Hi "Gautham, Thank you for the patch! Yet something to improve:
[auto build test ERROR on powerpc/next] [also build test ERROR on v5.4 next-20191203] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system. BTW, we also suggest to use '--base' option to specify the base tree in git format-patch, please see https://stackoverflow.com/a/37406982] url: https://github.com/0day-ci/linux/commits/Gautham-R-Shenoy/powerpc-pseries-Account-for-SPURR-ticks-on-idle-CPUs/20191127-234537 base: https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git next config: powerpc-allnoconfig (attached as .config) compiler: powerpc-linux-gcc (GCC) 7.5.0 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=7.5.0 make.cross ARCH=powerpc If you fix the issue, kindly add following tag Reported-by: kbuild test robot <l...@intel.com> Note: the linux-review/Gautham-R-Shenoy/powerpc-pseries-Account-for-SPURR-ticks-on-idle-CPUs/20191127-234537 HEAD 54932d09dae77a0b15c47c7e51f0fb6e7d34900f builds fine. It only hurts bisectibility. All errors (new ones prefixed by >>): arch/powerpc/kernel/sysfs.c: In function 'idle_purr_show': >> arch/powerpc/kernel/sysfs.c:1052:34: error: 'paca_ptrs' undeclared (first >> use in this function); did you mean 'hash_ptr'? struct lppaca *cpu_lppaca_ptr = paca_ptrs[cpuid]->lppaca_ptr; ^~~~~~~~~ hash_ptr arch/powerpc/kernel/sysfs.c:1052:34: note: each undeclared identifier is reported only once for each function it appears in In file included from include/linux/byteorder/big_endian.h:5:0, from arch/powerpc/include/uapi/asm/byteorder.h:14, from include/asm-generic/bitops/le.h:6, from arch/powerpc/include/asm/bitops.h:243, from include/linux/bitops.h:26, from include/linux/kernel.h:12, from include/linux/list.h:9, from include/linux/kobject.h:19, from include/linux/device.h:16, from arch/powerpc/kernel/sysfs.c:2: >> arch/powerpc/kernel/sysfs.c:1053:51: error: dereferencing pointer to >> incomplete type 'struct lppaca' u64 idle_purr_cycles = be64_to_cpu(cpu_lppaca_ptr->wait_state_cycles); ^ include/uapi/linux/byteorder/big_endian.h:38:51: note: in definition of macro '__be64_to_cpu' #define __be64_to_cpu(x) ((__force __u64)(__be64)(x)) ^ arch/powerpc/kernel/sysfs.c:1053:25: note: in expansion of macro 'be64_to_cpu' u64 idle_purr_cycles = be64_to_cpu(cpu_lppaca_ptr->wait_state_cycles); ^~~~~~~~~~~ vim +1052 arch/powerpc/kernel/sysfs.c 1046 1047 static ssize_t idle_purr_show(struct device *dev, 1048 struct device_attribute *attr, char *buf) 1049 { 1050 struct cpu *cpu = container_of(dev, struct cpu, dev); 1051 unsigned int cpuid = cpu->dev.id; > 1052 struct lppaca *cpu_lppaca_ptr = paca_ptrs[cpuid]->lppaca_ptr; > 1053 u64 idle_purr_cycles = > be64_to_cpu(cpu_lppaca_ptr->wait_state_cycles); 1054 1055 return sprintf(buf, "%llx\n", idle_purr_cycles); 1056 } 1057 static DEVICE_ATTR_RO(idle_purr); 1058 --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/hyperkitty/list/kbuild-...@lists.01.org Intel Corporation
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