> Thanks for the suggestion! I would like to see if this resolves the ppc issue we had. I'm attaching a powerpc patch based on your suggestion. Hopefully, Sachin can try it. > > Thanks, > I tried this patch. It does not fix the warning. [ 11.709071] mount (2956) used greatest stack depth: 10176 bytes left [ 11.731883] ------------[ cut here ]------------ [ 11.731911] WARNING: CPU: 3 PID: 2972 at kernel/jump_label.c:287 static_key_set_entries.isra.10+0x3c/0x50 [ 11.731915] Modules linked in: nfsd(+) ip_tables x_tables autofs4 [ 11.731925] CPU: 3 PID: 2972 Comm: modprobe Not tainted 4.10.0-next-20170227 #4 [ 11.731930] task: c00000077b284a00 task.stack: c00000077b8b8000 [ 11.731933] NIP: c0000000017bf84c LR: c0000000017bfcbc CTR: 0000000000000000 [ 11.731937] REGS: c00000077b8bb800 TRAP: 0700 Not tainted (4.10.0-next-20170227) [ 11.731940] MSR: 800000000282b033 <SF,VEC,VSX,EE,FP,ME,IR,DR,RI,LE> [ 11.731948] CR: 48248282 XER: 00000001 [ 11.731953] CFAR: c0000000017bf81c SOFTE: 1 GPR00: c0000000017bfc7c c00000077b8bba80 c00000000266c300 d0000000063e28f8 GPR04: d0000000063e5b57 0000000100000017 c0000000017bf5a0 0000000000000000 GPR08: 0000000000052eb3 0000000000000001 c00000000258c300 0000000000000001 GPR12: c000000001b5b460 c00000000ea80c00 0000000000000020 d000000006380bb0 GPR16: c00000077b8bbda0 c00000077b8bbdec 0000000000000000 0000000000008580 GPR20: d000000006410000 d0000000063e7ea8 c00000000256db90 0000000000000001 GPR24: c00000000258ca14 0000000000000000 c0000000025737f8 d0000000063e5c17 GPR28: 0000000000000000 d0000000063e6780 d0000000063e28f0 d0000000063e5b57 [ 11.732000] NIP [c0000000017bf84c] static_key_set_entries.isra.10+0x3c/0x50 [ 11.732004] LR [c0000000017bfcbc] jump_label_module_notify+0x20c/0x420 [ 11.732007] Call Trace: [ 11.732011] [c00000077b8bba80] [c0000000017bfc7c] jump_label_module_notify+0x1cc/0x420 (unreliable) [ 11.732019] [c00000077b8bbb40] [c0000000016b69b0] notifier_call_chain+0x90/0x100 [ 11.732024] [c00000077b8bbb90] [c0000000016b6e80] __blocking_notifier_call_chain+0x60/0x90 [ 11.732029] [c00000077b8bbbe0] [c0000000017380ec] load_module+0x1c2c/0x2760 [ 11.732034] [c00000077b8bbd70] [c000000001738e80] SyS_finit_module+0xc0/0xf0 [ 11.732040] [c00000077b8bbe30] [c0000000015cb8e0] system_call+0x38/0xfc [ 11.732043] Instruction dump: [ 11.732046] 40c20018 e9230000 792907a0 7c844b78 f8830000 4e800020 3d42fff2 892a0714 [ 11.732053] 2f890000 40feffe0 39200001 992a0714 <0fe00000> 4bffffd0 60000000 60000000 [ 11.732061] ---[ end trace 13c67d418143453c ]--- [ 11.732319] Installing knfsd (copyright (C) 1996 okir@xxxxxxxxxxxx). I have collected the o/p of the command suggested by David. Here is a snippet from the run File: ./arch/powerpc/kernel/built-in.o [383] __jump_table PROGBITS 0000000000000000 068020 000c78 18 WAM 0 0 1 File: ./arch/powerpc/kernel/rtasd.o File: ./arch/powerpc/kernel/of_platform.o File: ./arch/powerpc/kernel/eeh_event.o File: ./arch/powerpc/kernel/setup_64.o [18] __jump_table PROGBITS 0000000000000000 001240 000048 18 WAM 0 0 1 File: ./arch/powerpc/kernel/rtas-proc.o File: ./arch/powerpc/kernel/signal_64.o [13] __jump_table PROGBITS 0000000000000000 001c68 000060 18 WAM 0 0 1 Have attached the complete o/p here for reference. Thanks -Sachin
Attachment:
jump_table.log
Description: Binary data
