drm/i915/gvt: remove unnecessary error msg from gtt write
authorZhao, Xinda <xinda.zhao@intel.com>
Tue, 21 Feb 2017 07:54:56 +0000 (15:54 +0800)
committerZhenyu Wang <zhenyuw@linux.intel.com>
Thu, 23 Feb 2017 09:33:20 +0000 (17:33 +0800)
The guest VM may initialize the whole GTT table during boot up,
so the warning msg in emulate_gtt_mmio_write is not necessary, it is
the expected behavior and it may confuse the user if error msg is
printed out, so remove the msg from emulate_gtt_mmio_write(),

Signed-off-by: Zhao, Xinda <xinda.zhao@intel.com>
Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com>
drivers/gpu/drm/i915/gvt/gtt.c

index b5c833287d39f60b0513d855c5e2b5149a5cc9dd..6a5ff23ded907c475adff1151199add49c289994 100644 (file)
@@ -1825,11 +1825,8 @@ static int emulate_gtt_mmio_write(struct intel_vgpu *vgpu, unsigned int off,
        gma = g_gtt_index << GTT_PAGE_SHIFT;
 
        /* the VM may configure the whole GM space when ballooning is used */
-       if (WARN_ONCE(!vgpu_gmadr_is_valid(vgpu, gma),
-                               "vgpu%d: found oob ggtt write, offset %x\n",
-                               vgpu->id, off)) {
+       if (!vgpu_gmadr_is_valid(vgpu, gma))
                return 0;
-       }
 
        ggtt_get_guest_entry(ggtt_mm, &e, g_gtt_index);