[PATCH v2] spapr: Tag pseries-2.1 - 2.11 machines as deprecated

[Cédric Le Goater]

pseries machines before version 2.11 have undergone many changes to
correct issues, mostly regarding migration compatibility. This is
obfuscating the code uselessly and makes maintenance more difficult.
Remove them and only keep the last version of the 2.x series, 2.12,
still in use by old distros.

Reviewed-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Cédric Le Goater <clg@kaod.org>
---
 docs/about/deprecated.rst | 7 +++++++
 hw/ppc/spapr.c            | 1 +
 2 files changed, 8 insertions(+)

diff --git a/docs/about/deprecated.rst b/docs/about/deprecated.rst
index 2e1504024658..c0e22b2b568f 100644
--- a/docs/about/deprecated.rst
+++ b/docs/about/deprecated.rst
@@ -269,6 +269,13 @@ Nios II ``10m50-ghrd`` and ``nios2-generic-nommu`` 
machines (since 8.2)
 
 The Nios II architecture is orphan.
 
+``pseries-2.1`` up to ``pseries-2.11`` (since 9.0)
+''''''''''''''''''''''''''''''''''''''''''''''''''
+
+Older pseries machines before version 2.12 have undergone many changes
+to correct issues, mostly regarding migration compatibility. These are
+no longer maintained and removing them will make the code easier to
+read and maintain. Use versions 2.12 and above as a replacement.
 
 Backend options
 ---------------
diff --git a/hw/ppc/spapr.c b/hw/ppc/spapr.c
index df09aa9d6a00..5034461399d2 100644
--- a/hw/ppc/spapr.c
+++ b/hw/ppc/spapr.c
@@ -5083,6 +5083,7 @@ static void spapr_machine_2_11_class_options(MachineClass 
*mc)
     spapr_machine_2_12_class_options(mc);
     smc->default_caps.caps[SPAPR_CAP_HTM] = SPAPR_CAP_ON;
     compat_props_add(mc->compat_props, hw_compat_2_11, hw_compat_2_11_len);
+    mc->deprecation_reason = "old and not maintained - use a 2.12+ version";
 }
 
 DEFINE_SPAPR_MACHINE(2_11, "2.11", false);
-- 
2.43.0