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

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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 ea985d235b 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>
This commit is contained in:
Thomas Huth 2023-10-06 09:52:47 +02:00
parent 89c9040564
commit c7437f0ddb
2 changed files with 9 additions and 0 deletions
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8
docs/about/deprecated.rst
View file

@ -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
---------------

1
hw/i386/pc_piix.c
View file

@ -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);
}