Re: [patch 00/13] devtmpfs patches

[Alan Cox]

> The same applies when you leave initiramfs, the in-initramfs udevd
> copy is killed, and the one from the real root is started. You may
> miss events in-between, and need to run a full coldplug again, not
> only to apply the policy, but also to make sure that all nodes are
> there. The policy can run in the background for most things just fine,
> the missing node may cause trouble.

What a strange behaviour. Why not run a single udev instance inside the
tmpfs you are turning into dev and will then attach to the real rootfs
when it appears ? You only need to build /dev once.

> Yeah, and I mentioned many other ways this is useful, to do stuff in
> parallel, to be able to rescue, and to have custom systems which do

But there are lots where it is not - and those you've mentioned where it
might be seem rather stretched at best.
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