 Home |
Products |
Support |
Community |
News |
xen-devel
Re: [Xen-devel] [PATCH, RFC] Add sysctl to HVM hypercall table
| To: | Keir Fraser <keir.fraser@xxxxxxxxxxxxx> |
|---|---|
| Subject: | Re: [Xen-devel] [PATCH, RFC] Add sysctl to HVM hypercall table |
| From: | Daniel De Graaf <dgdegra@xxxxxxxxxxxxx> |
| Date: | Wed, 08 Sep 2010 17:15:11 -0400 |
| Cc: | xen-devel <xen-devel@xxxxxxxxxxxxxxxxxxx> |
| Delivery-date: | Wed, 08 Sep 2010 14:15:53 -0700 |
| Envelope-to: | www-data@xxxxxxxxxxxxxxxxxxx |
| In-reply-to: | <C8AD47EB.12673%keir.fraser@xxxxxxxxxxxxx> |
| 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> |
| Organization: | National Security Agency |
| References: | <C8AD47EB.12673%keir.fraser@xxxxxxxxxxxxx> |
| Sender: | xen-devel-bounces@xxxxxxxxxxxxxxxxxxx |
| User-agent: | Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.2.8) Gecko/20100806 Fedora/3.1.2-1.fc13 Thunderbird/3.1.2 |
On 09/08/2010 05:02 PM, Keir Fraser wrote: > On 08/09/2010 09:00, "Daniel De Graaf" <dgdegra@xxxxxxxxxxxxx> wrote: > >>>> The sysctl hypercall should be callable from HVM guests. >>> >>> Why? >>> >>> K. >> >> I would like to be able to call xc_domain_getinfolist from an HVM driver >> domain. This uses the XEN_SYSCTL_getdomaininfolist sysctl. > > You realise that as it stands the domain needs to be as privileged as dom0 > to successfully execute the sysctl hypercall? > > -- Keir > Yes, the domain will need to be privileged. XSM hooks exist to reduce the privileges granted to the guest, so it does not need to be equal to dom0. Since PV domains can already make this hypercall, there's no reason not to allow HVM domains to do the same. -- Daniel De Graaf National Security Agency _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel |
| <Prev in Thread] | Current Thread | [Next in Thread> |
|---|---|---|
| ||
| Previous by Date: | Re: [Xen-devel] [PATCH, RFC] Add sysctl to HVM hypercall table, Keir Fraser |
|---|---|
| Next by Date: | Re: [Xen-devel] xen 4 only seeing one keyboard and mouse, M A Young |
| Previous by Thread: | Re: [Xen-devel] [PATCH, RFC] Add sysctl to HVM hypercall table, Keir Fraser |
| Next by Thread: | [Xen-devel] [PATCH 00/16] Nested virtualization for VMX, Qing He |
| Indexes: | [Date] [Thread] [Top] [All Lists] |
