Re: Missing cache flush.

Ingo Molnar (mingo@elte.hu)
Tue, 5 Jun 2001 10:29:28 +0200 (CEST)


On 4 Jun 2001, Linus Torvalds wrote:

> - even when it works, it is necessarily very very very slow. Not to be
> used lightly. As you can imagine, the work-around is even slower.

i've measured it once, IIRC it was around 10-15 millisecs on normal
pentiums, so while it's indeed the slowest x86 instruction on the planet,
it's still perhaps acceptable for hot-swapping ECC RAM.

Ingo

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