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Re: [Xen-devel] [PATCH RFC V9 0/19] Paravirtualized ticket spinlocks
- To: Gleb Natapov <gleb@xxxxxxxxxx>
- From: Jiannan Ouyang <ouyang@xxxxxxxxxxx>
- Date: Sun, 02 Jun 2013 09:20:34 -0700
- Cc: Jeremy Fitzhardinge <jeremy@xxxxxxxx>, x86@xxxxxxxxxx, KVM <kvm@xxxxxxxxxxxxxxx>, linux-doc@xxxxxxxxxxxxxxx, Peter Zijlstra <peterz@xxxxxxxxxxxxx>, Andrew Jones <drjones@xxxxxxxxxx>, virtualization@xxxxxxxxxxxxxxxxxxxxxxxxxx, andi@xxxxxxxxxxxxxx, "H. Peter Anvin" <hpa@xxxxxxxxx>, stefano.stabellini@xxxxxxxxxxxxx, xen-devel@xxxxxxxxxxxxxxxxxxx, Raghavendra K T <raghavendra.kt@xxxxxxxxxxxxxxxxxx>, agraf@xxxxxxx, Ingo Molnar <mingo@xxxxxxxxxx>, "Andrew M. Theurer" <habanero@xxxxxxxxxxxxxxxxxx>, konrad.wilk@xxxxxxxxxx, Jiannan Ouyang <ouyang@xxxxxxxxxxx>, Marcelo Tosatti <mtosatti@xxxxxxxxxx>, Avi Kivity <avi.kivity@xxxxxxxxx>, Thomas Gleixner <tglx@xxxxxxxxxxxxx>, chegu vinod <chegu_vinod@xxxxxx>, gregkh@xxxxxxx, LKML <linux-kernel@xxxxxxxxxxxxxxx>, Srivatsa Vaddagiri <srivatsa.vaddagiri@xxxxxxxxx>, attilio.rao@xxxxxxxxxx, pbonzini@xxxxxxxxxx, torvalds@xxxxxxxxxxxxxxxxxxxx, stephan.diestelhorst@xxxxxxx
- Delivery-date: Mon, 03 Jun 2013 09:37:58 +0000
- List-id: Xen developer discussion <xen-devel.lists.xen.org>
On Sun, Jun 2, 2013 at 1:07 AM, Gleb Natapov <gleb@xxxxxxxxxx> wrote:
> High level question here. We have a big hope for "Preemptable Ticket
> Spinlock" patch series by Jiannan Ouyang to solve most, if not all,
> ticketing spinlocks in overcommit scenarios problem without need for PV.
> So how this patch series compares with his patches on PLE enabled processors?
>
No experiment results yet.
An error is reported on a 20 core VM. I'm during an internship
relocation, and will start work on it next week.
--
Jiannan
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