From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mga05.intel.com (mga05.intel.com [192.55.52.43]) (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 4635B17E6; Fri, 20 Jan 2023 10:21:58 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1674210118; x=1705746118; h=date:from:to:cc:subject:message-id:mime-version; bh=XyT1HyQebNHPSHKbRZII44QqKqxeBiybIZwwJCwDm9c=; b=B7GnIgyr3fKKkFHMwYF2Kqeq4ppLCrTCpN3L7obyKcjsBP4M5b4skZyT L3GJ50UA0t6waBknWcboLzCR+IcYvhSoJJk9nxrjuo3SWoOWPZRyOQ0Dh CzNZ2yyOPO9D4yN4gb7BRZcvJT/loEusS+jsuIK98QefA83e+IQCQmieb ior2TAwhaDp3l/B0KpCRZqvMdS1a0s0Dc5u0rNMtSOvTAGP8mEiibOoa9 mMDZ04blNMloKDOHW65sNDzkSrOd+tzdTEoT9Hf8yVxOH+oofb8uvt+/7 5C+lUxeZOHGShRiNJyW9tnEOFdOZ7mJvvIVw03lR/r7ob+rB8MVuJIwm7 w==; X-IronPort-AV: E=McAfee;i="6500,9779,10595"; a="411781195" X-IronPort-AV: E=Sophos;i="5.97,231,1669104000"; d="scan'208";a="411781195" Received: from orsmga006.jf.intel.com ([10.7.209.51]) by fmsmga105.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 20 Jan 2023 02:21:57 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6500,9779,10595"; a="638115166" X-IronPort-AV: E=Sophos;i="5.97,231,1669104000"; d="scan'208";a="638115166" Received: from lkp-server01.sh.intel.com (HELO 5646d64e7320) ([10.239.97.150]) by orsmga006.jf.intel.com with ESMTP; 20 Jan 2023 02:21:55 -0800 Received: from kbuild by 5646d64e7320 with local (Exim 4.96) (envelope-from ) id 1pIoWx-0002TG-0c; Fri, 20 Jan 2023 10:21:55 +0000 Date: Fri, 20 Jan 2023 18:21:15 +0800 From: kernel test robot To: "Madhavan T. Venkataraman" Cc: llvm@lists.linux.dev, oe-kbuild-all@lists.linux.dev, Suraj Jitindar Singh Subject: [madvenka786:orc_v3 20/21] kernel/trace/ftrace.c:2766:13: error: redefinition of 'ftrace_instruction_pointer_set' Message-ID: <202301201855.2M51dYdX-lkp@intel.com> 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 tree: https://github.com/madvenka786/linux orc_v3 head: a0c212ed0823caa5a7ec431d3a5ec07b46964384 commit: 1fabd84ba1fcc2dffd5d1c9cdb4844f780947738 [20/21] arm64: Miscellaneous changes required for enabling livepatch config: s390-randconfig-r044-20230119 (https://download.01.org/0day-ci/archive/20230120/202301201855.2M51dYdX-lkp@intel.com/config) compiler: clang version 16.0.0 (https://github.com/llvm/llvm-project 4196ca3278f78c6e19246e54ab0ecb364e37d66a) reproduce (this is a W=1 build): wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # install s390 cross compiling tool for clang build # apt-get install binutils-s390x-linux-gnu # https://github.com/madvenka786/linux/commit/1fabd84ba1fcc2dffd5d1c9cdb4844f780947738 git remote add madvenka786 https://github.com/madvenka786/linux git fetch --no-tags madvenka786 orc_v3 git checkout 1fabd84ba1fcc2dffd5d1c9cdb4844f780947738 # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=s390 olddefconfig COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=s390 SHELL=/bin/bash If you fix the issue, kindly add following tag where applicable | Reported-by: kernel test robot All errors (new ones prefixed by >>): In file included from kernel/trace/ftrace.c:18: In file included from include/linux/clocksource.h:22: In file included from arch/s390/include/asm/io.h:75: include/asm-generic/io.h:547:31: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] val = __raw_readb(PCI_IOBASE + addr); ~~~~~~~~~~ ^ include/asm-generic/io.h:560:61: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] val = __le16_to_cpu((__le16 __force)__raw_readw(PCI_IOBASE + addr)); ~~~~~~~~~~ ^ include/uapi/linux/byteorder/big_endian.h:37:59: note: expanded from macro '__le16_to_cpu' #define __le16_to_cpu(x) __swab16((__force __u16)(__le16)(x)) ^ include/uapi/linux/swab.h:102:54: note: expanded from macro '__swab16' #define __swab16(x) (__u16)__builtin_bswap16((__u16)(x)) ^ In file included from kernel/trace/ftrace.c:18: In file included from include/linux/clocksource.h:22: In file included from arch/s390/include/asm/io.h:75: include/asm-generic/io.h:573:61: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] val = __le32_to_cpu((__le32 __force)__raw_readl(PCI_IOBASE + addr)); ~~~~~~~~~~ ^ include/uapi/linux/byteorder/big_endian.h:35:59: note: expanded from macro '__le32_to_cpu' #define __le32_to_cpu(x) __swab32((__force __u32)(__le32)(x)) ^ include/uapi/linux/swab.h:115:54: note: expanded from macro '__swab32' #define __swab32(x) (__u32)__builtin_bswap32((__u32)(x)) ^ In file included from kernel/trace/ftrace.c:18: In file included from include/linux/clocksource.h:22: In file included from arch/s390/include/asm/io.h:75: include/asm-generic/io.h:584:33: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] __raw_writeb(value, PCI_IOBASE + addr); ~~~~~~~~~~ ^ include/asm-generic/io.h:594:59: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] __raw_writew((u16 __force)cpu_to_le16(value), PCI_IOBASE + addr); ~~~~~~~~~~ ^ include/asm-generic/io.h:604:59: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] __raw_writel((u32 __force)cpu_to_le32(value), PCI_IOBASE + addr); ~~~~~~~~~~ ^ include/asm-generic/io.h:692:20: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] readsb(PCI_IOBASE + addr, buffer, count); ~~~~~~~~~~ ^ include/asm-generic/io.h:700:20: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] readsw(PCI_IOBASE + addr, buffer, count); ~~~~~~~~~~ ^ include/asm-generic/io.h:708:20: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] readsl(PCI_IOBASE + addr, buffer, count); ~~~~~~~~~~ ^ include/asm-generic/io.h:717:21: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] writesb(PCI_IOBASE + addr, buffer, count); ~~~~~~~~~~ ^ include/asm-generic/io.h:726:21: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] writesw(PCI_IOBASE + addr, buffer, count); ~~~~~~~~~~ ^ include/asm-generic/io.h:735:21: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] writesl(PCI_IOBASE + addr, buffer, count); ~~~~~~~~~~ ^ kernel/trace/ftrace.c:299:5: warning: no previous prototype for function '__register_ftrace_function' [-Wmissing-prototypes] int __register_ftrace_function(struct ftrace_ops *ops) ^ kernel/trace/ftrace.c:299:1: note: declare 'static' if the function is not intended to be used outside of this translation unit int __register_ftrace_function(struct ftrace_ops *ops) ^ static kernel/trace/ftrace.c:342:5: warning: no previous prototype for function '__unregister_ftrace_function' [-Wmissing-prototypes] int __unregister_ftrace_function(struct ftrace_ops *ops) ^ kernel/trace/ftrace.c:342:1: note: declare 'static' if the function is not intended to be used outside of this translation unit int __unregister_ftrace_function(struct ftrace_ops *ops) ^ static kernel/trace/ftrace.c:2766:6: warning: attribute declaration must precede definition [-Wignored-attributes] void __weak ftrace_instruction_pointer_set(struct ftrace_regs *fregs, ^ include/linux/compiler_attributes.h:373:56: note: expanded from macro '__weak' #define __weak __attribute__((__weak__)) ^ arch/s390/include/asm/ftrace.h:57:29: note: previous definition is here static __always_inline void ftrace_instruction_pointer_set(struct ftrace_regs *fregs, ^ >> kernel/trace/ftrace.c:2766:13: error: redefinition of 'ftrace_instruction_pointer_set' void __weak ftrace_instruction_pointer_set(struct ftrace_regs *fregs, ^ arch/s390/include/asm/ftrace.h:57:29: note: previous definition is here static __always_inline void ftrace_instruction_pointer_set(struct ftrace_regs *fregs, ^ kernel/trace/ftrace.c:4004:15: warning: no previous prototype for function 'arch_ftrace_match_adjust' [-Wmissing-prototypes] char * __weak arch_ftrace_match_adjust(char *str, const char *search) ^ kernel/trace/ftrace.c:4004:1: note: declare 'static' if the function is not intended to be used outside of this translation unit char * __weak arch_ftrace_match_adjust(char *str, const char *search) ^ static 16 warnings and 1 error generated. vim +/ftrace_instruction_pointer_set +2766 kernel/trace/ftrace.c 2765 > 2766 void __weak ftrace_instruction_pointer_set(struct ftrace_regs *fregs, 2767 unsigned long pc) 2768 { 2769 } 2770 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests