logind: add a comment with a reminder why we don't use ProtrectProc=

bluca · yuwata · commit ba679b8d567e · 2021-12-17T21:34:20.000+09:00
Follow-up for systemd#21785
diff --git a/units/systemd-logind.service.in b/units/systemd-logind.service.in
@@ -37,6 +37,7 @@ LockPersonality=yes
 MemoryDenyWriteExecute=yes
 NoNewPrivileges=yes
 PrivateTmp=yes
+# We don't use ProtectProc= since we need to look for usernames and tty for wall messages
 ProtectClock=yes
 ProtectControlGroups=yes
 ProtectHome=yes
