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    SubjectRe: [patch] sched: implement cpu_clock(cpu) high-speed time source, take #2

    * Jeremy Fitzhardinge <jeremy@goop.org> wrote:

    > > how about the patch below instead? (which, unlike the first one,
    > > happens to build and boot ;-)
    >
    > Yes, that should be fine if its just based on sched_clock. Presumably
    > that means that any architecture (eg, s390) which chooses to implement
    > sched_clock as unstolen time will get good behaviour from softlockup
    > as well as the scheduler.

    yeah, that's the idea.

    > How does this interact with the sched_clock changes Andi just posted?

    those changes pose no problem, and they are largely orthogonal. Andi's
    changes should improve the quality of sched_clock() on some boxes that
    encounter a cpu frequency transition that makes the TSC readout
    unreliable.

    Ingo
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