tree: git://people.freedesktop.org/~agd5f/linux.git drm-next-4.15 head: 96687ec0bb478088cb6941a7dca3bb6808a19313 commit: 2dc8f81e4f822cfe8f6475da968ab2dd5881b8d8 [33/73] drm/amdgpu: SR-IOV data exchange between PF&VF config: x86_64-randconfig-ws0-10220652 (attached as .config) compiler: gcc-4.8 (Debian 4.8.4-1) 4.8.4 reproduce: git checkout 2dc8f81e4f822cfe8f6475da968ab2dd5881b8d8 # save the attached .config to linux build tree make ARCH=x86_64

All errors (new ones prefixed by >>):

In file included from arch/x86/include/asm/atomic.h:4:0, from include/linux/atomic.h:4, from drivers/gpu//drm/amd/amdgpu/amdgpu.h:31, from drivers/gpu//drm/amd/amdgpu/amdgpu_virt.c:24: drivers/gpu//drm/amd/amdgpu/amdgpu_virt.c: In function 'amdgpu_virt_init_data_exchange':

...

drivers/gpu//drm/amd/amdgpu/amdgpu_virt.c:335:20: error: dereferencing pointer to incomplete type

if (THIS_MODULE->version != NULL) ^ include/linux/compiler.h:156:30: note: in definition of macro '__trace_if' if (__builtin_constant_p(!!(cond)) ? !!(cond) : \ ^ drivers/gpu//drm/amd/amdgpu/amdgpu_virt.c:335:5: note: in expansion of macro 'if' if (THIS_MODULE->version != NULL) ^

...

drivers/gpu//drm/amd/amdgpu/amdgpu_virt.c:335:20: error: dereferencing pointer to incomplete type

if (THIS_MODULE->version != NULL) ^ include/linux/compiler.h:156:42: note: in definition of macro '__trace_if' if (__builtin_constant_p(!!(cond)) ? !!(cond) : \ ^ drivers/gpu//drm/amd/amdgpu/amdgpu_virt.c:335:5: note: in expansion of macro 'if' if (THIS_MODULE->version != NULL) ^

...

drivers/gpu//drm/amd/amdgpu/amdgpu_virt.c:335:20: error: dereferencing pointer to incomplete type

if (THIS_MODULE->version != NULL) ^ include/linux/compiler.h:167:16: note: in definition of macro '__trace_if' ______r = !!(cond); \ ^ drivers/gpu//drm/amd/amdgpu/amdgpu_virt.c:335:5: note: in expansion of macro 'if' if (THIS_MODULE->version != NULL) ^ drivers/gpu//drm/amd/amdgpu/amdgpu_virt.c:336:29: error: dereferencing pointer to incomplete type strcpy(str, THIS_MODULE->version); ^

vim +335 drivers/gpu//drm/amd/amdgpu/amdgpu_virt.c

298 299 void amdgpu_virt_init_data_exchange(struct amdgpu_device *adev) 300 { 301 uint32_t pf2vf_ver = 0; 302 uint32_t pf2vf_size = 0; 303 uint32_t checksum = 0; 304 uint32_t checkval; 305 char *str; 306 307 adev->virt.fw_reserve.p_pf2vf = NULL; 308 adev->virt.fw_reserve.p_vf2pf = NULL; 309 310 if (adev->fw_vram_usage.va != NULL) { 311 adev->virt.fw_reserve.p_pf2vf = 312 (struct amdgim_pf2vf_info_header *)( 313 adev->fw_vram_usage.va + AMDGIM_DATAEXCHANGE_OFFSET); 314 pf2vf_ver = adev->virt.fw_reserve.p_pf2vf->version; 315 AMDGPU_FW_VRAM_PF2VF_READ(adev, header.size, &pf2vf_size); 316 AMDGPU_FW_VRAM_PF2VF_READ(adev, checksum, &checksum); 317 318 /* pf2vf message must be in 4K */ 319 if (pf2vf_size > 0 && pf2vf_size < 4096) { 320 checkval = amdgpu_virt_fw_reserve_get_checksum( 321 adev->virt.fw_reserve.p_pf2vf, pf2vf_size, 322 adev->virt.fw_reserve.checksum_key, checksum); 323 if (checkval == checksum) { 324 adev->virt.fw_reserve.p_vf2pf = 325 ((void *)adev->virt.fw_reserve.p_pf2vf + 326 pf2vf_size); 327 memset((void *)adev->virt.fw_reserve.p_vf2pf, 0, 328 sizeof(amdgim_vf2pf_info)); 329 AMDGPU_FW_VRAM_VF2PF_WRITE(adev, header.version, 330 AMDGPU_FW_VRAM_VF2PF_VER); 331 AMDGPU_FW_VRAM_VF2PF_WRITE(adev, header.size, 332 sizeof(amdgim_vf2pf_info)); 333 AMDGPU_FW_VRAM_VF2PF_READ(adev, driver_version, 334 &str);

335 if (THIS_MODULE->version != NULL)

336 strcpy(str, THIS_MODULE->version); 337 else 338 strcpy(str, "N/A"); 339 AMDGPU_FW_VRAM_VF2PF_WRITE(adev, driver_cert, 340 0); 341 AMDGPU_FW_VRAM_VF2PF_WRITE(adev, checksum, 342 amdgpu_virt_fw_reserve_get_checksum( 343 adev->virt.fw_reserve.p_vf2pf, 344 pf2vf_size, 345 adev->virt.fw_reserve.checksum_key, 0)); 346 } 347 } 348 } 349 } 350

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