tree: git://git.infradead.org/users/hch/misc.git decruft-i915-gvt head: 60f0d5ae52ba484e235ab1174a9c66319d4d2ec8 commit: ff84101f9973d6256320a5e20f2c9c8c69120c83 [5/23] drm/i915/gvt: move the entire gvt code into kvmgt.ko config: x86_64-rhel-8.3-kselftests (attached as .config) compiler: gcc-9 (Debian 9.3.0-22) 9.3.0 reproduce (this is a W=1 build): git remote add hch-misc git://git.infradead.org/users/hch/misc.git git fetch --no-tags hch-misc decruft-i915-gvt git checkout ff84101f9973d6256320a5e20f2c9c8c69120c83 # save the attached .config to linux build tree make W=1 ARCH=x86_64 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All warnings (new ones prefixed by >>): drivers/gpu/drm/i915/intel_gvt.c: In function 'intel_gvt_init': 119 | dev_priv->vgpu.ops = symbol_get(intel_gvt_vgpu_ops); | ^ vim +/const +119 drivers/gpu/drm/i915/intel_gvt.c 88 89 /** 90 * intel_gvt_init - initialize GVT components 91 * @dev_priv: drm i915 private data 92 * 93 * This function is called at the initialization stage to create a GVT device. 94 * 95 * Returns: 96 * Zero on success, negative error code if failed. 97 * 98 */ 99 int intel_gvt_init(struct drm_i915_private *dev_priv) 100 { 101 int ret; 102 103 if (i915_inject_probe_failure(dev_priv)) 104 return -ENODEV; 105 106 if (!dev_priv->params.enable_gvt) { 107 drm_dbg(&dev_priv->drm, 108 "GVT-g is disabled by kernel params\n"); 109 return 0; 110 } 111 112 if (intel_uc_wants_guc_submission(&dev_priv->gt.uc)) { 113 drm_err(&dev_priv->drm, 114 "i915 GVT-g loading failed due to Graphics virtualization is not yet supported with GuC submission\n"); 115 return -EIO; 116 } 117 118 request_module("kvmgt"); 120 if (!dev_priv->vgpu.ops) { 121 drm_dbg(&dev_priv->drm, "Fail to find GVT ops\n"); 122 goto bail; 123 } 124 125 ret = dev_priv->vgpu.ops->init_device(dev_priv); 126 if (ret) { 127 drm_dbg(&dev_priv->drm, "Fail to init GVT device\n"); 128 goto bail_put_ops; 129 } 130 131 return 0; 132 133 bail_put_ops: 134 symbol_put(gvt_ops); 135 bail: 136 dev_priv->params.enable_gvt = 0; 137 return 0; 138 } 139 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org