Re: x86, ARM, PARISC, PPC, MIPS and Sparc folks please run this

From: Pavel Machek
Date: Sat Sep 06 2003 - 16:38:11 EST


Hi!

> > In x86 store buffer is not snooped which leads to all these serialization
> > issues (other CPUs looking at stale value of data which is in the store
> > buffer of some other CPU).
>
> x86 gives you coherency and store ordering (barring errata and special
> CPU modes)

Special CPU modes? You mean some special SSE stores?
Pavel

--
When do you have a heart between your knees?
[Johanka's followup: and *two* hearts?]
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