Re: [PATCH 1/2] CPU, NUMA topology ABIs: clarify the overflow issue of sysfs pagebuf

From: kernel test robot
Date: Thu May 06 2021 - 19:17:29 EST

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Hi Tian,

I love your patch! Yet something to improve:

[auto build test ERROR on lwn/docs-next]
[also build test ERROR on driver-core/driver-core-testing linus/master v5.12 next-20210506]
[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]

url: https://github.com/0day-ci/linux/commits/Tian-Tao/clarify-and-cleanup-CPU-and-NUMA-topology-ABIs/20210429-150451
base: git://git.lwn.net/linux-2.6 docs-next
config: mips-allyesconfig (attached as .config)
compiler: mips-linux-gcc (GCC) 9.3.0
reproduce (this is a W=1 build):
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# https://github.com/0day-ci/linux/commit/357a0babc7ad904e3099bf86034af88cf5ce2a70
git remote add linux-review https://github.com/0day-ci/linux
git fetch --no-tags linux-review Tian-Tao/clarify-and-cleanup-CPU-and-NUMA-topology-ABIs/20210429-150451
git checkout 357a0babc7ad904e3099bf86034af88cf5ce2a70
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross W=1 ARCH=mips

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@xxxxxxxxx>

All errors (new ones prefixed by >>):

In file included from arch/mips/include/asm/io.h:31,
from arch/mips/include/asm/page.h:200,
from include/linux/cpumask.h:15,
from include/linux/smp.h:13,
from arch/mips/include/asm/cpu-type.h:12,
from arch/mips/include/asm/timex.h:19,
from include/linux/timex.h:65,
from include/linux/time32.h:13,
from include/linux/time.h:60,
from include/linux/compat.h:10,
from arch/mips/kernel/asm-offsets.c:12:
>> arch/mips/include/asm/processor.h:269:2: error: unknown type name 'cpumask_t'
269 | cpumask_t user_cpus_allowed;
| ^~~~~~~~~
arch/mips/kernel/asm-offsets.c:26:6: warning: no previous prototype for 'output_ptreg_defines' [-Wmissing-prototypes]
26 | void output_ptreg_defines(void)
| ^~~~~~~~~~~~~~~~~~~~
arch/mips/kernel/asm-offsets.c:78:6: warning: no previous prototype for 'output_task_defines' [-Wmissing-prototypes]
78 | void output_task_defines(void)
| ^~~~~~~~~~~~~~~~~~~
arch/mips/kernel/asm-offsets.c:93:6: warning: no previous prototype for 'output_thread_info_defines' [-Wmissing-prototypes]
93 | void output_thread_info_defines(void)
| ^~~~~~~~~~~~~~~~~~~~~~~~~~
arch/mips/kernel/asm-offsets.c:110:6: warning: no previous prototype for 'output_thread_defines' [-Wmissing-prototypes]
110 | void output_thread_defines(void)
| ^~~~~~~~~~~~~~~~~~~~~
arch/mips/kernel/asm-offsets.c:138:6: warning: no previous prototype for 'output_thread_fpu_defines' [-Wmissing-prototypes]
138 | void output_thread_fpu_defines(void)
| ^~~~~~~~~~~~~~~~~~~~~~~~~
arch/mips/kernel/asm-offsets.c:181:6: warning: no previous prototype for 'output_mm_defines' [-Wmissing-prototypes]
181 | void output_mm_defines(void)
| ^~~~~~~~~~~~~~~~~
arch/mips/kernel/asm-offsets.c:220:6: warning: no previous prototype for 'output_sc_defines' [-Wmissing-prototypes]
220 | void output_sc_defines(void)
| ^~~~~~~~~~~~~~~~~
arch/mips/kernel/asm-offsets.c:255:6: warning: no previous prototype for 'output_signal_defined' [-Wmissing-prototypes]
255 | void output_signal_defined(void)
| ^~~~~~~~~~~~~~~~~~~~~
arch/mips/kernel/asm-offsets.c:322:6: warning: no previous prototype for 'output_pbe_defines' [-Wmissing-prototypes]
322 | void output_pbe_defines(void)
| ^~~~~~~~~~~~~~~~~~
arch/mips/kernel/asm-offsets.c:334:6: warning: no previous prototype for 'output_pm_defines' [-Wmissing-prototypes]
334 | void output_pm_defines(void)
| ^~~~~~~~~~~~~~~~~
arch/mips/kernel/asm-offsets.c:348:6: warning: no previous prototype for 'output_kvm_defines' [-Wmissing-prototypes]
348 | void output_kvm_defines(void)
| ^~~~~~~~~~~~~~~~~~
arch/mips/kernel/asm-offsets.c:392:6: warning: no previous prototype for 'output_cps_defines' [-Wmissing-prototypes]
392 | void output_cps_defines(void)
| ^~~~~~~~~~~~~~~~~~
--
In file included from arch/mips/include/asm/io.h:31,
from arch/mips/include/asm/page.h:200,
from include/linux/cpumask.h:15,
from include/linux/smp.h:13,
from arch/mips/include/asm/cpu-type.h:12,
from arch/mips/include/asm/timex.h:19,
from include/linux/timex.h:65,
from include/linux/time32.h:13,
from include/linux/time.h:60,
from include/linux/compat.h:10,
from arch/mips/kernel/asm-offsets.c:12:
>> arch/mips/include/asm/processor.h:269:2: error: unknown type name 'cpumask_t'
269 | cpumask_t user_cpus_allowed;
| ^~~~~~~~~
arch/mips/kernel/asm-offsets.c:26:6: warning: no previous prototype for 'output_ptreg_defines' [-Wmissing-prototypes]
26 | void output_ptreg_defines(void)
| ^~~~~~~~~~~~~~~~~~~~
arch/mips/kernel/asm-offsets.c:78:6: warning: no previous prototype for 'output_task_defines' [-Wmissing-prototypes]
78 | void output_task_defines(void)
| ^~~~~~~~~~~~~~~~~~~
arch/mips/kernel/asm-offsets.c:93:6: warning: no previous prototype for 'output_thread_info_defines' [-Wmissing-prototypes]
93 | void output_thread_info_defines(void)
| ^~~~~~~~~~~~~~~~~~~~~~~~~~
arch/mips/kernel/asm-offsets.c:110:6: warning: no previous prototype for 'output_thread_defines' [-Wmissing-prototypes]
110 | void output_thread_defines(void)
| ^~~~~~~~~~~~~~~~~~~~~
arch/mips/kernel/asm-offsets.c:138:6: warning: no previous prototype for 'output_thread_fpu_defines' [-Wmissing-prototypes]
138 | void output_thread_fpu_defines(void)
| ^~~~~~~~~~~~~~~~~~~~~~~~~
arch/mips/kernel/asm-offsets.c:181:6: warning: no previous prototype for 'output_mm_defines' [-Wmissing-prototypes]
181 | void output_mm_defines(void)
| ^~~~~~~~~~~~~~~~~
arch/mips/kernel/asm-offsets.c:220:6: warning: no previous prototype for 'output_sc_defines' [-Wmissing-prototypes]
220 | void output_sc_defines(void)
| ^~~~~~~~~~~~~~~~~
arch/mips/kernel/asm-offsets.c:255:6: warning: no previous prototype for 'output_signal_defined' [-Wmissing-prototypes]
255 | void output_signal_defined(void)
| ^~~~~~~~~~~~~~~~~~~~~
arch/mips/kernel/asm-offsets.c:322:6: warning: no previous prototype for 'output_pbe_defines' [-Wmissing-prototypes]
322 | void output_pbe_defines(void)
| ^~~~~~~~~~~~~~~~~~
arch/mips/kernel/asm-offsets.c:334:6: warning: no previous prototype for 'output_pm_defines' [-Wmissing-prototypes]
334 | void output_pm_defines(void)
| ^~~~~~~~~~~~~~~~~
arch/mips/kernel/asm-offsets.c:348:6: warning: no previous prototype for 'output_kvm_defines' [-Wmissing-prototypes]
348 | void output_kvm_defines(void)
| ^~~~~~~~~~~~~~~~~~
arch/mips/kernel/asm-offsets.c:392:6: warning: no previous prototype for 'output_cps_defines' [-Wmissing-prototypes]
392 | void output_cps_defines(void)
| ^~~~~~~~~~~~~~~~~~
make[2]: *** [scripts/Makefile.build:116: arch/mips/kernel/asm-offsets.s] Error 1
make[2]: Target '__build' not remade because of errors.
make[1]: *** [Makefile:1233: prepare0] Error 2
make[1]: Target 'modules_prepare' not remade because of errors.
make: *** [Makefile:215: __sub-make] Error 2
make: Target 'modules_prepare' not remade because of errors.
--
In file included from arch/mips/include/asm/io.h:31,
from arch/mips/include/asm/page.h:200,
from include/linux/cpumask.h:15,
from include/linux/smp.h:13,
from arch/mips/include/asm/cpu-type.h:12,
from arch/mips/include/asm/timex.h:19,
from include/linux/timex.h:65,
from include/linux/time32.h:13,
from include/linux/time.h:60,
from include/linux/compat.h:10,
from arch/mips/kernel/asm-offsets.c:12:
>> arch/mips/include/asm/processor.h:269:2: error: unknown type name 'cpumask_t'
269 | cpumask_t user_cpus_allowed;
| ^~~~~~~~~
arch/mips/kernel/asm-offsets.c:26:6: warning: no previous prototype for 'output_ptreg_defines' [-Wmissing-prototypes]
26 | void output_ptreg_defines(void)
| ^~~~~~~~~~~~~~~~~~~~
arch/mips/kernel/asm-offsets.c:78:6: warning: no previous prototype for 'output_task_defines' [-Wmissing-prototypes]
78 | void output_task_defines(void)
| ^~~~~~~~~~~~~~~~~~~
arch/mips/kernel/asm-offsets.c:93:6: warning: no previous prototype for 'output_thread_info_defines' [-Wmissing-prototypes]
93 | void output_thread_info_defines(void)
| ^~~~~~~~~~~~~~~~~~~~~~~~~~
arch/mips/kernel/asm-offsets.c:110:6: warning: no previous prototype for 'output_thread_defines' [-Wmissing-prototypes]
110 | void output_thread_defines(void)
| ^~~~~~~~~~~~~~~~~~~~~
arch/mips/kernel/asm-offsets.c:138:6: warning: no previous prototype for 'output_thread_fpu_defines' [-Wmissing-prototypes]
138 | void output_thread_fpu_defines(void)
| ^~~~~~~~~~~~~~~~~~~~~~~~~
arch/mips/kernel/asm-offsets.c:181:6: warning: no previous prototype for 'output_mm_defines' [-Wmissing-prototypes]
181 | void output_mm_defines(void)
| ^~~~~~~~~~~~~~~~~
arch/mips/kernel/asm-offsets.c:220:6: warning: no previous prototype for 'output_sc_defines' [-Wmissing-prototypes]
220 | void output_sc_defines(void)
| ^~~~~~~~~~~~~~~~~
arch/mips/kernel/asm-offsets.c:255:6: warning: no previous prototype for 'output_signal_defined' [-Wmissing-prototypes]
255 | void output_signal_defined(void)
| ^~~~~~~~~~~~~~~~~~~~~
arch/mips/kernel/asm-offsets.c:322:6: warning: no previous prototype for 'output_pbe_defines' [-Wmissing-prototypes]
322 | void output_pbe_defines(void)
| ^~~~~~~~~~~~~~~~~~
arch/mips/kernel/asm-offsets.c:334:6: warning: no previous prototype for 'output_pm_defines' [-Wmissing-prototypes]
334 | void output_pm_defines(void)
| ^~~~~~~~~~~~~~~~~
arch/mips/kernel/asm-offsets.c:348:6: warning: no previous prototype for 'output_kvm_defines' [-Wmissing-prototypes]
348 | void output_kvm_defines(void)
| ^~~~~~~~~~~~~~~~~~
arch/mips/kernel/asm-offsets.c:392:6: warning: no previous prototype for 'output_cps_defines' [-Wmissing-prototypes]
392 | void output_cps_defines(void)
| ^~~~~~~~~~~~~~~~~~
make[2]: *** [scripts/Makefile.build:116: arch/mips/kernel/asm-offsets.s] Error 1
make[2]: Target '__build' not remade because of errors.
make[1]: *** [Makefile:1233: prepare0] Error 2
make[1]: Target 'prepare' not remade because of errors.
make: *** [Makefile:215: __sub-make] Error 2
make: Target 'prepare' not remade because of errors.

vim +/cpumask_t +269 arch/mips/include/asm/processor.h

e50c0a8fa60da9a include/asm-mips/processor.h Ralf Baechle 2005-05-31 242
^1da177e4c3f415 include/asm-mips/processor.h Linus Torvalds 2005-04-16 243 /*
^1da177e4c3f415 include/asm-mips/processor.h Linus Torvalds 2005-04-16 244 * If you change thread_struct remember to change the #defines below too!
^1da177e4c3f415 include/asm-mips/processor.h Linus Torvalds 2005-04-16 245 */
^1da177e4c3f415 include/asm-mips/processor.h Linus Torvalds 2005-04-16 246 struct thread_struct {
^1da177e4c3f415 include/asm-mips/processor.h Linus Torvalds 2005-04-16 247 /* Saved main processor registers. */
^1da177e4c3f415 include/asm-mips/processor.h Linus Torvalds 2005-04-16 248 unsigned long reg16;
^1da177e4c3f415 include/asm-mips/processor.h Linus Torvalds 2005-04-16 249 unsigned long reg17, reg18, reg19, reg20, reg21, reg22, reg23;
^1da177e4c3f415 include/asm-mips/processor.h Linus Torvalds 2005-04-16 250 unsigned long reg29, reg30, reg31;
^1da177e4c3f415 include/asm-mips/processor.h Linus Torvalds 2005-04-16 251
^1da177e4c3f415 include/asm-mips/processor.h Linus Torvalds 2005-04-16 252 /* Saved cp0 stuff. */
^1da177e4c3f415 include/asm-mips/processor.h Linus Torvalds 2005-04-16 253 unsigned long cp0_status;
^1da177e4c3f415 include/asm-mips/processor.h Linus Torvalds 2005-04-16 254
2725f3778fddb70 arch/mips/include/asm/processor.h Paul Burton 2018-11-07 255 #ifdef CONFIG_MIPS_FP_SUPPORT
^1da177e4c3f415 include/asm-mips/processor.h Linus Torvalds 2005-04-16 256 /* Saved fpu/fpu emulator stuff. */
37cddff8e330a87 arch/mips/include/asm/processor.h Paul Burton 2014-07-11 257 struct mips_fpu_struct fpu FPU_ALIGN;
432c6bacbd0c16e arch/mips/include/asm/processor.h Paul Burton 2016-07-08 258 /* Assigned branch delay slot 'emulation' frame */
432c6bacbd0c16e arch/mips/include/asm/processor.h Paul Burton 2016-07-08 259 atomic_t bd_emu_frame;
432c6bacbd0c16e arch/mips/include/asm/processor.h Paul Burton 2016-07-08 260 /* PC of the branch from a branch delay slot 'emulation' */
432c6bacbd0c16e arch/mips/include/asm/processor.h Paul Burton 2016-07-08 261 unsigned long bd_emu_branch_pc;
432c6bacbd0c16e arch/mips/include/asm/processor.h Paul Burton 2016-07-08 262 /* PC to continue from following a branch delay slot 'emulation' */
432c6bacbd0c16e arch/mips/include/asm/processor.h Paul Burton 2016-07-08 263 unsigned long bd_emu_cont_pc;
aebdc6ff3b2e793 arch/mips/include/asm/processor.h Yousong Zhou 2020-03-24 264 #endif
f088fc84f94c1a3 include/asm-mips/processor.h Ralf Baechle 2006-04-05 265 #ifdef CONFIG_MIPS_MT_FPAFF
f088fc84f94c1a3 include/asm-mips/processor.h Ralf Baechle 2006-04-05 266 /* Emulated instruction count */
f088fc84f94c1a3 include/asm-mips/processor.h Ralf Baechle 2006-04-05 267 unsigned long emulated_fp;
f088fc84f94c1a3 include/asm-mips/processor.h Ralf Baechle 2006-04-05 268 /* Saved per-thread scheduler affinity mask */
f088fc84f94c1a3 include/asm-mips/processor.h Ralf Baechle 2006-04-05 @269 cpumask_t user_cpus_allowed;
f088fc84f94c1a3 include/asm-mips/processor.h Ralf Baechle 2006-04-05 270 #endif /* CONFIG_MIPS_MT_FPAFF */
^1da177e4c3f415 include/asm-mips/processor.h Linus Torvalds 2005-04-16 271
e50c0a8fa60da9a include/asm-mips/processor.h Ralf Baechle 2005-05-31 272 /* Saved state of the DSP ASE, if available. */
e50c0a8fa60da9a include/asm-mips/processor.h Ralf Baechle 2005-05-31 273 struct mips_dsp_state dsp;
e50c0a8fa60da9a include/asm-mips/processor.h Ralf Baechle 2005-05-31 274
6aa3524c182c01b arch/mips/include/asm/processor.h David Daney 2008-09-23 275 /* Saved watch register state, if available. */
6aa3524c182c01b arch/mips/include/asm/processor.h David Daney 2008-09-23 276 union mips_watch_reg_state watch;
6aa3524c182c01b arch/mips/include/asm/processor.h David Daney 2008-09-23 277
^1da177e4c3f415 include/asm-mips/processor.h Linus Torvalds 2005-04-16 278 /* Other stuff associated with the thread. */
^1da177e4c3f415 include/asm-mips/processor.h Linus Torvalds 2005-04-16 279 unsigned long cp0_badvaddr; /* Last user fault */
^1da177e4c3f415 include/asm-mips/processor.h Linus Torvalds 2005-04-16 280 unsigned long cp0_baduaddr; /* Last kernel fault accessing USEG */
^1da177e4c3f415 include/asm-mips/processor.h Linus Torvalds 2005-04-16 281 unsigned long error_code;
e3b28831c18c6c9 arch/mips/include/asm/processor.h Ralf Baechle 2015-07-28 282 unsigned long trap_nr;
b5e00af81f298f4 arch/mips/include/asm/processor.h David Daney 2008-12-11 283 #ifdef CONFIG_CPU_CAVIUM_OCTEON
b5e00af81f298f4 arch/mips/include/asm/processor.h David Daney 2008-12-11 284 struct octeon_cop2_state cp2 __attribute__ ((__aligned__(128)));
b5e00af81f298f4 arch/mips/include/asm/processor.h David Daney 2008-12-11 285 struct octeon_cvmseg_state cvmseg __attribute__ ((__aligned__(128)));
5649d37c2b23ad6 arch/mips/include/asm/processor.h Jayachandran C 2013-06-10 286 #endif
5649d37c2b23ad6 arch/mips/include/asm/processor.h Jayachandran C 2013-06-10 287 #ifdef CONFIG_CPU_XLP
5649d37c2b23ad6 arch/mips/include/asm/processor.h Jayachandran C 2013-06-10 288 struct nlm_cop2_state cp2;
b5e00af81f298f4 arch/mips/include/asm/processor.h David Daney 2008-12-11 289 #endif
e50c0a8fa60da9a include/asm-mips/processor.h Ralf Baechle 2005-05-31 290 struct mips_abi *abi;
^1da177e4c3f415 include/asm-mips/processor.h Linus Torvalds 2005-04-16 291 };
^1da177e4c3f415 include/asm-mips/processor.h Linus Torvalds 2005-04-16 292

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Next message: Randy Dunlap: "[PATCH] Documentation: drop optional BOMs"
Previous message: Nick Kossifidis: "Re: [PATCH v18 0/9] mm: introduce memfd_secret system call to create "secret" memory areas"
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