Re: [Patch V3 0/3] Enable irqs when waiting for rwlocks

From: Robin Holt
Date: Wed Dec 03 2008 - 06:38:01 EST

> It's a bit regrettable to have different architectures behaving in
> different ways. It would be interesting to toss an x86_64
> implementation into the grinder, see if it causes any problems, see if
> it produces any tangible benefits. Then other architectures might
> follow. Or not, depending on the results ;)

I personally expect SGI to work on this for x86_64 in the future.
Once we actually start testing systems with 128 and above cpus, I
would expect to see these performance issues needing to be addressed.
Until then, it is just a theoretical.

Thank you for your help,
Robin Holt
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