Hi Alan, Thank you for the patch! Yet something to improve: [auto build test ERROR on drm-tip/drm-tip] [cannot apply to drm-intel/for-linux-next drm-exynos/exynos-drm-next drm/drm-next tegra-drm/drm/tegra/for-next airlied/drm-next v5.17-rc5 next-20220225] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch] url: https://github.com/0day-ci/linux/commits/Alan-Previn/Add-GuC-Error-Capture-Support/20220226-175600 base: git://anongit.freedesktop.org/drm/drm-tip drm-tip config: i386-allyesconfig (https://download.01.org/0day-ci/archive/20220228/202202280456.Z5q4zizH-lkp@xxxxxxxxx/config) compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project d271fc04d5b97b12e6b797c6067d3c96a8d7470e) reproduce (this is a W=1 build): wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # https://github.com/0day-ci/linux/commit/9ea292ae1b189632494171f6dae9cbf7e4e5f30c git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Alan-Previn/Add-GuC-Error-Capture-Support/20220226-175600 git checkout 9ea292ae1b189632494171f6dae9cbf7e4e5f30c # save the config file to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=i386 SHELL=/bin/bash If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> All errors (new ones prefixed by >>): >> drivers/gpu/drm/i915/gt/uc/intel_guc_capture.c:223:1: error: no previous prototype for function 'intel_guc_capture_getlistsize' [-Werror,-Wmissing-prototypes] intel_guc_capture_getlistsize(struct intel_guc *guc, u32 owner, u32 type, u32 classid, ^ drivers/gpu/drm/i915/gt/uc/intel_guc_capture.c:222:1: note: declare 'static' if the function is not intended to be used outside of this translation unit int ^ static >> drivers/gpu/drm/i915/gt/uc/intel_guc_capture.c:253:1: error: no previous prototype for function 'intel_guc_capture_getlist' [-Werror,-Wmissing-prototypes] intel_guc_capture_getlist(struct intel_guc *guc, u32 owner, u32 type, u32 classid, ^ drivers/gpu/drm/i915/gt/uc/intel_guc_capture.c:252:1: note: declare 'static' if the function is not intended to be used outside of this translation unit int ^ static drivers/gpu/drm/i915/gt/uc/intel_guc_capture.c:332:6: error: no previous prototype for function 'intel_guc_capture_destroy' [-Werror,-Wmissing-prototypes] void intel_guc_capture_destroy(struct intel_guc *guc) ^ drivers/gpu/drm/i915/gt/uc/intel_guc_capture.c:332:1: note: declare 'static' if the function is not intended to be used outside of this translation unit void intel_guc_capture_destroy(struct intel_guc *guc) ^ static drivers/gpu/drm/i915/gt/uc/intel_guc_capture.c:343:5: error: no previous prototype for function 'intel_guc_capture_init' [-Werror,-Wmissing-prototypes] int intel_guc_capture_init(struct intel_guc *guc) ^ drivers/gpu/drm/i915/gt/uc/intel_guc_capture.c:343:1: note: declare 'static' if the function is not intended to be used outside of this translation unit int intel_guc_capture_init(struct intel_guc *guc) ^ static 4 errors generated. vim +/intel_guc_capture_getlistsize +223 drivers/gpu/drm/i915/gt/uc/intel_guc_capture.c 221 222 int > 223 intel_guc_capture_getlistsize(struct intel_guc *guc, u32 owner, u32 type, u32 classid, 224 size_t *size) 225 { 226 struct drm_i915_private *i915 = guc_to_gt(guc)->i915; 227 struct __guc_state_capture_priv *gc = guc->capture.priv; 228 struct __guc_capture_ads_cache *cache = &gc->ads_cache[owner][type][classid]; 229 int num_regs; 230 231 if (!gc->reglists) 232 return -ENODEV; 233 234 if (cache->is_valid) { 235 *size = cache->size; 236 return cache->status; 237 } 238 239 num_regs = guc_cap_list_num_regs(gc, owner, type, classid); 240 if (!num_regs) { 241 guc_capture_warn_with_list_info(i915, "Missing register list size", 242 owner, type, classid); 243 return -ENODATA; 244 } 245 246 *size = PAGE_ALIGN((sizeof(struct guc_debug_capture_list)) + 247 (num_regs * sizeof(struct guc_mmio_reg))); 248 249 return 0; 250 } 251 252 int > 253 intel_guc_capture_getlist(struct intel_guc *guc, u32 owner, u32 type, u32 classid, 254 struct file **fileoutptr) 255 { 256 struct __guc_state_capture_priv *gc = guc->capture.priv; 257 struct __guc_capture_ads_cache *cache = &gc->ads_cache[owner][type][classid]; 258 struct drm_i915_private *i915 = guc_to_gt(guc)->i915; 259 struct guc_debug_capture_list *listnode; 260 struct file *file; 261 u8 *caplist, *tmp; 262 size_t size = 0; 263 int ret, num_regs; 264 265 if (!gc->reglists) 266 return -ENODEV; 267 268 if (cache->is_valid) { 269 *fileoutptr = cache->file; 270 return cache->status; 271 } 272 273 ret = intel_guc_capture_getlistsize(guc, owner, type, classid, &size); 274 if (ret) { 275 cache->is_valid = true; 276 cache->file = NULL; 277 cache->size = 0; 278 cache->status = ret; 279 return ret; 280 } 281 282 caplist = kzalloc(size, GFP_KERNEL); 283 if (!caplist) 284 return -ENOMEM; 285 286 /* populate capture list header */ 287 tmp = caplist; 288 num_regs = guc_cap_list_num_regs(guc->capture.priv, owner, type, classid); 289 listnode = (struct guc_debug_capture_list *)tmp; 290 listnode->header.info = FIELD_PREP(GUC_CAPTURELISTHDR_NUMDESCR, (u32)num_regs); 291 292 /* populate list of register descriptor */ 293 tmp += sizeof(struct guc_debug_capture_list); 294 guc_capture_list_init(guc, owner, type, classid, (struct guc_mmio_reg *)tmp, num_regs); 295 296 /* ADS only takes file handles, so we keep that as our cache */ 297 file = shmem_create_from_data("guc-err-cap", caplist, size); 298 kfree(caplist); 299 if (IS_ERR(file)) { 300 drm_warn(&i915->drm, "GuC-capture: cant create shmem for caplist = 0x%016lx", PTR_ERR(file)); 301 return PTR_ERR(file); 302 } 303 304 /* cache this list */ 305 cache->file = file; 306 cache->size = size; 307 cache->status = 0; 308 cache->is_valid = true; 309 310 *fileoutptr = file; 311 312 return 0; 313 } 314 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
