On Fri, Oct 14, 2005 at 01:47:09PM -0400, Chuck Ebbert wrote:
> Attempt to acquire spinlock sooner after spinning and then noticing
> it has become available. Also adds a slight delay before testing the
> spinlock again when it's not available, reducing bus traffic.
I doubt your change adds any noticeable delay on a aggressive
OOO CPU, which are pretty much all modern x86s. It's probably
a nop.
-Andi
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