From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.16]) (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 519A113FEE for ; Wed, 30 Oct 2024 19:11:32 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=192.198.163.16 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1730315495; cv=none; b=rVSVMNUg4tg7b6dSPTdzs3wUJLOqCk1QLdtcGtX9neek5wHOCUu8YUqtyOXSDDzbsDios3AuINlCsm3n43c1jqDsQ1dngGLHYlBKWjhbTqxjDc+n/D8+90rjSaoPq8KaQCv4C0RSx5/8EsKPlHFCCDSqHhlDAyNp3mjlT1ZcVOI= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1730315495; c=relaxed/simple; bh=wYjDZjXMx4uq3C1pgmWnQzqHf6MedaNVxXx3cVk+si4=; h=Date:From:To:Cc:Subject:Message-ID:MIME-Version:Content-Type: Content-Disposition; b=Hi9pg6RTMSXC83BnUiLuVqCzBBPXhpX9OjW/1yf5eto/PV0FRg0YdeP2vs9ic/W5a3E8Vf3/qZR940chF5Ix8XoM3Fe/tX1kPQh5tbl8d6PbOSxj/Lj7b0cnuJfjU2X/m90jT/HLKAcj0OSGkTm7wMO6z5YkyG6u25twjS7+wOo= 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=PetM51oV; arc=none smtp.client-ip=192.198.163.16 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="PetM51oV" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1730315493; x=1761851493; h=date:from:to:cc:subject:message-id:mime-version; bh=wYjDZjXMx4uq3C1pgmWnQzqHf6MedaNVxXx3cVk+si4=; b=PetM51oVWx8GPzlb2LjTwg3i7ftTNTD2avn0TmwiImqLlKMSY8X+z0QZ 5Ci9+v4kntNFapRkKB5oQj38XBVOc8MyhFf2uFm7WBTauVag28ZC4Gor9 8BzlFK+aNt/11fBhxB7hzT/omErfHOjWTiANQB69m7fpcvfpi1RjTtUgv /HTHjbO92QgTdxSLf57ryg73r3xdCz0MEfyKDlsZA3z8W2csGScOf7ER+ ApgZZMzz8mG/B11TWt7uN95QVghQn86rmF8xauVbOOIIOyW/JhY5o/Dac Lfg4DCdz97JaEQd9X95w4PWz8w6cS+7REhiU2CZ61QuQ4+xYSfSS+yRak A==; X-CSE-ConnectionGUID: 7XUQENwvSb60qJDBC07UMg== X-CSE-MsgGUID: OiTW6dMnRjeQ3TM5sdUQ9g== X-IronPort-AV: E=McAfee;i="6700,10204,11241"; a="17679972" X-IronPort-AV: E=Sophos;i="6.11,245,1725346800"; d="scan'208";a="17679972" Received: from fmviesa009.fm.intel.com ([10.60.135.149]) by fmvoesa110.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 30 Oct 2024 12:11:32 -0700 X-CSE-ConnectionGUID: 9DpwvLeuSNKATisHqzrnVA== X-CSE-MsgGUID: AuNBPQ/qSLmidC5iSYAcpA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.11,245,1725346800"; d="scan'208";a="82501761" Received: from lkp-server01.sh.intel.com (HELO a48cf1aa22e8) ([10.239.97.150]) by fmviesa009.fm.intel.com with ESMTP; 30 Oct 2024 12:11:30 -0700 Received: from kbuild by a48cf1aa22e8 with local (Exim 4.96) (envelope-from ) id 1t6E6K-000fEE-1H; Wed, 30 Oct 2024 19:11:28 +0000 Date: Thu, 31 Oct 2024 03:11:03 +0800 From: kernel test robot To: oe-kbuild@lists.linux.dev Cc: lkp@intel.com, Dan Carpenter Subject: arch/riscv/kernel/sys_hwprobe.c:42 hwprobe_arch_id() error: uninitialized symbol 'cpu_id'. Message-ID: <202410310318.7azAzKkJ-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 CC: linux-kernel@vger.kernel.org TO: Andrew Jones CC: Palmer Dabbelt CC: Conor Dooley tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: c1e939a21eb111a6d6067b38e8e04b8809b64c4e commit: 53b2b22850e1ff9e2729ce8efe2d846ed7d3bff4 RISC-V: Move the hwprobe syscall to its own file date: 10 months ago :::::: branch date: 16 hours ago :::::: commit date: 10 months ago config: riscv-randconfig-r071-20241030 (https://download.01.org/0day-ci/archive/20241031/202410310318.7azAzKkJ-lkp@intel.com/config) compiler: clang version 17.0.6 (https://github.com/llvm/llvm-project 6009708b4367171ccdbf4b5905cb6a803753fe18) 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/202410310318.7azAzKkJ-lkp@intel.com/ smatch warnings: arch/riscv/kernel/sys_hwprobe.c:42 hwprobe_arch_id() error: uninitialized symbol 'cpu_id'. vim +/cpu_id +42 arch/riscv/kernel/sys_hwprobe.c 53b2b22850e1ff Andrew Jones 2023-11-22 17 53b2b22850e1ff Andrew Jones 2023-11-22 18 53b2b22850e1ff Andrew Jones 2023-11-22 19 static void hwprobe_arch_id(struct riscv_hwprobe *pair, 53b2b22850e1ff Andrew Jones 2023-11-22 20 const struct cpumask *cpus) 53b2b22850e1ff Andrew Jones 2023-11-22 21 { 53b2b22850e1ff Andrew Jones 2023-11-22 22 u64 id = -1ULL; 53b2b22850e1ff Andrew Jones 2023-11-22 23 bool first = true; 53b2b22850e1ff Andrew Jones 2023-11-22 24 int cpu; 53b2b22850e1ff Andrew Jones 2023-11-22 25 53b2b22850e1ff Andrew Jones 2023-11-22 26 for_each_cpu(cpu, cpus) { 53b2b22850e1ff Andrew Jones 2023-11-22 27 u64 cpu_id; 53b2b22850e1ff Andrew Jones 2023-11-22 28 53b2b22850e1ff Andrew Jones 2023-11-22 29 switch (pair->key) { 53b2b22850e1ff Andrew Jones 2023-11-22 30 case RISCV_HWPROBE_KEY_MVENDORID: 53b2b22850e1ff Andrew Jones 2023-11-22 31 cpu_id = riscv_cached_mvendorid(cpu); 53b2b22850e1ff Andrew Jones 2023-11-22 32 break; 53b2b22850e1ff Andrew Jones 2023-11-22 33 case RISCV_HWPROBE_KEY_MIMPID: 53b2b22850e1ff Andrew Jones 2023-11-22 34 cpu_id = riscv_cached_mimpid(cpu); 53b2b22850e1ff Andrew Jones 2023-11-22 35 break; 53b2b22850e1ff Andrew Jones 2023-11-22 36 case RISCV_HWPROBE_KEY_MARCHID: 53b2b22850e1ff Andrew Jones 2023-11-22 37 cpu_id = riscv_cached_marchid(cpu); 53b2b22850e1ff Andrew Jones 2023-11-22 38 break; 53b2b22850e1ff Andrew Jones 2023-11-22 39 } 53b2b22850e1ff Andrew Jones 2023-11-22 40 53b2b22850e1ff Andrew Jones 2023-11-22 41 if (first) { 53b2b22850e1ff Andrew Jones 2023-11-22 @42 id = cpu_id; 53b2b22850e1ff Andrew Jones 2023-11-22 43 first = false; 53b2b22850e1ff Andrew Jones 2023-11-22 44 } 53b2b22850e1ff Andrew Jones 2023-11-22 45 53b2b22850e1ff Andrew Jones 2023-11-22 46 /* 53b2b22850e1ff Andrew Jones 2023-11-22 47 * If there's a mismatch for the given set, return -1 in the 53b2b22850e1ff Andrew Jones 2023-11-22 48 * value. 53b2b22850e1ff Andrew Jones 2023-11-22 49 */ 53b2b22850e1ff Andrew Jones 2023-11-22 50 if (id != cpu_id) { 53b2b22850e1ff Andrew Jones 2023-11-22 51 id = -1ULL; 53b2b22850e1ff Andrew Jones 2023-11-22 52 break; 53b2b22850e1ff Andrew Jones 2023-11-22 53 } 53b2b22850e1ff Andrew Jones 2023-11-22 54 } 53b2b22850e1ff Andrew Jones 2023-11-22 55 53b2b22850e1ff Andrew Jones 2023-11-22 56 pair->value = id; 53b2b22850e1ff Andrew Jones 2023-11-22 57 } 53b2b22850e1ff Andrew Jones 2023-11-22 58 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki