D53692.id166261.diff
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D53692.id166261.diff
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	diff --git a/sys/amd64/vmm/amd/amdvi_hw.c b/sys/amd64/vmm/amd/amdvi_hw.c
	--- a/sys/amd64/vmm/amd/amdvi_hw.c
	+++ b/sys/amd64/vmm/amd/amdvi_hw.c
	@@ -274,6 +274,8 @@

	tail = (struct amdvi_cmd )((uint8_t )softc->cmd +
	ctrl->cmd_tail);
	+ if (tail != NULL)
	+ memset(tail, 0, sizeof(*tail));

	return (tail);
	}
	@@ -420,10 +422,6 @@
	static void
	amdvi_inv_domain(struct amdvi_softc *softc, uint16_t domain_id)
	{
	- struct amdvi_cmd *cmd __diagused;
	-
	- cmd = amdvi_get_cmd_tail(softc);
	- KASSERT(cmd != NULL, ("Cmd is NULL"));

	/*
	* See section 3.3.3 of IOMMU spec rev 2.0, software note