On Mon, 24 Apr 2000, Rogier Wolff wrote:
>
> And as, nowadays it is possible to upgrade the CPU in-circuit, even
> under Linux, wouldn't it be an idea to just require the microcode
> upgrade? This is EXACTLY what the microcode upgrade is for.
This is not going to be microcode-upgradeable, I bet. Sure, certain
companies I could mention can change everything they do with a microcode
update, but on normal CPU's the kind of ordering issue between simple
operations is probably not fixable with a software upgrade (well, maybe
the cache replacement policy might be updated or something, but we're
talking simple operations like "mov to memory" here which are definitely
not handled by microcode.)
Linus
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