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Date: Tue, 17 Mar 2020 10:54:28 +0800
From: kbuild test robot <lkp@...el.com>
To: Dmitry Safonov <dima@...sta.com>
Cc: kbuild-all@...ts.01.org, linux-kernel@...r.kernel.org,
Linux Memory Management List <linux-mm@...ck.org>
Subject: Re: [PATCHv2 50/50] kernel: Rename show_stack_loglvl() =>
show_stack()
Hi Dmitry,
Thank you for the patch! Yet something to improve:
[auto build test ERROR on arm64/for-next/core]
[also build test ERROR on ia64/next linus/master v5.6-rc6 next-20200316]
[cannot apply to tip/x86/core]
[if your patch is applied to the wrong git tree, please drop us a note to help
improve the system. BTW, we also suggest to use '--base' option to specify the
base tree in git format-patch, please see https://stackoverflow.com/a/37406982]
url: https://github.com/0day-ci/linux/commits/Dmitry-Safonov/Add-log-level-to-show_stack/20200317-080358
base: https://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-next/core
config: sparc-allyesconfig (attached as .config)
compiler: sparc64-linux-gcc (GCC) 9.2.0
reproduce:
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# save the attached .config to linux build tree
GCC_VERSION=9.2.0 make.cross ARCH=sparc
If you fix the issue, kindly add following tag
Reported-by: kbuild test robot <lkp@...el.com>
All errors (new ones prefixed by >>):
>> arch/sparc/kernel/traps_64.c:2455:6: error: conflicting types for 'show_stack'
2455 | void show_stack(struct task_struct *tsk, unsigned long *_ksp)
| ^~~~~~~~~~
In file included from arch/sparc/kernel/traps_64.c:14:
include/linux/sched/debug.h:33:13: note: previous declaration of 'show_stack' was here
33 | extern void show_stack(struct task_struct *task, unsigned long *sp,
| ^~~~~~~~~~
vim +/show_stack +2455 arch/sparc/kernel/traps_64.c
^1da177e4c3f41 arch/sparc64/kernel/traps.c Linus Torvalds 2005-04-16 2454
^1da177e4c3f41 arch/sparc64/kernel/traps.c Linus Torvalds 2005-04-16 @2455 void show_stack(struct task_struct *tsk, unsigned long *_ksp)
^1da177e4c3f41 arch/sparc64/kernel/traps.c Linus Torvalds 2005-04-16 2456 {
c6fee0810df4e0 arch/sparc/kernel/traps_64.c David S. Miller 2011-02-26 2457 unsigned long fp, ksp;
c1f193a7aed1b4 arch/sparc64/kernel/traps.c David S. Miller 2007-07-30 2458 struct thread_info *tp;
^1da177e4c3f41 arch/sparc64/kernel/traps.c Linus Torvalds 2005-04-16 2459 int count = 0;
667f0cee3e0321 arch/sparc/kernel/traps_64.c David S. Miller 2010-04-21 2460 #ifdef CONFIG_FUNCTION_GRAPH_TRACER
667f0cee3e0321 arch/sparc/kernel/traps_64.c David S. Miller 2010-04-21 2461 int graph = 0;
667f0cee3e0321 arch/sparc/kernel/traps_64.c David S. Miller 2010-04-21 2462 #endif
^1da177e4c3f41 arch/sparc64/kernel/traps.c Linus Torvalds 2005-04-16 2463
^1da177e4c3f41 arch/sparc64/kernel/traps.c Linus Torvalds 2005-04-16 2464 ksp = (unsigned long) _ksp;
c1f193a7aed1b4 arch/sparc64/kernel/traps.c David S. Miller 2007-07-30 2465 if (!tsk)
c1f193a7aed1b4 arch/sparc64/kernel/traps.c David S. Miller 2007-07-30 2466 tsk = current;
c1f193a7aed1b4 arch/sparc64/kernel/traps.c David S. Miller 2007-07-30 2467 tp = task_thread_info(tsk);
c1f193a7aed1b4 arch/sparc64/kernel/traps.c David S. Miller 2007-07-30 2468 if (ksp == 0UL) {
c1f193a7aed1b4 arch/sparc64/kernel/traps.c David S. Miller 2007-07-30 2469 if (tsk == current)
c1f193a7aed1b4 arch/sparc64/kernel/traps.c David S. Miller 2007-07-30 2470 asm("mov %%fp, %0" : "=r" (ksp));
c1f193a7aed1b4 arch/sparc64/kernel/traps.c David S. Miller 2007-07-30 2471 else
c1f193a7aed1b4 arch/sparc64/kernel/traps.c David S. Miller 2007-07-30 2472 ksp = tp->ksp;
c1f193a7aed1b4 arch/sparc64/kernel/traps.c David S. Miller 2007-07-30 2473 }
^1da177e4c3f41 arch/sparc64/kernel/traps.c Linus Torvalds 2005-04-16 2474 if (tp == current_thread_info())
^1da177e4c3f41 arch/sparc64/kernel/traps.c Linus Torvalds 2005-04-16 2475 flushw_all();
^1da177e4c3f41 arch/sparc64/kernel/traps.c Linus Torvalds 2005-04-16 2476
^1da177e4c3f41 arch/sparc64/kernel/traps.c Linus Torvalds 2005-04-16 2477 fp = ksp + STACK_BIAS;
^1da177e4c3f41 arch/sparc64/kernel/traps.c Linus Torvalds 2005-04-16 2478
4fe3ebec122f23 arch/sparc64/kernel/traps.c David S. Miller 2008-07-17 2479 printk("Call Trace:\n");
^1da177e4c3f41 arch/sparc64/kernel/traps.c Linus Torvalds 2005-04-16 2480 do {
14d2c68baa659c arch/sparc64/kernel/traps.c David S. Miller 2008-05-21 2481 struct sparc_stackf *sf;
77c664fa586240 arch/sparc64/kernel/traps.c David S. Miller 2008-04-24 2482 struct pt_regs *regs;
77c664fa586240 arch/sparc64/kernel/traps.c David S. Miller 2008-04-24 2483 unsigned long pc;
77c664fa586240 arch/sparc64/kernel/traps.c David S. Miller 2008-04-24 2484
4f70f7a91bffdc arch/sparc64/kernel/traps.c David S. Miller 2008-08-12 2485 if (!kstack_valid(tp, fp))
^1da177e4c3f41 arch/sparc64/kernel/traps.c Linus Torvalds 2005-04-16 2486 break;
14d2c68baa659c arch/sparc64/kernel/traps.c David S. Miller 2008-05-21 2487 sf = (struct sparc_stackf *) fp;
14d2c68baa659c arch/sparc64/kernel/traps.c David S. Miller 2008-05-21 2488 regs = (struct pt_regs *) (sf + 1);
77c664fa586240 arch/sparc64/kernel/traps.c David S. Miller 2008-04-24 2489
4f70f7a91bffdc arch/sparc64/kernel/traps.c David S. Miller 2008-08-12 2490 if (kstack_is_trap_frame(tp, regs)) {
14d2c68baa659c arch/sparc64/kernel/traps.c David S. Miller 2008-05-21 2491 if (!(regs->tstate & TSTATE_PRIV))
14d2c68baa659c arch/sparc64/kernel/traps.c David S. Miller 2008-05-21 2492 break;
77c664fa586240 arch/sparc64/kernel/traps.c David S. Miller 2008-04-24 2493 pc = regs->tpc;
77c664fa586240 arch/sparc64/kernel/traps.c David S. Miller 2008-04-24 2494 fp = regs->u_regs[UREG_I6] + STACK_BIAS;
77c664fa586240 arch/sparc64/kernel/traps.c David S. Miller 2008-04-24 2495 } else {
14d2c68baa659c arch/sparc64/kernel/traps.c David S. Miller 2008-05-21 2496 pc = sf->callers_pc;
14d2c68baa659c arch/sparc64/kernel/traps.c David S. Miller 2008-05-21 2497 fp = (unsigned long)sf->fp + STACK_BIAS;
77c664fa586240 arch/sparc64/kernel/traps.c David S. Miller 2008-04-24 2498 }
77c664fa586240 arch/sparc64/kernel/traps.c David S. Miller 2008-04-24 2499
4fe3ebec122f23 arch/sparc64/kernel/traps.c David S. Miller 2008-07-17 2500 printk(" [%016lx] %pS\n", pc, (void *) pc);
667f0cee3e0321 arch/sparc/kernel/traps_64.c David S. Miller 2010-04-21 2501 #ifdef CONFIG_FUNCTION_GRAPH_TRACER
667f0cee3e0321 arch/sparc/kernel/traps_64.c David S. Miller 2010-04-21 2502 if ((pc + 8UL) == (unsigned long) &return_to_handler) {
945626db0961d8 arch/sparc/kernel/traps_64.c Steven Rostedt (VMware 2018-12-07 2503) struct ftrace_ret_stack *ret_stack;
945626db0961d8 arch/sparc/kernel/traps_64.c Steven Rostedt (VMware 2018-12-07 2504) ret_stack = ftrace_graph_get_ret_stack(tsk, graph);
945626db0961d8 arch/sparc/kernel/traps_64.c Steven Rostedt (VMware 2018-12-07 2505) if (ret_stack) {
945626db0961d8 arch/sparc/kernel/traps_64.c Steven Rostedt (VMware 2018-12-07 2506) pc = ret_stack->ret;
667f0cee3e0321 arch/sparc/kernel/traps_64.c David S. Miller 2010-04-21 2507 printk(" [%016lx] %pS\n", pc, (void *) pc);
667f0cee3e0321 arch/sparc/kernel/traps_64.c David S. Miller 2010-04-21 2508 graph++;
667f0cee3e0321 arch/sparc/kernel/traps_64.c David S. Miller 2010-04-21 2509 }
667f0cee3e0321 arch/sparc/kernel/traps_64.c David S. Miller 2010-04-21 2510 }
667f0cee3e0321 arch/sparc/kernel/traps_64.c David S. Miller 2010-04-21 2511 #endif
^1da177e4c3f41 arch/sparc64/kernel/traps.c Linus Torvalds 2005-04-16 2512 } while (++count < 16);
^1da177e4c3f41 arch/sparc64/kernel/traps.c Linus Torvalds 2005-04-16 2513 }
^1da177e4c3f41 arch/sparc64/kernel/traps.c Linus Torvalds 2005-04-16 2514
:::::: The code at line 2455 was first introduced by commit
:::::: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Linux-2.6.12-rc2
:::::: TO: Linus Torvalds <torvalds@...970.osdl.org>
:::::: CC: Linus Torvalds <torvalds@...970.osdl.org>
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
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