From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.19]) (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 59D05139D0A; Sat, 8 Nov 2025 14:26:57 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=192.198.163.19 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1762612019; cv=none; b=AYXVKRXrV+8lNuWG13jRtKWVSY/QaQtSmYQwFV7euqhWBjdySNU1gkx6x8yDoQGZJ6whbDKl5Q7mazfkOGz01iISVp+utYFaFs85i07ntQg0WTtR5qk+WVifeVfmg5GQNK8OyW0fzalwLOC/8BWIs32UC/KG6sOShuG2QyPo1ic= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1762612019; c=relaxed/simple; bh=0YxSL5+7NseLxnvsvTrq6Zwh0C/1b6cl2/khiOr+Z/c=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=ltunYUUazJfnh1usZMzjXW4PSjS4ORqVYmDvNbO60PeKR2xT9ZHzFxsZuR5E+xEzMrASghcMmmI1N25GDTVDEXb2DwD0qf0SFdBS0kFy9Jw96GA9P36Wd1AyOi/vDtQIYzI7jlPxfwVBcARd7aQVXGc9ndnXLGJUGdam2X6pUH0= 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=B0+TdeiG; arc=none smtp.client-ip=192.198.163.19 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="B0+TdeiG" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1762612017; x=1794148017; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=0YxSL5+7NseLxnvsvTrq6Zwh0C/1b6cl2/khiOr+Z/c=; b=B0+TdeiG3UJgumCZZdsmyWhVTgosPct77vaavOdVixPZbCnQurVwtegG HCElI1lpXkjcuJG1G7daRzONirpElxlj2UVU+louNkVFf6QopcoYnffm3 e1X4+AmZbJ3T/H3PZl3XVkUih14v8pGZnXI3ODf3rRj47E0Gpx652OpMV DGE7WChsYexfso5Cn4nTrMS6PEZI1e7affNiElwZ6y3hWuuMDeTe3eNCd KfkjfrtP9daUO5WvjaOmUJsFI68K/fbqNzm3uS4GSOzR3KvZSuNatM3c9 Ok9rBZSDr0oF92YgcWXxfNjxrmhzNQhpWhdj/jtiaFHtHBEjgbX5macCU w==; X-CSE-ConnectionGUID: fd+U5KN5RSiTn8VVwU34cw== X-CSE-MsgGUID: hRnruZjWSv+iHieukPYmUQ== X-IronPort-AV: E=McAfee;i="6800,10657,11606"; a="63746490" X-IronPort-AV: E=Sophos;i="6.19,289,1754982000"; d="scan'208";a="63746490" Received: from orviesa002.jf.intel.com ([10.64.159.142]) by fmvoesa113.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 08 Nov 2025 06:26:56 -0800 X-CSE-ConnectionGUID: BdO23U+BSjSAaM734T6Rjg== X-CSE-MsgGUID: W2BYNPonREWyRqsjpo77bw== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.19,289,1754982000"; d="scan'208";a="218941642" Received: from lkp-server01.sh.intel.com (HELO 6ef82f2de774) ([10.239.97.150]) by orviesa002.jf.intel.com with ESMTP; 08 Nov 2025 06:26:53 -0800 Received: from kbuild by 6ef82f2de774 with local (Exim 4.96) (envelope-from ) id 1vHjtx-0000wR-2V; Sat, 08 Nov 2025 14:26:49 +0000 Date: Sat, 8 Nov 2025 22:26:49 +0800 From: kernel test robot To: Praveen K Paladugu , kys@microsoft.com, haiyangz@microsoft.com, wei.liu@kernel.org, decui@microsoft.com, tglx@linutronix.de, mingo@redhat.com, linux-hyperv@vger.kernel.org, linux-kernel@vger.kernel.org, bp@alien8.de, dave.hansen@linux.intel.com, x86@kernel.org, hpa@zytor.com, arnd@arndb.de Cc: oe-kbuild-all@lists.linux.dev, anbelski@linux.microsoft.com, prapal@linux.microsoft.com, easwar.hariharan@linux.microsoft.com, nunodasneves@linux.microsoft.com, skinsburskii@linux.microsoft.com, mhklinux@outlook.com Subject: Re: [PATCH v4 3/3] hyperv: Cleanly shutdown root partition with MSHV Message-ID: <202511082249.JoKyyEEZ-lkp@intel.com> References: <20251107221700.45957-4-prapal@linux.microsoft.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: <20251107221700.45957-4-prapal@linux.microsoft.com> Hi Praveen, kernel test robot noticed the following build warnings: [auto build test WARNING on next-20251107] [cannot apply to tip/x86/core linus/master v6.18-rc4 v6.18-rc3 v6.18-rc2 v6.18-rc4] [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/Praveen-K-Paladugu/hyperv-Add-definitions-for-MSHV-sleep-state-configuration/20251108-061825 base: next-20251107 patch link: https://lore.kernel.org/r/20251107221700.45957-4-prapal%40linux.microsoft.com patch subject: [PATCH v4 3/3] hyperv: Cleanly shutdown root partition with MSHV config: x86_64-randconfig-122-20251108 (https://download.01.org/0day-ci/archive/20251108/202511082249.JoKyyEEZ-lkp@intel.com/config) compiler: clang version 20.1.8 (https://github.com/llvm/llvm-project 87f0227cb60147a26a1eeb4fb06e3b505e9c7261) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20251108/202511082249.JoKyyEEZ-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/202511082249.JoKyyEEZ-lkp@intel.com/ All warnings (new ones prefixed by >>): >> drivers/hv/mshv_common.c:227:6: warning: variable 'status' set but not used [-Wunused-but-set-variable] 227 | u64 status; | ^ 1 warning generated. vim +/status +227 drivers/hv/mshv_common.c 220 221 /* 222 * Power off the machine by entering S5 sleep state via Hyper-V hypercall. 223 * This call does not return if successful. 224 */ 225 void hv_machine_power_off(void) 226 { > 227 u64 status; 228 unsigned long flags; 229 struct hv_input_enter_sleep_state *in; 230 231 local_irq_save(flags); 232 in = *this_cpu_ptr(hyperv_pcpu_input_arg); 233 in->sleep_state = HV_SLEEP_STATE_S5; 234 235 status = hv_do_hypercall(HVCALL_ENTER_SLEEP_STATE, in, NULL); 236 local_irq_restore(flags); 237 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki