Merge pull request #23883 from yuwata/pid1-do-not-filter-out-systemd-unit

core: do not filter out systemd.unit= from kernel command line

src/core/main.c

@@ -1721,13 +1721,6 @@ static void filter_args(
                         continue;
                 }
 
-                if (startswith(src[i],
-                               in_initrd() ? "rd.systemd.unit=" : "systemd.unit="))
-                        continue;
-
-                if (runlevel_to_target(src[i]))
-                        continue;
-
                 /* Seems we have a good old option. Let's pass it over to the new instance. */
                 dst[(*dst_index)++] = src[i];
         }

test/units/testsuite-03.sh

@@ -3,6 +3,10 @@
 set -eux
 set -o pipefail
 
+# Simple test for that daemon-reexec works in container.
+# See: https://github.com/systemd/systemd/pull/23883
+systemctl daemon-reexec
+
 # Test merging of a --job-mode=ignore-dependencies job into a previously
 # installed job.