Re: [Qemu-devel] [PATCH] target-i386: Allow changing of Hypervisor CPUIDs.

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On 09/06/12 14:40, Eduardo Habkost wrote:
On Thu, Sep 06, 2012 at 12:28:05PM +0200, Andreas Färber wrote:
Am 30.08.2012 21:20, schrieb Don Slutz:
This is primarily done so that the guest will think it is running
under vmware when hypervisor=vmware is specified as a property of a
cpu.

Also allow this to work in accel=tcg mode.

The new cpu properties hyper_level, hyper_extra, hyper_extra_a, and
hyper_extra_b can be used to further adjust what the guest sees.

Signed-off-by: Don Slutz <Don@xxxxxxxxxxxxxxx>
---
  target-i386/cpu.c |  178 +++++++++++++++++++++++++++++++++++++++++++++++++++++
  target-i386/cpu.h |    9 +++
  target-i386/kvm.c |   33 ++++++++--
  3 files changed, 214 insertions(+), 6 deletions(-)
Please don't add new CPU command line options without matching QOM
properties. There are patch series in the works that convert the CPU
definitions to QOM subclasses, the parameters then need to be set on the
X86CPU object instance.
I found:
http://lists.gnu.org/archive/html/qemu-devel/2012-08/msg00587.html

Is this the right set?
It seems to be a good idea to wait for the CPU properties series from
Igor to be applied, before implementing this. It should make the new
code much simpler.
So Igor has a patch set that does a similar change like above. I so far have not found it on QEMU-DEVEL. Please provide a pointer to this patch set.

Note that the convention for QOM properties is
descriptive-name-with-dashes rather than shortened_abbrev_with_underscore.

I will be re-working this change, and wait (for v2) until master has changed to the new way.
   -Don
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