tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master head: f7ac28a6971b43a2ee8bb47c0ef931b38f7888cf commit: 64dab25b058c12f935794cb239089303bda7dbc1 [7056/7206] kernel/stop_machine.c: remove CONFIG_SMP dependencies config: m32r-usrv_defconfig (attached as .config) reproduce: wget https://git.kernel.org/cgit/linux/kernel/git/wfg/lkp-tests.git/plain/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross git checkout 64dab25b058c12f935794cb239089303bda7dbc1 # save the attached .config to linux build tree make.cross ARCH=m32r All errors (new ones prefixed by >>): kernel/built-in.o: In function `timekeeping_notify': >> kernel/time/timekeeping.c:1096: undefined reference to `stop_machine' kernel/time/timekeeping.c:1096:(.text+0x51498): relocation truncated to fit: R_M32R_26_PCREL_RELA against undefined symbol `stop_machine' mm/built-in.o: In function `build_all_zonelists': >> mm/page_alloc.c:4508: undefined reference to `stop_machine' mm/page_alloc.c:4508:(.ref.text+0x1f4): relocation truncated to fit: R_M32R_26_PCREL_RELA against undefined symbol `stop_machine' vim +1096 kernel/time/timekeeping.c ba919d1c Thomas Gleixner 2013-04-25 1090 int timekeeping_notify(struct clocksource *clock) 75c5158f Martin Schwidefsky 2009-08-14 1091 { 3fdb14fd Thomas Gleixner 2014-07-16 1092 struct timekeeper *tk = &tk_core.timekeeper; 4e250fdd John Stultz 2012-07-27 1093 876e7881 Peter Zijlstra 2015-03-19 1094 if (tk->tkr_mono.clock == clock) ba919d1c Thomas Gleixner 2013-04-25 1095 return 0; 75c5158f Martin Schwidefsky 2009-08-14 @1096 stop_machine(change_clocksource, clock, NULL); 8524070b John Stultz 2007-05-08 1097 tick_clock_notify(); 876e7881 Peter Zijlstra 2015-03-19 1098 return tk->tkr_mono.clock == clock ? 0 : -1; 8524070b John Stultz 2007-05-08 1099 } :::::: The code at line 1096 was first introduced by commit :::::: 75c5158f70c065b9704b924503d96e8297838f79 timekeeping: Update clocksource with stop_machine :::::: TO: Martin Schwidefsky <schwidefsky@xxxxxxxxxx> :::::: CC: Thomas Gleixner <tglx@xxxxxxxxxxxxx> --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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