[OE-core] [PATCH resend] qemuboot.conf: make cpus match built artifacts

[Martin Kelly]

On 04/25/2018 04:11 PM, Martin Jansa wrote:
> There are actually 3 we need to consider for lowest common denominator.
> 
> The one we build for, the one we build on and the one where we will run 
> the qemu in the end.
> 
> I mean the core2duo is probably best match for core2-64 DEFAULT used by 
> qemux86-64 MACHINE. But it's not good match to emulate with QEmu and KVM 
> enabled on the host like my.
> 
> It's easy to work around this, we probably don't need to change the 
> default values, but it would be good to document this case and how to 
> override QB_CPU_KVM if your host doesn't match the features of core2duo.
> 

Agreed. I just sent a patch to yocto-docs to add some documentation for 
this.