Displaying 20 results from an estimated 567 matches for "notifier_block".
2012 Dec 26
5
[RFC PATCH] virtio-net: reset virtqueue affinity when doing cpu hotplug
...false;
+
/* FIXME: MTU in config. */
#define MAX_PACKET_LEN (ETH_HLEN + VLAN_HLEN + ETH_DATA_LEN)
#define GOOD_COPY_LEN 128
@@ -1041,6 +1044,26 @@ static void virtnet_set_affinity(struct virtnet_info *vi, bool set)
vi->affinity_hint_set = false;
}
+static int virtnet_cpu_callback(struct notifier_block *nfb,
+ unsigned long action, void *hcpu)
+{
+ switch(action) {
+ case CPU_ONLINE:
+ case CPU_ONLINE_FROZEN:
+ case CPU_DEAD:
+ case CPU_DEAD_FROZEN:
+ cpu_hotplug = true;
+ break;
+ default:
+ break;
+ }
+ return NOTIFY_OK;
+}
+
+static struct notifier_block virtnet_cpu_notifier = {
+...
2012 Dec 26
5
[RFC PATCH] virtio-net: reset virtqueue affinity when doing cpu hotplug
...false;
+
/* FIXME: MTU in config. */
#define MAX_PACKET_LEN (ETH_HLEN + VLAN_HLEN + ETH_DATA_LEN)
#define GOOD_COPY_LEN 128
@@ -1041,6 +1044,26 @@ static void virtnet_set_affinity(struct virtnet_info *vi, bool set)
vi->affinity_hint_set = false;
}
+static int virtnet_cpu_callback(struct notifier_block *nfb,
+ unsigned long action, void *hcpu)
+{
+ switch(action) {
+ case CPU_ONLINE:
+ case CPU_ONLINE_FROZEN:
+ case CPU_DEAD:
+ case CPU_DEAD_FROZEN:
+ cpu_hotplug = true;
+ break;
+ default:
+ break;
+ }
+ return NOTIFY_OK;
+}
+
+static struct notifier_block virtnet_cpu_notifier = {
+...
2014 Oct 08
2
[PATCH 2/2] virtio_balloon: free some memory from baloon on OOM
...C(oom_vballoon_pages, "pages to free on OOM");
struct virtio_balloon
{
@@ -71,6 +78,9 @@ struct virtio_balloon
/* Memory statistics */
int need_stats_update;
struct virtio_balloon_stat stats[VIRTIO_BALLOON_S_NR];
+
+ /* To register callback in oom notifier call chain */
+ struct notifier_block nb;
};
static struct virtio_device_id id_table[] = {
@@ -290,6 +300,33 @@ static void update_balloon_size(struct virtio_balloon *vb)
&actual);
}
+/*
+ * virtballoon_oom_notify - release pages when system is under severe
+ * memory pressure (called from o...
2014 Oct 08
2
[PATCH 2/2] virtio_balloon: free some memory from baloon on OOM
...C(oom_vballoon_pages, "pages to free on OOM");
struct virtio_balloon
{
@@ -71,6 +78,9 @@ struct virtio_balloon
/* Memory statistics */
int need_stats_update;
struct virtio_balloon_stat stats[VIRTIO_BALLOON_S_NR];
+
+ /* To register callback in oom notifier call chain */
+ struct notifier_block nb;
};
static struct virtio_device_id id_table[] = {
@@ -290,6 +300,33 @@ static void update_balloon_size(struct virtio_balloon *vb)
&actual);
}
+/*
+ * virtballoon_oom_notify - release pages when system is under severe
+ * memory pressure (called from o...
2016 Jun 30
2
[PATCH net-next V3 5/6] net: introduce NETDEV_CHANGE_TX_QUEUE_LEN
...gt; @@ -2237,6 +2237,7 @@ struct netdev_lag_lower_state_info {
> #define NETDEV_PRECHANGEUPPER 0x001A
> #define NETDEV_CHANGELOWERSTATE 0x001B
> #define NETDEV_UDP_TUNNEL_PUSH_INFO 0x001C
> +#define NETDEV_CHANGE_TX_QUEUE_LEN 0x001E
>
> int register_netdevice_notifier(struct notifier_block *nb);
> int unregister_netdevice_notifier(struct notifier_block *nb);
> diff --git a/net/core/net-sysfs.c b/net/core/net-sysfs.c
> index 7a0b616..6e4f347 100644
> --- a/net/core/net-sysfs.c
> +++ b/net/core/net-sysfs.c
> @@ -322,7 +322,20 @@ NETDEVICE_SHOW_RW(flags, fmt_hex);
>...
2016 Jun 30
2
[PATCH net-next V3 5/6] net: introduce NETDEV_CHANGE_TX_QUEUE_LEN
...gt; @@ -2237,6 +2237,7 @@ struct netdev_lag_lower_state_info {
> #define NETDEV_PRECHANGEUPPER 0x001A
> #define NETDEV_CHANGELOWERSTATE 0x001B
> #define NETDEV_UDP_TUNNEL_PUSH_INFO 0x001C
> +#define NETDEV_CHANGE_TX_QUEUE_LEN 0x001E
>
> int register_netdevice_notifier(struct notifier_block *nb);
> int unregister_netdevice_notifier(struct notifier_block *nb);
> diff --git a/net/core/net-sysfs.c b/net/core/net-sysfs.c
> index 7a0b616..6e4f347 100644
> --- a/net/core/net-sysfs.c
> +++ b/net/core/net-sysfs.c
> @@ -322,7 +322,20 @@ NETDEVICE_SHOW_RW(flags, fmt_hex);
>...
2017 May 09
3
[PATCH v2 5/5] ACPI: button: Obselete acpi_lid_open() invocations
...drivers/gpu/drm/i915/intel_lvds.c | 2 +-
2 files changed, 7 insertions(+), 2 deletions(-)
diff --git a/drivers/acpi/button.c b/drivers/acpi/button.c
index 7ff3a75..50d7898 100644
--- a/drivers/acpi/button.c
+++ b/drivers/acpi/button.c
@@ -348,7 +348,12 @@ int acpi_lid_notifier_unregister(struct notifier_block *nb)
}
EXPORT_SYMBOL(acpi_lid_notifier_unregister);
-int acpi_lid_open(void)
+/*
+ * The intentional usage model is to register a lid notifier and use the
+ * notified value instead. Directly evaluating _LID without seeing a
+ * Notify(lid, 0x80) is not reliable.
+ */
+int __deprecated acpi_lid...
2013 Oct 14
4
[PATCH net 1/2] virtio-net: don't respond to cpu hotplug notifier if we're not ready
...ve.
---
drivers/net/virtio_net.c | 8 ++++++++
1 file changed, 8 insertions(+)
diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c
index defec2b..c4bc1cc 100644
--- a/drivers/net/virtio_net.c
+++ b/drivers/net/virtio_net.c
@@ -1116,6 +1116,11 @@ static int virtnet_cpu_callback(struct notifier_block *nfb,
{
struct virtnet_info *vi = container_of(nfb, struct virtnet_info, nb);
+ mutex_lock(&vi->config_lock);
+
+ if (!vi->config_enable)
+ goto done;
+
switch(action & ~CPU_TASKS_FROZEN) {
case CPU_ONLINE:
case CPU_DOWN_FAILED:
@@ -1128,6 +1133,9 @@ static int virtnet_cpu...
2013 Oct 14
4
[PATCH net 1/2] virtio-net: don't respond to cpu hotplug notifier if we're not ready
...ve.
---
drivers/net/virtio_net.c | 8 ++++++++
1 file changed, 8 insertions(+)
diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c
index defec2b..c4bc1cc 100644
--- a/drivers/net/virtio_net.c
+++ b/drivers/net/virtio_net.c
@@ -1116,6 +1116,11 @@ static int virtnet_cpu_callback(struct notifier_block *nfb,
{
struct virtnet_info *vi = container_of(nfb, struct virtnet_info, nb);
+ mutex_lock(&vi->config_lock);
+
+ if (!vi->config_enable)
+ goto done;
+
switch(action & ~CPU_TASKS_FROZEN) {
case CPU_ONLINE:
case CPU_DOWN_FAILED:
@@ -1128,6 +1133,9 @@ static int virtnet_cpu...
2020 Jan 10
0
[PATCH 18/23] drm/sti: Convert to CRTC VBLANK callbacks
...3 ---
3 files changed, 8 insertions(+), 8 deletions(-)
diff --git a/drivers/gpu/drm/sti/sti_crtc.c b/drivers/gpu/drm/sti/sti_crtc.c
index dc64fbfc4e61..49e6cb8f5836 100644
--- a/drivers/gpu/drm/sti/sti_crtc.c
+++ b/drivers/gpu/drm/sti/sti_crtc.c
@@ -279,12 +279,13 @@ int sti_crtc_vblank_cb(struct notifier_block *nb,
return 0;
}
-int sti_crtc_enable_vblank(struct drm_device *dev, unsigned int pipe)
+static int sti_crtc_enable_vblank(struct drm_crtc *crtc)
{
+ struct drm_device *dev = crtc->dev;
+ unsigned int pipe = crtc->index;
struct sti_private *dev_priv = dev->dev_private;
struct sti...
2018 Jan 26
1
[RFC PATCH net-next v2 2/2] virtio_net: Extend virtio to use VF datapath when available
On Thu, Jan 11, 2018 at 09:58:39PM -0800, Sridhar Samudrala wrote:
> @@ -2859,6 +3123,42 @@ static struct virtio_driver virtio_net_driver = {
> #endif
> };
>
> +static int virtio_netdev_event(struct notifier_block *this,
> + unsigned long event, void *ptr)
> +{
> + struct net_device *event_dev = netdev_notifier_info_to_dev(ptr);
> +
> + /* Skip our own events */
> + if (event_dev->netdev_ops == &virtnet_netdev)
> + return NOTIFY_DONE;
> +
> + /* Avoid non-Ethernet...
2023 May 03
1
[PATCH v5 virtio 04/11] pds_vdpa: move enum from common to adminq header
...-enum pds_core_logical_qtype {
- PDS_CORE_QTYPE_ADMINQ = 0,
- PDS_CORE_QTYPE_NOTIFYQ = 1,
- PDS_CORE_QTYPE_RXQ = 2,
- PDS_CORE_QTYPE_TXQ = 3,
- PDS_CORE_QTYPE_EQ = 4,
-
- PDS_CORE_QTYPE_MAX = 16 /* don't change - used in struct size */
-};
-
int pdsc_register_notify(struct notifier_block *nb);
void pdsc_unregister_notify(struct notifier_block *nb);
void *pdsc_get_pf_struct(struct pci_dev *vf_pdev);
--
2.17.1
2016 Jun 30
1
[PATCH net-next V3 5/6] net: introduce NETDEV_CHANGE_TX_QUEUE_LEN
...tate_info {
>>> #define NETDEV_PRECHANGEUPPER 0x001A
>>> #define NETDEV_CHANGELOWERSTATE 0x001B
>>> #define NETDEV_UDP_TUNNEL_PUSH_INFO 0x001C
>>> +#define NETDEV_CHANGE_TX_QUEUE_LEN 0x001E
>>> int register_netdevice_notifier(struct notifier_block *nb);
>>> int unregister_netdevice_notifier(struct notifier_block *nb);
>>> diff --git a/net/core/net-sysfs.c b/net/core/net-sysfs.c
>>> index 7a0b616..6e4f347 100644
>>> --- a/net/core/net-sysfs.c
>>> +++ b/net/core/net-sysfs.c
>>> @@ -322,7...
2016 Jun 30
1
[PATCH net-next V3 5/6] net: introduce NETDEV_CHANGE_TX_QUEUE_LEN
...tate_info {
>>> #define NETDEV_PRECHANGEUPPER 0x001A
>>> #define NETDEV_CHANGELOWERSTATE 0x001B
>>> #define NETDEV_UDP_TUNNEL_PUSH_INFO 0x001C
>>> +#define NETDEV_CHANGE_TX_QUEUE_LEN 0x001E
>>> int register_netdevice_notifier(struct notifier_block *nb);
>>> int unregister_netdevice_notifier(struct notifier_block *nb);
>>> diff --git a/net/core/net-sysfs.c b/net/core/net-sysfs.c
>>> index 7a0b616..6e4f347 100644
>>> --- a/net/core/net-sysfs.c
>>> +++ b/net/core/net-sysfs.c
>>> @@ -322,7...
2013 Sep 27
4
[PATCH net-next] virtio-net: switch to use XPS to choose txq
...rtio_net.c
+++ b/drivers/net/virtio_net.c
@@ -127,9 +127,6 @@ struct virtnet_info {
/* Does the affinity hint is set for virtqueues? */
bool affinity_hint_set;
- /* Per-cpu variable to show the mapping from CPU to virtqueue */
- int __percpu *vq_index;
-
/* CPU hot plug notifier */
struct notifier_block nb;
};
@@ -1063,7 +1060,6 @@ static int virtnet_vlan_rx_kill_vid(struct net_device *dev,
static void virtnet_clean_affinity(struct virtnet_info *vi, long hcpu)
{
int i;
- int cpu;
if (vi->affinity_hint_set) {
for (i = 0; i < vi->max_queue_pairs; i++) {
@@ -1073,20 +1069,11 @@ s...
2013 Sep 27
4
[PATCH net-next] virtio-net: switch to use XPS to choose txq
...rtio_net.c
+++ b/drivers/net/virtio_net.c
@@ -127,9 +127,6 @@ struct virtnet_info {
/* Does the affinity hint is set for virtqueues? */
bool affinity_hint_set;
- /* Per-cpu variable to show the mapping from CPU to virtqueue */
- int __percpu *vq_index;
-
/* CPU hot plug notifier */
struct notifier_block nb;
};
@@ -1063,7 +1060,6 @@ static int virtnet_vlan_rx_kill_vid(struct net_device *dev,
static void virtnet_clean_affinity(struct virtnet_info *vi, long hcpu)
{
int i;
- int cpu;
if (vi->affinity_hint_set) {
for (i = 0; i < vi->max_queue_pairs; i++) {
@@ -1073,20 +1069,11 @@ s...
2013 Oct 29
3
[PATCH net] virtio-net: correctly handle cpu hotplug notifier during resuming
...irtio_net.c | 13 ++++++-------
1 file changed, 6 insertions(+), 7 deletions(-)
diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c
index 9fbdfcd..bbc9cb8 100644
--- a/drivers/net/virtio_net.c
+++ b/drivers/net/virtio_net.c
@@ -1118,11 +1118,6 @@ static int virtnet_cpu_callback(struct notifier_block *nfb,
{
struct virtnet_info *vi = container_of(nfb, struct virtnet_info, nb);
- mutex_lock(&vi->config_lock);
-
- if (!vi->config_enable)
- goto done;
-
switch(action & ~CPU_TASKS_FROZEN) {
case CPU_ONLINE:
case CPU_DOWN_FAILED:
@@ -1136,8 +1131,6 @@ static int virtnet_cpu...
2013 Oct 29
3
[PATCH net] virtio-net: correctly handle cpu hotplug notifier during resuming
...irtio_net.c | 13 ++++++-------
1 file changed, 6 insertions(+), 7 deletions(-)
diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c
index 9fbdfcd..bbc9cb8 100644
--- a/drivers/net/virtio_net.c
+++ b/drivers/net/virtio_net.c
@@ -1118,11 +1118,6 @@ static int virtnet_cpu_callback(struct notifier_block *nfb,
{
struct virtnet_info *vi = container_of(nfb, struct virtnet_info, nb);
- mutex_lock(&vi->config_lock);
-
- if (!vi->config_enable)
- goto done;
-
switch(action & ~CPU_TASKS_FROZEN) {
case CPU_ONLINE:
case CPU_DOWN_FAILED:
@@ -1136,8 +1131,6 @@ static int virtnet_cpu...
2014 Oct 08
3
[PATCH 0/2] shrink virtio baloon on OOM in guest
Excessive virtio_balloon inflation can cause invocation of OOM-killer, when
Linux is under severe memory pressure. Various mechanisms are responsible for
correct virtio_balloon memory management. Nevertheless it is often the case
that these control tools does not have enough time to react on fast changing
memory load. As a result OS runs out of memory and invokes OOM-killer.
The balancing of
2014 Oct 08
3
[PATCH 0/2] shrink virtio baloon on OOM in guest
Excessive virtio_balloon inflation can cause invocation of OOM-killer, when
Linux is under severe memory pressure. Various mechanisms are responsible for
correct virtio_balloon memory management. Nevertheless it is often the case
that these control tools does not have enough time to react on fast changing
memory load. As a result OS runs out of memory and invokes OOM-killer.
The balancing of