heads/patches/linux-5.10.5/0003-fake-trampoline.patch

diff --recursive -u ./clean/linux-4.9.80/arch/x86/realmode/init.c linux-4.9.80/arch/x86/realmode/init.c
--- ./clean/linux-4.9.80/arch/x86/realmode/init.c	2018-02-03 11:05:43.000000000 -0500
+++ linux-4.9.80/arch/x86/realmode/init.c	2018-02-07 15:51:28.538500435 -0500
@@ -35,8 +35,8 @@
 	/* Has to be under 1M so we can execute real-mode AP code. */
 	mem = memblock_find_in_range(0, 1<<20, size, PAGE_SIZE);
 	if (!mem) {
-		pr_info("No sub-1M memory is available for the trampoline\n");
-		return;
+		mem = 0x4000;
+		pr_info("No sub-1M memory is available for the trampoline, guessing %p\n", mem);
 	}
 
 	memblock_reserve(mem, size);
@@ -138,7 +138,12 @@
 static int __init init_real_mode(void)
 {
 	if (!real_mode_header)
-		panic("Real mode trampoline was not allocated");
+	{
+		// ignore for now
+		//panic("Real mode trampoline was not allocated");
+		pr_warn("Real mode trampoline was not allocated");
+		return 0;
+	}
 
 	setup_real_mode();
 	set_real_mode_permissions();