Re: [Xen-devel] Future of xenbits Linux trees

[Andrew Lyon <andrew.lyon@xxxxxxxxx>]

On Thu, Jun 4, 2009 at 4:45 PM, Keir Fraser <keir.fraser@xxxxxxxxxxxxx> wrote:
> Folks,
>
> With 3.4 out the door it is time to revisit the state of our Linux
> repositories. Currently we have a number of trees in various states of
> maintenance:
>  - linux-2.6.18-xen.hg: the 'original' tree. Still maintained, used and
> tested but increasingly long in the tooth.
>  - ext/linux-2.6.27-xen.hg: a snapshot of opensuse's kernel port. This
> clones tree is not maintained or tested.
>  - XCI/linux-2.6.27.git: a forward port of the Xen patches to 2.6.27.
> Maintained as part of XCI project.
>  - Jeremy's pv_ops patches against kernel.org: maintained, (somewhat)
> tested, but incomplete.
>
> It is probably time to kill the 2.6.18 tree, or at least stop active
> development within it. It is increasingly a kludged collection of backports
> of more recent kernel patches, and is also missing a lot of drivers for more
> modern hardware.
>
> Our proposal is to move XCI's linux-2.6.27 tree out of the XCI subproject
> and make it the main user tree. Development and automated testing would
> occur on that tree and of course on Jeremy's pv_ops patchset (which we want
> to completely move onto at some point in the future).
>
> What do people think of this as a plan?
>
>  -- Keir

I think 2.6.27 is already out of date and you should start with 2.6.29
using my rebased patches, people have been using them since I did
2.6.25 and 2.6.29 is the most stable one yet, as Boris said in another
thread the xenbits 2.6.27 tree does not shutdown cleanly but 2.6.29
does, I'm sure that could be fixed but right now I dont know of any
issues with 2.6.29 at all, so why not make the jump to the current
stable kernel :).

XCI should update to 2.6.29 as well.

I use pci passthrough with a pci express usb2 card, I also use scsi
passthrough with a ultrium tape drive, usually running several windows
hvm's and a couple of 2.6.29 pv domU's as well, no problems.

Andy

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