Hi Chunyan, [auto build test WARNING on linus/master] [also build test WARNING on v4.8-rc2 next-20160815] [cannot apply to linux/master] [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/Chunyan-Zhang/tracing-add-a-possibility-of-exporting-function-trace-to-other-places-instead-of-ring-buffer-only/20160815-195631 reproduce: # apt-get install sparse make ARCH=x86_64 allmodconfig make C=1 CF=-D__CHECK_ENDIAN__ sparse warnings: (new ones prefixed by >>) include/linux/compiler.h:230:8: sparse: attribute 'no_sanitize_address': unknown attribute >> kernel/trace/trace.c:2173:23: sparse: incompatible types in comparison >> expression (different address spaces) kernel/trace/trace.c:2175:23: sparse: incompatible types in comparison expression (different address spaces) vim +2173 kernel/trace/trace.c 2157 static DEFINE_MUTEX(trace_export_lock); 2158 2159 static struct trace_export trace_export_rb __read_mostly = { 2160 .name = "rb", 2161 .commit = trace_rb_commit, 2162 .next = NULL, 2163 }; 2164 static struct trace_export *trace_exports_list __read_mostly = &trace_export_rb; 2165 2166 inline void 2167 trace_exports(struct trace_array *tr, struct ring_buffer_event *event) 2168 { 2169 struct trace_export *export; 2170 2171 preempt_disable_notrace(); 2172 > 2173 for (export = rcu_dereference_raw_notrace(trace_exports_list); 2174 export && export->commit; 2175 export = rcu_dereference_raw_notrace(export->next)) { 2176 tr->export = export; 2177 export->commit(tr, event); 2178 } 2179 2180 preempt_enable_notrace(); 2181 } --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
