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SubjectRe: [PATCH] Re: Negative scalability by removal of


On Sat, 4 Nov 2000, Alan Cox wrote:
>
> > Even 2.2.x can be fixed to do the wake-one for accept(), if required.
>
> Do we really want to retrofit wake_one to 2.2. I know Im not terribly keen to
> try and backport all the mechanism. I think for 2.2 using the semaphore is a
> good approach. Its a hack to fix an old OS kernel. For 2.4 its not needed

We don't need to backport of the full exclusive wait queues: we could do
the equivalent of the semaphore inside the kernel around just accept(). It
wouldn't be a generic thing, but it would fix the specific case of
accept().

Otherwise we're going to have old binaries of apache lying around forever
that do the wrong thing..

Linus

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