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    SubjectRe: [PATCH v2 0/4] Add support for compiling with -ffunction-sections -fdata-sections
    On Mon, 20 Apr 2009, Linus Torvalds wrote:

    > Are there any advantages outside of the size things?

    The main reason I'm interested in these patches is that they are needed by
    the Ksplice rebootless update system.

    The Ksplice developers have been working to make Ksplice mergeable into
    mainline for about a year now. I think it would be best for everyone if
    Ksplice were merged before it gets shipped as a feature of a distribution
    or as a widely deployed standalone product.

    Ksplice, Inc., the company behind Ksplice, has been doing deployments of a
    commercial rebootless update service based on Ksplice for several months
    now. Once we make a variant of this service freely available for a
    community Linux distribution later this year, we anticipate that many
    deployed Linux systems will be running Ksplice. We'd like to be good
    community members and merge Ksplice before that happens.

    We broke off this -ffunction-sections patch series from the main Ksplice
    patch series because it has significant independent interest and thus
    could be merged first.

    We are not asking you to make a decision at this time on whether or not
    Ksplice should be merged. However, this -ffunction-sections patch series
    is essentially the entire portion of the Ksplice patch series that touches
    the rest of the kernel, so merging this patch series will make it much
    easier to forward port Ksplice to new kernels or to merge Ksplice in the
    future.

    -Tim Abbott


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