* [akpm-mm:mm-unstable 106/111] include/linux/kern_levels.h:5:25: warning: unknown conversion type character 'b' in format
@ 2025-01-31 9:43 kernel test robot
2025-01-31 10:07 ` Lorenzo Stoakes
0 siblings, 1 reply; 3+ messages in thread
From: kernel test robot @ 2025-01-31 9:43 UTC (permalink / raw)
To: Lorenzo Stoakes
Cc: oe-kbuild-all, Andrew Morton, Linux Memory Management List,
Vlastimil Babka
tree: https://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git mm-unstable
head: f5604ad70091eabe663ea7106ced99449d653320
commit: 951452b2ec82d352a69f14cfffdeb7c08461eefb [106/111] mm: further refactor commit_merge()
config: x86_64-buildonly-randconfig-001-20250131 (https://download.01.org/0day-ci/archive/20250131/202501311708.dRI35epU-lkp@intel.com/config)
compiler: gcc-11 (Debian 11.3.0-12) 11.3.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250131/202501311708.dRI35epU-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/202501311708.dRI35epU-lkp@intel.com/
All warnings (new ones prefixed by >>):
In file included from include/linux/kernel.h:31,
from mm/debug.c:9:
mm/debug.c: In function 'dump_vmg':
>> include/linux/kern_levels.h:5:25: warning: unknown conversion type character 'b' in format [-Wformat=]
5 | #define KERN_SOH "\001" /* ASCII Start Of Header */
| ^~~~~~
include/linux/printk.h:473:25: note: in definition of macro 'printk_index_wrap'
473 | _p_func(_fmt, ##__VA_ARGS__); \
| ^~~~
include/linux/printk.h:554:9: note: in expansion of macro 'printk'
554 | printk(KERN_WARNING pr_fmt(fmt), ##__VA_ARGS__)
| ^~~~~~
include/linux/kern_levels.h:12:25: note: in expansion of macro 'KERN_SOH'
12 | #define KERN_WARNING KERN_SOH "4" /* warning conditions */
| ^~~~~~~~
include/linux/printk.h:554:16: note: in expansion of macro 'KERN_WARNING'
554 | printk(KERN_WARNING pr_fmt(fmt), ##__VA_ARGS__)
| ^~~~~~~~~~~~
mm/debug.c:262:9: note: in expansion of macro 'pr_warn'
262 | pr_warn("vmg %px state: mm %px pgoff %lx\n"
| ^~~~~~~
>> include/linux/kern_levels.h:5:25: warning: unknown conversion type character 'b' in format [-Wformat=]
5 | #define KERN_SOH "\001" /* ASCII Start Of Header */
| ^~~~~~
include/linux/printk.h:473:25: note: in definition of macro 'printk_index_wrap'
473 | _p_func(_fmt, ##__VA_ARGS__); \
| ^~~~
include/linux/printk.h:554:9: note: in expansion of macro 'printk'
554 | printk(KERN_WARNING pr_fmt(fmt), ##__VA_ARGS__)
| ^~~~~~
include/linux/kern_levels.h:12:25: note: in expansion of macro 'KERN_SOH'
12 | #define KERN_WARNING KERN_SOH "4" /* warning conditions */
| ^~~~~~~~
include/linux/printk.h:554:16: note: in expansion of macro 'KERN_WARNING'
554 | printk(KERN_WARNING pr_fmt(fmt), ##__VA_ARGS__)
| ^~~~~~~~~~~~
mm/debug.c:262:9: note: in expansion of macro 'pr_warn'
262 | pr_warn("vmg %px state: mm %px pgoff %lx\n"
| ^~~~~~~
>> include/linux/kern_levels.h:5:25: warning: unknown conversion type character 'b' in format [-Wformat=]
5 | #define KERN_SOH "\001" /* ASCII Start Of Header */
| ^~~~~~
include/linux/printk.h:473:25: note: in definition of macro 'printk_index_wrap'
473 | _p_func(_fmt, ##__VA_ARGS__); \
| ^~~~
include/linux/printk.h:554:9: note: in expansion of macro 'printk'
554 | printk(KERN_WARNING pr_fmt(fmt), ##__VA_ARGS__)
| ^~~~~~
include/linux/kern_levels.h:12:25: note: in expansion of macro 'KERN_SOH'
12 | #define KERN_WARNING KERN_SOH "4" /* warning conditions */
| ^~~~~~~~
include/linux/printk.h:554:16: note: in expansion of macro 'KERN_WARNING'
554 | printk(KERN_WARNING pr_fmt(fmt), ##__VA_ARGS__)
| ^~~~~~~~~~~~
mm/debug.c:262:9: note: in expansion of macro 'pr_warn'
262 | pr_warn("vmg %px state: mm %px pgoff %lx\n"
| ^~~~~~~
>> include/linux/kern_levels.h:5:25: warning: too many arguments for format [-Wformat-extra-args]
5 | #define KERN_SOH "\001" /* ASCII Start Of Header */
| ^~~~~~
include/linux/printk.h:473:25: note: in definition of macro 'printk_index_wrap'
473 | _p_func(_fmt, ##__VA_ARGS__); \
| ^~~~
include/linux/printk.h:554:9: note: in expansion of macro 'printk'
554 | printk(KERN_WARNING pr_fmt(fmt), ##__VA_ARGS__)
| ^~~~~~
include/linux/kern_levels.h:12:25: note: in expansion of macro 'KERN_SOH'
12 | #define KERN_WARNING KERN_SOH "4" /* warning conditions */
| ^~~~~~~~
include/linux/printk.h:554:16: note: in expansion of macro 'KERN_WARNING'
554 | printk(KERN_WARNING pr_fmt(fmt), ##__VA_ARGS__)
| ^~~~~~~~~~~~
mm/debug.c:262:9: note: in expansion of macro 'pr_warn'
262 | pr_warn("vmg %px state: mm %px pgoff %lx\n"
| ^~~~~~~
vim +/b +5 include/linux/kern_levels.h
314ba3520e513a Joe Perches 2012-07-30 4
04d2c8c83d0e3a Joe Perches 2012-07-30 @5 #define KERN_SOH "\001" /* ASCII Start Of Header */
04d2c8c83d0e3a Joe Perches 2012-07-30 6 #define KERN_SOH_ASCII '\001'
04d2c8c83d0e3a Joe Perches 2012-07-30 7
:::::: The code at line 5 was first introduced by commit
:::::: 04d2c8c83d0e3ac5f78aeede51babb3236200112 printk: convert the format for KERN_<LEVEL> to a 2 byte pattern
:::::: TO: Joe Perches <joe@perches.com>
:::::: CC: Linus Torvalds <torvalds@linux-foundation.org>
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: [akpm-mm:mm-unstable 106/111] include/linux/kern_levels.h:5:25: warning: unknown conversion type character 'b' in format
2025-01-31 9:43 [akpm-mm:mm-unstable 106/111] include/linux/kern_levels.h:5:25: warning: unknown conversion type character 'b' in format kernel test robot
@ 2025-01-31 10:07 ` Lorenzo Stoakes
2025-01-31 12:27 ` Lorenzo Stoakes
0 siblings, 1 reply; 3+ messages in thread
From: Lorenzo Stoakes @ 2025-01-31 10:07 UTC (permalink / raw)
To: kernel test robot
Cc: oe-kbuild-all, Andrew Morton, Linux Memory Management List,
Vlastimil Babka
On Fri, Jan 31, 2025 at 05:43:28PM +0800, kernel test robot wrote:
> tree: https://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git mm-unstable
> head: f5604ad70091eabe663ea7106ced99449d653320
> commit: 951452b2ec82d352a69f14cfffdeb7c08461eefb [106/111] mm: further refactor commit_merge()
> config: x86_64-buildonly-randconfig-001-20250131 (https://download.01.org/0day-ci/archive/20250131/202501311708.dRI35epU-lkp@intel.com/config)
> compiler: gcc-11 (Debian 11.3.0-12) 11.3.0
> reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250131/202501311708.dRI35epU-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/202501311708.dRI35epU-lkp@intel.com/
>
> All warnings (new ones prefixed by >>):
>
> In file included from include/linux/kernel.h:31,
> from mm/debug.c:9:
> mm/debug.c: In function 'dump_vmg':
> >> include/linux/kern_levels.h:5:25: warning: unknown conversion type character 'b' in format [-Wformat=]
> 5 | #define KERN_SOH "\001" /* ASCII Start Of Header */
Well that'll teach me for assuming a compiler with CONFIG_WERROR on will
actually... report warnings as errors. Apparently not.
Will send a follow up fix-patch...
> | ^~~~~~
> include/linux/printk.h:473:25: note: in definition of macro 'printk_index_wrap'
> 473 | _p_func(_fmt, ##__VA_ARGS__); \
> | ^~~~
> include/linux/printk.h:554:9: note: in expansion of macro 'printk'
> 554 | printk(KERN_WARNING pr_fmt(fmt), ##__VA_ARGS__)
> | ^~~~~~
> include/linux/kern_levels.h:12:25: note: in expansion of macro 'KERN_SOH'
> 12 | #define KERN_WARNING KERN_SOH "4" /* warning conditions */
> | ^~~~~~~~
> include/linux/printk.h:554:16: note: in expansion of macro 'KERN_WARNING'
> 554 | printk(KERN_WARNING pr_fmt(fmt), ##__VA_ARGS__)
> | ^~~~~~~~~~~~
> mm/debug.c:262:9: note: in expansion of macro 'pr_warn'
> 262 | pr_warn("vmg %px state: mm %px pgoff %lx\n"
> | ^~~~~~~
> >> include/linux/kern_levels.h:5:25: warning: unknown conversion type character 'b' in format [-Wformat=]
> 5 | #define KERN_SOH "\001" /* ASCII Start Of Header */
> | ^~~~~~
> include/linux/printk.h:473:25: note: in definition of macro 'printk_index_wrap'
> 473 | _p_func(_fmt, ##__VA_ARGS__); \
> | ^~~~
> include/linux/printk.h:554:9: note: in expansion of macro 'printk'
> 554 | printk(KERN_WARNING pr_fmt(fmt), ##__VA_ARGS__)
> | ^~~~~~
> include/linux/kern_levels.h:12:25: note: in expansion of macro 'KERN_SOH'
> 12 | #define KERN_WARNING KERN_SOH "4" /* warning conditions */
> | ^~~~~~~~
> include/linux/printk.h:554:16: note: in expansion of macro 'KERN_WARNING'
> 554 | printk(KERN_WARNING pr_fmt(fmt), ##__VA_ARGS__)
> | ^~~~~~~~~~~~
> mm/debug.c:262:9: note: in expansion of macro 'pr_warn'
> 262 | pr_warn("vmg %px state: mm %px pgoff %lx\n"
> | ^~~~~~~
> >> include/linux/kern_levels.h:5:25: warning: unknown conversion type character 'b' in format [-Wformat=]
> 5 | #define KERN_SOH "\001" /* ASCII Start Of Header */
> | ^~~~~~
> include/linux/printk.h:473:25: note: in definition of macro 'printk_index_wrap'
> 473 | _p_func(_fmt, ##__VA_ARGS__); \
> | ^~~~
> include/linux/printk.h:554:9: note: in expansion of macro 'printk'
> 554 | printk(KERN_WARNING pr_fmt(fmt), ##__VA_ARGS__)
> | ^~~~~~
> include/linux/kern_levels.h:12:25: note: in expansion of macro 'KERN_SOH'
> 12 | #define KERN_WARNING KERN_SOH "4" /* warning conditions */
> | ^~~~~~~~
> include/linux/printk.h:554:16: note: in expansion of macro 'KERN_WARNING'
> 554 | printk(KERN_WARNING pr_fmt(fmt), ##__VA_ARGS__)
> | ^~~~~~~~~~~~
> mm/debug.c:262:9: note: in expansion of macro 'pr_warn'
> 262 | pr_warn("vmg %px state: mm %px pgoff %lx\n"
> | ^~~~~~~
> >> include/linux/kern_levels.h:5:25: warning: too many arguments for format [-Wformat-extra-args]
> 5 | #define KERN_SOH "\001" /* ASCII Start Of Header */
> | ^~~~~~
> include/linux/printk.h:473:25: note: in definition of macro 'printk_index_wrap'
> 473 | _p_func(_fmt, ##__VA_ARGS__); \
> | ^~~~
> include/linux/printk.h:554:9: note: in expansion of macro 'printk'
> 554 | printk(KERN_WARNING pr_fmt(fmt), ##__VA_ARGS__)
> | ^~~~~~
> include/linux/kern_levels.h:12:25: note: in expansion of macro 'KERN_SOH'
> 12 | #define KERN_WARNING KERN_SOH "4" /* warning conditions */
> | ^~~~~~~~
> include/linux/printk.h:554:16: note: in expansion of macro 'KERN_WARNING'
> 554 | printk(KERN_WARNING pr_fmt(fmt), ##__VA_ARGS__)
> | ^~~~~~~~~~~~
> mm/debug.c:262:9: note: in expansion of macro 'pr_warn'
> 262 | pr_warn("vmg %px state: mm %px pgoff %lx\n"
> | ^~~~~~~
>
>
> vim +/b +5 include/linux/kern_levels.h
>
> 314ba3520e513a Joe Perches 2012-07-30 4
> 04d2c8c83d0e3a Joe Perches 2012-07-30 @5 #define KERN_SOH "\001" /* ASCII Start Of Header */
> 04d2c8c83d0e3a Joe Perches 2012-07-30 6 #define KERN_SOH_ASCII '\001'
> 04d2c8c83d0e3a Joe Perches 2012-07-30 7
>
> :::::: The code at line 5 was first introduced by commit
> :::::: 04d2c8c83d0e3ac5f78aeede51babb3236200112 printk: convert the format for KERN_<LEVEL> to a 2 byte pattern
>
> :::::: TO: Joe Perches <joe@perches.com>
> :::::: CC: Linus Torvalds <torvalds@linux-foundation.org>
>
> --
> 0-DAY CI Kernel Test Service
> https://github.com/intel/lkp-tests/wiki
^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: [akpm-mm:mm-unstable 106/111] include/linux/kern_levels.h:5:25: warning: unknown conversion type character 'b' in format
2025-01-31 10:07 ` Lorenzo Stoakes
@ 2025-01-31 12:27 ` Lorenzo Stoakes
0 siblings, 0 replies; 3+ messages in thread
From: Lorenzo Stoakes @ 2025-01-31 12:27 UTC (permalink / raw)
To: kernel test robot
Cc: oe-kbuild-all, Andrew Morton, Linux Memory Management List,
Vlastimil Babka
On Fri, Jan 31, 2025 at 10:07:59AM +0000, Lorenzo Stoakes wrote:
> On Fri, Jan 31, 2025 at 05:43:28PM +0800, kernel test robot wrote:
> > tree: https://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git mm-unstable
> > head: f5604ad70091eabe663ea7106ced99449d653320
> > commit: 951452b2ec82d352a69f14cfffdeb7c08461eefb [106/111] mm: further refactor commit_merge()
> > config: x86_64-buildonly-randconfig-001-20250131 (https://download.01.org/0day-ci/archive/20250131/202501311708.dRI35epU-lkp@intel.com/config)
> > compiler: gcc-11 (Debian 11.3.0-12) 11.3.0
> > reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250131/202501311708.dRI35epU-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/202501311708.dRI35epU-lkp@intel.com/
> >
> > All warnings (new ones prefixed by >>):
> >
> > In file included from include/linux/kernel.h:31,
> > from mm/debug.c:9:
> > mm/debug.c: In function 'dump_vmg':
> > >> include/linux/kern_levels.h:5:25: warning: unknown conversion type character 'b' in format [-Wformat=]
> > 5 | #define KERN_SOH "\001" /* ASCII Start Of Header */
>
> Well that'll teach me for assuming a compiler with CONFIG_WERROR on will
> actually... report warnings as errors. Apparently not.
>
> Will send a follow up fix-patch...
>
Even a W=1 build doesn't pick this up, so I'm thinking this might be a
compiler version thing.
Am doing a respin as that'll be easier.
^ permalink raw reply [flat|nested] 3+ messages in thread
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2025-01-31 9:43 [akpm-mm:mm-unstable 106/111] include/linux/kern_levels.h:5:25: warning: unknown conversion type character 'b' in format kernel test robot
2025-01-31 10:07 ` Lorenzo Stoakes
2025-01-31 12:27 ` Lorenzo Stoakes
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