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Subject[hyperv:hyperv-next 1/5] kernel/dma/swiotlb.c:176:11: warning: format specifies type 'unsigned long long' but the argument has type 'phys_addr_t' (aka 'unsigned int')
tree:   https://git.kernel.org/pub/scm/linux/kernel/git/hyperv/linux.git hyperv-next
head: 63cd06c67a2f46009da6e88ca46f9c7231ab8998
commit: f16dc95481e2ef2c385008f8b7bd382ea6919ee2 [1/5] swiotlb: Add swiotlb bounce buffer remap function for HV IVM
config: i386-randconfig-a001-20211219 (https://download.01.org/0day-ci/archive/20211220/202112202102.zfnhbn2Q-lkp@intel.com/config)
compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project 683cbc12b33e5c8dc8d29bf5ed79fbf45763aadd)
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://git.kernel.org/pub/scm/linux/kernel/git/hyperv/linux.git/commit/?id=f16dc95481e2ef2c385008f8b7bd382ea6919ee2
git remote add hyperv https://git.kernel.org/pub/scm/linux/kernel/git/hyperv/linux.git
git fetch --no-tags hyperv hyperv-next
git checkout f16dc95481e2ef2c385008f8b7bd382ea6919ee2
# save the config file to linux build tree
mkdir build_dir
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=i386 SHELL=/bin/bash kernel/dma/

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>

All warnings (new ones prefixed by >>):

>> kernel/dma/swiotlb.c:176:11: warning: format specifies type 'unsigned long long' but the argument has type 'phys_addr_t' (aka 'unsigned int') [-Wformat]
paddr, bytes);
^~~~~
include/linux/printk.h:493:33: note: expanded from macro 'pr_err'
printk(KERN_ERR pr_fmt(fmt), ##__VA_ARGS__)
~~~ ^~~~~~~~~~~
include/linux/printk.h:450:60: note: expanded from macro 'printk'
#define printk(fmt, ...) printk_index_wrap(_printk, fmt, ##__VA_ARGS__)
~~~ ^~~~~~~~~~~
include/linux/printk.h:422:19: note: expanded from macro 'printk_index_wrap'
_p_func(_fmt, ##__VA_ARGS__); \
~~~~ ^~~~~~~~~~~
1 warning generated.


vim +176 kernel/dma/swiotlb.c

160
161 /*
162 * Remap swioltb memory in the unencrypted physical address space
163 * when swiotlb_unencrypted_base is set. (e.g. for Hyper-V AMD SEV-SNP
164 * Isolation VMs).
165 */
166 static void *swiotlb_mem_remap(struct io_tlb_mem *mem, unsigned long bytes)
167 {
168 void *vaddr = NULL;
169
170 if (swiotlb_unencrypted_base) {
171 phys_addr_t paddr = mem->start + swiotlb_unencrypted_base;
172
173 vaddr = memremap(paddr, bytes, MEMREMAP_WB);
174 if (!vaddr)
175 pr_err("Failed to map the unencrypted memory %llx size %lx.\n",
> 176 paddr, bytes);
177 }
178
179 return vaddr;
180 }
181

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org

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