Re: [PATCH v13 08/14] x86/mm: global ASID context switch & TLB flush handling

kernel test robot
2025-02-24T18:41:21Z

Hi Rik,

kernel test robot noticed the following build errors:

[auto build test ERROR on tip/x86/core]
[also build test ERROR on tip/x86/mm tip/master linus/master v6.14-rc4 next-20250224]
[cannot apply to tip/auto-latest]
[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/Rik-van-Riel/x86-mm-consolidate-full-flush-threshold-decision/20250224-035335
base: tip/x86/core
patch link: https://lore.kernel.org/r/20250223194943.3518952-9-riel%40surriel.com
patch subject: [PATCH v13 08/14] x86/mm: global ASID context switch & TLB flush handling
config: i386-buildonly-randconfig-001-20250224 (https://download.01.org/0day-ci/archive/20250225/202502250255.UQONr93N-lkp@intel.com/config)
compiler: clang version 19.1.3 (https://github.com/llvm/llvm-project ab51eccf88f5321e7c60591c5546b254b6afab99)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250225/202502250255.UQONr93N-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/202502250255.UQONr93N-lkp@intel.com/

All errors (new ones prefixed by >>):

In file included from arch/x86/kernel/asm-offsets.c:14:
In file included from include/linux/suspend.h:5:
In file included from include/linux/swap.h:9:
In file included from include/linux/memcontrol.h:13:
In file included from include/linux/cgroup.h:17:
In file included from include/linux/fs.h:33:
In file included from include/linux/percpu-rwsem.h:7:
In file included from include/linux/rcuwait.h:6:
In file included from include/linux/sched/signal.h:9:
In file included from include/linux/sched/task.h:13:
In file included from include/linux/uaccess.h:12:
In file included from arch/x86/include/asm/uaccess.h:17:
>> arch/x86/include/asm/tlbflush.h:253:37: error: no member named 'asid_transition' in 'mm_context_t'
253 | return mm && READ_ONCE(mm->context.asid_transition);
| ~~~~~~~~~~~ ^
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:509:10: note: expanded from macro '__native_word'
509 | (sizeof(t) == sizeof(char) || sizeof(t) == sizeof(short) || \
| ^
include/linux/compiler_types.h:542:22: note: expanded from macro 'compiletime_assert'
542 | _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
| ^~~~~~~~~
include/linux/compiler_types.h:530:23: note: expanded from macro '_compiletime_assert'
530 | __compiletime_assert(condition, msg, prefix, suffix)
| ^~~~~~~~~
include/linux/compiler_types.h:522:9: note: expanded from macro '__compiletime_assert'
522 | if (!(condition)) \
| ^~~~~~~~~
In file included from arch/x86/kernel/asm-offsets.c:14:
In file included from include/linux/suspend.h:5:
In file included from include/linux/swap.h:9:
In file included from include/linux/memcontrol.h:13:
In file included from include/linux/cgroup.h:17:
In file included from include/linux/fs.h:33:
In file included from include/linux/percpu-rwsem.h:7:
In file included from include/linux/rcuwait.h:6:
In file included from include/linux/sched/signal.h:9:
In file included from include/linux/sched/task.h:13:
In file included from include/linux/uaccess.h:12:
In file included from arch/x86/include/asm/uaccess.h:17:
>> arch/x86/include/asm/tlbflush.h:253:37: error: no member named 'asid_transition' in 'mm_context_t'
253 | return mm && READ_ONCE(mm->context.asid_transition);
| ~~~~~~~~~~~ ^
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:509:39: note: expanded from macro '__native_word'
509 | (sizeof(t) == sizeof(char) || sizeof(t) == sizeof(short) || \
| ^
include/linux/compiler_types.h:542:22: note: expanded from macro 'compiletime_assert'
542 | _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
| ^~~~~~~~~
include/linux/compiler_types.h:530:23: note: expanded from macro '_compiletime_assert'
530 | __compiletime_assert(condition, msg, prefix, suffix)
| ^~~~~~~~~
include/linux/compiler_types.h:522:9: note: expanded from macro '__compiletime_assert'
522 | if (!(condition)) \
| ^~~~~~~~~
In file included from arch/x86/kernel/asm-offsets.c:14:
In file included from include/linux/suspend.h:5:
In file included from include/linux/swap.h:9:
In file included from include/linux/memcontrol.h:13:
In file included from include/linux/cgroup.h:17:
In file included from include/linux/fs.h:33:
In file included from include/linux/percpu-rwsem.h:7:
In file included from include/linux/rcuwait.h:6:
In file included from include/linux/sched/signal.h:9:
In file included from include/linux/sched/task.h:13:
In file included from include/linux/uaccess.h:12:
In file included from arch/x86/include/asm/uaccess.h:17:
>> arch/x86/include/asm/tlbflush.h:253:37: error: no member named 'asid_transition' in 'mm_context_t'
253 | return mm && READ_ONCE(mm->context.asid_transition);
| ~~~~~~~~~~~ ^
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:510:10: note: expanded from macro '__native_word'
510 | sizeof(t) == sizeof(int) || sizeof(t) == sizeof(long))
| ^
include/linux/compiler_types.h:542:22: note: expanded from macro 'compiletime_assert'
542 | _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
| ^~~~~~~~~
include/linux/compiler_types.h:530:23: note: expanded from macro '_compiletime_assert'
530 | __compiletime_assert(condition, msg, prefix, suffix)
| ^~~~~~~~~
include/linux/compiler_types.h:522:9: note: expanded from macro '__compiletime_assert'
522 | if (!(condition)) \
| ^~~~~~~~~
In file included from arch/x86/kernel/asm-offsets.c:14:
In file included from include/linux/suspend.h:5:
In file included from include/linux/swap.h:9:
In file included from include/linux/memcontrol.h:13:
In file included from include/linux/cgroup.h:17:
In file included from include/linux/fs.h:33:
In file included from include/linux/percpu-rwsem.h:7:
In file included from include/linux/rcuwait.h:6:
In file included from include/linux/sched/signal.h:9:
In file included from include/linux/sched/task.h:13:
In file included from include/linux/uaccess.h:12:
In file included from arch/x86/include/asm/uaccess.h:17:
>> arch/x86/include/asm/tlbflush.h:253:37: error: no member named 'asid_transition' in 'mm_context_t'
253 | return mm && READ_ONCE(mm->context.asid_transition);
| ~~~~~~~~~~~ ^
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:510:38: note: expanded from macro '__native_word'
510 | sizeof(t) == sizeof(int) || sizeof(t) == sizeof(long))
| ^
include/linux/compiler_types.h:542:22: note: expanded from macro 'compiletime_assert'
542 | _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
| ^~~~~~~~~
include/linux/compiler_types.h:530:23: note: expanded from macro '_compiletime_assert'
530 | __compiletime_assert(condition, msg, prefix, suffix)
| ^~~~~~~~~
include/linux/compiler_types.h:522:9: note: expanded from macro '__compiletime_assert'
522 | if (!(condition)) \
| ^~~~~~~~~
In file included from arch/x86/kernel/asm-offsets.c:14:
In file included from include/linux/suspend.h:5:
In file included from include/linux/swap.h:9:
In file included from include/linux/memcontrol.h:13:
In file included from include/linux/cgroup.h:17:
In file included from include/linux/fs.h:33:
In file included from include/linux/percpu-rwsem.h:7:
In file included from include/linux/rcuwait.h:6:
In file included from include/linux/sched/signal.h:9:
In file included from include/linux/sched/task.h:13:
In file included from include/linux/uaccess.h:12:
In file included from arch/x86/include/asm/uaccess.h:17:
>> arch/x86/include/asm/tlbflush.h:253:37: error: no member named 'asid_transition' in 'mm_context_t'
253 | return mm && READ_ONCE(mm->context.asid_transition);
| ~~~~~~~~~~~ ^
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:542:22: note: expanded from macro 'compiletime_assert'
542 | _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
| ^~~~~~~~~
include/linux/compiler_types.h:530:23: note: expanded from macro '_compiletime_assert'
530 | __compiletime_assert(condition, msg, prefix, suffix)
| ^~~~~~~~~
include/linux/compiler_types.h:522:9: note: expanded from macro '__compiletime_assert'
522 | if (!(condition)) \
| ^~~~~~~~~
In file included from arch/x86/kernel/asm-offsets.c:14:
In file included from include/linux/suspend.h:5:
In file included from include/linux/swap.h:9:
In file included from include/linux/memcontrol.h:13:
In file included from include/linux/cgroup.h:17:
In file included from include/linux/fs.h:33:
In file included from include/linux/percpu-rwsem.h:7:
In file included from include/linux/rcuwait.h:6:
In file included from include/linux/sched/signal.h:9:
In file included from include/linux/sched/task.h:13:
In file included from include/linux/uaccess.h:12:
In file included from arch/x86/include/asm/uaccess.h:17:
>> arch/x86/include/asm/tlbflush.h:253:37: error: no member named 'asid_transition' in 'mm_context_t'
253 | return mm && READ_ONCE(mm->context.asid_transition);
| ~~~~~~~~~~~ ^
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:498:13: note: expanded from macro '__unqual_scalar_typeof'
498 | _Generic((x), \
| ^
In file included from arch/x86/kernel/asm-offsets.c:14:
In file included from include/linux/suspend.h:5:
In file included from include/linux/swap.h:9:
In file included from include/linux/memcontrol.h:13:
In file included from include/linux/cgroup.h:17:
In file included from include/linux/fs.h:33:
In file included from include/linux/percpu-rwsem.h:7:
In file included from include/linux/rcuwait.h:6:
In file included from include/linux/sched/signal.h:9:
In file included from include/linux/sched/task.h:13:
In file included from include/linux/uaccess.h:12:
In file included from arch/x86/include/asm/uaccess.h:17:
>> arch/x86/include/asm/tlbflush.h:253:37: error: no member named 'asid_transition' in 'mm_context_t'
253 | return mm && READ_ONCE(mm->context.asid_transition);
| ~~~~~~~~~~~ ^
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:505:15: note: expanded from macro '__unqual_scalar_typeof'
505 | default: (x)))
| ^
In file included from arch/x86/kernel/asm-offsets.c:14:
In file included from include/linux/suspend.h:5:
In file included from include/linux/swap.h:9:
In file included from include/linux/memcontrol.h:13:
In file included from include/linux/cgroup.h:17:
In file included from include/linux/fs.h:33:
In file included from include/linux/percpu-rwsem.h:7:
In file included from include/linux/rcuwait.h:6:
In file included from include/linux/sched/signal.h:9:
In file included from include/linux/sched/task.h:13:
In file included from include/linux/uaccess.h:12:
In file included from arch/x86/include/asm/uaccess.h:17:
>> arch/x86/include/asm/tlbflush.h:253:37: error: no member named 'asid_transition' in 'mm_context_t'
253 | return mm && READ_ONCE(mm->context.asid_transition);
| ~~~~~~~~~~~ ^
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))
| ^
In file included from arch/x86/kernel/asm-offsets.c:14:
In file included from include/linux/suspend.h:5:
In file included from include/linux/swap.h:9:
In file included from include/linux/memcontrol.h:13:
In file included from include/linux/cgroup.h:17:
In file included from include/linux/fs.h:33:
In file included from include/linux/percpu-rwsem.h:7:
In file included from include/linux/rcuwait.h:6:
In file included from include/linux/sched/signal.h:9:
In file included from include/linux/sched/task.h:13:
In file included from include/linux/uaccess.h:12:
In file included from arch/x86/include/asm/uaccess.h:17:
>> arch/x86/include/asm/tlbflush.h:253:12: error: invalid operands to binary expression ('struct mm_struct *' and 'void')
253 | return mm && READ_ONCE(mm->context.asid_transition);
| ~~ ^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
9 errors generated.
make[3]: *** [scripts/Makefile.build:102: arch/x86/kernel/asm-offsets.s] Error 1 shuffle=1461763656
make[3]: Target 'prepare' not remade because of errors.
make[2]: *** [Makefile:1264: prepare0] Error 2 shuffle=1461763656
make[2]: Target 'prepare' not remade because of errors.
make[1]: *** [Makefile:251: __sub-make] Error 2 shuffle=1461763656
make[1]: Target 'prepare' not remade because of errors.
make: *** [Makefile:251: __sub-make] Error 2 shuffle=1461763656
make: Target 'prepare' not remade because of errors.

vim +253 arch/x86/include/asm/tlbflush.h

247
248 static inline bool in_asid_transition(struct mm_struct *mm)
249 {
250 if (!cpu_feature_enabled(X86_FEATURE_INVLPGB))
251 return false;
252
> 253 return mm && READ_ONCE(mm->context.asid_transition);
254 }
255

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