From mboxrd@z Thu Jan  1 00:00:00 1970
From: =?ISO-8859-1?Q?Roger_Pau_Monn=E9?= <roger.pau@citrix.com>
Subject: Re: Xen IO scheduling
Date: Wed, 19 Mar 2014 09:24:21 +0100
Message-ID: <53295435.4010002@citrix.com>
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To: Rajendra Bele <belerajendra753@gmail.com>, Xen-devel@lists.xen.org
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On 19/03/14 02:36, Rajendra Bele wrote:
> Dear friends can any one tell me
>  how xen choose specific scheduling policy at run time for io scheduling

Xen doesn't handle IO devices directly, they are instead passed to Dom0
(or a hardware/driver domain), which will handle them (using whatever
scheduler is configured there).

Roger.