* [jpoimboe:sframe 16/17] kernel/unwind/user.c:210:8: error: no member named 'nr_entries' in 'struct unwind_user_info'; did you mean 'entries'?
@ 2024-10-25 12:31 kernel test robot
0 siblings, 0 replies; only message in thread
From: kernel test robot @ 2024-10-25 12:31 UTC (permalink / raw)
To: Josh Poimboeuf; +Cc: llvm, oe-kbuild-all
tree: https://git.kernel.org/pub/scm/linux/kernel/git/jpoimboe/linux.git sframe
head: 7f54f6a91246a746ba799c52c97effb41e28a88b
commit: 7a409ba76d997448b80fddf0b3fc96f554aeff14 [16/17] ctx_ctr
config: x86_64-kexec (https://download.01.org/0day-ci/archive/20241025/202410252011.eFEIsaJK-lkp@intel.com/config)
compiler: clang version 19.1.2 (https://github.com/llvm/llvm-project 7ba7d8e2f7b6445b60679da826210cdde29eaf8b)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241025/202410252011.eFEIsaJK-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@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202410252011.eFEIsaJK-lkp@intel.com/
All errors (new ones prefixed by >>):
In file included from kernel/unwind/user.c:15:
In file included from include/linux/mm.h:2232:
include/linux/vmstat.h:503:43: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Wenum-enum-conversion]
503 | return vmstat_text[NR_VM_ZONE_STAT_ITEMS +
| ~~~~~~~~~~~~~~~~~~~~~ ^
504 | item];
| ~~~~
include/linux/vmstat.h:510:43: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Wenum-enum-conversion]
510 | return vmstat_text[NR_VM_ZONE_STAT_ITEMS +
| ~~~~~~~~~~~~~~~~~~~~~ ^
511 | NR_VM_NUMA_EVENT_ITEMS +
| ~~~~~~~~~~~~~~~~~~~~~~
include/linux/vmstat.h:517:36: warning: arithmetic between different enumeration types ('enum node_stat_item' and 'enum lru_list') [-Wenum-enum-conversion]
517 | return node_stat_name(NR_LRU_BASE + lru) + 3; // skip "nr_"
| ~~~~~~~~~~~ ^ ~~~
include/linux/vmstat.h:523:43: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Wenum-enum-conversion]
523 | return vmstat_text[NR_VM_ZONE_STAT_ITEMS +
| ~~~~~~~~~~~~~~~~~~~~~ ^
524 | NR_VM_NUMA_EVENT_ITEMS +
| ~~~~~~~~~~~~~~~~~~~~~~
>> kernel/unwind/user.c:210:8: error: no member named 'nr_entries' in 'struct unwind_user_info'; did you mean 'entries'?
210 | info->nr_entries = trace.nr;
| ^~~~~~~~~~
| entries
include/linux/unwind_user.h:12:18: note: 'entries' declared here
12 | unsigned long *entries;
| ^
>> kernel/unwind/user.c:211:8: error: no member named 'last_cookie' in 'struct unwind_user_info'; did you mean 'ctx_cookie'?
211 | info->last_cookie = cookie;
| ^~~~~~~~~~~
| ctx_cookie
include/linux/unwind_user.h:13:8: note: 'ctx_cookie' declared here
13 | u64 ctx_cookie;
| ^
4 warnings and 2 errors generated.
vim +210 kernel/unwind/user.c
f16e616d9fd585 Josh Poimboeuf 2024-09-16 172
f16e616d9fd585 Josh Poimboeuf 2024-09-16 173 static void unwind_user_task_work(struct callback_head *unused)
f16e616d9fd585 Josh Poimboeuf 2024-09-16 174 {
f16e616d9fd585 Josh Poimboeuf 2024-09-16 175 struct unwind_user_info *info = ¤t->unwind_user_info;
f16e616d9fd585 Josh Poimboeuf 2024-09-16 176 struct unwind_stacktrace trace;
f16e616d9fd585 Josh Poimboeuf 2024-09-16 177 unsigned long pending_callbacks;
f16e616d9fd585 Josh Poimboeuf 2024-09-16 178 u64 cookie;
f16e616d9fd585 Josh Poimboeuf 2024-09-16 179 u64 cpu, ctx_ctr;
f16e616d9fd585 Josh Poimboeuf 2024-09-16 180 int i;
f16e616d9fd585 Josh Poimboeuf 2024-09-16 181
f16e616d9fd585 Josh Poimboeuf 2024-09-16 182 BUILD_BUG_ON(UNWIND_MAX_CALLBACKS > 32);
f16e616d9fd585 Josh Poimboeuf 2024-09-16 183
f16e616d9fd585 Josh Poimboeuf 2024-09-16 184 if (WARN_ON_ONCE(!info->ctx_cookie || !info->pending_callbacks))
f16e616d9fd585 Josh Poimboeuf 2024-09-16 185 return;
f16e616d9fd585 Josh Poimboeuf 2024-09-16 186
f16e616d9fd585 Josh Poimboeuf 2024-09-16 187 scoped_guard(irqsave) {
f16e616d9fd585 Josh Poimboeuf 2024-09-16 188 pending_callbacks = info->pending_callbacks;
f16e616d9fd585 Josh Poimboeuf 2024-09-16 189 cookie = info->ctx_cookie;
f16e616d9fd585 Josh Poimboeuf 2024-09-16 190
f16e616d9fd585 Josh Poimboeuf 2024-09-16 191 info->pending_callbacks = 0;
f16e616d9fd585 Josh Poimboeuf 2024-09-16 192 info->ctx_cookie = 0;
f16e616d9fd585 Josh Poimboeuf 2024-09-16 193
f16e616d9fd585 Josh Poimboeuf 2024-09-16 194 cpu = raw_smp_processor_id();
f16e616d9fd585 Josh Poimboeuf 2024-09-16 195 ctx_ctr = __this_cpu_read(unwind_ctx_ctr);
f16e616d9fd585 Josh Poimboeuf 2024-09-16 196 }
f16e616d9fd585 Josh Poimboeuf 2024-09-16 197
f16e616d9fd585 Josh Poimboeuf 2024-09-16 198 if (!info->entries) {
f16e616d9fd585 Josh Poimboeuf 2024-09-16 199 info->entries = kmalloc(UNWIND_MAX_ENTRIES * sizeof(long),
f16e616d9fd585 Josh Poimboeuf 2024-09-16 200 GFP_KERNEL);
f16e616d9fd585 Josh Poimboeuf 2024-09-16 201 if (!info->entries)
f16e616d9fd585 Josh Poimboeuf 2024-09-16 202 return;
f16e616d9fd585 Josh Poimboeuf 2024-09-16 203 }
f16e616d9fd585 Josh Poimboeuf 2024-09-16 204
f16e616d9fd585 Josh Poimboeuf 2024-09-16 205 trace.entries = info->entries;
f16e616d9fd585 Josh Poimboeuf 2024-09-16 206
f16e616d9fd585 Josh Poimboeuf 2024-09-16 207 trace.nr = 0;
f16e616d9fd585 Josh Poimboeuf 2024-09-16 208 unwind_user(&trace, UNWIND_MAX_ENTRIES);
f16e616d9fd585 Josh Poimboeuf 2024-09-16 209
f16e616d9fd585 Josh Poimboeuf 2024-09-16 @210 info->nr_entries = trace.nr;
f16e616d9fd585 Josh Poimboeuf 2024-09-16 @211 info->last_cookie = cookie;
f16e616d9fd585 Josh Poimboeuf 2024-09-16 212
f16e616d9fd585 Josh Poimboeuf 2024-09-16 213 guard(rwsem_read)(&callbacks_rwsem);
f16e616d9fd585 Josh Poimboeuf 2024-09-16 214
f16e616d9fd585 Josh Poimboeuf 2024-09-16 215 for_each_set_bit(i, &pending_callbacks, UNWIND_MAX_CALLBACKS) {
f16e616d9fd585 Josh Poimboeuf 2024-09-16 216 if (callbacks[i])
f16e616d9fd585 Josh Poimboeuf 2024-09-16 217 callbacks[i]->func(&trace, cookie, info->privs[i]);
f16e616d9fd585 Josh Poimboeuf 2024-09-16 218 }
f16e616d9fd585 Josh Poimboeuf 2024-09-16 219 }
f16e616d9fd585 Josh Poimboeuf 2024-09-16 220
:::::: The code at line 210 was first introduced by commit
:::::: f16e616d9fd58524e2200a34c267279e578816a7 unwind: Add deferred userspace unwinding API
:::::: TO: Josh Poimboeuf <jpoimboe@kernel.org>
:::::: CC: Josh Poimboeuf <jpoimboe@kernel.org>
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
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2024-10-25 12:31 [jpoimboe:sframe 16/17] kernel/unwind/user.c:210:8: error: no member named 'nr_entries' in 'struct unwind_user_info'; did you mean 'entries'? kernel test robot
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