Messages in this thread | | | Date | Tue, 6 Sep 2016 17:50:14 +0200 (CEST) | From | Thomas Gleixner <> | Subject | Re: [RESEND PATCH v6] x86/hpet: Reduce HPET counter read contention |
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On Tue, 6 Sep 2016, Waiman Long wrote: > > This is done by using a combination word with a sequence number and > a bit lock. The CPU that gets the bit lock will be responsible for > reading the HPET counter and update the sequence number. The others > will monitor the change in sequence number and grab the HPET counter > value accordingly. This change is only enabled on SMP configuration.
That hardly matches the implementation.
Thanks,
tglx
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