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Re: [PATCH 0/8] xen: add pvh guest support

From: Juergen Gross
Subject: Re: [PATCH 0/8] xen: add pvh guest support
Date: Tue, 9 Oct 2018 11:35:28 +0200
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.0

On 15/02/2018 13:02, Daniel Kiper wrote:
> Hi Juergen,
> Sorry for huge delay. It looks that I am recovering slowly and
> probably I will have more time for reviews.
> On Wed, Nov 29, 2017 at 02:46:42PM +0100, Juergen Gross wrote:
>> This patch series adds support for booting Linux as PVH guest.
>> Similar to i386/xen and x86_64/xen platforms the new i386/xenpvh
>> platform grub is booted as a standalone image directly by Xen.
>> For booting Linux kernel it is using the standard linux kernel
>> loader. The only modification of the linux loader is to pass the
>> ACPI RSDP address via boot parameters to the kernel, as that table
>> might not be located at the usual physical address just below 1MB.
> AIUI PVH is quite generic idea and can be implemented by different
> virtualization platforms. IIRC Maran Wilson works on PVH for KVM.
> So, would not it make more sense to have platform independent GRUB2
> PVH code and then on top of that build Xen and KVM support? Could
> you do that?

Finally I have some time to work on this series again.

I don't think this makes sense now for the following reasons:

- Maran's series is stalled
- The main work is hypervisor specific and I have no idea right now
  what would be needed for KVM
- Maran's series was targeted for a quick boot of the kernel right
  from qemu without any other boot loader


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