Hi Arnd, [auto build test ERROR on linus/master] [also build test ERROR on v4.11 next-20170511] [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/Arnd-Bergmann/smp_call_function-use-inline-helpers-instead-of-macros/20170512-004338 config: mips-ip32_defconfig (attached as .config) compiler: mips64-linux-gnuabi64-gcc (Debian 6.1.1-9) 6.1.1 20160705 reproduce: wget https://raw.githubusercontent.com/01org/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # save the attached .config to linux build tree make.cross ARCH=mips All errors (new ones prefixed by >>): arch/mips/mm/c-r4k.c: In function 'r4k_on_each_cpu': >> arch/mips/mm/c-r4k.c:101:27: error: 'cpu_foreign_map' undeclared (first use >> in this function) smp_call_function_many(&cpu_foreign_map[smp_processor_id()], ^~~~~~~~~~~~~~~ arch/mips/mm/c-r4k.c:101:27: note: each undeclared identifier is reported only once for each function it appears in vim +/cpu_foreign_map +101 arch/mips/mm/c-r4k.c d374d9374 James Hogan 2016-07-13 85 } d374d9374 James Hogan 2016-07-13 86 d374d9374 James Hogan 2016-07-13 87 /* 7f3f1d01a Ralf Baechle 2006-05-12 88 * Special Variant of smp_call_function for use by cache functions: 7f3f1d01a Ralf Baechle 2006-05-12 89 * 7f3f1d01a Ralf Baechle 2006-05-12 90 * o No return value 7f3f1d01a Ralf Baechle 2006-05-12 91 * o collapses to normal function call on UP kernels 7f3f1d01a Ralf Baechle 2006-05-12 92 * o collapses to normal function call on systems with a single shared 7f3f1d01a Ralf Baechle 2006-05-12 93 * primary cache. c8c5f3fd9 Ralf Baechle 2010-10-29 94 * o doesn't disable interrupts on the local CPU 7f3f1d01a Ralf Baechle 2006-05-12 95 */ d374d9374 James Hogan 2016-07-13 96 static inline void r4k_on_each_cpu(unsigned int type, d374d9374 James Hogan 2016-07-13 97 void (*func)(void *info), void *info) 7f3f1d01a Ralf Baechle 2006-05-12 98 { 7f3f1d01a Ralf Baechle 2006-05-12 99 preempt_disable(); d374d9374 James Hogan 2016-07-13 100 if (r4k_op_needs_ipi(type)) 640511ae9 James Hogan 2016-07-13 @101 smp_call_function_many(&cpu_foreign_map[smp_processor_id()], 640511ae9 James Hogan 2016-07-13 102 func, info, 1); 7f3f1d01a Ralf Baechle 2006-05-12 103 func(info); 7f3f1d01a Ralf Baechle 2006-05-12 104 preempt_enable(); 7f3f1d01a Ralf Baechle 2006-05-12 105 } 7f3f1d01a Ralf Baechle 2006-05-12 106 ec74e361f Ralf Baechle 2005-07-13 107 /* ec74e361f Ralf Baechle 2005-07-13 108 * Must die. ec74e361f Ralf Baechle 2005-07-13 109 */ :::::: The code at line 101 was first introduced by commit :::::: 640511ae92466800c75da77a3c7f72b8488c93a1 MIPS: c-r4k: Exclude sibling CPUs in SMP calls :::::: TO: James Hogan <[email protected]> :::::: CC: Ralf Baechle <[email protected]> --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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