From: kernel test robot <lkp@intel.com>
To: elver@google.com
Cc: oe-kbuild-all@lists.linux.dev
Subject: [melver:cap-analysis 17/21] include/linux/local_lock_internal.h:32:13: error: use of undeclared identifier 'current'
Date: Thu, 6 Feb 2025 12:00:31 +0800 [thread overview]
Message-ID: <202502061132.K0WpcCEC-lkp@intel.com> (raw)
tree: https://git.kernel.org/pub/scm/linux/kernel/git/melver/linux.git cap-analysis
head: 54cd719532c3784e74f9773c6be7005dec2c74bb
commit: e283c1f3a2ae347061eb98f4a3b46af0ed80eded [17/21] locking/local_lock: Support Clang's capability analysis
config: hexagon-allyesconfig (https://download.01.org/0day-ci/archive/20250206/202502061132.K0WpcCEC-lkp@intel.com/config)
compiler: clang version 18.1.8 (https://github.com/llvm/llvm-project 3b5b5c1ec4a3095ab096dd780e84d7ab81f3d7ff)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250206/202502061132.K0WpcCEC-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/202502061132.K0WpcCEC-lkp@intel.com/
All errors (new ones prefixed by >>):
In file included from lib/test_capability-analysis.c:8:
In file included from include/linux/local_lock.h:5:
>> include/linux/local_lock_internal.h:32:13: error: use of undeclared identifier 'current'
32 | l->owner = current;
| ^
include/linux/local_lock_internal.h:37:34: error: use of undeclared identifier 'current'
37 | DEBUG_LOCKS_WARN_ON(l->owner != current);
| ^
In file included from lib/test_capability-analysis.c:8:
>> include/linux/local_lock.h:59:7: error: call to undeclared function 'local_irq_enable'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
59 | local_unlock_irq(_T->lock))
| ^
include/linux/local_lock.h:43:33: note: expanded from macro 'local_unlock_irq'
43 | #define local_unlock_irq(lock) __local_unlock_irq(lock)
| ^
include/linux/local_lock_internal.h:111:3: note: expanded from macro '__local_unlock_irq'
111 | local_irq_enable(); \
| ^
In file included from lib/test_capability-analysis.c:8:
>> include/linux/local_lock.h:58:7: error: call to undeclared function 'local_irq_disable'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
58 | local_lock_irq(_T->lock),
| ^
include/linux/local_lock.h:22:31: note: expanded from macro 'local_lock_irq'
22 | #define local_lock_irq(lock) __local_lock_irq(lock)
| ^
include/linux/local_lock_internal.h:88:3: note: expanded from macro '__local_lock_irq'
88 | local_irq_disable(); \
| ^
In file included from lib/test_capability-analysis.c:8:
>> include/linux/local_lock.h:62:7: error: call to undeclared function 'local_irq_restore'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
62 | local_unlock_irqrestore(_T->lock, _T->flags),
| ^
include/linux/local_lock.h:52:2: note: expanded from macro 'local_unlock_irqrestore'
52 | __local_unlock_irqrestore(lock, flags)
| ^
include/linux/local_lock_internal.h:118:3: note: expanded from macro '__local_unlock_irqrestore'
118 | local_irq_restore(flags); \
| ^
In file included from lib/test_capability-analysis.c:8:
>> include/linux/local_lock.h:61:7: error: call to undeclared function 'local_irq_save'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
61 | local_lock_irqsave(_T->lock, _T->flags),
| ^
include/linux/local_lock.h:31:2: note: expanded from macro 'local_lock_irqsave'
31 | __local_lock_irqsave(lock, flags)
| ^
include/linux/local_lock_internal.h:95:3: note: expanded from macro '__local_lock_irqsave'
95 | local_irq_save(flags); \
| ^
In file included from lib/test_capability-analysis.c:8:
>> include/linux/local_lock.h:72:7: error: call to undeclared function 'raw_local_irq_save'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
72 | local_lock_nested_bh(_T->lock),
| ^
include/linux/local_lock.h:66:2: note: expanded from macro 'local_lock_nested_bh'
66 | __local_lock_nested_bh(_lock)
| ^
include/linux/local_lock_internal.h:123:3: note: expanded from macro '__local_lock_nested_bh'
123 | lockdep_assert_in_softirq(); \
| ^
include/linux/lockdep.h:618:15: note: expanded from macro 'lockdep_assert_in_softirq'
618 | WARN_ON_ONCE(__lockdep_enabled && \
| ^
note: (skipping 4 expansions in backtrace; use -fmacro-backtrace-limit=0 to see all)
include/asm-generic/percpu.h:375:31: note: expanded from macro 'this_cpu_read_1'
375 | #define this_cpu_read_1(pcp) this_cpu_generic_read(pcp)
| ^
include/asm-generic/percpu.h:148:11: note: expanded from macro 'this_cpu_generic_read'
148 | __ret = __this_cpu_generic_read_noirq(pcp); \
| ^
include/asm-generic/percpu.h:136:2: note: expanded from macro '__this_cpu_generic_read_noirq'
136 | raw_local_irq_save(___flags); \
| ^
In file included from lib/test_capability-analysis.c:8:
>> include/linux/local_lock.h:72:7: error: call to undeclared function 'raw_local_irq_restore'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
include/linux/local_lock.h:66:2: note: expanded from macro 'local_lock_nested_bh'
66 | __local_lock_nested_bh(_lock)
| ^
include/linux/local_lock_internal.h:123:3: note: expanded from macro '__local_lock_nested_bh'
123 | lockdep_assert_in_softirq(); \
| ^
include/linux/lockdep.h:618:15: note: expanded from macro 'lockdep_assert_in_softirq'
618 | WARN_ON_ONCE(__lockdep_enabled && \
| ^
note: (skipping 4 expansions in backtrace; use -fmacro-backtrace-limit=0 to see all)
include/asm-generic/percpu.h:375:31: note: expanded from macro 'this_cpu_read_1'
375 | #define this_cpu_read_1(pcp) this_cpu_generic_read(pcp)
| ^
include/asm-generic/percpu.h:148:11: note: expanded from macro 'this_cpu_generic_read'
148 | __ret = __this_cpu_generic_read_noirq(pcp); \
| ^
include/asm-generic/percpu.h:138:2: note: expanded from macro '__this_cpu_generic_read_noirq'
138 | raw_local_irq_restore(___flags); \
| ^
In file included from lib/test_capability-analysis.c:8:
>> include/linux/local_lock.h:72:7: error: call to undeclared function 'raw_local_irq_save'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
include/linux/local_lock.h:66:2: note: expanded from macro 'local_lock_nested_bh'
66 | __local_lock_nested_bh(_lock)
| ^
include/linux/local_lock_internal.h:123:3: note: expanded from macro '__local_lock_nested_bh'
123 | lockdep_assert_in_softirq(); \
| ^
include/linux/lockdep.h:618:15: note: expanded from macro 'lockdep_assert_in_softirq'
618 | WARN_ON_ONCE(__lockdep_enabled && \
| ^
note: (skipping 4 expansions in backtrace; use -fmacro-backtrace-limit=0 to see all)
include/asm-generic/percpu.h:378:31: note: expanded from macro 'this_cpu_read_2'
378 | #define this_cpu_read_2(pcp) this_cpu_generic_read(pcp)
| ^
include/asm-generic/percpu.h:148:11: note: expanded from macro 'this_cpu_generic_read'
148 | __ret = __this_cpu_generic_read_noirq(pcp); \
| ^
include/asm-generic/percpu.h:136:2: note: expanded from macro '__this_cpu_generic_read_noirq'
136 | raw_local_irq_save(___flags); \
| ^
In file included from lib/test_capability-analysis.c:8:
>> include/linux/local_lock.h:72:7: error: call to undeclared function 'raw_local_irq_restore'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
include/linux/local_lock.h:66:2: note: expanded from macro 'local_lock_nested_bh'
66 | __local_lock_nested_bh(_lock)
| ^
include/linux/local_lock_internal.h:123:3: note: expanded from macro '__local_lock_nested_bh'
123 | lockdep_assert_in_softirq(); \
| ^
include/linux/lockdep.h:618:15: note: expanded from macro 'lockdep_assert_in_softirq'
618 | WARN_ON_ONCE(__lockdep_enabled && \
| ^
note: (skipping 4 expansions in backtrace; use -fmacro-backtrace-limit=0 to see all)
include/asm-generic/percpu.h:378:31: note: expanded from macro 'this_cpu_read_2'
378 | #define this_cpu_read_2(pcp) this_cpu_generic_read(pcp)
| ^
include/asm-generic/percpu.h:148:11: note: expanded from macro 'this_cpu_generic_read'
148 | __ret = __this_cpu_generic_read_noirq(pcp); \
| ^
include/asm-generic/percpu.h:138:2: note: expanded from macro '__this_cpu_generic_read_noirq'
138 | raw_local_irq_restore(___flags); \
| ^
In file included from lib/test_capability-analysis.c:8:
>> include/linux/local_lock.h:72:7: error: call to undeclared function 'raw_local_irq_save'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
include/linux/local_lock.h:66:2: note: expanded from macro 'local_lock_nested_bh'
66 | __local_lock_nested_bh(_lock)
| ^
include/linux/local_lock_internal.h:123:3: note: expanded from macro '__local_lock_nested_bh'
123 | lockdep_assert_in_softirq(); \
| ^
include/linux/lockdep.h:618:15: note: expanded from macro 'lockdep_assert_in_softirq'
618 | WARN_ON_ONCE(__lockdep_enabled && \
| ^
note: (skipping 4 expansions in backtrace; use -fmacro-backtrace-limit=0 to see all)
include/asm-generic/percpu.h:381:31: note: expanded from macro 'this_cpu_read_4'
381 | #define this_cpu_read_4(pcp) this_cpu_generic_read(pcp)
| ^
include/asm-generic/percpu.h:148:11: note: expanded from macro 'this_cpu_generic_read'
148 | __ret = __this_cpu_generic_read_noirq(pcp); \
| ^
include/asm-generic/percpu.h:136:2: note: expanded from macro '__this_cpu_generic_read_noirq'
136 | raw_local_irq_save(___flags); \
| ^
In file included from lib/test_capability-analysis.c:8:
>> include/linux/local_lock.h:72:7: error: call to undeclared function 'raw_local_irq_restore'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
include/linux/local_lock.h:66:2: note: expanded from macro 'local_lock_nested_bh'
66 | __local_lock_nested_bh(_lock)
| ^
include/linux/local_lock_internal.h:123:3: note: expanded from macro '__local_lock_nested_bh'
123 | lockdep_assert_in_softirq(); \
| ^
include/linux/lockdep.h:618:15: note: expanded from macro 'lockdep_assert_in_softirq'
618 | WARN_ON_ONCE(__lockdep_enabled && \
| ^
note: (skipping 4 expansions in backtrace; use -fmacro-backtrace-limit=0 to see all)
include/asm-generic/percpu.h:381:31: note: expanded from macro 'this_cpu_read_4'
381 | #define this_cpu_read_4(pcp) this_cpu_generic_read(pcp)
| ^
include/asm-generic/percpu.h:148:11: note: expanded from macro 'this_cpu_generic_read'
148 | __ret = __this_cpu_generic_read_noirq(pcp); \
| ^
include/asm-generic/percpu.h:138:2: note: expanded from macro '__this_cpu_generic_read_noirq'
138 | raw_local_irq_restore(___flags); \
| ^
In file included from lib/test_capability-analysis.c:8:
>> include/linux/local_lock.h:72:7: error: call to undeclared function 'raw_local_irq_save'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
include/linux/local_lock.h:66:2: note: expanded from macro 'local_lock_nested_bh'
66 | __local_lock_nested_bh(_lock)
| ^
include/linux/local_lock_internal.h:123:3: note: expanded from macro '__local_lock_nested_bh'
123 | lockdep_assert_in_softirq(); \
| ^
include/linux/lockdep.h:618:15: note: expanded from macro 'lockdep_assert_in_softirq'
618 | WARN_ON_ONCE(__lockdep_enabled && \
| ^
note: (skipping 4 expansions in backtrace; use -fmacro-backtrace-limit=0 to see all)
include/asm-generic/percpu.h:384:31: note: expanded from macro 'this_cpu_read_8'
384 | #define this_cpu_read_8(pcp) this_cpu_generic_read(pcp)
| ^
include/asm-generic/percpu.h:148:11: note: expanded from macro 'this_cpu_generic_read'
148 | __ret = __this_cpu_generic_read_noirq(pcp); \
| ^
include/asm-generic/percpu.h:136:2: note: expanded from macro '__this_cpu_generic_read_noirq'
136 | raw_local_irq_save(___flags); \
| ^
In file included from lib/test_capability-analysis.c:8:
>> include/linux/local_lock.h:72:7: error: call to undeclared function 'raw_local_irq_restore'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
include/linux/local_lock.h:66:2: note: expanded from macro 'local_lock_nested_bh'
66 | __local_lock_nested_bh(_lock)
| ^
include/linux/local_lock_internal.h:123:3: note: expanded from macro '__local_lock_nested_bh'
123 | lockdep_assert_in_softirq(); \
| ^
include/linux/lockdep.h:618:15: note: expanded from macro 'lockdep_assert_in_softirq'
618 | WARN_ON_ONCE(__lockdep_enabled && \
| ^
note: (skipping 4 expansions in backtrace; use -fmacro-backtrace-limit=0 to see all)
include/asm-generic/percpu.h:384:31: note: expanded from macro 'this_cpu_read_8'
384 | #define this_cpu_read_8(pcp) this_cpu_generic_read(pcp)
| ^
include/asm-generic/percpu.h:148:11: note: expanded from macro 'this_cpu_generic_read'
148 | __ret = __this_cpu_generic_read_noirq(pcp); \
| ^
include/asm-generic/percpu.h:138:2: note: expanded from macro '__this_cpu_generic_read_noirq'
138 | raw_local_irq_restore(___flags); \
| ^
14 errors generated.
vim +/current +32 include/linux/local_lock_internal.h
91710728d1725d Thomas Gleixner 2020-05-27 18
91710728d1725d Thomas Gleixner 2020-05-27 19 #ifdef CONFIG_DEBUG_LOCK_ALLOC
d8bbd97ad0b99a Thomas Gleixner 2021-08-15 20 # define LOCAL_LOCK_DEBUG_INIT(lockname) \
91710728d1725d Thomas Gleixner 2020-05-27 21 .dep_map = { \
91710728d1725d Thomas Gleixner 2020-05-27 22 .name = #lockname, \
91710728d1725d Thomas Gleixner 2020-05-27 23 .wait_type_inner = LD_WAIT_CONFIG, \
dfd5e3f5fe27bd Peter Zijlstra 2020-12-09 24 .lock_type = LD_LOCK_PERCPU, \
d8bbd97ad0b99a Thomas Gleixner 2021-08-15 25 }, \
d8bbd97ad0b99a Thomas Gleixner 2021-08-15 26 .owner = NULL,
91710728d1725d Thomas Gleixner 2020-05-27 27
91710728d1725d Thomas Gleixner 2020-05-27 28 static inline void local_lock_acquire(local_lock_t *l)
91710728d1725d Thomas Gleixner 2020-05-27 29 {
91710728d1725d Thomas Gleixner 2020-05-27 30 lock_map_acquire(&l->dep_map);
91710728d1725d Thomas Gleixner 2020-05-27 31 DEBUG_LOCKS_WARN_ON(l->owner);
91710728d1725d Thomas Gleixner 2020-05-27 @32 l->owner = current;
91710728d1725d Thomas Gleixner 2020-05-27 33 }
91710728d1725d Thomas Gleixner 2020-05-27 34
:::::: The code at line 32 was first introduced by commit
:::::: 91710728d1725de51d06b40674abf6e860d592c7 locking: Introduce local_lock()
:::::: TO: Thomas Gleixner <tglx@linutronix.de>
:::::: CC: Ingo Molnar <mingo@kernel.org>
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
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