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    SubjectRe: RFC: Starting a stable kernel series off the 2.6 kernel
    Date
    On Monday 05 December 2005 17:05, Benjamin LaHaise wrote:
    > On Mon, Dec 05, 2005 at 04:47:55PM -0600, Rob Landley wrote:
    > > So no in-kernel filesystem can get this right without help from userspace
    > > (even devfs had devfsd), and as soon as you've got a userspace daemon to
    > > tell the kernel who is who you might as well do the whole thing there,
    > > now that the kernel is exporting everyting _else_ we need to know via
    > > /sys and /sbin/hotplug.
    >
    > /sbin/hotplug is suboptimal. Even a pretty fast machine is slowed down
    > pretty significantly by the ~thousand fork and exec that take place during
    > startup.

    Why do you need hotplug events on startup? Can't you just scan /sys for "dev"
    entries do the initial populate of /dev from that?

    > For the most common devices -- common tty, pty, floppy, etc that
    > every system has, this is a plain waste of resources -- otherwise known as
    > bloat.

    I get those from a scan of /sys, and only care about hotplug events that come
    in after that. (Could just be me...)

    > -ben

    Rob
    --
    Steve Ballmer: Innovation! Inigo Montoya: You keep using that word.
    I do not think it means what you think it means.
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