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SubjectRe: [patch] epoll reduced (to 1) number of passes over the ready set ...


On Mon, 26 Feb 2007, Davide Libenzi wrote:
>
> Epoll is doing multiple passes over the ready set at the moment, because
> of the constraints over the f_op->poll() call. Looking at the code again,
> I noticed that we already hold the epoll semaphore in read, and this
> (together with other locking conditions that hold while doing an
> epoll_wait()) can lead to a smarter way to "ship" events to userspace (in
> a single pass).

Ok, this looks fine, but I think it makes more sense with (a) a sign-off
line and perhaps a slightly expanded explanation, and (b) keeping it in
-mm until after 2.6.21 is out, and merging it then.

Yes? No? Linus is on some crazy drugs again?

Linus
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