From: kbuild test robot <fengguang.wu@intel.com>
To: Yury Norov <ynorov@caviumnetworks.com>
Cc: kbuild-all@01.org, Clement Courbet <courbet@google.com>,
Andrew Morton <akpm@linux-foundation.org>,
Linux Memory Management List <linux-mm@kvack.org>
Subject: [linux-next:master 12909/13131] include/linux/kern_levels.h:5:18: warning: format '%ld' expects argument of type 'long int', but argument 2 has type 'cycles_t {aka unsigned int}'
Date: Tue, 14 Nov 2017 01:59:36 +0800 [thread overview]
Message-ID: <201711140131.FNC2eWjE%fengguang.wu@intel.com> (raw)
[-- Attachment #1: Type: text/plain, Size: 5885 bytes --]
tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master
head: c348a99ee55feac43b5b62a5957c6d8e2b6c3abe
commit: 09588b1f1d585719b641ca55e6a3ec3db8e06a07 [12909/13131] lib: test module for find_*_bit() functions
config: alpha-allyesconfig (attached as .config)
compiler: alpha-linux-gnu-gcc (Debian 7.2.0-11) 7.2.0
reproduce:
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
git checkout 09588b1f1d585719b641ca55e6a3ec3db8e06a07
# save the attached .config to linux build tree
make.cross ARCH=alpha
All warnings (new ones prefixed by >>):
In file included from include/linux/printk.h:7:0,
from include/linux/kernel.h:14,
from lib/test_find_bit.c:28:
lib/test_find_bit.c: In function 'test_find_first_bit':
>> include/linux/kern_levels.h:5:18: warning: format '%ld' expects argument of type 'long int', but argument 2 has type 'cycles_t {aka unsigned int}' [-Wformat=]
#define KERN_SOH "\001" /* ASCII Start Of Header */
^
include/linux/kern_levels.h:11:18: note: in expansion of macro 'KERN_SOH'
#define KERN_ERR KERN_SOH "3" /* error conditions */
^~~~~~~~
include/linux/printk.h:302:9: note: in expansion of macro 'KERN_ERR'
printk(KERN_ERR pr_fmt(fmt), ##__VA_ARGS__)
^~~~~~~~
lib/test_find_bit.c:54:2: note: in expansion of macro 'pr_err'
pr_err("find_first_bit:\t\t%ld cycles,\t%ld iterations\n", cycles, cnt);
^~~~~~
lib/test_find_bit.c:54:31: note: format string is defined here
pr_err("find_first_bit:\t\t%ld cycles,\t%ld iterations\n", cycles, cnt);
~~^
%d
In file included from include/linux/printk.h:7:0,
from include/linux/kernel.h:14,
from lib/test_find_bit.c:28:
lib/test_find_bit.c: In function 'test_find_next_bit':
>> include/linux/kern_levels.h:5:18: warning: format '%ld' expects argument of type 'long int', but argument 2 has type 'cycles_t {aka unsigned int}' [-Wformat=]
#define KERN_SOH "\001" /* ASCII Start Of Header */
^
include/linux/kern_levels.h:11:18: note: in expansion of macro 'KERN_SOH'
#define KERN_ERR KERN_SOH "3" /* error conditions */
^~~~~~~~
include/linux/printk.h:302:9: note: in expansion of macro 'KERN_ERR'
printk(KERN_ERR pr_fmt(fmt), ##__VA_ARGS__)
^~~~~~~~
lib/test_find_bit.c:68:2: note: in expansion of macro 'pr_err'
pr_err("find_next_bit:\t\t%ld cycles,\t%ld iterations\n", cycles, cnt);
^~~~~~
lib/test_find_bit.c:68:30: note: format string is defined here
pr_err("find_next_bit:\t\t%ld cycles,\t%ld iterations\n", cycles, cnt);
~~^
%d
In file included from include/linux/printk.h:7:0,
from include/linux/kernel.h:14,
from lib/test_find_bit.c:28:
lib/test_find_bit.c: In function 'test_find_next_zero_bit':
>> include/linux/kern_levels.h:5:18: warning: format '%ld' expects argument of type 'long int', but argument 2 has type 'cycles_t {aka unsigned int}' [-Wformat=]
#define KERN_SOH "\001" /* ASCII Start Of Header */
^
include/linux/kern_levels.h:11:18: note: in expansion of macro 'KERN_SOH'
#define KERN_ERR KERN_SOH "3" /* error conditions */
^~~~~~~~
include/linux/printk.h:302:9: note: in expansion of macro 'KERN_ERR'
printk(KERN_ERR pr_fmt(fmt), ##__VA_ARGS__)
^~~~~~~~
lib/test_find_bit.c:82:2: note: in expansion of macro 'pr_err'
pr_err("find_next_zero_bit:\t%ld cycles,\t%ld iterations\n",
^~~~~~
lib/test_find_bit.c:82:33: note: format string is defined here
pr_err("find_next_zero_bit:\t%ld cycles,\t%ld iterations\n",
~~^
%d
In file included from include/linux/printk.h:7:0,
from include/linux/kernel.h:14,
from lib/test_find_bit.c:28:
lib/test_find_bit.c: In function 'test_find_last_bit':
>> include/linux/kern_levels.h:5:18: warning: format '%ld' expects argument of type 'long int', but argument 2 has type 'cycles_t {aka unsigned int}' [-Wformat=]
#define KERN_SOH "\001" /* ASCII Start Of Header */
^
include/linux/kern_levels.h:11:18: note: in expansion of macro 'KERN_SOH'
#define KERN_ERR KERN_SOH "3" /* error conditions */
^~~~~~~~
include/linux/printk.h:302:9: note: in expansion of macro 'KERN_ERR'
printk(KERN_ERR pr_fmt(fmt), ##__VA_ARGS__)
^~~~~~~~
lib/test_find_bit.c:102:2: note: in expansion of macro 'pr_err'
pr_err("find_last_bit:\t\t%ld cycles,\t%ld iterations\n", cycles, cnt);
^~~~~~
lib/test_find_bit.c:102:30: note: format string is defined here
pr_err("find_last_bit:\t\t%ld cycles,\t%ld iterations\n", cycles, cnt);
~~^
%d
vim +5 include/linux/kern_levels.h
314ba352 Joe Perches 2012-07-30 4
04d2c8c8 Joe Perches 2012-07-30 @5 #define KERN_SOH "\001" /* ASCII Start Of Header */
04d2c8c8 Joe Perches 2012-07-30 6 #define KERN_SOH_ASCII '\001'
04d2c8c8 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 <joe@perches.com>
:::::: CC: Linus Torvalds <torvalds@linux-foundation.org>
---
0-DAY kernel test infrastructure Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all Intel Corporation
[-- Attachment #2: .config.gz --]
[-- Type: application/gzip, Size: 51685 bytes --]
reply other threads:[~2017-11-13 18:00 UTC|newest]
Thread overview: [no followups] expand[flat|nested] mbox.gz Atom feed
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=201711140131.FNC2eWjE%fengguang.wu@intel.com \
--to=fengguang.wu@intel.com \
--cc=akpm@linux-foundation.org \
--cc=courbet@google.com \
--cc=kbuild-all@01.org \
--cc=linux-mm@kvack.org \
--cc=ynorov@caviumnetworks.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox