Re: Couple of questions about details of the RT patch

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On Thu, 6 Feb 2014, Corey Minyard wrote:

> I was looking over the RT patch and I had a couple of questions:
> 
> Is there a reason that the PREEMPT_LAZY code is not ifdef-ed out when
> PREEMPT_LAZY is disabled.  I can't see a reason to leave it in, it's
> just dead code at that point.  I'd be happy to do a patch to fix this.
> 
> Why does preempt_disable_rt() become a barrier when PREEMPT_RT is
> disabled?  Why isn't it just nothing?

Because I'm a lazy bastard and I fundamentaly hate #ifdefs :)

Thanks,

	tglx
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