linux-kernel - Re: [PATCH v2] xen-netback: making the bandwidth limiter runtime settable

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Message-ID: <20150320101155.GO16267@zion.uk.xensource.com>
Date:	Fri, 20 Mar 2015 10:11:55 +0000
From:	Wei Liu <wei.liu2@...rix.com>
To:	Imre Palik <imrep.amz@...il.com>
CC:	<xen-devel@...ts.xenproject.org>,
	Ian Campbell <ian.campbell@...rix.com>,
	Wei Liu <wei.liu2@...rix.com>, <netdev@...r.kernel.org>,
	<linux-kernel@...r.kernel.org>, "Palik, Imre" <imrep@...zon.de>,
	"Anthony Liguori" <aliguori@...zon.com>
Subject: Re: [PATCH v2] xen-netback: making the bandwidth limiter runtime
 settable

On Thu, Mar 19, 2015 at 11:05:42AM +0100, Imre Palik wrote:
> From: "Palik, Imre" <imrep@...zon.de>
> 
> With the current netback, the bandwidth limiter's parameters are only
> settable during vif setup time.  This patch register a watch on them, and
> thus makes them runtime changeable.
> 
> When the watch fires, the timer is reset.  The timer's mutex is used for
> fencing the change.
> 
> Cc: Anthony Liguori <aliguori@...zon.com>
> Signed-off-by: Imre Palik <imrep@...zon.de>

Acked-by: Wei Liu <wei.liu2@...rix.com>
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