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-rw-r--r--docs/about/deprecated.rst8
-rw-r--r--hw/i386/pc_piix.c1
2 files changed, 9 insertions, 0 deletions
diff --git a/docs/about/deprecated.rst b/docs/about/deprecated.rst
index 2febd2d12f..4e0eb2fe02 100644
--- a/docs/about/deprecated.rst
+++ b/docs/about/deprecated.rst
@@ -247,6 +247,14 @@ deprecated; use the new name ``dtb-randomness`` instead. The new name
 better reflects the way this property affects all random data within
 the device tree blob, not just the ``kaslr-seed`` node.
 
+``pc-i440fx-2.0`` up to ``pc-i440fx-2.3`` (since 8.2)
+'''''''''''''''''''''''''''''''''''''''''''''''''''''
+
+These old machine types are quite neglected nowadays and thus might have
+various pitfalls with regards to live migration. Use a newer machine type
+instead.
+
+
 Backend options
 ---------------
 
diff --git a/hw/i386/pc_piix.c b/hw/i386/pc_piix.c
index 334d9a0299..26e161beb9 100644
--- a/hw/i386/pc_piix.c
+++ b/hw/i386/pc_piix.c
@@ -849,6 +849,7 @@ static void pc_i440fx_2_3_machine_options(MachineClass *m)
 {
     pc_i440fx_2_4_machine_options(m);
     m->hw_version = "2.3.0";
+    m->deprecation_reason = "old and unattended - use a newer version instead";
     compat_props_add(m->compat_props, hw_compat_2_3, hw_compat_2_3_len);
     compat_props_add(m->compat_props, pc_compat_2_3, pc_compat_2_3_len);
 }