docs: remove documentation about cgroupsv1 settings

it's legacy. We'll continue to support it in code, but let's simplify
the docs a bit, and not mention this legacy stuff anymore.

1 files changed, 5 insertions, 16 deletions

diff --git a/man/systemd.unit.xml b/man/systemd.unit.xml
index ea95ba8869..c7def6bdcb 100644
--- a/man/systemd.unit.xml
+++ b/man/systemd.unit.xml
@@ -1575,25 +1575,14 @@
           <term><varname>ConditionControlGroupController=</varname></term>
 
           <listitem><para>Check whether given cgroup controllers (e.g. <literal>cpu</literal>) are available
-          for use on the system or whether the legacy v1 cgroup or the modern v2 cgroup hierarchy is used.
-          </para>
+          for use on the system.</para>
 
           <para>Multiple controllers may be passed with a space separating them; in this case the condition
           will only pass if all listed controllers are available for use. Controllers unknown to systemd are
-          ignored. Valid controllers are <literal>cpu</literal>, <literal>cpuacct</literal>,
-          <literal>io</literal>, <literal>blkio</literal>, <literal>memory</literal>,
-          <literal>devices</literal>, and <literal>pids</literal>. Even if available in the kernel, a
-          particular controller may not be available if it was disabled on the kernel command line with
-          <varname>cgroup_disable=controller</varname>.</para>
-
-          <para>Alternatively, two special strings <literal>v1</literal> and <literal>v2</literal> may be
-          specified (without any controller names). <literal>v2</literal> will pass if the unified v2 cgroup
-          hierarchy is used, and <literal>v1</literal> will pass if the legacy v1 hierarchy or the hybrid
-          hierarchy are used (see the discussion of <varname>systemd.unified_cgroup_hierarchy</varname> and
-          <varname>systemd.legacy_systemd_cgroup_controller</varname> in
-          <citerefentry><refentrytitle>systemd.service</refentrytitle><manvolnum>5</manvolnum></citerefentry>
-          for more information).</para>
-          </listitem>
+          ignored. Valid controllers are <literal>cpu</literal>, <literal>cpuset</literal>,
+          <literal>io</literal>, <literal>memory</literal>, and <literal>pids</literal>. Even if available in
+          the kernel, a particular controller may not be available if it was disabled on the kernel command
+          line with <varname>cgroup_disable=controller</varname>.</para></listitem>
         </varlistentry>
 
         <varlistentry>