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Re: [Xen-devel] [PATCH 4/4] hvmloader: add support to load extra ACPI tables from qemu
- To: "Xiao Guangrong" <guangrong.xiao@xxxxxxxxxxxxxxx>
- From: "Jan Beulich" <JBeulich@xxxxxxxx>
- Date: Thu, 21 Jan 2016 01:53:14 -0700
- Cc: Haozhong Zhang <haozhong.zhang@xxxxxxxxx>, Kevin Tian <kevin.tian@xxxxxxxxx>, Wei Liu <wei.liu2@xxxxxxxxxx>, Ian Campbell <ian.campbell@xxxxxxxxxx>, Stefano Stabellini <stefano.stabellini@xxxxxxxxxxxxx>, Andrew Cooper <andrew.cooper3@xxxxxxxxxx>, Ian Jackson <ian.jackson@xxxxxxxxxxxxx>, xen-devel@xxxxxxxxxxxxx, Jun Nakajima <jun.nakajima@xxxxxxxxx>, Keir Fraser <keir@xxxxxxx>
- Delivery-date: Thu, 21 Jan 2016 08:53:30 +0000
- List-id: Xen developer discussion <xen-devel.lists.xen.org>
>>> On 21.01.16 at 09:25, <guangrong.xiao@xxxxxxxxxxxxxxx> wrote:
> On 01/21/2016 04:18 PM, Jan Beulich wrote:
>> Yes. But then - other than you said above - it still looks to me as
>> if the split between PMEM and PBLK is arranged for by firmware?
>
> Yes. But OS/Hypervisor is not excepted to dynamically change its configure
> (re-split),
> i,e, for PoV of OS/Hypervisor, it is static.
Exactly, that has been my understanding. And hence the PMEM part
could be under the hypervisor's control, while the PBLK part could be
Dom0's responsibility.
Jan
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