Re: [PATCH] cxl/hdm: Fix dpa translation locking

Re: [PATCH] cxl/hdm: Fix dpa translation locking

[kernel test robot]

Hi Dan,

kernel test robot noticed the following build warnings:

[auto build test WARNING on linus/master]
[also build test WARNING on v6.7-rc4 next-20231207]
[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/Dan-Williams/cxl-hdm-Fix-dpa-translation-locking/20231207-115958
base:   linus/master
patch link:    https://lore.kernel.org/r/170192142664.461900.3169528633970716889.stgit%40dwillia2-xfh.jf.intel.com
patch subject: [PATCH] cxl/hdm: Fix dpa translation locking
config: i386-allmodconfig (https://download.01.org/0day-ci/archive/20231208/202312080021.eQEtUpnB-lkp@intel.com/config)
compiler: clang version 16.0.4 (https://github.com/llvm/llvm-project.git ae42196bc493ffe877a7e3dff8be32035dea4d07)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20231208/202312080021.eQEtUpnB-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@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202312080021.eQEtUpnB-lkp@intel.com/

All warnings (new ones prefixed by >>):

>> drivers/cxl/core/port.c:231:36: warning: format specifies type 'unsigned long long' but the argument has type 'resource_size_t' (aka 'unsigned int') [-Wformat]
           return sysfs_emit(buf, "%#llx\n", cxl_dpa_resource_start(cxled));
                                   ~~~~~     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
                                   %#x
   1 warning generated.


vim +231 drivers/cxl/core/port.c

   224	
   225	static ssize_t dpa_resource_show(struct device *dev, struct device_attribute *attr,
   226				    char *buf)
   227	{
   228		struct cxl_endpoint_decoder *cxled = to_cxl_endpoint_decoder(dev);
   229	
   230		guard(rwsem_read)(&cxl_dpa_rwsem);
 > 231		return sysfs_emit(buf, "%#llx\n", cxl_dpa_resource_start(cxled));
   232	}
   233	static DEVICE_ATTR_RO(dpa_resource);
   234	

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