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    SubjectRe: [PATCH] x86/apic: reduce cache line misses in __x2apic_send_IPI_mask()
    On Thu, Oct 7, 2021 at 7:07 AM Peter Zijlstra <peterz@infradead.org> wrote:
    >
    > On Thu, Oct 07, 2021 at 07:04:09AM -0700, Eric Dumazet wrote:
    > > Good idea, I will try this.
    > > Hopefully nr_cpu_ids is populated there ?
    >
    > Lets hope :-), I'm always terminally lost in early bringup. I figure it
    > should be painfully obvious if it goes wrong.

    The answer seems to be yes on hosts I tested.

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