8:59 a.m.
tree: https://github.com/awilliam/linux-vfio.git next
head: 2099363255f123f6c9abcfa8531bbec65a8f1820
commit: 67247289688d49a610a956c23c4ff032f0281845 [19/27] vfio/fsl-mc: Allow userspace to
MMAP fsl-mc device MMIO regions
config: i386-allyesconfig (attached as .config)
compiler: gcc-9 (Debian 9.3.0-15) 9.3.0
reproduce (this is a W=1 build):
#
https://github.com/awilliam/linux-vfio/commit/67247289688d49a610a956c23c4...
git remote add vfio https://github.com/awilliam/linux-vfio.git
git fetch --no-tags vfio next
git checkout 67247289688d49a610a956c23c4ff032f0281845
# save the attached .config to linux build tree
make W=1 ARCH=i386
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp(a)intel.com>
All errors (new ones prefixed by >>):
drivers/vfio/fsl-mc/vfio_fsl_mc.c: In function 'vfio_fsl_mc_mmap_mmio':
> drivers/vfio/fsl-mc/vfio_fsl_mc.c:189:36: error:
'FSL_MC_REGION_CACHEABLE' undeclared (first use in this function)
189 |
region_cacheable = (region.type & FSL_MC_REGION_CACHEABLE) &&
| ^~~~~~~~~~~~~~~~~~~~~~~
drivers/vfio/fsl-mc/vfio_fsl_mc.c:189:36: note: each undeclared identifier is reported
only once for each function it appears in
> drivers/vfio/fsl-mc/vfio_fsl_mc.c:190:22: error:
'FSL_MC_REGION_SHAREABLE' undeclared (first use in this function)
190 |
(region.type & FSL_MC_REGION_SHAREABLE);
| ^~~~~~~~~~~~~~~~~~~~~~~
drivers/vfio/fsl-mc/vfio_fsl_mc.c: In function 'vfio_fsl_mc_bus_notifier':
drivers/vfio/fsl-mc/vfio_fsl_mc.c:256:9: error: 'struct fsl_mc_device' has no
member named 'driver_override'
256 | mc_dev->driver_override = kasprintf(GFP_KERNEL, "%s",
| ^~
drivers/vfio/fsl-mc/vfio_fsl_mc.c:258:14: error: 'struct fsl_mc_device' has no
member named 'driver_override'
258 | if (!mc_dev->driver_override)
| ^~
drivers/vfio/fsl-mc/vfio_fsl_mc.c: In function 'vfio_fsl_mc_init_device':
drivers/vfio/fsl-mc/vfio_fsl_mc.c:295:8: error: implicit declaration of function
'dprc_setup' [-Werror=implicit-function-declaration]
295 | ret = dprc_setup(mc_dev);
| ^~~~~~~~~~
drivers/vfio/fsl-mc/vfio_fsl_mc.c:301:8: error: implicit declaration of function
'dprc_scan_container' [-Werror=implicit-function-declaration]
301 | ret = dprc_scan_container(mc_dev, false);
| ^~~~~~~~~~~~~~~~~~~
drivers/vfio/fsl-mc/vfio_fsl_mc.c:310:2: error: implicit declaration of function
'dprc_remove_devices' [-Werror=implicit-function-declaration]
310 | dprc_remove_devices(mc_dev, NULL, 0);
| ^~~~~~~~~~~~~~~~~~~
drivers/vfio/fsl-mc/vfio_fsl_mc.c:311:2: error: implicit declaration of function
'dprc_cleanup' [-Werror=implicit-function-declaration]
311 | dprc_cleanup(mc_dev);
| ^~~~~~~~~~~~
cc1: some warnings being treated as errors
vim +/FSL_MC_REGION_CACHEABLE +189 drivers/vfio/fsl-mc/vfio_fsl_mc.c
174
175 static int vfio_fsl_mc_mmap_mmio(struct vfio_fsl_mc_region region,
176 struct vm_area_struct *vma)
177 {
178 u64 size = vma->vm_end - vma->vm_start;
179 u64 pgoff, base;
180 u8 region_cacheable;
181
182 pgoff = vma->vm_pgoff &
183 ((1U << (VFIO_FSL_MC_OFFSET_SHIFT - PAGE_SHIFT)) - 1);
184 base = pgoff << PAGE_SHIFT;
185
186 if (region.size < PAGE_SIZE || base + size > region.size)
187 return -EINVAL;
188
189 region_cacheable = (region.type & FSL_MC_REGION_CACHEABLE)
&&
190 (region.type & FSL_MC_REGION_SHAREABLE);
191 if
(!region_cacheable)
192 vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot);
193
194 vma->vm_pgoff = (region.addr >> PAGE_SHIFT) + pgoff;
195
196 return remap_pfn_range(vma, vma->vm_start, vma->vm_pgoff,
197 size, vma->vm_page_prot);
198 }
199
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org