[radeon-alex:amd-19.50 2129/2687] drivers/gpu/drm/ttm/ttm_bo_util.c:265:57: error: 'KM_USER0' undeclared; did you mean 'SI_USER'?

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tree:   git://people.freedesktop.org/~agd5f/linux.git amd-19.50
head:   02692309efa6ad48d47894e40fcb3832ace49c4c
commit: f2d51786363ee2a72c55570835e4c79066af2782 [2129/2687] drm/amdkcl: Test whether kmap_atomic() wants one argument
config: i386-allyesconfig (attached as .config)
compiler: gcc-7 (Debian 7.5.0-3) 7.5.0
reproduce:
        git checkout f2d51786363ee2a72c55570835e4c79066af2782
        # save the attached .config to linux build tree
        make ARCH=i386 

If you fix the issue, kindly add following tag
Reported-by: kbuild test robot <lkp@xxxxxxxxx>

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

                    from include/drm/drm_print.h:32,
                    from include/drm/drm_mm.h:49,
                    from include/drm/drm_vma_manager.h:26,
                    from include/kcl/kcl_drm_vma_manager.h:8,
                    from drivers/gpu/drm/ttm/backport/backport.h:5,
                    from <command-line>:0:
   include/linux/kref.h:36:28: note: previous definition of 'kref_read' was here
    static inline unsigned int kref_read(const struct kref *kref)
                               ^~~~~~~~~
   In file included from drivers/gpu/drm/ttm/backport/backport.h:11:0,
                    from <command-line>:0:
   include/kcl/kcl_kref.h: In function 'kref_read':
   include/kcl/kcl_kref.h:9:21: error: passing argument 1 of 'atomic_read' from incompatible pointer type [-Werror=incompatible-pointer-types]
     return atomic_read(&kref->refcount);
                        ^
   In file included from arch/x86/include/asm/atomic.h:265:0,
                    from include/linux/atomic.h:7,
                    from include/linux/rcupdate.h:25,
                    from include/linux/rbtree.h:34,
                    from include/drm/drm_mm.h:41,
                    from include/drm/drm_vma_manager.h:26,
                    from include/kcl/kcl_drm_vma_manager.h:8,
                    from drivers/gpu/drm/ttm/backport/backport.h:5,
                    from <command-line>:0:
   include/asm-generic/atomic-instrumented.h:24:1: note: expected 'const atomic_t * {aka const struct <anonymous> *}' but argument is of type 'const refcount_t * {aka const struct refcount_struct *}'
    atomic_read(const atomic_t *v)
    ^~~~~~~~~~~
   In file included from drivers/gpu/drm/ttm/backport/backport.h:12:0,
                    from <command-line>:0:
   include/kcl/kcl_mm_types.h: At top level:
   include/kcl/kcl_mm_types.h:10:3: error: conflicting types for 'pfn_t'
    } pfn_t;
      ^~~~~
   In file included from include/asm-generic/memory_model.h:5:0,
                    from arch/x86/include/asm/page.h:76,
                    from arch/x86/include/asm/thread_info.h:12,
                    from include/linux/thread_info.h:38,
                    from arch/x86/include/asm/preempt.h:7,
                    from include/linux/preempt.h:78,
                    from include/linux/rcupdate.h:27,
                    from include/linux/rbtree.h:34,
                    from include/drm/drm_mm.h:41,
                    from include/drm/drm_vma_manager.h:26,
                    from include/kcl/kcl_drm_vma_manager.h:8,
                    from drivers/gpu/drm/ttm/backport/backport.h:5,
                    from <command-line>:0:
   include/linux/pfn.h:15:3: note: previous declaration of 'pfn_t' was here
    } pfn_t;
      ^~~~~
   In file included from drivers/gpu/drm/ttm/backport/backport.h:12:0,
                    from <command-line>:0:
   include/kcl/kcl_mm_types.h:33:13: error: conflicting types for 'vm_fault_t'
    typedef int vm_fault_t;
                ^~~~~~~~~~
   In file included from include/drm/drm_mm.h:43:0,
                    from include/drm/drm_vma_manager.h:26,
                    from include/kcl/kcl_drm_vma_manager.h:8,
                    from drivers/gpu/drm/ttm/backport/backport.h:5,
                    from <command-line>:0:
   include/linux/mm_types.h:631:32: note: previous declaration of 'vm_fault_t' was here
    typedef __bitwise unsigned int vm_fault_t;
                                   ^~~~~~~~~~
   In file included from drivers/gpu/drm/ttm/backport/backport.h:12:0,
                    from <command-line>:0:
   include/kcl/kcl_mm_types.h:35:26: error: conflicting types for 'vmf_insert_mixed'
    static inline vm_fault_t vmf_insert_mixed(struct vm_area_struct *vma,
                             ^~~~~~~~~~~~~~~~
   In file included from include/drm/drm_vma_manager.h:27:0,
                    from include/kcl/kcl_drm_vma_manager.h:8,
                    from drivers/gpu/drm/ttm/backport/backport.h:5,
                    from <command-line>:0:
   include/linux/mm.h:2587:12: note: previous declaration of 'vmf_insert_mixed' was here
    vm_fault_t vmf_insert_mixed(struct vm_area_struct *vma, unsigned long addr,
               ^~~~~~~~~~~~~~~~
   In file included from drivers/gpu/drm/ttm/backport/backport.h:12:0,
                    from <command-line>:0:
   include/kcl/kcl_mm_types.h: In function 'vmf_insert_mixed':
   include/kcl/kcl_mm_types.h:41:8: error: implicit declaration of function 'vm_insert_mixed'; did you mean 'vmf_insert_mixed'? [-Werror=implicit-function-declaration]
     err = vm_insert_mixed(vma, addr, pfn_t_to_pfn(pfn));
           ^~~~~~~~~~~~~~~
           vmf_insert_mixed
   include/kcl/kcl_mm_types.h: At top level:
   include/kcl/kcl_mm_types.h:53:26: error: conflicting types for 'vmf_insert_pfn'
    static inline vm_fault_t vmf_insert_pfn(struct vm_area_struct *vma,
                             ^~~~~~~~~~~~~~
   In file included from include/drm/drm_vma_manager.h:27:0,
                    from include/kcl/kcl_drm_vma_manager.h:8,
                    from drivers/gpu/drm/ttm/backport/backport.h:5,
                    from <command-line>:0:
   include/linux/mm.h:2583:12: note: previous declaration of 'vmf_insert_pfn' was here
    vm_fault_t vmf_insert_pfn(struct vm_area_struct *vma, unsigned long addr,
               ^~~~~~~~~~~~~~
   In file included from drivers/gpu/drm/ttm/backport/backport.h:12:0,
                    from <command-line>:0:
   include/kcl/kcl_mm_types.h: In function 'vmf_insert_pfn':
   include/kcl/kcl_mm_types.h:56:13: error: implicit declaration of function 'vm_insert_pfn'; did you mean 'vmf_insert_pfn'? [-Werror=implicit-function-declaration]
      int err = vm_insert_pfn(vma, addr, pfn);
                ^~~~~~~~~~~~~
                vmf_insert_pfn
   drivers/gpu/drm/ttm/ttm_bo_util.c: In function 'ttm_kmap_atomic_prot':
>> drivers/gpu/drm/ttm/ttm_bo_util.c:265:57: error: 'KM_USER0' undeclared (first use in this function); did you mean 'SI_USER'?
    #define __kcl__kmap_atomic(__page)  kmap_atomic(__page, KM_USER0)
                                                            ^
>> drivers/gpu/drm/ttm/ttm_bo_util.c:303:10: note: in expansion of macro '__kcl__kmap_atomic'
      return __kcl__kmap_atomic(page);
             ^~~~~~~~~~~~~~~~~~
   drivers/gpu/drm/ttm/ttm_bo_util.c:265:57: note: each undeclared identifier is reported only once for each function it appears in
    #define __kcl__kmap_atomic(__page)  kmap_atomic(__page, KM_USER0)
                                                            ^
>> drivers/gpu/drm/ttm/ttm_bo_util.c:303:10: note: in expansion of macro '__kcl__kmap_atomic'
      return __kcl__kmap_atomic(page);
             ^~~~~~~~~~~~~~~~~~
>> drivers/gpu/drm/ttm/ttm_bo_util.c:265:37: error: too many arguments to function 'kmap_atomic'
    #define __kcl__kmap_atomic(__page)  kmap_atomic(__page, KM_USER0)
                                        ^
>> drivers/gpu/drm/ttm/ttm_bo_util.c:303:10: note: in expansion of macro '__kcl__kmap_atomic'
      return __kcl__kmap_atomic(page);
             ^~~~~~~~~~~~~~~~~~
   In file included from include/linux/highmem.h:35:0,
                    from include/drm/drmP.h:40,
                    from include/kcl/kcl_drm.h:6,
                    from drivers/gpu/drm/ttm/backport/backport.h:6,
                    from <command-line>:0:
   arch/x86/include/asm/highmem.h:68:7: note: declared here
    void *kmap_atomic(struct page *page);
          ^~~~~~~~~~~
>> drivers/gpu/drm/ttm/ttm_bo_util.c:274:48: error: too many arguments to function 'kmap_atomic_prot'
    #define __ttm_kmap_atomic_prot(__page, __prot) kmap_atomic_prot(__page, KM_USER0, __prot)
                                                   ^
>> drivers/gpu/drm/ttm/ttm_bo_util.c:305:10: note: in expansion of macro '__ttm_kmap_atomic_prot'
      return __ttm_kmap_atomic_prot(page, prot);
             ^~~~~~~~~~~~~~~~~~~~~~
   In file included from include/linux/highmem.h:35:0,
                    from include/drm/drmP.h:40,
                    from include/kcl/kcl_drm.h:6,
                    from drivers/gpu/drm/ttm/backport/backport.h:6,
                    from <command-line>:0:
   arch/x86/include/asm/highmem.h:67:7: note: declared here
    void *kmap_atomic_prot(struct page *page, pgprot_t prot);
          ^~~~~~~~~~~~~~~~
   drivers/gpu/drm/ttm/ttm_bo_util.c: In function 'ttm_kunmap_atomic_prot':
>> drivers/gpu/drm/ttm/ttm_bo_util.c:319:28: error: macro "kunmap_atomic" passed 2 arguments, but takes just 1
      __kcl__kunmap_atomic(addr);
                               ^
>> drivers/gpu/drm/ttm/ttm_bo_util.c:266:39: error: 'kunmap_atomic' undeclared (first use in this function); did you mean '__kunmap_atomic'?
    #define __kcl__kunmap_atomic(__addr)  kunmap_atomic(__addr, KM_USER0)
                                          ^
>> drivers/gpu/drm/ttm/ttm_bo_util.c:319:3: note: in expansion of macro '__kcl__kunmap_atomic'
      __kcl__kunmap_atomic(addr);
      ^~~~~~~~~~~~~~~~~~~~
   drivers/gpu/drm/ttm/ttm_bo_util.c:321:27: error: macro "kunmap_atomic" passed 2 arguments, but takes just 1
      __ttm_kunmap_atomic(addr);
                              ^
   drivers/gpu/drm/ttm/ttm_bo_util.c: In function 'ttm_kmap_atomic_prot':
>> drivers/gpu/drm/ttm/ttm_bo_util.c:306:1: warning: control reaches end of non-void function [-Wreturn-type]
    }
    ^
   cc1: some warnings being treated as errors

vim +265 drivers/gpu/drm/ttm/ttm_bo_util.c

ba4e7d973dd09b Thomas Hellstrom 2009-06-10  263  
f2d51786363ee2 Yifan Zhang      2019-08-20  264  #if !defined(HAVE_KMAP_ATOMIC_ONE_ARG)
0abf5b3276d4c7 Kevin Wang       2018-08-17 @265  #define __kcl__kmap_atomic(__page) 	kmap_atomic(__page, KM_USER0)
0abf5b3276d4c7 Kevin Wang       2018-08-17 @266  #define __kcl__kunmap_atomic(__addr) 	kunmap_atomic(__addr, KM_USER0)
0abf5b3276d4c7 Kevin Wang       2018-08-17  267  #else
0abf5b3276d4c7 Kevin Wang       2018-08-17  268  #define __kcl__kmap_atomic(__page) 	kmap_atomic(__page)
0abf5b3276d4c7 Kevin Wang       2018-08-17  269  #define __kcl__kunmap_atomic(__addr) 	kunmap_atomic(__addr)
f2d51786363ee2 Yifan Zhang      2019-08-20  270  #endif
f2d51786363ee2 Yifan Zhang      2019-08-20  271  
f2d51786363ee2 Yifan Zhang      2019-08-20  272  #ifdef CONFIG_X86
f2d51786363ee2 Yifan Zhang      2019-08-20  273  #if !defined(HAVE_KMAP_ATOMIC_ONE_ARG)
f2d51786363ee2 Yifan Zhang      2019-08-20 @274  #define __ttm_kmap_atomic_prot(__page, __prot)	kmap_atomic_prot(__page, KM_USER0, __prot)
f2d51786363ee2 Yifan Zhang      2019-08-20  275  #define __ttm_kunmap_atomic(__addr) 		kunmap_atomic(__addr, KM_USER0)
f2d51786363ee2 Yifan Zhang      2019-08-20  276  #else
403c1826a45644 Thomas Hellstrom 2018-01-16  277  #define __ttm_kunmap_atomic(__addr) kunmap_atomic(__addr)
f2d51786363ee2 Yifan Zhang      2019-08-20  278  #define __ttm_kmap_atomic_prot(__page, __prot) kmap_atomic_prot(__page, __prot)
0abf5b3276d4c7 Kevin Wang       2018-08-17  279  #endif
403c1826a45644 Thomas Hellstrom 2018-01-16  280  #else
403c1826a45644 Thomas Hellstrom 2018-01-16  281  #define __ttm_kmap_atomic_prot(__page, __prot) vmap(&__page, 1, 0,  __prot)
403c1826a45644 Thomas Hellstrom 2018-01-16  282  #define __ttm_kunmap_atomic(__addr) vunmap(__addr)
403c1826a45644 Thomas Hellstrom 2018-01-16  283  #endif
403c1826a45644 Thomas Hellstrom 2018-01-16  284  
9c11fcf1a74d33 Thomas Hellstrom 2018-01-16  285  
9c11fcf1a74d33 Thomas Hellstrom 2018-01-16  286  /**
9c11fcf1a74d33 Thomas Hellstrom 2018-01-16  287   * ttm_kmap_atomic_prot - Efficient kernel map of a single page with
9c11fcf1a74d33 Thomas Hellstrom 2018-01-16  288   * specified page protection.
9c11fcf1a74d33 Thomas Hellstrom 2018-01-16  289   *
9c11fcf1a74d33 Thomas Hellstrom 2018-01-16  290   * @page: The page to map.
9c11fcf1a74d33 Thomas Hellstrom 2018-01-16  291   * @prot: The page protection.
9c11fcf1a74d33 Thomas Hellstrom 2018-01-16  292   *
9c11fcf1a74d33 Thomas Hellstrom 2018-01-16  293   * This function maps a TTM page using the kmap_atomic api if available,
9c11fcf1a74d33 Thomas Hellstrom 2018-01-16  294   * otherwise falls back to vmap. The user must make sure that the
9c11fcf1a74d33 Thomas Hellstrom 2018-01-16  295   * specified page does not have an aliased mapping with a different caching
9c11fcf1a74d33 Thomas Hellstrom 2018-01-16  296   * policy unless the architecture explicitly allows it. Also mapping and
9c11fcf1a74d33 Thomas Hellstrom 2018-01-16  297   * unmapping using this api must be correctly nested. Unmapping should
9c11fcf1a74d33 Thomas Hellstrom 2018-01-16  298   * occur in the reverse order of mapping.
9c11fcf1a74d33 Thomas Hellstrom 2018-01-16  299   */
9c11fcf1a74d33 Thomas Hellstrom 2018-01-16  300  void *ttm_kmap_atomic_prot(struct page *page, pgprot_t prot)
403c1826a45644 Thomas Hellstrom 2018-01-16  301  {
403c1826a45644 Thomas Hellstrom 2018-01-16  302  	if (pgprot_val(prot) == pgprot_val(PAGE_KERNEL))
0abf5b3276d4c7 Kevin Wang       2018-08-17 @303  		return __kcl__kmap_atomic(page);
403c1826a45644 Thomas Hellstrom 2018-01-16  304  	else
403c1826a45644 Thomas Hellstrom 2018-01-16 @305  		return __ttm_kmap_atomic_prot(page, prot);
403c1826a45644 Thomas Hellstrom 2018-01-16 @306  }
9c11fcf1a74d33 Thomas Hellstrom 2018-01-16  307  EXPORT_SYMBOL(ttm_kmap_atomic_prot);
403c1826a45644 Thomas Hellstrom 2018-01-16  308  
9c11fcf1a74d33 Thomas Hellstrom 2018-01-16  309  /**
9c11fcf1a74d33 Thomas Hellstrom 2018-01-16  310   * ttm_kunmap_atomic_prot - Unmap a page that was mapped using
9c11fcf1a74d33 Thomas Hellstrom 2018-01-16  311   * ttm_kmap_atomic_prot.
9c11fcf1a74d33 Thomas Hellstrom 2018-01-16  312   *
9c11fcf1a74d33 Thomas Hellstrom 2018-01-16  313   * @addr: The virtual address from the map.
9c11fcf1a74d33 Thomas Hellstrom 2018-01-16  314   * @prot: The page protection.
9c11fcf1a74d33 Thomas Hellstrom 2018-01-16  315   */
9c11fcf1a74d33 Thomas Hellstrom 2018-01-16  316  void ttm_kunmap_atomic_prot(void *addr, pgprot_t prot)
403c1826a45644 Thomas Hellstrom 2018-01-16  317  {
403c1826a45644 Thomas Hellstrom 2018-01-16  318  	if (pgprot_val(prot) == pgprot_val(PAGE_KERNEL))
0abf5b3276d4c7 Kevin Wang       2018-08-17 @319  		__kcl__kunmap_atomic(addr);
403c1826a45644 Thomas Hellstrom 2018-01-16  320  	else
403c1826a45644 Thomas Hellstrom 2018-01-16  321  		__ttm_kunmap_atomic(addr);
403c1826a45644 Thomas Hellstrom 2018-01-16  322  }
9c11fcf1a74d33 Thomas Hellstrom 2018-01-16  323  EXPORT_SYMBOL(ttm_kunmap_atomic_prot);
403c1826a45644 Thomas Hellstrom 2018-01-16  324  

:::::: The code at line 265 was first introduced by commit
:::::: 0abf5b3276d4c78556c09a4ef7d59898c3da363d drm/amdkcl: [RHEL 6] support kmap_atomic funciton for ttm module

:::::: TO: Kevin Wang <Kevin1.Wang@xxxxxxx>
:::::: CC: Chengming Gui <Jack.Gui@xxxxxxx>

---
0-DAY kernel test infrastructure                 Open Source Technology Center
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