Re: [PATCH 15/24] kvm: mmu: Wrap mmu_lock cond_resched and needbreak

[Paolo Bonzini]

On 26/01/21 18:47, Ben Gardon wrote:
> Enough that it motivated me to implement this more complex union
> scheme. While the difference was pronounced in the dirty log perf test
> microbenchmark, it's an open question as to whether it would matter in
> practice.

I'll look at getting some numbers if it's just the dirty log perf test. 
 Did you see anything in the profile pointing specifically at rwlock?

Paolo