Commit 7c28135c authored Feb 21, 2017 by Zhao, Xinda Committed by Zhenyu Wang Feb 23, 2017

drm/i915/gvt: remove unnecessary error msg from gtt write



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>

parent d8a355be

drivers/gpu/drm/i915/gvt/gtt.c

+1 −4

Original line number	Diff line number	Diff line
		@@ -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);