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Re: [Xen-devel] Hypercalls from user-space
| To: | "Srujan D. Kotikela" <ksrujandas@xxxxxxxxx>, Jeremy Fitzhardinge <jeremy@xxxxxxxx> |
|---|---|
| Subject: | Re: [Xen-devel] Hypercalls from user-space |
| From: | Keir Fraser <keir@xxxxxxx> |
| Date: | Tue, 05 Oct 2010 23:09:42 +0100 |
| Cc: | xen-devel@xxxxxxxxxxxxxxxxxxx |
| Delivery-date: | Tue, 05 Oct 2010 15:10:58 -0700 |
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| Thread-topic: | [Xen-devel] Hypercalls from user-space |
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/proc/xen/privcmd should be available in domU as well. You might need to enable some dom0 build config options to get it though. -- Keir On 05/10/2010 22:31, "Srujan D. Kotikela" <ksrujandas@xxxxxxxxx> wrote: > Hi Jeremy, > > I am able to do hypercalls in privileged domain. i want to invoke hypercalls > (to send EVENT notifications) from DomU. > Amy pointers for the same would be appreciated. > > -- > Srujan D. Kotikela > > > On Fri, Sep 24, 2010 at 2:14 PM, Jeremy Fitzhardinge <jeremy@xxxxxxxx> wrote: >> 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 _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel |
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