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/Documentation/devicetree/bindings/reserved-memory/
Dramoops.yaml1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/reserved-memory/ramoops.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Ramoops oops/panic logger
10 ramoops provides persistent RAM storage for oops and panics, so they can be
11 recovered after a reboot. This is a child-node of "/reserved-memory", and
16 as kernel log messages, or for optional ECC error-correction data. The total
19 Any remaining space will be used for a circular buffer of oops and panic
23 At least one of "record-size", "console-size", "ftrace-size", or "pmsg-size"
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/Documentation/admin-guide/
Dpstore-blk.rst1 .. SPDX-License-Identifier: GPL-2.0
3 pstore block oops/panic logger
7 ------------
9 pstore block (pstore/blk) is an oops/panic logger that writes its logs to a
10 block device and non-block device before the system crashes. You can get
13 mount -t pstore pstore /sys/fs/pstore
17 ---------------------
27 Configurations for driver are all about block device and non-block device,
31 -----------------------
51 #. /dev/<disk_name><decimal> represents the device number of partition - device
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Dbug-hunting.rst4 Kernel bug reports often come with a stack dump like the one below::
6 ------------[ cut here ]------------
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 ]---
42 the issue, it may also contain the word **Oops**, as on this one::
47 Oops: 0002 [#1] PREEMPT SMP
50 Despite being an **Oops** or some other sort of stack trace, the offended
52 we'll refer to "Oops" for all kinds of stack traces that need to be analyzed.
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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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Dquickly-build-trimmed-linux.rst1 .. SPDX-License-Identifier: (GPL-2.0+ OR CC-BY-4.0)
9 testing purposes, but perfectly fine for day-to-day use, too.
15 section below: it contains a step-by-step guide, which is more detailed, but
21 self-compiled Linux kernels; install compilers and everything else needed for
26 git clone --depth 1 -b master \
34 make -j $(nproc --all)
37 command -v installkernel && sudo make modules_install install
43 git fetch --depth 1 origin
45 git checkout --force --detach origin/master
49 make -j $(nproc --all)
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/Documentation/admin-guide/sysctl/
Dkernel.rst5 .. See scripts/check-sysctl-docs to keep this up to date
13 Documentation/admin-guide/sysctl/index.rst.
15 ------------------------------------------------------------------------------
39 If BSD-style process accounting is enabled these values control
71 The machine hardware name, the same output as ``uname -m``
77 This variable has no effect and may be removed in future kernel
129 Ctrl-Alt-Delete). Writing a value to this file which doesn't
130 correspond to a running process will result in ``-ESRCH``.
132 See also `ctrl-alt-del`_.
170 %d dump mode, matches ``PR_SET_DUMPABLE`` and
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/Documentation/arch/s390/
Ds390dbf.rst6 - arch/s390/kernel/debug.c
7 - arch/s390/include/asm/debug.h
10 ------------
24 -------
31 which are written by event- and exception-calls.
33 An event-call writes the specified debug entry to the active debug
39 An exception-call writes the specified debug entry to the log and
48 There are four versions for the event- and exception-calls: One for
50 and one for sprintf-like formatted strings.
54 - Timestamp
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/Documentation/scsi/
DChangeLog.lpfc2 * Please read the associated RELEASE-NOTES file !!!
8 * Fixed build warning for 2.6.12-rc2 kernels: mempool_alloc now
13 * Removed sysfs attributes that are used to dump the various
19 * Removed FC_TRANSPORT_PATCHESxxx defines. They're in 2.6.12-rc1.
26 * Added PCI ID for LP10000-S.
31 * Zero-out response sense length in lpfc_scsi_prep_cmnd to prevent
33 - was causing spurious 0710 messages.
55 - stop using volatile. if you need special ordering use memory
57 - switch lpfc_sli_pcimem_bcopy to take void * arguments.
58 - remove typecast for constants - a U postfix marks them
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/Documentation/gpu/
Dtodo.rst11 ----------
29 Subsystem-wide refactorings
33 ---------------------------------------------
45 --------------------------------------------------
53 non-converted driver. The "Atomic mode setting design overview" series [2]_
60 .. [1] https://blog.ffwll.ch/2014/11/atomic-modeset-support-for-kms-drivers.html
69 ---------------------------------------------------------
75 avoid confusion - the other helpers in that file are all deprecated legacy
83 ----------------------------------
88 - drm_plane_helper_funcs->atomic_check gets called for enabled or disabled
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/Documentation/admin-guide/media/
Dbttv.rst1 .. SPDX-License-Identifier: GPL-2.0
8 ----------------------
12 ./scripts/config -e PCI
13 ./scripts/config -m I2C
14 ./scripts/config -m INPUT
15 ./scripts/config -m MEDIA_SUPPORT
16 ./scripts/config -e MEDIA_PCI_SUPPORT
17 ./scripts/config -e MEDIA_ANALOG_TV_SUPPORT
18 ./scripts/config -e MEDIA_DIGITAL_TV_SUPPORT
19 ./scripts/config -e MEDIA_RADIO_SUPPORT
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/Documentation/process/
Dsubmitting-patches.rst13 works, see Documentation/process/development-process.rst. Also, read
14 Documentation/process/submit-checklist.rst
17 Documentation/devicetree/bindings/submitting-patches.rst.
20 If you're unfamiliar with ``git``, you would be well-advised to learn how to
26 :ref:`Documentation/process/maintainer-handbooks.rst <maintainer_handbooks_main>`.
29 ----------------------------
46 ---------------------
48 Describe your problem. Whether your patch is a one-line bug fix or
54 Describe user-visible impact. Straight up crashes and lockups are
59 vendor/product-specific trees that cherry-pick only specific patches
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/Documentation/networking/
Darcnet-hardware.rst1 .. SPDX-License-Identifier: GPL-2.0
11 2) This file is no longer Linux-specific. It should probably be moved out
17 e-mail apenwarr@worldvisions.ca with any settings for your particular card,
39 There are two "types" of ARCnet - STAR topology and BUS topology. This
46 well-designed standard. It uses something called "modified token passing"
47 which makes it completely incompatible with so-called "Token Ring" cards,
63 programming interface also means that when high-performance hardware
73 although they are generally kept down to the Ethernet-style 1500 bytes.
91 - Avery Pennraun <apenwarr@worldvisions.ca>
92 - Stephen A. Wood <saw@hallc1.cebaf.gov>
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