Re: [PATCH] De-macro spin_trylock_irq, spin_trylock_irqsave,write_trylock_irqsave

From: Ingo Molnar
Date: Sun Aug 17 2008 - 05:31:40 EST



* Johannes Weiner <hannes@xxxxxxxxxxxx> wrote:

> >> (but it would also be hugely invasive, with not much upside with
> >> tons of downside like years of migration fallout and having to
> >> rewrite hundreds of kernel hacking books ;-) )
> >
> > I want my money back for scheduler chapter from "Understanding the
> > Linux Kernel"!
>
> I agree that this argument of Ingo's is not a very good one... ;)

i see the smiley, but still - there's a huge difference between the
"pain" caused by a much better scheduler [ hey, did you expect me to say
anything else? ;-) ] and a rather arbitrary value->pointer parametering
change to a core API that is used _everywhere_.

Ingo
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