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SubjectRe: [PATCH v6 2/3] CPU hotplug, stop-machine: Plug race-window that leads to "IPI-to-offline-CPU"
On Fri, May 23, 2014 at 03:42:20PM +0530, Srivatsa S. Bhat wrote:
> Re-enable interrupts Re-enable interrupts
>
> The pending IPI is noted
> immediately, but alas,
> the CPU is offline at
> this point.
>

So wasn't clear_local_APIC() (and the arch function __cpu_disable() in
general) wipe all pending interrup state?
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