Re: [Xen-users] Running native OS

[Asim <linkasim@xxxxxxxxx>]

Thank you everyone for your replies.

Regards,
Asim

On Thu, Jan 8, 2009 at 2:57 PM, Grant McWilliams
<grantmasterflash@xxxxxxxxx> wrote:
> On Thu, Jan 8, 2009 at 3:09 AM, Pasi Kärkkäinen <pasik@xxxxxx> wrote:
>>
>> On Thu, Jan 08, 2009 at 01:29:33AM -0200, Thiago Camargo Martins Cordeiro
>> wrote:
>> > Yes, it's possible but, PVM is much more fast than HVM!
>> > Moreover, Linux from kernel.org already have native support to run has a
>> > guest OS on Xen, so, if you want to run a native Linux, just compile the
>> > brand new 2.6.28 with Xen guest support enabled and boot it on your
>> > dom0...   ;-)
>> >
>>
>> Linux 2.6.28 does NOT have Xen dom0 support.
>> Linux 2.6.28 only has pv_ops based Xen domU support.
>>
>> pv_ops Xen dom0 support is currently under development and not yet ready.
>>
>> See: http://wiki.xensource.com/xenwiki/XenParavirtOps
>>
>> HVM guests (using hardware virtualization, Intel VT, AMD SVM) are slower
>> than paravirtualized
>> (PV) guests, because they require _emulation_ for the unmodified OS to
>> work.
>>
>> -- Pasi
>>
>> > Regards,
>> > Thiago
>> >
>> > 2009/1/7 Asim <linkasim@xxxxxxxxx>
>> >
>> > > Hi,
>> > >
>> > > I have used xen using PV. I recently got my hands on vt hardware and
>> > > would like to run a native Linux OS and kernel on it. Is it possible?
>> > > Is there any link which details the steps to run native OS. The
>> > > default installation tries to pull its own kernel and build it.
>> > >
>> > > Regards,
>> > > Asim
>> > >
>>
>> _
>
> The statement that Thiago said is still true though but if someone didn't
> know better they may read it differently. The new kernels do have Xen
> support but only for DomUs. I think they're shooting for 2.6.29 or 2.6.30
> for Dom0 support? I run all my Xen installations on the CentOS kernel which
> is old but rock solid. For those who need newer kernels they need to go to
> Suse or Ubuntu I believe or their stuck for now.
>
>
> Grant McWilliams
>
> Some people, when confronted with a problem, think "I know, I'll use
> Windows."
> Now they have two problems.
>
>

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