Re: IO queueing and complete affinity w/ threads: Some results

[Jens Axboe]

On Mon, Feb 18 2008, Andi Kleen wrote:
> Jens Axboe <jens.axboe@xxxxxxxxxx> writes:
> 
> > and that scrapping the remote
> > softirq trigger stuff is sanest.
> 
> I actually liked Nick's queued smp_function_call_single() patch. So even
> if it was not used for block I would still like to see it being merged 
> in some form to speed up all the other IPI users.

Sure, Nicks patch was generically usable, my IPI stuff was just a hack
made to go as fast as possible for a single use. The current
call-on-other cpu path is not exactly scalable...

-- 
Jens Axboe

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