Hi Steven, I love your patch! Perhaps something to improve: [auto build test WARNING on tip/perf/core] [also build test WARNING on linux/master linus/master v5.11-rc6 next-20210125] [cannot apply to hnaz-linux-mm/master] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch] url: https://github.com/0day-ci/linux/commits/Steven-Rostedt/tracepoints-Do-not-punish-non-static-call-users/20210205-032217 base: https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git 32451614da2a9cf4296f90d3606ac77814fb519d config: mips-randconfig-r035-20210205 (attached as .config) compiler: clang version 12.0.0 (https://github.com/llvm/llvm-project c9439ca36342fb6013187d0a69aef92736951476) reproduce (this is a W=1 build): wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # install mips cross compiling tool for clang build # apt-get install binutils-mips-linux-gnu # https://github.com/0day-ci/linux/commit/6458987cbf8a57376cd608aa4a066a2e86850cc5 git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Steven-Rostedt/tracepoints-Do-not-punish-non-static-call-users/20210205-032217 git checkout 6458987cbf8a57376cd608aa4a066a2e86850cc5 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=mips If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> All warnings (new ones prefixed by >>): In file included from fs/xfs/xfs_trace.c:38: >> fs/xfs/xfs_trace.h:95:1: warning: variable '__data' is uninitialized when used here [-Wuninitialized] DEFINE_ATTR_LIST_EVENT(xfs_attr_list_sf); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ fs/xfs/xfs_trace.h:91:38: note: expanded from macro 'DEFINE_ATTR_LIST_EVENT' #define DEFINE_ATTR_LIST_EVENT(name) \ ^ include/linux/tracepoint.h:539:2: note: expanded from macro '\ DEFINE_EVENT' DECLARE_TRACE(name, PARAMS(proto), PARAMS(args)) ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/tracepoint.h:417:11: note: expanded from macro 'DECLARE_TRACE' PARAMS(__data, args)) ^~~~~~ note: (skipping 3 expansions in backtrace; use -fmacro-backtrace-limit=0 to see all) include/linux/tracepoint.h:201:33: note: expanded from macro '__DO_TRACE' __DO_TRACE_CALL(name, TP_ARGS(args)); \ ^~~~ include/linux/tracepoint.h:138:26: note: expanded from macro 'TP_ARGS' #define TP_ARGS(args...) args ^~~~ include/linux/tracepoint.h:166:56: note: expanded from macro '__DO_TRACE_CALL' #define __DO_TRACE_CALL(name, args) __traceiter_##name(args) ^~~~ fs/xfs/xfs_trace.h:95:1: note: variable '__data' is declared here fs/xfs/xfs_trace.h:91:38: note: expanded from macro 'DEFINE_ATTR_LIST_EVENT' #define DEFINE_ATTR_LIST_EVENT(name) \ ^ include/linux/tracepoint.h:539:2: note: expanded from macro '\ DEFINE_EVENT' DECLARE_TRACE(name, PARAMS(proto), PARAMS(args)) ^ include/linux/tracepoint.h:414:2: note: expanded from macro 'DECLARE_TRACE' __DECLARE_TRACE(name, PARAMS(proto), PARAMS(args), \ ^ include/linux/tracepoint.h:244:4: note: expanded from macro '__DECLARE_TRACE' __DO_TRACE(name, \ ^ include/linux/tracepoint.h:181:3: note: expanded from macro '__DO_TRACE' void *__data; \ ^ In file included from fs/xfs/xfs_trace.c:38: >> fs/xfs/xfs_trace.h:95:1: warning: variable '__data' is uninitialized when used here [-Wuninitialized] DEFINE_ATTR_LIST_EVENT(xfs_attr_list_sf); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ fs/xfs/xfs_trace.h:91:38: note: expanded from macro 'DEFINE_ATTR_LIST_EVENT' #define DEFINE_ATTR_LIST_EVENT(name) \ ^ include/linux/tracepoint.h:539:2: note: expanded from macro '\ DEFINE_EVENT' DECLARE_TRACE(name, PARAMS(proto), PARAMS(args)) ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/tracepoint.h:417:11: note: expanded from macro 'DECLARE_TRACE' PARAMS(__data, args)) ^~~~~~ note: (skipping 5 expansions in backtrace; use -fmacro-backtrace-limit=0 to see all) include/linux/tracepoint.h:201:33: note: expanded from macro '__DO_TRACE' __DO_TRACE_CALL(name, TP_ARGS(args)); \ ^~~~ include/linux/tracepoint.h:138:26: note: expanded from macro 'TP_ARGS' #define TP_ARGS(args...) args ^~~~ include/linux/tracepoint.h:166:56: note: expanded from macro '__DO_TRACE_CALL' #define __DO_TRACE_CALL(name, args) __traceiter_##name(args) ^~~~ fs/xfs/xfs_trace.h:95:1: note: variable '__data' is declared here fs/xfs/xfs_trace.h:91:38: note: expanded from macro 'DEFINE_ATTR_LIST_EVENT' #define DEFINE_ATTR_LIST_EVENT(name) \ ^ include/linux/tracepoint.h:539:2: note: expanded from macro '\ DEFINE_EVENT' DECLARE_TRACE(name, PARAMS(proto), PARAMS(args)) ^ include/linux/tracepoint.h:414:2: note: expanded from macro 'DECLARE_TRACE' __DECLARE_TRACE(name, PARAMS(proto), PARAMS(args), \ ^ include/linux/tracepoint.h:254:2: note: expanded from macro '__DECLARE_TRACE' __DECLARE_TRACE_RCU(name, PARAMS(proto), PARAMS(args), \ ^ include/linux/tracepoint.h:216:4: note: expanded from macro '__DECLARE_TRACE_RCU' __DO_TRACE(name, \ ^ include/linux/tracepoint.h:181:3: note: expanded from macro '__DO_TRACE' void *__data; \ ^ In file included from fs/xfs/xfs_trace.c:38: fs/xfs/xfs_trace.h:96:1: warning: variable '__data' is uninitialized when used here [-Wuninitialized] DEFINE_ATTR_LIST_EVENT(xfs_attr_list_sf_all); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ fs/xfs/xfs_trace.h:91:38: note: expanded from macro 'DEFINE_ATTR_LIST_EVENT' #define DEFINE_ATTR_LIST_EVENT(name) \ ^ include/linux/tracepoint.h:539:2: note: expanded from macro '\ DEFINE_EVENT' DECLARE_TRACE(name, PARAMS(proto), PARAMS(args)) ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/tracepoint.h:417:11: note: expanded from macro 'DECLARE_TRACE' PARAMS(__data, args)) ^~~~~~ note: (skipping 3 expansions in backtrace; use -fmacro-backtrace-limit=0 to see all) include/linux/tracepoint.h:201:33: note: expanded from macro '__DO_TRACE' __DO_TRACE_CALL(name, TP_ARGS(args)); \ ^~~~ include/linux/tracepoint.h:138:26: note: expanded from macro 'TP_ARGS' #define TP_ARGS(args...) args ^~~~ include/linux/tracepoint.h:166:56: note: expanded from macro '__DO_TRACE_CALL' #define __DO_TRACE_CALL(name, args) __traceiter_##name(args) ^~~~ fs/xfs/xfs_trace.h:96:1: note: variable '__data' is declared here fs/xfs/xfs_trace.h:91:38: note: expanded from macro 'DEFINE_ATTR_LIST_EVENT' #define DEFINE_ATTR_LIST_EVENT(name) \ ^ include/linux/tracepoint.h:539:2: note: expanded from macro '\ DEFINE_EVENT' DECLARE_TRACE(name, PARAMS(proto), PARAMS(args)) ^ include/linux/tracepoint.h:414:2: note: expanded from macro 'DECLARE_TRACE' __DECLARE_TRACE(name, PARAMS(proto), PARAMS(args), \ ^ include/linux/tracepoint.h:244:4: note: expanded from macro '__DECLARE_TRACE' __DO_TRACE(name, \ ^ include/linux/tracepoint.h:181:3: note: expanded from macro '__DO_TRACE' void *__data; \ ^ In file included from fs/xfs/xfs_trace.c:38: fs/xfs/xfs_trace.h:96:1: warning: variable '__data' is uninitialized when used here [-Wuninitialized] DEFINE_ATTR_LIST_EVENT(xfs_attr_list_sf_all); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ fs/xfs/xfs_trace.h:91:38: note: expanded from macro 'DEFINE_ATTR_LIST_EVENT' #define DEFINE_ATTR_LIST_EVENT(name) \ ^ include/linux/tracepoint.h:539:2: note: expanded from macro '\ DEFINE_EVENT' DECLARE_TRACE(name, PARAMS(proto), PARAMS(args)) ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/tracepoint.h:417:11: note: expanded from macro 'DECLARE_TRACE' PARAMS(__data, args)) ^~~~~~ note: (skipping 5 expansions in backtrace; use -fmacro-backtrace-limit=0 to see all) include/linux/tracepoint.h:201:33: note: expanded from macro '__DO_TRACE' __DO_TRACE_CALL(name, TP_ARGS(args)); \ -- In file included from fs/xfs/scrub/trace.c:38: >> fs/xfs/scrub/trace.h:122:1: warning: variable '__data' is uninitialized when used here [-Wuninitialized] DEFINE_SCRUB_EVENT(xchk_start); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ fs/xfs/scrub/trace.h:116:34: note: expanded from macro 'DEFINE_SCRUB_EVENT' #define DEFINE_SCRUB_EVENT(name) \ ^ include/linux/tracepoint.h:539:2: note: expanded from macro '\ DEFINE_EVENT' DECLARE_TRACE(name, PARAMS(proto), PARAMS(args)) ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/tracepoint.h:417:11: note: expanded from macro 'DECLARE_TRACE' PARAMS(__data, args)) ^~~~~~ note: (skipping 3 expansions in backtrace; use -fmacro-backtrace-limit=0 to see all) include/linux/tracepoint.h:201:33: note: expanded from macro '__DO_TRACE' __DO_TRACE_CALL(name, TP_ARGS(args)); \ ^~~~ include/linux/tracepoint.h:138:26: note: expanded from macro 'TP_ARGS' #define TP_ARGS(args...) args ^~~~ include/linux/tracepoint.h:166:56: note: expanded from macro '__DO_TRACE_CALL' #define __DO_TRACE_CALL(name, args) __traceiter_##name(args) ^~~~ fs/xfs/scrub/trace.h:122:1: note: variable '__data' is declared here fs/xfs/scrub/trace.h:116:34: note: expanded from macro 'DEFINE_SCRUB_EVENT' #define DEFINE_SCRUB_EVENT(name) \ ^ include/linux/tracepoint.h:539:2: note: expanded from macro '\ DEFINE_EVENT' DECLARE_TRACE(name, PARAMS(proto), PARAMS(args)) ^ include/linux/tracepoint.h:414:2: note: expanded from macro 'DECLARE_TRACE' __DECLARE_TRACE(name, PARAMS(proto), PARAMS(args), \ ^ include/linux/tracepoint.h:244:4: note: expanded from macro '__DECLARE_TRACE' __DO_TRACE(name, \ ^ include/linux/tracepoint.h:181:3: note: expanded from macro '__DO_TRACE' void *__data; \ ^ In file included from fs/xfs/scrub/trace.c:38: >> fs/xfs/scrub/trace.h:122:1: warning: variable '__data' is uninitialized when used here [-Wuninitialized] DEFINE_SCRUB_EVENT(xchk_start); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ fs/xfs/scrub/trace.h:116:34: note: expanded from macro 'DEFINE_SCRUB_EVENT' #define DEFINE_SCRUB_EVENT(name) \ ^ include/linux/tracepoint.h:539:2: note: expanded from macro '\ DEFINE_EVENT' DECLARE_TRACE(name, PARAMS(proto), PARAMS(args)) ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/tracepoint.h:417:11: note: expanded from macro 'DECLARE_TRACE' PARAMS(__data, args)) ^~~~~~ note: (skipping 5 expansions in backtrace; use -fmacro-backtrace-limit=0 to see all) include/linux/tracepoint.h:201:33: note: expanded from macro '__DO_TRACE' __DO_TRACE_CALL(name, TP_ARGS(args)); \ ^~~~ include/linux/tracepoint.h:138:26: note: expanded from macro 'TP_ARGS' #define TP_ARGS(args...) args ^~~~ include/linux/tracepoint.h:166:56: note: expanded from macro '__DO_TRACE_CALL' #define __DO_TRACE_CALL(name, args) __traceiter_##name(args) ^~~~ fs/xfs/scrub/trace.h:122:1: note: variable '__data' is declared here fs/xfs/scrub/trace.h:116:34: note: expanded from macro 'DEFINE_SCRUB_EVENT' #define DEFINE_SCRUB_EVENT(name) \ ^ include/linux/tracepoint.h:539:2: note: expanded from macro '\ DEFINE_EVENT' DECLARE_TRACE(name, PARAMS(proto), PARAMS(args)) ^ include/linux/tracepoint.h:414:2: note: expanded from macro 'DECLARE_TRACE' __DECLARE_TRACE(name, PARAMS(proto), PARAMS(args), \ ^ include/linux/tracepoint.h:254:2: note: expanded from macro '__DECLARE_TRACE' __DECLARE_TRACE_RCU(name, PARAMS(proto), PARAMS(args), \ ^ include/linux/tracepoint.h:216:4: note: expanded from macro '__DECLARE_TRACE_RCU' __DO_TRACE(name, \ ^ include/linux/tracepoint.h:181:3: note: expanded from macro '__DO_TRACE' void *__data; \ ^ In file included from fs/xfs/scrub/trace.c:38: fs/xfs/scrub/trace.h:123:1: warning: variable '__data' is uninitialized when used here [-Wuninitialized] DEFINE_SCRUB_EVENT(xchk_done); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ fs/xfs/scrub/trace.h:116:34: note: expanded from macro 'DEFINE_SCRUB_EVENT' #define DEFINE_SCRUB_EVENT(name) \ ^ include/linux/tracepoint.h:539:2: note: expanded from macro '\ DEFINE_EVENT' DECLARE_TRACE(name, PARAMS(proto), PARAMS(args)) ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/tracepoint.h:417:11: note: expanded from macro 'DECLARE_TRACE' PARAMS(__data, args)) ^~~~~~ note: (skipping 3 expansions in backtrace; use -fmacro-backtrace-limit=0 to see all) include/linux/tracepoint.h:201:33: note: expanded from macro '__DO_TRACE' __DO_TRACE_CALL(name, TP_ARGS(args)); \ ^~~~ include/linux/tracepoint.h:138:26: note: expanded from macro 'TP_ARGS' #define TP_ARGS(args...) args ^~~~ include/linux/tracepoint.h:166:56: note: expanded from macro '__DO_TRACE_CALL' #define __DO_TRACE_CALL(name, args) __traceiter_##name(args) ^~~~ fs/xfs/scrub/trace.h:123:1: note: variable '__data' is declared here fs/xfs/scrub/trace.h:116:34: note: expanded from macro 'DEFINE_SCRUB_EVENT' #define DEFINE_SCRUB_EVENT(name) \ ^ include/linux/tracepoint.h:539:2: note: expanded from macro '\ DEFINE_EVENT' DECLARE_TRACE(name, PARAMS(proto), PARAMS(args)) ^ include/linux/tracepoint.h:414:2: note: expanded from macro 'DECLARE_TRACE' __DECLARE_TRACE(name, PARAMS(proto), PARAMS(args), \ ^ include/linux/tracepoint.h:244:4: note: expanded from macro '__DECLARE_TRACE' __DO_TRACE(name, \ ^ include/linux/tracepoint.h:181:3: note: expanded from macro '__DO_TRACE' void *__data; \ ^ In file included from fs/xfs/scrub/trace.c:38: fs/xfs/scrub/trace.h:123:1: warning: variable '__data' is uninitialized when used here [-Wuninitialized] DEFINE_SCRUB_EVENT(xchk_done); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ fs/xfs/scrub/trace.h:116:34: note: expanded from macro 'DEFINE_SCRUB_EVENT' #define DEFINE_SCRUB_EVENT(name) \ ^ include/linux/tracepoint.h:539:2: note: expanded from macro '\ DEFINE_EVENT' DECLARE_TRACE(name, PARAMS(proto), PARAMS(args)) ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/tracepoint.h:417:11: note: expanded from macro 'DECLARE_TRACE' PARAMS(__data, args)) ^~~~~~ note: (skipping 5 expansions in backtrace; use -fmacro-backtrace-limit=0 to see all) include/linux/tracepoint.h:201:33: note: expanded from macro '__DO_TRACE' __DO_TRACE_CALL(name, TP_ARGS(args)); \ -- In file included from fs/nilfs2/mdt.c:24: >> include/trace/events/nilfs2.h:25:1: warning: variable '__data' is uninitialized when used here [-Wuninitialized] TRACE_EVENT(nilfs2_collection_stage_transition, ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/tracepoint.h:550:2: note: expanded from macro 'TRACE_EVENT' DECLARE_TRACE(name, PARAMS(proto), PARAMS(args)) ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/tracepoint.h:417:11: note: expanded from macro 'DECLARE_TRACE' PARAMS(__data, args)) ^~~~~~ include/linux/tracepoint.h:97:25: note: expanded from macro 'PARAMS' #define PARAMS(args...) args ^~~~ note: (skipping 2 expansions in backtrace; use -fmacro-backtrace-limit=0 to see all) include/linux/tracepoint.h:201:33: note: expanded from macro '__DO_TRACE' __DO_TRACE_CALL(name, TP_ARGS(args)); \ ^~~~ include/linux/tracepoint.h:138:26: note: expanded from macro 'TP_ARGS' #define TP_ARGS(args...) args ^~~~ include/linux/tracepoint.h:166:56: note: expanded from macro '__DO_TRACE_CALL' #define __DO_TRACE_CALL(name, args) __traceiter_##name(args) ^~~~ include/trace/events/nilfs2.h:25:1: note: variable '__data' is declared here include/linux/tracepoint.h:550:2: note: expanded from macro 'TRACE_EVENT' DECLARE_TRACE(name, PARAMS(proto), PARAMS(args)) ^ include/linux/tracepoint.h:414:2: note: expanded from macro 'DECLARE_TRACE' __DECLARE_TRACE(name, PARAMS(proto), PARAMS(args), \ ^ include/linux/tracepoint.h:244:4: note: expanded from macro '__DECLARE_TRACE' __DO_TRACE(name, \ ^ include/linux/tracepoint.h:181:3: note: expanded from macro '__DO_TRACE' void *__data; \ ^ In file included from fs/nilfs2/mdt.c:24: >> include/trace/events/nilfs2.h:25:1: warning: variable '__data' is uninitialized when used here [-Wuninitialized] TRACE_EVENT(nilfs2_collection_stage_transition, ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/tracepoint.h:550:2: note: expanded from macro 'TRACE_EVENT' DECLARE_TRACE(name, PARAMS(proto), PARAMS(args)) ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/tracepoint.h:417:11: note: expanded from macro 'DECLARE_TRACE' PARAMS(__data, args)) ^~~~~~ include/linux/tracepoint.h:97:25: note: expanded from macro 'PARAMS' #define PARAMS(args...) args ^~~~ note: (skipping 4 expansions in backtrace; use -fmacro-backtrace-limit=0 to see all) include/linux/tracepoint.h:201:33: note: expanded from macro '__DO_TRACE' __DO_TRACE_CALL(name, TP_ARGS(args)); \ ^~~~ include/linux/tracepoint.h:138:26: note: expanded from macro 'TP_ARGS' #define TP_ARGS(args...) args ^~~~ include/linux/tracepoint.h:166:56: note: expanded from macro '__DO_TRACE_CALL' #define __DO_TRACE_CALL(name, args) __traceiter_##name(args) ^~~~ include/trace/events/nilfs2.h:25:1: note: variable '__data' is declared here include/linux/tracepoint.h:550:2: note: expanded from macro 'TRACE_EVENT' DECLARE_TRACE(name, PARAMS(proto), PARAMS(args)) ^ include/linux/tracepoint.h:414:2: note: expanded from macro 'DECLARE_TRACE' __DECLARE_TRACE(name, PARAMS(proto), PARAMS(args), \ ^ include/linux/tracepoint.h:254:2: note: expanded from macro '__DECLARE_TRACE' __DECLARE_TRACE_RCU(name, PARAMS(proto), PARAMS(args), \ ^ include/linux/tracepoint.h:216:4: note: expanded from macro '__DECLARE_TRACE_RCU' __DO_TRACE(name, \ ^ include/linux/tracepoint.h:181:3: note: expanded from macro '__DO_TRACE' void *__data; \ ^ In file included from fs/nilfs2/mdt.c:24: include/trace/events/nilfs2.h:66:1: warning: variable '__data' is uninitialized when used here [-Wuninitialized] TRACE_EVENT(nilfs2_transaction_transition, ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/tracepoint.h:550:2: note: expanded from macro 'TRACE_EVENT' DECLARE_TRACE(name, PARAMS(proto), PARAMS(args)) ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/tracepoint.h:417:11: note: expanded from macro 'DECLARE_TRACE' PARAMS(__data, args)) ^~~~~~ include/linux/tracepoint.h:97:25: note: expanded from macro 'PARAMS' #define PARAMS(args...) args ^~~~ note: (skipping 2 expansions in backtrace; use -fmacro-backtrace-limit=0 to see all) include/linux/tracepoint.h:201:33: note: expanded from macro '__DO_TRACE' __DO_TRACE_CALL(name, TP_ARGS(args)); \ ^~~~ include/linux/tracepoint.h:138:26: note: expanded from macro 'TP_ARGS' #define TP_ARGS(args...) args ^~~~ include/linux/tracepoint.h:166:56: note: expanded from macro '__DO_TRACE_CALL' #define __DO_TRACE_CALL(name, args) __traceiter_##name(args) ^~~~ include/trace/events/nilfs2.h:66:1: note: variable '__data' is declared here include/linux/tracepoint.h:550:2: note: expanded from macro 'TRACE_EVENT' DECLARE_TRACE(name, PARAMS(proto), PARAMS(args)) ^ include/linux/tracepoint.h:414:2: note: expanded from macro 'DECLARE_TRACE' __DECLARE_TRACE(name, PARAMS(proto), PARAMS(args), \ ^ include/linux/tracepoint.h:244:4: note: expanded from macro '__DECLARE_TRACE' __DO_TRACE(name, \ ^ include/linux/tracepoint.h:181:3: note: expanded from macro '__DO_TRACE' void *__data; \ ^ In file included from fs/nilfs2/mdt.c:24: include/trace/events/nilfs2.h:66:1: warning: variable '__data' is uninitialized when used here [-Wuninitialized] TRACE_EVENT(nilfs2_transaction_transition, ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/tracepoint.h:550:2: note: expanded from macro 'TRACE_EVENT' DECLARE_TRACE(name, PARAMS(proto), PARAMS(args)) ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/tracepoint.h:417:11: note: expanded from macro 'DECLARE_TRACE' PARAMS(__data, args)) ^~~~~~ include/linux/tracepoint.h:97:25: note: expanded from macro 'PARAMS' #define PARAMS(args...) args ^~~~ note: (skipping 4 expansions in backtrace; use -fmacro-backtrace-limit=0 to see all) include/linux/tracepoint.h:201:33: note: expanded from macro '__DO_TRACE' __DO_TRACE_CALL(name, TP_ARGS(args)); \ ^~~~ include/linux/tracepoint.h:138:26: note: expanded from macro 'TP_ARGS' #define TP_ARGS(args...) args ^~~~ include/linux/tracepoint.h:166:56: note: expanded from macro '__DO_TRACE_CALL' #define __DO_TRACE_CALL(name, args) __traceiter_##name(args) ^~~~ include/trace/events/nilfs2.h:66:1: note: variable '__data' is declared here include/linux/tracepoint.h:550:2: note: expanded from macro 'TRACE_EVENT' DECLARE_TRACE(name, PARAMS(proto), PARAMS(args)) ^ .. vim +/__data +95 fs/xfs/xfs_trace.h ea9a48881e093a fs/xfs/linux-2.6/xfs_trace.h Christoph Hellwig 2009-12-21 90 0b1b213fcf3a84 fs/xfs/linux-2.6/xfs_trace.h Christoph Hellwig 2009-12-14 91 #define DEFINE_ATTR_LIST_EVENT(name) \ ea9a48881e093a fs/xfs/linux-2.6/xfs_trace.h Christoph Hellwig 2009-12-21 92 DEFINE_EVENT(xfs_attr_list_class, name, \ 0b1b213fcf3a84 fs/xfs/linux-2.6/xfs_trace.h Christoph Hellwig 2009-12-14 93 TP_PROTO(struct xfs_attr_list_context *ctx), \ ea9a48881e093a fs/xfs/linux-2.6/xfs_trace.h Christoph Hellwig 2009-12-21 94 TP_ARGS(ctx)) 0b1b213fcf3a84 fs/xfs/linux-2.6/xfs_trace.h Christoph Hellwig 2009-12-14 @95 DEFINE_ATTR_LIST_EVENT(xfs_attr_list_sf); 0b1b213fcf3a84 fs/xfs/linux-2.6/xfs_trace.h Christoph Hellwig 2009-12-14 96 DEFINE_ATTR_LIST_EVENT(xfs_attr_list_sf_all); 0b1b213fcf3a84 fs/xfs/linux-2.6/xfs_trace.h Christoph Hellwig 2009-12-14 97 DEFINE_ATTR_LIST_EVENT(xfs_attr_list_leaf); 0b1b213fcf3a84 fs/xfs/linux-2.6/xfs_trace.h Christoph Hellwig 2009-12-14 98 DEFINE_ATTR_LIST_EVENT(xfs_attr_list_leaf_end); 0b1b213fcf3a84 fs/xfs/linux-2.6/xfs_trace.h Christoph Hellwig 2009-12-14 99 DEFINE_ATTR_LIST_EVENT(xfs_attr_list_full); 0b1b213fcf3a84 fs/xfs/linux-2.6/xfs_trace.h Christoph Hellwig 2009-12-14 100 DEFINE_ATTR_LIST_EVENT(xfs_attr_list_add); 0b1b213fcf3a84 fs/xfs/linux-2.6/xfs_trace.h Christoph Hellwig 2009-12-14 101 DEFINE_ATTR_LIST_EVENT(xfs_attr_list_wrong_blk); 0b1b213fcf3a84 fs/xfs/linux-2.6/xfs_trace.h Christoph Hellwig 2009-12-14 102 DEFINE_ATTR_LIST_EVENT(xfs_attr_list_notfound); ee73259b401317 fs/xfs/xfs_trace.h Dave Chinner 2012-11-12 103 DEFINE_ATTR_LIST_EVENT(xfs_attr_leaf_list); ee73259b401317 fs/xfs/xfs_trace.h Dave Chinner 2012-11-12 104 DEFINE_ATTR_LIST_EVENT(xfs_attr_node_list); 0b1b213fcf3a84 fs/xfs/linux-2.6/xfs_trace.h Christoph Hellwig 2009-12-14 105 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
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