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    SubjectRe: [PATCH] In-kernel module loader 1/7
    Date
    On Thursday 03 October 2002 20:53, Rob Landley wrote:
    > On Monday 30 September 2002 11:32 am, Daniel Phillips wrote:
    >
    > > Not being able to unload LSM would suck enormously. At last count, we
    > > knew how to do this:
    > >
    > > 1) Unhook the function hooks (using a call table simplifies this)
    > > 2) Schedule on each CPU to ensure all tasks are out of the module
    > > 3) A schedule where the module count is incremented doesn't count
    > >
    > > and we rely on the rule that and module code that could sleep must be
    > > bracketed by inc/dec of the module count.
    > >
    > > Did somebody come up with a reason why this will not work?
    >
    > Preemption?

    Turn it off.

    > Scheduling doesn't guarantee making any specific amount of progress within
    > the kernel with preemption enabled. I thought the preferred strategy was to
    > wait for the time slices to refill and then exhaust (since everybody has to
    > exhaust their time slices before anybody gets new ones. Unless I've missed
    > something...?)

    Probably ;-)

    --
    Daniel
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