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    SubjectRe: [patch 0/8] core, x86: Preparatory steps for RT
    On Fri, 26 Jul 2019 23:19:36 +0200
    Thomas Gleixner <tglx@linutronix.de> wrote:

    > CONFIG_PREEMPTION is selected by CONFIG_PREEMPT and by
    > CONFIG_PREEMPT_RT. Both PREEMPT and PREEMPT_RT require the same
    > functionality which today depends on CONFIG_PREEMPT.
    >
    > The following series adjusts the core and x86 code to use
    > CONFIG_PREEMPTION where appropriate and extends the x86 dumpstack
    > implementation to display PREEMPT_RT instead of PREEMPT on a RT
    > enabled kernel.
    >

    Hmm, I'm looking at v5.3-rc1 and I don't see a CONFIG_PREEMPTION
    defined. And the first patch doesn't define it. Did I miss a patch
    series that adds it?

    -- Steve

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