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

Follow-up for https://github.com/systemd/systemd/pull/21785

diff --git a/units/systemd-logind.service.in b/units/systemd-logind.service.in
index b3b9ff36b1848e2e7c4b891173e4780ff7ce9fff..042ea75d7abd6e04c069ad55b492ec672aea072d 100644 (file)
--- 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