Hi "Joel, Thank you for the patch! Yet something to improve: [auto build test ERROR on rcu/dev] [also build test ERROR on rcu/rcu/next next-20200327] [cannot apply to linus/master linux/master v5.6] [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/Joel-Fernandes-Google/kfree_rcu-improvements-for-rcu-dev/20200330-113719 base: https://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu.git dev config: i386-allyesconfig (attached as .config) compiler: gcc-7 (Debian 7.5.0-5) 7.5.0 reproduce: # save the attached .config to linux build tree make ARCH=i386 If you fix the issue, kindly add following tag Reported-by: kbuild test robot <lkp@xxxxxxxxx> All errors (new ones prefixed by >>): kernel/rcu/tree.c: In function 'debug_rcu_bhead_unqueue': >> kernel/rcu/tree.c:2880:2: error: 'for' loop initial declarations are only allowed in C99 or C11 mode for (int i = 0; i < bhead->nr_records; i++) ^~~ kernel/rcu/tree.c:2880:2: note: use option -std=c99, -std=gnu99, -std=c11 or -std=gnu11 to compile your code vim +/for +2880 kernel/rcu/tree.c 2875 2876 static __always_inline void 2877 debug_rcu_bhead_unqueue(struct kfree_rcu_bulk_data *bhead) 2878 { 2879 #ifdef CONFIG_DEBUG_OBJECTS_RCU_HEAD > 2880 for (int i = 0; i < bhead->nr_records; i++) 2881 debug_rcu_head_unqueue((struct rcu_head *)(bhead->records[i])); 2882 #endif 2883 } 2884 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
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