* [jimc:folio-pool-v2-lockdep 14/21] kernel/locking/lockdep.c:6776:2: error: 'bootstrap_stack_trace' undeclared; did you mean 'save_stack_trace'?
@ 2026-08-18 13:18 kernel test robot
0 siblings, 0 replies; only message in thread
From: kernel test robot @ 2026-08-18 13:18 UTC (permalink / raw)
To: Jim Cromie, Łukasz Bartosik; +Cc: oe-kbuild-all
tree: https://github.com/jimc/linux.git folio-pool-v2-lockdep
head: e77ee8289ea0755b0ee299348504d4568f942d71
commit: 198cb0234063750d4125d2f5b3fd29f373fba200 [14/21] locking/lockdep: Migrate and compact stack trace entries into folio_scratchpad
config: sparc64-randconfig-001-20260818 (https://download.01.org/0day-ci/archive/20260818/202608182137.3ygq0RhO-lkp@intel.com/config)
compiler: sparc64-linux-gcc (GCC) 8.5.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260818/202608182137.3ygq0RhO-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/202608182137.3ygq0RhO-lkp@intel.com/
All errors (new ones prefixed by >>):
kernel/locking/lockdep.c: In function 'lockdep_init':
>> kernel/locking/lockdep.c:6776:2: error: 'bootstrap_stack_trace' undeclared (first use in this function); did you mean 'save_stack_trace'?
bootstrap_stack_trace = early_stack_trace;
^~~~~~~~~~~~~~~~~~~~~
save_stack_trace
kernel/locking/lockdep.c:6776:2: note: each undeclared identifier is reported only once for each function it appears in
>> kernel/locking/lockdep.c:6776:26: error: 'early_stack_trace' undeclared (first use in this function); did you mean 'save_stack_trace'?
bootstrap_stack_trace = early_stack_trace;
^~~~~~~~~~~~~~~~~
save_stack_trace
>> kernel/locking/lockdep.c:6777:2: error: 'bootstrap_stack_trace_in_use' undeclared (first use in this function); did you mean 'bootstrap_entries_in_use'?
bootstrap_stack_trace_in_use = &early_stack_trace_in_use;
^~~~~~~~~~~~~~~~~~~~~~~~~~~~
bootstrap_entries_in_use
>> kernel/locking/lockdep.c:6777:34: error: 'early_stack_trace_in_use' undeclared (first use in this function); did you mean 'save_stack_trace_user'?
bootstrap_stack_trace_in_use = &early_stack_trace_in_use;
^~~~~~~~~~~~~~~~~~~~~~~~
save_stack_trace_user
In file included from include/asm-generic/bug.h:31,
from arch/sparc/include/asm/bug.h:25,
from include/linux/bug.h:5,
from include/linux/thread_info.h:13,
from arch/sparc/include/asm/current.h:15,
from include/linux/mutex.h:14,
from kernel/locking/lockdep.c:30:
kernel/locking/lockdep.c: In function 'lockdep_boot_report':
kernel/locking/lockdep.c:6821:3: error: 'early_stack_trace_in_use' undeclared (first use in this function); did you mean 'save_stack_trace_user'?
early_stack_trace_in_use,
^~~~~~~~~~~~~~~~~~~~~~~~
include/linux/printk.h:483:19: note: in definition of macro 'printk_index_wrap'
_p_func(_fmt, ##__VA_ARGS__); \
^~~~~~~~~~~
include/linux/printk.h:584:2: note: in expansion of macro 'printk'
printk(KERN_INFO pr_fmt(fmt), ##__VA_ARGS__)
^~~~~~
kernel/locking/lockdep.c:6818:2: note: in expansion of macro 'pr_info'
pr_info("lockdep: %lu/%lu bootstrap entries, %lu/%lu bootstrap traces used before buddy init, folio_pool active\n",
^~~~~~~
>> kernel/locking/lockdep.c:6822:18: error: 'BOOTSTRAP_STACK_TRACE_ENTRIES' undeclared (first use in this function); did you mean 'MAX_STACK_TRACE_ENTRIES'?
(unsigned long)BOOTSTRAP_STACK_TRACE_ENTRIES);
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/printk.h:483:19: note: in definition of macro 'printk_index_wrap'
_p_func(_fmt, ##__VA_ARGS__); \
^~~~~~~~~~~
include/linux/printk.h:584:2: note: in expansion of macro 'printk'
printk(KERN_INFO pr_fmt(fmt), ##__VA_ARGS__)
^~~~~~
kernel/locking/lockdep.c:6818:2: note: in expansion of macro 'pr_info'
pr_info("lockdep: %lu/%lu bootstrap entries, %lu/%lu bootstrap traces used before buddy init, folio_pool active\n",
^~~~~~~
kernel/locking/lockdep.c: In function 'lockdep_compact_boot_graph':
kernel/locking/lockdep.c:6844:26: error: 'lockdep_trace_scratchpad' undeclared (first use in this function); did you mean 'lockdep_trace_stats'?
folio_scratchpad_alloc(&lockdep_trace_scratchpad, sizeof(struct lock_trace) + 32 * sizeof(unsigned long),
^~~~~~~~~~~~~~~~~~~~~~~~
lockdep_trace_stats
kernel/locking/lockdep.c:6844:59: error: invalid application of 'sizeof' to incomplete type 'struct lock_trace'
folio_scratchpad_alloc(&lockdep_trace_scratchpad, sizeof(struct lock_trace) + 32 * sizeof(unsigned long),
^~~~~~
In file included from include/linux/string.h:6,
from include/linux/bitmap.h:13,
from include/linux/cpumask.h:11,
from include/linux/smp.h:13,
from include/linux/lockdep.h:14,
from include/linux/mutex.h:17,
from kernel/locking/lockdep.c:30:
kernel/locking/lockdep.c:6854:29: error: 'stack_trace_hash' undeclared (first use in this function); did you mean 'stack_trace_save'?
for (i = 0; i < ARRAY_SIZE(stack_trace_hash); i++) {
^~~~~~~~~~~~~~~~
include/linux/array_size.h:11:33: note: in definition of macro 'ARRAY_SIZE'
#define ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0]) + __must_be_array(arr))
^~~
In file included from arch/sparc/include/asm/bug.h:6,
from include/linux/bug.h:5,
from include/linux/thread_info.h:13,
from arch/sparc/include/asm/current.h:15,
from include/linux/mutex.h:14,
from kernel/locking/lockdep.c:30:
include/linux/compiler.h:200:82: error: expression in static assertion is not an integer
#define __BUILD_BUG_ON_ZERO_MSG(e, msg, ...) ((int)sizeof(struct {_Static_assert(!(e), msg);}))
^
include/linux/compiler.h:205:28: note: in expansion of macro '__BUILD_BUG_ON_ZERO_MSG'
#define __must_be_array(a) __BUILD_BUG_ON_ZERO_MSG(!__is_array(a), \
^~~~~~~~~~~~~~~~~~~~~~~
include/linux/array_size.h:11:59: note: in expansion of macro '__must_be_array'
#define ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0]) + __must_be_array(arr))
^~~~~~~~~~~~~~~
kernel/locking/lockdep.c:6854:18: note: in expansion of macro 'ARRAY_SIZE'
for (i = 0; i < ARRAY_SIZE(stack_trace_hash); i++) {
^~~~~~~~~~
In file included from include/linux/list.h:5,
from include/linux/mutex.h:15,
from kernel/locking/lockdep.c:30:
include/linux/container_of.h:20:17: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast]
void *__mptr = (void *)(ptr); \
^
include/linux/list.h:1183:40: note: in expansion of macro 'container_of'
#define hlist_entry(ptr, type, member) container_of(ptr,type,member)
^~~~~~~~~~~~
include/linux/list.h:1194:15: note: in expansion of macro 'hlist_entry'
____ptr ? hlist_entry(____ptr, type, member) : NULL; \
^~~~~~~~~~~
include/linux/list.h:1235:13: note: in expansion of macro 'hlist_entry_safe'
for (pos = hlist_entry_safe((head)->first, typeof(*pos), member);\
^~~~~~~~~~~~~~~~
kernel/locking/lockdep.c:6858:3: note: in expansion of macro 'hlist_for_each_entry_safe'
hlist_for_each_entry_safe(trace, n, &stack_trace_hash[i], hash_entry) {
^~~~~~~~~~~~~~~~~~~~~~~~~
In file included from include/linux/init.h:5,
from include/linux/printk.h:6,
from include/asm-generic/bug.h:31,
from arch/sparc/include/asm/bug.h:25,
from include/linux/bug.h:5,
from include/linux/thread_info.h:13,
from arch/sparc/include/asm/current.h:15,
from include/linux/mutex.h:14,
from kernel/locking/lockdep.c:30:
include/linux/container_of.h:21:28: error: invalid type argument of unary '*' (have 'int')
static_assert(__same_type(*(ptr), ((type *)0)->member) || \
^~~~~~
include/linux/build_bug.h:80:56: note: in definition of macro '__static_assert'
#define __static_assert(expr, msg, ...) _Static_assert(expr, msg)
^~~~
include/linux/container_of.h:21:2: note: in expansion of macro 'static_assert'
static_assert(__same_type(*(ptr), ((type *)0)->member) || \
^~~~~~~~~~~~~
include/linux/container_of.h:21:16: note: in expansion of macro '__same_type'
static_assert(__same_type(*(ptr), ((type *)0)->member) || \
^~~~~~~~~~~
include/linux/list.h:1183:40: note: in expansion of macro 'container_of'
#define hlist_entry(ptr, type, member) container_of(ptr,type,member)
^~~~~~~~~~~~
include/linux/list.h:1194:15: note: in expansion of macro 'hlist_entry'
____ptr ? hlist_entry(____ptr, type, member) : NULL; \
^~~~~~~~~~~
include/linux/list.h:1235:13: note: in expansion of macro 'hlist_entry_safe'
for (pos = hlist_entry_safe((head)->first, typeof(*pos), member);\
^~~~~~~~~~~~~~~~
kernel/locking/lockdep.c:6858:3: note: in expansion of macro 'hlist_for_each_entry_safe'
hlist_for_each_entry_safe(trace, n, &stack_trace_hash[i], hash_entry) {
vim +6776 kernel/locking/lockdep.c
6771
6772 void __init lockdep_init(void)
6773 {
6774 bootstrap_entries = early_list_entries;
6775 bootstrap_entries_in_use = early_list_entries_in_use;
> 6776 bootstrap_stack_trace = early_stack_trace;
> 6777 bootstrap_stack_trace_in_use = &early_stack_trace_in_use;
6778
6779 pr_info("Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar\n");
6780
6781 pr_info("... MAX_LOCKDEP_SUBCLASSES: %lu\n", MAX_LOCKDEP_SUBCLASSES);
6782 pr_info("... MAX_LOCK_DEPTH: %lu\n", MAX_LOCK_DEPTH);
6783 pr_info("... MAX_LOCKDEP_KEYS: %lu\n", MAX_LOCKDEP_KEYS);
6784 pr_info("... CLASSHASH_SIZE: %lu\n", CLASSHASH_SIZE);
6785 pr_info("... MAX_LOCKDEP_ENTRIES: %lu\n", MAX_LOCKDEP_ENTRIES);
6786 pr_info("... MAX_LOCKDEP_CHAINS: %lu\n", MAX_LOCKDEP_CHAINS);
6787 pr_info("... CHAINHASH_SIZE: %lu\n", CHAINHASH_SIZE);
6788
6789 pr_info(" memory used by lock dependency info: %zu kB\n",
6790 (sizeof(lock_classes) +
6791 sizeof(lock_classes_in_use) +
6792 sizeof(classhash_table) +
6793 sizeof(early_list_entries) +
6794 sizeof(early_list_entries_in_use) +
6795 sizeof(chainhash_table) +
6796 sizeof(delayed_free)
6797 #ifdef CONFIG_PROVE_LOCKING
6798 + sizeof(lock_cq)
6799 + sizeof(lock_chains)
6800 + sizeof(lock_chains_in_use)
6801 + sizeof(chain_hlocks)
6802 #endif
6803 ) / 1024
6804 );
6805
6806 #if defined(CONFIG_TRACE_IRQFLAGS) && defined(CONFIG_PROVE_LOCKING)
6807 pr_info(" memory used for stack traces: dynamic (bootstrap %zu kB)\n",
6808 sizeof(early_stack_trace) / 1024
6809 );
6810 #endif
6811
6812 pr_info(" per task-struct memory footprint: %zu bytes\n",
6813 sizeof(((struct task_struct *)NULL)->held_locks));
6814 }
6815
6816 static int __init lockdep_boot_report(void)
6817 {
6818 pr_info("lockdep: %lu/%lu bootstrap entries, %lu/%lu bootstrap traces used before buddy init, folio_pool active\n",
6819 min_t(unsigned long, nr_list_entries, BOOTSTRAP_LOCKDEP_ENTRIES),
6820 BOOTSTRAP_LOCKDEP_ENTRIES,
6821 early_stack_trace_in_use,
> 6822 (unsigned long)BOOTSTRAP_STACK_TRACE_ENTRIES);
6823 return 0;
6824 }
6825 core_initcall(lockdep_boot_report);
6826
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
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2026-08-18 13:18 [jimc:folio-pool-v2-lockdep 14/21] kernel/locking/lockdep.c:6776:2: error: 'bootstrap_stack_trace' undeclared; did you mean 'save_stack_trace'? kernel test robot
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