Re: -cpu max and tcg

[Harold Grovesteen]

So while running on my Intel system, I will always be using TCG and I
do not need to put it in the command line.  Yes?

Harold

On Sat, 2022-12-10 at 13:50 +0100, Thomas Huth wrote:
> On 09/12/2022 19.53, Harold Grovesteen wrote:
> > Thank you, Thomas.
> > 
> > When you say that -cpu max enables the facilities, does that mean
> > they
> > can be used by the guest?
> 
> Yes, the facilities that are available with emulation can be used by
> the 
> guest, of cours.
> 
> > I have not explicitly enabled TCG.  Does enabling TCG effect what
> > is
> > available to the guest?  It sounds like it might limit guest use
> > compared to no TCG.  Just trying to understand the relationships.
> 
> TCG = Tiny Code Generator. It's the JIT CPU emulation of QEMU. It's
> enabled 
> by default, so unless you specified "-accel kvm" you are using TCG.
> KVM can 
> only be used on real s390x hardware.
> 
>   Thomas
> 
>