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Re: [Xen-devel] [PATCH 4/5] xen/spinlock: Don't setup xen spinlock IPI kicker if disabled.

To: Konrad Rzeszutek Wilk <konrad@xxxxxxxxxx>
From: Ramkumar Ramachandra <artagnon@xxxxxxxxx>
Date: Mon, 9 Sep 2013 16:37:16 +0530
Cc: Jeremy Fitzhardinge <jeremy@xxxxxxxx>, stefano.stabellini@xxxxxxxxxxxxx, LKML <linux-kernel@xxxxxxxxxxxxxxx>, stefan.bader@xxxxxxxxxxxxx, david.vrabel@xxxxxxxxxx, xen-devel@xxxxxxxxxxxxxxxxxxxx, boris.ostrovsky@xxxxxxxxxx
Delivery-date: Mon, 09 Sep 2013 12:20:48 +0000
List-id: Xen developer discussion <xen-devel.lists.xen.org>

Konrad Rzeszutek Wilk wrote:
> There is no need to setup this IPI kicker if we are never going
> to use the paravirtualized ticketlock mechanism.

Excellent patch; the important takeaway is that paravirtualization is
still quite useful in the real world.

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References:
- [Xen-devel] [PATCH] Bug-fixes to enable PV ticketlock to work under Xen PVHVM with Linux v3.12. (v1)
  - From: Konrad Rzeszutek Wilk
- [Xen-devel] [PATCH 4/5] xen/spinlock: Don't setup xen spinlock IPI kicker if disabled.
  - From: Konrad Rzeszutek Wilk

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