Hi Chris, Thank you for the patch! Perhaps something to improve: [auto build test WARNING on drm-intel/for-linux-next] [also build test WARNING on drm-tip/drm-tip linus/master v5.9 next-20201021] [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/Chris-Wilson/drm-i915-gt-Use-the-local-HWSP-offset-during-submission/20201022-060619 base: git://anongit.freedesktop.org/drm-intel for-linux-next config: i386-randconfig-s002-20201021 (attached as .config) compiler: gcc-9 (Debian 9.3.0-15) 9.3.0 reproduce: # apt-get install sparse # sparse version: v0.6.3-dirty # https://github.com/0day-ci/linux/commit/034e13871db55a3eed93d3157408443584dddd1f git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Chris-Wilson/drm-i915-gt-Use-the-local-HWSP-offset-during-submission/20201022-060619 git checkout 034e13871db55a3eed93d3157408443584dddd1f # save the attached .config to linux build tree make W=1 C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' ARCH=i386 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> "sparse warnings: (new ones prefixed by >>)" >> drivers/gpu/drm/i915/gt/intel_lrc.c:3553:26: sparse: sparse: dereference of noderef expression vim +3553 drivers/gpu/drm/i915/gt/intel_lrc.c 3549 3550 static u32 hwsp_offset(struct i915_request *rq) 3551 { 3552 if (rq->hwsp_cacheline) > 3553 return rq->hwsp_cacheline->ggtt_offset; 3554 else 3555 return i915_request_active_timeline(rq)->hwsp_offset; 3556 } 3557 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
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