Re: [tip:x86/mm] x86/mm/tlb: Make lazy TLB mode lazier

[Peter Zijlstra]

On Wed, Jul 18, 2018 at 02:51:45PM -0400, Rik van Riel wrote:

> > Ah, ok. I wasn't entirely sure the new lazy was purely for the idle
> > case. But yes, the KVM paravirt thing should get the idle case right.
> > 
> Not just idle, but also running in kernel threads like ksoftirqd,
> kworker, kswapd, etc.

Right, that's what I thought.

> However, kvm_flush_tlb_other calls
> native_flush_tlb_other, so it should get that optimization automatically
> from my patch series.

Aah, seems I forgot that part, then yes indeed, it all works.