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Message-ID: <202409021235.QLbKiKxF-lkp@intel.com>
Date: Mon, 2 Sep 2024 12:26:17 +0800
From: kernel test robot <lkp@...el.com>
To: KobaK <kobak@...dia.com>, Matt Ochs <mochs@...dia.com>,
	James Morse <james.morse@....com>,
	"Rafael J . Wysocki" <rafael@...nel.org>,
	Len Brown <lenb@...nel.org>, linux-acpi@...r.kernel.org,
	linux-kernel@...r.kernel.org, Zhang Rui <rui.zhang@...el.com>
Cc: llvm@...ts.linux.dev, oe-kbuild-all@...ts.linux.dev
Subject: Re: [PATCH V2] acpi/prmt: find block with specific type

Hi KobaK,

kernel test robot noticed the following build warnings:

[auto build test WARNING on rafael-pm/linux-next]
[also build test WARNING on rafael-pm/bleeding-edge linus/master v6.11-rc6 next-20240830]
[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#_base_tree_information]

url:    https://github.com/intel-lab-lkp/linux/commits/KobaK/acpi-prmt-find-block-with-specific-type/20240902-002354
base:   https://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm.git linux-next
patch link:    https://lore.kernel.org/r/20240901162255.1302358-1-kobak%40nvidia.com
patch subject: [PATCH V2] acpi/prmt: find block with specific type
config: x86_64-kexec (https://download.01.org/0day-ci/archive/20240902/202409021235.QLbKiKxF-lkp@intel.com/config)
compiler: clang version 18.1.5 (https://github.com/llvm/llvm-project 617a15a9eac96088ae5e9134248d8236e34b91b1)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240902/202409021235.QLbKiKxF-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/202409021235.QLbKiKxF-lkp@intel.com/

All warnings (new ones prefixed by >>):

>> drivers/acpi/prmt.c:88:66: warning: format specifies type 'unsigned long' but the argument has type 'u64' (aka 'unsigned long long') [-Wformat]
      88 |         pr_warn("PRM: Failed to find a VA block for pa: %lx type %u\n", pa, type);
         |                                                         ~~~             ^~
         |                                                         %llx
   include/linux/printk.h:518:37: note: expanded from macro 'pr_warn'
     518 |         printk(KERN_WARNING pr_fmt(fmt), ##__VA_ARGS__)
         |                                    ~~~     ^~~~~~~~~~~
   include/linux/printk.h:465:60: note: expanded from macro 'printk'
     465 | #define printk(fmt, ...) printk_index_wrap(_printk, fmt, ##__VA_ARGS__)
         |                                                     ~~~    ^~~~~~~~~~~
   include/linux/printk.h:437:19: note: expanded from macro 'printk_index_wrap'
     437 |                 _p_func(_fmt, ##__VA_ARGS__);                           \
         |                         ~~~~    ^~~~~~~~~~~
   1 warning generated.


vim +88 drivers/acpi/prmt.c

    74	
    75	static u64 efi_pa_va_lookup(u64 pa, u32 type)
    76	{
    77		efi_memory_desc_t *md;
    78		u64 pa_offset = pa & ~PAGE_MASK;
    79		u64 page = pa & PAGE_MASK;
    80	
    81		for_each_efi_memory_desc(md) {
    82			if ((md->type == type) &&
    83				(md->phys_addr < pa && pa < md->phys_addr + PAGE_SIZE * md->num_pages)) {
    84				return pa_offset + md->virt_addr + page - md->phys_addr;
    85			}
    86		}
    87	
  > 88		pr_warn("PRM: Failed to find a VA block for pa: %lx type %u\n", pa, type);
    89	
    90		return 0;
    91	}
    92	

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki

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