Re: [Xen-devel] [PATCH 0/9] qspinlock stuff -v15
From: Peter Zijlstra
Date: Thu Mar 19 2015 - 14:32:39 EST
On Thu, Mar 19, 2015 at 06:01:34PM +0000, David Vrabel wrote:
> This seems work for me, but I've not got time to give it a more thorough
> testing.
>
> You can fold this into your series.
Thanks!
> There doesn't seem to be a way to disable QUEUE_SPINLOCKS when supported by
> the arch, is this intentional? If so, the existing ticketlock code could go.
Yeah, its left as a rudiment such that if we find issues with the
qspinlock code we can 'revert' with a trivial patch. If no issues show
up we can rip out all the old code in a subsequent release.
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