[Xen-devel] [RFC PATCH 0/15]: PVH xen: Patches for PVH guests

[Mukesh Rathor <mukesh.rathor@xxxxxxxxxx>]

Hi All,

I'm excited (and a bit nervous) to finally submit xen PVH patches for
your input. This is Phase I.  Kindly ignore the 'noinline' for now, it
helps me debug. Of course, in the final patches that won't be there.

Phase I:
   - Establish a baseline of something working. These patches allow for 
     dom0 to be booted in PVH mode, and after that guests to be started
     in PV, PVH, and HVM modes. I also tested booting dom0 in PV mode, and
     starting PV, PVH, and HVM guests.

     There are few fixme's that I thought we could punt to Phase II. 

     Also, the disk must be specified as phy: in vm.cfg file:
         > losetup /dev/loop1 guest.img
         > vm.cfg file: disk = ['phy:/dev/loop1,xvda,w']

     I've not tested anything else.

Phase II:
   - Shutdown cleanup. I need to look at shutdown path during dom0 reboot.
   - arch_get_info_guest() and other fixmes.
   - Change xl to support other modes other than "phy:".

Phase III:
   - Migration, shadow code. I've skipped shadow code for now.

Thanks for all the help,
Mukesh

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