Re: spin_lock forgets to clobber memory and other smp fixes [was Re: [patch] waitqueue optimization, 2.4.0-test7]

From: Andrea Arcangeli (andrea@suse.de)
Date: Fri Sep 08 2000 - 05:54:47 EST


On Fri, 8 Sep 2000, David Woodhouse wrote:

>andrea@suse.de said:
>> I guess Alexey point is that the current compiler doesn't notice
>> that.
>
>I don't understand why we're bringing empirical evidence into this
>discussion. Didn't we get into the horrible mess we've already got w.r.t.

I'm the first who noticed and who was complaning the current behaviour, I
was considering it a bug even before I could have empirical evidence (that
I still don't have with my current compiler). I just fixed it partly and
I'm completing the fix now.

Andrea

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