linux-kernel - Re: [PATCH -next 2/2] irqdomain: Replace revmap_direct_max_irq field with hwirq

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Message-ID: <202207190020.iGdy9c8j-lkp@intel.com>
Date:   Tue, 19 Jul 2022 01:00:40 +0800
From:   kernel test robot <lkp@...el.com>
To:     Xu Qiang <xuqiang36@...wei.com>, maz@...nel.org, tglx@...utronix.de
Cc:     kbuild-all@...ts.01.org, linux-kernel@...r.kernel.org,
        xuqiang36@...wei.com, rui.xiang@...wei.com
Subject: Re: [PATCH -next 2/2] irqdomain: Replace revmap_direct_max_irq field
 with hwirq_max field

Hi Xu,

Thank you for the patch! Perhaps something to improve:

[auto build test WARNING on next-20220718]

url:    https://github.com/intel-lab-lkp/linux/commits/Xu-Qiang/Fix-a-bug-and-commit-a-code-optimization/20220718-211349
base:    036ad6daa8f0fd357af7f50f9da58539eaa6f68c
config: powerpc-allyesconfig (https://download.01.org/0day-ci/archive/20220719/202207190020.iGdy9c8j-lkp@intel.com/config)
compiler: powerpc-linux-gcc (GCC) 12.1.0
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
        # https://github.com/intel-lab-lkp/linux/commit/36d8f25dc578d22517f40deeb705f0a9e1817a42
        git remote add linux-review https://github.com/intel-lab-lkp/linux
        git fetch --no-tags linux-review Xu-Qiang/Fix-a-bug-and-commit-a-code-optimization/20220718-211349
        git checkout 36d8f25dc578d22517f40deeb705f0a9e1817a42
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=powerpc SHELL=/bin/bash kernel/

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 >>):

   In file included from include/linux/kernel.h:29,
                    from include/linux/cpumask.h:10,
                    from include/linux/smp.h:13,
                    from include/linux/lockdep.h:14,
                    from include/linux/mutex.h:17,
                    from include/linux/kernfs.h:11,
                    from include/linux/sysfs.h:16,
                    from include/linux/kobject.h:20,
                    from include/linux/of.h:17,
                    from include/linux/irqdomain.h:35,
                    from include/linux/acpi.h:13,
                    from kernel/irq/irqdomain.c:5:
   kernel/irq/irqdomain.c: In function 'irq_create_direct_mapping':
>> include/linux/kern_levels.h:5:25: warning: format '%i' expects argument of type 'int', but argument 2 has type 'irq_hw_number_t' {aka 'long unsigned int'} [-Wformat=]
       5 | #define KERN_SOH        "\001"          /* ASCII Start Of Header */
         |                         ^~~~~~
   include/linux/printk.h:436:25: note: in definition of macro 'printk_index_wrap'
     436 |                 _p_func(_fmt, ##__VA_ARGS__);                           \
         |                         ^~~~
   include/linux/printk.h:507:9: note: in expansion of macro 'printk'
     507 |         printk(KERN_ERR pr_fmt(fmt), ##__VA_ARGS__)
         |         ^~~~~~
   include/linux/kern_levels.h:11:25: note: in expansion of macro 'KERN_SOH'
      11 | #define KERN_ERR        KERN_SOH "3"    /* error conditions */
         |                         ^~~~~~~~
   include/linux/printk.h:507:16: note: in expansion of macro 'KERN_ERR'
     507 |         printk(KERN_ERR pr_fmt(fmt), ##__VA_ARGS__)
         |                ^~~~~~~~
   kernel/irq/irqdomain.c:654:17: note: in expansion of macro 'pr_err'
     654 |                 pr_err("ERROR: no free irqs available below %i maximum\n",
         |                 ^~~~~~
   kernel/irq/irqdomain.c: At top level:
   kernel/irq/irqdomain.c:1921:13: warning: no previous prototype for 'irq_domain_debugfs_init' [-Wmissing-prototypes]
    1921 | void __init irq_domain_debugfs_init(struct dentry *root)
         |             ^~~~~~~~~~~~~~~~~~~~~~~


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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https://01.org/lkp