tree: https://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu.git dev.2020.06.02a head: 5216948905dd07a84cef8a7dc72c2ec076802efd commit: 7d16add62717136b1839f0b3d7ea4cbb98f38c2a [67/90] rcuperf: Fix kfree_mult to match printk() format config: parisc-randconfig-r022-20200607 (attached as .config) compiler: hppa-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 git checkout 7d16add62717136b1839f0b3d7ea4cbb98f38c2a # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=parisc
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <l...@intel.com>
All warnings (new ones prefixed by >>, old ones prefixed by <<):
In file included from include/linux/mm.h:95,
from kernel/rcu/rcuperf.c:15:
include/asm-generic/pgtable.h: In function 'pte_clear_not_present_full':
arch/parisc/include/asm/pgtable.h:96:9: warning: variable 'old_pte' set but not
used [-Wunused-but-set-variable]
96 | pte_t old_pte; | ^~~~~~~
arch/parisc/include/asm/pgtable.h:322:34: note: in expansion of macro
'set_pte_at'
322 | #define pte_clear(mm, addr, xp) set_pte_at(mm, addr, xp, __pte(0))
| ^~~~~~~~~~
include/asm-generic/pgtable.h:202:2: note: in expansion of macro 'pte_clear'
202 | pte_clear(mm, address, ptep);
| ^~~~~~~~~
include/asm-generic/pgtable.h: In function '__ptep_modify_prot_commit':
arch/parisc/include/asm/pgtable.h:96:9: warning: variable 'old_pte' set but not
used [-Wunused-but-set-variable]
96 | pte_t old_pte; | ^~~~~~~
include/asm-generic/pgtable.h:641:2: note: in expansion of macro 'set_pte_at'
641 | set_pte_at(vma->vm_mm, addr, ptep, pte);
| ^~~~~~~~~~
In file included from include/linux/printk.h:7,
from include/linux/kernel.h:15,
from kernel/rcu/rcuperf.c:13:
kernel/rcu/rcuperf.c: In function 'kfree_perf_init':
>> include/linux/kern_levels.h:5:18: warning: format '%zu' expects argument of
>> type 'size_t', but argument 2 has type 'long unsigned int' [-Wformat=]
5 | #define KERN_SOH "001" /* ASCII Start Of Header */
| ^~~~~~
include/linux/kern_levels.h:9:20: note: in expansion of macro 'KERN_SOH'
9 | #define KERN_ALERT KERN_SOH "1" /* action must be taken immediately */
| ^~~~~~~~
include/linux/printk.h:295:9: note: in expansion of macro 'KERN_ALERT'
295 | printk(KERN_ALERT pr_fmt(fmt), ##__VA_ARGS__)
| ^~~~~~~~~~
kernel/rcu/rcuperf.c:727:2: note: in expansion of macro 'pr_alert'
727 | pr_alert("kfree object size=%zun", kfree_mult * sizeof(struct
kfree_obj));
| ^~~~~~~~
kernel/rcu/rcuperf.c:727:32: note: format string is defined here
727 | pr_alert("kfree object size=%zun", kfree_mult * sizeof(struct
kfree_obj));
| ~~^
| |
| unsigned int
| %lu
vim +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 <j...@perches.com>
:::::: CC: Linus Torvalds <torva...@linux-foundation.org>
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-...@lists.01.org
.config.gz
Description: application/gzip
