Don't enumerate/monitor all devices of the system (since that can be
quite a few), but limit our search to devices from the "input"
subsystem, as well as the "tty" subsystem (to cover Wacom tablets).
This should make X start up a bit faster and reduce the number of
unnecessary wake-ups of the X server.
---
config/udev.c | 7 +++++++
1 files changed, 7 insertions(+), 0 deletions(-)
diff --git a/config/udev.c b/config/udev.c
index 5ac52a1..0763cc9 100644
--- a/config/udev.c
+++ b/config/udev.c
@@ -281,6 +281,9 @@ config_udev_init(void)
if (!udev_monitor)
return 0;
+ udev_monitor_filter_add_match_subsystem_devtype(udev_monitor, "input",
NULL);
+ udev_monitor_filter_add_match_subsystem_devtype(udev_monitor, "tty",
NULL); /* For Wacom serial devices */
+
if (udev_monitor_enable_receiving(udev_monitor)) {
ErrorF("config/udev: failed to bind the udev monitor\n");
return 0;
@@ -289,6 +292,10 @@ config_udev_init(void)
enumerate = udev_enumerate_new(udev);
if (!enumerate)
return 0;
+
+ udev_enumerate_add_match_subsystem(enumerate, "input");
+ udev_enumerate_add_match_subsystem(enumerate, "tty");
+
udev_enumerate_scan_devices(enumerate);
devices = udev_enumerate_get_list_entry(enumerate);
udev_list_entry_foreach(device, devices) {
--
1.7.6
Lennart
--
Lennart Poettering - Red Hat, Inc.
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