis.org, mathieu.desnoyers@efficios.com, tglx@linutronix.de, bigeasy@linutronix.de, kprateek.nayak@amd.com, vineethr@linux.ibm.com, prakash.sangappa@oracle.com Subject: Re: [PATCH V7 11/11] sched: Add kernel parameter to enable delaying RT threads Message-ID: <202507252357.llkbFyOC-lkp@intel.com> References: <20250724161625.2360309-12-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: <20250724161625.2360309-12-prakash.sangappa@oracle.com> Hi Prakash, kernel test robot noticed the following build errors: [auto build test ERROR on tip/x86/core] [also build test ERROR on linus/master v6.16-rc7] [cannot apply to tip/sched/core tip/core/entry next-20250725] [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/20250725-002052 base: tip/x86/core patch link: https://lore.kernel.org/r/20250724161625.2360309-12-prakash.sangappa%40oracle.com patch subject: [PATCH V7 11/11] sched: Add kernel parameter to enable delaying RT threads config: riscv-randconfig-001-20250725 (https://download.01.org/0day-ci/archive/20250725/202507252357.llkbFyOC-lkp@intel.com/config) compiler: riscv64-linux-gcc (GCC) 10.5.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250725/202507252357.llkbFyOC-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/202507252357.llkbFyOC-lkp@intel.com/ All errors (new ones prefixed by >>): kernel/entry/common.c: In function 'rseq_delay_resched': >> kernel/entry/common.c:96:11: error: 'sysctl_sched_delay_rt' undeclared (first use in this function) 96 | tiflag = sysctl_sched_delay_rt ? _TIF_NEED_RESCHED|_TIF_NEED_RESCHED_LAZY : | ^~~~~~~~~~~~~~~~~~~~~ kernel/entry/common.c:96:11: note: each undeclared identifier is reported only once for each function it appears in vim +/sysctl_sched_delay_rt +96 kernel/entry/common.c 85 86 static inline bool rseq_delay_resched(unsigned long ti_work) 87 { 88 unsigned long tiflag; 89 90 if (!IS_ENABLED(CONFIG_RSEQ_RESCHED_DELAY)) 91 return false; 92 93 if (unlikely(current->rseq_delay_resched != RSEQ_RESCHED_DELAY_PROBE)) 94 return false; 95 > 96 tiflag = sysctl_sched_delay_rt ? _TIF_NEED_RESCHED|_TIF_NEED_RESCHED_LAZY : 97 _TIF_NEED_RESCHED_LAZY; 98 99 if (!(ti_work & tiflag)) 100 return false; 101 102 if (__rseq_delay_resched()) { 103 clear_tsk_need_resched(current); 104 trace_sched_delay_resched(current, ti_work); 105 return true; 106 } 107 return false; 108 } 109 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki