Since more then 5 years the '-cpu any' is aliased to '-cpu max'
(see commit a0032cc5427 "target/arm: Make 'any' CPU just an alias
for 'max'"). Time to deprecate the alias so we can eventually
remove the alias code. Emit a warnig meanwhile.

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
---
 docs/about/deprecated.rst | 8 ++++++++
 target/arm/cpu.c          | 1 +
 2 files changed, 9 insertions(+)

diff --git a/docs/about/deprecated.rst b/docs/about/deprecated.rst
index 1d5c4f3707c..c544f23cab5 100644
--- a/docs/about/deprecated.rst
+++ b/docs/about/deprecated.rst
@@ -181,6 +181,14 @@ is going to be so much slower it wouldn't make sense for any serious
 instrumentation. Due to implementation differences there will also be
 anomalies in things like memory instrumentation.
 
+User emulation CPUs
+-------------------
+
+Arm 'any' CPU (since 11.0)
+''''''''''''''''''''''''''
+
+The Arm 'any' CPU is an alias for the 'max' CPU. Use the latter instead.
+
 System emulator CPUs
 --------------------
 
diff --git a/target/arm/cpu.c b/target/arm/cpu.c
index 6e1cbf3d614..2cf3273e8ab 100644
--- a/target/arm/cpu.c
+++ b/target/arm/cpu.c
@@ -2218,6 +2218,7 @@ static ObjectClass *arm_cpu_class_by_name(const char *cpu_model)
      * which has the same semantics as "-cpu max".
      */
     if (!strcmp(cpunamestr, "any")) {
+        warn_report("CPU type 'any' is deprecated, use 'max' instead.");
         cpunamestr = "max";
     }
 #endif
-- 
2.52.0