Re: [Qemu-devel] [PATCH 0/5] Extend TPM support with a QEMU-external TPM

[Stefan Berger <stefanb@linux.vnet.ibm.com>]

On 05/04/2015 10:50 PM, Kevin O'Connor wrote:
> On Mon, May 04, 2015 at 11:41:54PM +0200, Igor Mammedov wrote:
>> It's not really split implementation, it's installing an additional
>> table which is purely SeaBIOS specific since QEMU doesn't care about
>> PPID data at all nor does it need to do so.
> If both SeaBIOS and QEMU provide acpi tables, it can lead to
> confusion.  For example, if seabios adds tables, what acpi version
> should go into the acpi table header, if Windows BSODs what project
> should the bug report go to, how do we ensure no namespace collisions
> between SSDTs, etc.
>
> So, it's technically not difficult, but the support is painful.
>
>> But I'm fine with paravirt implementation if above is considered too
>> hard to implement. If you go this route look at build_ssdt() in QEMU
>> and a new aml_*() API that helps to create AML objects dynamically.
> I think this approach is simpler all around.

I did that now and will repost the series here and those for SeaBIOS.

    Stefan