Displaying 3 results from an estimated 3 matches for "d1bc1ad6".
2014 May 14
0
[PATCH v10 03/19] qspinlock: Add pending bit
..... writing cache-cold benchmarks is _hard_ :/
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2014 May 14
2
[PATCH v10 03/19] qspinlock: Add pending bit
2014-05-13 15:47-0400, Waiman Long:
> On 05/12/2014 11:22 AM, Radim Kr?m?? wrote:
> >I think there is an unwanted scenario on virtual machines:
> >1) VCPU sets the pending bit and start spinning.
> >2) Pending VCPU gets descheduled.
> > - we have PLE and lock holder isn't running [1]
> > - the hypervisor randomly preempts us
> >3) Lock holder
2014 May 14
2
[PATCH v10 03/19] qspinlock: Add pending bit
2014-05-13 15:47-0400, Waiman Long:
> On 05/12/2014 11:22 AM, Radim Kr?m?? wrote:
> >I think there is an unwanted scenario on virtual machines:
> >1) VCPU sets the pending bit and start spinning.
> >2) Pending VCPU gets descheduled.
> > - we have PLE and lock holder isn't running [1]
> > - the hypervisor randomly preempts us
> >3) Lock holder