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    SubjectRe: [PATCH 3/5] perf/arm-ccn: Fix CPU hotplug race avoidance
    On Mon, 4 Feb 2019, Robin Murphy wrote:
    > /* Pick one CPU which we will use to collect data from CCN... */
    > - cpumask_set_cpu(get_cpu(), &ccn->dt.cpu);
    > + cpus_read_lock();
    > + ccn->dt.cpu = smp_processor_id();

    Again raw_smp_processor_id()

    Thanks,

    tglx

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