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/linux/Documentation/ABI/testing/
H A Dsysfs-kernel-livepatch4 Contact: live-patching@vger.kernel.org
6 Interface for kernel live patching
9 each loaded live patch module.
14 Contact: live-patching@vger.kernel.org
22 Contact: live-patching@vger.kernel.org
31 Contact: live-patching@vger.kernel.org
39 Contact: live-patching@vger.kernel.org
53 Contact: live-patching@vger.kernel.org
62 This attribute specifies the sequence in which live patch modules
63 are applied to the system. If multiple live patches modify the same
[all …]
H A Ddebugfs-vfio15 of vfio devices that support live migration.
16 The debugfs of each vfio device that supports live migration
23 Description: Read the live migration status of the vfio device.
/linux/drivers/gpu/host1x/hw/
H A Dsyncpt_hw.c56 u32 old, live; in syncpt_load() local
61 live = host1x_sync_readl(host, HOST1X_SYNC_SYNCPT(sp->id)); in syncpt_load()
62 } while ((u32)atomic_cmpxchg(&sp->min_val, old, live) != old); in syncpt_load()
64 if (!host1x_syncpt_check_max(sp, live)) in syncpt_load()
69 return live; in syncpt_load()
/linux/net/rxrpc/
H A Dnet_ns.c18 if (rxnet->live) in rxrpc_service_conn_reap_timeout()
27 if (rxnet->live) in rxrpc_peer_keepalive_timeout()
39 rxnet->live = true; in rxrpc_init_net()
96 rxnet->live = false; in rxrpc_init_net()
107 rxnet->live = false; in rxrpc_exit_net()
/linux/fs/afs/
H A Dmain.c72 net->live = true; in afs_net_init()
123 net->live = false; in afs_net_init()
128 net->live = false; in afs_net_init()
134 net->live = false; in afs_net_init()
145 net->live = false; in afs_net_exit()
/linux/tools/testing/selftests/gpio/
H A Dgpio-aggregator.sh196 if [ "$(cat "$CONFIGFS_AGG_DIR/$CHIP/live")" = 0 ]; then
262 test "$(cat "$CONFIGFS_AGG_DIR/agg0/live")" = 1 || fail "chip unexpectedly dead"
290 test "$(cat "$CONFIGFS_AGG_DIR/agg0/live")" = 1 || fail "chip unexpectedly dead"
308 test "$(cat "$CONFIGFS_AGG_DIR/agg0/live")" = 0 || fail "chip unexpectedly alive"
318 test "$(cat "$CONFIGFS_AGG_DIR/agg0/live")" = 0 || fail "chip unexpectedly alive"
330 test "$(cat "$CONFIGFS_AGG_DIR/agg0/live")" = 0 || fail "chip unexpectedly alive"
333 test "$(cat "$CONFIGFS_AGG_DIR/agg0/live")" = 0 || \
347 test "$(cat "$CONFIGFS_AGG_DIR/_sysfs.0/live")" = 1 || fail "chip unexpectedly dead"
359 test "$(cat "$CONFIGFS_AGG_DIR/_sysfs.0/live")" = 1 || fail "chip unexpectedly dead"
374 test "$(cat "$CONFIGFS_AGG_DIR/_sysfs.0/live")" = 0 || fail "chip unexpectedly alive"
[all …]
H A Dgpio-sim.sh93 echo 1 > $CONFIGFS_DIR/$CHIP/live || fail "Unable to enable the chip"
99 echo 0 > $CONFIGFS_DIR/$CHIP/live || fail "Unable to disable the chip"
306 echo 1 > $CONFIGFS_DIR/chip/live 2> /dev/null && fail "Probe error was not propagated"
311 echo 1 > $CONFIGFS_DIR/chip/live 2> /dev/null && fail "Chip enabled without any GPIO banks"
320 echo 1 > $CONFIGFS_DIR/chip/live 2> /dev/null && fail "Duplicate chip labels were not rejected"
/linux/Documentation/driver-api/nvdimm/
H A Dfirmware-activate.rst41 either 'live', or 'quiesce'. A value of 'quiesce' triggers the kernel to
44 modifications of system memory. A value of 'live' attempts
50 'live' or 'quiesce', where 'live' indicates that the firmware
53 expect and injects a quiet period for the memory controller, but 'live'
/linux/Documentation/admin-guide/gpio/
H A Dgpio-aggregator.rst86 **Attribute:** ``/config/gpio-aggregator/<example-name>/live``
88 The ``live`` attribute allows to trigger the actual creation of the device
106 activating the device by setting ``live`` to 1.
139 Once the configuration is done, the ``'live'`` attribute must be set to 1
143 to ``'live'`` will result in an error. This is a different behaviour from the
153 toggle the aggregator with the ``live`` attribute and adjust the
154 ``key``, ``offset``, and ``name`` attributes for each line when ``live``
176 $ echo 1 > /sys/kernel/config/gpio-aggregator/agg0/live
H A Dgpio-sim.rst29 **Attribute:** ``/config/gpio-sim/gpio-device/live``
33 name (e.g. ``'gpio-sim.0'``). The ``'live'`` attribute allows to trigger the
77 Once the configuration is complete, the ``'live'`` attribute must be set to 1 in
80 successfully probed and if this doesn't happen, writing to ``'live'`` will
/linux/tools/perf/Documentation/
H A Dperf-kmem.txt66 --live::
67 Show live page stat. The perf kmem shows total allocation stat by
68 default, but this option shows live (currently allocated) pages
H A Dperf-kvm.txt16 'perf kvm stat [record|report|live] [<options>]
63 'perf kvm stat live' reports statistical data in a live mode (similar to
64 record + report but with statistical data updated live at a given display
/linux/Documentation/networking/
H A Dnet_failover.rst24 datapath. It also enables hypervisor controlled live migration of a VM with
65 be brought UP during live migration to allow uninterrupted communication.
115 net_failover also enables hypervisor controlled live migration to be supported
119 Here is a sample script that shows the steps to initiate live migration from
152 virsh detach-device --live --config $DOMAIN $VF_XML
162 virsh migrate --live --persistent $DOMAIN qemu+ssh://$REMOTE_HOST/system
181 virsh attach-device --config --live vm01 vf.xml
H A Dfailover.rst17 datapath. It also allows live migration of VMs with direct attached VFs by
/linux/Documentation/devicetree/
H A Ddynamic-resolution-notes.rst19 1. Get the maximum device tree phandle value from the live tree + 1.
24 in the live tree. This is the label used to tag the node.
/linux/Documentation/sound/cards/
H A Dindex.rst9 sb-live-mixer
/linux/drivers/gpio/
H A Dgpio-sim.c708 bool live; in gpio_sim_device_config_live_show() local
711 live = gpio_sim_device_is_live(dev); in gpio_sim_device_config_live_show()
713 return sysfs_emit(page, "%c\n", live ? '1' : '0'); in gpio_sim_device_config_live_show()
1010 bool live; in gpio_sim_device_config_live_store() local
1013 ret = kstrtobool(page, &live); in gpio_sim_device_config_live_store()
1017 if (live) in gpio_sim_device_config_live_store()
1021 if (live == gpio_sim_device_is_live(dev)) in gpio_sim_device_config_live_store()
1023 else if (live) in gpio_sim_device_config_live_store()
1033 if (live == !!ret) in gpio_sim_device_config_live_store()
1039 CONFIGFS_ATTR(gpio_sim_device_config_, live);
H A Dgpio-virtuser.c1355 bool live; in gpio_virtuser_device_config_live_show() local
1358 live = gpio_virtuser_device_is_live(dev); in gpio_virtuser_device_config_live_show()
1360 return sprintf(page, "%c\n", live ? '1' : '0'); in gpio_virtuser_device_config_live_show()
1544 bool live; in gpio_virtuser_device_config_live_store() local
1546 ret = kstrtobool(page, &live); in gpio_virtuser_device_config_live_store()
1550 if (live) in gpio_virtuser_device_config_live_store()
1554 if (live == gpio_virtuser_device_is_live(dev)) in gpio_virtuser_device_config_live_store()
1556 else if (live) in gpio_virtuser_device_config_live_store()
1566 if (live == !!ret) in gpio_virtuser_device_config_live_store()
1572 CONFIGFS_ATTR(gpio_virtuser_device_config_, live);
H A Dgpio-aggregator.c1190 bool live; in gpio_aggregator_device_live_store() local
1192 ret = kstrtobool(page, &live); in gpio_aggregator_device_live_store()
1199 if (live && !aggr->init_via_sysfs) in gpio_aggregator_device_live_store()
1204 (live == gpio_aggregator_is_active(aggr))) in gpio_aggregator_device_live_store()
1206 else if (live) in gpio_aggregator_device_live_store()
1216 if (live == !!ret && !aggr->init_via_sysfs) in gpio_aggregator_device_live_store()
1223 CONFIGFS_ATTR(gpio_aggregator_device_, live);
/linux/lib/
H A Dis_single_threaded.c22 if (atomic_read(&task->signal->live) != 1) in current_is_single_threaded()
/linux/Documentation/features/debug/optprobes/
H A Darch-support.txt4 # description: arch supports live patched optprobes
/linux/Documentation/features/debug/uprobes/
H A Darch-support.txt4 # description: arch supports live patched user probes
/linux/Documentation/features/debug/kprobes/
H A Darch-support.txt4 # description: arch supports live patched kernel probe
/linux/Documentation/features/core/jump-labels/
H A Darch-support.txt4 # description: arch supports live patched, high efficiency branches
/linux/Documentation/livepatch/
H A Dreliable-stacktrace.rst15 functions may have live state and therefore may not be safe to patch. One way
16 to identify which functions are live is to use a stacktrace.
19 functions with live state, and best-effort approaches which can be helpful for
21 to provide a *reliable* stacktrace which ensures it never omits any live
172 location. For trampolines which are not subject to live patching, where an
262 Unwinders typically assume the link register is always live, but this

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