Re: possible spinlock optimizations

Andrea Arcangeli (andrea@suse.de)
Tue, 28 Sep 1999 22:28:20 +0200 (CEST)


On Tue, 28 Sep 1999, Ingo Molnar wrote:

>no. [..]

The answer is _yes_. The fact that it's not interesting these days is
another issue and I agree with you.

If a spinlock got acquired two times by the same cpu then you'll sti() and
the NMI won't trigger the oops with Manfred's idea applyed.

Andrea

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