2017-11-08 14:24:36

by Boris Ostrovsky

[permalink] [raw]
Subject: Re: [Xen-devel] [PATCH 3/3] x86/xen: use guest_late_init to detect Xen PVH guest

On 11/08/2017 09:17 AM, Juergen Gross wrote:
> On 08/11/17 15:10, Boris Ostrovsky wrote:
>> On 11/08/2017 08:36 AM, Juergen Gross wrote:
>>> Regarding ACPI tables: current PVH implementation in Linux kernel
>>> seems not to make use of the special information presented in the boot
>>> information block.
>> It will need to do so for dom0 (and, then, for simplicity, for all PVH
>> guests).
> What about: for all PVH guests booted via the PVH specific boot entry?
> A guest booted via the default boot entry won't know it is PVH until
> ACPI tables have been scanned.

Right. Guest booted from default entry will have to discover RSDP in the
usual way.

-boris

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