[radeon-alex:amd-mainline-dkms-5.0 3697/3778] drivers/gpu//drm/ttm/ttm_bo_util.c:305:43: error: macro "kmap_atomic_prot" passed 3 arguments, but takes just 2

kbuild test robot lkp at intel.com
Tue Sep 24 18:54:01 UTC 2019


Hi Flora,

FYI, the error/warning still remains.

tree:   git://people.freedesktop.org/~agd5f/linux.git amd-mainline-dkms-5.0
head:   71c434dfdbe847b6d8a645cb90ae2685f284b092
commit: f460c248a3f0bca3a875602cf40693de672485c4 [3697/3778] drm/amd/autoconf: refactor dma_fence header check
config: x86_64-allmodconfig (attached as .config)
compiler: gcc-7 (Debian 7.4.0-13) 7.4.0
reproduce:
        git checkout f460c248a3f0bca3a875602cf40693de672485c4
        # save the attached .config to linux build tree
        make ARCH=x86_64 

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

All errors (new ones prefixed by >>):

                    from include/linux/dma-mapping.h:11,
                    from include/drm/drmP.h:37,
                    from include/kcl/kcl_drm.h:6,
                    from drivers/gpu//drm/ttm/backport/backport.h:6,
                    from <command-line>:0:
   include/linux/mm.h:610:21: note: previous definition of 'kvzalloc' was here
    static inline void *kvzalloc(size_t size, gfp_t flags)
                        ^~~~~~~~
   In file included from drivers/gpu//drm/ttm/backport/backport.h:12:0,
                    from <command-line>:0:
   include/kcl/kcl_mm.h:74:20: error: static declaration of 'kvfree' follows non-static declaration
    static inline void kvfree(const void *addr)
                       ^~~~~~
   In file included from include/linux/scatterlist.h:8:0,
                    from include/linux/dma-mapping.h:11,
                    from include/drm/drmP.h:37,
                    from include/kcl/kcl_drm.h:6,
                    from drivers/gpu//drm/ttm/backport/backport.h:6,
                    from <command-line>:0:
   include/linux/mm.h:630:13: note: previous declaration of 'kvfree' was here
    extern void kvfree(const void *addr);
                ^~~~~~
   In file included from drivers/gpu//drm/ttm/backport/backport.h:12:0,
                    from <command-line>:0:
   include/kcl/kcl_mm.h:94:21: error: redefinition of 'kvmalloc_array'
    static inline void *kvmalloc_array(size_t n, size_t size, gfp_t flags)
                        ^~~~~~~~~~~~~~
   In file included from include/linux/scatterlist.h:8:0,
                    from include/linux/dma-mapping.h:11,
                    from include/drm/drmP.h:37,
                    from include/kcl/kcl_drm.h:6,
                    from drivers/gpu//drm/ttm/backport/backport.h:6,
                    from <command-line>:0:
   include/linux/mm.h:615:21: note: previous definition of 'kvmalloc_array' was here
    static inline void *kvmalloc_array(size_t n, size_t size, gfp_t flags)
                        ^~~~~~~~~~~~~~
   In file included from drivers/gpu//drm/ttm/backport/backport.h:12:0,
                    from <command-line>:0:
   include/kcl/kcl_mm.h:107:21: error: redefinition of 'kvcalloc'
    static inline void *kvcalloc(size_t n, size_t size, gfp_t flags)
                        ^~~~~~~~
   In file included from include/linux/scatterlist.h:8:0,
                    from include/linux/dma-mapping.h:11,
                    from include/drm/drmP.h:37,
                    from include/kcl/kcl_drm.h:6,
                    from drivers/gpu//drm/ttm/backport/backport.h:6,
                    from <command-line>:0:
   include/linux/mm.h:625:21: note: previous definition of 'kvcalloc' was here
    static inline void *kvcalloc(size_t n, size_t size, gfp_t flags)
                        ^~~~~~~~
   In file included from drivers/gpu//drm/ttm/backport/backport.h:12:0,
                    from <command-line>:0:
   include/kcl/kcl_mm.h:114:20: error: redefinition of 'mmgrab'
    static inline void mmgrab(struct mm_struct *mm)
                       ^~~~~~
   In file included from include/kcl/kcl_mm.h:6:0,
                    from drivers/gpu//drm/ttm/backport/backport.h:12,
                    from <command-line>:0:
   include/linux/sched/mm.h:34:20: note: previous definition of 'mmgrab' was here
    static inline void mmgrab(struct mm_struct *mm)
                       ^~~~~~
   In file included from drivers/gpu//drm/ttm/backport/backport.h:13:0,
                    from <command-line>:0:
   include/kcl/kcl_list.h:6:20: error: redefinition of 'list_bulk_move_tail'
    static inline void list_bulk_move_tail(struct list_head *head,
                       ^~~~~~~~~~~~~~~~~~~
   In file included from include/linux/wait.h:7:0,
                    from include/linux/dma-fence.h:25,
                    from include/kcl/kcl_fence.h:9,
                    from drivers/gpu//drm/ttm/backport/backport.h:5,
                    from <command-line>:0:
   include/linux/list.h:195:20: note: previous definition of 'list_bulk_move_tail' was here
    static inline void list_bulk_move_tail(struct list_head *head,
                       ^~~~~~~~~~~~~~~~~~~
   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/drm/drmP.h:40:0,
                    from include/kcl/kcl_drm.h:6,
                    from drivers/gpu//drm/ttm/backport/backport.h:6,
                    from <command-line>:0:
   include/linux/highmem.h:91:21: note: declared here
    static inline void *kmap_atomic(struct page *page)
                        ^~~~~~~~~~~
>> drivers/gpu//drm/ttm/ttm_bo_util.c:305:43: error: macro "kmap_atomic_prot" passed 3 arguments, but takes just 2
      return __ttm_kmap_atomic_prot(page, prot);
                                              ^
>> drivers/gpu//drm/ttm/ttm_bo_util.c:274:48: error: 'kmap_atomic_prot' undeclared (first use in this function); did you mean 'ttm_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);
             ^~~~~~~~~~~~~~~~~~~~~~
   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 +/kmap_atomic_prot +305 drivers/gpu//drm/ttm/ttm_bo_util.c

b479b92eb4e442 Yifan Zhang      2019-08-20  271  
b479b92eb4e442 Yifan Zhang      2019-08-20  272  #ifdef CONFIG_X86
b479b92eb4e442 Yifan Zhang      2019-08-20  273  #if !defined(HAVE_KMAP_ATOMIC_ONE_ARG)
b479b92eb4e442 Yifan Zhang      2019-08-20 @274  #define __ttm_kmap_atomic_prot(__page, __prot)	kmap_atomic_prot(__page, KM_USER0, __prot)
b479b92eb4e442 Yifan Zhang      2019-08-20  275  #define __ttm_kunmap_atomic(__addr) 		kunmap_atomic(__addr, KM_USER0)
b479b92eb4e442 Yifan Zhang      2019-08-20  276  #else
403c1826a45644 Thomas Hellstrom 2018-01-16  277  #define __ttm_kunmap_atomic(__addr) kunmap_atomic(__addr)
b479b92eb4e442 Yifan Zhang      2019-08-20  278  #define __ttm_kmap_atomic_prot(__page, __prot) kmap_atomic_prot(__page, __prot)
8c8a8e4c4df8cb 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))
8c8a8e4c4df8cb 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  

:::::: The code at line 305 was first introduced by commit
:::::: 403c1826a456441ee983acefbd03ce7d73d1ff00 drm/ttm: Clean up kmap_atomic_prot selection code

:::::: TO: Thomas Hellstrom <thellstrom at vmware.com>
:::::: CC: Thomas Hellstrom <thellstrom at vmware.com>

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