Hi Gautham, Thank you for the patch! Yet something to improve:
[auto build test ERROR on powerpc/next] [also build test ERROR on v4.19-rc4 next-20180919] [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/Gautham-R-Shenoy/powerpc-Detection-and-scheduler-optimization-for-POWER9-bigcore/20180921-085812 base: https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git next config: powerpc-mpc837x_mds_defconfig (attached as .config) compiler: powerpc-linux-gnu-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=powerpc All errors (new ones prefixed by >>): arch/powerpc/kernel/sysfs.c: In function 'smallcore_thread_siblings_show': >> arch/powerpc/kernel/sysfs.c:724:45: error: implicit declaration of function >> 'cpu_smallcore_mask'; did you mean 'cpu_all_mask'? >> [-Werror=implicit-function-declaration] return cpumap_print_to_pagebuf(false, buf, cpu_smallcore_mask(cpu)); ^~~~~~~~~~~~~~~~~~ cpu_all_mask >> arch/powerpc/kernel/sysfs.c:724:45: error: passing argument 3 of >> 'cpumap_print_to_pagebuf' makes pointer from integer without a cast >> [-Werror=int-conversion] In file included from include/linux/rcupdate.h:44:0, from include/linux/radix-tree.h:28, from include/linux/idr.h:15, from include/linux/kernfs.h:14, from include/linux/sysfs.h:16, from include/linux/kobject.h:20, from include/linux/device.h:16, from arch/powerpc/kernel/sysfs.c:1: include/linux/cpumask.h:892:1: note: expected 'const struct cpumask *' but argument is of type 'int' cpumap_print_to_pagebuf(bool list, char *buf, const struct cpumask *mask) ^~~~~~~~~~~~~~~~~~~~~~~ arch/powerpc/kernel/sysfs.c: In function 'smallcore_thread_siblings_list_show': arch/powerpc/kernel/sysfs.c:734:44: error: passing argument 3 of 'cpumap_print_to_pagebuf' makes pointer from integer without a cast [-Werror=int-conversion] return cpumap_print_to_pagebuf(true, buf, cpu_smallcore_mask(cpu)); ^~~~~~~~~~~~~~~~~~ In file included from include/linux/rcupdate.h:44:0, from include/linux/radix-tree.h:28, from include/linux/idr.h:15, from include/linux/kernfs.h:14, from include/linux/sysfs.h:16, from include/linux/kobject.h:20, from include/linux/device.h:16, from arch/powerpc/kernel/sysfs.c:1: include/linux/cpumask.h:892:1: note: expected 'const struct cpumask *' but argument is of type 'int' cpumap_print_to_pagebuf(bool list, char *buf, const struct cpumask *mask) ^~~~~~~~~~~~~~~~~~~~~~~ cc1: all warnings being treated as errors vim +724 arch/powerpc/kernel/sysfs.c 717 718 static ssize_t smallcore_thread_siblings_show(struct device *dev, 719 struct device_attribute *attr, 720 char *buf) 721 { 722 int cpu = dev->id; 723 > 724 return cpumap_print_to_pagebuf(false, buf, > cpu_smallcore_mask(cpu)); 725 } 726 static DEVICE_ATTR_RO(smallcore_thread_siblings); 727 --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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