From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.13]) (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 A28A9224B00 for ; Fri, 10 Jan 2025 18:42:26 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.175.65.13 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1736534550; cv=none; b=XJbGuCM5n0Lh8Gayk6KMM7fnWqzGkkuSsqRGADtAeuDravPrFG6a6mTeZo9TfWgAaFXZK1mJGMfcpTGTATeqz7lwx8yOo7p+FpuD20H2ik9BrXjw7tGEUd+3O/AFofVFWQ26xOQdFswmv/9HpqF2Tx0HZFMw2YoAHSfXko+2H7E= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1736534550; c=relaxed/simple; bh=OZ2hgL6luDARNrK9TtsQGQyszBwhtMoFhp8gsYXjblo=; h=Date:From:To:Cc:Subject:Message-ID:MIME-Version:Content-Type: Content-Disposition; b=MFduOsdyrKIZj/REwWRowzWAbWbS7uR1ExfT0VdWaWEwQ9qwcd/d4IvXdIP6KFQMBDU0m2Yld+IGsso0zsmZrVD8xcctebvvVRozQAHvErHTpSQjyPd6XMtsm1VRva/jn3h+cORk9IGH05NJJSPriPPNOQQrK+9G6V4BUYd6WM0= 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=XlMSTpAF; arc=none smtp.client-ip=198.175.65.13 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="XlMSTpAF" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1736534547; x=1768070547; h=date:from:to:cc:subject:message-id:mime-version; bh=OZ2hgL6luDARNrK9TtsQGQyszBwhtMoFhp8gsYXjblo=; b=XlMSTpAFLpQYQ9EQ8GWfFB7aLLvbWQUkBoBLG8hReVZxPuKsKbVasmIl 8FQQ44pyCj+MVTCwFbwqOMTOFJRU1lvnIAkciSSgnw6TC/NdmMSz07a1P 8o3Nw9f7TG5osB0XH6QJ8WEIb9bJ3cYf3cfzLe5pXF9z2evC6tr/cQ+8R SQjhpjOSOaYaKPF3qkuUuhzKZrNjiiQ6fOAD5nAbq/2lvtz4Wug+CoIQu HaXtaJv3aHaHOhv0yU0UkSQGVy4zMip/NJQTv588uk0pY7J4WrIpwHwQ3 ppPVWPvb69upfMTiQEHWNaASCinsItBbyBPBWdeDGVpFrY5132ptV5Mkl A==; X-CSE-ConnectionGUID: cOMmhOG1SOC8bmDq6z/WWg== X-CSE-MsgGUID: eCXJhbhySdmoa2taRg05vg== X-IronPort-AV: E=McAfee;i="6700,10204,11311"; a="47830221" X-IronPort-AV: E=Sophos;i="6.12,305,1728975600"; d="scan'208";a="47830221" Received: from fmviesa009.fm.intel.com ([10.60.135.149]) by orvoesa105.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 10 Jan 2025 10:42:26 -0800 X-CSE-ConnectionGUID: DE1BmzIWRJiihBsYJBr3dg== X-CSE-MsgGUID: qHTcrANiTqybg+WBXcLK8Q== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.12,305,1728975600"; d="scan'208";a="104364335" Received: from lkp-server01.sh.intel.com (HELO d63d4d77d921) ([10.239.97.150]) by fmviesa009.fm.intel.com with ESMTP; 10 Jan 2025 10:42:24 -0800 Received: from kbuild by d63d4d77d921 with local (Exim 4.96) (envelope-from ) id 1tWJxe-000JdX-2Y; Fri, 10 Jan 2025 18:42:22 +0000 Date: Sat, 11 Jan 2025 02:42:11 +0800 From: kernel test robot To: oe-kbuild@lists.linux.dev Cc: lkp@intel.com, Dan Carpenter Subject: Re: [PATCH v1 04/13] KVM: s390: move pv gmap functions into kvm Message-ID: <202501110214.sqdsgfNV-lkp@intel.com> Precedence: bulk X-Mailing-List: oe-kbuild@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline BCC: lkp@intel.com CC: oe-kbuild-all@lists.linux.dev In-Reply-To: <20250108181451.74383-5-imbrenda@linux.ibm.com> References: <20250108181451.74383-5-imbrenda@linux.ibm.com> TO: Claudio Imbrenda TO: kvm@vger.kernel.org CC: linux-s390@vger.kernel.org CC: frankja@linux.ibm.com CC: borntraeger@de.ibm.com CC: schlameuss@linux.ibm.com CC: david@redhat.com CC: willy@infradead.org CC: hca@linux.ibm.com CC: svens@linux.ibm.com CC: agordeev@linux.ibm.com CC: gor@linux.ibm.com CC: nrb@linux.ibm.com CC: nsg@linux.ibm.com Hi Claudio, kernel test robot noticed the following build warnings: [auto build test WARNING on s390/features] [also build test WARNING on kvm/queue kvm/next mst-vhost/linux-next linus/master v6.13-rc6 next-20250110] [cannot apply to kvms390/next kvm/linux-next] [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/Claudio-Imbrenda/KVM-s390-wrapper-for-KVM_BUG/20250109-021808 base: https://git.kernel.org/pub/scm/linux/kernel/git/s390/linux.git features patch link: https://lore.kernel.org/r/20250108181451.74383-5-imbrenda%40linux.ibm.com patch subject: [PATCH v1 04/13] KVM: s390: move pv gmap functions into kvm :::::: branch date: 2 days ago :::::: commit date: 2 days ago config: s390-randconfig-r071-20250110 (https://download.01.org/0day-ci/archive/20250111/202501110214.sqdsgfNV-lkp@intel.com/config) compiler: clang version 16.0.6 (https://github.com/llvm/llvm-project 7cbf1a2591520c2491aa35339f227775f4d3adf6) 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 | Reported-by: Dan Carpenter | Closes: https://lore.kernel.org/r/202501110214.sqdsgfNV-lkp@intel.com/ smatch warnings: arch/s390/kernel/uv.c:302 uv_wiggle_folio() warn: missing error code? 'rc' vim +/rc +302 arch/s390/kernel/uv.c 214d9bbcd3a672 Claudio Imbrenda 2020-01-21 280 72b1daff2671ce Claudio Imbrenda 2022-06-28 281 /** 0fab98cab07bbe Claudio Imbrenda 2025-01-08 282 * uv_wiggle_folio() - try to drain extra references to a folio 0fab98cab07bbe Claudio Imbrenda 2025-01-08 283 * @folio: the folio 0fab98cab07bbe Claudio Imbrenda 2025-01-08 284 * @split: whether to split a large folio 72b1daff2671ce Claudio Imbrenda 2022-06-28 285 * 0fab98cab07bbe Claudio Imbrenda 2025-01-08 286 * Context: Must be called while holding an extra reference to the folio; 0fab98cab07bbe Claudio Imbrenda 2025-01-08 287 * the mm lock should not be held. 68ad4743beaa71 David Hildenbrand 2024-05-08 288 */ 0fab98cab07bbe Claudio Imbrenda 2025-01-08 289 int uv_wiggle_folio(struct folio *folio, bool split) 68ad4743beaa71 David Hildenbrand 2024-05-08 290 { 214d9bbcd3a672 Claudio Imbrenda 2020-01-21 291 int rc; 214d9bbcd3a672 Claudio Imbrenda 2020-01-21 292 0fab98cab07bbe Claudio Imbrenda 2025-01-08 293 folio_wait_writeback(folio); 0fab98cab07bbe Claudio Imbrenda 2025-01-08 294 if (split) { eef88fe45ac978 David Hildenbrand 2024-05-08 295 folio_lock(folio); eef88fe45ac978 David Hildenbrand 2024-05-08 296 rc = split_folio(folio); eef88fe45ac978 David Hildenbrand 2024-05-08 297 folio_unlock(folio); eef88fe45ac978 David Hildenbrand 2024-05-08 298 0fab98cab07bbe Claudio Imbrenda 2025-01-08 299 if (rc == -EBUSY) eef88fe45ac978 David Hildenbrand 2024-05-08 300 return -EAGAIN; 0fab98cab07bbe Claudio Imbrenda 2025-01-08 301 if (rc != -EAGAIN) 214d9bbcd3a672 Claudio Imbrenda 2020-01-21 @302 return rc; 214d9bbcd3a672 Claudio Imbrenda 2020-01-21 303 } 0fab98cab07bbe Claudio Imbrenda 2025-01-08 304 lru_add_drain_all(); 0fab98cab07bbe Claudio Imbrenda 2025-01-08 305 return -EAGAIN; a52c25848e3143 Claudio Imbrenda 2022-06-28 306 } 0fab98cab07bbe Claudio Imbrenda 2025-01-08 307 EXPORT_SYMBOL_GPL(uv_wiggle_folio); a52c25848e3143 Claudio Imbrenda 2022-06-28 308 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki