From: kernel test robot <lkp@intel.com>
To: Alexandre Ghiti <alexghiti@rivosinc.com>
Cc: oe-kbuild-all@lists.linux.dev, Palmer Dabbelt <palmer@rivosinc.com>
Subject: [palmer:for-next 2/8] include/linux/pgtable.h:302:21: error: 'pgdp_get' declared as function returning an array
Date: Thu, 7 Dec 2023 05:19:39 +0800 [thread overview]
Message-ID: <202312070508.3uchfcp2-lkp@intel.com> (raw)
tree: https://git.kernel.org/pub/scm/linux/kernel/git/palmer/linux.git for-next
head: f95bc0e118cb852a3419f92be510be7356688632
commit: b9f2de9b90f016ce08fdaa3cba88a806dcbfd604 [2/8] mm: Introduce pudp/p4dp/pgdp_get() functions
config: arm-allmodconfig (https://download.01.org/0day-ci/archive/20231207/202312070508.3uchfcp2-lkp@intel.com/config)
compiler: arm-linux-gnueabi-gcc (GCC) 13.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20231207/202312070508.3uchfcp2-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/202312070508.3uchfcp2-lkp@intel.com/
All error/warnings (new ones prefixed by >>):
In file included from include/linux/mm.h:29,
from arch/arm/kernel/asm-offsets.c:12:
>> include/linux/pgtable.h:302:21: error: 'pgdp_get' declared as function returning an array
302 | static inline pgd_t pgdp_get(pgd_t *pgdp)
| ^~~~~~~~
In file included from ./arch/arm/include/generated/asm/rwonce.h:1,
from include/linux/compiler.h:246,
from arch/arm/kernel/asm-offsets.c:10:
include/linux/pgtable.h: In function 'pgdp_get':
>> include/asm-generic/rwonce.h:48:2: warning: returning 'const volatile pmdval_t *' {aka 'const volatile unsigned int *'} from a function with return type 'int' makes integer from pointer without a cast [-Wint-conversion]
48 | ({ \
| ~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
49 | compiletime_assert_rwonce_type(x); \
| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
50 | __READ_ONCE(x); \
| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
51 | })
| ~~
include/linux/pgtable.h:304:16: note: in expansion of macro 'READ_ONCE'
304 | return READ_ONCE(*pgdp);
| ^~~~~~~~~
make[3]: *** [scripts/Makefile.build:116: arch/arm/kernel/asm-offsets.s] Error 1
make[3]: Target 'prepare' not remade because of errors.
make[2]: *** [Makefile:1202: prepare0] Error 2
make[2]: Target 'prepare' not remade because of errors.
make[1]: *** [Makefile:234: __sub-make] Error 2
make[1]: Target 'prepare' not remade because of errors.
make: *** [Makefile:234: __sub-make] Error 2
make: Target 'prepare' not remade because of errors.
vim +/pgdp_get +302 include/linux/pgtable.h
300
301 #ifndef pgdp_get
> 302 static inline pgd_t pgdp_get(pgd_t *pgdp)
303 {
304 return READ_ONCE(*pgdp);
305 }
306 #endif
307
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
reply other threads:[~2023-12-06 21:19 UTC|newest]
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