Benjamin Herrenschmidt <b...@kernel.crashing.org> wrote on 05/10/2009 23:31:39:

> >
> > Yes, every ld.so uses dcbX and icbi insn when relocatin code.
>
> Even with -msecure-plt ?

hmm, maybe not. Can't remember now. But perhaps LAZY relocs still
need dcbX? Easiest is to check in uClibc. I impl. it, but was to long
time ago for me to remember. Scott are you using uClibc? I don't
think so because of the dynamic check of the cache line size

>
> > Maybe you see some version of the dcbX bug, but my fault.c should
> > fix them up. My bet would be the 32 byte cache line, it will miss
> > out every second line and so the results are unreliable.
>
> Cheers,
> Ben.

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