On 15.11.2019 12:29, George Dunlap wrote:
On 11/15/19 11:17 AM, Andreas Kinzler wrote:
I do not understand a central point: No matter why and/or how a fake
topology is presented by Xen, why did the older generation Ryzen 2xxx
work and Ryzen 3xxx doesn't? What is the change in AMD(!) not Xen that
causes the one to work and the other to fail?
The CPU features that the guest sees are a mix of the real underlying
features and changes made by Xen. Xen and/or the hardware will behave
Why not analyze the bits in detail? I already posted the complete CPUID
for 3700X
(https://lists.xenproject.org/archives/html/xen-devel/2019-09/msg02189.html).
@Steven:
> If this is helpful, I can probably provide the same from:
> * Ryzen 2700x
> * Ryzen 3900x
Can you post for 2700X?
Then someone with detailed knowledge could compare the two?
Regards Andreas
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