docs/about: Mark the old pc-i440fx-2.0 - 2.3 machine types as deprecated

As we've seen in the past, it's useful for deprecating old machine
types to finally be able to get of legacy code or do other clean-ups
(see e.g. commit ea985d235b868047 that was used to drop the PCI code in
the 128k bios binaries to free some precious space in those binaries).

So let's continue deprecating the oldest pc machine types. QEMU 2.3
has been released 8 years ago, so that's plenty of time since such
machine types have been used by default, thus deprecating pc-i440fx-2.0
up to pc-i440fx-2.3 should be fine nowadays.

Message-ID: <20231006075247.403364-1-thuth@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Thomas Huth <thuth@redhat.com>

diff --git a/docs/about/deprecated.rst b/docs/about/deprecated.rst
index 2febd2d12f252a12f0a96a1235c1d40542b4784a..4e0eb2fe0211beafc3e2d2825b0a9108fe8839e2 100644 (file)
--- 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 334d9a0299c648a2ddebf9e0879bff5ea425e91f..26e161beb91647dcf03dd9ac8586a884346b8a51 100644 (file)
--- 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);
 }