| /kernel/linux/linux-5.10/kernel/ |
| D | Kconfig.preempt | 1 # SPDX-License-Identifier: GPL-2.0-only
28 at the cost of slightly lower throughput.
31 low priority process to voluntarily preempt itself even if it
39 bool "Preemptible Kernel (Low-Latency Desktop)"
47 permitting a low priority process to be preempted involuntarily
51 system is under load, at the cost of slightly lower throughput
59 bool "Fully Preemptible Kernel (Real-Time)"
63 This option turns the kernel into a real-time kernel by replacing
65 preemptible priority-inheritance aware variants, enforcing
67 non-preemptible sections. This makes the kernel, except for very
[all …]
|
| /kernel/linux/linux-6.6/drivers/iio/health/ |
| D | Kconfig | 1 # SPDX-License-Identifier: GPL-2.0-only
19 heart rate monitor and low-cost pulse oximeter.
32 heart rate monitor and low-cost pulse oximeter.
|
| /kernel/linux/linux-5.10/drivers/iio/health/ |
| D | Kconfig | 1 # SPDX-License-Identifier: GPL-2.0-only
19 heart rate monitor and low-cost pulse oximeter.
32 heart rate monitor and low-cost pulse oximeter.
|
| /kernel/linux/linux-6.6/kernel/ |
| D | Kconfig.preempt | 1 # SPDX-License-Identifier: GPL-2.0-only
41 at the cost of slightly lower throughput.
44 low priority process to voluntarily preempt itself even if it
52 bool "Preemptible Kernel (Low-Latency Desktop)"
59 permitting a low priority process to be preempted involuntarily
63 system is under load, at the cost of slightly lower throughput
71 bool "Fully Preemptible Kernel (Real-Time)"
75 This option turns the kernel into a real-time kernel by replacing
77 preemptible priority-inheritance aware variants, enforcing
79 non-preemptible sections. This makes the kernel, except for very
[all …]
|
| /kernel/linux/linux-5.10/Documentation/devicetree/bindings/arm/omap/ |
| D | omap.txt | 11 to move data from hwmod to device-tree representation.
15 - compatible: Every devices present in OMAP SoC should be in the
17 - ti,hwmods: list of hwmod names (ascii strings), that comes from the OMAP
22 - ti,no_idle_on_suspend: When present, it prevents the PM to idle the module
24 - ti,no-reset-on-init: When present, the module should not be reset at init
25 - ti,no-idle-on-init: When present, the module should not be idled at init
26 - ti,no-idle: When present, the module is never allowed to idle.
31 compatible = "ti,omap4-spinlock";
37 - General Purpose devices
39 - High Security devices
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|
| /kernel/linux/linux-6.6/block/ |
| D | Kconfig | 1 # SPDX-License-Identifier: GPL-2.0
18 - block device files will become unusable
19 - some filesystems (such as ext3) will become unavailable.
86 support for ZAC/ZBC/ZNS host-managed and host-aware zoned block
101 See Documentation/admin-guide/cgroup-v1/blkio-controller.rst for more information.
104 bool "Block throttling .low limit interface support (EXPERIMENTAL)"
107 Add .low limit interface for block throttling. The low limit is a best
128 Enable writeback throttling by default for request-based block devices.
151 bool "Enable support for cost model based cgroup IO controller"
155 Enabling this option enables the .weight interface for cost
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|
| D | blk-iocost.c | 1 /* SPDX-License-Identifier: GPL-2.0
3 * IO cost model based controller.
10 * observable cost metric. This is distinguished from CPU and memory where
17 * useless for the purpose of IO capacity distribution. While on-device
19 * non-queued rotational devices, this is no longer viable with modern
22 * While there is no cost metric we can trivially observe, it isn't a
23 * complete mystery. For example, on a rotational device, seek cost
27 * implement a reasonable work-conserving proportional IO resource
30 * 1. IO Cost Model
32 * IO cost model estimates the cost of an IO given its basic parameters and
[all …]
|
| /kernel/linux/linux-5.10/block/ |
| D | Kconfig | 1 # SPDX-License-Identifier: GPL-2.0
18 - block device files will become unusable
19 - some filesystems (such as ext3) will become unavailable.
89 support for ZAC/ZBC/ZNS host-managed and host-aware zoned block
104 See Documentation/admin-guide/cgroup-v1/blkio-controller.rst for more information.
107 bool "Block throttling .low limit interface support (EXPERIMENTAL)"
110 Add .low limit interface for block throttling. The low limit is a best
125 See Documentation/block/cmdline-partition.rst for more information.
148 bool "Enable support for cost model based cgroup IO controller"
153 Enabling this option enables the .weight interface for cost
[all …]
|
| D | blk-iocost.c | 1 /* SPDX-License-Identifier: GPL-2.0
3 * IO cost model based controller.
10 * observable cost metric. This is distinguished from CPU and memory where
17 * useless for the purpose of IO capacity distribution. While on-device
19 * non-queued rotational devices, this is no longer viable with modern
22 * While there is no cost metric we can trivially observe, it isn't a
23 * complete mystery. For example, on a rotational device, seek cost
27 * implement a reasonable work-conserving proportional IO resource
30 * 1. IO Cost Model
32 * IO cost model estimates the cost of an IO given its basic parameters and
[all …]
|
| /kernel/linux/linux-6.6/net/netfilter/ |
| D | xt_limit.c | 1 // SPDX-License-Identifier: GPL-2.0-only
2 /* (C) 1999 Jérôme de Vivie <devivie@info.enserb.u-bordeaux.fr>
3 * (C) 1999 Hervé Eychenne <eychenne@info.enserb.u-bordeaux.fr>
4 * (C) 2006-2012 Patrick McHardy <kaber@trash.net>
23 MODULE_DESCRIPTION("Xtables: rate-limit match");
31 /* Rusty: This is my (non-mathematically-inclined) understanding of
34 `credit_cap'. The `peak rate' becomes the cost of passing the
35 test, `cost'.
39 discarded. Every time the match passes, you lose `cost' credits;
45 credits per jiffy). We want to allow a rate as low as 1 per day
[all …]
|
| /kernel/linux/linux-5.10/net/netfilter/ |
| D | xt_limit.c | 1 // SPDX-License-Identifier: GPL-2.0-only
2 /* (C) 1999 Jérôme de Vivie <devivie@info.enserb.u-bordeaux.fr>
3 * (C) 1999 Hervé Eychenne <eychenne@info.enserb.u-bordeaux.fr>
4 * (C) 2006-2012 Patrick McHardy <kaber@trash.net>
25 MODULE_DESCRIPTION("Xtables: rate-limit match");
33 /* Rusty: This is my (non-mathematically-inclined) understanding of
36 `credit_cap'. The `peak rate' becomes the cost of passing the
37 test, `cost'.
41 discarded. Every time the match passes, you lose `cost' credits;
47 credits per jiffy). We want to allow a rate as low as 1 per day
[all …]
|
| /kernel/linux/linux-6.6/lib/ |
| D | Kconfig.kfence | 1 # SPDX-License-Identifier: GPL-2.0-only
7 bool "KFENCE: low-overhead sampling-based memory safety error detector"
12 KFENCE is a low-overhead sampling-based detector of heap out-of-bounds
13 access, use-after-free, and invalid-free errors. KFENCE is designed
14 to have negligible cost to permit enabling it in production
17 See <file:Documentation/dev-tools/kfence.rst> for more details.
24 enable KASAN due to its cost, consider using KFENCE.
37 setting "kfence.sample_interval" to a non-zero value enables KFENCE.
52 CPU wake-ups if the system is idle, at the risk of a less predictable
55 Warning: The KUnit test suite fails with this option enabled - due to
[all …]
|
| /kernel/linux/linux-5.10/net/bluetooth/ |
| D | Kconfig | 1 # SPDX-License-Identifier: GPL-2.0-only
20 Bluetooth is low-cost, low-power, short-range wireless technology.
21 It was designed as a replacement for cables and other short-range
31 SMP (Security Manager Protocol) on LE (Low Energy) links
41 To use Linux Bluetooth subsystem, you will need several user-space
68 Bluetooth High Speed includes support for off-loading
73 bool "Bluetooth Low Energy (LE) features"
77 Bluetooth Low Energy includes support low-energy physical
84 IPv6 compression over Bluetooth Low Energy.
128 Bluetooth Low Energy Secure Connections feature.
|
| /kernel/linux/linux-6.6/net/bluetooth/ |
| D | Kconfig | 1 # SPDX-License-Identifier: GPL-2.0-only
20 Bluetooth is low-cost, low-power, short-range wireless technology.
21 It was designed as a replacement for cables and other short-range
31 SMP (Security Manager Protocol) on LE (Low Energy) links
42 To use Linux Bluetooth subsystem, you will need several user-space
66 bool "Bluetooth Low Energy (LE) features"
70 Bluetooth Low Energy includes support low-energy physical
78 Bluetooth Low Energy L2CAP Enhanced Credit Flow Control available with
88 IPv6 compression over Bluetooth Low Energy.
139 Bluetooth Low Energy Secure Connections feature.
|
| /kernel/linux/linux-5.10/arch/arm/boot/dts/ |
| D | imx6ull-phytec-segin-lc-rdk-nand.dts | 1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
7 /dts-v1/;
9 #include "imx6ull-phytec-phycore-som.dtsi"
10 #include "imx6ull-phytec-segin.dtsi"
11 #include "imx6ull-phytec-segin-peb-eval-01.dtsi"
14 model = "PHYTEC phyBOARD-Segin i.MX6 ULL Low Cost with NAND";
15 compatible = "phytec,imx6ull-pbacd10-nand", "phytec,imx6ull-pbacd10",
16 "phytec,imx6ull-pcl063", "fsl,imx6ull";
|
| /kernel/linux/linux-6.6/Documentation/devicetree/bindings/iio/humidity/ |
| D | dht11.yaml | 1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Harald Geyer <harald@ccbib.org>
13 A simple and low cost module providing a non standard single GPIO based
30 - compatible
31 - gpios
36 - |
37 humidity-sensor {
|
| /kernel/linux/linux-5.10/Documentation/block/ |
| D | deadline-iosched.rst | 10 -----------------------
11 Refer to Documentation/block/switching-sched.rst for information on
12 selecting an io scheduler on a per-device basis.
14 ------------------------------------------------------------------------------
17 -----------------------
27 -----------------------
33 ------------------------------------
40 This parameter tunes the balance between per-request latency and aggregate
41 throughput. When low latency is the primary concern, smaller is better (where
42 a value of 1 yields first-come first-served behaviour). Increasing fifo_batch
[all …]
|
| /kernel/linux/linux-6.6/Documentation/block/ |
| D | deadline-iosched.rst | 10 -----------------------
11 Refer to Documentation/block/switching-sched.rst for information on
12 selecting an io scheduler on a per-device basis.
14 ------------------------------------------------------------------------------
17 -----------------------
27 -----------------------
33 ------------------------------------
40 This parameter tunes the balance between per-request latency and aggregate
41 throughput. When low latency is the primary concern, smaller is better (where
42 a value of 1 yields first-come first-served behaviour). Increasing fifo_batch
[all …]
|
| /kernel/linux/linux-6.6/Documentation/i2c/busses/ |
| D | i2c-diolan-u2c.rst | 2 Kernel driver i2c-diolan-u2c
6 * Diolan U2C-12 I2C-USB adapter
11 Author: Guenter Roeck <linux@roeck-us.net>
14 -----------
16 This is the driver for the Diolan U2C-12 USB-I2C adapter.
18 The Diolan U2C-12 I2C-USB Adapter provides a low cost solution to connect
22 This driver only supports the I2C interface of U2C-12. The driver does not use
27 -----------------
|
| /kernel/linux/linux-5.10/Documentation/i2c/busses/ |
| D | i2c-diolan-u2c.rst | 2 Kernel driver i2c-diolan-u2c
6 * Diolan U2C-12 I2C-USB adapter
11 Author: Guenter Roeck <linux@roeck-us.net>
14 -----------
16 This is the driver for the Diolan U2C-12 USB-I2C adapter.
18 The Diolan U2C-12 I2C-USB Adapter provides a low cost solution to connect
22 This driver only supports the I2C interface of U2C-12. The driver does not use
27 -----------------
|
| /kernel/linux/linux-6.6/arch/arm/boot/dts/nxp/imx/ |
| D | imx6ull-phytec-segin-lc-rdk-nand.dts | 1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
7 /dts-v1/;
9 #include "imx6ull-phytec-phycore-som.dtsi"
10 #include "imx6ull-phytec-segin.dtsi"
11 #include "imx6ull-phytec-segin-peb-eval-01.dtsi"
12 #include "imx6ull-phytec-segin-peb-wlbt-05.dtsi"
15 model = "PHYTEC phyBOARD-Segin i.MX6 ULL Low Cost with NAND";
16 compatible = "phytec,imx6ull-pbacd10-nand", "phytec,imx6ull-pbacd10",
17 "phytec,imx6ull-pcl063", "fsl,imx6ull";
|
| /kernel/linux/linux-5.10/Documentation/userspace-api/ |
| D | unshare.rst | 10 ----------
14 --------
17 3) Cost
21 7) Low Level Design
26 -----------
37 outside the confinement of all-or-nothing shared resources of legacy
45 Al Viro in the August of 2000, on the Linux-Kernel mailing list, as part
53 -----------
59 even non-threaded applications if they have a need to disassociate
60 from default shared namespace. The following lists two use-cases
[all …]
|
| /kernel/linux/linux-6.6/Documentation/userspace-api/ |
| D | unshare.rst | 10 ----------
14 --------
17 3) Cost
21 7) Low Level Design
26 -----------
37 outside the confinement of all-or-nothing shared resources of legacy
45 Al Viro in the August of 2000, on the Linux-Kernel mailing list, as part
53 -----------
59 even non-threaded applications if they have a need to disassociate
60 from default shared namespace. The following lists two use-cases
[all …]
|
| /kernel/linux/linux-6.6/lib/zstd/compress/ |
| D | zstd_compress_sequences.c | 5 * This source code is licensed under both the BSD-style license (found in the
8 * You may select, at your option, one of the above-listed licenses.
11 /*-*************************************
17 * -log2(x / 256) lookup table for x in [0, 256).
19 * Else: Return floor(-log2(x / 256) * 256)
54 * Returns true if we should use ncount=-1 else we should
55 * use ncount=1 for low probability symbols instead.
67 * Returns the cost in bytes of encoding the normalized count header.
81 * Returns the cost in bits of encoding the distribution described by count
86 unsigned cost = 0; in ZSTD_entropyCost() local
[all …]
|
| /kernel/linux/linux-5.10/Documentation/admin-guide/ |
| D | cgroup-v2.rst | 9 conventions of cgroup v2. It describes all userland-visible aspects
12 v1 is available under :ref:`Documentation/admin-guide/cgroup-v1/index.rst <cgroup-v1>`.
17 1-1. Terminology
18 1-2. What is cgroup?
20 2-1. Mounting
21 2-2. Organizing Processes and Threads
22 2-2-1. Processes
23 2-2-2. Threads
24 2-3. [Un]populated Notification
25 2-4. Controlling Controllers
[all …]
|