Re: [Qemu-devel] [PATCH v1 08/11] s390x: allow only 1 CPU with TCG

[Thomas Huth]

On 30.08.2017 19:05, David Hildenbrand wrote:
> Specifying more than 1 CPU (e.g. -smp 5) leads to SIGP errors (the
> guest tries to bring these CPUs up but fails), because we don't support
> multiple CPUs on s390x under TCG.
> 
> Let's bail out if more than 1 are specified, so we don't raise people's
> hope.

Aurelien recently posted a patch to add that basic SIGP support:

 https://patchwork.kernel.org/patch/9717489/

I think it would make more sense to get that included instead.

 Thomas