9:47 a.m.
Hi Alex,
I love your patch! Perhaps something to improve:
[auto build test WARNING on vfio/next]
[also build test WARNING on next-20210211]
[cannot apply to v5.11-rc7]
[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]
url:
https://github.com/0day-ci/linux/commits/Alex-Williamson/vfio-Device-memo...
base: https://github.com/awilliam/linux-vfio.git next
config: arm-randconfig-r032-20210212 (attached as .config)
compiler: clang version 12.0.0 (https://github.com/llvm/llvm-project
c9439ca36342fb6013187d0a69aef92736951476)
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 arm cross compiling tool for clang build
# apt-get install binutils-arm-linux-gnueabi
#
https://github.com/0day-ci/linux/commit/f983107aef5b1386ae601ee8573da872f...
git remote add linux-review https://github.com/0day-ci/linux
git fetch --no-tags linux-review
Alex-Williamson/vfio-Device-memory-DMA-mapping-improvements/20210213-033317
git checkout f983107aef5b1386ae601ee8573da872f1484633
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=arm
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/vfio/vfio_iommu_type1.c:509:18: warning: no previous
prototype for function 'pfnmap_find_dma' [-Wmissing-prototypes]
struct
vfio_dma *pfnmap_find_dma(struct pfnmap_obj *pfnmap)
^
drivers/vfio/vfio_iommu_type1.c:509:1: note: declare 'static' if the function
is not intended to be used outside of this translation unit
struct vfio_dma *pfnmap_find_dma(struct pfnmap_obj *pfnmap)
^
static
1 warning generated.
vim +/pfnmap_find_dma +509 drivers/vfio/vfio_iommu_type1.c
508
509 struct vfio_dma *pfnmap_find_dma(struct pfnmap_obj *pfnmap)
510 {
511 struct rb_node *n;
512
513 for (n = rb_first(&pfnmap->iommu->dma_list); n; n = rb_next(n)) {
514 struct vfio_dma *dma = rb_entry(n, struct vfio_dma, node);
515
516 if (dma->pfnmap == pfnmap)
517 return dma;
518 }
519
520 return NULL;
521 }
522
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org