Re: RCU red-black tree (was: Re: [PATCH 4/6] kvm tools: Add rwlock wrapper)

Ingo Molnar
2011-05-31T13:09:51Z

* Sasha Levin <levinsasha928@gmail.com> wrote:

> I've started working on converting our MMIO code to use RCU rbtree.

Well, why would we want to switch the MMIO code away from the brlock
right now? mmio tree reconfigurations are very, very rare.

Won't something like the qcow cache be more suitable for that? That
has both frequent read and write activities.

Thanks,

Ingo