On Thu, 6 Oct 2005, Andrey Savochkin wrote:
>
> Well, it's hard to swallow...
> It's not about being not fully fair, it's about deadlocks that started
> to appear after code changes inside retry loops...
No, it's not about fairness.
It's about BUGS IN YOUR CODE.
If you need fairness, you need to implement that yourself. You can do so
many ways. Either on top of spinlocks, by using an external side-band
channel, or by using semaphores instead of spinlocks (semaphores are much
higher cost, but part of the cost is that they _are_ fair).
Linus
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