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-rw-r--r--qapi-schema.json9
1 files changed, 9 insertions, 0 deletions
diff --git a/qapi-schema.json b/qapi-schema.json
index 150ee98e9e..2051c46cfc 100644
--- a/qapi-schema.json
+++ b/qapi-schema.json
@@ -4274,6 +4274,15 @@
# migration-safe, but allows tooling to get an insight and work with
# model details.
#
+# Note: When a non-migration-safe CPU model is expanded in static mode, some
+# features enabled by the CPU model may be omitted, because they can't be
+# implemented by a static CPU model definition (e.g. cache info passthrough and
+# PMU passthrough in x86). If you need an accurate representation of the
+# features enabled by a non-migration-safe CPU model, use @full. If you need a
+# static representation that will keep ABI compatibility even when changing QEMU
+# version or machine-type, use @static (but keep in mind that some features may
+# be omitted).
+#
# Since: 2.8.0
##
{ 'enum': 'CpuModelExpansionType',