tree: https://git.kernel.org/pub/scm/linux/kernel/git/mcgrof/linux-next.git 20210813-sysfs-fixes-v8 head: f5b8aadeca76656caad8bccc795bfe7b0730230a commit: da898d13309d7b2855a74ee4e49e0fb43a55a2f1 [7/10] sysfs: fix deadlock race with module removal config: x86_64-randconfig-a013-20210814 (attached as .config) compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project 1f7b25ea76a925aca690da28de9d78db7ca99d0c) reproduce (this is a W=1 build): wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # https://git.kernel.org/pub/scm/linux/kernel/git/mcgrof/linux-next.git/com... git remote add mcgrof-next https://git.kernel.org/pub/scm/linux/kernel/git/mcgrof/linux-next.git git fetch --no-tags mcgrof-next 20210813-sysfs-fixes-v8 git checkout da898d13309d7b2855a74ee4e49e0fb43a55a2f1 # save the attached .config to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross O=build_dir ARCH=x86_64 SHELL=/bin/bash If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All errors (new ones prefixed by >>): 0, rft->kf_ops, rft, NULL, NULL); ^ include/linux/kernfs.h:382:21: note: '__kernfs_create_file' declared here struct kernfs_node *__kernfs_create_file(struct kernfs_node *parent, ^ arch/x86/kernel/cpu/resctrl/rdtgroup.c:2485:40: error: too few arguments to function call, expected 11, have 10 &kf_mondata_ops, priv, NULL, NULL); ^ include/linux/kernfs.h:382:21: note: '__kernfs_create_file' declared here struct kernfs_node *__kernfs_create_file(struct kernfs_node *parent, ^ 2 errors generated. vim +212 arch/x86/kernel/cpu/resctrl/rdtgroup.c 4e978d06dedb82 arch/x86/kernel/cpu/intel_rdt_rdtgroup.c Fenghua Yu 2016-10-28 204 4e978d06dedb82 arch/x86/kernel/cpu/intel_rdt_rdtgroup.c Fenghua Yu 2016-10-28 205 static int rdtgroup_add_file(struct kernfs_node *parent_kn, struct rftype *rft) 4e978d06dedb82 arch/x86/kernel/cpu/intel_rdt_rdtgroup.c Fenghua Yu 2016-10-28 206 { 4e978d06dedb82 arch/x86/kernel/cpu/intel_rdt_rdtgroup.c Fenghua Yu 2016-10-28 207 struct kernfs_node *kn; 4e978d06dedb82 arch/x86/kernel/cpu/intel_rdt_rdtgroup.c Fenghua Yu 2016-10-28 208 int ret; 4e978d06dedb82 arch/x86/kernel/cpu/intel_rdt_rdtgroup.c Fenghua Yu 2016-10-28 209 4e978d06dedb82 arch/x86/kernel/cpu/intel_rdt_rdtgroup.c Fenghua Yu 2016-10-28 210 kn = __kernfs_create_file(parent_kn, rft->name, rft->mode, 488dee96bb62f0 arch/x86/kernel/cpu/intel_rdt_rdtgroup.c Dmitry Torokhov 2018-07-20 211 GLOBAL_ROOT_UID, GLOBAL_ROOT_GID, 4e978d06dedb82 arch/x86/kernel/cpu/intel_rdt_rdtgroup.c Fenghua Yu 2016-10-28 @212 0, rft->kf_ops, rft, NULL, NULL); 4e978d06dedb82 arch/x86/kernel/cpu/intel_rdt_rdtgroup.c Fenghua Yu 2016-10-28 213 if (IS_ERR(kn)) 4e978d06dedb82 arch/x86/kernel/cpu/intel_rdt_rdtgroup.c Fenghua Yu 2016-10-28 214 return PTR_ERR(kn); 4e978d06dedb82 arch/x86/kernel/cpu/intel_rdt_rdtgroup.c Fenghua Yu 2016-10-28 215 4e978d06dedb82 arch/x86/kernel/cpu/intel_rdt_rdtgroup.c Fenghua Yu 2016-10-28 216 ret = rdtgroup_kn_set_ugid(kn); 4e978d06dedb82 arch/x86/kernel/cpu/intel_rdt_rdtgroup.c Fenghua Yu 2016-10-28 217 if (ret) { 4e978d06dedb82 arch/x86/kernel/cpu/intel_rdt_rdtgroup.c Fenghua Yu 2016-10-28 218 kernfs_remove(kn); 4e978d06dedb82 arch/x86/kernel/cpu/intel_rdt_rdtgroup.c Fenghua Yu 2016-10-28 219 return ret; 4e978d06dedb82 arch/x86/kernel/cpu/intel_rdt_rdtgroup.c Fenghua Yu 2016-10-28 220 } 4e978d06dedb82 arch/x86/kernel/cpu/intel_rdt_rdtgroup.c Fenghua Yu 2016-10-28 221 4e978d06dedb82 arch/x86/kernel/cpu/intel_rdt_rdtgroup.c Fenghua Yu 2016-10-28 222 return 0; 4e978d06dedb82 arch/x86/kernel/cpu/intel_rdt_rdtgroup.c Fenghua Yu 2016-10-28 223 } 4e978d06dedb82 arch/x86/kernel/cpu/intel_rdt_rdtgroup.c Fenghua Yu 2016-10-28 224 :::::: The code at line 212 was first introduced by commit :::::: 4e978d06dedb8207b298a5a8a49fce4b2ab80d12 x86/intel_rdt: Add "info" files to resctrl file system :::::: TO: Fenghua Yu <fenghua.yu(a)intel.com&gt; :::::: CC: Thomas Gleixner <tglx(a)linutronix.de&gt; --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org