Re: [PATCH] Linux Kernel Markers

Alan Cox
2006-09-20T10:10:28Z

Ar Mer, 2006-09-20 am 09:18 +0100, ysgrifennodd Richard J Moore:
> > Are you referring to Intel erratum "unsynchronized cross-modifying code"
> > - where it refers to the practice of modifying code on one processor
> > where another has prefetched the unmodified version of the code.

> In the special case of replacing an opcode with int3 that erratum doesn't
> apply. I know that's not in the manuals but it has been confirmed by the
> Intel microarchitecture group. And it's not reasonable to it to be any
> other way.

Ok thats cool to know and I wish they'd documented it. Is the same true
for AMD ?

Alan