user\-selected (full) in projects: linux-6.12.1

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/linux-6.12.1/Documentation/admin-guide/hw-vuln/
D	core-scheduling.rst	1 .. SPDX-License-Identifier: GPL-2.0 15 ---------------- 16 A cross-HT attack involves the attacker and victim running on different Hyper 18 full mitigation of cross-HT attacks is to disable Hyper Threading (HT). Core 19 scheduling is a scheduler feature that can mitigate some (not all) cross-HT 21 user-designated trusted group can share a core. This increase in core sharing 27 core involves additional overhead - especially when the system is lightly 29 scheduling to perform more poorly compared to SMT-disabled, where N_CPUS is the 33 ----- 35 Using this feature, userspace defines groups of tasks that can be co-scheduled [all …]
D	srso.rst	1 .. SPDX-License-Identifier: GPL-2.0 8 known scenario of poisoning CPU functional units - the Branch Target 9 Buffer (BTB) and Return Address Predictor (RAP) in this case - and then 14 Return Address Stack/Return Stack Buffer). In some cases, a non-architectural 20 but the concern is that an attacker can mis-train the CPU BTB to predict 21 non-architectural CALL instructions in kernel space and use this to 23 leading to information disclosure via a speculative side-channel. 25 The issue is tracked under CVE-2023-20569. 28 ------------------- 30 AMD Zen, generations 1-4. That is, all families 0x17 and 0x19. Older [all …]
/linux-6.12.1/Documentation/arch/arm64/
D	memory-tagging-extension.rst	8 Date: 2020-02-25 18 (Top Byte Ignore) feature and allows software to access a 4-bit 19 allocation tag for each 16-byte granule in the physical address space. 20 Such memory range must be mapped with the Normal-Tagged memory 21 attribute. A logical tag is derived from bits 59-56 of the virtual 29 When ``CONFIG_ARM64_MTE`` is selected and Memory Tagging Extension is 34 -------- 36 To access the allocation tags, a user process must enable the Tagged 40 ``PROT_MTE`` - Pages allow access to the MTE allocation tags. 43 user address space and preserved on copy-on-write. ``MAP_SHARED`` is [all …]
/linux-6.12.1/Documentation/ABI/stable/
D	sysfs-driver-firmware-zynqmp	1 What: /sys/devices/platform/firmware\:zynqmp-firmware/ggs* 11 The register is reset during system or power-on 17 # cat /sys/devices/platform/firmware\:zynqmp-firmware/ggs0 18 # echo <value> > /sys/devices/platform/firmware\:zynqmp-firmware/ggs0 22 # cat /sys/devices/platform/firmware\:zynqmp-firmware/ggs0 23 # echo 0x1234ABCD > /sys/devices/platform/firmware\:zynqmp-firmware/ggs0 27 What: /sys/devices/platform/firmware\:zynqmp-firmware/pggs* 38 This register is only reset by the power-on reset 46 # cat /sys/devices/platform/firmware\:zynqmp-firmware/pggs0 47 # echo <value> > /sys/devices/platform/firmware\:zynqmp-firmware/pggs0 [all …]
/linux-6.12.1/Documentation/usb/
D	gadget_printer.rst	24 This driver is structured for printer firmware that runs in user mode. The 25 user mode printer firmware will read and write data from the kernel mode 28 user space firmware can read or write this status byte using a device file 29 /dev/g_printer . Both blocking and non-blocking read/write calls are supported. 97 gcc prn_example.c -o prn_example 103 # prn_example -read_data 108 # cat data_file \| prn_example -write_data 113 # prn_example -get_status 116 Printer is NOT Selected 121 To set printer to Selected/On-line:: [all …]
/linux-6.12.1/arch/
D	Kconfig	1 # SPDX-License-Identifier: GPL-2.0 21 # Selected by architectures that need custom DMA operations for e.g. legacy 22 # IOMMUs not handled by dma-iommu. Drivers must never select this symbol. 29 menu "General architecture-dependent options" 34 Select if the architecture can check permissions at sub-page 44 # Selected by HOTPLUG_CORE_SYNC_DEAD or HOTPLUG_CORE_SYNC_FULL 48 # Basic CPU dead synchronization selected by architecture 53 # Full CPU synchronization with alive state selected by architecture 80 for kernel debugging, non-intrusive instrumentation and testing. 89 makes certain almost-always-true or almost-always-false branch [all …]
/linux-6.12.1/drivers/thermal/intel/
D	Kconfig	1 # SPDX-License-Identifier: GPL-2.0-only 11 enforce idle time which results in more package C-state residency. The 12 user interface is exposed via generic thermal framework. 31 two trip points which can be set by user to get notifications via thermal 54 be set by user mode programs to get notifications via Linux thermal 63 temperature sensor (DTS). For X1000 SoC, it has one on-die DTS. 112 selected, hardware provides guidance to the operating system on 115 conditions of the system such power and thermal limits. If selected,
/linux-6.12.1/Documentation/trace/coresight/
D	coresight-config.rst	1 .. SPDX-License-Identifier: GPL-2.0 14 programming of the CoreSight system with pre-defined configurations that 17 Many CoreSight components can be programmed in complex ways - especially ETMs. 30 -------- 41 accesses in the driver - the resource usage and parameter descriptions 55 A parameter value is a named value that may be set by the user prior to the 64 if the user does not supply a new value. 67 system - which is described below. 74 -------------- 77 session where the configuration is selected. For any trace session only one [all …]
/linux-6.12.1/tools/perf/Documentation/
D	perf-config.txt	`1 perf-config(1) 5 ---- 6 perf-config - Get and set variables in a configuration file. 9 -------- 11 'perf config' [<file-option>] [section.name[=value] ...] 13 'perf config' [<file-option>] -l \| --list 16 ----------- 20 ------- 22 -l:: 23 --list:: [all …]`
/linux-6.12.1/Documentation/bpf/
D	prog_sk_lookup.rst	1 .. SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) 55 hashtable-based lookup, while ``SK_DROP`` causes the transport layer to drop the 68 1. If any program returned ``SK_PASS`` and selected a valid socket, the socket 70 2. If more than one program returned ``SK_PASS`` and selected a socket, the last 73 selected a socket, socket lookup fails. 74 4. If all programs returned ``SK_PASS`` and none of them selected a socket, 87 * the socket that has been selected with ``bpf_sk_assign()``. 89 Refer to ``struct bpf_sk_lookup`` declaration in ``linux/bpf.h`` user API 90 header, and `bpf-helpers(7) 91 <https://man7.org/linux/man-pages/man7/bpf-helpers.7.html>`_ man-page section
/linux-6.12.1/Documentation/admin-guide/media/
D	vivid.rst	1 .. SPDX-License-Identifier: GPL-2.0 13 Each input can be a webcam, TV capture device, S-Video capture device or an HDMI 14 capture device. Each output can be an S-Video output device or an HDMI output 23 - Support for read()/write(), MMAP, USERPTR and DMABUF streaming I/O. 24 - A large list of test patterns and variations thereof 25 - Working brightness, contrast, saturation and hue controls 26 - Support for the alpha color component 27 - Full colorspace support, including limited/full RGB range 28 - All possible control types are present 29 - Support for various pixel aspect ratios and video aspect ratios [all …]
/linux-6.12.1/Documentation/admin-guide/device-mapper/
D	dm-crypt.rst	`2 dm-crypt 5 Device-Mapper's "crypt" target provides transparent encryption of block devices 21 cipher[:keycount]-chainmode-ivmode[:ivopts] 25 aes-cbc-essiv:sha256 26 aes-xts-plain64 27 serpent-xts-plain64 30 format (selected by capi: prefix). The IV specification is the same 36 capi:cipher_api_spec-ivmode[:ivopts] 40 capi:cbc(aes)-essiv:sha256 41 capi:xts(aes)-plain64 [all …]`
/linux-6.12.1/mm/
D	Kconfig	1 # SPDX-License-Identifier: GPL-2.0-only 33 compress them into a dynamically allocated RAM-based memory pool. 42 If selected, the compressed cache for swap pages will be enabled 53 If selected, the zswap shrinker will be enabled, and the pages 189 linux-mm@kvack.org and the zswap maintainers. 207 zsmalloc is a slab-based memory allocator designed to store 222 int "Maximum number of physical pages per-zspage" 295 specifically-sized allocations with user-controlled contents 299 user-controlled allocations. This may very slightly increase 301 of extra pages since the bulk of user-controlled allocations [all …]
/linux-6.12.1/Documentation/crypto/
D	userspace-if.rst	1 User Space Interface 5 ------------ 8 applicable to the user space interface as well. Therefore, the kernel 9 crypto API high level discussion for the in-kernel use cases applies 12 The major difference, however, is that user space can only act as a 16 The following covers the user space interface exported by the kernel 18 be obtained from [1]. That library can be used by user space 21 Some details of the in-kernel kernel crypto API aspects do not apply to 22 user space, however. This includes the difference between synchronous 23 and asynchronous invocations. The user space API call is fully [all …]
/linux-6.12.1/Documentation/leds/
D	leds-lp55xx.rst	`8 ----------- 14 Device attributes for user-space interface 50 - Maximum number of channels 51 - Reset command, chip enable command 52 - Chip specific initialization 53 - Brightness control register access 54 - Setting LED output current 55 - Program memory address access for running patterns 56 - Additional device specific attributes 63 This pattern data is saved as a file in the user-land or [all …]`
/linux-6.12.1/drivers/crypto/intel/qat/qat_common/
D	adf_rl.h	`1 /* SPDX-License-Identifier: GPL-2.0-only / 18 #define RL_SLA_EMPTY_ID -1 19 #define RL_PARENT_DEFAULT_ID -1 35 struct adf_rl_sla_input_data - ratelimiting user input data structure 37 * Eg. 0x5 -> RP0 and RP2 assigned; 0xA005 -> RP0,2,13,15 assigned. 42 * Set to -1 to refer to the default parent. 45 * device throughput for a selected service. 48 * the maximum device throughput for a selected service. 55 * - add: all except sla_id 56 * - update: cir, pir, sla_id [all …]`
/linux-6.12.1/lib/
D	Kconfig	1 # SPDX-License-Identifier: GPL-2.0-only 31 converting bitfields between a CPU-usable representation and a 33 - Is little endian (bytes are reversed within a 32-bit group) 34 - The least-significant 32-bit word comes first (within a 64-bit 36 - The most significant bit of a byte is at its right (bit 0 of a 50 This option enables the use of hardware bit-reversal instructions on 90 bool "Access I/O in non-MMIO mode" 96 mechanism, the host-local I/O resource can be mapped into system 98 system can access the I/O devices with the mapped-logic PIO through 109 This is selected by other options/architectures to provide the [all …]
/linux-6.12.1/Documentation/userspace-api/media/v4l/
D	io.rst	1 .. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later 14 :c:func:`write()` function is automatically selected after opening a 19 with memory mapped or user buffers applications call the 23 application does not directly receive the image data. It is selected by 49 field-order
/linux-6.12.1/scripts/kconfig/lxdialog/
D	inputbox.c	1 // SPDX-License-Identifier: GPL-2.0+ 3 * inputbox.c -- implements the input box 16 static void print_buttons(WINDOW * dialog, int height, int width, int selected) in print_buttons() argument 18 int x = width / 2 - 11; in print_buttons() 19 int y = height - 2; in print_buttons() 21 print_button(dialog, " Ok ", y, x, selected == 0); in print_buttons() 22 print_button(dialog, " Help ", y, x + 14, selected == 1); in print_buttons() 24 wmove(dialog, y, x + 1 + 14 * selected); in print_buttons() 35 int input_x = 0, key = 0, button = -1; in dialog_inputbox() 46 if (getmaxy(stdscr) <= (height - INPUTBOX_HEIGHT_MIN)) in dialog_inputbox() [all …]
/linux-6.12.1/security/
D	Kconfig	1 # SPDX-License-Identifier: GPL-2.0-only 17 If this option is not selected, no restrictions will be enforced 30 This allows people to limit that - either never override, or 62 If this option is not selected, the default Linux security 99 implement per-packet access controls based on labels 100 derived from IPSec policy. Non-IPSec communications are 132 Intel TXT also helps solve real end user concerns about having 146 int "Low address space for LSM to protect from user allocation" 152 from userspace allocation. Keeping a user from writing to low pages 177 # https://github.com/llvm/llvm-project/issues/53645 [all …]
/linux-6.12.1/Documentation/admin-guide/mm/
D	zswap.rst	10 dynamically allocated RAM-based memory pool. zswap basically trades CPU cycles 11 for potentially reduced swap I/O. This trade-off can also result in a 24 drastically reducing life-shortening writes. 61 of type selected in ``CONFIG_ZSWAP_ZPOOL_DEFAULT`` Kconfig option is created, 69 means the compression ratio will always be 2:1 or worse (because of half-full 76 with a red-black tree per swap type. The swap offset is the search key for the 87 Zswap seeks to be simple in its policies. Sysfs attributes allow for one user 90 * max_pool_percent - The maximum percentage of memory that the compressed 93 The default compressor is selected in ``CONFIG_ZSWAP_COMPRESSOR_DEFAULT`` 107 Some of the pages in zswap are same-value filled pages (i.e. contents of the [all …]
/linux-6.12.1/drivers/firmware/qcom/
D	Kconfig	`1 # SPDX-License-Identifier: GPL-2.0-only 4 # see Documentation/kbuild/kconfig-language.rst. 29 Use the generic allocator mode. The memory is page-aligned, non-cachable 39 With this selected, all buffers passed to the TrustZone must be allocated 56 selected, the interface will also attempt to detect and register client 72 provide user-space with access to EFI variables via efivarfs.`
/linux-6.12.1/Documentation/admin-guide/LSM/
D	apparmor.rst	`10 from user space. Tasks on the system that do not have a profile defined for 19 If AppArmor should be selected as the default security module then set:: 34 policy must be loaded into the kernel from user space (see the Documentation 45 Mailing List - apparmor@lists.ubuntu.com 47 Wiki - http://wiki.apparmor.net 49 User space tools - https://gitlab.com/apparmor 51 Kernel module - git://git.kernel.org/pub/scm/linux/kernel/git/jj/linux-apparmor`
/linux-6.12.1/Documentation/ABI/testing/
D	sysfs-bus-fcoe	4 Contact: Robert Love <robert.w.love@intel.com>, devel@open-fcoe.org 12 fcoe_ctlr_device (ctlr_X). The user can then configure any 13 per-port settings and finally write to the fcoe_ctlr_device's 28 Contact: Robert Love <robert.w.love@intel.com>, devel@open-fcoe.org 66 Initialization Protocol (FIP) Keep-Alives (FKA). 83 Contact: Robert Love <robert.w.love@intel.com>, devel@open-fcoe.org 103 selected: 104 1 indicates that the switch has been selected for use; 117 The FIP Keep-Alive period 121 - "Unknown" - Initialization value [all …]
/linux-6.12.1/Documentation/devicetree/bindings/iio/magnetometer/
D	ti,tmag5273.yaml	1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) 3 --- 5 $schema: http://devicetree.org/meta-schemas/core.yaml# 7 title: TI TMAG5273 Low-Power Linear 3D Hall-Effect Sensor 10 - Gerald Loacker <gerald.loacker@wolfvision.net> 13 The TI TMAG5273 is a low-power linear 3D Hall-effect sensor. This device 14 integrates three independent Hall-effect sensors in the X, Y, and Z axes. 19 on-axis and off-axis angle measurement topologies. The angle calculation is 20 performed using two user-selected magnetic axes. 29 "#io-channel-cells": [all …]

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