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/linux/Documentation/networking/
H A Dmsg_zerocopy.rst24 notification overhead. As a result, MSG_ZEROCOPY is generally only
34 The kernel returns a notification when it is safe to modify data.
107 The notification itself is a simple scalar value. Each socket
157 When a new notification is about to be queued, it checks whether the
158 new value extends the range of the notification at the tail of the
159 queue. If so, it drops the new notification packet and instead increases
160 the range upper value of the outstanding notification.
163 notification can be squashed into the previous one, so that no more
164 than one notification is outstanding at any one point.
174 read_notification() call in the previous snippet. A notification
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/linux/Documentation/core-api/
H A Dwatch_queue.rst2 General notification mechanism
5 The general notification mechanism is built on top of the standard pipe driver
6 whereby it effectively splices notification messages from the kernel into pipes
14 "General setup"/"General notification queue"
29 additions to the ring - which might end up interleaved with notification
45 Note that when producing a notification, the kernel does not wait for the
62 "type" indicates the source of the notification record and "subtype" indicates
85 notification producer to indicate some meaning specific to the type and
125 A "watch queue" is the buffer allocated by an application that notification
146 thus the buffer, into which notification records should be written. The watch
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H A Dmemory-hotplug.rst10 Hotplugging events are sent to a notification queue.
12 There are six types of notification defined in ``include/linux/memory.h``:
82 further processing of the notification queue.
84 NOTIFY_STOP stops further processing of the notification queue.
/linux/Documentation/ABI/testing/
H A Dsysfs-class-fc_host5 These files contain the number of congestion notification
7 performance impact notification (FPIN) event.
15 performance impact notification (FPIN) event.
23 performance impact notification (FPIN) event.
H A Dsysfs-class-fc_remote_ports5 These files contain the number of congestion notification
7 performance impact notification (FPIN) event.
15 performance impact notification (FPIN) event.
23 performance impact notification (FPIN) event.
/linux/Documentation/ABI/stable/
H A Dthermal-notification1 What: A notification mechanism for thermal related events
3 This interface enables notification for thermal related events.
4 The notification is in the form of a netlink event.
/linux/Documentation/wmi/
H A Dacpi-interface.rst32 0x10 2 2 character method ID or single byte notification ID.
37 The WMI object flags control whether the method or notification ID is used:
42 - 0x8: Data block describes a WMI event, use notification ID instead
46 The method/notification ID is used to construct the ACPI method names used for
81 the ACPI method are the notification ID of the data block describing the WMI
96 holding the notification ID of the event. This method should be evaluated every
97 time an ACPI notification is received, since some ACPI implementations use a
/linux/tools/testing/selftests/net/packetdrill/
H A Dtcp_zerocopy_fastopen-client.pkt5 // kernel returns the notification ID.
9 // zerocopy notification counter is not incremented. Verify this too.
22 // Read from error queue: no zerocopy notification
43 // Read from error queue: now has first zerocopy notification
H A Dtcp_zerocopy_fastopen-server.pkt5 // kernel returns the notification ID.
29 // Read from error queue: now has first zerocopy notification
H A Dtcp_zerocopy_closed.pkt7 // First send on a closed socket and wait for (absent) notification.
8 // Then connect and send and verify that notification nr. is zero.
/linux/drivers/staging/media/imx/
H A Dimx-media-dev-common.c236 unsigned int notification) in imx_media_link_notify() argument
247 ret = v4l2_pipeline_link_notify(link, flags, notification); in imx_media_link_notify()
271 if (notification == MEDIA_DEV_NOTIFY_PRE_LINK_CH && in imx_media_link_notify()
283 } else if (notification == MEDIA_DEV_NOTIFY_POST_LINK_CH && in imx_media_link_notify()
302 static void imx_media_notify(struct v4l2_subdev *sd, unsigned int notification, in imx_media_notify() argument
308 if (notification != V4L2_DEVICE_NOTIFY_EVENT) in imx_media_notify()
/linux/Documentation/firmware-guide/acpi/
H A Dacpi-lid.rst32 the lid state upon the last lid notification instead of returning the lid
43 changed to "opened". Thus the "opened" notification is not guaranteed. But
45 state is changed to "closed". The "closed" notification is normally used to
71 events and the unreliable initial state notification, Linux users can use
82 notification is missing.
93 control method is not reliable and the initial lid state notification is
97 and the unreliable initial state notification, Linux users should always
/linux/drivers/firmware/arm_scmi/vendors/imx/
H A Dimx95.rst50 - Get notification on ON/OFF button activity.
324 | |Set to 1 to send notification. |
325 | |Set to 0 if no notification. |
327 | |Set to 1 to send notification. |
328 | |Set to 0 if no notification. |
330 | |Set to 1 to send notification. |
331 | |Set to 0 if no notification |
337 |int32 status |SUCCESS: notification configuration was successfully |
358 | |Set to 1 to send notification. |
359 | |Set to 0 if no notification |
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/linux/include/media/
H A Dv4l2-mc.h194 unsigned int notification);
226 unsigned int notification) in v4l2_pipeline_link_notify() argument
H A Dv4l2-device.h52 unsigned int notification, void *arg);
239 unsigned int notification, void *arg) in v4l2_subdev_notify() argument
242 sd->v4l2_dev->notify(sd, notification, arg); in v4l2_subdev_notify()
/linux/Documentation/filesystems/
H A Ddnotify.rst9 The intention of directory notification is to allow user applications
11 The basic mechanism involves the application registering for notification
28 Usually, the application must reregister after each notification, but
46 The notification should work for any local access to files even if the
/linux/Documentation/power/
H A Dpm_qos_interface.rst40 value and recompute the new aggregated target, calling the notification tree
45 and call the notification tree if the target was changed as a result of
56 Adds a notification callback function to the CPU latency QoS. The callback is
60 Removes the notification callback function from the CPU latency QoS.
115 value and recompute the new aggregated target, calling the notification
120 and call the notification trees if the target was changed as a result of
168 The per-device PM QoS framework has a per-device notification tree.
171 Adds a notification callback function for the device for a particular request
178 Removes the notification callback function for the device.
/linux/ipc/
H A Dmqueue.c1291 static int do_mq_notify(mqd_t mqdes, const struct sigevent *notification) in do_mq_notify() argument
1299 audit_mq_notify(mqdes, notification); in do_mq_notify()
1303 if (notification != NULL) { in do_mq_notify()
1304 if (unlikely(notification->sigev_notify != SIGEV_NONE && in do_mq_notify()
1305 notification->sigev_notify != SIGEV_SIGNAL && in do_mq_notify()
1306 notification->sigev_notify != SIGEV_THREAD)) in do_mq_notify()
1308 if (notification->sigev_notify == SIGEV_SIGNAL && in do_mq_notify()
1309 !valid_signal(notification->sigev_signo)) { in do_mq_notify()
1312 if (notification->sigev_notify == SIGEV_THREAD) { in do_mq_notify()
1321 notification->sigev_value.sival_ptr, in do_mq_notify()
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/linux/Documentation/hwmon/
H A Dacpi_power_meter.rst32 socket and a poll notification will be sent to the appropriate
42 the netlink event socket and a poll notification will be sent to the
49 well as sent as a poll notification to a sysfs file. The events are as
/linux/Documentation/admin-guide/
H A Dfilesystem-monitoring.rst15 By design, a FAN_FS_ERROR notification exposes sufficient information
26 error that occurred for a file system since the last notification, and
69 notification.
/linux/Documentation/driver-api/thermal/
H A Dx86_pkg_temperature_thermal.rst25 user mode can receive notification via thermal notification mechanism and can
H A Dintel_dptf.rst72 for sending keep alive notification. User space receives
73 THERMAL_EVENT_KEEP_ALIVE kobject uevent notification when
173 When set to 1, enable reading and notification of the power floor
338 can receive a notification whenever the value of this attribute is updated.
358 Predicted workload type index. User space can get notification of
359 change via existing sysfs attribute change notification mechanism.
/linux/drivers/staging/media/tegra-video/
H A Dvideo.c30 unsigned int notification, void *arg) in tegra_v4l2_dev_notify() argument
35 if (notification != V4L2_DEVICE_NOTIFY_EVENT) in tegra_v4l2_dev_notify()
/linux/fs/notify/
H A DMakefile2 obj-$(CONFIG_FSNOTIFY) += fsnotify.o notification.o group.o mark.o \
/linux/include/linux/
H A Daudit.h412 extern void __audit_mq_notify(mqd_t mqdes, const struct sigevent *notification);
483 static inline void audit_mq_notify(mqd_t mqdes, const struct sigevent *notification) in audit_mq_notify() argument
486 __audit_mq_notify(mqdes, notification); in audit_mq_notify()
661 const struct sigevent *notification) in audit_mq_notify() argument

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