docs/about: Remove the duplicated doc

There are two places describing the same thing about deprecation
of invalid topologies of -smp CLI, so remove the duplicated one.

Signed-off-by: Yanan Wang <wangyanan55@huawei.com>
Reviewed-by: Cornelia Huck <cohuck@redhat.com>
Reviewed-by: Andrew Jones <drjones@redhat.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Message-Id: <20210823030005.165668-2-wangyanan55@huawei.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>

diff --git a/docs/about/removed-features.rst b/docs/about/removed-features.rst
index cbfa1a8e31a69200c2bb97ddffb1f2ebb8b3733c..6a9c5bb48434fcb53ab1205462c2d17e5897ef09 100644 (file)
--- a/docs/about/removed-features.rst
+++ b/docs/about/removed-features.rst
@@ -647,19 +647,6 @@ as ignored. Currently, users are responsible for making sure the backing storage
 specified with ``-mem-path`` can actually provide the guest RAM configured with
 ``-m`` and QEMU fails to start up if RAM allocation is unsuccessful.
 
-``-smp`` (invalid topologies) (removed 5.2)
-'''''''''''''''''''''''''''''''''''''''''''
-
-CPU topology properties should describe whole machine topology including
-possible CPUs.
-
-However, historically it was possible to start QEMU with an incorrect topology
-where *n* <= *sockets* * *cores* * *threads* < *maxcpus*,
-which could lead to an incorrect topology enumeration by the guest.
-Support for invalid topologies is removed, the user must ensure
-topologies described with -smp include all possible cpus, i.e.
-*sockets* * *cores* * *threads* = *maxcpus*.
-
 ``-machine enforce-config-section=on|off`` (removed 5.2)
 ''''''''''''''''''''''''''''''''''''''''''''''''''''''''