[<prev] [next>] [day] [month] [year] [list]
Message-ID: <202210211202.4oWMACje-lkp@intel.com>
Date: Fri, 21 Oct 2022 12:21:27 +0800
From: kernel test robot <lkp@...el.com>
To: Linus Walleij <linus.walleij@...aro.org>
Cc: llvm@...ts.linux.dev, kbuild-all@...ts.01.org,
linux-kernel@...r.kernel.org
Subject: [arm-integrator:kernel-in-vmalloc-v6.1-rc1 24/26]
arch/arm/mm/idmap.c:129:53: warning: format specifies type 'unsigned long
long' but the argument has type 'pmdval_t *' (aka 'unsigned int *')
tree: https://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-integrator.git kernel-in-vmalloc-v6.1-rc1
head: dd354395fff14a411a8b85bd2a9d70e3a43e393b
commit: f3611c844878e09c4c2a909c0ca6c90a18443b7f [24/26] pgtable debug
config: arm-randconfig-r003-20221019
compiler: clang version 16.0.0 (https://github.com/llvm/llvm-project 791a7ae1ba3efd6bca96338e10ffde557ba83920)
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
# install arm cross compiling tool for clang build
# apt-get install binutils-arm-linux-gnueabi
# https://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-integrator.git/commit/?id=f3611c844878e09c4c2a909c0ca6c90a18443b7f
git remote add arm-integrator https://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-integrator.git
git fetch --no-tags arm-integrator kernel-in-vmalloc-v6.1-rc1
git checkout f3611c844878e09c4c2a909c0ca6c90a18443b7f
# save the config file
mkdir build_dir && cp config build_dir/.config
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=arm SHELL=/bin/bash arch/arm/mm/
If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp@...el.com>
All warnings (new ones prefixed by >>):
>> arch/arm/mm/idmap.c:129:53: warning: format specifies type 'unsigned long long' but the argument has type 'pmdval_t *' (aka 'unsigned int *') [-Wformat]
pr_info("pgd%d @%08x = 0x%016llx\n", i, (u32)tmp, *tmp);
~~~~~~~ ^~~~
include/linux/printk.h:530:34: note: expanded from macro 'pr_info'
printk(KERN_INFO pr_fmt(fmt), ##__VA_ARGS__)
~~~ ^~~~~~~~~~~
include/linux/printk.h:457:60: note: expanded from macro 'printk'
#define printk(fmt, ...) printk_index_wrap(_printk, fmt, ##__VA_ARGS__)
~~~ ^~~~~~~~~~~
include/linux/printk.h:429:19: note: expanded from macro 'printk_index_wrap'
_p_func(_fmt, ##__VA_ARGS__); \
~~~~ ^~~~~~~~~~~
>> arch/arm/mm/idmap.c:137:77: warning: format specifies type 'unsigned long long' but the argument has type 'pmd_t' (aka 'unsigned int') [-Wformat]
pr_info(" p4d/pud/pmd%d @%08x = %016llx, address %08x\n", j, (u32)pmd, *pmd, addr);
~~~~~~~ ^~~~
%016x
include/linux/printk.h:530:34: note: expanded from macro 'pr_info'
printk(KERN_INFO pr_fmt(fmt), ##__VA_ARGS__)
~~~ ^~~~~~~~~~~
include/linux/printk.h:457:60: note: expanded from macro 'printk'
#define printk(fmt, ...) printk_index_wrap(_printk, fmt, ##__VA_ARGS__)
~~~ ^~~~~~~~~~~
include/linux/printk.h:429:19: note: expanded from macro 'printk_index_wrap'
_p_func(_fmt, ##__VA_ARGS__); \
~~~~ ^~~~~~~~~~~
2 warnings generated.
vim +129 arch/arm/mm/idmap.c
111
112 /*
113 * If you lose printk messages ("dropped...") then increase the kernel
114 * log buffer size CONFIG_LOG_BUF_SHIFT
115 */
116 void dump_pagetable(pgd_t *pgd)
117 {
118 pgd_t *tmp;
119 p4d_t *p4d;
120 pud_t *pud;
121 pmd_t *pmd;
122 int i, j;
123 u32 addr = 0;
124
125 pr_info("LPAE PAGE TABLE:\n");
126
127 for (i = 0; i < 4; i++) {
128 tmp = pgd + pgd_index(addr);
> 129 pr_info("pgd%d @%08x = 0x%016llx\n", i, (u32)tmp, *tmp);
130 for (j = 0; j < PTRS_PER_PMD; j++) {
131 p4d = p4d_offset(tmp, addr);
132 pud = pud_offset(p4d, addr);
133 if (pud_none_or_clear_bad(pud)) {
134 pr_info(" p4d/pud/pmd%d for address %08x UNDEFINED\n", j, addr);
135 } else {
136 pmd = pmd_offset(pud, addr);
> 137 pr_info(" p4d/pud/pmd%d @%08x = %016llx, address %08x\n", j, (u32)pmd, *pmd, addr);
138 }
139 addr += PMD_SIZE;
140 }
141 }
142 }
143
--
0-DAY CI Kernel Test Service
https://01.org/lkp
View attachment "config" of type "text/plain" (161485 bytes)
Powered by blists - more mailing lists