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    SubjectRe: [patch] del_timer_sync scalability patch
    On Tue, 8 Mar 2005, Andrew Morton wrote:

    > If we're prepared to rule that a timer handler is not allowed to do
    > add_timer_on() then a recurring timer is permanently pinned to a CPU, isn't
    > it?

    The process may be rescheduled to run on different processor. Then the
    add_timer() function (called from schedule_next_timer in
    kernel/posix-timers.c) will also add the timer to the new processor
    because it is called from the signal handling code. So I think that it
    is possible that a periodic timer will be scheduled on different
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