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Date: Tue, 28 Nov 2023 08:19:31 +0800
From: kernel test robot <lkp@...el.com>
To: Mario Limonciello <mario.limonciello@....com>,
Mateusz Jończyk <mat.jonczyk@...pl>,
Alessandro Zummo <a.zummo@...ertech.it>,
Alexandre Belloni <alexandre.belloni@...tlin.com>
Cc: oe-kbuild-all@...ts.linux.dev,
"open list:REAL TIME CLOCK (RTC) SUBSYSTEM"
<linux-rtc@...r.kernel.org>,
open list <linux-kernel@...r.kernel.org>,
linux-pm@...r.kernel.org, tobrohl@...il.com, aalsing@...il.com,
Dhaval.Giani@....com, xmb8dsv4@...il.com, x86@...nel.org,
dhaval.giani@...il.com, Dave Hansen <dave.hansen@...ux.intel.com>,
Borislav Petkov <bp@...en8.de>,
"H . Peter Anvin" <hpa@...or.com>,
Thomas Gleixner <tglx@...utronix.de>,
Ingo Molnar <mingo@...hat.com>,
Mario Limonciello <mario.limonciello@....com>
Subject: Re: [PATCH v3 3/4] rtc: Add support for configuring the UIP timeout
for RTC reads
Hi Mario,
kernel test robot noticed the following build warnings:
[auto build test WARNING on 2cc14f52aeb78ce3f29677c2de1f06c0e91471ab]
url: https://github.com/intel-lab-lkp/linux/commits/Mario-Limonciello/rtc-mc146818-lib-Adjust-failure-return-code-for-mc146818_get_time/20231128-032825
base: 2cc14f52aeb78ce3f29677c2de1f06c0e91471ab
patch link: https://lore.kernel.org/r/20231127192553.9734-4-mario.limonciello%40amd.com
patch subject: [PATCH v3 3/4] rtc: Add support for configuring the UIP timeout for RTC reads
config: alpha-defconfig (https://download.01.org/0day-ci/archive/20231128/202311280605.EB8LQAVD-lkp@intel.com/config)
compiler: alpha-linux-gcc (GCC) 13.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20231128/202311280605.EB8LQAVD-lkp@intel.com/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@...el.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202311280605.EB8LQAVD-lkp@intel.com/
All warnings (new ones prefixed by >>):
In file included from include/asm-generic/bug.h:22,
from arch/alpha/include/asm/bug.h:23,
from include/linux/bug.h:5,
from include/linux/thread_info.h:13,
from include/asm-generic/current.h:6,
from ./arch/alpha/include/generated/asm/current.h:1,
from include/linux/sched.h:12,
from include/linux/delay.h:23,
from drivers/rtc/rtc-mc146818-lib.c:3:
drivers/rtc/rtc-mc146818-lib.c: In function 'mc146818_avoid_UIP':
>> include/linux/kern_levels.h:5:25: warning: format '%d' expects argument of type 'int', but argument 2 has type 'long int' [-Wformat=]
5 | #define KERN_SOH "\001" /* ASCII Start Of Header */
| ^~~~~~
include/linux/printk.h:427:25: note: in definition of macro 'printk_index_wrap'
427 | _p_func(_fmt, ##__VA_ARGS__); \
| ^~~~
include/linux/printk.h:508:9: note: in expansion of macro 'printk'
508 | printk(KERN_WARNING pr_fmt(fmt), ##__VA_ARGS__)
| ^~~~~~
include/linux/kern_levels.h:12:25: note: in expansion of macro 'KERN_SOH'
12 | #define KERN_WARNING KERN_SOH "4" /* warning conditions */
| ^~~~~~~~
include/linux/printk.h:508:16: note: in expansion of macro 'KERN_WARNING'
508 | printk(KERN_WARNING pr_fmt(fmt), ##__VA_ARGS__)
| ^~~~~~~~~~~~
drivers/rtc/rtc-mc146818-lib.c:81:25: note: in expansion of macro 'pr_warn'
81 | pr_warn("Reading current time from RTC took around %d ms\n",
| ^~~~~~~
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
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
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