On Sun, 12 Jun 2005, Ingo Molnar wrote:
> x86 is actually a 'worst-case', because it has one of the cheapest CPU
> level cli/sti implementations. Usually it's the hard-local_irq_disable()
> overhead on non-x86 platforms that is a problem. (ARM iirc) So in this
> sense the soft-flag should be a win on most sane architectures.
My original port of this was on ARM , and I didn't notice a massive slow
down, or anything . I imagine it can't be unbearable.
Daniel
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