[linux-fbdev] Re: readl() and friends and eieio on PPC

Paul Mackerras paulus at cs.anu.edu.au
Thu Aug 12 09:52:31 EST 1999

Jes Sorensen <Jes.Sorensen at cern.ch> wrote:

> I will have to disagree with you on this one, I consider the PPC
> implementation to be very broken in this regard.

"Very broken" - because drivers work and there is no measurable
performance impact?? !!! ??

The only possible argument for *not* having the eieio in readl/writel
is that it hurts performance (actually and measurably, not just


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