From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.19]) (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 A08E815625A for ; Mon, 9 Dec 2024 04:12:09 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.175.65.19 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1733717531; cv=none; b=jwIYDZhaU9P34Ie9k6/m/3psAADNdczq5n5n2luUzoAjrHPvYByIwVIYsBwQXsbCeu2tV47yqoQ8s46EXod49zfziI1bTopSL03ZAwXLIThj1RYdtBE4ltToJitMxljlf3ZShBgXCS57wfiy0FtuwPoVYBu0Pq9g4w8HZog0R5w= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1733717531; c=relaxed/simple; bh=Lga/ssee0/e2AK2TRY8ybDPfVx7+bunkn648UXNE7po=; h=Date:From:To:Cc:Subject:Message-ID:MIME-Version:Content-Type: Content-Disposition; b=VPZPM+ENZIK2rjZh38io8smPwMEgmSAHvuqTZj/lUzg5zEleAUo7VAoZnmK9rRylJ73FJjSsz/jyxM2AG60Jnabi6x7IDerXXVDXogUumPI64aCFiBlCy6oBB8EB82y+P6zcRk7pUxDS4jyVGme/AdpfX136vkCSQsxNHTukMKA= 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=KWlfVZ5m; arc=none smtp.client-ip=198.175.65.19 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="KWlfVZ5m" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1733717530; x=1765253530; h=date:from:to:cc:subject:message-id:mime-version; bh=Lga/ssee0/e2AK2TRY8ybDPfVx7+bunkn648UXNE7po=; b=KWlfVZ5mGW30Ka6yo1+cvLk93P7WlhZP/PWENVgOUhv5q13DrA/c4NSu LQO/isXniIP3euH7oVb7MKXWKZeQj2+rjM3Gc1745Rr8ul309Yn8tyesy SdkY4LA6kIBptksy/HOVJ1aJB6WLJzlEgcapdZmB35KhN0twgp8/Tv4ol 53c94BGH0WFLVqm7ocfXulFHqztrUabxkMWy6S0fkUtEKblaEOao/Hg6y 4Hk8srnLtBpfndVEPsettxCQzzWx6ITqZp9JtYnOadbVTXRfn1yWdLDSt cKRe+VfkOoBZ/CnxlDVQjZGbfGCpX2dBbfAk3s91YXUDysmXWp9H4DqAg A==; X-CSE-ConnectionGUID: V96TdD2ZTBi4lGeb2vTNOg== X-CSE-MsgGUID: jTL52OYvQsC8SBt2oB8A1w== X-IronPort-AV: E=McAfee;i="6700,10204,11280"; a="33891389" X-IronPort-AV: E=Sophos;i="6.12,218,1728975600"; d="scan'208";a="33891389" Received: from fmviesa004.fm.intel.com ([10.60.135.144]) by orvoesa111.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 08 Dec 2024 20:12:10 -0800 X-CSE-ConnectionGUID: 7bab7SODRCytzwQoEs07xA== X-CSE-MsgGUID: ZO3ulOfPRXyhfB6407hlYA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.12,218,1728975600"; d="scan'208";a="99775554" Received: from lkp-server01.sh.intel.com (HELO 82a3f569d0cb) ([10.239.97.150]) by fmviesa004.fm.intel.com with ESMTP; 08 Dec 2024 20:12:08 -0800 Received: from kbuild by 82a3f569d0cb with local (Exim 4.96) (envelope-from ) id 1tKV7t-0003oL-2X; Mon, 09 Dec 2024 04:12:05 +0000 Date: Mon, 9 Dec 2024 12:11:21 +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: <202412071537.ce5eoTOq-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: b5f217084ab3ddd4bdd03cd437f8e3b7e2d1f5b6 commit: 53b2b22850e1ff9e2729ce8efe2d846ed7d3bff4 RISC-V: Move the hwprobe syscall to its own file date: 11 months ago :::::: branch date: 9 hours ago :::::: commit date: 11 months ago config: riscv-randconfig-r073-20241207 (https://download.01.org/0day-ci/archive/20241207/202412071537.ce5eoTOq-lkp@intel.com/config) compiler: riscv64-linux-gcc (GCC) 14.2.0 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/202412071537.ce5eoTOq-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