Re: [RFC][PATCH 0/7] locking: qspinlock

[Peter Zijlstra]

On Wed, Mar 12, 2014 at 12:19:33PM -0400, Steven Rostedt wrote:
> On Wed, 12 Mar 2014 16:57:54 +0100
> Peter Zijlstra <peterz@xxxxxxxxxxxxx> wrote:
> 
> 
> > I build and booted these patches against tip/master as of this morning.
> > It build ~50 defconfig kernels on my WSM-EP.
> > 
> > I've not managed to reproduce the hang as reported by Dave, but then I
> > doubt building kernels has anywhere near the lock contention he
> > generated.
> > 
> 
> Have you tried hackbench? That usually gives rq spinlocks a bit of
> contention.

Ha!, bang it goes. I suppose my userspace contention is too nice or
something for not triggering this.

Lemme try and put it together again :-)
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