[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [Xen-devel] [RFC 0 PATCH 3/3] PVH dom0: construct_dom0 changes
On 10/08/2013 09:03 AM, Jan Beulich wrote: On 08.10.13 at 09:51, "Jan Beulich" <JBeulich@xxxxxxxx> wrote:And just to be clear - _any_ of the "fixme"s we intend to allow to go in with this series is a compromise already, with - afaict - no precedent. The more you ask for, the more likely it'll become for at least me to start re-thinking about this. Over the past years I think we made good progress in morphing Xen from an experimental project to a stable, enterprise ready one. I'm not eager to see us get pushed back significantly on that road.Considering the thread we're in - perhaps before adding Dom0 support with more hacks/fixme-s it would be more appropriate to eliminate all the ones in the current pending series? Question to both of you: What's the status of this anyway? If I'm not mistaken there was (on IRC) talk of a regression the latest series caused for HVM guests? Was this already sorted out? Is there going to be an updated series getting us reasonably close to finally get this in? Right now I've had to put PVH on the back burner: I've got a talk for LinuxCon EU to prepare, and two for XenSummit. There are two bugs that have been identified -- the HVM crash due to a mistake in one of the "code motion" patches, and the bug with setting VMXE in the guest CR. Tim has also noticed another functional change in the code-motion patch (which cannot, I think, be causing the HVM crash). If it were just a question of cleaning up those bits, I could probably have another draft posted sometime this week. But if we're stepping back and looking at whether this is the right approach, or whether something like Tim has suggested -- basically making PVH to be HVM minus qemu plus a handful of hypercalls, and most of the changes in the domain builder rather than in Xen -- that will take a bit longer, particularly because it would probably mean me having to understand and modify the Linux side of things as well. At this point I'm not really sure what the best approach is going forward. -George _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxx http://lists.xen.org/xen-devel
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