Hi Andrey, [auto build test ERROR on v4.6-rc3] [also build test ERROR on next-20160411] [if your patch is applied to the wrong git tree, please drop us a note to help improving the system]
url: https://github.com/0day-ci/linux/commits/Andrey-Vagin/task_diag-add-a-new-interface-to-get-information-about-processes-v3/20160412-074109 config: microblaze-allmodconfig (attached as .config) reproduce: wget https://git.kernel.org/cgit/linux/kernel/git/wfg/lkp-tests.git/plain/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # save the attached .config to linux build tree make.cross ARCH=microblaze Note: the linux-review/Andrey-Vagin/task_diag-add-a-new-interface-to-get-information-about-processes-v3/20160412-074109 HEAD 2e0f174ce7e6fddc8fdd89f3dbb8d990626358a0 builds fine. It only hurts bisectibility. All errors (new ones prefixed by >>): >> fs/proc/task_diag.c:139:19: error: field 'tgid' has incomplete type struct tgid_iter tgid; ^ fs/proc/task_diag.c: In function 'iter_start': >> fs/proc/task_diag.c:187:3: error: implicit declaration of function >> 'next_tgid' [-Werror=implicit-function-declaration] iter->tgid = next_tgid(iter->ns, iter->tgid); ^ cc1: some warnings being treated as errors vim +/tgid +139 fs/proc/task_diag.c 133 struct task_diag_pid req; 134 struct pid_namespace *ns; 135 struct task_struct *parent; 136 137 struct task_diag_cb *cb; 138 > 139 struct tgid_iter tgid; 140 unsigned int pos; 141 struct task_struct *task; 142 }; 143 144 static void iter_stop(struct task_iter *iter) 145 { 146 struct task_struct *task; 147 148 if (iter->parent) 149 put_task_struct(iter->parent); 150 151 switch (iter->req.dump_strategy) { 152 case TASK_DIAG_DUMP_ALL: 153 task = iter->tgid.task; 154 break; 155 default: 156 task = iter->task; 157 } 158 if (task) 159 put_task_struct(task); 160 } 161 162 static struct task_struct *iter_start(struct task_iter *iter) 163 { 164 if (iter->req.pid > 0) { 165 rcu_read_lock(); 166 iter->parent = find_task_by_pid_ns(iter->req.pid, iter->ns); 167 if (iter->parent) 168 get_task_struct(iter->parent); 169 rcu_read_unlock(); 170 } 171 172 switch (iter->req.dump_strategy) { 173 case TASK_DIAG_DUMP_ONE: 174 if (iter->parent == NULL) 175 return ERR_PTR(-ESRCH); 176 iter->pos = iter->cb->pos; 177 if (iter->pos == 0) { 178 iter->task = iter->parent; 179 iter->parent = NULL; 180 } else 181 iter->task = NULL; 182 return iter->task; 183 184 case TASK_DIAG_DUMP_ALL: 185 iter->tgid.tgid = iter->cb->pid; 186 iter->tgid.task = NULL; > 187 iter->tgid = next_tgid(iter->ns, iter->tgid); 188 return iter->tgid.task; 189 } 190 --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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