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/linux/Documentation/admin-guide/hw-vuln/
H A Drsb.rst1 .. SPDX-License-Identifier: GPL-2.0
4 RSB-related mitigations
8 Please keep this document up-to-date, otherwise you will be
17 amongst a myriad of microarchitecture-specific documents.
20 once place and clarify the reasoning behind the current RSB-related
22 the current kernel mitigations: what are the RSB-related attack vectors
39 ----
47 RSB poisoning is a technique used by SpectreRSB [#spectre-rsb]_ where
49 to speculate to an attacker-controlled address. This can happen when
54 [#intel-rsb-filling]_ [#amd-rsb-filling]_ when transitioning between
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/linux/arch/arm64/boot/dts/marvell/
H A Darmada-3720-espressobin.dts1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
6 * Romain Perier <romain.perier@free-electrons.com>
10 …* Schematic available at http://espressobin.net/wp-content/uploads/2017/08/ESPRESSObin_V5_Schemati…
13 /dts-v1/;
15 #include "armada-3720-espressobin.dtsi"
H A Darmada-3720-espressobin-emmc.dts1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
6 * Romain Perier <romain.perier@free-electrons.com>
11 …* Schematic available at http://espressobin.net/wp-content/uploads/2017/08/ESPRESSObin_V5_Schemati…
14 /dts-v1/;
16 #include "armada-3720-espressobin.dtsi"
20 compatible = "globalscale,espressobin-emmc", "globalscale,espressobin",
H A Darmada-3720-espressobin-v7.dts1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
6 * Romain Perier <romain.perier@free-electrons.com>
11 …* Schematic available at http://espressobin.net/wp-content/uploads/2020/05/ESPRESSObin_V7-0_Schema…
14 /dts-v1/;
16 #include "armada-3720-espressobin.dtsi"
20 compatible = "globalscale,espressobin-v7", "globalscale,espressobin",
H A Darmada-3720-espressobin-v7-emmc.dts1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
6 * Romain Perier <romain.perier@free-electrons.com>
11 …* Schematic available at http://espressobin.net/wp-content/uploads/2020/05/ESPRESSObin_V7-0_Schema…
14 /dts-v1/;
16 #include "armada-3720-espressobin.dtsi"
20 compatible = "globalscale,espressobin-v7-emmc", "globalscale,espressobin-v7",
/linux/Documentation/devicetree/bindings/iio/chemical/
H A Daosong,ags02ma.yaml1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
14 https://asairsensors.com/wp-content/uploads/2021/09/AGS02MA.pdf
17 - Anshul Dalal <anshulusr@gmail.com>
22 - aosong,ags02ma
27 vdd-supply: true
30 - compatible
31 - reg
32 - vdd-supply
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H A Dsciosense,ens160.yaml1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: ScioSense ENS160 multi-gas sensor
10 - Gustavo Silva <gustavograzs@gmail.com>
13 Digital Multi-Gas Sensor for Monitoring Indoor Air Quality.
16 https://www.sciosense.com/wp-content/uploads/2023/12/ENS160-Datasheet.pdf
21 - sciosense,ens160
29 vdd-supply: true
30 vddio-supply: true
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/linux/Documentation/security/tpm/
H A Dtpm_ftpm_tee.rst23 https://www.microsoft.com/en-us/research/wp-content/uploads/2017/06/ftpm1.pdf
/linux/drivers/iio/humidity/
H A Dens210.c1 // SPDX-License-Identifier: GPL-2.0+
3 * ens210.c - Support for ScioSense ens210 temperature & humidity sensor family
5 * (7-bit I2C slave address 0x43 ENS210)
6 * (7-bit I2C slave address 0x43 ENS210A)
7 * (7-bit I2C slave address 0x44 ENS211)
8 * (7-bit I2C slave address 0x45 ENS212)
9 * (7-bit I2C slave address 0x46 ENS213A)
10 * (7-bit I2C slave address 0x47 ENS215)
13 * https://www.sciosense.com/wp-content/uploads/2024/04/ENS21x-Datasheet.pdf
14 * https://www.sciosense.com/wp-content/uploads/2023/12/ENS210-Datasheet.pdf
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/linux/Documentation/hwmon/
H A Dbpa-rs600.rst1 .. SPDX-License-Identifier: GPL-2.0
3 Kernel driver bpa-rs600
8 * BPA-RS600-120
11 http://blutekpower.com/wp-content/uploads/2019/01/BPA-RS600-120-07-19-2018.pdf
14 - Chris Packham <chris.packham@alliedtelesis.co.nz>
17 -----------
19 The BPA-RS600 is a compact 600W removable power supply module.
22 -----------
28 ----------------
/linux/drivers/net/phy/
H A Dopen_alliance_helpers.c1 // SPDX-License-Identifier: GPL-2.0+
3 * open_alliance_helpers.c - OPEN Alliance specific PHY diagnostic helpers
11 * documentation: https://opensig.org/automotive-ethernet-specifications/
13 * - Advanced diagnostic features for 1000BASE-T1 automotive Ethernet PHYs.
14 * TC12 - advanced PHY features.
15 …* https://opensig.org/wp-content/uploads/2024/03/Advanced_PHY_features_for_automotive_Ethernet_v…
24 * oa_1000bt1_get_ethtool_cable_result_code - Convert TDR status to ethtool
56 * oa_1000bt1_get_tdr_distance - Get distance to the main fault from TDR
63 * distance is not available (0x3f), the function returns -ERANGE.
65 * Return: The distance to the main fault in centimeters, or -ERANGE if the
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/linux/tools/testing/selftests/mm/
H A Duffd-unit-tests.c1 // SPDX-License-Identifier: GPL-2.0-only
5 * Copyright (C) 2015-2023 Red Hat, Inc.
8 #include "uffd-common.h"
27 ((__typeof__(x))((((unsigned long)(x)) + ((align_to)-1)) & ~((align_to)-1)))
53 .name = "shmem-private",
65 .name = "hugetlb-private",
192 return (features & test->uffd_feature_required) == in uffd_feature_supported()
193 test->uffd_feature_required; in uffd_feature_supported()
207 #define pagemap_check_wp(value, wp) do { \ argument
208 if (!!(value & PM_UFFD_WP) != wp) \
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/linux/Documentation/admin-guide/mm/
H A Duserfaultfd.rst8 Userfaults allow the implementation of on-demand paging from userland
38 Vmas are not suitable for page- (or hugepage) granular fault tracking
48 is a corner case that would currently return ``-EBUSY``).
54 ----------------------
63 - Any user can always create a userfaultfd which traps userspace page faults
67 - In order to also trap kernel page faults for the address space, either the
84 --------------------------
101 - The ``UFFD_FEATURE_EVENT_*`` flags indicate that various other events
103 detail below in the `Non-cooperative userfaultfd`_ section.
105 - ``UFFD_FEATURE_MISSING_HUGETLBFS`` and ``UFFD_FEATURE_MISSING_SHMEM``
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/linux/drivers/net/ethernet/wiznet/
H A Dw5100-spi.c1 // SPDX-License-Identifier: GPL-2.0-or-later
8 …* http://www.wiznet.co.kr/wp-content/uploads/wiznethome/Chip/W5100/Document/W5100_Datasheet_v1.2.6…
9 …* http://wiznethome.cafe24.com/wp-content/uploads/wiznethome/Chip/W5200/Documents/W5200_DS_V140E.p…
28 struct spi_device *spi = to_spi_device(ndev->dev.parent); in w5100_spi_read()
40 struct spi_device *spi = to_spi_device(ndev->dev.parent); in w5100_spi_write()
134 mutex_init(&spi_priv->cmd_lock); in w5200_spi_init()
141 struct spi_device *spi = to_spi_device(ndev->dev.parent); in w5200_spi_read()
153 struct spi_device *spi = to_spi_device(ndev->dev.parent); in w5200_spi_write()
161 struct spi_device *spi = to_spi_device(ndev->dev.parent); in w5200_spi_read16()
173 struct spi_device *spi = to_spi_device(ndev->dev.parent); in w5200_spi_write16()
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/linux/drivers/iio/chemical/
H A Dags02ma.c1 // SPDX-License-Identifier: GPL-2.0-or-later
8 * https://asairsensors.com/wp-content/uploads/2021/09/AGS02MA.pdf
10 * http://www.aosong.com/m/en/products-33.html
49 dev_err(&client->dev, in ags02ma_register_read()
59 dev_err(&client->dev, in ags02ma_register_read()
67 dev_err(&client->dev, "CRC error\n"); in ags02ma_register_read()
68 return -EIO; in ags02ma_register_read()
84 ret = ags02ma_register_read(data->client, AGS02MA_TVOC_READ_REG, in ags02ma_read_raw()
96 return -EINVAL; in ags02ma_read_raw()
118 indio_dev = devm_iio_device_alloc(&client->dev, sizeof(*data)); in ags02ma_probe()
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/linux/drivers/net/wireless/mediatek/mt7601u/
H A Dinitvals.h1 /* SPDX-License-Identifier: GPL-2.0-only */
3 * (c) Copyright 2002-2010, Ralink Technology, Inc.
4 * Copyright (C) 2015 Jakub Kicinski <kubakici@wp.pl>
40 /* Change RXWI content: Gain Report */
42 /* Change RXWI content: Antenna Report */
48 /* Added AGC controls - these AGC/GLRT registers are accessed
H A Dregs.h1 /* SPDX-License-Identifier: GPL-2.0-only */
4 * Copyright (C) 2015 Jakub Kicinski <kubakici@wp.pl>
502 /* Vendor driver defines content of the second word of STAT_FIFO as follows:
507 * However, tests show that b16-31 have the same layout as TXWI rate_ctl
529 MT_TX_AGG_CNT_BASE1 + ((_id - 8) << 2))
/linux/arch/arm64/kernel/
H A Dhw_breakpoint.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * HW_breakpoint: a unified kernel/user-space hardware breakpoint facility,
10 #define pr_fmt(fmt) "hw-breakpoint: " fmt
23 #include <asm/debug-monitors.h>
37 /* Currently stepping a per-CPU kernel breakpoint. */
151 return -EINVAL; in debug_exception_level()
164 struct task_struct *tsk = bp->hw.target; in is_compat_bp()
167 * tsk can be NULL for per-cpu (non-ptrace) breakpoints. in is_compat_bp()
177 * hw_breakpoint_slot_setup - Find and setup a perf slot according to
187 * -ENOSPC if no slot is available/matches
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/linux/Documentation/devicetree/bindings/pinctrl/
H A Dlantiq,pinctrl-xway.txt4 - compatible: "lantiq,<chip>-pinctrl", where <chip> is:
10 - reg: Should contain the physical address and length of the gpio/pinmux
13 Please refer to pinctrl-bindings.txt in this directory for details of the
21 pull-up and open-drain
24 should be enumerated and processed purely based on their content.
36 Required subnode-properties:
37 - lantiq,groups : An array of strings. Each string contains the name of a group.
39 - lantiq,function: A string containing the name of the function to mux to the
95 nand_d6, nand_d7, nand_d1, nand wr, nand wp, nand se, spi_di, spi_do,
106 Required subnode-properties:
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/linux/drivers/media/pci/saa7164/
H A Dsaa7164-core.c1 // SPDX-License-Identifier: GPL-2.0-or-later
5 * Copyright (c) 2010-2015 Steven Toth <stoth@kernellabs.com>
45 MODULE_PARM_DESC(encoder_buffers, "Total buffers in read queue 16-512 def:64");
49 MODULE_PARM_DESC(vbi_buffers, "Total buffers in read queue 16-512 def:64");
55 static unsigned int card[] = {[0 ... (SAA7164_MAXBOARDS - 1)] = UNSET };
86 u8 *p = (u8 *)buf->cpu; in saa7164_pack_verifier()
89 for (i = 0; i < buf->actual_size; i += 2048) { in saa7164_pack_verifier()
107 struct saa7164_port *port = buf->port; in saa7164_ts_verifier()
111 u8 *bufcpu = (u8 *)buf->cpu; in saa7164_ts_verifier()
113 port->sync_errors = 0; in saa7164_ts_verifier()
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/linux/Documentation/misc-devices/
H A Dibmvmc.rst1 .. SPDX-License-Identifier: GPL-2.0+
21 https://openpowerfoundation.org/wp-content/uploads/2016/05/LoPAPR_DRAFT_v11_24March2016_cmt1.pdf
27 Console (HMC) - based system management.
31 packaged as an external tower or rack-mounted personal computer. In a
33 processor-based systems.
36 ----------------------
44 POWER8 or newer processor-based server that is virtualized by PowerVM.
57 - Logical Partitioning Configuration
58 - Start, and stop actions for individual partitions
59 - Display of partition status
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/linux/Documentation/driver-api/
H A Dmtdnand.rst10 The generic NAND driver supports almost all NAND and AG-AND based chips
31 --------------------------
37 - [MTD Interface]
43 - [NAND Interface]
48 - [GENERIC]
53 - [DEFAULT]
65 -------------------------------
71 - [INTERN]
77 - [REPLACEABLE]
86 - [BOARDSPECIFIC]
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/linux/mm/
H A Duserfaultfd.c1 // SPDX-License-Identifier: GPL-2.0-only
27 if (dst_end > dst_vma->vm_end) in validate_dst_vma()
35 if (!dst_vma->vm_userfaultfd_ctx.ctx) in validate_dst_vma()
50 vma = ERR_PTR(-ENOENT); in find_vma_and_prepare_anon()
51 else if (!(vma->vm_flags & VM_SHARED) && in find_vma_and_prepare_anon()
53 vma = ERR_PTR(-ENOMEM); in find_vma_and_prepare_anon()
60 * uffd_lock_vma() - Lookup and lock vma corresponding to @address.
66 * Return: A locked vma containing @address, -ENOENT if no vma is found, or
67 * -ENOMEM if anon_vma couldn't be allocated.
80 if (!(vma->vm_flags & VM_SHARED) && unlikely(!vma->anon_vma)) in uffd_lock_vma()
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/linux/drivers/nvmem/
H A Dcore.c1 // SPDX-License-Identifier: GPL-2.0
6 * Copyright (C) 2013 Maxime Ripard <maxime.ripard@free-electrons.com>
16 #include <linux/nvmem-consumer.h>
17 #include <linux/nvmem-provider.h>
58 if (nvmem->reg_read) in __nvmem_reg_read()
59 return nvmem->reg_read(nvmem->priv, offset, val, bytes); in __nvmem_reg_read()
61 return -EINVAL; in __nvmem_reg_read()
69 if (nvmem->reg_write) { in __nvmem_reg_write()
70 gpiod_set_value_cansleep(nvmem->wp_gpio, 0); in __nvmem_reg_write()
71 ret = nvmem->reg_write(nvmem->priv, offset, val, bytes); in __nvmem_reg_write()
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/linux/arch/x86/kernel/cpu/
H A Dintel.c1 // SPDX-License-Identifier: GPL-2.0
21 #include <asm/intel-family.h>
32 * Processors which have self-snooping capability can handle conflicting
40 switch (c->x86_vfm) { in check_memory_type_self_snoop_errata()
72 if (c->x86 != 6) in probe_xeon_phi_r3mwait()
74 switch (c->x86_vfm) { in probe_xeon_phi_r3mwait()
96 * - https://newsroom.intel.com/wp-content/uploads/sites/11/2018/03/microcode-update-guidance.pdf
97 * - https://kb.vmware.com/s/article/52345
98 * - Microcode revisions observed in the wild
99 * - Release note from 20180108 microcode release
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