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

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Date:	Mon, 9 Sep 2013 16:37:16 +0530
From:	Ramkumar Ramachandra <artagnon@...il.com>
To:	Konrad Rzeszutek Wilk <konrad@...nel.org>
Cc:	LKML <linux-kernel@...r.kernel.org>,
	xen-devel@...ts.xenproject.org, boris.ostrovsky@...cle.com,
	david.vrabel@...rix.com, stefan.bader@...onical.com,
	stefano.stabellini@...citrix.com,
	Jeremy Fitzhardinge <jeremy@...p.org>,
	Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>
Subject: Re: [PATCH 4/5] xen/spinlock: Don't setup xen spinlock IPI kicker if disabled.

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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