* [jfern:rcu/irq-exit-v2 7/7] kernel/rcu/tree.c:770:53: error: invalid operands to binary expression ('void' and 'int')
@ 2025-07-04 7:52 kernel test robot
0 siblings, 0 replies; only message in thread
From: kernel test robot @ 2025-07-04 7:52 UTC (permalink / raw)
To: Joel Fernandes; +Cc: llvm, oe-kbuild-all
tree: https://git.kernel.org/pub/scm/linux/kernel/git/jfern/linux.git rcu/irq-exit-v2
head: 19450082dae4c12bdd2b7cee28961eb27227a8fd
commit: 19450082dae4c12bdd2b7cee28961eb27227a8fd [7/7] rcu: Wire up irq_work state machine
config: hexagon-allmodconfig (https://download.01.org/0day-ci/archive/20250704/202507041547.GoYephdf-lkp@intel.com/config)
compiler: clang version 17.0.6 (https://github.com/llvm/llvm-project 6009708b4367171ccdbf4b5905cb6a803753fe18)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250704/202507041547.GoYephdf-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/202507041547.GoYephdf-lkp@intel.com/
All errors (new ones prefixed by >>):
| ^~~~~~~~~
include/linux/compiler_types.h:556:23: note: expanded from macro '_compiletime_assert'
556 | __compiletime_assert(condition, msg, prefix, suffix)
| ^~~~~~~~~
include/linux/compiler_types.h:548:9: note: expanded from macro '__compiletime_assert'
548 | if (!(condition)) \
| ^~~~~~~~~
kernel/rcu/tree.c:770:28: error: no member named 'rcu_defer_qs_iw_pending' in 'struct task_struct'
770 | if (value && READ_ONCE(t->rcu_defer_qs_iw_pending) == DEFER_QS_IDLE)
| ~ ^
include/asm-generic/rwonce.h:49:33: note: expanded from macro 'READ_ONCE'
49 | compiletime_assert_rwonce_type(x); \
| ^
include/asm-generic/rwonce.h:36:35: note: expanded from macro 'compiletime_assert_rwonce_type'
36 | compiletime_assert(__native_word(t) || sizeof(t) == sizeof(long long), \
| ^
include/linux/compiler_types.h:530:10: note: expanded from macro '__native_word'
530 | sizeof(t) == sizeof(int) || sizeof(t) == sizeof(long))
| ^
include/linux/compiler_types.h:568:22: note: expanded from macro 'compiletime_assert'
568 | _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
| ^~~~~~~~~
include/linux/compiler_types.h:556:23: note: expanded from macro '_compiletime_assert'
556 | __compiletime_assert(condition, msg, prefix, suffix)
| ^~~~~~~~~
include/linux/compiler_types.h:548:9: note: expanded from macro '__compiletime_assert'
548 | if (!(condition)) \
| ^~~~~~~~~
kernel/rcu/tree.c:770:28: error: no member named 'rcu_defer_qs_iw_pending' in 'struct task_struct'
770 | if (value && READ_ONCE(t->rcu_defer_qs_iw_pending) == DEFER_QS_IDLE)
| ~ ^
include/asm-generic/rwonce.h:49:33: note: expanded from macro 'READ_ONCE'
49 | compiletime_assert_rwonce_type(x); \
| ^
include/asm-generic/rwonce.h:36:35: note: expanded from macro 'compiletime_assert_rwonce_type'
36 | compiletime_assert(__native_word(t) || sizeof(t) == sizeof(long long), \
| ^
include/linux/compiler_types.h:530:38: note: expanded from macro '__native_word'
530 | sizeof(t) == sizeof(int) || sizeof(t) == sizeof(long))
| ^
include/linux/compiler_types.h:568:22: note: expanded from macro 'compiletime_assert'
568 | _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
| ^~~~~~~~~
include/linux/compiler_types.h:556:23: note: expanded from macro '_compiletime_assert'
556 | __compiletime_assert(condition, msg, prefix, suffix)
| ^~~~~~~~~
include/linux/compiler_types.h:548:9: note: expanded from macro '__compiletime_assert'
548 | if (!(condition)) \
| ^~~~~~~~~
kernel/rcu/tree.c:770:28: error: no member named 'rcu_defer_qs_iw_pending' in 'struct task_struct'
770 | if (value && READ_ONCE(t->rcu_defer_qs_iw_pending) == DEFER_QS_IDLE)
| ~ ^
include/asm-generic/rwonce.h:49:33: note: expanded from macro 'READ_ONCE'
49 | compiletime_assert_rwonce_type(x); \
| ^
include/asm-generic/rwonce.h:36:48: note: expanded from macro 'compiletime_assert_rwonce_type'
36 | compiletime_assert(__native_word(t) || sizeof(t) == sizeof(long long), \
| ^
include/linux/compiler_types.h:568:22: note: expanded from macro 'compiletime_assert'
568 | _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
| ^~~~~~~~~
include/linux/compiler_types.h:556:23: note: expanded from macro '_compiletime_assert'
556 | __compiletime_assert(condition, msg, prefix, suffix)
| ^~~~~~~~~
include/linux/compiler_types.h:548:9: note: expanded from macro '__compiletime_assert'
548 | if (!(condition)) \
| ^~~~~~~~~
kernel/rcu/tree.c:770:28: error: no member named 'rcu_defer_qs_iw_pending' in 'struct task_struct'
770 | if (value && READ_ONCE(t->rcu_defer_qs_iw_pending) == DEFER_QS_IDLE)
| ~ ^
include/asm-generic/rwonce.h:50:14: note: expanded from macro 'READ_ONCE'
50 | __READ_ONCE(x); \
| ^
include/asm-generic/rwonce.h:44:65: note: expanded from macro '__READ_ONCE'
44 | #define __READ_ONCE(x) (*(const volatile __unqual_scalar_typeof(x) *)&(x))
| ^
include/linux/compiler_types.h:518:13: note: expanded from macro '__unqual_scalar_typeof'
518 | _Generic((x), \
| ^
kernel/rcu/tree.c:770:28: error: no member named 'rcu_defer_qs_iw_pending' in 'struct task_struct'
770 | if (value && READ_ONCE(t->rcu_defer_qs_iw_pending) == DEFER_QS_IDLE)
| ~ ^
include/asm-generic/rwonce.h:50:14: note: expanded from macro 'READ_ONCE'
50 | __READ_ONCE(x); \
| ^
include/asm-generic/rwonce.h:44:65: note: expanded from macro '__READ_ONCE'
44 | #define __READ_ONCE(x) (*(const volatile __unqual_scalar_typeof(x) *)&(x))
| ^
include/linux/compiler_types.h:525:15: note: expanded from macro '__unqual_scalar_typeof'
525 | default: (x)))
| ^
kernel/rcu/tree.c:770:28: error: no member named 'rcu_defer_qs_iw_pending' in 'struct task_struct'
770 | if (value && READ_ONCE(t->rcu_defer_qs_iw_pending) == DEFER_QS_IDLE)
| ~ ^
include/asm-generic/rwonce.h:50:14: note: expanded from macro 'READ_ONCE'
50 | __READ_ONCE(x); \
| ^
include/asm-generic/rwonce.h:44:72: note: expanded from macro '__READ_ONCE'
44 | #define __READ_ONCE(x) (*(const volatile __unqual_scalar_typeof(x) *)&(x))
| ^
>> kernel/rcu/tree.c:770:53: error: invalid operands to binary expression ('void' and 'int')
770 | if (value && READ_ONCE(t->rcu_defer_qs_iw_pending) == DEFER_QS_IDLE)
| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ^ ~~~~~~~~~~~~~
kernel/rcu/tree.c:771:17: error: no member named 'rcu_defer_qs_iw_pending' in 'struct task_struct'
771 | WRITE_ONCE(t->rcu_defer_qs_iw_pending, DEFER_QS_REQUIRED);
| ~ ^
include/asm-generic/rwonce.h:60:33: note: expanded from macro 'WRITE_ONCE'
60 | compiletime_assert_rwonce_type(x); \
| ^
include/asm-generic/rwonce.h:36:35: note: expanded from macro 'compiletime_assert_rwonce_type'
36 | compiletime_assert(__native_word(t) || sizeof(t) == sizeof(long long), \
| ^
include/linux/compiler_types.h:529:10: note: expanded from macro '__native_word'
529 | (sizeof(t) == sizeof(char) || sizeof(t) == sizeof(short) || \
| ^
include/linux/compiler_types.h:568:22: note: expanded from macro 'compiletime_assert'
568 | _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
| ^~~~~~~~~
include/linux/compiler_types.h:556:23: note: expanded from macro '_compiletime_assert'
556 | __compiletime_assert(condition, msg, prefix, suffix)
| ^~~~~~~~~
include/linux/compiler_types.h:548:9: note: expanded from macro '__compiletime_assert'
548 | if (!(condition)) \
| ^~~~~~~~~
kernel/rcu/tree.c:771:17: error: no member named 'rcu_defer_qs_iw_pending' in 'struct task_struct'
771 | WRITE_ONCE(t->rcu_defer_qs_iw_pending, DEFER_QS_REQUIRED);
| ~ ^
include/asm-generic/rwonce.h:60:33: note: expanded from macro 'WRITE_ONCE'
60 | compiletime_assert_rwonce_type(x); \
| ^
include/asm-generic/rwonce.h:36:35: note: expanded from macro 'compiletime_assert_rwonce_type'
36 | compiletime_assert(__native_word(t) || sizeof(t) == sizeof(long long), \
| ^
include/linux/compiler_types.h:529:39: note: expanded from macro '__native_word'
529 | (sizeof(t) == sizeof(char) || sizeof(t) == sizeof(short) || \
| ^
include/linux/compiler_types.h:568:22: note: expanded from macro 'compiletime_assert'
568 | _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
| ^~~~~~~~~
include/linux/compiler_types.h:556:23: note: expanded from macro '_compiletime_assert'
556 | __compiletime_assert(condition, msg, prefix, suffix)
| ^~~~~~~~~
include/linux/compiler_types.h:548:9: note: expanded from macro '__compiletime_assert'
548 | if (!(condition)) \
| ^~~~~~~~~
kernel/rcu/tree.c:771:17: error: no member named 'rcu_defer_qs_iw_pending' in 'struct task_struct'
771 | WRITE_ONCE(t->rcu_defer_qs_iw_pending, DEFER_QS_REQUIRED);
| ~ ^
include/asm-generic/rwonce.h:60:33: note: expanded from macro 'WRITE_ONCE'
60 | compiletime_assert_rwonce_type(x); \
| ^
include/asm-generic/rwonce.h:36:35: note: expanded from macro 'compiletime_assert_rwonce_type'
36 | compiletime_assert(__native_word(t) || sizeof(t) == sizeof(long long), \
| ^
include/linux/compiler_types.h:530:10: note: expanded from macro '__native_word'
530 | sizeof(t) == sizeof(int) || sizeof(t) == sizeof(long))
| ^
include/linux/compiler_types.h:568:22: note: expanded from macro 'compiletime_assert'
568 | _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
| ^~~~~~~~~
include/linux/compiler_types.h:556:23: note: expanded from macro '_compiletime_assert'
556 | __compiletime_assert(condition, msg, prefix, suffix)
| ^~~~~~~~~
include/linux/compiler_types.h:548:9: note: expanded from macro '__compiletime_assert'
548 | if (!(condition)) \
| ^~~~~~~~~
kernel/rcu/tree.c:771:17: error: no member named 'rcu_defer_qs_iw_pending' in 'struct task_struct'
771 | WRITE_ONCE(t->rcu_defer_qs_iw_pending, DEFER_QS_REQUIRED);
| ~ ^
include/asm-generic/rwonce.h:60:33: note: expanded from macro 'WRITE_ONCE'
60 | compiletime_assert_rwonce_type(x); \
| ^
include/asm-generic/rwonce.h:36:35: note: expanded from macro 'compiletime_assert_rwonce_type'
36 | compiletime_assert(__native_word(t) || sizeof(t) == sizeof(long long), \
| ^
include/linux/compiler_types.h:530:38: note: expanded from macro '__native_word'
530 | sizeof(t) == sizeof(int) || sizeof(t) == sizeof(long))
| ^
include/linux/compiler_types.h:568:22: note: expanded from macro 'compiletime_assert'
568 | _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
| ^~~~~~~~~
include/linux/compiler_types.h:556:23: note: expanded from macro '_compiletime_assert'
556 | __compiletime_assert(condition, msg, prefix, suffix)
| ^~~~~~~~~
include/linux/compiler_types.h:548:9: note: expanded from macro '__compiletime_assert'
548 | if (!(condition)) \
| ^~~~~~~~~
kernel/rcu/tree.c:771:17: error: no member named 'rcu_defer_qs_iw_pending' in 'struct task_struct'
771 | WRITE_ONCE(t->rcu_defer_qs_iw_pending, DEFER_QS_REQUIRED);
| ~ ^
include/asm-generic/rwonce.h:60:33: note: expanded from macro 'WRITE_ONCE'
60 | compiletime_assert_rwonce_type(x); \
| ^
include/asm-generic/rwonce.h:36:48: note: expanded from macro 'compiletime_assert_rwonce_type'
36 | compiletime_assert(__native_word(t) || sizeof(t) == sizeof(long long), \
| ^
include/linux/compiler_types.h:568:22: note: expanded from macro 'compiletime_assert'
568 | _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
| ^~~~~~~~~
include/linux/compiler_types.h:556:23: note: expanded from macro '_compiletime_assert'
556 | __compiletime_assert(condition, msg, prefix, suffix)
vim +770 kernel/rcu/tree.c
764
765 /**
766 * rcu_set_blocked - Set blocked flag in task's rcu_special union
767 */
768 void rcu_set_blocked(struct task_struct *t, bool value)
769 {
> 770 if (value && READ_ONCE(t->rcu_defer_qs_iw_pending) == DEFER_QS_IDLE)
771 WRITE_ONCE(t->rcu_defer_qs_iw_pending, DEFER_QS_REQUIRED);
772
773 WRITE_ONCE(t->rcu_read_unlock_special.b.blocked, value);
774 }
775
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
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