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X-CSE-ConnectionGUID: 58n/fiX/Rty/vlWlaK79xw== X-CSE-MsgGUID: 0s0SiAEPRjKSQoPjmTqu+w== X-IronPort-AV: E=McAfee;i="6800,10657,11938"; a="931700" X-IronPort-AV: E=Sophos;i="6.27,165,1787036400"; d="scan'208";a="931700" Received: from fmviesa001.fm.intel.com ([10.60.135.141]) by fmvoesa104.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 18 Oct 2026 05:07:57 -0700 X-CSE-ConnectionGUID: C2O++14kShWBevqM8q8YNw== X-CSE-MsgGUID: LWkPYdNFRryIksqKkb0Lsg== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.27,165,1787036400"; d="scan'208";a="2611520" Received: from lkp-server01.sh.intel.com (HELO 0caa9d2d175c) ([10.239.97.150]) by fmviesa001.fm.intel.com with ESMTP; 18 Oct 2026 05:07:53 -0700 Received: from kbuild by 0caa9d2d175c with local (Exim 4.98.2) (envelope-from ) id 1xIPg6-00000000KOO-3Pyn; Sun, 18 Oct 2026 12:07:50 +0000 Date: Sun, 18 Oct 2026 20:06:58 +0800 From: kernel test robot To: Alexei Starovoitov , bpf@vger.kernel.org Cc: oe-kbuild-all@lists.linux.dev, daniel@iogearbox.net, andrii@kernel.org, eddyz87@gmail.com, memxor@gmail.com, netdev@vger.kernel.org, josef@toxicpanda.com, mason@kernel.org Subject: Re: [PATCH bpf-next v2 04/43] bpf: don't hand out a linked element as extra element Message-ID: <202610182013.abPmS8oP-lkp@intel.com> References: <20261017163745.3341787-5-alexei.starovoitov@gmail.com> Precedence: bulk X-Mailing-List: netdev@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: <20261017163745.3341787-5-alexei.starovoitov@gmail.com> Hi Alexei, kernel test robot noticed the following build errors: [auto build test ERROR on 458575e1f2ddea944d679fe778c92e370a9b61a4] url: https://github.com/intel-lab-lkp/linux/commits/Alexei-Starovoitov/bpf-use-the-frame-mem-type-in-devmap-egress-XDP/20261017-163703 base: 458575e1f2ddea944d679fe778c92e370a9b61a4 patch link: https://lore.kernel.org/r/20261017163745.3341787-5-alexei.starovoitov%40gmail.com patch subject: [PATCH bpf-next v2 04/43] bpf: don't hand out a linked element as extra element config: arc-randconfig-1000-20261018 (https://download.01.org/0day-ci/archive/20261018/202610182013.abPmS8oP-lkp@intel.com/config) compiler: arc-linux-gcc (GCC) 11.5.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20261018/202610182013.abPmS8oP-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/202610182013.abPmS8oP-lkp@intel.com/ All errors (new ones prefixed by >>): In file included from include/linux/atomic.h:80, from include/asm-generic/bitops/lock.h:5, from arch/arc/include/asm/bitops.h:190, from include/linux/bitops.h:67, from include/linux/log2.h:12, from include/asm-generic/div64.h:55, from ./arch/arc/include/generated/asm/div64.h:1, from include/linux/math.h:6, from include/linux/math64.h:6, from include/linux/time64.h:5, from include/linux/restart_block.h:9, from include/linux/thread_info.h:14, from include/asm-generic/preempt.h:5, from ./arch/arc/include/generated/asm/preempt.h:1, from include/linux/preempt.h:107, from include/linux/alloc_tag.h:11, from include/linux/workqueue.h:9, from include/linux/bpf.h:12, from kernel/bpf/hashtab.c:5: kernel/bpf/hashtab.c: In function 'alloc_htab_elem': >> include/linux/atomic/atomic-arch-fallback.h:384:27: error: implicit declaration of function 'arch_cmpxchg_local'; did you mean 'raw_cmpxchg_local'? [-Werror=implicit-function-declaration] 384 | #define raw_cmpxchg_local arch_cmpxchg_local | ^~~~~~~~~~~~~~~~~~ include/linux/atomic/atomic-arch-fallback.h:392:16: note: in expansion of macro 'raw_cmpxchg_local' 392 | ___r = raw_cmpxchg_local((_ptr), ___o, (_new)); \ | ^~~~~~~~~~~~~~~~~ include/linux/atomic/atomic-instrumented.h:5022:9: note: in expansion of macro 'raw_try_cmpxchg_local' 5022 | raw_try_cmpxchg_local(__ai_ptr, __ai_oldp, __VA_ARGS__); \ | ^~~~~~~~~~~~~~~~~~~~~ kernel/bpf/hashtab.c:1292:35: note: in expansion of macro 'try_cmpxchg_local' 1292 | } while (!try_cmpxchg_local(pl_new, &l_new, NULL)); | ^~~~~~~~~~~~~~~~~ include/linux/atomic/atomic-arch-fallback.h:392:14: warning: assignment to 'struct htab_elem *' from 'int' makes pointer from integer without a cast [-Wint-conversion] 392 | ___r = raw_cmpxchg_local((_ptr), ___o, (_new)); \ | ^ include/linux/atomic/atomic-instrumented.h:5022:9: note: in expansion of macro 'raw_try_cmpxchg_local' 5022 | raw_try_cmpxchg_local(__ai_ptr, __ai_oldp, __VA_ARGS__); \ | ^~~~~~~~~~~~~~~~~~~~~ kernel/bpf/hashtab.c:1292:35: note: in expansion of macro 'try_cmpxchg_local' 1292 | } while (!try_cmpxchg_local(pl_new, &l_new, NULL)); | ^~~~~~~~~~~~~~~~~ cc1: some warnings being treated as errors vim +384 include/linux/atomic/atomic-arch-fallback.h 8c8b096a23d12f Peter Zijlstra 2023-05-31 383 9257959a6e5b4f Mark Rutland 2023-06-05 @384 #define raw_cmpxchg_local arch_cmpxchg_local 8c8b096a23d12f Peter Zijlstra 2023-05-31 385 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki