alikates e38db6e4de
main/postmarketos-mkinitfs: don't use uevent helper (MR 3351)
Instead of using the uevent helper binary, mdev daemon listens for kernel
events using the netlink interface. Then the requirement of enabling
UEVENT_HELPER for pmOS kernels can be dropped, as it's use is discouraged.

From CONFIG_UEVENT_HELPER kernel config help:

> This should not be used today, because usual systems create many events
> at bootup or device discovery in a very short time frame. One forked
> process per event can create so many processes that it creates a high
> system load, or on smaller systems it is known to create out-of-memory
> situations during bootup.

Support for running mdev as a daemon was added in 2019 with commit [1].

From that same commit:

> Adds the -d option to run mdev in daemon mode handling hotplug events
> from the kernel like udev. If the system generates many hotplug events
> this mode of operation will consume less resources than registering
> mdev as hotplug helper or using the uevent applet.

[1] https://git.busybox.net/busybox/commit/?id=498cec202adbf69a7a72af5e204260682d614183
[ci:skip-build]: already built successfully in CI
2022-11-11 08:11:19 +01:00
2022-11-10 21:20:18 +01:00
2019-06-26 22:36:15 +02:00
2022-10-26 20:56:18 +02:00
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