6:05 a.m.
tree: https://git.kernel.org/pub/scm/linux/kernel/git/ogabbay/linux.git habanalabs-next
head: 7ff0882e4eb53de988df67bc47c0d153dc343962
commit: bff4f13b946858c7fb2c1e56d7b34a4109fae5f7 [51/55] habanalabs: add userptr_lookup
node in debugfs
config: riscv-randconfig-r042-20210816 (attached as .config)
compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project
d2b574a4dea5b718e4386bf2e26af0126e5978ce)
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
# install riscv cross compiling tool for clang build
# apt-get install binutils-riscv64-linux-gnu
#
https://git.kernel.org/pub/scm/linux/kernel/git/ogabbay/linux.git/commit/...
git remote add ogabbay
https://git.kernel.org/pub/scm/linux/kernel/git/ogabbay/linux.git
git fetch --no-tags ogabbay habanalabs-next
git checkout bff4f13b946858c7fb2c1e56d7b34a4109fae5f7
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=riscv
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp(a)intel.com>
All warnings (new ones prefixed by >>):
> drivers/misc/habanalabs/common/debugfs.c:360:7: warning: format
specifies type 'unsigned long long' but the argument has type 'dma_addr_t'
(aka 'unsigned int') [-Wformat]
dma_addr, userptr->pid,
^~~~~~~~
1 warning generated.
vim +360 drivers/misc/habanalabs/common/debugfs.c
322
323 static int userptr_lookup_show(struct seq_file *s, void *data)
324 {
325 struct hl_debugfs_entry *entry = s->private;
326 struct hl_dbg_device_entry *dev_entry = entry->dev_entry;
327 struct scatterlist *sg;
328 struct hl_userptr *userptr;
329 bool first = true;
330 u64 total_npages, npages, sg_start, sg_end;
331 dma_addr_t dma_addr;
332 int i;
333
334 spin_lock(&dev_entry->userptr_spinlock);
335
336 list_for_each_entry(userptr, &dev_entry->userptr_list, debugfs_list) {
337 if (dev_entry->userptr_lookup >= userptr->addr &&
338 dev_entry->userptr_lookup < userptr->addr + userptr->size) {
339 total_npages = 0;
340 for_each_sg(userptr->sgt->sgl, sg, userptr->sgt->nents,
341 i) {
342 npages = hl_get_sg_info(sg, &dma_addr);
343 sg_start = userptr->addr +
344 total_npages * PAGE_SIZE;
345 sg_end = userptr->addr +
346 (total_npages + npages) * PAGE_SIZE;
347
348 if (dev_entry->userptr_lookup >= sg_start &&
349 dev_entry->userptr_lookup < sg_end) {
350 dma_addr += (dev_entry->userptr_lookup -
351 sg_start);
352 if (first) {
353 first = false;
354 seq_puts(s, "\n");
355 seq_puts(s, " user virtual address dma address pid
region start region size\n");
356 seq_puts(s,
"---------------------------------------------------------------------------------------\n");
357 }
358 seq_printf(s, " 0x%-18llx 0x%-16llx %-8u 0x%-16llx %-12llu\n",
359 dev_entry->userptr_lookup,
360 dma_addr, userptr->pid,
361 userptr->addr, userptr->size);
362 }
363 total_npages += npages;
364 }
365 }
366 }
367
368 spin_unlock(&dev_entry->userptr_spinlock);
369
370 if (!first)
371 seq_puts(s, "\n");
372
373 return 0;
374 }
375
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org