On Mon, Feb 10, 2014 at 08:58:20PM +0100, Peter Zijlstra wrote:
> Hi all,
>
> I would propose merging the following patches...
>
> The first set is mostly from Jason and tweaks the mutex adaptive
> spinning, AIM7 throughput numbers:
>
> PRE: 100 2000.04 21564.90 2721.29 311.99 3.12 0.01 0.00
> 99
> POST: 100 2000.04 42603.85 5142.80 311.99 3.12 0.00 0.00
> 99
>
> The second set is the qrwlock, although mostly rewritten by me. I didn't do
> much with it other than boot and build a kernel. But I like them because
> of the much better worst case preformance.
This series passes a short locktorture test when based on top of current
tip/core/locking.
But don't read too much into this... This was in an 8-CPU KVM guest on
x86, and locktorture is still a bit on the lame side. But you have to
start somewhere!
Thanx, Paul
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