Linux Virtualization - Jul 2020 - [vhost:vhost 38/45] include/linux/vdpa.h:43:21: error: expected ':', ',', ';', '}' or '__attribute__' before '.' token

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost.git vhost
head:   84d40e4b4bc64456abf5ef5663871053b40e84ac
commit: fee8fe6bd8ccacd27e963b71b4f943be3721779e [38/45] vdpa: make sure
set_features in invoked for legacy
config: m68k-randconfig-r022-20200727 (attached as .config)
compiler: m68k-linux-gcc (GCC) 9.3.0
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
        git checkout fee8fe6bd8ccacd27e963b71b4f943be3721779e
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=m68k

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

All errors (new ones prefixed by >>):

   In file included from include/linux/kernel.h:11,
                    from drivers/vhost/vdpa.c:14:
   include/linux/scatterlist.h: In function 'sg_set_buf':
   arch/m68k/include/asm/page_mm.h:169:49: warning: ordered comparison of
pointer with null pointer [-Wextra]
     169 | #define virt_addr_valid(kaddr) ((void *)(kaddr) >= (void
*)PAGE_OFFSET && (void *)(kaddr) < high_memory)
         |                                                 ^~
   include/linux/compiler.h:78:42: note: in definition of macro
'unlikely'
      78 | # define unlikely(x) __builtin_expect(!!(x), 0)
         |                                          ^
   include/linux/scatterlist.h:143:2: note: in expansion of macro
'BUG_ON'
     143 |  BUG_ON(!virt_addr_valid(buf));
         |  ^~~~~~
   include/linux/scatterlist.h:143:10: note: in expansion of macro
'virt_addr_valid'
     143 |  BUG_ON(!virt_addr_valid(buf));
         |          ^~~~~~~~~~~~~~~
   In file included from drivers/vhost/vdpa.c:21:
   include/linux/vdpa.h: At top level:
>> include/linux/vdpa.h:43:21: error: expected ':', ',',
';', '}' or '__attribute__' before '.' token
      43 |  bool features_valid.
         |                     ^
   include/linux/vdpa.h: In function
'vdpa_reset':
>> include/linux/vdpa.h:276:6: error: 'struct vdpa_device' has no
member named 'features_valid'
     276 |  vdev->features_valid = false;
         |      ^~
   include/linux/vdpa.h: In function 'vdpa_set_features':
   include/linux/vdpa.h:284:6: error: 'struct vdpa_device' has no member
named 'features_valid'
     284 |  vdev->features_valid = true;
         |      ^~
   include/linux/vdpa.h: In function 'vdpa_get_config':
   include/linux/vdpa.h:298:11: error: 'struct vdpa_device' has no
member named 'features_valid'
     298 |  if (!vdev->features_valid)
         |           ^~
   In file included from arch/m68k/include/asm/bug.h:32,
                    from include/linux/bug.h:5,
                    from include/linux/thread_info.h:12,
                    from include/asm-generic/preempt.h:5,
                    from ./arch/m68k/include/generated/asm/preempt.h:1,
                    from include/linux/preempt.h:78,
                    from include/linux/spinlock.h:51,
                    from include/linux/seqlock.h:36,
                    from include/linux/time.h:6,
                    from include/linux/stat.h:19,
                    from include/linux/module.h:13,
                    from drivers/vhost/vdpa.c:15:
   include/linux/dma-mapping.h: In function 'dma_map_resource':
   arch/m68k/include/asm/page_mm.h:169:49: warning: ordered comparison of
pointer with null pointer [-Wextra]
     169 | #define virt_addr_valid(kaddr) ((void *)(kaddr) >= (void
*)PAGE_OFFSET && (void *)(kaddr) < high_memory)
         |                                                 ^~
   include/asm-generic/bug.h:144:27: note: in definition of macro
'WARN_ON_ONCE'
     144 |  int __ret_warn_once = !!(condition);   \
         |                           ^~~~~~~~~
   arch/m68k/include/asm/page_mm.h:170:25: note: in expansion of macro
'virt_addr_valid'
     170 | #define pfn_valid(pfn)  virt_addr_valid(pfn_to_virt(pfn))
         |                         ^~~~~~~~~~~~~~~
   include/linux/dma-mapping.h:352:19: note: in expansion of macro
'pfn_valid'
     352 |  if (WARN_ON_ONCE(pfn_valid(PHYS_PFN(phys_addr))))
         |                   ^~~~~~~~~
--
   In file included from drivers/vdpa/vdpa.c:13:
>> include/linux/vdpa.h:43:21: error: expected ':', ',',
';', '}' or '__attribute__' before '.' token
      43 |  bool features_valid.
         |                     ^
   include/linux/vdpa.h: In function
'vdpa_reset':
>> include/linux/vdpa.h:276:6: error: 'struct vdpa_device' has no
member named 'features_valid'
     276 |  vdev->features_valid = false;
         |      ^~
   include/linux/vdpa.h: In function 'vdpa_set_features':
   include/linux/vdpa.h:284:6: error: 'struct vdpa_device' has no member
named 'features_valid'
     284 |  vdev->features_valid = true;
         |      ^~
   include/linux/vdpa.h: In function 'vdpa_get_config':
   include/linux/vdpa.h:298:11: error: 'struct vdpa_device' has no
member named 'features_valid'
     298 |  if (!vdev->features_valid)
         |           ^~
   drivers/vdpa/vdpa.c: In function
'__vdpa_alloc_device':
>> drivers/vdpa/vdpa.c:99:6: error: 'struct vdpa_device' has no
member named 'features_valid'
      99 |  vdev->features_valid = false;
         |      ^~

vim +43 include/linux/vdpa.h

    29	
    30	/**
    31	 * vDPA device - representation of a vDPA device
    32	 * @dev: underlying device
    33	 * @dma_dev: the actual device that is performing DMA
    34	 * @config: the configuration ops for this device.
    35	 * @index: device index
    36	 * @features_valid: were features initialized? for legacy guests
    37	 */
    38	struct vdpa_device {
    39		struct device dev;
    40		struct device *dma_dev;
    41		const struct vdpa_config_ops *config;
    42		unsigned int index;
  > 43		bool features_valid.
    44	};
    45	

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