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[Qemu-devel] [PATCH v2 4/5] virtio-balloon: Add exit handler, fix memlea
From: |
Amit Shah |
Subject: |
[Qemu-devel] [PATCH v2 4/5] virtio-balloon: Add exit handler, fix memleaks |
Date: |
Thu, 28 Jul 2011 11:47:15 +0530 |
Add an exit handler that will free up RAM and unregister the savevm
section after a virtio-balloon device is unplugged.
Signed-off-by: Amit Shah <address@hidden>
---
hw/virtio-balloon.c | 5 +++++
hw/virtio-pci.c | 11 ++++++++++-
hw/virtio.h | 1 +
3 files changed, 16 insertions(+), 1 deletions(-)
diff --git a/hw/virtio-balloon.c b/hw/virtio-balloon.c
index 26ee364..0ce0049 100644
--- a/hw/virtio-balloon.c
+++ b/hw/virtio-balloon.c
@@ -297,3 +297,8 @@ VirtIODevice *virtio_balloon_init(DeviceState *dev)
return &s->vdev;
}
+
+void virtio_balloon_exit(VirtIODevice *vdev)
+{
+ virtio_cleanup(vdev);
+}
diff --git a/hw/virtio-pci.c b/hw/virtio-pci.c
index ca5f125..316bf92 100644
--- a/hw/virtio-pci.c
+++ b/hw/virtio-pci.c
@@ -795,6 +795,15 @@ static int virtio_balloon_init_pci(PCIDevice *pci_dev)
return 0;
}
+static int virtio_balloon_exit_pci(PCIDevice *pci_dev)
+{
+ VirtIOPCIProxy *proxy = DO_UPCAST(VirtIOPCIProxy, pci_dev, pci_dev);
+
+ virtio_pci_stop_ioeventfd(proxy);
+ virtio_balloon_exit(proxy->vdev);
+ return virtio_exit_pci(pci_dev);
+}
+
static PCIDeviceInfo virtio_info[] = {
{
.qdev.name = "virtio-blk-pci",
@@ -869,7 +878,7 @@ static PCIDeviceInfo virtio_info[] = {
.qdev.alias = "virtio-balloon",
.qdev.size = sizeof(VirtIOPCIProxy),
.init = virtio_balloon_init_pci,
- .exit = virtio_exit_pci,
+ .exit = virtio_balloon_exit_pci,
.vendor_id = PCI_VENDOR_ID_REDHAT_QUMRANET,
.device_id = PCI_DEVICE_ID_VIRTIO_BALLOON,
.revision = VIRTIO_PCI_ABI_VERSION,
diff --git a/hw/virtio.h b/hw/virtio.h
index 0fd0bb0..c129264 100644
--- a/hw/virtio.h
+++ b/hw/virtio.h
@@ -213,6 +213,7 @@ VirtIODevice *virtio_9p_init(DeviceState *dev, V9fsConf
*conf);
void virtio_net_exit(VirtIODevice *vdev);
void virtio_blk_exit(VirtIODevice *vdev);
void virtio_serial_exit(VirtIODevice *vdev);
+void virtio_balloon_exit(VirtIODevice *vdev);
#define DEFINE_VIRTIO_COMMON_FEATURES(_state, _field) \
DEFINE_PROP_BIT("indirect_desc", _state, _field, \
--
1.7.6
- [Qemu-devel] [PATCH v2 0/5] balloon: fix memleaks, invalid arguments, unplug, Amit Shah, 2011/07/28
- [Qemu-devel] [PATCH v2 1/5] balloon: Don't allow multiple balloon handler registrations, Amit Shah, 2011/07/28
- [Qemu-devel] [PATCH v2 2/5] virtio-balloon: Check if balloon registration failed, Amit Shah, 2011/07/28
- [Qemu-devel] [PATCH v2 3/5] balloon: Ignore negative balloon values, Amit Shah, 2011/07/28
- [Qemu-devel] [PATCH v2 4/5] virtio-balloon: Add exit handler, fix memleaks,
Amit Shah <=
- Re: [Qemu-devel] [PATCH v2 4/5] virtio-balloon: Add exit handler, fix memleaks, Markus Armbruster, 2011/07/28
- [Qemu-devel] [PATCH v2 5/5] virtio-balloon: Unregister savevm section on device unplug, Amit Shah, 2011/07/28