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    SubjectRe: [PATCH] stop on cpu lost
    On Thu, 22 Jun 2006 12:04:31 -0500
    Nathan Lynch <> wrote:

    > Randy.Dunlap wrote:
    > > Sounds like we are getting nowhere. The sysctl knob might
    > > have to be the answer.
    > I don't like having the kernel forcibly kill or stop tasks for this
    > case, regardless of whether the behavior is configurable. What I
    > originally meant to suggest was a sysctl knob which will control
    > whether the offline will fail in this situation.
    Okay, stop_on_cpu_lost patcfh is not good anyway.
    Andrew, could you drop stop_on_cpu_lost patch ?

    From this discussion, it seems there is a direction.
    I'll update my avoid_cpu_removal_if_busy patch and add sysctl for it.

    > But I'm still more inclined to leave the kernel's handling of this as it
    > stands, since this is policy that can be implemented in userspace.
    A program to walk through all tasks and check thier allowd_cpus ?

    > We need to preserve the current behavior as the default, in any case.
    I agree here.


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