From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.11]) (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 8EFF71F2BAE; Sat, 8 Feb 2025 22:51:16 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=192.198.163.11 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1739055079; cv=none; b=AvnobsRBy38wZcXV0c3LWdvqsEpJXA8TTvW6/iuNvNwQ4fCET4DRoHwITcSkW5QmkHE8tVNFQ6c82oDy8qJpsiWBoLetvAGHeis7z1sB2Qn1HDEMvSAdcNXBWJJf2cCMDuTrCXDUsYefeF+16oXtpyIa7rxbJQ/O333IhKV9Oss= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1739055079; c=relaxed/simple; bh=bG8iciPdsDovxlkJVQTSUjiduwBS3xd47SB2piZOgFA=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=r2HqGl4WtqakyMa8Sh0x6S98da3bjsIJPzp1U2qQqvL20zoNG4ixZC/tICHz8lPqE5LXfPeIzflHA0UAMD3L9Q44fjYf7WlCxSxKsvFDt8cEBiRpTXgT6ZHkwxC+K+dEfZX8RYn3H6j8St+K/VUcKKgiVFRtMuuG71Pz8IYQEwg= 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=JEkpStsP; arc=none smtp.client-ip=192.198.163.11 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="JEkpStsP" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1739055078; x=1770591078; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=bG8iciPdsDovxlkJVQTSUjiduwBS3xd47SB2piZOgFA=; b=JEkpStsP8J+gTXjUxBborukUmAd4epNgChLnULFjkmutiefBbuc7p+6s T2zW8wzQvQansRcPXJBJZ8j10+wtcIddLhg2f9YO9T9TQzifhTg54vQmZ ecyc3v2Tzxnbdj9w8maJwNovkmJmr9HGkVNW3T+t3RI8ptT1VAcJP+Pnh gbX5oI7bCsDamlrhQaNo3Cb4FogfPjmJnToGsBbI9XvelR6SqJd6WiJMb B869/58aZaZbfUwOYqEEYGfvt+qZyEc6Aq3edz6fp5qMt3XplnFSIMapn 01Qb5WFQVNnD1fUAS5H25QTb5VxZ6mt5UNJy2UHuabc1nd+TXua0j/DEA g==; X-CSE-ConnectionGUID: sLfWKNmfRpWiL51z/qLy0w== X-CSE-MsgGUID: o4Ur7n//SW6UsYBrOb8vFw== X-IronPort-AV: E=McAfee;i="6700,10204,11339"; a="50298221" X-IronPort-AV: E=Sophos;i="6.13,271,1732608000"; d="scan'208";a="50298221" Received: from fmviesa008.fm.intel.com ([10.60.135.148]) by fmvoesa105.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 08 Feb 2025 14:51:16 -0800 X-CSE-ConnectionGUID: WjcthE2OSzuVz4DiindQcg== X-CSE-MsgGUID: tDNgQgIBSFGTpNVOpZw4Lg== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.13,271,1732608000"; d="scan'208";a="112054509" Received: from lkp-server01.sh.intel.com (HELO d63d4d77d921) ([10.239.97.150]) by fmviesa008.fm.intel.com with ESMTP; 08 Feb 2025 14:51:14 -0800 Received: from kbuild by d63d4d77d921 with local (Exim 4.96) (envelope-from ) id 1tgtfL-0010k7-1c; Sat, 08 Feb 2025 22:51:11 +0000 Date: Sun, 9 Feb 2025 06:50:11 +0800 From: kernel test robot To: Tamir Duberstein , David Gow , Shuah Khan , Luis Felipe Hernandez , Andrew Morton Cc: oe-kbuild-all@lists.linux.dev, Linux Memory Management List , linux-kernel@vger.kernel.org, linux-kselftest@vger.kernel.org, Tamir Duberstein Subject: Re: [PATCH v2 2/2] lib/prime_numbers: convert self-test to KUnit Message-ID: <202502090640.RJYhwFQe-lkp@intel.com> References: <20250208-prime_numbers-kunit-convert-v2-2-863119447e04@gmail.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: <20250208-prime_numbers-kunit-convert-v2-2-863119447e04@gmail.com> Hi Tamir, kernel test robot noticed the following build errors: [auto build test ERROR on 2014c95afecee3e76ca4a56956a936e23283f05b] url: https://github.com/intel-lab-lkp/linux/commits/Tamir-Duberstein/lib-math-Hook-up-tests-Makefile/20250208-220040 base: 2014c95afecee3e76ca4a56956a936e23283f05b patch link: https://lore.kernel.org/r/20250208-prime_numbers-kunit-convert-v2-2-863119447e04%40gmail.com patch subject: [PATCH v2 2/2] lib/prime_numbers: convert self-test to KUnit config: i386-buildonly-randconfig-001-20250209 (https://download.01.org/0day-ci/archive/20250209/202502090640.RJYhwFQe-lkp@intel.com/config) compiler: gcc-12 (Debian 12.2.0-14) 12.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250209/202502090640.RJYhwFQe-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/202502090640.RJYhwFQe-lkp@intel.com/ All errors (new ones prefixed by >>): lib/math/prime_numbers.c: In function 'expand_to_next_prime': >> lib/math/prime_numbers.c:126:15: error: implicit declaration of function 'kmalloc'; did you mean 'mm_alloc'? [-Werror=implicit-function-declaration] 126 | new = kmalloc(sizeof(*new) + bitmap_size(sz), | ^~~~~~~ | mm_alloc lib/math/prime_numbers.c:126:13: warning: assignment to 'struct primes *' from 'int' makes pointer from integer without a cast [-Wint-conversion] 126 | new = kmalloc(sizeof(*new) + bitmap_size(sz), | ^ >> lib/math/prime_numbers.c:134:17: error: implicit declaration of function 'kfree' [-Werror=implicit-function-declaration] 134 | kfree(new); | ^~~~~ cc1: some warnings being treated as errors vim +126 lib/math/prime_numbers.c cf4a7207b1cb4a lib/prime_numbers.c Chris Wilson 2016-12-22 106 cf4a7207b1cb4a lib/prime_numbers.c Chris Wilson 2016-12-22 107 static bool expand_to_next_prime(unsigned long x) cf4a7207b1cb4a lib/prime_numbers.c Chris Wilson 2016-12-22 108 { cf4a7207b1cb4a lib/prime_numbers.c Chris Wilson 2016-12-22 109 const struct primes *p; cf4a7207b1cb4a lib/prime_numbers.c Chris Wilson 2016-12-22 110 struct primes *new; cf4a7207b1cb4a lib/prime_numbers.c Chris Wilson 2016-12-22 111 unsigned long sz, y; cf4a7207b1cb4a lib/prime_numbers.c Chris Wilson 2016-12-22 112 cf4a7207b1cb4a lib/prime_numbers.c Chris Wilson 2016-12-22 113 /* Betrand's Postulate (or Chebyshev's theorem) states that if n > 3, cf4a7207b1cb4a lib/prime_numbers.c Chris Wilson 2016-12-22 114 * there is always at least one prime p between n and 2n - 2. cf4a7207b1cb4a lib/prime_numbers.c Chris Wilson 2016-12-22 115 * Equivalently, if n > 1, then there is always at least one prime p cf4a7207b1cb4a lib/prime_numbers.c Chris Wilson 2016-12-22 116 * such that n < p < 2n. cf4a7207b1cb4a lib/prime_numbers.c Chris Wilson 2016-12-22 117 * cf4a7207b1cb4a lib/prime_numbers.c Chris Wilson 2016-12-22 118 * http://mathworld.wolfram.com/BertrandsPostulate.html cf4a7207b1cb4a lib/prime_numbers.c Chris Wilson 2016-12-22 119 * https://en.wikipedia.org/wiki/Bertrand's_postulate cf4a7207b1cb4a lib/prime_numbers.c Chris Wilson 2016-12-22 120 */ cf4a7207b1cb4a lib/prime_numbers.c Chris Wilson 2016-12-22 121 sz = 2 * x; cf4a7207b1cb4a lib/prime_numbers.c Chris Wilson 2016-12-22 122 if (sz < x) cf4a7207b1cb4a lib/prime_numbers.c Chris Wilson 2016-12-22 123 return false; cf4a7207b1cb4a lib/prime_numbers.c Chris Wilson 2016-12-22 124 cf4a7207b1cb4a lib/prime_numbers.c Chris Wilson 2016-12-22 125 sz = round_up(sz, BITS_PER_LONG); 717c8ae7aae4f2 lib/prime_numbers.c Chris Wilson 2017-01-13 @126 new = kmalloc(sizeof(*new) + bitmap_size(sz), 717c8ae7aae4f2 lib/prime_numbers.c Chris Wilson 2017-01-13 127 GFP_KERNEL | __GFP_NOWARN); cf4a7207b1cb4a lib/prime_numbers.c Chris Wilson 2016-12-22 128 if (!new) cf4a7207b1cb4a lib/prime_numbers.c Chris Wilson 2016-12-22 129 return false; cf4a7207b1cb4a lib/prime_numbers.c Chris Wilson 2016-12-22 130 cf4a7207b1cb4a lib/prime_numbers.c Chris Wilson 2016-12-22 131 mutex_lock(&lock); cf4a7207b1cb4a lib/prime_numbers.c Chris Wilson 2016-12-22 132 p = rcu_dereference_protected(primes, lockdep_is_held(&lock)); cf4a7207b1cb4a lib/prime_numbers.c Chris Wilson 2016-12-22 133 if (x < p->last) { cf4a7207b1cb4a lib/prime_numbers.c Chris Wilson 2016-12-22 @134 kfree(new); cf4a7207b1cb4a lib/prime_numbers.c Chris Wilson 2016-12-22 135 goto unlock; cf4a7207b1cb4a lib/prime_numbers.c Chris Wilson 2016-12-22 136 } cf4a7207b1cb4a lib/prime_numbers.c Chris Wilson 2016-12-22 137 cf4a7207b1cb4a lib/prime_numbers.c Chris Wilson 2016-12-22 138 /* Where memory permits, track the primes using the cf4a7207b1cb4a lib/prime_numbers.c Chris Wilson 2016-12-22 139 * Sieve of Eratosthenes. The sieve is to remove all multiples of known cf4a7207b1cb4a lib/prime_numbers.c Chris Wilson 2016-12-22 140 * primes from the set, what remains in the set is therefore prime. cf4a7207b1cb4a lib/prime_numbers.c Chris Wilson 2016-12-22 141 */ cf4a7207b1cb4a lib/prime_numbers.c Chris Wilson 2016-12-22 142 bitmap_fill(new->primes, sz); cf4a7207b1cb4a lib/prime_numbers.c Chris Wilson 2016-12-22 143 bitmap_copy(new->primes, p->primes, p->sz); cf4a7207b1cb4a lib/prime_numbers.c Chris Wilson 2016-12-22 144 for (y = 2UL; y < sz; y = find_next_bit(new->primes, sz, y + 1)) cf4a7207b1cb4a lib/prime_numbers.c Chris Wilson 2016-12-22 145 new->last = clear_multiples(y, new->primes, p->sz, sz); cf4a7207b1cb4a lib/prime_numbers.c Chris Wilson 2016-12-22 146 new->sz = sz; cf4a7207b1cb4a lib/prime_numbers.c Chris Wilson 2016-12-22 147 cf4a7207b1cb4a lib/prime_numbers.c Chris Wilson 2016-12-22 148 BUG_ON(new->last <= x); cf4a7207b1cb4a lib/prime_numbers.c Chris Wilson 2016-12-22 149 cf4a7207b1cb4a lib/prime_numbers.c Chris Wilson 2016-12-22 150 rcu_assign_pointer(primes, new); cf4a7207b1cb4a lib/prime_numbers.c Chris Wilson 2016-12-22 151 if (p != &small_primes) cf4a7207b1cb4a lib/prime_numbers.c Chris Wilson 2016-12-22 152 kfree_rcu((struct primes *)p, rcu); cf4a7207b1cb4a lib/prime_numbers.c Chris Wilson 2016-12-22 153 cf4a7207b1cb4a lib/prime_numbers.c Chris Wilson 2016-12-22 154 unlock: cf4a7207b1cb4a lib/prime_numbers.c Chris Wilson 2016-12-22 155 mutex_unlock(&lock); cf4a7207b1cb4a lib/prime_numbers.c Chris Wilson 2016-12-22 156 return true; cf4a7207b1cb4a lib/prime_numbers.c Chris Wilson 2016-12-22 157 } cf4a7207b1cb4a lib/prime_numbers.c Chris Wilson 2016-12-22 158 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki