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Message-ID: <1427737006-23191-1-git-send-email-mst@redhat.com>
Date: Mon, 30 Mar 2015 19:37:08 +0200
From: "Michael S. Tsirkin" <mst@...hat.com>
To: linux-kernel@...r.kernel.org
Cc: virtio-dev@...ts.oasis-open.org,
virtualization@...ts.linux-foundation.org,
Rusty Russell <rusty@...tcorp.com.au>
Subject: [PATCH 0/6] virtio_balloon: virtio 1 support
Virtio 1.0 doesn't include a modern balloon device.
At some point we'll likely define an incompatible interface with a different
ID. But for now, it's not a big change to support a transitional balloon
device: this has the advantage of supporting existing drivers, transparently.
The only issue is with the stats buffer, which has misaligned fields.
Seems easy to fix by prepending a 6 byte reserved field.
I'll post spec patch and qemu patches shortly.
Michael S. Tsirkin (6):
virtio_balloon: transitional interface
virtio: balloon might not be a legacy device
virtio_ccw: support non-legacy balloon devices
virtio_mmio: support non-legacy balloon devices
virtio_pci: support non-legacy balloon devices
virtio: drop virtio_device_is_legacy_only
include/linux/virtio.h | 2 --
include/uapi/linux/virtio_balloon.h | 6 ++++++
drivers/s390/kvm/virtio_ccw.c | 10 +++-------
drivers/virtio/virtio.c | 6 ------
drivers/virtio/virtio_balloon.c | 8 ++++++--
drivers/virtio/virtio_mmio.c | 8 --------
drivers/virtio/virtio_pci_modern.c | 3 ---
7 files changed, 15 insertions(+), 28 deletions(-)
--
MST
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