Re: [patch] eventfd - remove fput() call from possible IRQ context(2nd rev)

[Davide Libenzi]

On Mon, 16 Mar 2009, Jamie Lokier wrote:

> Davide Libenzi wrote:
> > +	if (unlikely(req->ki_eventfd != NULL)) {
> 
> Is this really unlikely?  Having an eventfd seems to be the modern,
> cool, recommended way to do AIO.

I don't have statistics at hand, but I guess that nowadays AIO+eventfd is 
still not very popular. It doesn't make much of a difference either ways I 
guess, so we could drop the unlikely().



- Davide


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