Re: [RFC PATCH] tests/qtest/migration: Add cpu hotplug test

[Fabiano Rosas]

Igor Mammedov <imammedo@redhat.com> writes:

> On Mon, 13 Jan 2025 18:08:33 -0300
> Fabiano Rosas <farosas@suse.de> wrote:
>
>> Bug #2594 is about a failure during migration after a cpu hotplug. Add
>> a test that covers that scenario. Start the source with -smp 2 and
>> destination with -smp 3, plug one extra cpu to match and migrate.
>
> -smp on target should be the same as on source.
> Instead use '-device hotplugged_cpu' with the same args as
> in used device_add on target, to account for an extra cpu

Thanks, I've seen your suggestion in the RHEL bug and recommended that
to be used in the upstream bug. The reporter confirms it works.