tree: https://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu.git rcu/test head: e4d26431bafa60b212117ec5750833d39ce1b2aa commit: f89bf7a94ffa9446a341fefc18153e8f9bebffbb [64/65] kvm: mmu: page_track: Fix RCU list API usage config: x86_64-randconfig-a011-20200713 (attached as .config) compiler: clang version 11.0.0 (https://github.com/llvm/llvm-project 02946de3802d3bc65bc9f2eb9b8d4969b5a7add8) 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 # install x86_64 cross compiling tool for clang build # apt-get install binutils-x86-64-linux-gnu git checkout f89bf7a94ffa9446a341fefc18153e8f9bebffbb # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=x86_64 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 >>): hlist_for_each_entry_srcu(n, &head->track_notifier_list, node, ^ include/linux/rculist.h:727:30: note: expanded from macro 'hlist_for_each_entry_srcu' for (__list_check_srcu(cond), \ ^ arch/x86/kvm/mmu/page_track.c:258:2: error: expected expression hlist_for_each_entry_srcu(n, &head->track_notifier_list, node, ^ include/linux/rculist.h:727:30: note: expanded from macro 'hlist_for_each_entry_srcu' for (__list_check_srcu(cond), \ ^ 2 errors generated. vim +232 arch/x86/kvm/mmu/page_track.c 211 212 /* 213 * Notify the node that write access is intercepted and write emulation is 214 * finished at this time. 215 * 216 * The node should figure out if the written page is the one that node is 217 * interested in by itself. 218 */ 219 void kvm_page_track_write(struct kvm_vcpu *vcpu, gpa_t gpa, const u8 *new, 220 int bytes) 221 { 222 struct kvm_page_track_notifier_head *head; 223 struct kvm_page_track_notifier_node *n; 224 int idx; 225 226 head = &vcpu->kvm->arch.track_notifier_head; 227 228 if (hlist_empty(&head->track_notifier_list)) 229 return; 230 231 idx = srcu_read_lock(&head->track_srcu); 233 srcu_read_lock_held(&head->track_srcu)) 234 if (n->track_write) 235 n->track_write(vcpu, gpa, new, bytes, n); 236 srcu_read_unlock(&head->track_srcu, idx); 237 } 238 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org