Re: [KVM PATCH v3 3/3] KVM: Fix races in irqfd using new eventfd_kref_get interface

Michael S. Tsirkin
2009-06-22T18:53:30Z

On Mon, Jun 22, 2009 at 11:41:53AM -0700, Davide Libenzi wrote:
> > Absolutely. But IMO documentation in the form of "fields A B C are
> > protected by lock X" in a single place near field declaration is better
> > than "we take lock X here to protect against race with user thread using
> > fields A B C" sprinkled all over the code.
>
> Exactly what akpm suggested.

Everything that can be invented has been invented.