Re: [Xen-devel] [PATCH v2 00/21] x86/xen: untangle PV and PVHVM guest support code

From: Vitaly Kuznetsov
Date: Mon Mar 13 2017 - 09:03:01 EST

Boris Ostrovsky <boris.ostrovsky@xxxxxxxxxx> writes:

> On 03/02/2017 12:53 PM, Vitaly Kuznetsov wrote:
>> Changes since v1:
>> - Patches 1,2 and 3 were split and reordered to avoid adding temporary
>> #ifdefs [Juergen Gross]
>> - Juergen's R-b added to what is now patches 14 and 15 (patches 4 and 5
>> in v1). Due to re-ordering there are some tiny diffrences but I opted
>> for keeping the tag.
>> Some patches are known to produce WARNINGS and a couple of
>> ERRORs, I fixed a few (mostly in _hvm* code I split) and I refrained from
>> fixing the rest to make it easier to review. I think that we may leave PV
>> code as it is as sooner or later it will go away.
>> Original description:
>> I have a long-standing idea to separate PV and PVHVM code in kernel and
>> introduce Kconfig options to make it possible to enable the required
>> parts only breaking the current 'all or nothing' approach.
> I tried applying this to mainline and it failed at some point. Is
> there a branch i can pull from?

Sorry for the delayed response, I was on vacation last week.

Just pushed this series to github, you can pull it from (xen_pv_hvm_split_v2 branch)

I'll be rebasing and addressing Juergen's and kbuild's comments this