Which kernel for dom0 with pv_ops

Which kernel for dom0 with pv_ops

[Marek Marczykowski]

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Hello,

I'm trying to prepare new kernel for Qubes OS. Which version should I
use? The main goal is to use as new as possible kernel (for new hardware
support) and pv_ops. Required functionality:
 - dom0 :)
 - netback
 - netfront
 - blkback
 - pciback

Nice to see also pvusb-back.

Same question for domU, but here I suppose that vanilla 2.6.39 will do
the work. Required functionality:
 - netfront
 - netback (!)
 - pcifront
 - (optional) pvusb-front

Is there any git tree containing all of above? Or maybe I should use
some additional patches (from where?)?

I guess that for dom0 the best choice is Konrad's repo, branch
linux-next, right? But there is no PCI backend driver and maybe more...


For now, I use xen 4.0.1 as stable in Fedora 14. Is newer version
required for some of above to work properly?

-- 
Pozdrawiam / Best Regards,
Marek Marczykowski         | RLU #390519
marmarek at mimuw edu pl   | xmpp:marmarek at staszic waw pl


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Re: Which kernel for dom0 with pv_ops

[Pasi Kärkkäinen]

On Fri, Apr 15, 2011 at 04:14:56PM +0200, Marek Marczykowski wrote:
> Hello,
> 
> I'm trying to prepare new kernel for Qubes OS. Which version should I
> use? The main goal is to use as new as possible kernel (for new hardware
> support) and pv_ops. Required functionality:
>  - dom0 :)
>  - netback
>  - netfront
>  - blkback
>  - pciback
> 
> Nice to see also pvusb-back.
> 

pvusb port to pvops 2.6.32 was posted here:
http://lists.xensource.com/archives/html/xen-devel/2011-01/msg00354.html
http://members.iinet.net.au/~nathanael/pvusb.diff

> Same question for domU, but here I suppose that vanilla 2.6.39 will do
> the work. Required functionality:
>  - netfront
>  - netback (!)
>  - pcifront
>  - (optional) pvusb-front
> 

Someone should upstream pvusb patches.. both usbfront and usbback.


> Is there any git tree containing all of above? Or maybe I should use
> some additional patches (from where?)?
> 
> I guess that for dom0 the best choice is Konrad's repo, branch
> linux-next, right? But there is no PCI backend driver and maybe more...
> 

I think for dom0 you should use Jeremy's xen.git xen/stable-2.6.32.x

> 
> For now, I use xen 4.0.1 as stable in Fedora 14. Is newer version
> required for some of above to work properly?
> 

Note that xl/libxl toolstack in Xen 4.1 does NOT have pvusb or pvscsi support (yet).
Feel free to send patches :)

-- Pasi

Re: Which kernel for dom0 with pv_ops

[Joanna Rutkowska]

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On 04/15/11 16:14, Marek Marczykowski wrote:
> Hello,
> 
> I'm trying to prepare new kernel for Qubes OS. Which version should I
> use? The main goal is to use as new as possible kernel (for new hardware
> support) and pv_ops. Required functionality:
>  - dom0 :)
>  - netback

Actually we don't need netback for Dom0.

>  - netfront
>  - blkback
>  - pciback
> 
> Nice to see also pvusb-back.
> 

Generally, we would like to use either 2.6.38 or 2.6.39 with any
required patches to bring blk and pci backends.

> Same question for domU, but here I suppose that vanilla 2.6.39 will do
> the work. Required functionality:
>  - netfront
>  - netback (!)
>  - pcifront
>  - (optional) pvusb-front
> 
> Is there any git tree containing all of above? Or maybe I should use
> some additional patches (from where?)?
> 
> I guess that for dom0 the best choice is Konrad's repo, branch
> linux-next, right? But there is no PCI backend driver and maybe more...
> 
> 
> For now, I use xen 4.0.1 as stable in Fedora 14. Is newer version
> required for some of above to work properly?
> 

Thanks,
joanna.


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Re: Re: Which kernel for dom0 with pv_ops

[Konrad Rzeszutek Wilk]

> > Is there any git tree containing all of above? Or maybe I should use
> > some additional patches (from where?)?

So pcifront, netfront, etc, are in the upstream kernel. So it netback in 2.6.39.

> > 
> > I guess that for dom0 the best choice is Konrad's repo, branch
> > linux-next, right? But there is no PCI backend driver and maybe more...

I stuck it in devel/next-2.6.3[8,9].

> > 
> > 
> > For now, I use xen 4.0.1 as stable in Fedora 14. Is newer version
> > required for some of above to work properly?

Should not matter. I've been using CentOS 5.5,FC 13, FC 14, and Ubuntu 10.10
with success.