Hi, [auto build test ERROR on rcu/rcu/next] [cannot apply to v4.6 next-20160519] [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/Mark-Rutland/rcu-tree-correctly-handle-sparse-possible-CPUs/20160517-182533 base: https://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu.git rcu/next config: x86_64-randconfig-s5-05172218 (attached as .config) compiler: gcc-6 (Debian 6.1.1-1) 6.1.1 20160430 reproduce: # save the attached .config to linux build tree make ARCH=x86_64 Note: the linux-review/Mark-Rutland/rcu-tree-correctly-handle-sparse-possible-CPUs/20160517-182533 HEAD 63c5ae5d92c6952c029738ca1dd3382ce8b1cf4d builds fine. It only hurts bisectibility. All errors (new ones prefixed by >>): In file included from kernel/rcu/tree.c:4209:0: kernel/rcu/tree_plugin.h: In function 'rcu_boost_kthread_setaffinity': kernel/rcu/tree_plugin.h:1168:2: error: implicit declaration of function 'for_each_leaf_node_cpu_bit' [-Werror=implicit-function-declaration] for_each_leaf_node_cpu_bit(rnp, cpu, bit) ^~~~~~~~~~~~~~~~~~~~~~~~~~ >> kernel/rcu/tree_plugin.h:1169:3: error: expected ';' before 'if' if ((mask & bit) && cpu != outgoingcpu) ^~ kernel/rcu/tree_plugin.h:1159:16: warning: unused variable 'mask' [-Wunused-variable] unsigned long mask = rcu_rnp_online_cpus(rnp); ^~~~ cc1: some warnings being treated as errors vim +1169 kernel/rcu/tree_plugin.h 1162 int cpu; 1163 1164 if (!t) 1165 return; 1166 if (!zalloc_cpumask_var(&cm, GFP_KERNEL)) 1167 return; > 1168 for_each_leaf_node_cpu_bit(rnp, cpu, bit) > 1169 if ((mask & bit) && cpu != outgoingcpu) 1170 cpumask_set_cpu(cpu, cm); 1171 if (cpumask_weight(cm) == 0) 1172 cpumask_setall(cm); --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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