Displaying 20 results from an estimated 62 matches for "unregister_hotcpu_notifi".
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unregister_hotcpu_notifier
2013 Oct 28
5
[PATCH] virtio-scsi: Fix hotcpu_notifier use-after-free with virtscsi_freeze
...virtio_scsi.c
+++ b/drivers/scsi/virtio_scsi.c
@@ -957,6 +957,10 @@ static void virtscsi_remove(struct virtio_device *vdev)
#ifdef CONFIG_PM
static int virtscsi_freeze(struct virtio_device *vdev)
{
+ struct Scsi_Host *sh = virtio_scsi_host(vdev);
+ struct virtio_scsi *vscsi = shost_priv(sh);
+
+ unregister_hotcpu_notifier(&vscsi->nb);
virtscsi_remove_vqs(vdev);
return 0;
}
@@ -965,8 +969,17 @@ static int virtscsi_restore(struct virtio_device *vdev)
{
struct Scsi_Host *sh = virtio_scsi_host(vdev);
struct virtio_scsi *vscsi = shost_priv(sh);
+ int err;
+
+ err = virtscsi_init(vdev, vscsi);
+ if (err...
2013 Oct 28
5
[PATCH] virtio-scsi: Fix hotcpu_notifier use-after-free with virtscsi_freeze
...virtio_scsi.c
+++ b/drivers/scsi/virtio_scsi.c
@@ -957,6 +957,10 @@ static void virtscsi_remove(struct virtio_device *vdev)
#ifdef CONFIG_PM
static int virtscsi_freeze(struct virtio_device *vdev)
{
+ struct Scsi_Host *sh = virtio_scsi_host(vdev);
+ struct virtio_scsi *vscsi = shost_priv(sh);
+
+ unregister_hotcpu_notifier(&vscsi->nb);
virtscsi_remove_vqs(vdev);
return 0;
}
@@ -965,8 +969,17 @@ static int virtscsi_restore(struct virtio_device *vdev)
{
struct Scsi_Host *sh = virtio_scsi_host(vdev);
struct virtio_scsi *vscsi = shost_priv(sh);
+ int err;
+
+ err = virtscsi_init(vdev, vscsi);
+ if (err...
2014 Oct 06
1
[PATCH 08/16] virtio_net: drop config_enable
...ions(+), 21 deletions(-)
>
> diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c
> index 59caa06..fa17afa 100644
> --- a/drivers/net/virtio_net.c
> +++ b/drivers/net/virtio_net.c
> @@ -1876,16 +1869,12 @@ static void virtnet_remove(struct virtio_device *vdev)
> unregister_hotcpu_notifier(&vi->nb);
>
> /* Prevent config work handler from accessing the device. */
Same comment as for the equivalent comment in the virtio-blk code.
> - mutex_lock(&vi->config_lock);
> - vi->config_enable = false;
> - mutex_unlock(&vi->config_lock);
> + flu...
2014 Oct 06
1
[PATCH 08/16] virtio_net: drop config_enable
...ions(+), 21 deletions(-)
>
> diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c
> index 59caa06..fa17afa 100644
> --- a/drivers/net/virtio_net.c
> +++ b/drivers/net/virtio_net.c
> @@ -1876,16 +1869,12 @@ static void virtnet_remove(struct virtio_device *vdev)
> unregister_hotcpu_notifier(&vi->nb);
>
> /* Prevent config work handler from accessing the device. */
Same comment as for the equivalent comment in the virtio-blk code.
> - mutex_lock(&vi->config_lock);
> - vi->config_enable = false;
> - mutex_unlock(&vi->config_lock);
> + flu...
2012 Dec 26
5
[RFC PATCH] virtio-net: reset virtqueue affinity when doing cpu hotplug
...cpu_hotplug = false;
+ }
+
+ txq = skb_rx_queue_recorded(skb) ? skb_get_rx_queue(skb) :
smp_processor_id();
while (unlikely(txq >= dev->real_num_tx_queues))
@@ -1248,6 +1278,8 @@ static void virtnet_del_vqs(struct virtnet_info *vi)
{
struct virtio_device *vdev = vi->vdev;
+ unregister_hotcpu_notifier(&virtnet_cpu_notifier);
+
virtnet_set_affinity(vi, false);
vdev->config->del_vqs(vdev);
@@ -1372,6 +1404,11 @@ static int init_vqs(struct virtnet_info *vi)
goto err_free;
virtnet_set_affinity(vi, true);
+
+ ret = register_hotcpu_notifier(&virtnet_cpu_notifier);
+ if (re...
2012 Dec 26
5
[RFC PATCH] virtio-net: reset virtqueue affinity when doing cpu hotplug
...cpu_hotplug = false;
+ }
+
+ txq = skb_rx_queue_recorded(skb) ? skb_get_rx_queue(skb) :
smp_processor_id();
while (unlikely(txq >= dev->real_num_tx_queues))
@@ -1248,6 +1278,8 @@ static void virtnet_del_vqs(struct virtnet_info *vi)
{
struct virtio_device *vdev = vi->vdev;
+ unregister_hotcpu_notifier(&virtnet_cpu_notifier);
+
virtnet_set_affinity(vi, false);
vdev->config->del_vqs(vdev);
@@ -1372,6 +1404,11 @@ static int init_vqs(struct virtnet_info *vi)
goto err_free;
virtnet_set_affinity(vi, true);
+
+ ret = register_hotcpu_notifier(&virtnet_cpu_notifier);
+ if (re...
2016 Jun 02
1
[PATCH -next 2/2] virtio_net: Read the advised MTU
...76 free_unused_bufs(vi);
1977
1978 free_receive_bufs(vi);
1979
1980 free_receive_page_frags(vi);
1981
1982 virtnet_del_vqs(vi);
1983 }
1984
1985 static void virtnet_remove(struct virtio_device *vdev)
1986 {
1987 struct virtnet_info *vi = vdev->priv;
1988
1989 unregister_hotcpu_notifier(&vi->nb);
1990
1991 /* Make sure no work handler is accessing the device. */
1992 flush_work(&vi->config_work);
1993
1994 unregister_netdev(vi->dev);
1995
1996 remove_vq_common(vi);
1997
1998 free_percpu(vi->stats);
1999 free_netdev(vi->dev);...
2016 Jun 02
1
[PATCH -next 2/2] virtio_net: Read the advised MTU
...76 free_unused_bufs(vi);
1977
1978 free_receive_bufs(vi);
1979
1980 free_receive_page_frags(vi);
1981
1982 virtnet_del_vqs(vi);
1983 }
1984
1985 static void virtnet_remove(struct virtio_device *vdev)
1986 {
1987 struct virtnet_info *vi = vdev->priv;
1988
1989 unregister_hotcpu_notifier(&vi->nb);
1990
1991 /* Make sure no work handler is accessing the device. */
1992 flush_work(&vi->config_work);
1993
1994 unregister_netdev(vi->dev);
1995
1996 remove_vq_common(vi);
1997
1998 free_percpu(vi->stats);
1999 free_netdev(vi->dev);...
2014 Oct 05
0
[PATCH 08/16] virtio_net: drop config_enable
...)
}
mutex_init(&vi->config_lock);
- vi->config_enable = true;
INIT_WORK(&vi->config_work, virtnet_config_changed_work);
/* If we can receive ANY GSO packets, we must allocate large ones. */
@@ -1876,16 +1869,12 @@ static void virtnet_remove(struct virtio_device *vdev)
unregister_hotcpu_notifier(&vi->nb);
/* Prevent config work handler from accessing the device. */
- mutex_lock(&vi->config_lock);
- vi->config_enable = false;
- mutex_unlock(&vi->config_lock);
+ flush_work(&vi->config_work);
unregister_netdev(vi->dev);
remove_vq_common(vi);
-...
2014 Oct 06
0
[PATCH v2 07/15] virtio_net: drop config_enable
...}
mutex_init(&vi->config_lock);
- vi->config_enable = true;
INIT_WORK(&vi->config_work, virtnet_config_changed_work);
/* If we can receive ANY GSO packets, we must allocate large ones. */
@@ -1875,17 +1868,13 @@ static void virtnet_remove(struct virtio_device *vdev)
unregister_hotcpu_notifier(&vi->nb);
- /* Prevent config work handler from accessing the device. */
- mutex_lock(&vi->config_lock);
- vi->config_enable = false;
- mutex_unlock(&vi->config_lock);
+ /* Make sure no work handler is accessing the device. */
+ flush_work(&vi->config_work);
u...
2013 Dec 17
1
[PATCH V2] virtio-scsi: Fix hotcpu_notifier use-after-free with virtscsi_freeze
..._scsi.c
+++ b/drivers/scsi/virtio_scsi.c
@@ -956,6 +956,10 @@ static void virtscsi_remove(struct virtio_device *vdev)
#ifdef CONFIG_PM_SLEEP
static int virtscsi_freeze(struct virtio_device *vdev)
{
+ struct Scsi_Host *sh = virtio_scsi_host(vdev);
+ struct virtio_scsi *vscsi = shost_priv(sh);
+
+ unregister_hotcpu_notifier(&vscsi->nb);
virtscsi_remove_vqs(vdev);
return 0;
}
@@ -964,8 +968,17 @@ static int virtscsi_restore(struct virtio_device *vdev)
{
struct Scsi_Host *sh = virtio_scsi_host(vdev);
struct virtio_scsi *vscsi = shost_priv(sh);
+ int err;
+
+ err = virtscsi_init(vdev, vscsi);
+ if (err...
2013 Dec 17
1
[PATCH V2] virtio-scsi: Fix hotcpu_notifier use-after-free with virtscsi_freeze
..._scsi.c
+++ b/drivers/scsi/virtio_scsi.c
@@ -956,6 +956,10 @@ static void virtscsi_remove(struct virtio_device *vdev)
#ifdef CONFIG_PM_SLEEP
static int virtscsi_freeze(struct virtio_device *vdev)
{
+ struct Scsi_Host *sh = virtio_scsi_host(vdev);
+ struct virtio_scsi *vscsi = shost_priv(sh);
+
+ unregister_hotcpu_notifier(&vscsi->nb);
virtscsi_remove_vqs(vdev);
return 0;
}
@@ -964,8 +968,17 @@ static int virtscsi_restore(struct virtio_device *vdev)
{
struct Scsi_Host *sh = virtio_scsi_host(vdev);
struct virtio_scsi *vscsi = shost_priv(sh);
+ int err;
+
+ err = virtscsi_init(vdev, vscsi);
+ if (err...
2016 Aug 12
0
[PATCH 6/6] net: virtio-net: Convert to hotplug state machine
...ier(&vi->nb);
+ err = virtnet_cpu_notif_add(vi);
if (err) {
pr_debug("virtio_net: registering cpu notifier failed\n");
goto free_unregister_netdev;
@@ -1934,7 +1962,7 @@ static void virtnet_remove(struct virtio_device *vdev)
{
struct virtnet_info *vi = vdev->priv;
- unregister_hotcpu_notifier(&vi->nb);
+ virtnet_cpu_notif_remove(vi);
/* Make sure no work handler is accessing the device. */
flush_work(&vi->config_work);
@@ -1953,7 +1981,7 @@ static int virtnet_freeze(struct virtio_device *vdev)
struct virtnet_info *vi = vdev->priv;
int i;
- unregister_hotcp...
2016 Aug 12
0
[PATCH 6/6] net: virtio-net: Convert to hotplug state machine
...ier(&vi->nb);
+ err = virtnet_cpu_notif_add(vi);
if (err) {
pr_debug("virtio_net: registering cpu notifier failed\n");
goto free_unregister_netdev;
@@ -1934,7 +1962,7 @@ static void virtnet_remove(struct virtio_device *vdev)
{
struct virtnet_info *vi = vdev->priv;
- unregister_hotcpu_notifier(&vi->nb);
+ virtnet_cpu_notif_remove(vi);
/* Make sure no work handler is accessing the device. */
flush_work(&vi->config_work);
@@ -1953,7 +1981,7 @@ static int virtnet_freeze(struct virtio_device *vdev)
struct virtnet_info *vi = vdev->priv;
int i;
- unregister_hotcp...
2013 Oct 29
3
[PATCH net] virtio-net: correctly handle cpu hotplug notifier during resuming
...-1136,8 +1131,6 @@ static int virtnet_cpu_callback(struct notifier_block *nfb,
break;
}
-done:
- mutex_unlock(&vi->config_lock);
return NOTIFY_OK;
}
@@ -1699,6 +1692,8 @@ static int virtnet_freeze(struct virtio_device *vdev)
struct virtnet_info *vi = vdev->priv;
int i;
+ unregister_hotcpu_notifier(&vi->nb);
+
/* Prevent config work handler from accessing the device */
mutex_lock(&vi->config_lock);
vi->config_enable = false;
@@ -1747,6 +1742,10 @@ static int virtnet_restore(struct virtio_device *vdev)
virtnet_set_queues(vi, vi->curr_queue_pairs);
rtnl_unlock();...
2013 Oct 29
3
[PATCH net] virtio-net: correctly handle cpu hotplug notifier during resuming
...-1136,8 +1131,6 @@ static int virtnet_cpu_callback(struct notifier_block *nfb,
break;
}
-done:
- mutex_unlock(&vi->config_lock);
return NOTIFY_OK;
}
@@ -1699,6 +1692,8 @@ static int virtnet_freeze(struct virtio_device *vdev)
struct virtnet_info *vi = vdev->priv;
int i;
+ unregister_hotcpu_notifier(&vi->nb);
+
/* Prevent config work handler from accessing the device */
mutex_lock(&vi->config_lock);
vi->config_enable = false;
@@ -1747,6 +1742,10 @@ static int virtnet_restore(struct virtio_device *vdev)
virtnet_set_queues(vi, vi->curr_queue_pairs);
rtnl_unlock();...
2014 Sep 05
1
[PATCH 1/1] add selftest for virtio-net v1.0
...@@ -1890,14 +2079,10 @@ static void virtnet_remove(struct virtio_device *vdev)
free_netdev(vi->dev);
}
-#ifdef CONFIG_PM_SLEEP
-static int virtnet_freeze(struct virtio_device *vdev)
+static void virtnet_stop(struct virtnet_info *vi)
{
- struct virtnet_info *vi = vdev->priv;
int i;
- unregister_hotcpu_notifier(&vi->nb);
-
/* Prevent config work handler from accessing the device */
mutex_lock(&vi->config_lock);
vi->config_enable = false;
@@ -1906,24 +2091,20 @@ static int virtnet_freeze(struct virtio_device *vdev)
netif_device_detach(vi->dev);
cancel_delayed_work_sync(&...
2014 Sep 05
1
[PATCH 1/1] add selftest for virtio-net v1.0
...@@ -1890,14 +2079,10 @@ static void virtnet_remove(struct virtio_device *vdev)
free_netdev(vi->dev);
}
-#ifdef CONFIG_PM_SLEEP
-static int virtnet_freeze(struct virtio_device *vdev)
+static void virtnet_stop(struct virtnet_info *vi)
{
- struct virtnet_info *vi = vdev->priv;
int i;
- unregister_hotcpu_notifier(&vi->nb);
-
/* Prevent config work handler from accessing the device */
mutex_lock(&vi->config_lock);
vi->config_enable = false;
@@ -1906,24 +2091,20 @@ static int virtnet_freeze(struct virtio_device *vdev)
netif_device_detach(vi->dev);
cancel_delayed_work_sync(&...
2013 Dec 12
0
[PATCH] virtio-scsi: Fix hotcpu_notifier use-after-free with virtscsi_freeze
...scsi.c
> @@ -957,6 +957,10 @@ static void virtscsi_remove(struct virtio_device *vdev)
> #ifdef CONFIG_PM
> static int virtscsi_freeze(struct virtio_device *vdev)
> {
> + struct Scsi_Host *sh = virtio_scsi_host(vdev);
> + struct virtio_scsi *vscsi = shost_priv(sh);
> +
> + unregister_hotcpu_notifier(&vscsi->nb);
> virtscsi_remove_vqs(vdev);
> return 0;
> }
> @@ -965,8 +969,17 @@ static int virtscsi_restore(struct virtio_device *vdev)
> {
> struct Scsi_Host *sh = virtio_scsi_host(vdev);
> struct virtio_scsi *vscsi = shost_priv(sh);
> + int err;
> +...
2013 Dec 17
1
[PATCH] virtio-scsi: Fix hotcpu_notifier use-after-free with virtscsi_freeze
...0 @@ static void virtscsi_remove(struct virtio_device *vdev)
>> #ifdef CONFIG_PM
>> static int virtscsi_freeze(struct virtio_device *vdev)
>> {
>> + struct Scsi_Host *sh = virtio_scsi_host(vdev);
>> + struct virtio_scsi *vscsi = shost_priv(sh);
>> +
>> + unregister_hotcpu_notifier(&vscsi->nb);
>> virtscsi_remove_vqs(vdev);
>> return 0;
>> }
>> @@ -965,8 +969,17 @@ static int virtscsi_restore(struct virtio_device *vdev)
>> {
>> struct Scsi_Host *sh = virtio_scsi_host(vdev);
>> struct virtio_scsi *vscsi = shost_priv(...