Re: [PATCH] arm64/mm: Refactor {pgd, pud, pmd, pte}_ERROR()

From: kernel test robot
Date: Sun Sep 13 2020 - 18:21:10 EST


Hi Gavin,

Thank you for the patch! Perhaps something to improve:

[auto build test WARNING on arm64/for-next/core]
[also build test WARNING on soc/for-next kvmarm/next v5.9-rc4 next-20200911]
[cannot apply to arm/for-next xlnx/master]
[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]

url: https://github.com/0day-ci/linux/commits/Gavin-Shan/arm64-mm-Refactor-pgd-pud-pmd-pte-_ERROR/20200913-194714
base: https://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-next/core
config: arm64-defconfig (attached as .config)
compiler: aarch64-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
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=arm64

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 include/linux/printk.h:7,
from include/linux/kernel.h:15,
from include/asm-generic/bug.h:20,
from arch/arm64/include/asm/bug.h:26,
from include/linux/bug.h:5,
from include/linux/mmdebug.h:5,
from include/linux/mm.h:9,
from include/linux/pagemap.h:8,
from mm/pgtable-generic.c:10:
mm/pgtable-generic.c: In function 'pgd_clear_bad':
include/linux/kern_levels.h:5:18: warning: format '%lx' expects argument of type 'long unsigned int', but argument 4 has type 'pgdval_t' {aka 'long long unsigned int'} [-Wformat=]
5 | #define KERN_SOH "\001" /* ASCII Start Of Header */
| ^~~~~~
include/linux/kern_levels.h:11:18: note: in expansion of macro 'KERN_SOH'
11 | #define KERN_ERR KERN_SOH "3" /* error conditions */
| ^~~~~~~~
include/linux/printk.h:339:9: note: in expansion of macro 'KERN_ERR'
339 | printk(KERN_ERR pr_fmt(fmt), ##__VA_ARGS__)
| ^~~~~~~~
arch/arm64/include/asm/pgtable.h:697:2: note: in expansion of macro 'pr_err'
697 | pr_err("%s:%d: bad pgd %016lx.\n", __FILE__, __LINE__, pgd_val(e))
| ^~~~~~
mm/pgtable-generic.c:23:2: note: in expansion of macro 'pgd_ERROR'
23 | pgd_ERROR(*pgd);
| ^~~~~~~~~
In file included from include/linux/pgtable.h:6,
from include/linux/mm.h:33,
from include/linux/pagemap.h:8,
from mm/pgtable-generic.c:10:
arch/arm64/include/asm/pgtable.h:697:30: note: format string is defined here
697 | pr_err("%s:%d: bad pgd %016lx.\n", __FILE__, __LINE__, pgd_val(e))
| ~~~~~^
| |
| long unsigned int
| %016llx
In file included from include/linux/printk.h:7,
from include/linux/kernel.h:15,
from include/asm-generic/bug.h:20,
from arch/arm64/include/asm/bug.h:26,
from include/linux/bug.h:5,
from include/linux/mmdebug.h:5,
from include/linux/mm.h:9,
from include/linux/pagemap.h:8,
from mm/pgtable-generic.c:10:
mm/pgtable-generic.c: In function 'pud_clear_bad':
>> include/linux/kern_levels.h:5:18: warning: format '%lx' expects argument of type 'long unsigned int', but argument 4 has type 'pudval_t' {aka 'long long unsigned int'} [-Wformat=]
5 | #define KERN_SOH "\001" /* ASCII Start Of Header */
| ^~~~~~
include/linux/kern_levels.h:11:18: note: in expansion of macro 'KERN_SOH'
11 | #define KERN_ERR KERN_SOH "3" /* error conditions */
| ^~~~~~~~
include/linux/printk.h:339:9: note: in expansion of macro 'KERN_ERR'
339 | printk(KERN_ERR pr_fmt(fmt), ##__VA_ARGS__)
| ^~~~~~~~
arch/arm64/include/asm/pgtable.h:637:2: note: in expansion of macro 'pr_err'
637 | pr_err("%s:%d: bad pud %016lx.\n", __FILE__, __LINE__, pud_val(e))
| ^~~~~~
mm/pgtable-generic.c:38:2: note: in expansion of macro 'pud_ERROR'
38 | pud_ERROR(*pud);
| ^~~~~~~~~
In file included from include/linux/pgtable.h:6,
from include/linux/mm.h:33,
from include/linux/pagemap.h:8,
from mm/pgtable-generic.c:10:
arch/arm64/include/asm/pgtable.h:637:30: note: format string is defined here
637 | pr_err("%s:%d: bad pud %016lx.\n", __FILE__, __LINE__, pud_val(e))
| ~~~~~^
| |
| long unsigned int
| %016llx
In file included from include/linux/printk.h:7,
from include/linux/kernel.h:15,
from include/asm-generic/bug.h:20,
from arch/arm64/include/asm/bug.h:26,
from include/linux/bug.h:5,
from include/linux/mmdebug.h:5,
from include/linux/mm.h:9,
from include/linux/pagemap.h:8,
from mm/pgtable-generic.c:10:
mm/pgtable-generic.c: In function 'pmd_clear_bad':
include/linux/kern_levels.h:5:18: warning: format '%lx' expects argument of type 'long unsigned int', but argument 4 has type 'pmdval_t' {aka 'long long unsigned int'} [-Wformat=]
5 | #define KERN_SOH "\001" /* ASCII Start Of Header */
| ^~~~~~
include/linux/kern_levels.h:11:18: note: in expansion of macro 'KERN_SOH'
11 | #define KERN_ERR KERN_SOH "3" /* error conditions */
| ^~~~~~~~
include/linux/printk.h:339:9: note: in expansion of macro 'KERN_ERR'
339 | printk(KERN_ERR pr_fmt(fmt), ##__VA_ARGS__)
| ^~~~~~~~
arch/arm64/include/asm/pgtable.h:569:2: note: in expansion of macro 'pr_err'
569 | pr_err("%s:%d: bad pmd %016lx.\n", __FILE__, __LINE__, pmd_val(e))
| ^~~~~~
mm/pgtable-generic.c:50:2: note: in expansion of macro 'pmd_ERROR'
50 | pmd_ERROR(*pmd);
| ^~~~~~~~~
In file included from include/linux/pgtable.h:6,
from include/linux/mm.h:33,
from include/linux/pagemap.h:8,
from mm/pgtable-generic.c:10:
arch/arm64/include/asm/pgtable.h:569:30: note: format string is defined here
569 | pr_err("%s:%d: bad pmd %016lx.\n", __FILE__, __LINE__, pmd_val(e))
| ~~~~~^
| |
| long unsigned int
| %016llx

# https://github.com/0day-ci/linux/commit/cd252fb09dcb74b0e227cc8a28d08d32e217f084
git remote add linux-review https://github.com/0day-ci/linux
git fetch --no-tags linux-review Gavin-Shan/arm64-mm-Refactor-pgd-pud-pmd-pte-_ERROR/20200913-194714
git checkout cd252fb09dcb74b0e227cc8a28d08d32e217f084
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

---
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