From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.10]) (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 D90963B7742; Wed, 8 Jul 2026 20:57:53 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=192.198.163.10 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1783544275; cv=none; b=QO+yQTn54I1TpBsjmxG6iJdTcN56QPI7qKQIpwq9mU1kMVT7Os61Z7O9qA/rJnP1cgUq9E5zEJsU220L55L07YnODGPkM4TA7JwRbJFoWaf+ut3EEYmGo84xVh2vZS//zmKQR4xTcxTbcTrLWtyRR8S2DhVrbOYia2gzzpOBnMI= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1783544275; c=relaxed/simple; bh=r/4YVWf3GEUuhWrqDocWN1ZuzzIoF+Gcf/EOZLNH5G8=; h=Date:From:To:Cc:Subject:Message-ID; b=Jjc5L2tFLHDZ+H19PtVfyQEyYM9pdp2kNlc1lLIljxzsWWBHo/zFQ4gC/t2nJ8IKXA0tlw/tRJK2gLRQgW/3C6Rk0DoTicLAVHUuAcOpEuhLy+E3OoL72ELOI/k8a4Pfj9BgGf223BgOQBdWlIrTdL7w3exEro6/iai6yCgzO0w= 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=O7dTlSqU; arc=none smtp.client-ip=192.198.163.10 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="O7dTlSqU" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1783544274; x=1815080274; h=date:from:to:cc:subject:message-id; bh=r/4YVWf3GEUuhWrqDocWN1ZuzzIoF+Gcf/EOZLNH5G8=; b=O7dTlSqUyQgLf5jLBG2sEd8ylU1ZFR5aY9TuI1XqoZiy+zLLQmdAO4vi cQroU8pQ6ngkXEe/H5vYxgDRIe9UDf4XTxHwn9CT+sih9nY0sViRh/h62 2YQxCgjatnJOb3L0AlxgKfux+Z8zenzyD3gs39zIKVvziCnDj4HQ5sybW w/4xjG1uja4c1ZbfWfpOOEWI8NwwpSEwKldGSOq9HJdCYdREl0WyldwHh tbY3Zv75lqW5FDA6F637ydUTnexvjjTgoih19A6GaxzApP8NbsG7t5C2P Y0LEKf2ka6CXh4NKhJ34peH+Uom9d6NO5ut5NOupSkUh+eD34TbFo7y3A A==; X-CSE-ConnectionGUID: aleoa+rETMmKO9H9GcSMLA== X-CSE-MsgGUID: XgwHN+zrSve2TxmOwnfptw== X-IronPort-AV: E=McAfee;i="6800,10657,11841"; a="95595480" X-IronPort-AV: E=Sophos;i="6.25,153,1779174000"; d="scan'208";a="95595480" Received: from fmviesa006.fm.intel.com ([10.60.135.146]) by fmvoesa104.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 08 Jul 2026 13:57:53 -0700 X-CSE-ConnectionGUID: B9DGdtgQSqC6VUYfAriQew== X-CSE-MsgGUID: JiSmMnVsT8OSICmrnPjGOA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.25,153,1779174000"; d="scan'208";a="249973433" Received: from lkp-server02.sh.intel.com (HELO ea128546eb3d) ([10.239.97.151]) by fmviesa006.fm.intel.com with ESMTP; 08 Jul 2026 13:57:52 -0700 Received: from kbuild by ea128546eb3d with local (Exim 4.98.2) (envelope-from ) id 1whZL3-00000000Grj-0gOC; Wed, 08 Jul 2026 20:57:49 +0000 Date: Thu, 09 Jul 2026 04:57:03 +0800 From: kernel test robot To: Brian Cain Cc: llvm@lists.linux.dev, oe-kbuild-all@lists.linux.dev Subject: [bcain:bcain/qemu_boot 17/69] arch/hexagon/kernel/setup.c:50:15: error: use of undeclared identifier '__dtb_start'; did you mean '__bss_start'? Message-ID: <202607090421.67WSACKQ-lkp@intel.com> User-Agent: s-nail v14.9.25 Precedence: bulk X-Mailing-List: llvm@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: tree: https://git.kernel.org/pub/scm/linux/kernel/git/bcain/linux.git bcain/qemu_boot head: 89efd48e5609f41280973bc49df20ffe80177690 commit: 4420ba219f5fcabfce7ba0ecf521f56024aab6d4 [17/69] hexagon: add platform infrastructure config: hexagon-defconfig (https://download.01.org/0day-ci/archive/20260709/202607090421.67WSACKQ-lkp@intel.com/config) compiler: clang version 23.0.0git (https://github.com/llvm/llvm-project c279890c85da307abe34f10333442bbf72a60644) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260709/202607090421.67WSACKQ-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/202607090421.67WSACKQ-lkp@intel.com/ All errors (new ones prefixed by >>): In file included from arch/hexagon/kernel/setup.c:22: arch/hexagon/include/asm/platform.h:29:13: error: conflicting types for 'early_memtest' 29 | extern void early_memtest(unsigned long start, unsigned long end); | ^ include/linux/memblock.h:609:20: note: previous definition is here 609 | static inline void early_memtest(phys_addr_t start, phys_addr_t end) { } | ^ arch/hexagon/kernel/setup.c:49:13: error: use of undeclared identifier 'external_buffer' 49 | char *p = &external_buffer; | ^~~~~~~~~~~~~~~ >> arch/hexagon/kernel/setup.c:50:15: error: use of undeclared identifier '__dtb_start'; did you mean '__bss_start'? 50 | void *dtb = &__dtb_start; | ^~~~~~~~~~~ | __bss_start include/asm-generic/sections.h:37:13: note: '__bss_start' declared here 37 | extern char __bss_start[], __bss_stop[]; | ^ 3 errors generated. vim +50 arch/hexagon/kernel/setup.c e03167b26b7fcf Richard Kuo 2011-10-31 41 e03167b26b7fcf Richard Kuo 2011-10-31 42 /* e03167b26b7fcf Richard Kuo 2011-10-31 43 * setup_arch - high level architectural setup routine e03167b26b7fcf Richard Kuo 2011-10-31 44 * @cmdline_p: pointer to pointer to command-line arguments e03167b26b7fcf Richard Kuo 2011-10-31 45 */ e03167b26b7fcf Richard Kuo 2011-10-31 46 e03167b26b7fcf Richard Kuo 2011-10-31 47 void __init setup_arch(char **cmdline_p) e03167b26b7fcf Richard Kuo 2011-10-31 48 { 729d02cfab12be Brian Cain 2026-01-24 49 char *p = &external_buffer; 729d02cfab12be Brian Cain 2026-01-24 @50 void *dtb = &__dtb_start; e03167b26b7fcf Richard Kuo 2011-10-31 51 e03167b26b7fcf Richard Kuo 2011-10-31 52 /* e03167b26b7fcf Richard Kuo 2011-10-31 53 * Set up event bindings to handle exceptions and interrupts. e03167b26b7fcf Richard Kuo 2011-10-31 54 */ e03167b26b7fcf Richard Kuo 2011-10-31 55 __vmsetvec(_K_VM_event_vector); e03167b26b7fcf Richard Kuo 2011-10-31 56 2738f359b1dcae Randy Dunlap 2018-06-14 57 printk(KERN_INFO "PHYS_OFFSET=0x%08lx\n", PHYS_OFFSET); 729d02cfab12be Brian Cain 2026-01-24 58 /* initial machine setup from flattened device tree */ 729d02cfab12be Brian Cain 2026-01-24 59 mdesc = setup_machine_fdt(dtb); 729d02cfab12be Brian Cain 2026-01-24 60 729d02cfab12be Brian Cain 2026-01-24 61 if (!mdesc) 729d02cfab12be Brian Cain 2026-01-24 62 panic("setup_machine_fdt returned NULL\n"); 8f5a0b9dffeb3c Richard Kuo 2013-03-22 63 729d02cfab12be Brian Cain 2026-01-24 64 if (mdesc->setup_arch_platform) { 729d02cfab12be Brian Cain 2026-01-24 65 mdesc->setup_arch_platform(); 729d02cfab12be Brian Cain 2026-01-24 66 } 729d02cfab12be Brian Cain 2026-01-24 67 729d02cfab12be Brian Cain 2026-01-24 68 printk("vmversion=0x%08lx\n", vmversion); 729d02cfab12be Brian Cain 2026-01-24 69 printk("vm build id=0x%08lx\n", __vmgetinfo(vm_info_build_id)); 729d02cfab12be Brian Cain 2026-01-24 70 printk("boot_info=%p\n", boot_info); e03167b26b7fcf Richard Kuo 2011-10-31 71 /* 729d02cfab12be Brian Cain 2026-01-24 72 * Will need to work on boot specification. e03167b26b7fcf Richard Kuo 2011-10-31 73 */ 729d02cfab12be Brian Cain 2026-01-24 74 // Todo: seriously need to fix this for all platforms 729d02cfab12be Brian Cain 2026-01-24 75 #ifdef CONFIG_HEXAGON_MSM8960_FLUID 729d02cfab12be Brian Cain 2026-01-24 76 { 729d02cfab12be Brian Cain 2026-01-24 77 unsigned int *magic; 729d02cfab12be Brian Cain 2026-01-24 78 729d02cfab12be Brian Cain 2026-01-24 79 p = NULL; 729d02cfab12be Brian Cain 2026-01-24 80 for (magic = (unsigned int *)&external_buffer; 729d02cfab12be Brian Cain 2026-01-24 81 magic < ((unsigned int *)&external_buffer) + 32; magic++) { 729d02cfab12be Brian Cain 2026-01-24 82 if (*magic == 0x54410009) { 729d02cfab12be Brian Cain 2026-01-24 83 p = (char *)++magic; 729d02cfab12be Brian Cain 2026-01-24 84 break; 729d02cfab12be Brian Cain 2026-01-24 85 } 729d02cfab12be Brian Cain 2026-01-24 86 } 729d02cfab12be Brian Cain 2026-01-24 87 } 729d02cfab12be Brian Cain 2026-01-24 88 #endif e03167b26b7fcf Richard Kuo 2011-10-31 89 :::::: The code at line 50 was first introduced by commit :::::: 729d02cfab12bec2f3938c0eb76aa24a7c213866 hexagon: update boot and setup code :::::: TO: Brian Cain :::::: CC: Brian Cain -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki