| /linux/tools/testing/selftests/livepatch/ |
| H A D | test-callbacks.sh | 2 # SPDX-License-Identifier: GPL-2.0
19 # - On livepatch enable, before the livepatch transition starts,
20 # pre-patch callbacks are executed for vmlinux and $MOD_TARGET (those
22 # according to the klp_patch, their post-patch callbacks run and the
25 # - Similarly, on livepatch disable, pre-patch callbacks run before the
26 # unpatching transition starts. klp_objects are reverted, post-patch
43 $MOD_LIVEPATCH: pre_patch_callback: $MOD_TARGET -> [MODULE_STATE_LIVE] Normal state
47 $MOD_LIVEPATCH: post_patch_callback: $MOD_TARGET -> [MODULE_STATE_LIVE] Normal state
52 $MOD_LIVEPATCH: pre_unpatch_callback: $MOD_TARGET -> [MODULE_STATE_LIVE] Normal state
56 $MOD_LIVEPATCH: post_unpatch_callback: $MOD_TARGET -> [MODULE_STATE_LIVE] Normal state
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| /linux/Documentation/livepatch/ |
| H A D | callbacks.rst | 5 Livepatch (un)patch-callbacks provide a mechanism for livepatch modules
10 - Safe updates to global data
12 - "Patches" to init and probe functions
14 - Patching otherwise unpatchable code (i.e. assembly)
25 - Module init/exit code doesn't run when disabling and re-enabling a
28 - A module notifier can't stop a to-be-patched module from loading.
39 * Pre-patch
40 - before a klp_object is patched
42 * Post-patch
43 - after a klp_object has been patched and is active
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| /linux/Documentation/devicetree/bindings/power/supply/ |
| H A D | richtek,rt5033-charger.yaml | 1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/power/supply/richtek,rt5033-charger.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Jakob Hauser <jahau@rocketmail.com>
14 under sub-node named "charger" using the following format.
18 const: richtek,rt5033-charger
20 monitored-battery:
25 precharge-current-microamp:
26 Current of pre-charge mode. The pre-charge current levels are 350 mA
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| /linux/Documentation/netlink/specs/ |
| H A D | dpll.yaml | 1 # SPDX-License-Identifier: ((GPL-2.0 WITH Linux-syscall-note) OR BSD-3-Clause)
2 ---
8 -
13 one of its inputs to syntonize with it, valid values for DPLL_A_MODE
16 -
20 -
23 render-max: true
24 -
26 name: lock-status
31 -
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| H A D | ovpn.yaml | 1 # SPDX-License-Identifier: ((GPL-2.0 WITH Linux-syscall-note) OR BSD-3-Clause)
5 # Copyright (c) 2024-2025, OpenVPN Inc.
7 ---
15 -
17 name: nonce-tail-size
19 -
21 name: cipher-alg
22 entries: [none, aes-gcm, chacha20-poly1305]
23 -
25 name: del-peer-reason
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| /linux/Documentation/gpu/amdgpu/display/ |
| H A D | display-manager.rst | 8 .. kernel-doc:: drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
11 .. kernel-doc:: drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h
17 .. kernel-doc:: drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
20 .. kernel-doc:: drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
26 .. kernel-doc:: drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_irq.c
29 .. kernel-doc:: drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_irq.c
32 .. kernel-doc:: drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
38 .. kernel-doc:: drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
41 .. kernel-doc:: drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
47 .. kernel-doc:: drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_color.c
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| /linux/drivers/clk/bcm/ |
| H A D | clk-kona.c | 1 // SPDX-License-Identifier: GPL-2.0-only
7 #include "clk-kona.h"
12 #include <linux/clk-provider.h>
28 /* Produces a mask of set bits covering a range of a 32-bit value */
31 return ((1 << width) - 1) << shift; in bitfield_mask()
53 return (u64)reg_div + ((u64)1 << div->u.s.frac_width); in scaled_div_value()
61 return (u64)div->u.fixed; in scaled_div_min()
72 return (u64)div->u.fixed; in scaled_div_max()
74 reg_div = ((u32)1 << div->u.s.width) - 1; in scaled_div_max()
80 * Convert a scaled divisor into its divider representation as
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| H A D | clk-kona.h | 1 /* SPDX-License-Identifier: GPL-2.0-only */
16 #include <linux/clk-provider.h>
24 #define BAD_CLK_NAME ((const char *)-1)
33 #define FLAG_SET(obj, type, flag) ((obj)->flags |= FLAG(type, flag))
34 #define FLAG_CLEAR(obj, type, flag) ((obj)->flags &= ~(FLAG(type, flag)))
35 #define FLAG_FLIP(obj, type, flag) ((obj)->flags ^= FLAG(type, flag))
36 #define FLAG_TEST(obj, type, flag) (!!((obj)->flags & FLAG(type, flag)))
40 #define ccu_policy_exists(ccu_policy) ((ccu_policy)->enable.offset != 0)
44 #define policy_exists(policy) ((policy)->offset != 0)
55 #define hyst_exists(hyst) ((hyst)->offset != 0)
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| /linux/tools/perf/pmu-events/arch/arm64/fujitsu/a64fx/ |
| H A D | instruction.json | 72 … "PublicDescription": "This event counts architecturally executed floating-point move operations.",
75 "BriefDescription": "This event counts architecturally executed floating-point move operations."
84 …"PublicDescription": "This event counts architecturally executed inter-element manipulation operat…
87 …"BriefDescription": "This event counts architecturally executed inter-element manipulation operati…
90 …"PublicDescription": "This event counts architecturally executed inter-register manipulation opera…
93 …"BriefDescription": "This event counts architecturally executed inter-register manipulation operat…
108 …"PublicDescription": "This event counts architecturally executed SIMD broadcast floating-point loa…
111 …"BriefDescription": "This event counts architecturally executed SIMD broadcast floating-point load…
120 …: "This event counts architecturally executed operations that uses 'pre-index' as its addressing m…
123 …: "This event counts architecturally executed operations that uses 'pre-index' as its addressing m…
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| /linux/arch/arm64/boot/dts/amd/ |
| H A D | elba.dtsi | 1 // SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 * Copyright 2020-2022 Advanced Micro Devices, Inc.
6 #include <dt-bindings/gpio/gpio.h>
7 #include "dt-bindings/interrupt-controller/arm-gic.h"
11 compatible = "amd,pensando-elba";
12 interrupt-parent = <&gic>;
13 #address-cells = <2>;
14 #size-cells = <2>;
16 dma-coherent;
19 compatible = "fixed-clock";
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| /linux/Documentation/scsi/ |
| H A D | lpfc.rst | 1 .. SPDX-License-Identifier: GPL-2.0
12 (pre 2.6.10). The 8.0.16 release should be used if the driver is to be
20 The driver now requires a 2.6.12 (if pre-release, 2.6.12-rc1) or later
33 jitter, or a device temporarily loses connectivity (due to its cable
39 errored by the driver, the mid-layer would exhaust its retries, and the
41 re-enable the device.
56 The proposed patch was posted to the linux-scsi mailing list. The patch
57 is contained in the 2.6.10-rc2 (and later) patch kits. As such, this
71 At this time, the driver requires the 2.6.12 (if pre-release, 2.6.12-rc1)
|
| /linux/Documentation/devicetree/bindings/hwmon/ |
| H A D | moortec,mr75203.yaml | 1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Rahul Tanwar <rtanwar@maxlinear.com>
19 *) Temperature Sensor (TS) - used to monitor core temperature (e.g. mr74137).
20 *) Voltage Monitor (VM) - used to monitor voltage levels (e.g. mr74138).
21 *) Process Detector (PD) - used to assess silicon speed (e.g. mr74139).
22 *) Delay Chain - ring oscillator connected to the PD, used to measure IO
25 *) Pre Scaler - provides divide-by-X scaling of input voltage, which can then
26 be presented for VM for measurement within its range (e.g. mr76006 -
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| /linux/drivers/ntb/hw/idt/ |
| H A D | Kconfig | 1 # SPDX-License-Identifier: GPL-2.0-only
3 tristate "IDT PCIe-switch Non-Transparent Bridge support"
7 This driver supports NTB of capable IDT PCIe-switches.
9 Some of the pre-initializations must be made before IDT PCIe-switch
10 exposes its NT-functions correctly. It should be done by either proper
12 by BIOS using slave-SMBus interface changing corresponding registers
17 the ports with NT-functions intended to be activated (see SWPARTxCTL
18 and SWPORTxCTL registers). Then all NT-function BARs must be enabled
25 BAR settings of peer NT-functions, the BAR setups can't be done over
26 kernel PCI fixups. That's why the alternative pre-initialization
|
| /linux/Documentation/driver-api/media/ |
| H A D | dtv-frontend.rst | 1 .. SPDX-License-Identifier: GPL-2.0
4 ------------------------
9 The Digital TV Frontend kABI defines a driver-internal interface for
10 registering low-level, hardware specific driver to a hardware independent
29 .name = "foo DVB-T/T2/C driver",
70 .name = "Bar DVB-S/S2 demodulator",
91 /* Satellite-specific */
100 #) For satellite digital TV standards (DVB-S, DVB-S2, ISDB-S), the
128 doesn't fill its field at struct dvb_frontend_ops, it will default to
129 ``DVBFE_ALGO_SW``, meaning that the dvb-core will do a zigzag when tuning,
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| /linux/drivers/platform/x86/ |
| H A D | apple-gmux.c | 1 // SPDX-License-Identifier: GPL-2.0-only
6 * Copyright (C) 2010-2012 Andreas Heider <andreas@meetr.de>
19 #include <linux/apple-gmux.h>
32 * A `Lattice XP2`_ on pre-retinas, a `Renesas R4F2113`_ on pre-T2 retinas.
41 * dual GPUs but no built-in display.)
43 * gmux is connected to the LPC bus of the southbridge. Its I/O ports are
45 * to access a pre-retina gmux are infixed ``_pio_``, those for a pre-T2
54 * https://www.nxp.com/docs/en/data-sheet/PCAL6524.pdf
112 return inb(gmux_data->iostart + port); in gmux_pio_read8()
118 outb(val, gmux_data->iostart + port); in gmux_pio_write8()
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| /linux/Documentation/devicetree/bindings/phy/ |
| H A D | apm,xgene-phy.yaml | 1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/phy/apm,xgene-phy.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: APM X-Gene 15Gbps Multi-purpose PHY
10 - Khuong Dinh <khuong@os.amperecomputing.com>
13 PHY nodes are defined to describe on-chip 15Gbps Multi-purpose PHY. Each
14 PHY (pair of lanes) has its own node.
19 - const: apm,xgene-phy
24 '#phy-cells':
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| /linux/Documentation/filesystems/ |
| H A D | orangefs.rst | 1 .. SPDX-License-Identifier: GPL-2.0
7 OrangeFS is an LGPL userspace scale-out parallel storage system. It is ideal
51 On Fedora, install orangefs and orangefs-server::
53 dnf -y install orangefs orangefs-server
64 pvfs2-client-core.
68 pvfs2-server -f /etc/orangefs/orangefs.conf
72 systemctl start orangefs-server
76 pvfs2-ping -m /pvfsmnt
81 systemctl start orangefs-client
85 mount -t pvfs2 tcp://localhost:3334/orangefs /pvfsmnt
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| /linux/tools/testing/selftests/tc-testing/ |
| H A D | TODO.txt | 1 tc Testing Suite To-Do list:
3 - Determine what tc features are supported in the kernel. If features are not
6 - Add support for multiple versions of tc to run successively
8 - Improve error messages when tdc aborts its run. Partially done - still
9 need to better handle problems in pre- and post-suite.
11 - Use python logger module for debug/verbose output
13 - Allow tdc to write its results to file.
16 - A better implementation of the "hooks". Currently, every plugin
23 - Proper exception handling - make an exception class and use it
25 - a TestCase class, for easier testcase handling, searching, comparison
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| /linux/Documentation/arch/x86/ |
| H A D | shstk.rst | 1 .. SPDX-License-Identifier: GPL-2.0
4 Control-flow Enforcement Technology (CET) Shadow Stack
10 Control-flow Enforcement Technology (CET) covers several related x86 processor
20 control-protection fault. IBT verifies indirect CALL/JMP targets are intended
22 Stack and Indirect Branch Tracking. Today in the 64-bit kernel, only userspace
44 An application's CET capability is marked in its ELF note and can be verified
45 from readelf/llvm-readelf output::
47 readelf -n <application> | grep -a SHSTK
60 on a per-thread basis. The enablement status is inherited on clone, so if the
90 -EPERM if any of the passed feature are locked.
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|
| H A D | intel_txt.rst | 6 Technology (Intel(R) TXT), defines platform-level enhancements that
13 - Provides dynamic root of trust for measurement (DRTM)
14 - Data protection in case of improper shutdown
15 - Measurement and verification of launched environment
18 non-vPro systems. It is currently available on desktop systems
30 - LinuxTAG 2008:
31 http://www.linuxtag.org/2008/en/conf/events/vp-donnerstag.html
33 - TRUST2008:
34 http://www.trust-conference.eu/downloads/Keynote-Speakers/
35 3_David-Grawrock_The-Front-Door-of-Trusted-Computing.pdf
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| /linux/Documentation/driver-api/nvdimm/ |
| H A D | btt.rst | 2 BTT - Block Translation Table
14 using stored energy in capacitors to complete in-flight block writes, or perhaps
15 in firmware. We don't have this luxury with persistent memory - if a write is in
22 device, and reserves a portion of the underlying storage for its metadata. At
23 the heart of it, is an indirection table that re-maps all the blocks on the
35 Each arena follows the same layout for its metadata, and all references in an
37 next arena). The following depicts the "On-disk" metadata layout::
40 Backing Store +-------> Arena
41 +---------------+ | +------------------+
43 | Arena 0 +---+ | 4K |
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| /linux/block/ |
| H A D | blk-pm.c | 1 // SPDX-License-Identifier: GPL-2.0
3 #include <linux/blk-pm.h>
6 #include "blk-mq.h"
9 * blk_pm_runtime_init - Block layer runtime PM initialization routine
14 * Initialize runtime-PM-related fields for @q and start auto suspend for
15 * @dev. Drivers that want to take advantage of request-based runtime PM
16 * should call this function after @dev has been initialized, and its
18 * yet(either due to disabled/forbidden or its usage_count > 0). In most
22 * the autosuspend delay is set to -1 to make runtime suspend impossible
31 q->dev = dev; in blk_pm_runtime_init()
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| /linux/Documentation/admin-guide/ |
| H A D | init.rst | 6 This document provides some high-level reasons for failure
16 modules, to be pre-loaded by an initrd).
19 --> initial console unavailable. E.g. some serial consoles are unreliable
20 due to serial IRQ issues (e.g. missing interrupt-based configuration).
24 dependencies of the init binary such as ``/lib/ld-linux.so.2`` missing or
25 broken. Use ``readelf -d <INIT>|grep NEEDED`` to find out which libraries
30 hardware. In case you tried loading a non-binary file here (shell script?),
31 you should make sure that the script specifies an interpreter in its
32 shebang header line (``#!/...``) that is fully working (including its
34 simple non-script binary such as ``/bin/sh`` and confirm its successful
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| /linux/sound/core/ |
| H A D | pcm_memory.c | 1 // SPDX-License-Identifier: GPL-2.0-or-later
35 card->total_pcm_alloc_bytes += bytes; in __update_allocated_size()
40 guard(mutex)(&card->memory_mutex); in update_allocated_size()
46 guard(mutex)(&card->memory_mutex); in decrease_allocated_size()
47 WARN_ON(card->total_pcm_alloc_bytes < bytes); in decrease_allocated_size()
48 __update_allocated_size(card, -(ssize_t)bytes); in decrease_allocated_size()
58 scoped_guard(mutex, &card->memory_mutex) { in do_alloc_pages()
60 card->total_pcm_alloc_bytes + size > max_alloc_per_card) in do_alloc_pages()
61 return -ENOMEM; in do_alloc_pages()
74 if (dmab->bytes != size) in do_alloc_pages()
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| /linux/drivers/virt/vboxguest/ |
| H A D | vboxguest_core.h | 1 /* SPDX-License-Identifier: (GPL-2.0 OR CDDL-1.0) */
2 /* Copyright (C) 2010-2016 Oracle Corporation */
39 /** Pre-allocated vmmdev_memballoon_info req for query */
41 /** Pre-allocated vmmdev_memballoon_change req for inflate / deflate */
78 * Dummy page and vmap address for reserved kernel virtual-address
87 /** Wait-for-event list for threads waiting for multiple events. */
91 /** Wait-for-event list for threads waiting on HGCM async completion. */
93 /** Pre-allocated hgcm cancel2 req. for cancellation on timeout */
97 /** Pre-allocated mouse-status request for the input-device handling. */
144 * cNsHearbeatInterval and its handler sends
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