Re: [RFC 1/3] Unified NMI delayed call mechanism

Ingo Molnar
2010-06-18T14:38:09Z

* Andi Kleen <andi@firstfloor.org> wrote:

> > So aside from the should this be perf or not, the above is utter
> > gibberish. Whoever came up with this nonsense?
>
> This is pretty much how softirqs (and before them bottom halves) work.
> I believe Linus invented that scheme originally back in the early
> days of Linux.

Nope - the softirq code was written by Alexey Kuznetsov and David S. Miller.
But it's irrelevant, because:

> It's actually quite simple and works well

... as Peter said the last thing we want is yet another softirq vector.

Thanks,

Ingo