Hi Shaohua, [auto build test ERROR on driver-core/driver-core-testing] [also build test ERROR on v4.12-rc3 next-20170602] [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/Shaohua-Li/kernfs-implement-i_generation/20170603-083132 config: x86_64-randconfig-x010-201722 (attached as .config) compiler: gcc-6 (Debian 6.2.0-3) 6.2.0 20160901 reproduce: # save the attached .config to linux build tree make ARCH=x86_64 All errors (new ones prefixed by >>): kernel/trace/blktrace.c: In function '__trace_note_message': >> kernel/trace/blktrace.c:185:35: error: 'struct blkcg' has no member named 'css' blkcg ? cgroup_get_node_id(blkcg->css.cgroup) : NULL); ^~ vim +185 kernel/trace/blktrace.c 179 n = vscnprintf(buf, BLK_TN_MAX_MSG, fmt, args); 180 va_end(args); 181 182 if (!(blk_tracer_flags.val & TRACE_BLK_OPT_CGROUP)) 183 blkcg = NULL; 184 trace_note(bt, 0, BLK_TN_MESSAGE, buf, n, > 185 blkcg ? cgroup_get_node_id(blkcg->css.cgroup) : NULL); 186 local_irq_restore(flags); 187 } 188 EXPORT_SYMBOL_GPL(__trace_note_message); --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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