tree: https://chromium.googlesource.com/chromiumos/third_party/kernel chromeos-4.19 head: 59745312216d50b3bbeebb92f5aaa9a57996ebb5 commit: 24f9cfbc3921d4f2ded2adcc5e55160191d60958 [3/11] CHROMIUM: soc: cmdq: mediatek: add debug function :::::: branch date: 17 hours ago :::::: commit date: 35 hours ago config: i386-randconfig-r011-20200612 (attached as .config) compiler: gcc-4.9 (Ubuntu 4.9.3-13ubuntu2) 4.9.3 reproduce (this is a W=1 build): git checkout 24f9cfbc3921d4f2ded2adcc5e55160191d60958 # save the attached .config to linux build tree make W=1 ARCH=i386 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All warnings (new ones prefixed by >>, old ones prefixed by <<): In file included from include/linux/export.h:45:0, from include/linux/linkage.h:7, from include/linux/kernel.h:7, from include/linux/list.h:9, from include/linux/wait.h:7, from include/linux/completion.h:12, from drivers/soc/mediatek/mtk-cmdq-helper.c:5: drivers/soc/mediatek/mtk-cmdq-helper.c: In function 'cmdq_client_timeout': static struct ftrace_likely_data ^ include/linux/compiler.h:69:16: note: in definition of macro '__trace_if' ______r = !!(cond); ^ include/asm-generic/bug.h:134:2: note: in expansion of macro 'if' if (unlikely(__ret_warn_on)) ^ include/linux/compiler.h:48:24: note: in expansion of macro '__branch_check__' # define unlikely(x) (__branch_check__(x, 0, __builtin_constant_p(x))) ^ include/asm-generic/bug.h:134:6: note: in expansion of macro 'unlikely' if (unlikely(__ret_warn_on)) ^ include/asm-generic/bug.h:166:3: note: in expansion of macro 'WARN' WARN(1, format); ^ drivers/soc/mediatek/mtk-cmdq-helper.c:62:2: note: in expansion of macro 'WARN_ONCE' WARN_ONCE(1, "cmdq timeout!n", client->client.dev); ^ git remote add chrome-os https://chromium.googlesource.com/chromiumos/third_party/kernel git remote update chrome-os git checkout 24f9cfbc3921d4f2ded2adcc5e55160191d60958 vim +25 include/linux/compiler.h 1f0d69a9fc815d Steven Rostedt 2008-11-12 22 d45ae1f7041ac5 Steven Rostedt (VMware 2017-01-17 23) #define __branch_check__(x, expect, is_constant) ({ \ 2026d35741f2c3 Mikulas Patocka 2018-05-30 24 long ______r; \ 134e6a034cb004 Steven Rostedt (VMware 2017-01-19 @25) static struct ftrace_likely_data \ 1f0d69a9fc815d Steven Rostedt 2008-11-12 26 __attribute__((__aligned__(4))) \ 45b797492a0758 Steven Rostedt 2008-11-21 27 __attribute__((section("_ftrace_annotated_branch"))) \ 1f0d69a9fc815d Steven Rostedt 2008-11-12 28 ______f = { \ 134e6a034cb004 Steven Rostedt (VMware 2017-01-19 29) .data.func = __func__, \ 134e6a034cb004 Steven Rostedt (VMware 2017-01-19 30) .data.file = __FILE__, \ 134e6a034cb004 Steven Rostedt (VMware 2017-01-19 31) .data.line = __LINE__, \ 1f0d69a9fc815d Steven Rostedt 2008-11-12 32 }; \ d45ae1f7041ac5 Steven Rostedt (VMware 2017-01-17 33) ______r = __builtin_expect(!!(x), expect); \ d45ae1f7041ac5 Steven Rostedt (VMware 2017-01-17 34) ftrace_likely_update(&______f, ______r, \ d45ae1f7041ac5 Steven Rostedt (VMware 2017-01-17 35) expect, is_constant); \ 1f0d69a9fc815d Steven Rostedt 2008-11-12 36 ______r; \ 1f0d69a9fc815d Steven Rostedt 2008-11-12 37 }) 1f0d69a9fc815d Steven Rostedt 2008-11-12 38 :::::: The code at line 25 was first introduced by commit :::::: 134e6a034cb004ed5acd3048792de70ced1c6cf5 tracing: Show number of constants profiled in likely profiler :::::: TO: Steven Rostedt (VMware) <rostedt(a)goodmis.org&gt; :::::: CC: Steven Rostedt (VMware) <rostedt(a)goodmis.org&gt; --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org _______________________________________________ kbuild mailing list -- kbuild(a)lists.01.org To unsubscribe send an email to kbuild-leave(a)lists.01.org