Re: [Xen-devel] [PATCH] hvmloader: write extra memory in CMOS

["Jan Beulich" <JBeulich@xxxxxxxx>]

>>> On 12.11.13 at 14:39, Wei Liu <wei.liu2@xxxxxxxxxx> wrote:
> On Tue, Nov 12, 2013 at 01:21:36PM +0000, Jan Beulich wrote:
>> >>> On 12.11.13 at 13:37, Wei Liu <wei.liu2@xxxxxxxxxx> wrote:
>> > However in some CMOS maps I found those bytes are marked as reserved.
>> 
>> Exactly. The question is whether some _other_ BIOSes then use
>> these register for other purposes...
>> 
> 
> So I think now the solution is to make this code OVMF only, are you fine
> with this?

Yes, provided you widen the location to at least 4 bytes.

Jan


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