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    SubjectRe: [RFC][PATCH -mm take4 2/6] support multiple logging
    On Fri, 20 Apr 2007 18:51:13 +0900
    Keiichi KII <> wrote:

    > > I started to do some cleanups and fixups here, but abandoned it when it was
    > > all getting a bit large.
    > >
    > > Here are some fixes against this patch:
    > I'm going to fix my patches by following your reviews and send new patches
    > on the LKML and the netdev ML in a few days.

    Well.. before you can finish this work we need to decide upon what the
    interface to userspace will be.

    - The miscdev isn't appropriate

    - netlink remains a possibility

    - Stephen suggests an ioctl against a socket and davem suggests socket
    options, but it's unclear to me how that socket will get bound to

    either way, I agree with the overall thrust of this work: netconsole is
    useful in production environments, can become more useful and will need
    runtime configurability.

    I wonder if we're approaching this in the right way, however...

    At a high level, netconsole is just a flow of UDP packets between two
    machines. The kernel already has rich and well-understood ways of creating
    and configuring such flows.

    So... instead of creating a brand new way of configuring such a flow via
    sysfs and ioctl, could we instead create a flow using the existing
    mechanisms (presumably the socket API) and then "transfer" the information
    from that flow over to netconsole by some means??
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