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| /Linux-v5.15/lib/ |
| D | Kconfig.kgdb | 1 # SPDX-License-Identifier: GPL-2.0-only
6 # set if architecture has the its kgdb_arch_handle_qxfer_pkt
22 as well as in Documentation/dev-tools/kgdb.rst. If
34 If set to Y the debug core will use the kprobe blocklist to
35 identify symbols where it is unsafe to set breakpoints.
49 Share a serial console with kgdb. Sysrq-g must be used
83 bool "KGDB: Allow debugging with traps in notifiers"
88 exception handler which will allow kgdb to step through a
103 be set to 1 or 0 to enable all commands or disable almost all
108 0x0002 - allow arbitrary reads from memory and symbol lookup
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| /Linux-v5.15/Documentation/devicetree/bindings/regulator/ |
| D | regulator.yaml | 1 # SPDX-License-Identifier: GPL-2.0
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Liam Girdwood <lgirdwood@gmail.com>
11 - Mark Brown <broonie@kernel.org>
14 regulator-name:
18 regulator-min-microvolt:
19 description: smallest voltage consumers may set
21 regulator-max-microvolt:
22 description: largest voltage consumers may set
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| /Linux-v5.15/Documentation/leds/ |
| D | ledtrig-transient.rst | 8 to be off. The delay_on value specifies the time period an LED should stay
11 gets deactivated. There is no provision for one time activation to implement
16 set a timer to hold a state, however when user space application crashes or
36 that are active at the time driver gets suspended, continue to run, without
41 class device property. When brightness is set to 0 from user space via
56 non-transient state. When driver gets suspended, irrespective of the transient
69 transient trigger is activated these properties are set to default values.
71 - duration allows setting timer value in msecs. The initial value is 0.
72 - activate allows activating and deactivating the timer specified by
73 duration as needed. The initial and default value is 0. This will allow
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| /Linux-v5.15/include/uapi/linux/ |
| D | capability.h | 1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
11 * ftp://www.kernel.org/pub/linux/libs/security/linux-privs/kernel-2.6/
19 /* User-level do most of the mapping between kernel and user
25 a set of three capability sets. The transposition of 3*the
33 #define _LINUX_CAPABILITY_VERSION_2 0x20071026 /* deprecated - use v3 */
95 * Backwardly compatible definition for source code - trapped in a
96 * 32-bit world. If you find you need this, please consider using
106 ** POSIX-draft defined capabilities.
154 /* Allows set*uid(2) manipulation (including fsuid). */
161 ** Linux-specific capabilities
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| /Linux-v5.15/drivers/net/wireless/intel/iwlwifi/fw/api/ |
| D | power.h | 1 /* SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause */
3 * Copyright (C) 2012-2014, 2018-2020 Intel Corporation
4 * Copyright (C) 2013-2014 Intel Mobile Communications GmbH
5 * Copyright (C) 2015-2017 Intel Deutschland GmbH
13 * enum iwl_ltr_config_flags - masks for LTR config command flags
15 * @LTR_CFG_FLAG_HW_DIS_ON_SHADOW_REG_ACCESS: allow LTR change on shadow
17 * @LTR_CFG_FLAG_HW_EN_SHRT_WR_THROUGH: allow LTR msg send on ANY LTR
19 * @LTR_CFG_FLAG_HW_DIS_ON_D0_2_D3: allow LTR msg send on transition from
23 * @LTR_CFG_FLAG_DENIE_C10_ON_PD: allow going into C10 on PD
39 * struct iwl_ltr_config_cmd_v1 - configures the LTR
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| /Linux-v5.15/Documentation/devicetree/bindings/memory-controllers/ |
| D | omap-gpmc.txt | 7 - compatible: Should be set to one of the following:
9 ti,omap2420-gpmc (omap2420)
10 ti,omap2430-gpmc (omap2430)
11 ti,omap3430-gpmc (omap3430 & omap3630)
12 ti,omap4430-gpmc (omap4430 & omap4460 & omap543x)
13 ti,am3352-gpmc (am335x devices)
15 - reg: A resource specifier for the register space
17 - ti,hwmods: Should be set to "ti,gpmc" until the DT transition is
19 - #address-cells: Must be set to 2 to allow memory address translation
20 - #size-cells: Must be set to 1 to allow CS address passing
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| /Linux-v5.15/Documentation/ia64/ |
| D | efirtc.rst | 2 EFI Real Time Clock driver
13 the IA-64 platform.
16 to get access to the Time Service offered by EFI version 0.92.
27 at first, the time of day service. This is required in order to access, in a
29 to initialize the system view of the time during boot.
31 Because we wanted to minimize the impact on existing user-level apps using
38 EFI uses a slightly different way of representing the time, noticeably
39 the reference date is different. Year is the using the full 4-digit format.
41 expose this new way of representing time. Instead we use something very
43 One of the reasons for doing it this way is to allow for EFI to still evolve
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| /Linux-v5.15/Documentation/w1/slaves/ |
| D | w1_therm.rst | 15 -----------
46 time required by parasited powered device on the line. Reading
48 -1 if at least one sensor still in conversion, 1 if conversion is complete
54 time of issue of the bulk read command (not the current temperature).
58 ``conv_time`` is used to get current conversion time (read), and
59 adjust it (write). A temperature conversion time depends on the device type and
60 it's current resolution. Default conversion time is set by the driver according
61 to the device datasheet. A conversion time for many original device clones
62 deviate from datasheet specs. There are three options: 1) manually set the
63 correct conversion time by writing a value in milliseconds to ``conv_time``; 2)
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| /Linux-v5.15/include/media/ |
| D | rc-core.h | 1 /* SPDX-License-Identifier: GPL-2.0-only */
5 * Copyright (C) 2009-2010 by Mauro Carvalho Chehab
14 #include <linux/time.h>
16 #include <media/rc-map.h>
19 * enum rc_driver_type - type of the RC driver.
23 * It needs a Infra-Red pulse/space decoder
34 * struct rc_scancode_filter - Filter scan codes.
44 * enum rc_filter_type - Filter type constants.
57 * struct lirc_fh - represents an open lirc file
61 * set with an ioctl and then the high end with another ioctl
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| /Linux-v5.15/include/linux/platform_data/ |
| D | mtd-nand-s3c2410.h | 1 /* SPDX-License-Identifier: GPL-2.0-only */
6 * S3C2410 - NAND device controller platform_device info
15 * struct s3c2410_nand_set - define a set of one or more nand chips
16 * @flash_bbt: Openmoko u-boot can create a Bad Block Table
17 * Setting this flag will allow the kernel to
18 * look for it at boot time and also skip the NAND
20 * @options: Default value to set into 'struct nand_chip' options.
21 * @nr_chips: Number of chips in this set
23 * @name: Name of set (optional)
24 * @nr_map: Map for low-layer logical to physical chip numbers (option)
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| /Linux-v5.15/drivers/md/ |
| D | Kconfig | 1 # SPDX-License-Identifier: GPL-2.0-only
30 Software RAID mini-HOWTO, available from
45 a several-second delay in the boot time due to various
55 use the so-called linear mode, i.e. it will combine the hard disk
64 tristate "RAID-0 (striping) mode"
68 use the so-called raid0 mode, i.e. it will combine the hard disk
74 Software-RAID mini-HOWTO, available from
84 tristate "RAID-1 (mirroring) mode"
87 A RAID-1 set consists of several disk drives which are exact copies
89 will continue to use the operational mirrors in the set, providing
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| /Linux-v5.15/kernel/trace/ |
| D | Kconfig | 1 # SPDX-License-Identifier: GPL-2.0-only
16 See Documentation/trace/ftrace-design.rst
21 See Documentation/trace/ftrace-design.rst
26 See Documentation/trace/ftrace-design.rst
37 If this is set, then arguments and stack can be found from
46 See Documentation/trace/ftrace-design.rst
51 See Documentation/trace/ftrace-design.rst
56 Arch supports the gcc options -pg with -mfentry
61 Arch supports the gcc options -pg with -mrecord-mcount and -nop-mcount
66 Arch supports objtool --mcount
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| /Linux-v5.15/kernel/rcu/ |
| D | Kconfig | 1 # SPDX-License-Identifier: GPL-2.0-only
3 # RCU-related configuration options
24 thousands of CPUs, but for which real-time response
35 designed for UP systems from which real-time response
40 bool "Make expert-level adjustments to RCU configuration"
44 expert-level adjustments to RCU configuration. By default,
45 no such adjustments can be made, which has the often-beneficial
46 side-effect of preventing "make oldconfig" from asking you all
48 obscure RCU options to be set up.
50 Say Y if you need to make expert-level adjustments to RCU.
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| /Linux-v5.15/include/linux/ |
| D | lru_cache.h | 1 /* SPDX-License-Identifier: GPL-2.0-or-later */
7 Copyright (C) 2003-2008, LINBIT Information Technologies GmbH.
8 Copyright (C) 2003-2008, Philipp Reisner <philipp.reisner@linbit.com>.
9 Copyright (C) 2003-2008, Lars Ellenberg <lars.ellenberg@linbit.com>.
24 This header file (and its .c file; kernel-doc of functions see there)
26 and changes to an "active set" of objects, as well as pending transactions,
30 the active set before we can "heat" a previously unused region.
33 As it actually Tracks Objects in an Active SeT, we could also call it
42 we need to resync all regions that have been target of in-flight WRITE IO
48 This is known as "write intent log", and can be implemented as on-disk
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| /Linux-v5.15/drivers/powercap/ |
| D | idle_inject.c | 1 // SPDX-License-Identifier: GPL-2.0
8 * states for a specified fraction of time over a specified period.
13 * All of the kthreads used for idle injection are created at init time.
25 * After all of them have been woken up, a timer is set to start the next idle
34 * It is up to the user of this framework to provide a lock for higher-level
51 * struct idle_inject_thread - task on/off switch structure
61 * struct idle_inject_device - idle injection data
63 * @idle_duration_us: duration of CPU idle time to inject
64 * @run_duration_us: duration of CPU run time to allow
80 * idle_inject_wakeup - Wake up idle injection threads
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| /Linux-v5.15/Documentation/admin-guide/ |
| D | xfs.rst | 1 .. SPDX-License-Identifier: GPL-2.0
8 on the SGI IRIX platform. It is completely multi-threaded, can
15 for further details. This implementation is on-disk compatible
25 Sets the buffered I/O end-of-file preallocation size when
28 through to 1GiB, inclusive, in power-of-2 increments.
30 The default behaviour is for dynamic end-of-file
31 preallocation size, which uses a set of heuristics to
40 on-disk. When the new form is used for the first time when
42 attributes) the on-disk superblock feature bit field will be
45 The default behaviour is determined by the on-disk feature
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| /Linux-v5.15/Documentation/virt/kvm/devices/ |
| D | vcpu.rst | 1 .. SPDX-License-Identifier: GPL-2.0
9 kvm_device_attr as other devices, but targets VCPU-wide settings and controls.
19 ---------------------------------------
27 -EBUSY The PMU overflow interrupt is already set
28 -EFAULT Error reading interrupt number
29 -ENXIO PMUv3 not supported or the overflow interrupt not set
31 -ENODEV KVM_ARM_VCPU_PMU_V3 feature missing from VCPU
32 -EINVAL Invalid PMU overflow interrupt number supplied or
33 trying to set the IRQ number without using an in-kernel
43 ---------------------------------------
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| /Linux-v5.15/Documentation/admin-guide/cgroup-v1/ |
| D | devices.rst | 24 An entry is added using devices.allow, and removed using
27 echo 'c 1:3 mr' > /sys/fs/cgroup/1/devices.allow
36 echo a > /sys/fs/cgroup/1/devices.allow
61 access permissions than its parent. Every time an entry is written to
63 from their whitelist and all the locally set whitelist entries will be
64 re-evaluated. In case one of the locally set whitelist entries would provide
74 A allow "b 8:* rwm", "c 116:1 rw"
103 # echo "c *:3 rwm" >A/devices.allow
113 # echo "c 2:3 rwm" >B/devices.allow
114 # echo "c 50:3 r" >B/devices.allow
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| /Linux-v5.15/Documentation/block/ |
| D | data-integrity.rst | 10 corruption is done at read time which could potentially be months
40 allow the operating system to interact with the integrity metadata
53 encouraged them to allow separation of the data and integrity metadata
54 scatter-gather lists.
60 Also, the 16-bit CRC checksum mandated by both the SCSI and SATA specs
63 performance for a number of workloads. Some controllers allow a
64 lighter-weight checksum to be used when interfacing with the operating
66 The IP checksum received from the OS is converted to the 16-bit CRC
91 device. However, at the same time this is also the biggest
102 concept of an end-to-end protection scheme is a layering violation.
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| /Linux-v5.15/Documentation/userspace-api/ |
| D | unshare.rst | 10 ----------
14 --------
26 -----------
37 outside the confinement of all-or-nothing shared resources of legacy
38 threads. On Linux, at the time of thread creation using the clone system
44 shared at the time of their creation. unshare() was conceptualized by
45 Al Viro in the August of 2000, on the Linux-Kernel mailing list, as part
49 addition to the set of available primitives on Linux that implement
53 -----------
59 even non-threaded applications if they have a need to disassociate
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| /Linux-v5.15/security/apparmor/ |
| D | file.c | 1 // SPDX-License-Identifier: GPL-2.0-only
7 * Copyright (C) 1998-2008 Novell/SUSE
8 * Copyright 2009-2010 Canonical Ltd.
40 * file_audit_cb - call back for file specific audit fields
50 if (aad(sa)->request & AA_AUDIT_FILE_MASK) { in file_audit_cb()
52 map_mask_to_chr_mask(aad(sa)->request)); in file_audit_cb()
55 if (aad(sa)->denied & AA_AUDIT_FILE_MASK) { in file_audit_cb()
57 map_mask_to_chr_mask(aad(sa)->denied)); in file_audit_cb()
60 if (aad(sa)->request & AA_AUDIT_FILE_MASK) { in file_audit_cb()
64 from_kuid(&init_user_ns, aad(sa)->fs.ouid)); in file_audit_cb()
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| /Linux-v5.15/kernel/power/ |
| D | Kconfig | 1 # SPDX-License-Identifier: GPL-2.0-only
7 Allow the system to enter sleep states in which main memory is
9 suspend-to-RAM state (e.g. the ACPI S3 state).
30 user-space before invoking suspend. There's a run-time switch
32 This setting changes the default for the run-tim switch. Say Y
60 for suspend states like suspend-to-RAM (STR) often don't work very
72 <file:Documentation/power/swsusp-and-swap-files.rst>).
100 The default resume partition is the partition that the suspend-
101 to-disk implementation will look for a suspended disk image.
111 which will set the resume partition to the device specified.
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| /Linux-v5.15/Documentation/virt/kvm/ |
| D | timekeeping.rst | 1 .. SPDX-License-Identifier: GPL-2.0
4 Timekeeping Virtualization for X86-Based Architectures
23 time introduces a new set of challenges because it introduces a multiplexed
24 division of time beyond the control of the guest CPU.
32 information relevant to KVM and hardware-based virtualization.
41 2.1. i8254 - PIT
42 ----------------
46 channels which can be programmed to deliver periodic or one-shot interrupts.
53 The PIT uses I/O ports 0x40 - 0x43. Access to the 16-bit counters is done
59 -------------- ----------------
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| /Linux-v5.15/Documentation/admin-guide/cifs/ |
| D | usage.rst | 18 MS-SMB2 (for detailed SMB2/SMB3/SMB3.1.1 protocol specification)
36 (e.g. /usr/src/linux-2.5.73)
48 the modules directory e.g. /lib/modules/2.4.10-4GB/kernel/fs/cifs/cifs.ko).
57 required, mount.cifs is recommended. Most distros include a ``cifs-utils``
63 found at cifs-utils.git on git.samba.org
72 at module initialization time (by running insmod cifs.ko) can be seen.
122 mounts, unless umount is invoked with -i (which will avoid invoking a umount
125 allow adding entries to a file to the /etc/permissions file to achieve the
166 disabled on a per-mount basis by specifying ``nouser_xattr`` on mount.
168 The CIFS client can get and set POSIX ACLs (getfacl, setfacl) to Samba servers
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| /Linux-v5.15/net/sched/ |
| D | Kconfig | 1 # SPDX-License-Identifier: GPL-2.0-only
20 example if some of your network devices are real time devices that
25 To administer these schedulers, you'll need the user-level utilities
51 Say Y here if you want to use the Class-Based Queueing (CBQ) packet
53 into a tree-like hierarchy of classes; the leaves of this tree are
71 in-depth articles.
92 Say Y here if you want to use the ATM pseudo-scheduler. This
105 Say Y here if you want to use an n-band priority queue packet
112 tristate "Hardware Multiqueue-aware Multi Band Queuing (MULTIQ)"
114 Say Y here if you want to use an n-band queue packet scheduler
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