D16858.diff
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	Index: head/stand/efi/loader/autoload.c
	===================================================================
	--- head/stand/efi/loader/autoload.c
	+++ head/stand/efi/loader/autoload.c
	@@ -27,11 +27,30 @@
	#include <sys/cdefs.h>
	__FBSDID("$FreeBSD$");

	+#if defined(LOADER_FDT_SUPPORT)
	+#include <sys/param.h>
	+#include <fdt_platform.h>
	+#endif
	+
	#include "loader_efi.h"

	int
	efi_autoload(void)
	{

	+#if defined(LOADER_FDT_SUPPORT)
	+ /*
	+ * Setup the FDT early so that we're not loading files during bi_load.
	+ * Any such loading is inherently broken since bi_load uses the space
	+ * just after all currently loaded files for the data that will be
	+ * passed to the kernel and newly loaded files will be positioned in
	+ * that same space.
	+ *
	+ * We're glossing over errors here because LOADER_FDT_SUPPORT does not
	+ * imply that we're on a platform where FDT is a requirement. If we
	+ * fix this, then the error handling here should be fixed accordingly.
	+ */
	+ fdt_setup_fdtp();
	+#endif
	return (0);
	}