Re: [Xen-devel] Hypercalls from user-space

To:	"Srujan D. Kotikela" <ksrujandas@xxxxxxxxx>
Subject:	Re: [Xen-devel] Hypercalls from user-space
From:	Jeremy Fitzhardinge <jeremy@xxxxxxxx>
Date:	Fri, 24 Sep 2010 12:14:58 -0700
Cc:	xen-devel@xxxxxxxxxxxxxxxxxxx
Delivery-date:	Fri, 24 Sep 2010 12:15:33 -0700
Envelope-to:	www-data@xxxxxxxxxxxxxxxxxxx
In-reply-to:	<AANLkTimQwuof3KVbo6QuJwYNCD=Yom1pmFnjj4+HfWe0@xxxxxxxxxxxxxx>
List-help:	<mailto:xen-devel-request@lists.xensource.com?subject=help>
List-id:	Xen developer discussion <xen-devel.lists.xensource.com>
List-post:	<mailto:xen-devel@lists.xensource.com>
List-subscribe:	<http://lists.xensource.com/mailman/listinfo/xen-devel>, <mailto:xen-devel-request@lists.xensource.com?subject=subscribe>
List-unsubscribe:	<http://lists.xensource.com/mailman/listinfo/xen-devel>, <mailto:xen-devel-request@lists.xensource.com?subject=unsubscribe>
References:	<AANLkTimQwuof3KVbo6QuJwYNCD=Yom1pmFnjj4+HfWe0@xxxxxxxxxxxxxx>
Sender:	xen-devel-bounces@xxxxxxxxxxxxxxxxxxx
User-agent:	Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.2.9) Gecko/20100907 Fedora/3.1.3-1.fc13 Lightning/1.0b3pre Thunderbird/3.1.3

 On 09/24/2010 11:38 AM, Srujan D. Kotikela wrote:
> Hi,
>
> Can anyone tell me how to invoke hypercalls from user space? Or any
> pointers for the same.
>
> It's urgent, please help.
>

You can't directly invoke hypercalls from userspace.   In a privileged
domain you can use ioctls on /proc/xen/privcmd.

    J

_______________________________________________
Xen-devel mailing list
Xen-devel@xxxxxxxxxxxxxxxxxxx
http://lists.xensource.com/xen-devel

WARNING - OLD ARCHIVES

xen-devel

Re: [Xen-devel] Hypercalls from user-space