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

kernel test robot
2025-02-23T23:09:46Z

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-20250221]
[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: x86_64-buildonly-randconfig-004-20250224 (https://download.01.org/0day-ci/archive/20250224/202502240650.kzshiji7-lkp@intel.com/config)
compiler: gcc-12 (Debian 12.2.0-14) 12.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250224/202502240650.kzshiji7-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/202502240650.kzshiji7-lkp@intel.com/

All errors (new ones prefixed by >>):

In file included from <command-line>:
arch/x86/include/asm/tlbflush.h: In function 'in_asid_transition':
>> arch/x86/include/asm/tlbflush.h:253:43: error: 'mm_context_t' has no member named 'asid_transition'
253 | return mm && READ_ONCE(mm->context.asid_transition);
| ^
include/linux/compiler_types.h:522:23: note: in definition of macro '__compiletime_assert'
522 | if (!(condition)) \
| ^~~~~~~~~
include/linux/compiler_types.h:542:9: note: in expansion of macro '_compiletime_assert'
542 | _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
| ^~~~~~~~~~~~~~~~~~~
include/asm-generic/rwonce.h:36:9: note: in expansion of macro 'compiletime_assert'
36 | compiletime_assert(__native_word(t) || sizeof(t) == sizeof(long long), \
| ^~~~~~~~~~~~~~~~~~
include/asm-generic/rwonce.h:36:28: note: in expansion of macro '__native_word'
36 | compiletime_assert(__native_word(t) || sizeof(t) == sizeof(long long), \
| ^~~~~~~~~~~~~
include/asm-generic/rwonce.h:49:9: note: in expansion of macro 'compiletime_assert_rwonce_type'
49 | compiletime_assert_rwonce_type(x); \
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
arch/x86/include/asm/tlbflush.h:253:22: note: in expansion of macro 'READ_ONCE'
253 | return mm && READ_ONCE(mm->context.asid_transition);
| ^~~~~~~~~
>> arch/x86/include/asm/tlbflush.h:253:43: error: 'mm_context_t' has no member named 'asid_transition'
253 | return mm && READ_ONCE(mm->context.asid_transition);
| ^
include/linux/compiler_types.h:522:23: note: in definition of macro '__compiletime_assert'
522 | if (!(condition)) \
| ^~~~~~~~~
include/linux/compiler_types.h:542:9: note: in expansion of macro '_compiletime_assert'
542 | _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
| ^~~~~~~~~~~~~~~~~~~
include/asm-generic/rwonce.h:36:9: note: in expansion of macro 'compiletime_assert'
36 | compiletime_assert(__native_word(t) || sizeof(t) == sizeof(long long), \
| ^~~~~~~~~~~~~~~~~~
include/asm-generic/rwonce.h:36:28: note: in expansion of macro '__native_word'
36 | compiletime_assert(__native_word(t) || sizeof(t) == sizeof(long long), \
| ^~~~~~~~~~~~~
include/asm-generic/rwonce.h:49:9: note: in expansion of macro 'compiletime_assert_rwonce_type'
49 | compiletime_assert_rwonce_type(x); \
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
arch/x86/include/asm/tlbflush.h:253:22: note: in expansion of macro 'READ_ONCE'
253 | return mm && READ_ONCE(mm->context.asid_transition);
| ^~~~~~~~~
>> arch/x86/include/asm/tlbflush.h:253:43: error: 'mm_context_t' has no member named 'asid_transition'
253 | return mm && READ_ONCE(mm->context.asid_transition);
| ^
include/linux/compiler_types.h:522:23: note: in definition of macro '__compiletime_assert'
522 | if (!(condition)) \
| ^~~~~~~~~
include/linux/compiler_types.h:542:9: note: in expansion of macro '_compiletime_assert'
542 | _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
| ^~~~~~~~~~~~~~~~~~~
include/asm-generic/rwonce.h:36:9: note: in expansion of macro 'compiletime_assert'
36 | compiletime_assert(__native_word(t) || sizeof(t) == sizeof(long long), \
| ^~~~~~~~~~~~~~~~~~
include/asm-generic/rwonce.h:36:28: note: in expansion of macro '__native_word'
36 | compiletime_assert(__native_word(t) || sizeof(t) == sizeof(long long), \
| ^~~~~~~~~~~~~
include/asm-generic/rwonce.h:49:9: note: in expansion of macro 'compiletime_assert_rwonce_type'
49 | compiletime_assert_rwonce_type(x); \
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
arch/x86/include/asm/tlbflush.h:253:22: note: in expansion of macro 'READ_ONCE'
253 | return mm && READ_ONCE(mm->context.asid_transition);
| ^~~~~~~~~
>> arch/x86/include/asm/tlbflush.h:253:43: error: 'mm_context_t' has no member named 'asid_transition'
253 | return mm && READ_ONCE(mm->context.asid_transition);
| ^
include/linux/compiler_types.h:522:23: note: in definition of macro '__compiletime_assert'
522 | if (!(condition)) \
| ^~~~~~~~~
include/linux/compiler_types.h:542:9: note: in expansion of macro '_compiletime_assert'
542 | _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
| ^~~~~~~~~~~~~~~~~~~
include/asm-generic/rwonce.h:36:9: note: in expansion of macro 'compiletime_assert'
36 | compiletime_assert(__native_word(t) || sizeof(t) == sizeof(long long), \
| ^~~~~~~~~~~~~~~~~~
include/asm-generic/rwonce.h:36:28: note: in expansion of macro '__native_word'
36 | compiletime_assert(__native_word(t) || sizeof(t) == sizeof(long long), \
| ^~~~~~~~~~~~~
include/asm-generic/rwonce.h:49:9: note: in expansion of macro 'compiletime_assert_rwonce_type'
49 | compiletime_assert_rwonce_type(x); \
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
arch/x86/include/asm/tlbflush.h:253:22: note: in expansion of macro 'READ_ONCE'
253 | return mm && READ_ONCE(mm->context.asid_transition);
| ^~~~~~~~~
>> arch/x86/include/asm/tlbflush.h:253:43: error: 'mm_context_t' has no member named 'asid_transition'
253 | return mm && READ_ONCE(mm->context.asid_transition);
| ^
include/linux/compiler_types.h:522:23: note: in definition of macro '__compiletime_assert'
522 | if (!(condition)) \
| ^~~~~~~~~
include/linux/compiler_types.h:542:9: note: in expansion of macro '_compiletime_assert'
542 | _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
| ^~~~~~~~~~~~~~~~~~~
include/asm-generic/rwonce.h:36:9: note: in expansion of macro 'compiletime_assert'
36 | compiletime_assert(__native_word(t) || sizeof(t) == sizeof(long long), \
| ^~~~~~~~~~~~~~~~~~
include/asm-generic/rwonce.h:49:9: note: in expansion of macro 'compiletime_assert_rwonce_type'
49 | compiletime_assert_rwonce_type(x); \
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
arch/x86/include/asm/tlbflush.h:253:22: note: in expansion of macro 'READ_ONCE'
253 | return mm && READ_ONCE(mm->context.asid_transition);
| ^~~~~~~~~
>> arch/x86/include/asm/tlbflush.h:253:43: error: 'mm_context_t' has no member named 'asid_transition'
253 | return mm && READ_ONCE(mm->context.asid_transition);
| ^
include/linux/compiler_types.h:498:27: note: in definition of macro '__unqual_scalar_typeof'
498 | _Generic((x), \
| ^
include/asm-generic/rwonce.h:50:9: note: in expansion of macro '__READ_ONCE'
50 | __READ_ONCE(x); \
| ^~~~~~~~~~~
arch/x86/include/asm/tlbflush.h:253:22: note: in expansion of macro 'READ_ONCE'
253 | return mm && READ_ONCE(mm->context.asid_transition);
| ^~~~~~~~~
In file included from ./arch/x86/include/generated/asm/rwonce.h:1,
from include/linux/compiler.h:354,
from include/linux/build_bug.h:5,
from include/linux/container_of.h:5,
from include/linux/list.h:5,
from include/linux/swait.h:5,
from include/linux/completion.h:12,
from include/linux/crypto.h:15,
from arch/x86/kernel/asm-offsets.c:9:
>> arch/x86/include/asm/tlbflush.h:253:43: error: 'mm_context_t' has no member named 'asid_transition'
253 | return mm && READ_ONCE(mm->context.asid_transition);
| ^
include/asm-generic/rwonce.h:44:73: note: in definition of macro '__READ_ONCE'
44 | #define __READ_ONCE(x) (*(const volatile __unqual_scalar_typeof(x) *)&(x))
| ^
arch/x86/include/asm/tlbflush.h:253:22: note: in expansion of macro 'READ_ONCE'
253 | return mm && READ_ONCE(mm->context.asid_transition);
| ^~~~~~~~~
make[3]: *** [scripts/Makefile.build:102: arch/x86/kernel/asm-offsets.s] Error 1 shuffle=3847572294
make[3]: Target 'prepare' not remade because of errors.
make[2]: *** [Makefile:1264: prepare0] Error 2 shuffle=3847572294
make[2]: Target 'prepare' not remade because of errors.
make[1]: *** [Makefile:251: __sub-make] Error 2 shuffle=3847572294
make[1]: Target 'prepare' not remade because of errors.
make: *** [Makefile:251: __sub-make] Error 2 shuffle=3847572294
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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