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

[Michael S. Tsirkin]

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.

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