From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.17]) (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 8B1FB31F99B; Fri, 3 Jul 2026 19:29:17 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=192.198.163.17 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1783106959; cv=none; b=d3vz7Ob6SqEhZ7EaOJlGggLL45rWz2k0g28AcTsbten0Xi94MpC6ZVmTW+FMTbRmxizXLtdqu5IsbBx42BHMczQIjbWsdyhtk0uftScgUzReYe6Oc0MdGXqUDJbG+cMLn3s6N5WypovPX0cM5Tae4ULRBwTkxtx+bYX/1+Py5/8= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1783106959; c=relaxed/simple; bh=vTaR1g6T54cJDkpvbKKj9PFUPzFjn1HFzLQ8f7+7YBU=; h=Date:From:To:Cc:Subject:Message-ID; b=t+P6qTPNU9z6UCk8rWFoWrBoscJOtofHBZ1ZAmmXwZVIK1LTOUanQQKwGTzR+UgC7lnQ4KhjZmQ0Q9DthqLSmSzsv39wVBUjrDcIN2O+k9/hF1VDveto/uF7XFyIvO1vFb/SSDFM7GLjIfhkGNCFQ4QwpEAe++PXAGZx7N76oTk= 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=jXWXTXrc; arc=none smtp.client-ip=192.198.163.17 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="jXWXTXrc" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1783106956; x=1814642956; h=date:from:to:cc:subject:message-id; bh=vTaR1g6T54cJDkpvbKKj9PFUPzFjn1HFzLQ8f7+7YBU=; b=jXWXTXrc8GhMZbVQNAdCxiLefiTfiRjhX7veOoXJYuFXOiOGNILOr8FT YdXhFgmjYpM3ASodVUqhTRbTdrCMOBuHbJEkpDweQJycBPMntoYYvU/RM 6toH31H5bpDmumy0d/2VtOE83Zwccv1MwIXnZ8+DpUnkRaogRijqHByhZ TJubt7JbWUrlT+kvtWp8C7xxZs42BuzuZfOYm2dFnOnzJ2Vzpxoe9nav/ M2xvjLlU9KiSf48hWuvhpYYUbrW2fW5aAC7rKSuHgynomv5rxoBxg+HZw 5lFh0WFvuCV8Viqzz4kbdr+Wv0JDfmVXEi2CUzVJl7VbKAchfRu5JW1hc w==; X-CSE-ConnectionGUID: 0Y1DW+jXSAiLSvQqs3MJuQ== X-CSE-MsgGUID: ic+x51mRQfWJJe2cdKZZGQ== X-IronPort-AV: E=McAfee;i="6800,10657,11836"; a="83728447" X-IronPort-AV: E=Sophos;i="6.25,145,1779174000"; d="scan'208";a="83728447" Received: from fmviesa010.fm.intel.com ([10.60.135.150]) by fmvoesa111.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 03 Jul 2026 12:29:16 -0700 X-CSE-ConnectionGUID: kDl1u6wHRp6xq8y/u5km4A== X-CSE-MsgGUID: s9jKBi+JQEKI6B0nUQyp8Q== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.25,145,1779174000"; d="scan'208";a="249199102" Received: from lkp-server02.sh.intel.com (HELO ea128546eb3d) ([10.239.97.151]) by fmviesa010.fm.intel.com with ESMTP; 03 Jul 2026 12:29:15 -0700 Received: from kbuild by ea128546eb3d with local (Exim 4.98.2) (envelope-from ) id 1wfjZY-00000000CSn-35CN; Fri, 03 Jul 2026 19:29:12 +0000 Date: Sat, 04 Jul 2026 03:28:59 +0800 From: kernel test robot To: Richard Kuo Cc: llvm@lists.linux.dev, oe-kbuild-all@lists.linux.dev, Brian Cain Subject: [bcain:bcain/qemu_boot 26/62] arch/hexagon/kernel/devtree.c:104:36: error: redefinition of 'setup_machine_fdt' Message-ID: <202607040345.sN9KRMiW-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: a74f943885b7a0e655c7c47d4d02f852c12c1ce1 commit: 5ff1ea15270dcaa04752f16f8a9b055a6b013c6f [26/62] hexagon: add memory management enhancements config: hexagon-randconfig-001-20260703 (https://download.01.org/0day-ci/archive/20260704/202607040345.sN9KRMiW-lkp@intel.com/config) compiler: clang version 23.0.0git (https://github.com/llvm/llvm-project 0a2fb2a2269da0e2a3e230beb6cad39ca314db33) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260704/202607040345.sN9KRMiW-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/202607040345.sN9KRMiW-lkp@intel.com/ All errors (new ones prefixed by >>): arch/hexagon/kernel/devtree.c:17:13: warning: no previous prototype for function 'early_init_dt_add_memory_arch' [-Wmissing-prototypes] 17 | void __init early_init_dt_add_memory_arch(u64 base, u64 size) | ^ arch/hexagon/kernel/devtree.c:17:1: note: declare 'static' if the function is not intended to be used outside of this translation unit 17 | void __init early_init_dt_add_memory_arch(u64 base, u64 size) | ^ | static arch/hexagon/kernel/devtree.c:50:6: error: call to undeclared function 'of_get_flat_dt_prop'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] 50 | p = of_get_flat_dt_prop(node, "bootargs", &l); | ^ arch/hexagon/kernel/devtree.c:50:4: error: incompatible integer to pointer conversion assigning to 'char *' from 'int' [-Wint-conversion] 50 | p = of_get_flat_dt_prop(node, "bootargs", &l); | ^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ arch/hexagon/kernel/devtree.c:104:29: warning: attribute declaration must precede definition [-Wignored-attributes] 104 | const struct machine_desc * __init setup_machine_fdt(void *dt_phys) | ^ include/linux/init.h:45:17: note: expanded from macro '__init' 45 | #define __init __section(".init.text") __cold __latent_entropy \ | ^ include/linux/compiler_attributes.h:321:56: note: expanded from macro '__section' 321 | #define __section(section) __attribute__((__section__(section))) | ^ arch/hexagon/include/asm/prom.h:14:42: note: previous definition is here 14 | static inline const struct machine_desc *setup_machine_fdt(void *dt_phys) | ^ arch/hexagon/kernel/devtree.c:104:29: warning: attribute declaration must precede definition [-Wignored-attributes] 104 | const struct machine_desc * __init setup_machine_fdt(void *dt_phys) | ^ include/linux/init.h:45:41: note: expanded from macro '__init' 45 | #define __init __section(".init.text") __cold __latent_entropy \ | ^ include/linux/compiler_types.h:112:34: note: expanded from macro '__cold' 112 | #define __cold __attribute__((__cold__)) | ^ arch/hexagon/include/asm/prom.h:14:42: note: previous definition is here 14 | static inline const struct machine_desc *setup_machine_fdt(void *dt_phys) | ^ >> arch/hexagon/kernel/devtree.c:104:36: error: redefinition of 'setup_machine_fdt' 104 | const struct machine_desc * __init setup_machine_fdt(void *dt_phys) | ^ arch/hexagon/include/asm/prom.h:14:42: note: previous definition is here 14 | static inline const struct machine_desc *setup_machine_fdt(void *dt_phys) | ^ >> arch/hexagon/kernel/devtree.c:120:2: error: use of undeclared identifier 'initial_boot_params' 120 | initial_boot_params = dt_phys; | ^~~~~~~~~~~~~~~~~~~ arch/hexagon/kernel/devtree.c:126:23: error: use of undeclared identifier 'initial_boot_params' 126 | if (fdt_magic(initial_boot_params) != OF_DT_HEADER) { | ^~~~~~~~~~~~~~~~~~~ arch/hexagon/kernel/devtree.c:130:12: error: call to undeclared function 'of_get_flat_dt_root'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] 130 | dt_root = of_get_flat_dt_root(); | ^ arch/hexagon/kernel/devtree.c:132:15: error: call to undeclared function 'of_flat_dt_match_machine'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] 132 | mdesc_best = of_flat_dt_match_machine(NULL, arch_get_next_mach); | ^ arch/hexagon/kernel/devtree.c:132:13: error: incompatible integer to pointer conversion assigning to 'const struct machine_desc *' from 'int' [-Wint-conversion] 132 | mdesc_best = of_flat_dt_match_machine(NULL, arch_get_next_mach); | ^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ arch/hexagon/kernel/devtree.c:142:9: error: call to undeclared function 'early_init_dt_scan_root'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] 142 | early_init_dt_scan_root(); | ^ arch/hexagon/kernel/devtree.c:147:2: error: call to undeclared function 'early_init_dt_scan_chosen'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] 147 | early_init_dt_scan_chosen(boot_command_line); | ^ 3 warnings and 10 errors generated. vim +/setup_machine_fdt +104 arch/hexagon/kernel/devtree.c 91952c2b39cac1 Brian Cain 2026-01-24 89 9f79ac50516cbd Richard Kuo 2025-08-18 90 /* 9f79ac50516cbd Richard Kuo 2025-08-18 91 * setup_machine_fdt - set up machine based on dtb passed to kernel 9f79ac50516cbd Richard Kuo 2025-08-18 92 * @dt_phys: physical address of dtb 9f79ac50516cbd Richard Kuo 2025-08-18 93 * 9f79ac50516cbd Richard Kuo 2025-08-18 94 * Sets up some of the earliest stuff -- setting the machine type, 9f79ac50516cbd Richard Kuo 2025-08-18 95 * pulling the command line options, and finding the memory. 9f79ac50516cbd Richard Kuo 2025-08-18 96 * 9f79ac50516cbd Richard Kuo 2025-08-18 97 * Since we're calling this from setup_arch, this is going to happen 9f79ac50516cbd Richard Kuo 2025-08-18 98 * very, very early. Prior to even the bootmem being set up in the 9f79ac50516cbd Richard Kuo 2025-08-18 99 * old scheme I think. 9f79ac50516cbd Richard Kuo 2025-08-18 100 * 9f79ac50516cbd Richard Kuo 2025-08-18 101 * Also since we're always being fired up by the hypervisor, then 9f79ac50516cbd Richard Kuo 2025-08-18 102 * we are already running with the MMU on with an init segtable. 9f79ac50516cbd Richard Kuo 2025-08-18 103 */ 91952c2b39cac1 Brian Cain 2026-01-24 @104 const struct machine_desc * __init setup_machine_fdt(void *dt_phys) 9f79ac50516cbd Richard Kuo 2025-08-18 105 { 91952c2b39cac1 Brian Cain 2026-01-24 106 const struct machine_desc *mdesc_best = NULL; 9f79ac50516cbd Richard Kuo 2025-08-18 107 unsigned long dt_root; 9f79ac50516cbd Richard Kuo 2025-08-18 108 9f79ac50516cbd Richard Kuo 2025-08-18 109 #ifdef CONFIG_HEXAGON_MSM8974_FLUID 9f79ac50516cbd Richard Kuo 2025-08-18 110 // Fixme: use this for... everybody if possible 9f79ac50516cbd Richard Kuo 2025-08-18 111 // The "tags" struct or whatever provided by LK; currently stuffing it in the "external buffer" space. 9f79ac50516cbd Richard Kuo 2025-08-18 112 initial_boot_params = (void *) &external_buffer; 9f79ac50516cbd Richard Kuo 2025-08-18 113 dt_root = of_get_flat_dt_root(); 9f79ac50516cbd Richard Kuo 2025-08-18 114 of_scan_flat_dt(early_init_dt_scan_chosen_noinitrd, boot_command_line); 9f79ac50516cbd Richard Kuo 2025-08-18 115 #endif 9f79ac50516cbd Richard Kuo 2025-08-18 116 9f79ac50516cbd Richard Kuo 2025-08-18 117 /* reset global pointer that devtree uses to the proper blob */ 9f79ac50516cbd Richard Kuo 2025-08-18 118 #ifdef CONFIG_DTB_BUILTIN 9f79ac50516cbd Richard Kuo 2025-08-18 119 /* This is the label placed on the assembly blob; will already be in virtual space */ 9f79ac50516cbd Richard Kuo 2025-08-18 @120 initial_boot_params = dt_phys; 9f79ac50516cbd Richard Kuo 2025-08-18 121 #else 9f79ac50516cbd Richard Kuo 2025-08-18 122 initial_boot_params = phys_to_virt(dt_phys); 9f79ac50516cbd Richard Kuo 2025-08-18 123 #endif 9f79ac50516cbd Richard Kuo 2025-08-18 124 9f79ac50516cbd Richard Kuo 2025-08-18 125 /* check device tree validity */ 9f79ac50516cbd Richard Kuo 2025-08-18 126 if (fdt_magic(initial_boot_params) != OF_DT_HEADER) { 9f79ac50516cbd Richard Kuo 2025-08-18 127 return NULL; 9f79ac50516cbd Richard Kuo 2025-08-18 128 } 9f79ac50516cbd Richard Kuo 2025-08-18 129 9f79ac50516cbd Richard Kuo 2025-08-18 130 dt_root = of_get_flat_dt_root(); 9f79ac50516cbd Richard Kuo 2025-08-18 131 91952c2b39cac1 Brian Cain 2026-01-24 132 mdesc_best = of_flat_dt_match_machine(NULL, arch_get_next_mach); 9f79ac50516cbd Richard Kuo 2025-08-18 133 9f79ac50516cbd Richard Kuo 2025-08-18 134 if (!mdesc_best) { 9f79ac50516cbd Richard Kuo 2025-08-18 135 panic("Unrecognized device tree\n"); 9f79ac50516cbd Richard Kuo 2025-08-18 136 } 9f79ac50516cbd Richard Kuo 2025-08-18 137 9f79ac50516cbd Richard Kuo 2025-08-18 138 /* 9f79ac50516cbd Richard Kuo 2025-08-18 139 * Sets the top level address and size cells which are stored 9f79ac50516cbd Richard Kuo 2025-08-18 140 * in globals by the devtree infrastructure. 9f79ac50516cbd Richard Kuo 2025-08-18 141 */ 9f79ac50516cbd Richard Kuo 2025-08-18 142 early_init_dt_scan_root(); 9f79ac50516cbd Richard Kuo 2025-08-18 143 9f79ac50516cbd Richard Kuo 2025-08-18 144 /* Retrieve various information from the /chosen node */ 9f79ac50516cbd Richard Kuo 2025-08-18 145 #ifndef CONFIG_HEXAGON_MSM8974_FLUID 9f79ac50516cbd Richard Kuo 2025-08-18 146 // Fixme: do this consistently for platforms 9f79ac50516cbd Richard Kuo 2025-08-18 147 early_init_dt_scan_chosen(boot_command_line); 9f79ac50516cbd Richard Kuo 2025-08-18 148 #endif 9f79ac50516cbd Richard Kuo 2025-08-18 149 /* Setup memory */ 9f79ac50516cbd Richard Kuo 2025-08-18 150 //of_scan_flat_dt(early_init_dt_scan_memory, NULL); 9f79ac50516cbd Richard Kuo 2025-08-18 151 9f79ac50516cbd Richard Kuo 2025-08-18 152 return mdesc_best; 9f79ac50516cbd Richard Kuo 2025-08-18 153 } 9f79ac50516cbd Richard Kuo 2025-08-18 154 :::::: The code at line 104 was first introduced by commit :::::: 91952c2b39cac1067deaf43350d08ee44d08b2a9 arch/hexagon: fix kernel crash on unimplemented syscalls :::::: TO: Brian Cain :::::: CC: Brian Cain -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki