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Message-ID: <202406072141.OLmqbch3-lkp@intel.com>
Date: Fri, 7 Jun 2024 21:37:54 +0800
From: kernel test robot <lkp@...el.com>
To: Johannes Berg <johannes@...solutions.net>, linux-kernel@...r.kernel.org
Cc: llvm@...ts.linux.dev, oe-kbuild-all@...ts.linux.dev,
linux-trace-kernel@...r.kernel.org, netdev@...r.kernel.org,
linux-wireless@...r.kernel.org,
Johannes Berg <johannes.berg@...el.com>
Subject: Re: [PATCH v3 1/4] tracing: add __print_sym() to replace
__print_symbolic()
Hi Johannes,
kernel test robot noticed the following build errors:
[auto build test ERROR on mcgrof/modules-next]
[also build test ERROR on arnd-asm-generic/master tip/timers/core net/main net-next/main linus/master horms-ipvs/master v6.10-rc2 next-20240607]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch#_base_tree_information]
url: https://github.com/intel-lab-lkp/linux/commits/Johannes-Berg/tracing-add-__print_sym-to-replace-__print_symbolic/20240607-043503
base: https://git.kernel.org/pub/scm/linux/kernel/git/mcgrof/linux.git modules-next
patch link: https://lore.kernel.org/r/20240606203255.49433-7-johannes%40sipsolutions.net
patch subject: [PATCH v3 1/4] tracing: add __print_sym() to replace __print_symbolic()
config: arm64-randconfig-002-20240607 (https://download.01.org/0day-ci/archive/20240607/202406072141.OLmqbch3-lkp@intel.com/config)
compiler: clang version 19.0.0git (https://github.com/llvm/llvm-project d7d2d4f53fc79b4b58e8d8d08151b577c3699d4a)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240607/202406072141.OLmqbch3-lkp@intel.com/reproduce)
If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@...el.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202406072141.OLmqbch3-lkp@intel.com/
All errors (new ones prefixed by >>):
In file included from kernel/trace/trace_events.c:15:
In file included from include/linux/security.h:33:
In file included from include/linux/mm.h:2210:
include/linux/vmstat.h:522:36: warning: arithmetic between different enumeration types ('enum node_stat_item' and 'enum lru_list') [-Wenum-enum-conversion]
522 | return node_stat_name(NR_LRU_BASE + lru) + 3; // skip "nr_"
| ~~~~~~~~~~~ ^ ~~~
>> kernel/trace/trace_events.c:1586:17: error: incomplete definition of type 'struct module'
1586 | sym_defs = mod->trace_sym_defs;
| ~~~^
include/linux/printk.h:350:8: note: forward declaration of 'struct module'
350 | struct module;
| ^
kernel/trace/trace_events.c:1587:19: error: incomplete definition of type 'struct module'
1587 | n_sym_defs = mod->num_trace_sym_defs;
| ~~~^
include/linux/printk.h:350:8: note: forward declaration of 'struct module'
350 | struct module;
| ^
1 warning and 2 errors generated.
vim +1586 kernel/trace/trace_events.c
1575
1576 /* note: @name is not NUL-terminated */
1577 static void show_sym_list(struct seq_file *m, struct trace_event_call *call,
1578 const char *name, unsigned int name_len)
1579 {
1580 struct trace_sym_def **sym_defs;
1581 unsigned int n_sym_defs, i;
1582
1583 if (call->module) {
1584 struct module *mod = call->module;
1585
> 1586 sym_defs = mod->trace_sym_defs;
1587 n_sym_defs = mod->num_trace_sym_defs;
1588 } else {
1589 sym_defs = __start_ftrace_sym_defs;
1590 n_sym_defs = __stop_ftrace_sym_defs - __start_ftrace_sym_defs;
1591 }
1592
1593 for (i = 0; i < n_sym_defs; i++) {
1594 unsigned int sym_len;
1595
1596 if (!sym_defs[i])
1597 continue;
1598 if (sym_defs[i]->system != call->class->system)
1599 continue;
1600 sym_len = strlen(sym_defs[i]->symbol_id);
1601 if (name_len != sym_len)
1602 continue;
1603 if (strncmp(sym_defs[i]->symbol_id, name, sym_len))
1604 continue;
1605 if (sym_defs[i]->show)
1606 sym_defs[i]->show(m);
1607 break;
1608 }
1609 }
1610
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
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