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/Documentation/devicetree/bindings/powerpc/
Dibm,powerpc-cpu-features.txt3 (skiboot/doc/device-tree/ibm,powerpc-cpu-features/binding.txt)
9 ibm,powerpc-cpu-features binding
12 This device tree binding describes CPU features available to software, with
19 /cpus/ibm,powerpc-cpu-features node binding
20 -------------------------------------------
22 Node: ibm,powerpc-cpu-features
24 Description: Container of CPU feature nodes.
26 The node name must be "ibm,powerpc-cpu-features".
35 - compatible
38 Definition: "ibm,powerpc-cpu-features"
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/Documentation/core-api/
Dentry.rst16 exceptions`_, `NMI and NMI-like exceptions`_.
18 Non-instrumentable code - noinstr
19 ---------------------------------
33 .. code-block:: c
37 handle_entry(); // <-- must be 'noinstr' or '__always_inline'
41 handle_context(); // <-- instrumentable code
45 handle_exit(); // <-- must be 'noinstr' or '__always_inline'
51 Invoking non-instrumentable functions from instrumentable context has no
55 All non-instrumentable entry/exit code sections before and after the RCU
59 --------
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Dcachetlb.rst20 on a cpu (see mm_cpumask()), one need not perform a flush
21 for this address space on that cpu.
24 "TLB" is abstracted under Linux as something the cpu uses to cache
25 virtual-->physical address translations obtained from the software
36 visible to the cpu.
46 'mm' will be visible to the cpu. That is, after running,
59 modifications for the address space 'vma->vm_mm' in the range
60 'start' to 'end-1' will be visible to the cpu. That is, after
62 virtual addresses in the range 'start' to 'end-1'.
78 address space is available via vma->vm_mm. Also, one may
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/Documentation/networking/device_drivers/ethernet/freescale/
Ddpaa.rst1 .. SPDX-License-Identifier: GPL-2.0
8 - Madalin Bucur <madalin.bucur@nxp.com>
9 - Camelia Groza <camelia.groza@nxp.com>
13 - DPAA Ethernet Overview
14 - DPAA Ethernet Supported SoCs
15 - Configuring DPAA Ethernet in your kernel
16 - DPAA Ethernet Frame Processing
17 - DPAA Ethernet Features
18 - DPAA IRQ Affinity and Receive Side Scaling
19 - Debugging
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/Documentation/devicetree/bindings/watchdog/
Dqcom-wdt.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/watchdog/qcom-wdt.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Qualcomm Krait Processor Sub-system (KPSS) Watchdog timer
10 - Rajendra Nayak <quic_rjendra@quicinc.com>
14 pattern: "^(watchdog|timer)@[0-9a-f]+$"
18 - items:
19 - enum:
20 - qcom,kpss-wdt-ipq4019
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/Documentation/devicetree/bindings/interrupt-controller/
Darm,gic.yaml1 # SPDX-License-Identifier: GPL-2.0
3 ---
4 $id: http://devicetree.org/schemas/interrupt-controller/arm,gic.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Marc Zyngier <marc.zyngier@arm.com>
17 Primary GIC is attached directly to the CPU and typically has PPIs and SGIs.
22 - $ref: /schemas/interrupt-controller.yaml#
27 - items:
28 - enum:
29 - arm,arm11mp-gic
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/Documentation/mm/
Dmemory-model.rst1 .. SPDX-License-Identifier: GPL-2.0
11 for the CPU. Then there could be several contiguous ranges at
23 Regardless of the selected memory model, there exists one-to-one
35 non-NUMA systems with contiguous, or mostly contiguous, physical
54 straightforward: `PFN - ARCH_PFN_OFFSET` is an index to the
65 as hot-plug and hot-remove of the physical memory, alternative memory
66 maps for non-volatile memory devices and deferred initialization of
85 NR\_MEM\_SECTIONS = 2 ^ {(MAX\_PHYSMEM\_BITS - SECTION\_SIZE\_BITS)}
87 The `mem_section` objects are arranged in a two-dimensional array
104 corresponding `struct page` - a "classic sparse" and "sparse
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/Documentation/hwmon/
Dadm9240.rst10 Addresses scanned: I2C 0x2c - 0x2f
20 Addresses scanned: I2C 0x2c - 0x2f
24 http://pdfserv.maxim-ic.com/en/ds/DS1780.pdf
30 Addresses scanned: I2C 0x2c - 0x2f
37 - Frodo Looijaard <frodol@dds.nl>,
38 - Philip Edelbrock <phil@netroedge.com>,
39 - Michiel Rook <michiel@grendelproject.nl>,
40 - Grant Coady <gcoady.lk@gmail.com> with guidance
44 ---------
46 chip MSB 5-bit address. Each chip reports a unique manufacturer
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/Documentation/translations/zh_TW/admin-guide/
Dbug-hunting.rst1 .. SPDX-License-Identifier: GPL-2.0
3 .. include:: ../disclaimer-zh_TW.rst
5 :Original: :doc:`../../../admin-guide/bug-hunting`
17 ------------[ cut here ]------------
18 WARNING: CPU: 1 PID: 28102 at kernel/module.c:1108 module_put+0x57/0x70
19 …Modules linked in: dvb_usb_gp8psk(-) dvb_usb dvb_core nvidia_drm(PO) nvidia_modeset(PO) snd_hda_co…
20 CPU: 1 PID: 28102 Comm: rmmod Tainted: P WC O 4.8.4-build.1 #1
21 Hardware name: MSI MS-7309/MS-7309, BIOS V1.12 02/23/2009
49 ---[ end trace 6ebc60ef3981792f ]---
67 -----------
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/Documentation/translations/zh_CN/admin-guide/
Dbug-hunting.rst1 .. include:: ../disclaimer-zh_CN.rst
3 :Original: :doc:`../../../admin-guide/bug-hunting`
14 ------------[ cut here ]------------
15 WARNING: CPU: 1 PID: 28102 at kernel/module.c:1108 module_put+0x57/0x70
16 …Modules linked in: dvb_usb_gp8psk(-) dvb_usb dvb_core nvidia_drm(PO) nvidia_modeset(PO) snd_hda_co…
17 CPU: 1 PID: 28102 Comm: rmmod Tainted: P WC O 4.8.4-build.1 #1
18 Hardware name: MSI MS-7309/MS-7309, BIOS V1.12 02/23/2009
46 ---[ end trace 6ebc60ef3981792f ]---
64 -----------
67 `Documentation/admin-guide/tainted-kernels.rst` 文件中进行了描述，“正在被加
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/Documentation/admin-guide/
Dbug-hunting.rst6 ------------[ cut here ]------------
7 WARNING: CPU: 1 PID: 28102 at kernel/module.c:1108 module_put+0x57/0x70
8 …Modules linked in: dvb_usb_gp8psk(-) dvb_usb dvb_core nvidia_drm(PO) nvidia_modeset(PO) snd_hda_co…
9 CPU: 1 PID: 28102 Comm: rmmod Tainted: P WC O 4.8.4-build.1 #1
10 Hardware name: MSI MS-7309/MS-7309, BIOS V1.12 02/23/2009
38 ---[ end trace 6ebc60ef3981792f ]---
58 -----------------
62 file:`Documentation/admin-guide/tainted-kernels.rst`, "being loaded" is
63 annotated with "+", and "being unloaded" is annotated with "-".
67 -------------------------------------
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Dkernel-parameters.txt16 force -- enable ACPI if default was off
17 on -- enable ACPI but allow fallback to DT [arm64,riscv64]
18 off -- disable ACPI if default was on
19 noirq -- do not use ACPI for IRQ routing
20 strict -- Be less tolerant of platforms that are not
22 rsdt -- prefer RSDT over (default) XSDT
23 copy_dsdt -- copy DSDT to memory
24 nospcr -- disable console in ACPI SPCR table as
41 If set to vendor, prefer vendor-specific driver
73 Documentation/firmware-guide/acpi/debug.rst for more information about
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/Documentation/admin-guide/hw-vuln/
Dl1tf.rst1 L1TF - L1 Terminal Fault
10 -------------------
15 - Processors from AMD, Centaur and other non Intel vendors
17 - Older processor models, where the CPU family is < 6
19 - A range of Intel ATOM processors (Cedarview, Cloverview, Lincroft,
22 - The Intel XEON PHI family
24 - Intel processors which have the ARCH_CAP_RDCL_NO bit set in the
25 IA32_ARCH_CAPABILITIES MSR. If the bit is set the CPU is not affected
33 ------------
38 CVE-2018-3615 L1 Terminal Fault SGX related aspects
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/Documentation/PCI/
Dmsi-howto.rst1 .. SPDX-License-Identifier: GPL-2.0
17 to change your driver to use MSI or MSI-X and some basic diagnostics to
25 address which causes an interrupt to be received by the CPU.
28 in PCI 3.0 to allow each interrupt to be masked individually. The MSI-X
32 Devices may support both MSI and MSI-X, but only one can be enabled at
40 traditional pin-based interrupts.
42 Pin-based PCI interrupts are often shared amongst several devices.
47 When a device writes data to memory, then raises a pin-based interrupt,
49 arrived in memory (this becomes more likely with devices behind PCI-PCI
54 Using MSIs avoids this problem as the interrupt-generating write cannot
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/Documentation/filesystems/
Dproc.rst1 .. SPDX-License-Identifier: GPL-2.0
24 1.1 Process-Specific Subdirectories
36 3 Per-Process Parameters
37 3.1 /proc/<pid>/oom_adj & /proc/<pid>/oom_score_adj - Adjust the oom-killer
39 3.2 /proc/<pid>/oom_score - Display current oom-killer score
40 3.3 /proc/<pid>/io - Display the IO accounting fields
41 3.4 /proc/<pid>/coredump_filter - Core dump filtering settings
42 3.5 /proc/<pid>/mountinfo - Information about mounts
44 3.7 /proc/<pid>/task/<tid>/children - Information about task children
45 3.8 /proc/<pid>/fdinfo/<fd> - Information about opened file
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/Documentation/virt/kvm/
Dapi.rst1 .. SPDX-License-Identifier: GPL-2.0
4 The Definitive KVM (Kernel-based Virtual Machine) API Documentation
13 - System ioctls: These query and set global attributes which affect the
17 - VM ioctls: These query and set attributes that affect an entire virtual
24 - vcpu ioctls: These query and set attributes that control the operation
25 of a single virtual cpu.
32 - device ioctls: These query and set attributes that control the operation
46 create a virtual cpu or device and return a file descriptor pointing to
80 facility that allows backward-compatible extensions to the API to be
104 the ioctl returns -ENOTTY.
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/Documentation/networking/
Dfilter.rst1 .. SPDX-License-Identifier: GPL-2.0
3 .. _networking-filter:
10 ------
17 ------------
24 BPF allows a user-space program to attach a filter onto any socket and
49 The biggest user of this construct might be libpcap. Issuing a high-level
50 filter command like `tcpdump -i em1 port 22` passes through the libpcap
52 via SO_ATTACH_FILTER to the kernel. `tcpdump -i em1 port 22 -ddd`
57 qdisc layer, SECCOMP-BPF (SECure COMPuting [1]_), and lots of other places
60 .. [1] Documentation/userspace-api/seccomp_filter.rst
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