Hi Chen,

[auto build test ERROR on staging/staging-testing]
[also build test ERROR on v4.4 next-20160114]
[if your patch is applied to the wrong git tree, please drop us a note to help 
improving the system]

url:    
https://github.com/0day-ci/linux/commits/Chen-Feng/staging-ion-make-the-pte-default-none-PTE_RDONLY/20160115-104450
config: ia64-allyesconfig (attached as .config)
reproduce:
        wget 
https://git.kernel.org/cgit/linux/kernel/git/wfg/lkp-tests.git/plain/sbin/make.cross
 -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # save the attached .config to linux build tree
        make.cross ARCH=ia64 

All error/warnings (new ones prefixed by >>):

   In file included from arch/ia64/include/asm/ptrace.h:45:0,
                    from arch/ia64/include/asm/processor.h:19,
                    from include/linux/mutex.h:19,
                    from include/linux/kernfs.h:13,
                    from include/linux/sysfs.h:15,
                    from include/linux/kobject.h:21,
                    from include/linux/device.h:17,
                    from drivers/staging/android/ion/ion.c:18:
   drivers/staging/android/ion/ion.c: In function 'ion_mmap':
>> arch/ia64/include/asm/page.h:183:25: error: 'pgprot_t' has no member named 
>> 'pte'
    # define pte_val(x) ((x).pte)
                            ^
   arch/ia64/include/asm/page.h:191:31: note: in definition of macro '__pte'
    # define __pte(x) ((pte_t) { (x) } )
                                  ^
>> arch/ia64/include/asm/pgtable.h:311:33: note: in expansion of macro 'pte_val'
    #define pte_mkdirty(pte) (__pte(pte_val(pte) | _PAGE_D))
                                    ^
>> drivers/staging/android/ion/ion.c:1030:22: note: in expansion of macro 
>> 'pte_mkdirty'
     vma->vm_page_prot = pte_mkdirty(vma->vm_page_prot);
                         ^

vim +/pte_mkdirty +1030 drivers/staging/android/ion/ion.c

  1014                  return -EINVAL;
  1015          }
  1016  
  1017          if (ion_buffer_fault_user_mappings(buffer)) {
  1018                  vma->vm_flags |= VM_IO | VM_PFNMAP | VM_DONTEXPAND |
  1019                                                          VM_DONTDUMP;
  1020                  vma->vm_private_data = buffer;
  1021                  vma->vm_ops = &ion_vma_ops;
  1022                  ion_vm_open(vma);
  1023                  return 0;
  1024          }
  1025  
  1026          if (!(buffer->flags & ION_FLAG_CACHED))
  1027                  vma->vm_page_prot = 
pgprot_writecombine(vma->vm_page_prot);
  1028  
  1029          /*Default writeable*/
> 1030          vma->vm_page_prot = pte_mkdirty(vma->vm_page_prot);
  1031  
  1032          mutex_lock(&buffer->lock);
  1033          /* now map it to userspace */
  1034          ret = buffer->heap->ops->map_user(buffer->heap, buffer, vma);
  1035          mutex_unlock(&buffer->lock);
  1036  
  1037          if (ret)
  1038                  pr_err("%s: failure mapping buffer to userspace\n",

---
0-DAY kernel test infrastructure                Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all                   Intel Corporation

Attachment: .config.gz
Description: Binary data

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