| /kernel/linux/linux-5.10/tools/testing/selftests/livepatch/ |
| 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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|
| /kernel/linux/linux-5.10/Documentation/livepatch/ |
| 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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|
| /kernel/linux/linux-4.19/Documentation/livepatch/ |
| D | callbacks.txt | 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)
22 - Module init/exit code doesn't run when disabling and re-enabling a
25 - A module notifier can't stop a to-be-patched module from loading.
33 * Pre-patch - before a klp_object is patched
35 * Post-patch - after a klp_object has been patched and is active
38 * Pre-unpatch - before a klp_object is unpatched (ie, patched code is
39 active), used to clean up post-patch callback
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|
| /kernel/linux/linux-4.19/Documentation/RCU/Design/Data-Structures/ |
| D | Data-Structures.html | 1 <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"
5 <meta HTTP-EQUIV="Content-Type" CONTENT="text/html; charset=iso-8859-1">
16 <li> <a href="#Data-Structure Relationships">
17 Data-Structure Relationships</a>
30 <li> <a href="#RCU-Specific Fields in the task_struct Structure">
31 RCU-Specific Fields in the <tt>task_struct</tt> Structure</a>
36 <h3><a name="Data-Structure Relationships">Data-Structure Relationships</a></h3>
38 <p>RCU is for all intents and purposes a large state machine, and its
57 which results in a three-level <tt>rcu_node</tt> tree.
61 </p><p>The purpose of this combining tree is to allow per-CPU events
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|
| /kernel/linux/linux-5.10/Documentation/scsi/ |
| 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)
|
| /kernel/linux/linux-5.10/drivers/clk/bcm/ |
| D | clk-kona.c | 15 #include "clk-kona.h"
20 #include <linux/clk-provider.h>
35 /* Produces a mask of set bits covering a range of a 32-bit value */
38 return ((1 << width) - 1) << shift; in bitfield_mask()
60 return (u64)reg_div + ((u64)1 << div->u.s.frac_width); in scaled_div_value()
76 combined <<= div->u.s.frac_width; in scaled_div_build()
86 return (u64)div->u.fixed; in scaled_div_min()
97 return (u64)div->u.fixed; in scaled_div_max()
99 reg_div = ((u32)1 << div->u.s.width) - 1; in scaled_div_max()
105 * Convert a scaled divisor into its divider representation as
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|
| /kernel/linux/linux-4.19/drivers/clk/bcm/ |
| D | clk-kona.c | 15 #include "clk-kona.h"
34 /* Produces a mask of set bits covering a range of a 32-bit value */
37 return ((1 << width) - 1) << shift; in bitfield_mask()
59 return (u64)reg_div + ((u64)1 << div->u.s.frac_width); in scaled_div_value()
75 combined <<= div->u.s.frac_width; in scaled_div_build()
85 return (u64)div->u.fixed; in scaled_div_min()
96 return (u64)div->u.fixed; in scaled_div_max()
98 reg_div = ((u32)1 << div->u.s.width) - 1; in scaled_div_max()
104 * Convert a scaled divisor into its divider representation as
113 return (u32)(scaled_div - ((u64)1 << div->u.s.frac_width)); in divider()
[all …]
|
| /kernel/linux/linux-4.19/Documentation/scsi/ |
| D | lpfc.txt | 11 (pre 2.6.10). The 8.0.16 release should be used if the driver is to be
19 The driver now requires a 2.6.12 (if pre-release, 2.6.12-rc1) or later
35 jitter, or a device temporarily loses connectivity (due to its cable
41 errored by the driver, the mid-layer would exhaust its retries, and the
43 re-enable the device.
58 The proposed patch was posted to the linux-scsi mailing list. The patch
59 is contained in the 2.6.10-rc2 (and later) patch kits. As such, this
72 At this time, the driver requires the 2.6.12 (if pre-release, 2.6.12-rc1)
|
| /kernel/linux/linux-4.19/Documentation/RCU/Design/Requirements/ |
| D | Requirements.html | 1 <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"
5 <meta HTTP-EQUIV="Content-Type" CONTENT="text/html; charset=utf-8">
20 Read-copy update (RCU) is a synchronization mechanism that is often
21 used as a replacement for reader-writer locking.
23 which means that RCU's read-side primitives can be exceedingly fast
33 of as an informal, high-level specification for RCU.
49 <li> <a href="#Fundamental Non-Requirements">Fundamental Non-Requirements</a>
52 <li> <a href="#Quality-of-Implementation Requirements">
53 Quality-of-Implementation Requirements</a>
56 <li> <a href="#Software-Engineering Requirements">
[all …]
|
| /kernel/linux/linux-5.10/drivers/misc/echo/ |
| D | echo.h | 1 /* SPDX-License-Identifier: GPL-2.0-only */
3 * SpanDSP - a series of DSP components for telephony
5 * echo.c - A line echo canceller. This code is being developed
24 This module aims to provide G.168-2002 compliant echo cancellation, to remove
25 electrical echoes (e.g. from 2-4 wire hybrids) from voice calls.
43 varies widely. This is quite easy to fix. If the signal level is normalised -
44 similar to applying AGC - LMS can work as well for a signal of varying
47 other algorithms exist - e.g. RLS (essentially the same as Kalman filtering),
51 A simple refinement to NLMS can improve its performance with speech. NLMS tends
54 high frequency content. Pre-whitening (i.e. filtering the signal to flatten its
[all …]
|
| /kernel/linux/linux-4.19/Documentation/devicetree/bindings/interrupt-controller/ |
| D | arm,gic-v3.txt | 5 Software Generated Interrupts (SGI), and Locality-specific Peripheral
10 - compatible : should at least contain "arm,gic-v3".
11 - interrupt-controller : Identifies the node as an interrupt controller
12 - #interrupt-cells : Specifies the number of cells needed to encode an
21 SPI interrupts are in the range [0-987]. PPI interrupts are in the
22 range [0-15].
31 pointed must be a subnode of the "ppi-partitions" subnode. For
33 this cell must be zero. See the "ppi-partitions" node description
39 - reg : Specifies base physical address(s) and size of the GIC
41 - GIC Distributor interface (GICD)
[all …]
|
| /kernel/linux/linux-5.10/drivers/ntb/hw/idt/ |
| 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
|
| /kernel/linux/linux-4.19/drivers/misc/echo/ |
| D | echo.h | 2 * SpanDSP - a series of DSP components for telephony
4 * echo.c - A line echo canceller. This code is being developed
36 This module aims to provide G.168-2002 compliant echo cancellation, to remove
37 electrical echoes (e.g. from 2-4 wire hybrids) from voice calls.
55 varies widely. This is quite easy to fix. If the signal level is normalised -
56 similar to applying AGC - LMS can work as well for a signal of varying
59 other algorithms exist - e.g. RLS (essentially the same as Kalman filtering),
63 A simple refinement to NLMS can improve its performance with speech. NLMS tends
66 high frequency content. Pre-whitening (i.e. filtering the signal to flatten its
69 low complexity filter is adequate for this, so pre-whitening adds little to the
[all …]
|
| /kernel/linux/linux-4.19/Documentation/devicetree/bindings/phy/ |
| D | apm-xgene-phy.txt | 1 * APM X-Gene 15Gbps Multi-purpose PHY nodes
3 PHY nodes are defined to describe on-chip 15Gbps Multi-purpose PHY. Each
4 PHY (pair of lanes) has its own node.
7 - compatible : Shall be "apm,xgene-phy".
8 - reg : PHY memory resource is the SDS PHY access resource.
9 - #phy-cells : Shall be 1 as it expects one argument for setting
14 - status : Shall be "ok" if enabled or "disabled" if disabled.
16 - clocks : Reference to the clock entry.
17 - apm,tx-eye-tuning : Manual control to fine tune the capture of the serial
19 Two set of 3-tuple setting for each (up to 3)
[all …]
|
| /kernel/linux/linux-5.10/Documentation/devicetree/bindings/phy/ |
| D | apm-xgene-phy.txt | 1 * APM X-Gene 15Gbps Multi-purpose PHY nodes
3 PHY nodes are defined to describe on-chip 15Gbps Multi-purpose PHY. Each
4 PHY (pair of lanes) has its own node.
7 - compatible : Shall be "apm,xgene-phy".
8 - reg : PHY memory resource is the SDS PHY access resource.
9 - #phy-cells : Shall be 1 as it expects one argument for setting
14 - status : Shall be "ok" if enabled or "disabled" if disabled.
16 - clocks : Reference to the clock entry.
17 - apm,tx-eye-tuning : Manual control to fine tune the capture of the serial
19 Two set of 3-tuple setting for each (up to 3)
[all …]
|
| /kernel/linux/linux-4.19/Documentation/media/v4l-drivers/ |
| D | imx.rst | 5 ------------
13 - Image DMA Controller (IDMAC)
14 - Camera Serial Interface (CSI)
15 - Image Converter (IC)
16 - Sensor Multi-FIFO Controller (SMFC)
17 - Image Rotator (IRT)
18 - Video De-Interlacing or Combining Block (VDIC)
24 re-ordering (for example UYVY to YUYV) within the same colorspace, and
25 even packed <--> planar conversion. It can also perform a simple
26 de-interlacing by interleaving even and odd lines during transfer
[all …]
|
| /kernel/linux/linux-5.10/arch/x86/include/asm/ |
| D | paravirt_types.h | 1 /* SPDX-License-Identifier: GPL-2.0 */
14 #define CLBR_ANY ((1 << 4) - 1)
30 #define CLBR_ANY ((1 << 9) - 1)
46 #include <asm/nospec-branch.h>
61 * Wrapper type for pointers to code which uses the non-standard
153 * read sets err to 0 or -EIO. write returns 0 or -EIO.
161 * Switch to usermode gs and return to 64-bit usermode using
162 * sysret. Only used in 64-bit kernels to return to 64-bit
224 /* Hooks for allocating and freeing a pagetable top-level */
277 /* Sometimes the physical address is a pfn, and sometimes its
[all …]
|
| /kernel/linux/linux-5.10/fs/erofs/ |
| D | utils.c | 1 // SPDX-License-Identifier: GPL-2.0-only
17 list_del(&page->lru); in erofs_allocpage()
47 return -1; in erofs_workgroup_get()
49 if (atomic_cmpxchg(&grp->refcount, o, o + 1) != o) in erofs_workgroup_get()
66 grp = xa_load(&sbi->managed_pslots, index); in erofs_find_workgroup()
74 DBG_BUGON(index != grp->index); in erofs_find_workgroup()
84 struct erofs_workgroup *pre; in erofs_insert_workgroup() local
91 atomic_inc(&grp->refcount); in erofs_insert_workgroup()
94 xa_lock(&sbi->managed_pslots); in erofs_insert_workgroup()
95 pre = __xa_cmpxchg(&sbi->managed_pslots, grp->index, in erofs_insert_workgroup()
[all …]
|
| /kernel/linux/linux-4.19/Documentation/devicetree/bindings/ata/ |
| D | sata_highbank.txt | 3 SATA nodes are defined to describe on-chip Serial ATA controllers.
6 Each SATA controller should have its own node.
9 - compatible : compatible list, contains "calxeda,hb-ahci"
10 - interrupts : <interrupt mapping for SATA IRQ>
11 - reg : <registers mapping>
14 - dma-coherent : Present if dma operations are coherent
15 - calxeda,port-phys : phandle-combophy and lane assignment, which maps each
18 - calxeda,sgpio-gpio: phandle-gpio bank, bit offset, and default on or off,
21 - calxeda,led-order : a u32 array that map port numbers to offsets within the
23 - calxeda,tx-atten : a u32 array that contains TX attenuation override
[all …]
|
| /kernel/linux/linux-4.19/arch/x86/include/asm/ |
| D | paravirt_types.h | 1 /* SPDX-License-Identifier: GPL-2.0 */
14 #define CLBR_ANY ((1 << 4) - 1)
30 #define CLBR_ANY ((1 << 9) - 1)
46 #include <asm/nospec-branch.h>
60 * Wrapper type for pointers to code which uses the non-standard
156 * read sets err to 0 or -EIO. write returns 0 or -EIO.
164 * Switch to usermode gs and return to 64-bit usermode using
165 * sysret. Only used in 64-bit kernels to return to 64-bit
228 /* Hooks for allocating and freeing a pagetable top-level */
297 /* Sometimes the physical address is a pfn, and sometimes its
[all …]
|
| /kernel/linux/linux-5.10/drivers/platform/x86/ |
| 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>
31 * A `Lattice XP2`_ on pre-retinas, a `Renesas R4F2113`_ on retinas.
34 * dual GPUs but no built-in display.)
36 * gmux is connected to the LPC bus of the southbridge. Its I/O ports are
38 * to access a pre-retina gmux are infixed ``_pio_``, those for a retina gmux
104 return inb(gmux_data->iostart + port); in gmux_pio_read8()
110 outb(val, gmux_data->iostart + port); in gmux_pio_write8()
115 return inl(gmux_data->iostart + port); in gmux_pio_read32()
[all …]
|
| /kernel/linux/linux-4.19/drivers/platform/x86/ |
| D | apple-gmux.c | 5 * Copyright (C) 2010-2012 Andreas Heider <andreas@meetr.de>
22 #include <linux/apple-gmux.h>
34 * A `Lattice XP2`_ on pre-retinas, a `Renesas R4F2113`_ on retinas.
37 * dual GPUs but no built-in display.)
39 * gmux is connected to the LPC bus of the southbridge. Its I/O ports are
41 * to access a pre-retina gmux are infixed ``_pio_``, those for a retina gmux
107 return inb(gmux_data->iostart + port); in gmux_pio_read8()
113 outb(val, gmux_data->iostart + port); in gmux_pio_write8()
118 return inl(gmux_data->iostart + port); in gmux_pio_read32()
129 outb(tmpval, gmux_data->iostart + port + i); in gmux_pio_write32()
[all …]
|
| /kernel/linux/linux-5.10/Documentation/devicetree/bindings/interrupt-controller/ |
| D | arm,gic-v3.yaml | 1 # SPDX-License-Identifier: GPL-2.0
3 ---
4 $id: http://devicetree.org/schemas/interrupt-controller/arm,gic-v3.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Marc Zyngier <marc.zyngier@arm.com>
15 Software Generated Interrupts (SGI), and Locality-specific Peripheral
19 - $ref: /schemas/interrupt-controller.yaml#
24 - items:
25 - enum:
26 - qcom,msm8996-gic-v3
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|
| /kernel/linux/linux-5.10/Documentation/driver-api/media/ |
| 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,
[all …]
|
| /kernel/linux/linux-4.19/Documentation/media/kapi/ |
| D | dtv-frontend.rst | 2 ------------------------
7 The Digital TV Frontend kABI defines a driver-internal interface for
8 registering low-level, hardware specific driver to a hardware independent
27 .name = "foo DVB-T/T2/C driver",
68 .name = "Bar DVB-S/S2 demodulator",
89 /* Satellite-specific */
98 #) For satellite digital TV standards (DVB-S, DVB-S2, ISDB-S), the
126 doesn't fill its field at struct :c:type:`dvb_frontend_ops`, it will default to
127 ``DVBFE_ALGO_SW``, meaning that the dvb-core will do a zigzag when tuning,
129 then, it will do ``f`` + |delta|, ``f`` - |delta|, ``f`` + 2 x |delta|,
[all …]
|