Re: [Xen-devel] FreeBSD PVH guest support

[Roger Pau Monné <roger.pau@xxxxxxxxxx>]

On 07/11/13 19:10, Roger Pau Monné wrote:
> On 28/10/13 14:35, Roger Pau Monné wrote:
>> Hello,
>>
>> The Xen community is working on a new virtualization mode (or maybe I 
>> should say an extension of HVM) to be able to run PV guests inside HVM 
>> containers without requiring a device-model (Qemu). One of the 
>> advantages of this new virtualization mode is that now it is much more 
>> easier to port guests to run under it (as compared to pure PV guests).
>>
>> Given that FreeBSD already supports PVHVM, adding PVH support is quite 
>> easy, we only need some glue for the PV entry point and then support 
>> for diverging some early init functions (like fetching the e820 map or 
>> starting the APs).
>>
>> The attached patch contains all this changes, and allows a SMP FreeBSD 
>> guest to fully boot (and AFAIK work) under this new PVH mode. The patch 
>> can also be found on my git repo:
>>
>> git://xenbits.xen.org/people/royger/freebsd.git pvh_v2
>>
>> The patch touches quite a lot of the early init, so I've Cced the 
>> persons that maintain those areas, so they can review it.
>>
>> In order to test it, and since the PVH changes are not yet merged into 
>> upstream Xen, the use of a patched Xen is necessary. I've collected the 
>> patches for PVH guest support from George Dunlap (v13) and fixed some 
>> bugs on top of them, the tree can be found at:
>>
>> git://xenbits.xen.org/people/royger/xen.git fix_pvh
> 
> I've updated the patch (as suggested by John Baldwin) and added a Xen
> Nexus, that attaches all the Xen top-level devices, this gets rid of the
> legacy bus.
> 
> The new patch can be found at:
> 
> git://xenbits.xen.org/people/royger/freebsd.git pvh_v2

The correct branch is pvh_v3, not pvh_v2:

http://xenbits.xen.org/gitweb/?p=people/royger/freebsd.git;a=shortlog;h=refs/heads/pvh_v3


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