Re: [PATCH 00/25] xen: Xen implementation for paravirt_ops

Andi Kleen
2007-04-23T22:50:13Z

On Monday 23 April 2007 23:56:38 Jeremy Fitzhardinge wrote:
> Hi Andi,
>
> It applies to 2.6.21-rc7 + your patches + the last batch of pv_ops
> patches

I got most of those except for the broken sched_clock change.

> I posted.

How much testing outside Jeremylabs has it gotten? Some beta
testing before merging would be good, otherwise we'll just have
a flood of fixes shortly when it is exposed to users.

> This patch generally restricts itself to Xen-specific parts of the tree,
> though it does make a few small changes elsewhere.

The general problem is that it is much more than just an architecture update.

> These patches include:
> - some helper routines for allocating address space and walking pagetables

Needs review from mm people.

> - Xen interface header files
> - Core Xen implementation
> - Efficient late-pinning/early-unpinning pagetable handling

The number of new paravirt hooks makes me thing of renaming it to
everything_ops @|

> - Virtualized time, including stolen time

Can you let it be reviewed by the time people? (Thomas, Ingo, John, Roman etc.)

> - SMP support
> - Preemption support
> - Batched pagetable updates

> - Xen console, based on hvc console
> - Xenbus

That one would need to be reviewed first. It's so much code that I can't
do it all myself.

> - Netfront, the paravirtualized network device

That one should go through the network device maintainer/netdev.

> - Blockfront, the paravirtualized block device

And that needs a block device review and whoever maintains that (Jens?)

-Andi