Hi Ravi, Thank you for the patch! Perhaps something to improve: [auto build test WARNING on tip/perf/core] [also build test WARNING on v4.18-rc1 next-20180619] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system] url: https://github.com/0day-ci/linux/commits/Ravi-Bangoria/Uprobes-Support-SDT-markers-having-reference-count-semaphore/20180620-120240 config: arm-allmodconfig (attached as .config) compiler: arm-linux-gnueabi-gcc (Debian 7.2.0-11) 7.2.0 reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # save the attached .config to linux build tree GCC_VERSION=7.2.0 make.cross ARCH=arm All warnings (new ones prefixed by >>): In file included from include/linux/swab.h:5:0, from include/uapi/linux/byteorder/big_endian.h:13, from include/linux/byteorder/big_endian.h:5, from arch/arm/include/uapi/asm/byteorder.h:20, from include/asm-generic/bitops/le.h:6, from arch/arm/include/asm/bitops.h:342, from include/linux/bitops.h:38, from include/linux/kernel.h:11, from arch/arm/probes/uprobes/core.c:9: arch/arm/probes/uprobes/core.c: In function 'set_swbp': arch/arm/probes/uprobes/core.c:36:32: error: dereferencing pointer to incomplete type 'struct uprobe' __opcode_to_mem_arm(uprobe->arch.bpinsn)); ^ include/uapi/linux/swab.h:114:54: note: in definition of macro '__swab32' #define __swab32(x) (__u32)__builtin_bswap32((__u32)(x)) ^ >> arch/arm/include/asm/opcodes.h:103:32: note: in expansion of macro '___opcode_swab32' #define __opcode_to_mem_arm(x) ___opcode_swab32(x) ^~~~~~~~~~~~~~~~ arch/arm/probes/uprobes/core.c:36:6: note: in expansion of macro '__opcode_to_mem_arm' __opcode_to_mem_arm(uprobe->arch.bpinsn)); ^~~~~~~~~~~~~~~~~~~ arch/arm/probes/uprobes/core.c:37:1: warning: control reaches end of non-void function [-Wreturn-type] } ^ vim +/___opcode_swab32 +103 arch/arm/include/asm/opcodes.h 57b9da32 Dave Martin 2012-09-03 102 0ce3de23 Dave Martin 2012-09-03 @103 #define __opcode_to_mem_arm(x) ___opcode_swab32(x) 0ce3de23 Dave Martin 2012-09-03 104 #define __opcode_to_mem_thumb16(x) ___opcode_swab16(x) 0ce3de23 Dave Martin 2012-09-03 105 #define __opcode_to_mem_thumb32(x) ___opcode_swahb32(x) 0ce3de23 Dave Martin 2012-09-03 106 #define ___asm_opcode_to_mem_arm(x) ___asm_opcode_swab32(x) 0ce3de23 Dave Martin 2012-09-03 107 #define ___asm_opcode_to_mem_thumb16(x) ___asm_opcode_swab16(x) 0ce3de23 Dave Martin 2012-09-03 108 #define ___asm_opcode_to_mem_thumb32(x) ___asm_opcode_swahb32(x) 57b9da32 Dave Martin 2012-09-03 109 :::::: The code at line 103 was first introduced by commit :::::: 0ce3de23f2a520a6ac8c2179fb8f88342c4992ef ARM: 7509/1: opcodes: Make opcode byteswapping macros assembly-compatible :::::: TO: Dave Martin <dave.martin@xxxxxxxxxx> :::::: CC: Russell King <rmk+kernel@xxxxxxxxxxxxxxxx> --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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