Re: [RESEND PATCH v6] x86/hpet: Reduce HPET counter read contention

[Thomas Gleixner]

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