Re: [PATCH] loongarch: improve logging of disabling KASLR.
From: kernel test robot
Date: Sun Apr 12 2026 - 00:45:20 EST
Hi Yuqian,
kernel test robot noticed the following build warnings:
[auto build test WARNING on linus/master]
[also build test WARNING on v7.0-rc7 next-20260410]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch#_base_tree_information]
url: https://github.com/intel-lab-lkp/linux/commits/Yuqian-Yang/loongarch-improve-logging-of-disabling-KASLR/20260412-053808
base: linus/master
patch link: https://lore.kernel.org/r/E4B91143DC525DC6%2B20260403063008.94237-1-yangyuqian%40uniontech.com
patch subject: [PATCH] loongarch: improve logging of disabling KASLR.
config: loongarch-randconfig-002-20260412 (https://download.01.org/0day-ci/archive/20260412/202604121225.WqIkc3ZK-lkp@xxxxxxxxx/config)
compiler: loongarch64-linux-gcc (GCC) 15.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260412/202604121225.WqIkc3ZK-lkp@xxxxxxxxx/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@xxxxxxxxx>
| Closes: https://lore.kernel.org/oe-kbuild-all/202604121225.WqIkc3ZK-lkp@xxxxxxxxx/
All warnings (new ones prefixed by >>):
In file included from include/asm-generic/bug.h:31,
from arch/loongarch/include/asm/bug.h:60,
from include/linux/bug.h:5,
from include/linux/instrumented.h:10,
from include/linux/atomic/atomic-instrumented.h:17,
from include/linux/atomic.h:82,
from include/asm-generic/bitops/atomic.h:5,
from arch/loongarch/include/asm/bitops.h:38,
from include/linux/bitops.h:67,
from include/linux/bitmap.h:8,
from include/linux/nodemask.h:91,
from include/linux/list_lru.h:12,
from include/linux/fs/super_types.h:7,
from include/linux/fs/super.h:5,
from include/linux/fs.h:5,
from arch/loongarch/include/asm/elf.h:9,
from include/linux/elf.h:6,
from arch/loongarch/kernel/relocate.c:8:
arch/loongarch/kernel/relocate.c: In function 'kaslr_disabled':
arch/loongarch/kernel/relocate.c:144:25: error: expected ')' before 'message'
144 | pr_info(message, "nokaslr", "built-in");
| ^~~~~~~
include/linux/printk.h:483:25: note: in definition of macro 'printk_index_wrap'
483 | _p_func(_fmt, ##__VA_ARGS__); \
| ^~~~
include/linux/printk.h:584:9: note: in expansion of macro 'printk'
584 | printk(KERN_INFO pr_fmt(fmt), ##__VA_ARGS__)
| ^~~~~~
include/linux/printk.h:584:26: note: in expansion of macro 'pr_fmt'
584 | printk(KERN_INFO pr_fmt(fmt), ##__VA_ARGS__)
| ^~~~~~
arch/loongarch/kernel/relocate.c:144:17: note: in expansion of macro 'pr_info'
144 | pr_info(message, "nokaslr", "built-in");
| ^~~~~~~
include/linux/printk.h:483:24: note: to match this '('
483 | _p_func(_fmt, ##__VA_ARGS__); \
| ^
include/linux/printk.h:511:26: note: in expansion of macro 'printk_index_wrap'
511 | #define printk(fmt, ...) printk_index_wrap(_printk, fmt, ##__VA_ARGS__)
| ^~~~~~~~~~~~~~~~~
include/linux/printk.h:584:9: note: in expansion of macro 'printk'
584 | printk(KERN_INFO pr_fmt(fmt), ##__VA_ARGS__)
| ^~~~~~
arch/loongarch/kernel/relocate.c:144:17: note: in expansion of macro 'pr_info'
144 | pr_info(message, "nokaslr", "built-in");
| ^~~~~~~
arch/loongarch/kernel/relocate.c:150:25: error: expected ')' before 'message'
150 | pr_info(message, "nokaslr", "boot");
| ^~~~~~~
include/linux/printk.h:483:25: note: in definition of macro 'printk_index_wrap'
483 | _p_func(_fmt, ##__VA_ARGS__); \
| ^~~~
include/linux/printk.h:584:9: note: in expansion of macro 'printk'
584 | printk(KERN_INFO pr_fmt(fmt), ##__VA_ARGS__)
| ^~~~~~
include/linux/printk.h:584:26: note: in expansion of macro 'pr_fmt'
584 | printk(KERN_INFO pr_fmt(fmt), ##__VA_ARGS__)
| ^~~~~~
arch/loongarch/kernel/relocate.c:150:17: note: in expansion of macro 'pr_info'
150 | pr_info(message, "nokaslr", "boot");
| ^~~~~~~
include/linux/printk.h:483:24: note: to match this '('
483 | _p_func(_fmt, ##__VA_ARGS__); \
| ^
include/linux/printk.h:511:26: note: in expansion of macro 'printk_index_wrap'
511 | #define printk(fmt, ...) printk_index_wrap(_printk, fmt, ##__VA_ARGS__)
| ^~~~~~~~~~~~~~~~~
include/linux/printk.h:584:9: note: in expansion of macro 'printk'
584 | printk(KERN_INFO pr_fmt(fmt), ##__VA_ARGS__)
| ^~~~~~
arch/loongarch/kernel/relocate.c:150:17: note: in expansion of macro 'pr_info'
150 | pr_info(message, "nokaslr", "boot");
| ^~~~~~~
arch/loongarch/kernel/relocate.c:186:25: error: expected ')' before 'message'
186 | pr_info(message, "kexec_file", "boot");
| ^~~~~~~
include/linux/printk.h:483:25: note: in definition of macro 'printk_index_wrap'
483 | _p_func(_fmt, ##__VA_ARGS__); \
| ^~~~
include/linux/printk.h:584:9: note: in expansion of macro 'printk'
584 | printk(KERN_INFO pr_fmt(fmt), ##__VA_ARGS__)
| ^~~~~~
include/linux/printk.h:584:26: note: in expansion of macro 'pr_fmt'
584 | printk(KERN_INFO pr_fmt(fmt), ##__VA_ARGS__)
| ^~~~~~
arch/loongarch/kernel/relocate.c:186:17: note: in expansion of macro 'pr_info'
186 | pr_info(message, "kexec_file", "boot");
| ^~~~~~~
include/linux/printk.h:483:24: note: to match this '('
483 | _p_func(_fmt, ##__VA_ARGS__); \
| ^
include/linux/printk.h:511:26: note: in expansion of macro 'printk_index_wrap'
511 | #define printk(fmt, ...) printk_index_wrap(_printk, fmt, ##__VA_ARGS__)
| ^~~~~~~~~~~~~~~~~
include/linux/printk.h:584:9: note: in expansion of macro 'printk'
584 | printk(KERN_INFO pr_fmt(fmt), ##__VA_ARGS__)
| ^~~~~~
arch/loongarch/kernel/relocate.c:186:17: note: in expansion of macro 'pr_info'
186 | pr_info(message, "kexec_file", "boot");
| ^~~~~~~
>> arch/loongarch/kernel/relocate.c:140:27: warning: unused variable 'message' [-Wunused-variable]
140 | const char *const message = "KASLR is disabled by %s in %s cmdline.\n";
| ^~~~~~~
vim +/message +140 arch/loongarch/kernel/relocate.c
135
136 static inline __init bool kaslr_disabled(void)
137 {
138 char *str;
139 const char *builtin_cmdline = CONFIG_CMDLINE;
> 140 const char *const message = "KASLR is disabled by %s in %s cmdline.\n";
141
142 str = strstr(builtin_cmdline, "nokaslr");
143 if (str == builtin_cmdline || (str > builtin_cmdline && *(str - 1) == ' ')) {
144 pr_info(message, "nokaslr", "built-in");
145 return true;
146 }
147
148 str = strstr(boot_command_line, "nokaslr");
149 if (str == boot_command_line || (str > boot_command_line && *(str - 1) == ' ')) {
150 pr_info(message, "nokaslr", "boot");
151 return true;
152 }
153
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki