From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.9]) (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 41AD6A93D; Sat, 26 Jul 2025 22:41:34 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=192.198.163.9 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1753569696; cv=none; b=ENAygWzfFmlaY8+uij1JDZuFnryz2lP7OFYbinrhtnKTHjtoO7xyHnc9zndjNt0LOxbR7ez1Za7pSaKWdSClTJ8/Z+M7ABwfHglagiLvls0MEheGTLU43eWsilEs0rjnilcB4leRWZp3NVFxfVXxFEUaknIzy70VbjvTu1HEcdY= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1753569696; c=relaxed/simple; bh=q2XdIWOte2Yuu7wVkJSMzXfZJX2opq6lkisZsgBpRkU=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=O7vgh555l8RGNCwfBR6X6VhfPK1FWlfo0PiT0PmJHgaxCUb2Nb0Dm5Y+4NWSyqY9tB+poDOk++Z203wV3IGrBnyNqnk5f/OUOZhnrr3LlKC2ENxd4W8rIJ1038TaXowBnNDZmdRELRzokWfXvavlyaNBb8WA02ldDYRWDqvcl+Q= 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=a1OZuzfE; arc=none smtp.client-ip=192.198.163.9 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="a1OZuzfE" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1753569693; x=1785105693; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=q2XdIWOte2Yuu7wVkJSMzXfZJX2opq6lkisZsgBpRkU=; b=a1OZuzfE2078PBzZo6kBJ8NIruVEJGhst3AQ03dEzXGRF1tEtraIqeuP bYAbLb09FzTablTq1wjFTbjfjp4T3GQT65BYM4Flqzc/zvlJzZf9R4iJs ZNC4vcQGCXO0vixtL2IG/IF1Jjoo7hgRYWjzGIdKrEQHSGzDde13A6W5R 0N9Q8GKSyjIQglT7yOnsaiBf6erlmk+K2Lj7ijEIqe0EZWpRsXX3jscqh ZFPGCcrPQD7cmm2332kWafxBYCsq4ttHsSeJZixPOhCM1YOi1ymCvZK5x 6jS4mD0xxJvGRafOnXpHs/n5Iq+50OZ+NqTTXGA6T/SV9RMaszeGJezQE Q==; X-CSE-ConnectionGUID: 981XWpE9S1azK9+AEemgqg== X-CSE-MsgGUID: ALvxxup5Q8imK9BoM7OA2w== X-IronPort-AV: E=McAfee;i="6800,10657,11504"; a="66565735" X-IronPort-AV: E=Sophos;i="6.16,339,1744095600"; d="scan'208";a="66565735" Received: from fmviesa009.fm.intel.com ([10.60.135.149]) by fmvoesa103.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 26 Jul 2025 15:41:33 -0700 X-CSE-ConnectionGUID: PJJco16NR4Wk8fSAXDZdTA== X-CSE-MsgGUID: 3vMdi+PgQ6CwsVJKCLVbXg== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.16,339,1744095600"; d="scan'208";a="162087174" Received: from lkp-server01.sh.intel.com (HELO 9ee84586c615) ([10.239.97.150]) by fmviesa009.fm.intel.com with ESMTP; 26 Jul 2025 15:41:31 -0700 Received: from kbuild by 9ee84586c615 with local (Exim 4.96) (envelope-from ) id 1ufna5-000MK3-2U; Sat, 26 Jul 2025 22:41:29 +0000 Date: Sun, 27 Jul 2025 06:41:06 +0800 From: kernel test robot To: John Ousterhout , netdev@vger.kernel.org Cc: llvm@lists.linux.dev, oe-kbuild-all@lists.linux.dev, pabeni@redhat.com, edumazet@google.com, horms@kernel.org, kuba@kernel.org, John Ousterhout Subject: Re: [PATCH net-next v12 15/15] net: homa: create Makefile and Kconfig Message-ID: <202507270639.OBQsePz1-lkp@intel.com> References: <20250724184050.3130-16-ouster@cs.stanford.edu> Precedence: bulk X-Mailing-List: llvm@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20250724184050.3130-16-ouster@cs.stanford.edu> Hi John, kernel test robot noticed the following build errors: [auto build test ERROR on net/main] [also build test ERROR on linus/master v6.16-rc7 next-20250725] [cannot apply to net-next/main horms-ipvs/master] [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/John-Ousterhout/net-homa-define-user-visible-API-for-Homa/20250725-024511 base: net/main patch link: https://lore.kernel.org/r/20250724184050.3130-16-ouster%40cs.stanford.edu patch subject: [PATCH net-next v12 15/15] net: homa: create Makefile and Kconfig config: um-allmodconfig (https://download.01.org/0day-ci/archive/20250727/202507270639.OBQsePz1-lkp@intel.com/config) compiler: clang version 19.1.7 (https://github.com/llvm/llvm-project cd708029e0b2869e80abe31ddb175f7c35361f90) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250727/202507270639.OBQsePz1-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/202507270639.OBQsePz1-lkp@intel.com/ All errors (new ones prefixed by >>): In file included from net/homa/homa_incoming.c:5: In file included from net/homa/homa_impl.h:13: In file included from include/linux/icmp.h:16: In file included from include/linux/skbuff.h:17: In file included from include/linux/bvec.h:10: In file included from include/linux/highmem.h:12: In file included from include/linux/hardirq.h:11: In file included from arch/um/include/asm/hardirq.h:5: In file included from include/asm-generic/hardirq.h:17: In file included from include/linux/irq.h:20: In file included from include/linux/io.h:12: In file included from arch/um/include/asm/io.h:24: include/asm-generic/io.h:1175:55: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 1175 | return (port > MMIO_UPPER_LIMIT) ? NULL : PCI_IOBASE + port; | ~~~~~~~~~~ ^ In file included from net/homa/homa_incoming.c:5: >> net/homa/homa_impl.h:557:9: error: use of undeclared identifier 'tsc_khz' 557 | return tsc_khz; | ^ 1 warning and 1 error generated. vim +/tsc_khz +557 net/homa/homa_impl.h 4d2ad8007f1c33 John Ousterhout 2025-07-24 548 4d2ad8007f1c33 John Ousterhout 2025-07-24 549 /** 4d2ad8007f1c33 John Ousterhout 2025-07-24 550 * homa_clock_khz() - Return the frequency of the values returned by 4d2ad8007f1c33 John Ousterhout 2025-07-24 551 * homa_clock, in units of KHz. 4d2ad8007f1c33 John Ousterhout 2025-07-24 552 * Return: see above. 4d2ad8007f1c33 John Ousterhout 2025-07-24 553 */ 4d2ad8007f1c33 John Ousterhout 2025-07-24 554 static inline u64 homa_clock_khz(void) 4d2ad8007f1c33 John Ousterhout 2025-07-24 555 { 4d2ad8007f1c33 John Ousterhout 2025-07-24 556 #ifdef CONFIG_X86_TSC 4d2ad8007f1c33 John Ousterhout 2025-07-24 @557 return tsc_khz; 4d2ad8007f1c33 John Ousterhout 2025-07-24 558 #else 4d2ad8007f1c33 John Ousterhout 2025-07-24 559 return 1000000; 4d2ad8007f1c33 John Ousterhout 2025-07-24 560 #endif /* CONFIG_X86_TSC */ 4d2ad8007f1c33 John Ousterhout 2025-07-24 561 } 4d2ad8007f1c33 John Ousterhout 2025-07-24 562 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki