Re: [PATCH v3] drm/i915/debugfs: Show context objects in i915_gem_objects

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Hi,

[auto build test ERROR on next-20160523]
[cannot apply to drm-intel/for-linux-next v4.6-rc7 v4.6-rc6 v4.6-rc5 v4.6]
[if your patch is applied to the wrong git tree, please drop us a note to help improve the system]

url:    https://github.com/0day-ci/linux/commits/Chris-Wilson/drm-i915-debugfs-Show-context-objects-in-i915_gem_objects/20160523-210704
config: x86_64-rhel (attached as .config)
compiler: gcc-4.9 (Debian 4.9.3-14) 4.9.3
reproduce:
        # save the attached .config to linux build tree
        make ARCH=x86_64 

Note: the linux-review/Chris-Wilson/drm-i915-debugfs-Show-context-objects-in-i915_gem_objects/20160523-210704 HEAD 3dfdb2b9e47b5ee4dfd9a21f80014bd9de87c4cb builds fine.
      It only hurts bisectibility.

All errors (new ones prefixed by >>):

   In file included from include/asm-generic/bug.h:13:0,
                    from arch/x86/include/asm/bug.h:35,
                    from include/linux/bug.h:4,
                    from include/linux/seq_file.h:6,
                    from drivers/gpu/drm/i915/i915_debugfs.c:29:
   drivers/gpu/drm/i915/i915_debugfs.c: In function 'per_file_ctx_stats':
>> drivers/gpu/drm/i915/i915_debugfs.c:432:32: error: dereferencing pointer to incomplete type
     for (n = 0; n < ARRAY_SIZE(ctx->engine); n++) {
                                   ^
   include/linux/kernel.h:54:33: note: in definition of macro 'ARRAY_SIZE'
    #define ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0]) + __must_be_array(arr))
                                    ^
>> drivers/gpu/drm/i915/i915_debugfs.c:432:32: error: dereferencing pointer to incomplete type
     for (n = 0; n < ARRAY_SIZE(ctx->engine); n++) {
                                   ^
   include/linux/kernel.h:54:48: note: in definition of macro 'ARRAY_SIZE'
    #define ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0]) + __must_be_array(arr))
                                                   ^
   In file included from include/linux/seq_file.h:6:0,
                    from drivers/gpu/drm/i915/i915_debugfs.c:29:
>> drivers/gpu/drm/i915/i915_debugfs.c:432:32: error: dereferencing pointer to incomplete type
     for (n = 0; n < ARRAY_SIZE(ctx->engine); n++) {
                                   ^
   include/linux/bug.h:34:55: note: in definition of macro 'BUILD_BUG_ON_ZERO'
    #define BUILD_BUG_ON_ZERO(e) (sizeof(struct { int:-!!(e); }))
                                                          ^
   include/linux/compiler-gcc.h:64:46: note: in expansion of macro '__same_type'
    #define __must_be_array(a) BUILD_BUG_ON_ZERO(__same_type((a), &(a)[0]))
                                                 ^
   include/linux/kernel.h:54:59: note: in expansion of macro '__must_be_array'
    #define ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0]) + __must_be_array(arr))
                                                              ^
   drivers/gpu/drm/i915/i915_debugfs.c:432:18: note: in expansion of macro 'ARRAY_SIZE'
     for (n = 0; n < ARRAY_SIZE(ctx->engine); n++) {
                     ^
>> drivers/gpu/drm/i915/i915_debugfs.c:432:32: error: dereferencing pointer to incomplete type
     for (n = 0; n < ARRAY_SIZE(ctx->engine); n++) {
                                   ^
   include/linux/bug.h:34:55: note: in definition of macro 'BUILD_BUG_ON_ZERO'
    #define BUILD_BUG_ON_ZERO(e) (sizeof(struct { int:-!!(e); }))
                                                          ^
   include/linux/compiler-gcc.h:64:46: note: in expansion of macro '__same_type'
    #define __must_be_array(a) BUILD_BUG_ON_ZERO(__same_type((a), &(a)[0]))
                                                 ^
   include/linux/kernel.h:54:59: note: in expansion of macro '__must_be_array'
    #define ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0]) + __must_be_array(arr))
                                                              ^
   drivers/gpu/drm/i915/i915_debugfs.c:432:18: note: in expansion of macro 'ARRAY_SIZE'
     for (n = 0; n < ARRAY_SIZE(ctx->engine); n++) {
                     ^
   include/linux/bug.h:34:45: error: bit-field '<anonymous>' width not an integer constant
    #define BUILD_BUG_ON_ZERO(e) (sizeof(struct { int:-!!(e); }))
                                                ^
   include/linux/compiler-gcc.h:64:28: note: in expansion of macro 'BUILD_BUG_ON_ZERO'
    #define __must_be_array(a) BUILD_BUG_ON_ZERO(__same_type((a), &(a)[0]))
                               ^
   include/linux/kernel.h:54:59: note: in expansion of macro '__must_be_array'
    #define ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0]) + __must_be_array(arr))
                                                              ^
   drivers/gpu/drm/i915/i915_debugfs.c:432:18: note: in expansion of macro 'ARRAY_SIZE'
     for (n = 0; n < ARRAY_SIZE(ctx->engine); n++) {
                     ^
   drivers/gpu/drm/i915/i915_debugfs.c:433:10: error: dereferencing pointer to incomplete type
      if (ctx->engine[n].state)
             ^
   drivers/gpu/drm/i915/i915_debugfs.c:434:25: error: dereferencing pointer to incomplete type
       per_file_stats(0, ctx->engine[n].state, data);
                            ^
   drivers/gpu/drm/i915/i915_debugfs.c:435:10: error: dereferencing pointer to incomplete type
      if (ctx->engine[n].ringbuf)
             ^
   drivers/gpu/drm/i915/i915_debugfs.c:436:25: error: dereferencing pointer to incomplete type
       per_file_stats(0, ctx->engine[n].ringbuf->obj, data);
                            ^

vim +432 drivers/gpu/drm/i915/i915_debugfs.c

   426	
   427	static int per_file_ctx_stats(int id, void *ptr, void *data)
   428	{
   429		struct i915_gem_context *ctx = ptr;
   430		int n;
   431	
 > 432		for (n = 0; n < ARRAY_SIZE(ctx->engine); n++) {
   433			if (ctx->engine[n].state)
   434				per_file_stats(0, ctx->engine[n].state, data);
   435			if (ctx->engine[n].ringbuf)

---
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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