Hi Sourabh, Thank you for the patch! Yet something to improve: [auto build test ERROR on powerpc/next] [also build test ERROR on v5.4-rc8 next-20191122] [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/Sourabh-Jain/reorganize-and-add-FADump-sysfs-files/20191110-091753 base: https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git next config: powerpc-rhel-kconfig (attached as .config) compiler: powerpc64le-linux-gcc (GCC) 7.4.0 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=7.4.0 make.cross ARCH=powerpc If you fix the issue, kindly add following tag Reported-by: kbuild test robot All errors (new ones prefixed by >>): arch/powerpc/platforms/powernv/opal-core.c: In function 'opalcore_init': >> arch/powerpc/platforms/powernv/opal-core.c:632:25: error: 'fadump_kobj' undeclared (first use in this function); did you mean 'fadump_ops'? rc = sysfs_create_file(fadump_kobj, &opalcore_rel_attr.attr); ^~~~~~~~~~~ fadump_ops arch/powerpc/platforms/powernv/opal-core.c:632:25: note: each undeclared identifier is reported only once for each function it appears in vim +632 arch/powerpc/platforms/powernv/opal-core.c 591 592 static struct kobj_attribute opalcore_rel_attr = __ATTR(release_opalcore, 593 0200, NULL, 594 fadump_release_opalcore_store); 595 596 static int __init opalcore_init(void) 597 { 598 int rc = -1; 599 600 opalcore_config_init(); 601 602 if (oc_conf == NULL) 603 return rc; 604 605 create_opalcore(); 606 607 /* 608 * If oc_conf->opalcorebuf= is set in the 2nd kernel, 609 * then capture the dump. 610 */ 611 if (!(is_opalcore_usable())) { 612 pr_err("Failed to export /sys/firmware/opal/core\n"); 613 opalcore_cleanup(); 614 return rc; 615 } 616 617 /* Set OPAL core file size */ 618 opal_core_attr.size = oc_conf->opalcore_size; 619 620 /* Export OPAL core sysfs file */ 621 rc = sysfs_create_bin_file(opal_kobj, &opal_core_attr); 622 if (rc != 0) { 623 pr_err("Failed to export /sys/firmware/opal/core\n"); 624 opalcore_cleanup(); 625 return rc; 626 } 627 628 /* 629 * Originally fadump_release_opalcore sysfs was part of kernel_kobj 630 * later moved to fadump_kobj and renamed to release_opalcore. 631 */ > 632 rc = sysfs_create_file(fadump_kobj, &opalcore_rel_attr.attr); --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org Intel Corporation