shaba/systemd-stable
1
1
Fork 0
mirror of https://github.com/systemd/systemd-stable.git synced 2025-01-25 06:03:40 +03:00
Code

rules: Limit the number of device units generated for serial ttys

Browse Source 
As per the suggestion in https://github.com/systemd/systemd/issues/33242.

This reduces the number of /dev/ttySXX device units generated in
mkosi from 32 to 4.

(cherry picked from commit dc38f9addd04c34d1fd743efc407bdebb3573d05)
(cherry picked from commit a3d94332a2b5128697373d3093c1cfa56649ec61)
This commit is contained in:
Daan De Meyer 2024-06-10 12:59:58 +02:00 committed by Luca Boccassi
parent aa93c07b3a
commit 639124214e
1 changed files with 2 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
rules.d/99-systemd.rules.in
View File

@ -10,6 +10,8 @@
ACTION=="remove", GOTO="systemd_end"
SUBSYSTEM=="tty", KERNEL=="tty[a-zA-Z]*|hvc*|xvc*|hvsi*|ttysclp*|sclp_line*|3270/tty[0-9]*", TAG+="systemd"
# Exclude 8250 serial ports with a zero IO port, as they are not usable until "setserial /dev/ttySxxx port …" is invoked.
SUBSYSTEM=="tty", KERNEL=="ttyS*", DRIVERS=="serial8250", ATTR{port}=="0x0", ENV{SYSTEMD_READY}="0"
KERNEL=="vport*", TAG+="systemd"
SUBSYSTEM=="ptp", TAG+="systemd"