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    SubjectRe: [PATCH] Driver Core: devtmpfs - kernel-maintained tmpfs-based /dev
    On Tue, Aug 11, 2009 at 08:25:27PM -0400, David Dillow wrote:
    > On Tue, 2009-08-11 at 16:55 +0200, Andi Kleen wrote:
    > > > No, not really. It isn't hard to make a static /dev, or a rescue initrd
    > > > for the cases with dynamic device numbers.
    > >
    > > There's a world between strictly controlled embedded and fully general
    > > distributions.
    > Sure, and I've acknowledged that. But it doesn't mean this needs a
    > kernel solution.
    > > I want a dynamic /dev, but a fast one that doesn't need initrd or
    > > slows down booting.
    > So use Eric/Arjan's program that does it in 60ms -- you get a
    > dynamic /dev, no initrd, fast boot, and no kernel changes required.

    Their program only handles it for a reconstruction of /dev based on
    sysfs one time at boot. It does not handle things that are added or
    discovered by the system after that, you need udev for that.

    So it's a great hack for boot time stuff, but not a complete /dev
    management replacement like this code can be for numerous systems.


    greg k-h

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