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Date: Wed, 17 Nov 2021 14:41:17 +0800
From: kernel test robot <lkp@...el.com>
To: Luis Chamberlain <mcgrof@...nel.org>
Cc: kbuild-all@...ts.01.org, linux-kernel@...r.kernel.org
Subject: [mcgrof-next:20211116-sysctl-cleanups-v3 18/20]
include/linux/sysctl.h:227:30: error: 'register_sysctl_mount_point' defined
but not used
tree: https://git.kernel.org/pub/scm/linux/kernel/git/mcgrof/linux-next.git 20211116-sysctl-cleanups-v3
head: 06113f1d9a2d0669964adfa2e0128bd50e56b621
commit: 39ba9159476b6d86288f95f4cb62ad7055680395 [18/20] sysctl: add helper to register a sysctl mount point
config: sparc-randconfig-r004-20211116 (attached as .config)
compiler: sparc-linux-gcc (GCC) 11.2.0
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://git.kernel.org/pub/scm/linux/kernel/git/mcgrof/linux-next.git/commit/?id=39ba9159476b6d86288f95f4cb62ad7055680395
git remote add mcgrof-next https://git.kernel.org/pub/scm/linux/kernel/git/mcgrof/linux-next.git
git fetch --no-tags mcgrof-next 20211116-sysctl-cleanups-v3
git checkout 39ba9159476b6d86288f95f4cb62ad7055680395
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross ARCH=sparc
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@...el.com>
All errors (new ones prefixed by >>):
In file included from include/linux/key.h:17,
from include/linux/cred.h:13,
from include/linux/sched/signal.h:10,
from include/linux/rcuwait.h:6,
from include/linux/percpu-rwsem.h:7,
from include/linux/fs.h:33,
from include/linux/proc_fs.h:10,
from arch/sparc/include/asm/prom.h:18,
from include/linux/of.h:250,
from arch/sparc/include/asm/openprom.h:15,
from arch/sparc/include/asm/kdebug_32.h:11,
from arch/sparc/include/asm/kdebug.h:7,
from include/linux/kdebug.h:5,
from arch/sparc/kernel/traps_32.c:19:
include/linux/sysctl.h: In function 'register_sysctl_mount_point':
include/linux/sysctl.h:230:1: error: expected ';' before '}' token
230 | }
| ^
arch/sparc/kernel/traps_32.c: At top level:
arch/sparc/kernel/traps_32.c:368:6: error: no previous prototype for 'trap_init' [-Werror=missing-prototypes]
368 | void trap_init(void)
| ^~~~~~~~~
In file included from include/linux/key.h:17,
from include/linux/cred.h:13,
from include/linux/sched/signal.h:10,
from include/linux/rcuwait.h:6,
from include/linux/percpu-rwsem.h:7,
from include/linux/fs.h:33,
from include/linux/proc_fs.h:10,
from arch/sparc/include/asm/prom.h:18,
from include/linux/of.h:250,
from arch/sparc/include/asm/openprom.h:15,
from arch/sparc/include/asm/kdebug_32.h:11,
from arch/sparc/include/asm/kdebug.h:7,
from include/linux/kdebug.h:5,
from arch/sparc/kernel/traps_32.c:19:
>> include/linux/sysctl.h:227:30: error: 'register_sysctl_mount_point' defined but not used [-Werror=unused-function]
227 | static struct sysctl_header *register_sysctl_mount_point(const char *path)
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~
cc1: all warnings being treated as errors
--
In file included from include/linux/key.h:17,
from include/linux/cred.h:13,
from include/linux/sched/signal.h:10,
from include/linux/rcuwait.h:6,
from include/linux/percpu-rwsem.h:7,
from include/linux/fs.h:33,
from include/linux/seq_file.h:12,
from arch/sparc/kernel/irq_32.c:16:
include/linux/sysctl.h: In function 'register_sysctl_mount_point':
include/linux/sysctl.h:230:1: error: expected ';' before '}' token
230 | }
| ^
At top level:
>> include/linux/sysctl.h:227:30: error: 'register_sysctl_mount_point' defined but not used [-Werror=unused-function]
227 | static struct sysctl_header *register_sysctl_mount_point(const char *path)
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~
cc1: all warnings being treated as errors
--
In file included from include/linux/key.h:17,
from include/linux/cred.h:13,
from include/linux/sched/signal.h:10,
from include/linux/rcuwait.h:6,
from include/linux/percpu-rwsem.h:7,
from include/linux/fs.h:33,
from include/linux/proc_fs.h:10,
from arch/sparc/include/asm/prom.h:18,
from include/linux/of.h:250,
from arch/sparc/include/asm/openprom.h:15,
from arch/sparc/include/asm/oplib_32.h:12,
from arch/sparc/include/asm/oplib.h:7,
from arch/sparc/include/asm/pgtable_32.h:32,
from arch/sparc/include/asm/pgtable.h:7,
from include/linux/pgtable.h:6,
from include/linux/mm.h:33,
from arch/sparc/kernel/smp_32.c:19:
include/linux/sysctl.h: In function 'register_sysctl_mount_point':
include/linux/sysctl.h:230:1: error: expected ';' before '}' token
230 | }
| ^
arch/sparc/kernel/smp_32.c: At top level:
arch/sparc/kernel/smp_32.c:177:5: error: no previous prototype for 'setup_profiling_timer' [-Werror=missing-prototypes]
177 | int setup_profiling_timer(unsigned int multiplier)
| ^~~~~~~~~~~~~~~~~~~~~
In file included from include/linux/key.h:17,
from include/linux/cred.h:13,
from include/linux/sched/signal.h:10,
from include/linux/rcuwait.h:6,
from include/linux/percpu-rwsem.h:7,
from include/linux/fs.h:33,
from include/linux/proc_fs.h:10,
from arch/sparc/include/asm/prom.h:18,
from include/linux/of.h:250,
from arch/sparc/include/asm/openprom.h:15,
from arch/sparc/include/asm/oplib_32.h:12,
from arch/sparc/include/asm/oplib.h:7,
from arch/sparc/include/asm/pgtable_32.h:32,
from arch/sparc/include/asm/pgtable.h:7,
from include/linux/pgtable.h:6,
from include/linux/mm.h:33,
from arch/sparc/kernel/smp_32.c:19:
>> include/linux/sysctl.h:227:30: error: 'register_sysctl_mount_point' defined but not used [-Werror=unused-function]
227 | static struct sysctl_header *register_sysctl_mount_point(const char *path)
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~
cc1: all warnings being treated as errors
--
In file included from include/linux/umh.h:9,
from include/linux/kmod.h:9,
from include/linux/module.h:17,
from include/linux/moduleloader.h:6,
from arch/sparc/kernel/module.c:8:
include/linux/sysctl.h: In function 'register_sysctl_mount_point':
include/linux/sysctl.h:230:1: error: expected ';' before '}' token
230 | }
| ^
arch/sparc/kernel/module.c: In function 'module_frob_arch_sections':
arch/sparc/kernel/module.c:62:15: error: variable 'strtab' set but not used [-Werror=unused-but-set-variable]
62 | char *strtab;
| ^~~~~~
In file included from include/linux/umh.h:9,
from include/linux/kmod.h:9,
from include/linux/module.h:17,
from include/linux/moduleloader.h:6,
from arch/sparc/kernel/module.c:8:
At top level:
>> include/linux/sysctl.h:227:30: error: 'register_sysctl_mount_point' defined but not used [-Werror=unused-function]
227 | static struct sysctl_header *register_sysctl_mount_point(const char *path)
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~
cc1: all warnings being treated as errors
--
In file included from include/linux/key.h:17,
from include/linux/cred.h:13,
from include/linux/sched/signal.h:10,
from include/linux/rcuwait.h:6,
from include/linux/percpu-rwsem.h:7,
from include/linux/fs.h:33,
from include/linux/seq_file.h:12,
from arch/sparc/mm/srmmu.c:12:
include/linux/sysctl.h: In function 'register_sysctl_mount_point':
include/linux/sysctl.h:230:1: error: expected ';' before '}' token
230 | }
| ^
arch/sparc/mm/srmmu.c: In function 'poke_hypersparc':
arch/sparc/mm/srmmu.c:1081:32: error: variable 'clear' set but not used [-Werror=unused-but-set-variable]
1081 | volatile unsigned long clear;
| ^~~~~
arch/sparc/mm/srmmu.c: In function 'smp_flush_page_for_dma':
arch/sparc/mm/srmmu.c:1639:13: error: cast between incompatible function types from 'void (*)(long unsigned int)' to 'void (*)(long unsigned int, long unsigned int, long unsigned int, long unsigned int, long unsigned int)' [-Werror=cast-function-type]
1639 | xc1((smpfunc_t) local_ops->page_for_dma, page);
| ^
arch/sparc/mm/srmmu.c: In function 'smp_flush_cache_mm':
arch/sparc/mm/srmmu.c:1662:29: error: cast between incompatible function types from 'void (*)(struct mm_struct *)' to 'void (*)(long unsigned int, long unsigned int, long unsigned int, long unsigned int, long unsigned int)' [-Werror=cast-function-type]
1662 | xc1((smpfunc_t) local_ops->cache_mm, (unsigned long) mm);
| ^
arch/sparc/mm/srmmu.c: In function 'smp_flush_tlb_mm':
arch/sparc/mm/srmmu.c:1674:29: error: cast between incompatible function types from 'void (*)(struct mm_struct *)' to 'void (*)(long unsigned int, long unsigned int, long unsigned int, long unsigned int, long unsigned int)' [-Werror=cast-function-type]
1674 | xc1((smpfunc_t) local_ops->tlb_mm, (unsigned long) mm);
| ^
arch/sparc/mm/srmmu.c: In function 'smp_flush_cache_range':
arch/sparc/mm/srmmu.c:1694:29: error: cast between incompatible function types from 'void (*)(struct vm_area_struct *, long unsigned int, long unsigned int)' to 'void (*)(long unsigned int, long unsigned int, long unsigned int, long unsigned int, long unsigned int)' [-Werror=cast-function-type]
1694 | xc3((smpfunc_t) local_ops->cache_range,
| ^
arch/sparc/mm/srmmu.c: In function 'smp_flush_tlb_range':
arch/sparc/mm/srmmu.c:1711:29: error: cast between incompatible function types from 'void (*)(struct vm_area_struct *, long unsigned int, long unsigned int)' to 'void (*)(long unsigned int, long unsigned int, long unsigned int, long unsigned int, long unsigned int)' [-Werror=cast-function-type]
1711 | xc3((smpfunc_t) local_ops->tlb_range,
| ^
arch/sparc/mm/srmmu.c: In function 'smp_flush_cache_page':
arch/sparc/mm/srmmu.c:1726:29: error: cast between incompatible function types from 'void (*)(struct vm_area_struct *, long unsigned int)' to 'void (*)(long unsigned int, long unsigned int, long unsigned int, long unsigned int, long unsigned int)' [-Werror=cast-function-type]
1726 | xc2((smpfunc_t) local_ops->cache_page,
| ^
arch/sparc/mm/srmmu.c: In function 'smp_flush_tlb_page':
arch/sparc/mm/srmmu.c:1741:29: error: cast between incompatible function types from 'void (*)(struct vm_area_struct *, long unsigned int)' to 'void (*)(long unsigned int, long unsigned int, long unsigned int, long unsigned int, long unsigned int)' [-Werror=cast-function-type]
1741 | xc2((smpfunc_t) local_ops->tlb_page,
| ^
arch/sparc/mm/srmmu.c: In function 'smp_flush_page_to_ram':
arch/sparc/mm/srmmu.c:1756:13: error: cast between incompatible function types from 'void (*)(long unsigned int)' to 'void (*)(long unsigned int, long unsigned int, long unsigned int, long unsigned int, long unsigned int)' [-Werror=cast-function-type]
1756 | xc1((smpfunc_t) local_ops->page_to_ram, page);
| ^
arch/sparc/mm/srmmu.c: In function 'smp_flush_sig_insns':
arch/sparc/mm/srmmu.c:1767:21: error: cast between incompatible function types from 'void (*)(struct mm_struct *, long unsigned int)' to 'void (*)(long unsigned int, long unsigned int, long unsigned int, long unsigned int, long unsigned int)' [-Werror=cast-function-type]
1767 | xc2((smpfunc_t) local_ops->sig_insns,
| ^
In file included from include/linux/key.h:17,
from include/linux/cred.h:13,
from include/linux/sched/signal.h:10,
from include/linux/rcuwait.h:6,
from include/linux/percpu-rwsem.h:7,
from include/linux/fs.h:33,
from include/linux/seq_file.h:12,
from arch/sparc/mm/srmmu.c:12:
At top level:
>> include/linux/sysctl.h:227:30: error: 'register_sysctl_mount_point' defined but not used [-Werror=unused-function]
227 | static struct sysctl_header *register_sysctl_mount_point(const char *path)
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~
cc1: all warnings being treated as errors
--
In file included from include/linux/key.h:17,
from include/linux/cred.h:13,
from include/linux/sched/signal.h:10,
from include/linux/rcuwait.h:6,
from include/linux/percpu-rwsem.h:7,
from include/linux/fs.h:33,
from include/linux/proc_fs.h:10,
from arch/sparc/include/asm/prom.h:18,
from include/linux/of.h:250,
from arch/sparc/include/asm/openprom.h:15,
from arch/sparc/include/asm/oplib_32.h:12,
from arch/sparc/include/asm/oplib.h:7,
from arch/sparc/include/asm/pgtable_32.h:32,
from arch/sparc/include/asm/pgtable.h:7,
from include/linux/pgtable.h:6,
from include/linux/mm.h:33,
from arch/sparc/mm/leon_mm.c:14:
include/linux/sysctl.h: In function 'register_sysctl_mount_point':
include/linux/sysctl.h:230:1: error: expected ';' before '}' token
230 | }
| ^
arch/sparc/mm/leon_mm.c: In function 'leon_swprobe':
arch/sparc/mm/leon_mm.c:42:32: error: variable 'paddrbase' set but not used [-Werror=unused-but-set-variable]
42 | unsigned int lvl, pte, paddrbase;
| ^~~~~~~~~
In file included from include/linux/key.h:17,
from include/linux/cred.h:13,
from include/linux/sched/signal.h:10,
from include/linux/rcuwait.h:6,
from include/linux/percpu-rwsem.h:7,
from include/linux/fs.h:33,
from include/linux/proc_fs.h:10,
from arch/sparc/include/asm/prom.h:18,
from include/linux/of.h:250,
from arch/sparc/include/asm/openprom.h:15,
from arch/sparc/include/asm/oplib_32.h:12,
from arch/sparc/include/asm/oplib.h:7,
from arch/sparc/include/asm/pgtable_32.h:32,
from arch/sparc/include/asm/pgtable.h:7,
from include/linux/pgtable.h:6,
from include/linux/mm.h:33,
from arch/sparc/mm/leon_mm.c:14:
At top level:
>> include/linux/sysctl.h:227:30: error: 'register_sysctl_mount_point' defined but not used [-Werror=unused-function]
227 | static struct sysctl_header *register_sysctl_mount_point(const char *path)
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~
cc1: all warnings being treated as errors
--
In file included from include/linux/umh.h:9,
from include/linux/kmod.h:9,
from include/linux/module.h:17,
from arch/sparc/lib/cmpdi2.c:2:
include/linux/sysctl.h: In function 'register_sysctl_mount_point':
include/linux/sysctl.h:230:1: error: expected ';' before '}' token
230 | }
| ^
arch/sparc/lib/cmpdi2.c: At top level:
arch/sparc/lib/cmpdi2.c:6:11: error: no previous prototype for '__cmpdi2' [-Werror=missing-prototypes]
6 | word_type __cmpdi2(long long a, long long b)
| ^~~~~~~~
In file included from include/linux/umh.h:9,
from include/linux/kmod.h:9,
from include/linux/module.h:17,
from arch/sparc/lib/cmpdi2.c:2:
>> include/linux/sysctl.h:227:30: error: 'register_sysctl_mount_point' defined but not used [-Werror=unused-function]
227 | static struct sysctl_header *register_sysctl_mount_point(const char *path)
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~
cc1: all warnings being treated as errors
--
In file included from include/linux/umh.h:9,
from include/linux/kmod.h:9,
from include/linux/module.h:17,
from arch/sparc/lib/ucmpdi2.c:2:
include/linux/sysctl.h: In function 'register_sysctl_mount_point':
include/linux/sysctl.h:230:1: error: expected ';' before '}' token
230 | }
| ^
arch/sparc/lib/ucmpdi2.c: At top level:
arch/sparc/lib/ucmpdi2.c:5:11: error: no previous prototype for '__ucmpdi2' [-Werror=missing-prototypes]
5 | word_type __ucmpdi2(unsigned long long a, unsigned long long b)
| ^~~~~~~~~
In file included from include/linux/umh.h:9,
from include/linux/kmod.h:9,
from include/linux/module.h:17,
from arch/sparc/lib/ucmpdi2.c:2:
>> include/linux/sysctl.h:227:30: error: 'register_sysctl_mount_point' defined but not used [-Werror=unused-function]
227 | static struct sysctl_header *register_sysctl_mount_point(const char *path)
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~
cc1: all warnings being treated as errors
vim +/register_sysctl_mount_point +227 include/linux/sysctl.h
226
> 227 static struct sysctl_header *register_sysctl_mount_point(const char *path)
228 {
229 return NULL
230 }
231
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
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