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    SubjectRe: Hardwired drivers are going away?
    On Mon, 14 Jan 2002 14:09:16 -0500 (EST)
    Alexander Viro <viro@math.psu.edu> wrote:
    > Two technical obstacles:
    > a) on some architecures modular code is slower (IIRC, the problem is
    > with medium-range calls being faster than far ones and usable only in the
    > kernel proper). We probaly want to leave a gap after the .text and remap
    > .text of module in there - if I understand the problem that should be
    > enough, but that's really a question to folks dealing with these ports (PPC64
    > and Itanic?)

    Sparc64 has a special allocator. PPC32 is not so lucky, and if the module
    doesn't end up under 32MB we use trampolines (PLT in the ppc parlance).
    PPC64 has similar issues.

    > b) current differences between options parsing in case of built-in
    > and modular drivers.

    I have a patch for this, of course, but it's tied to my replacement module
    loader:

    http://www.kernel.org/pub/linux/kernel/people/rusty/patches/Module/param.patch.bz2

    Cheers!
    Rusty.
    --
    Anyone who quotes me in their sig is an idiot. -- Rusty Russell.
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