From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.12]) (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 92F09292936; Fri, 23 Jan 2026 02:12:36 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.175.65.12 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1769134377; cv=none; b=mNKtbLBjf3vThb9q8yWjnZCN+Hjl1ir5sdYJSaiPY2v5fzMv7t/OjExf/cdX1jjkyuR9vMccxdjjsu/uOkN1/xvuUI0QKMvI5NBSAglQfWNY3hRi6Y/OBnwWMJqEHYFQraraMLeRpUfBSS6gZFDs0kDd++rhQQ1vTUUwY8lMl+M= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1769134377; c=relaxed/simple; bh=lzxjY+Dz1GcflUKh93fa+rrxb0XIDKDZw4CbJH82K88=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=E5JNxNu5UYZ8Em9fwqpndZvESY/5VpCvtUgww28Kh17XMtI+U0JmWzop2eC96/fEdDj4mkkrU4uH5OAPzMCujJlPJkgAnCim39p7pTZlQoQGaCZ5dMDyLrW0bx8y4wPmtjkspZI463OnGP6vLg/S5uMnU3hZDvEwlc3BGCPkdyo= 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=WsjExc/e; arc=none smtp.client-ip=198.175.65.12 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="WsjExc/e" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1769134359; x=1800670359; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=lzxjY+Dz1GcflUKh93fa+rrxb0XIDKDZw4CbJH82K88=; b=WsjExc/eih/W4wqGn1GBO6RwBGttaaLeeyKoPMYU/Unq7ArYsyNpxs7i QeuFEtD42w66SKF7/S33055S5YjZMDttCRv1If7KpjlzdFNjCFBJzGK/m uHUCMBOEJzw1ecFKjRrIIk81cL5xt1yElItIyCEFlVNgwIhgZnZjh5izk tOBdP2IPYO4H+eQhF71xf+0gDQnecT5q1EMMC2gzk69jIyEczbAmwog60 QEt3bTok8hoTs7e9ult3q/c2SHoiuellq0ugYgRM3/CatKJGSzNR37zv4 lfBMmQYHJOdQzAVa0ZI1ph7ucT+vT/3AxjAt68ReyxIjDwwnbIcKSHF7f g==; X-CSE-ConnectionGUID: KQVqhwjlTTy7FhcGGjurPA== X-CSE-MsgGUID: i3J4qjVoRiSN2Yg2EM2Xzw== X-IronPort-AV: E=McAfee;i="6800,10657,11679"; a="81827741" X-IronPort-AV: E=Sophos;i="6.21,247,1763452800"; d="scan'208";a="81827741" Received: from fmviesa003.fm.intel.com ([10.60.135.143]) by orvoesa104.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 22 Jan 2026 18:12:32 -0800 X-CSE-ConnectionGUID: pzxDbVSsTvK98R6RE4BGQw== X-CSE-MsgGUID: M7Lk9k4gQqCvy/DYacrBaA== X-ExtLoop1: 1 Received: from lkp-server01.sh.intel.com (HELO 765f4a05e27f) ([10.239.97.150]) by fmviesa003.fm.intel.com with ESMTP; 22 Jan 2026 18:12:29 -0800 Received: from kbuild by 765f4a05e27f with local (Exim 4.98.2) (envelope-from ) id 1vj6ew-00000000TQq-2OhB; Fri, 23 Jan 2026 02:12:26 +0000 Date: Fri, 23 Jan 2026 10:11:33 +0800 From: kernel test robot To: Pnina Feder , akpm@linux-foundation.org Cc: llvm@lists.linux.dev, oe-kbuild-all@lists.linux.dev, pmladek@suse.com, bhe@redhat.com, linux-kernel@vger.kernel.org, lkp@intel.com, mgorman@suse.de, mingo@redhat.com, pnina.feder@mobileye.com, rostedt@goodmis.org, senozhatsky@chromium.org, tglx@linutronix.de, vkondra@mobileye.com Subject: Re: [PATCH v8] panic: add panic_force_cpu= parameter to redirect panic to a specific CPU Message-ID: <202601231058.Q6hDGfoT-lkp@intel.com> References: <20260122102457.1154599-1-pnina.feder@mobileye.com> Precedence: bulk X-Mailing-List: llvm@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20260122102457.1154599-1-pnina.feder@mobileye.com> Hi Pnina, kernel test robot noticed the following build warnings: [auto build test WARNING on akpm-mm/mm-everything] [also build test WARNING on linus/master v6.19-rc6 next-20260122] [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/Pnina-Feder/panic-add-panic_force_cpu-parameter-to-redirect-panic-to-a-specific-CPU/20260122-182657 base: https://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git mm-everything patch link: https://lore.kernel.org/r/20260122102457.1154599-1-pnina.feder%40mobileye.com patch subject: [PATCH v8] panic: add panic_force_cpu= parameter to redirect panic to a specific CPU config: s390-allnoconfig (https://download.01.org/0day-ci/archive/20260123/202601231058.Q6hDGfoT-lkp@intel.com/config) compiler: clang version 22.0.0git (https://github.com/llvm/llvm-project 9b8addffa70cee5b2acc5454712d9cf78ce45710) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260123/202601231058.Q6hDGfoT-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/202601231058.Q6hDGfoT-lkp@intel.com/ All warnings (new ones prefixed by >>): >> kernel/panic.c:79:14: warning: unused variable 'panic_force_buf' [-Wunused-variable] 79 | static char *panic_force_buf; | ^~~~~~~~~~~~~~~ 1 warning generated. vim +/panic_force_buf +79 kernel/panic.c 77 78 static int panic_force_cpu = -1; > 79 static char *panic_force_buf; 80 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki