Re: spin_unlock optimization(i386)

Manfred Spraul (manfreds@colorfullife.com)
Fri, 26 Nov 1999 17:20:30 +0100


Ingo Molnar wrote:
>
> my (fixed) test code doesnt show any causality violation. Manfred's code
> is a complex simulation of one given Linux code sequence, Manfred are you
> sure it's not buggy?
>
Yes, but I'll check it again.
And: the problem goes away if I replace the "mov" with an "lock;"
instruction.

I'll try to find a simpler test.

--
	Manfred

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