tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: dbdc3bb74faeec5fd92e28c15c945045d5aab426 commit: 7ef224d1d0e3a1ade02d02c01ce1dcffb736d2c3 tracing: Add 'hist' event trigger command date: 2 months ago config: x86_64-randconfig-s0-07021107 (attached as .config) compiler: gcc-6 (Debian 6.1.1-1) 6.1.1 20160430 reproduce: git checkout 7ef224d1d0e3a1ade02d02c01ce1dcffb736d2c3 # save the attached .config to linux build tree make ARCH=x86_64 All errors (new ones prefixed by >>): In file included from kernel/trace/tracing_map.c:29:0: kernel/trace/trace.h: In function 'trace_test_and_set_recursion': >> kernel/trace/trace.h:516:28: error: 'struct task_struct' has no member named 'trace_recursion' unsigned int val = current->trace_recursion; ^~ kernel/trace/trace.h:528:9: error: 'struct task_struct' has no member named 'trace_recursion' current->trace_recursion = val; ^~ kernel/trace/trace.h: In function 'trace_clear_recursion': kernel/trace/trace.h:536:28: error: 'struct task_struct' has no member named 'trace_recursion' unsigned int val = current->trace_recursion; ^~ kernel/trace/trace.h:545:9: error: 'struct task_struct' has no member named 'trace_recursion' current->trace_recursion = val; ^~ vim +516 kernel/trace/trace.h edc15caf Steven Rostedt 2012-11-02 510 edc15caf Steven Rostedt 2012-11-02 511 return bit; edc15caf Steven Rostedt 2012-11-02 512 } edc15caf Steven Rostedt 2012-11-02 513 edc15caf Steven Rostedt 2012-11-02 514 static __always_inline int trace_test_and_set_recursion(int start, int max) edc15caf Steven Rostedt 2012-11-02 515 { edc15caf Steven Rostedt 2012-11-02 @516 unsigned int val = current->trace_recursion; edc15caf Steven Rostedt 2012-11-02 517 int bit; edc15caf Steven Rostedt 2012-11-02 518 edc15caf Steven Rostedt 2012-11-02 519 /* A previous recursion check was made */ :::::: The code at line 516 was first introduced by commit :::::: edc15cafcbfa3d73f819cae99885a2e35e4cbce5 tracing: Avoid unnecessary multiple recursion checks :::::: TO: Steven Rostedt :::::: CC: Steven Rostedt --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation