<command-line>: warning: format '%lx' expects argument of type 'long unsigned int', but argument 4 has type 's64' {aka 'long long int'}

From: kernel test robot
Date: Sat Jan 02 2021 - 18:18:05 EST


Hi Greg,

FYI, the error/warning still remains.

tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 3516bd729358a2a9b090c1905bd2a3fa926e24c6
commit: 239a5791ffd5559f51815df442c4dbbe7fc21ade dynamic_debug: allow to work if debugfs is disabled
date: 11 months ago
config: ia64-randconfig-r003-20210103 (attached as .config)
compiler: ia64-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://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=239a5791ffd5559f51815df442c4dbbe7fc21ade
git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
git fetch --no-tags linus master
git checkout 239a5791ffd5559f51815df442c4dbbe7fc21ade
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=ia64

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

All warnings (new ones prefixed by >>):

In file included from arch/ia64/include/asm/pgtable.h:154,
from include/linux/mm.h:94,
from arch/ia64/include/asm/uaccess.h:38,
from include/linux/uaccess.h:11,
from drivers/cpufreq/ia64-acpi-cpufreq.c:21:
arch/ia64/include/asm/mmu_context.h: In function 'reload_context':
arch/ia64/include/asm/mmu_context.h:137:41: warning: variable 'old_rr4' set but not used [-Wunused-but-set-variable]
137 | unsigned long rr0, rr1, rr2, rr3, rr4, old_rr4;
| ^~~~~~~
drivers/cpufreq/ia64-acpi-cpufreq.c: In function 'processor_set_pstate':
>> <command-line>: warning: format '%lx' expects argument of type 'long unsigned int', but argument 4 has type 's64' {aka 'long long int'} [-Wformat=]
<command-line>: note: in definition of macro 'KBUILD_MODNAME'
include/linux/dynamic_debug.h:125:15: note: in expansion of macro 'pr_fmt'
125 | func(&id, ##__VA_ARGS__); \
| ^~~~~~~~~~~
include/linux/dynamic_debug.h:143:2: note: in expansion of macro '__dynamic_func_call'
143 | __dynamic_func_call(__UNIQUE_ID(ddebug), fmt, func, ##__VA_ARGS__)
| ^~~~~~~~~~~~~~~~~~~
include/linux/dynamic_debug.h:153:2: note: in expansion of macro '_dynamic_func_call'
153 | _dynamic_func_call(fmt, __dynamic_pr_debug, \
| ^~~~~~~~~~~~~~~~~~
include/linux/printk.h:335:2: note: in expansion of macro 'dynamic_pr_debug'
335 | dynamic_pr_debug(fmt, ##__VA_ARGS__)
| ^~~~~~~~~~~~~~~~
drivers/cpufreq/ia64-acpi-cpufreq.c:57:3: note: in expansion of macro 'pr_debug'
57 | pr_debug("Failed to set freq to 0x%x, with error 0x%lx\n",
| ^~~~~~~~
drivers/cpufreq/ia64-acpi-cpufreq.c: In function 'processor_get_pstate':
<command-line>: warning: format '%lx' expects argument of type 'long unsigned int', but argument 3 has type 's64' {aka 'long long int'} [-Wformat=]
<command-line>: note: in definition of macro 'KBUILD_MODNAME'
include/linux/dynamic_debug.h:125:15: note: in expansion of macro 'pr_fmt'
125 | func(&id, ##__VA_ARGS__); \
| ^~~~~~~~~~~
include/linux/dynamic_debug.h:143:2: note: in expansion of macro '__dynamic_func_call'
143 | __dynamic_func_call(__UNIQUE_ID(ddebug), fmt, func, ##__VA_ARGS__)
| ^~~~~~~~~~~~~~~~~~~
include/linux/dynamic_debug.h:153:2: note: in expansion of macro '_dynamic_func_call'
153 | _dynamic_func_call(fmt, __dynamic_pr_debug, \
| ^~~~~~~~~~~~~~~~~~
include/linux/printk.h:335:2: note: in expansion of macro 'dynamic_pr_debug'
335 | dynamic_pr_debug(fmt, ##__VA_ARGS__)
| ^~~~~~~~~~~~~~~~
drivers/cpufreq/ia64-acpi-cpufreq.c:79:3: note: in expansion of macro 'pr_debug'
79 | pr_debug("Failed to get current freq with "
| ^~~~~~~~

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx

Attachment: .config.gz
Description: application/gzip