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a7f7f6248d
Since commit 84af7a6194 ("checkpatch: kconfig: prefer 'help' over
'---help---'"), the number of '---help---' has been gradually
decreasing, but there are still more than 2400 instances.
This commit finishes the conversion. While I touched the lines,
I also fixed the indentation.
There are a variety of indentation styles found.
a) 4 spaces + '---help---'
b) 7 spaces + '---help---'
c) 8 spaces + '---help---'
d) 1 space + 1 tab + '---help---'
e) 1 tab + '---help---' (correct indentation)
f) 1 tab + 1 space + '---help---'
g) 1 tab + 2 spaces + '---help---'
In order to convert all of them to 1 tab + 'help', I ran the
following commend:
$ find . -name 'Kconfig*' | xargs sed -i 's/^[[:space:]]*---help---/\thelp/'
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
110 lines
4.1 KiB
Plaintext
110 lines
4.1 KiB
Plaintext
# SPDX-License-Identifier: GPL-2.0-only
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config PROC_FS
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bool "/proc file system support" if EXPERT
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default y
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help
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This is a virtual file system providing information about the status
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of the system. "Virtual" means that it doesn't take up any space on
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your hard disk: the files are created on the fly by the kernel when
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you try to access them. Also, you cannot read the files with older
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version of the program less: you need to use more or cat.
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It's totally cool; for example, "cat /proc/interrupts" gives
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information about what the different IRQs are used for at the moment
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(there is a small number of Interrupt ReQuest lines in your computer
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that are used by the attached devices to gain the CPU's attention --
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often a source of trouble if two devices are mistakenly configured
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to use the same IRQ). The program procinfo to display some
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information about your system gathered from the /proc file system.
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Before you can use the /proc file system, it has to be mounted,
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meaning it has to be given a location in the directory hierarchy.
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That location should be /proc. A command such as "mount -t proc proc
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/proc" or the equivalent line in /etc/fstab does the job.
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The /proc file system is explained in the file
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<file:Documentation/filesystems/proc.rst> and on the proc(5) manpage
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("man 5 proc").
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This option will enlarge your kernel by about 67 KB. Several
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programs depend on this, so everyone should say Y here.
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config PROC_KCORE
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bool "/proc/kcore support" if !ARM
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depends on PROC_FS && MMU
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select CRASH_CORE
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help
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Provides a virtual ELF core file of the live kernel. This can
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be read with gdb and other ELF tools. No modifications can be
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made using this mechanism.
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config PROC_VMCORE
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bool "/proc/vmcore support"
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depends on PROC_FS && CRASH_DUMP
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default y
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help
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Exports the dump image of crashed kernel in ELF format.
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config PROC_VMCORE_DEVICE_DUMP
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bool "Device Hardware/Firmware Log Collection"
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depends on PROC_VMCORE
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default n
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help
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After kernel panic, device drivers can collect the device
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specific snapshot of their hardware or firmware before the
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underlying devices are initialized in crash recovery kernel.
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Note that the device driver must be present in the crash
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recovery kernel's initramfs to collect its underlying device
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snapshot.
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If you say Y here, the collected device dumps will be added
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as ELF notes to /proc/vmcore. You can still disable device
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dump using the kernel command line option 'novmcoredd'.
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config PROC_SYSCTL
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bool "Sysctl support (/proc/sys)" if EXPERT
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depends on PROC_FS
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select SYSCTL
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default y
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help
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The sysctl interface provides a means of dynamically changing
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certain kernel parameters and variables on the fly without requiring
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a recompile of the kernel or reboot of the system. The primary
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interface is through /proc/sys. If you say Y here a tree of
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modifiable sysctl entries will be generated beneath the
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/proc/sys directory. They are explained in the files
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in <file:Documentation/admin-guide/sysctl/>. Note that enabling this
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option will enlarge the kernel by at least 8 KB.
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As it is generally a good thing, you should say Y here unless
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building a kernel for install/rescue disks or your system is very
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limited in memory.
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config PROC_PAGE_MONITOR
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default y
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depends on PROC_FS && MMU
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bool "Enable /proc page monitoring" if EXPERT
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help
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Various /proc files exist to monitor process memory utilization:
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/proc/pid/smaps, /proc/pid/clear_refs, /proc/pid/pagemap,
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/proc/kpagecount, and /proc/kpageflags. Disabling these
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interfaces will reduce the size of the kernel by approximately 4kb.
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config PROC_CHILDREN
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bool "Include /proc/<pid>/task/<tid>/children file"
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default n
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help
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Provides a fast way to retrieve first level children pids of a task. See
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<file:Documentation/filesystems/proc.rst> for more information.
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Say Y if you are running any user-space software which takes benefit from
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this interface. For example, rkt is such a piece of software.
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config PROC_PID_ARCH_STATUS
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def_bool n
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depends on PROC_FS
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config PROC_CPU_RESCTRL
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def_bool n
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depends on PROC_FS
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