Hi Robert, [auto build test WARNING on v4.4-rc8] [cannot apply to drm-intel/for-linux-next v4.5-rc2 v4.5-rc1 next-20160202] [if your patch is applied to the wrong git tree, please drop us a note to help improving the system]
url: https://github.com/0day-ci/linux/commits/Robert-Bragg/Enable-Gen-7-Observation-Architecture/20160203-053423 config: i386-defconfig (attached as .config) reproduce: # save the attached .config to linux build tree make ARCH=i386 All warnings (new ones prefixed by >>): drivers/gpu/drm/i915/i915_perf.c: In function 'gen7_oa_read': >> drivers/gpu/drm/i915/i915_perf.c:264:2: warning: #warning "WIP: check the >> correct way to clear OASTATUS1 bits" [-Wcpp] #warning "WIP: check the correct way to clear OASTATUS1 bits" ^ vim +264 drivers/gpu/drm/i915/i915_perf.c 248 DRM_I915_PERF_RECORD_OA_REPORT_LOST); 249 if (n_records && ret == -EFAULT) 250 ret = 0; 251 else if (ret < 0) 252 return ret; 253 else if (ret > 0) { 254 n_records += ret; 255 oastatus1 &= ~GEN7_OASTATUS1_REPORT_LOST; 256 } 257 } 258 259 /* XXX: This register contains the OA tail pointer 260 * which may be updated asynchronously while periodic 261 * sampling is enabled so it's racy to 262 * read-modify-write like we are here (esp after the 263 * append/copy_to_user work above.) */ > 264 #warning "WIP: check the correct way to clear OASTATUS1 bits" 265 I915_WRITE(GEN7_OASTATUS1, oastatus1); 266 } 267 268 /* If there is still buffer space */ 269 if (ret) { 270 ret = gen7_append_oa_reports(stream, read_state, &head, tail); 271 if (n_records && ret == -EFAULT) 272 ret = 0; --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation -------------- next part -------------- A non-text attachment was scrubbed... Name: .config.gz Type: application/octet-stream Size: 23958 bytes Desc: not available URL: <http://lists.freedesktop.org/archives/dri-devel/attachments/20160203/35042a03/attachment-0001.obj>
