Il 26/02/2014 15:42, Christian Borntraeger ha scritto:
On 24/02/14 22:30, Matthew Rosato wrote:
This patchset adds support in s390 for a pool of standby memory,
which can be set online/offline by the guest (ie, via chmem).
New options, maxmem and slots, are added to the QEMU command line
memory parameter to specify the total amount of memory available
to the guest as well as the number of memory slots available.
As part of this work, additional results are provided for the
Read SCP Information SCLP, and new implentation is added for the
Read Storage Element Information, Attach Storage Element,
Assign Storage and Unassign Storage SCLPs, which enables the s390
guest to manipulate the standby memory pool.
Looks like Paolo will apply Igors latest patches to the numa branch,
I will defer patches 3-5 until Igors patches hit qemu master.
What are the dependencies of these series? I can include it in my queue if:
(a) you give me your Acked-by
(b) Igor reviews it and tells me if this is the right version of his
patch "extend -m option to support options for memory hotplug"
Paolo
Christian
This patchset is based on work originally done by Jeng-Fang (Nick)
Wang.
This patchset has been built to apply on the s390-next tree at:
git://github.com/borntraeger/qemu.git s390-next
Changes for v2:
* Removed the patch that introduced the standby-mem operand and
instead included Igor Mammedov's patches that add the mem-opts
'maxmem' and 'slots', with a slight modification due to the removal
of qemu_opts_create_nofail.
* Patch 3 was inserted to add a new qom object that encapsulate variables
used by s390 memory hotplug. Patches 4 and 5 adjusted to use this
object.
* Added additional code comments and other minor changes per Alexander
Graf's comments
Igor Mammedov (2):
vl: convert -m to QemuOpts
vl.c: extend -m option to support options for memory hotplug
Matthew Rosato (3):
sclp-s390: Add device to manage s390 memory hotplug
virtio-ccw: Include standby memory when calculating storage increment
sclp-s390: Add memory hotplug SCLPs
hw/s390x/s390-virtio-ccw.c | 42 +++++--
hw/s390x/sclp.c | 276 ++++++++++++++++++++++++++++++++++++++++++--
include/hw/s390x/sclp.h | 19 +++
qemu-options.hx | 10 +-
target-s390x/cpu.h | 18 +++
target-s390x/kvm.c | 5 +
vl.c | 98 ++++++++++++++--
7 files changed, 440 insertions(+), 28 deletions(-)
