Commit Graph

3 Commits

Author SHA1 Message Date
Laurent Vivier
be2960baae cpu: don't allow negative core id
With pseries machine type a negative core-id is not managed properly:
-1 gives an inaccurate error message ("core -1 already populated"),
-2 crashes QEMU (core dump)

As it seems a negative value is invalid for any architecture,
instead of checking this in spapr_core_pre_plug() I think it's better
to check this in the generic part, core_prop_set_core_id()

Signed-off-by: Laurent Vivier <lvivier@redhat.com>
Message-Id: <20170802103259.25940-1-lvivier@redhat.com>
Reviewed-by: Greg Kurz <groug@kaod.org>
Reviewed-by: David Gibson <david@gibson.dropbear.id.au>
Reviewed-by: Eduardo Habkost <ehabkost@redhat.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
2017-08-02 18:30:13 -03:00
Thomas Huth
ba31cc7226 Introduce DEVICE_CATEGORY_CPU for CPU devices
Now that CPUs show up in the help text of "-device ?",
we should group them into an appropriate category.

Signed-off-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Eduardo Habkost <ehabkost@redhat.com>
Message-Id: <1484917276-7107-1-git-send-email-thuth@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2017-01-27 18:07:31 +01:00
Bharata B Rao
f1020c2c26 cpu: Abstract CPU core type
Add an abstract CPU core type that could be used by machines that want
to define and hotplug CPUs in core granularity.

Signed-off-by: Bharata B Rao <bharata@linux.vnet.ibm.com>
Signed-off-by: Igor Mammedov <imammedo@redhat.com>
               [Integer core property]
Reviewed-by: David Gibson <david@gibson.dropbear.id.au>
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
[dwg: changed property names to 'core-id' and 'nr-threads']
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2016-06-17 16:33:48 +10:00