Re: [PATCH 1/1 v2] KVM: Reduce mmu_lock contention during dirty logging by cond_resched()

[Marcelo Tosatti <mtosatti@xxxxxxxxxx>]

On Sun, Apr 29, 2012 at 05:39:35PM +0300, Avi Kivity wrote:
> On 04/29/2012 05:24 PM, Takuya Yoshikawa wrote:
> > On Sun, 29 Apr 2012 15:59:18 +0300
> > Avi Kivity <avi@xxxxxxxxxx> wrote:
> >
> > > > As we discussed before, we need to add some tricks to de-couple mmu_lock and
> > > > TLB flush.
> > > 
> > > Ok, let's discuss them (we can apply the patch independently).  Do you
> > > have something in mind?
> > > 
> >
> > How about your own idea?
> >
> 
> Looks pretty good, if I do say so myself.  I'll take a shot at
> implementing it.

Decoupling would also simplify Xiao's lockless faults.

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