Re: [Xen-devel] [PATCH v1 02/12] xen/hvmlite: Factor out common kernel init code

[Boris Ostrovsky <boris.ostrovsky@xxxxxxxxxx>]

On 01/25/2016 06:04 AM, David Vrabel wrote:
> On 22/01/16 21:35, Boris Ostrovsky wrote:
> > HVMlite guests (to be introduced in subsequent patches) share most
> > of the kernel initialization code with PV(H).
> Where possible, HVMlite should share initialization with bare metal/HVM
> and not PV(H).
This is really platform initialization, for HVMlite it's invoked as 
x86_init.oem.arch_setup(). Things like xen_setup_features(), 
xen_init_apic() etc.
I suppose I can move it to xen_hvm_guest_init() but then we will have 
some amount of code duplication. There is also a chunk of code there (in 
xen_init_kernel()) that will probably be used for HVMlite dom0.
> Sharing any code with the existing PVH code isn't useful, since PVH
> support will be removed.
There is nothing PVH-specific, I said "(H)" mostly because that code is 
the same is PV.
-boris


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