| /linux-6.12.1/Documentation/devicetree/bindings/thermal/ |
| D | thermal-zones.yaml | 1 # SPDX-License-Identifier: (GPL-2.0)
4 ---
5 $id: http://devicetree.org/schemas/thermal/thermal-zones.yaml#
6 $schema: http://devicetree.org/meta-schemas/base.yaml#
11 - Daniel Lezcano <daniel.lezcano@linaro.org>
16 take appropriate action to mitigate thermal overloads.
20 - thermal-sensor: device that measures temperature, has SoC-specific bindings
21 - cooling-device: device used to dissipate heat either passively or actively
22 - thermal-zones: a container of the following node types used to describe all
25 This binding describes the thermal-zones.
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| D | thermal-sensor.yaml | 1 # SPDX-License-Identifier: (GPL-2.0)
4 ---
5 $id: http://devicetree.org/schemas/thermal/thermal-sensor.yaml#
6 $schema: http://devicetree.org/meta-schemas/core.yaml#
11 - Amit Kucheria <amitk@kernel.org>
16 action to mitigate thermal overloads.
20 - thermal-sensor: device that measures temperature, has SoC-specific bindings
21 - cooling-device: device used to dissipate heat either passively or actively
22 - thermal-zones: a container of the following node types used to describe all
25 This binding describes the thermal-sensor.
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| /linux-6.12.1/include/linux/ |
| D | kern_levels.h | 1 /* SPDX-License-Identifier: GPL-2.0 */
9 #define KERN_ALERT KERN_SOH "1" /* action must be taken immediately */
10 #define KERN_CRIT KERN_SOH "2" /* critical conditions */
15 #define KERN_DEBUG KERN_SOH "7" /* debug-level messages */
22 * during early bootup (a continued line is not SMP-safe otherwise).
27 #define LOGLEVEL_SCHED -2 /* Deferred messages from sched code
29 #define LOGLEVEL_DEFAULT -1 /* default (or last) loglevel */
31 #define LOGLEVEL_ALERT 1 /* action must be taken immediately */
32 #define LOGLEVEL_CRIT 2 /* critical conditions */
37 #define LOGLEVEL_DEBUG 7 /* debug-level messages */
|
| /linux-6.12.1/Documentation/ABI/testing/ |
| D | sysfs-class-hwmon | 16 The contents of the label are free-form.
40 Voltage critical min value.
47 take drastic action such as power down or reset. At the very
60 Voltage critical max value.
67 take drastic action such as power down or reset. At the very
135 this voltage channel is being used for, and user-space
137 user-space.
145 When disabled the sensor read will return -ENODATA.
147 - 1: Enable
148 - 0: Disable
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| D | ima_policy | 8 loaded into the run-time of this system. At runtime,
20 rule format: action [condition ...]
22 action: measure | dont_measure | appraise | dont_appraise |
42 fsuuid:= file system UUID (e.g 8bcbe394-4f13-4144-be8e-5aa9ea2ce2f6)
64 Require fs-verity's file digest instead of the
68 when action is "measure" and func is KEY_CHECK.
70 (eg, ima-ng). Only valid when action is "measure".
73 data_label:= a unique string used for grouping and limiting critical data.
74 For example, "selinux" to measure critical data for SELinux.
75 appraise_algos:= comma-separated list of hash algorithms
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| /linux-6.12.1/drivers/thermal/ |
| D | thermal_of.c | 1 // SPDX-License-Identifier: GPL-2.0
3 * of-thermal.c - Generic Thermal Management device tree support.
31 [THERMAL_TRIP_CRITICAL] = "critical",
35 * thermal_of_get_trip_type - Get phy mode for given device_node
60 return -ENODEV; in thermal_of_get_trip_type()
74 trip->temperature = prop; in thermal_of_populate_trip()
81 trip->hysteresis = prop; in thermal_of_populate_trip()
83 ret = thermal_of_get_trip_type(np, &trip->type); in thermal_of_populate_trip()
89 trip->flags = THERMAL_TRIP_FLAG_RW_TEMP; in thermal_of_populate_trip()
91 trip->priv = np; in thermal_of_populate_trip()
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| /linux-6.12.1/tools/testing/selftests/bpf/ |
| D | verify_sig_setup.sh | 2 # SPDX-License-Identifier: GPL-2.0
4 set -e
5 set -u
6 set -o pipefail
23 basicConstraints=critical,CA:FALSE
41 openssl req -new -nodes -utf8 -sha256 -days 36500 \
42 -batch -x509 -config ${tmp_dir}/x509.genkey \
43 -outform PEM -out ${tmp_dir}/signing_key.pem \
44 -keyout ${tmp_dir}/signing_key.pem 2>&1
46 openssl x509 -in ${tmp_dir}/signing_key.pem -out \
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| /linux-6.12.1/security/integrity/ima/ |
| D | ima_main.c | 1 // SPDX-License-Identifier: GPL-2.0-only
54 if (strcmp(template_desc->name, IMA_TEMPLATE_IMA_NAME) == 0) { in hash_setup()
94 mapping_writably_mapped(file->f_mapping)) { in mmap_violation_check()
95 rc = -ETXTBSY; in mmap_violation_check()
98 if (!*pathbuf) /* ima_rdwr_violation possibly pre-fetched */ in mmap_violation_check()
99 *pathname = ima_d_path(&file->f_path, pathbuf, in mmap_violation_check()
111 * - Opening a file for write when already open for read,
113 * - Opening a file for read when already open for write,
125 fmode_t mode = file->f_mode; in ima_rdwr_violation_check()
129 if (atomic_read(&inode->i_readcount) && IS_IMA(inode)) { in ima_rdwr_violation_check()
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| /linux-6.12.1/include/drm/ |
| D | task_barrier.h | 18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
27 * Reusable 2 PHASE task barrier (rendez-vous point) implementation for N tasks.
28 * Based on the Little book of semaphores - https://greenteapress.com/wp/semaphores/
57 tb->n = 0; in task_barrier_init()
58 atomic_set(&tb->count, 0); in task_barrier_init()
59 sema_init(&tb->enter_turnstile, 0); in task_barrier_init()
60 sema_init(&tb->exit_turnstile, 0); in task_barrier_init()
65 tb->n++; in task_barrier_add_task()
70 tb->n--; in task_barrier_rem_task()
74 * Lines up all the threads BEFORE the critical point.
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| /linux-6.12.1/Documentation/hwmon/ |
| D | sysfs-interface.rst | 5 through the sysfs interface. Since lm-sensors 3.0.0, libsensors is
6 completely chip-independent. It assumes that all the kernel drivers
10 This is a major improvement compared to lm-sensors 2.
22 For this reason, even if we aim at a chip-independent libsensors, it will
37 Up to lm-sensors 3.0.0, libsensors looks for hardware monitoring attributes
38 in the "physical" device directory. Since lm-sensors 3.0.1, attributes found
61 to cause an alarm) is chip-dependent.
69 ----------------
76 -------------------------------------------------------------------------
79 `[0-*]` denotes any positive number starting from 0
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| /linux-6.12.1/tools/include/linux/ |
| D | kern_levels.h | 1 /* SPDX-License-Identifier: GPL-2.0 */
9 #define KERN_ALERT KERN_SOH "" /* action must be taken immediately */
10 #define KERN_CRIT KERN_SOH "" /* critical conditions */
15 #define KERN_DEBUG KERN_SOH "" /* debug-level messages */
22 * during early bootup (a continued line is not SMP-safe otherwise).
|
| /linux-6.12.1/Documentation/core-api/ |
| D | memory-hotplug.rst | 49 struct notifier_block *self, unsigned long action, void *arg);
53 The second argument (action) is one of the event types described above.
63 - start_pfn is start_pfn of online/offline memory.
64 - nr_pages is # of pages of online/offline memory.
65 - status_change_nid_normal is set node id when N_NORMAL_MEMORY of nodemask
66 is (will be) set/clear, if this is -1, then nodemask status is not changed.
67 - status_change_nid is set node id when N_MEMORY of nodemask is (will be)
69 node loses all memory. If this is -1, then nodemask status is not changed.
81 MEM_ONLINE, or MEM_OFFLINE action to cancel hotplugging. It stops
92 - synchronize against online/offline requests (e.g. via sysfs). This way, memory
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| /linux-6.12.1/Documentation/networking/dsa/ |
| D | sja1105.rst | 8 The NXP SJA1105 is a family of 10 SPI-managed automotive switches:
10 - SJA1105E: First generation, no TTEthernet
11 - SJA1105T: First generation, TTEthernet
12 - SJA1105P: Second generation, no TTEthernet, no SGMII
13 - SJA1105Q: Second generation, TTEthernet, no SGMII
14 - SJA1105R: Second generation, no TTEthernet, SGMII
15 - SJA1105S: Second generation, TTEthernet, SGMII
16 - SJA1110A: Third generation, TTEthernet, SGMII, integrated 100base-T1 and
17 100base-TX PHYs
18 - SJA1110B: Third generation, TTEthernet, SGMII, 100base-T1, 100base-TX
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| /linux-6.12.1/Documentation/RCU/ |
| D | checklist.rst | 1 .. SPDX-License-Identifier: GPL-2.0
14 0. Is RCU being applied to a read-mostly situation? If the data
18 tool for the job. Yes, RCU does reduce read-side overhead by
19 increasing write-side overhead, which is exactly why normal uses
27 Yet another exception is where the low real-time latency of RCU's
28 read-side primitives is critically important.
33 counter-intuitive situation where rcu_read_lock() and
49 them -- even x86 allows later loads to be reordered to precede
59 2. Do the RCU read-side critical sections make proper use of
63 under your read-side code, which can greatly increase the
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| /linux-6.12.1/Documentation/security/ |
| D | ipe.rst | 1 .. SPDX-License-Identifier: GPL-2.0
3 Integrity Policy Enforcement (IPE) - Kernel Documentation
10 :doc:`IPE admin guide </admin-guide/LSM/ipe>`.
13 ---------------------
16 of a locked-down system. This system would be born-secure, and have
18 *data files* on the system, that were critical to its function. These
27 2. DM-Verity
29 Both options were carefully considered, however the choice to use DM-Verity
46 modify filesystem offline, the attacker could wipe all the xattrs -
50 With DM-Verity, as the xattrs are saved as part of the Merkel tree, if
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| /linux-6.12.1/kernel/ |
| D | hung_task.c | 1 // SPDX-License-Identifier: GPL-2.0-only
5 * kernel/hung_task.c - kernel thread for detecting tasks stuck in D state
37 * is disabled during the critical section. It also controls the size of
38 * the RCU grace period. So it needs to be upper-bound.
43 * Zero means infinite timeout - no checking done:
93 unsigned long switch_count = t->nvcsw + t->nivcsw; in check_hung_task()
99 if (unlikely(READ_ONCE(t->__state) & TASK_FROZEN)) in check_hung_task()
110 if (switch_count != t->last_switch_count) { in check_hung_task()
111 t->last_switch_count = switch_count; in check_hung_task()
112 t->last_switch_time = jiffies; in check_hung_task()
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| /linux-6.12.1/arch/powerpc/platforms/pseries/ |
| D | ras.c | 1 // SPDX-License-Identifier: GPL-2.0-or-later
114 switch (mlog->error_type) { in rtas_mc_error_sub_type()
116 return (mlog->sub_err_type & 0x07); in rtas_mc_error_sub_type()
120 return (mlog->sub_err_type & 0x03); in rtas_mc_error_sub_type()
122 return (mlog->sub_err_type & 0x70) >> 4; in rtas_mc_error_sub_type()
138 np = of_find_node_by_path("/event-sources/hot-plug-events"); in init_ras_hotplug_IRQ()
161 np = of_find_node_by_path("/event-sources/internal-errors"); in init_ras_IRQ()
169 np = of_find_node_by_path("/event-sources/epow-events"); in init_ras_IRQ()
198 pr_emerg("Loss of system critical functions detected. Check" in handle_system_shutdown()
242 epow_log = (struct epow_errorlog *)pseries_log->data; in rtas_parse_epow_errlog()
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| /linux-6.12.1/Documentation/networking/devlink/ |
| D | devlink-trap.rst | 1 .. SPDX-License-Identifier: GPL-2.0
14 For example, a device acting as a multicast-aware bridge must be able to send
31 The ``devlink-trap`` mechanism allows capable device drivers to register their
35 Upon receiving trapped packets, ``devlink`` will perform a per-trap packets and
38 port). This is especially useful for drop traps (see :ref:`Trap-Types`)
42 The following diagram provides a general overview of ``devlink-trap``::
49 +---------------------------------------------------+
52 +-------+--------+
56 +-------^--------+
58 | Non-control traps
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| /linux-6.12.1/drivers/gpu/drm/nouveau/nvkm/subdev/therm/ |
| D | g84.c | 18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
32 struct nvkm_device *device = therm->subdev.device; in g84_temp_get()
34 if (nvkm_fuse_read(device->fuse, 0x1a8) == 1) in g84_temp_get()
37 return -ENODEV; in g84_temp_get()
43 struct nvkm_device *device = therm->subdev.device; in g84_sensor_setup()
46 if (nvkm_fuse_read(device->fuse, 0x1a8) == 1) { in g84_sensor_setup()
56 struct nvbios_therm_sensor *sensor = &therm->bios_sensor; in g84_therm_program_alarms()
57 struct nvkm_subdev *subdev = &therm->subdev; in g84_therm_program_alarms()
58 struct nvkm_device *device = subdev->device; in g84_therm_program_alarms()
61 spin_lock_irqsave(&therm->sensor.alarm_program_lock, flags); in g84_therm_program_alarms()
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| /linux-6.12.1/tools/thermal/tmon/ |
| D | tmon.h | 1 /* SPDX-License-Identifier: GPL-2.0-or-later */
127 double ki; /* Time-constant for I action from Dialog Box */
128 double kd; /* Time-constant for D action from Dialog Box */
184 * C: Critical
|
| /linux-6.12.1/arch/arm/boot/dts/allwinner/ |
| D | sun5i-a13.dtsi | 4 * Maxime Ripard <maxime.ripard@free-electrons.com>
6 * This file is dual-licensed: you can use it either under the terms
40 * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
47 #include <dt-bindings/thermal/thermal.h>
50 thermal-zones {
51 cpu-thermal {
53 polling-delay-passive = <250>;
54 polling-delay = <1000>;
55 thermal-sensors = <&rtp>;
57 cooling-maps {
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| /linux-6.12.1/Documentation/RCU/Design/Expedited-Grace-Periods/ |
| D | Expedited-Grace-Periods.rst | 13 There are two flavors of RCU (RCU-preempt and RCU-sched), with an earlier
14 third RCU-bh flavor having been implemented in terms of the other two.
38 RCU-preempt Expedited Grace Periods
41 ``CONFIG_PREEMPTION=y`` kernels implement RCU-preempt.
42 The overall flow of the handling of a given CPU by an RCU-preempt
45 .. kernel-figure:: ExpRCUFlow.svg
47 The solid arrows denote direct action, for example, a function call.
48 The dotted arrows denote indirect action, for example, an IPI
59 can check to see if the CPU is currently running in an RCU read-side
60 critical section.
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| /linux-6.12.1/arch/xtensa/kernel/ |
| D | vectors.S | 13 * Copyright (C) 2005 - 2008 Tensilica, Inc.
20 * We use a two-level table approach. The user and kernel exception vectors
21 * use a first-level dispatch table to dispatch the exception to a registered
23 * The default handler sets up a C-stack and dispatches the exception to a
24 * registerd C handler in the second-level dispatch table.
50 #include <asm/asm-offsets.h>
92 * jump to the first-level handler associated with the exception cause.
103 addi a2, a1, -16 - PT_KERNEL_SIZE # adjust stack pointer
121 * Note that this vector is never invoked for level-1 interrupts, because such
124 * We decode the exception and take the appropriate action. However, the
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| /linux-6.12.1/drivers/s390/net/ |
| D | ctcm_dbug.h | 1 /* SPDX-License-Identifier: GPL-2.0 */
37 #define CTC_DBF_ALERT 1 /* action must be taken immediately */
38 #define CTC_DBF_CRIT 2 /* critical conditions */
43 #define CTC_DBF_DEBUG 6 /* debug-level messages */
74 return (l > n) ? s + (l - n) : s; in strtail()
100 CTCM_DBF_TEXT_(cat, CTC_DBF_INFO, "%s(%s) :- %s", \
101 CTCM_FUNTAIL, dev->name, text); \
107 CTCM_FUNTAIL, dev->name, text); \
125 CTCM_DBF_TEXT_(cat, CTC_DBF_INFO, "%s(%p) :-: %s", \
|
| /linux-6.12.1/Documentation/RCU/Design/Requirements/ |
| D | Requirements.rst | 16 ------------
18 Read-copy update (RCU) is a synchronization mechanism that is often used
19 as a replacement for reader-writer locking. RCU is unusual in that
20 updaters do not block readers, which means that RCU's read-side
28 thought of as an informal, high-level specification for RCU. It is
40 #. `Fundamental Non-Requirements`_
42 #. `Quality-of-Implementation Requirements`_
44 #. `Software-Engineering Requirements`_
53 ------------------------
58 #. `Grace-Period Guarantee`_
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|