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git://git.kernel.org/pub/scm/linux/kernel/git/will/linux
Pull READ/WRITE_ONCE rework from Will Deacon:
"This the READ_ONCE rework I've been working on for a while, which
bumps the minimum GCC version and improves code-gen on arm64 when
stack protector is enabled"
[ Side note: I'm _really_ tempted to raise the minimum gcc version to
4.9, so that we can just say that we require _Generic() support.
That would allow us to more cleanly handle a lot of the cases where we
depend on very complex macros with 'sizeof' or __builtin_choose_expr()
with __builtin_types_compatible_p() etc.
This branch has a workaround for sparse not handling _Generic(),
either, but that was already fixed in the sparse development branch,
so it's really just gcc-4.9 that we'd require. - Linus ]
* 'rwonce/rework' of git://git.kernel.org/pub/scm/linux/kernel/git/will/linux:
compiler_types.h: Use unoptimized __unqual_scalar_typeof for sparse
compiler_types.h: Optimize __unqual_scalar_typeof compilation time
compiler.h: Enforce that READ_ONCE_NOCHECK() access size is sizeof(long)
compiler-types.h: Include naked type in __pick_integer_type() match
READ_ONCE: Fix comment describing 2x32-bit atomicity
gcov: Remove old GCC 3.4 support
arm64: barrier: Use '__unqual_scalar_typeof' for acquire/release macros
locking/barriers: Use '__unqual_scalar_typeof' for load-acquire macros
READ_ONCE: Drop pointer qualifiers when reading from scalar types
READ_ONCE: Enforce atomicity for {READ,WRITE}_ONCE() memory accesses
READ_ONCE: Simplify implementations of {READ,WRITE}_ONCE()
arm64: csum: Disable KASAN for do_csum()
fault_inject: Don't rely on "return value" from WRITE_ONCE()
net: tls: Avoid assigning 'const' pointer to non-const pointer
netfilter: Avoid assigning 'const' pointer to non-const pointer
compiler/gcc: Raise minimum GCC version for kernel builds to 4.8
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Pull more documentation updates from Jonathan Corbet:
"A handful of late-arriving docs fixes, along with a patch changing a
lot of HTTP links to HTTPS that had to be yanked and redone before the
first pull"
* tag 'docs-5.8-2' of git://git.lwn.net/linux:
docs/memory-barriers.txt/kokr: smp_mb__{before,after}_atomic(): update Documentation
Documentation: devres: add missing entry for devm_platform_get_and_ioremap_resource()
Replace HTTP links with HTTPS ones: documentation
docs: it_IT: address invalid reference warnings
doc: zh_CN: use doc reference to resolve undefined label warning
docs: Update the location of the LF NDA program
docs: dev-tools: coccinelle: underlines
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The improved paragraph about line lengths contains a sentence with a
duplicate word: there is one "are" at the end of a line, followed by a
second one at the beginning of the next line.
Drop the first one, as that one is part of the longest line.
Fixes: bdc48fa11e46f867 ("checkpatch/coding-style: deprecate 80-column warning")
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Rationale:
Reduces attack surface on kernel devs opening the links for MITM
as HTTPS traffic is much harder to manipulate.
Deterministic algorithm:
For each file:
For each line:
If doesn't contain `\bxmlns\b`:
For each link, `\bhttp://[^# \t\r\n]*(?:\w|/)`:
If both the HTTP and HTTPS versions
return 200 OK and serve the same content:
Replace HTTP with HTTPS.
Signed-off-by: Alexander A. Klimov <grandmaster@al2klimov.de>
Link: https://lore.kernel.org/r/20200526060544.25127-1-grandmaster@al2klimov.de
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
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The link to the Linux Foundation NDA program got broken in one of their
web-site thrashups; now that the information is back online, point to its
current location. This should last until the next thrashup...
Reported-by: Lukas Bulwahn <lukas.bulwahn@gmail.com>
Reviewed-by: Lukas Bulwahn <lukas.bulwahn@gmail.com>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux
Pull devicetree updates from Rob Herring:
- Convert various DT (non-binding) doc files to ReST
- Various improvements to device link code
- Fix __of_attach_node_sysfs refcounting bug
- Add support for 'memory-region-names' with reserved-memory binding
- Vendor prefixes for Protonic Holland, BeagleBoard.org, Alps, Check
Point, Würth Elektronik, U-Boot, Vaisala, Baikal Electronics,
Shanghai Awinic Technology Co., MikroTik, Silex Insight
- A bunch more binding conversions to DT schema. Only 3K to go.
- Add a minimum version check for schema tools
- Treewide dropping of 'allOf' usage with schema references. Not needed
in new json-schema spec.
- Some formatting clean-ups of schemas
* tag 'devicetree-for-5.8' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux: (194 commits)
dt-bindings: clock: Add documentation for X1830 bindings.
dt-bindings: mailbox: Convert imx mu to json-schema
dt-bindings: power: Convert imx gpcv2 to json-schema
dt-bindings: power: Convert imx gpc to json-schema
dt-bindings: Merge gpio-usb-b-connector with usb-connector
dt-bindings: timer: renesas: cmt: Convert to json-schema
dt-bindings: clock: Convert i.MX8QXP LPCG to json-schema
dt-bindings: timer: Convert i.MX GPT to json-schema
dt-bindings: thermal: rcar-thermal: Add device tree support for r8a7742
dt-bindings: serial: Add binding for UART pin swap
dt-bindings: geni-se: Add interconnect binding for GENI QUP
dt-bindings: geni-se: Convert QUP geni-se bindings to YAML
dt-bindings: vendor-prefixes: Add Silex Insight vendor prefix
dt-bindings: input: touchscreen: edt-ft5x06: change reg property
dt-bindings: usb: qcom,dwc3: Introduce interconnect properties for Qualcomm DWC3 driver
dt-bindings: timer: renesas: mtu2: Convert to json-schema
of/fdt: Remove redundant kbasename function call
dt-bindings: clock: Convert i.MX1 clock to json-schema
dt-bindings: clock: Convert i.MX21 clock to json-schema
dt-bindings: clock: Convert i.MX25 clock to json-schema
...
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Pull documentation updates from Jonathan Corbet:
"A fair amount of stuff this time around, dominated by yet another
massive set from Mauro toward the completion of the RST conversion. I
*really* hope we are getting close to the end of this. Meanwhile,
those patches reach pretty far afield to update document references
around the tree; there should be no actual code changes there. There
will be, alas, more of the usual trivial merge conflicts.
Beyond that we have more translations, improvements to the sphinx
scripting, a number of additions to the sysctl documentation, and lots
of fixes"
* tag 'docs-5.8' of git://git.lwn.net/linux: (130 commits)
Documentation: fixes to the maintainer-entry-profile template
zswap: docs/vm: Fix typo accept_threshold_percent in zswap.rst
tracing: Fix events.rst section numbering
docs: acpi: fix old http link and improve document format
docs: filesystems: add info about efivars content
Documentation: LSM: Correct the basic LSM description
mailmap: change email for Ricardo Ribalda
docs: sysctl/kernel: document unaligned controls
Documentation: admin-guide: update bug-hunting.rst
docs: sysctl/kernel: document ngroups_max
nvdimm: fixes to maintainter-entry-profile
Documentation/features: Correct RISC-V kprobes support entry
Documentation/features: Refresh the arch support status files
Revert "docs: sysctl/kernel: document ngroups_max"
docs: move locking-specific documents to locking/
docs: move digsig docs to the security book
docs: move the kref doc into the core-api book
docs: add IRQ documentation at the core-api book
docs: debugging-via-ohci1394.txt: add it to the core-api book
docs: fix references for ipmi.rst file
...
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Yes, staying withing 80 columns is certainly still _preferred_. But
it's not the hard limit that the checkpatch warnings imply, and other
concerns can most certainly dominate.
Increase the default limit to 100 characters. Not because 100
characters is some hard limit either, but that's certainly a "what are
you doing" kind of value and less likely to be about the occasional
slightly longer lines.
Miscellanea:
- to avoid unnecessary whitespace changes in files, checkpatch will no
longer emit a warning about line length when scanning files unless
--strict is also used
- Add a bit to coding-style about alignment to open parenthesis
Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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This documents ignore-unaligned-usertrap, unaligned-dump-stack, and
unaligned-trap, based on arch/arc/kernel/unaligned.c,
arch/ia64/kernel/unaligned.c, and arch/parisc/kernel/unaligned.c.
While we're at it, integrate unaligned-memory-access.txt into the docs
tree.
Signed-off-by: Stephen Kitt <steve@sk2.org>
Link: https://lore.kernel.org/r/20200515212443.5012-1-steve@sk2.org
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
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- Add a SPDX header;
- Adjust document and section titles;
- Mark literal blocks as such;
- Add it to bindings/index.rst.
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Signed-off-by: Rob Herring <robh@kernel.org>
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Some filesystem references got broken by a previous patch
series I submitted. Address those.
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Acked-by: David Sterba <dsterba@suse.com> # fs/affs/Kconfig
Link: https://lore.kernel.org/r/57318c53008dbda7f6f4a5a9e5787f4d37e8565a.1586881715.git.mchehab+huawei@kernel.org
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
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Several references got broken due to txt to ReST conversion.
Several of them can be automatically fixed with:
scripts/documentation-file-ref-check --fix
Reviewed-by: Mathieu Poirier <mathieu.poirier@linaro.org> # hwtracing/coresight/Kconfig
Reviewed-by: Paul E. McKenney <paulmck@kernel.org> # memory-barrier.txt
Acked-by: Alex Shi <alex.shi@linux.alibaba.com> # translations/zh_CN
Acked-by: Federico Vaga <federico.vaga@vaga.pv.it> # translations/it_IT
Acked-by: Marc Zyngier <maz@kernel.org> # kvm/arm64
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Link: https://lore.kernel.org/r/6f919ddb83a33b5f2a63b6b5f0575737bb2b36aa.1586881715.git.mchehab+huawei@kernel.org
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
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It is very rare to see versions of GCC prior to 4.8 being used to build
the mainline kernel. These old compilers are also know to have codegen
issues which can lead to silent miscompilation:
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=58145
Raise the minimum GCC version for kernel build to 4.8 and remove some
tautological Kconfig dependencies as a consequence.
Cc: Masahiro Yamada <masahiroy@kernel.org>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Nick Desaulniers <ndesaulniers@google.com>
Signed-off-by: Will Deacon <will@kernel.org>
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The currently minimum-supported binutils version 2.21 has the problem of
promoting symbols which are defined outside of a section into absolute.
According to Arvind:
binutils-2.21 and -2.22. An x86-64 defconfig will fail with
Invalid absolute R_X86_64_32S relocation: _etext
and after fixing that one, with
Invalid absolute R_X86_64_32S relocation: __end_of_kernel_reserve
Those two versions of binutils have a bug when it comes to handling
symbols defined outside of a section and binutils 2.23 has the proper
fix, see: https://sourceware.org/legacy-ml/binutils/2012-06/msg00155.html
Therefore, up to the fixed version directly, skipping the broken ones.
Currently shipping distros already have the fixed binutils version so
there should be no breakage resulting from this.
For more details about the whole thing, see the thread in Link.
Signed-off-by: Borislav Petkov <bp@suse.de>
Link: https://lkml.kernel.org/r/20200110202349.1881840-1-nivedita@alum.mit.edu
Acked-by: Kees Cook <keescook@chromium.org>
Acked-by: Jason A. Donenfeld <Jason@zx2c4.com>
Acked-by: Nick Desaulniers <ndesaulniers@google.com>
Acked-by: Ingo Molnar <mingo@kernel.org>
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
Pull char/misc driver updates from Greg KH:
"Here is the big set of char/misc/other driver patches for 5.7-rc1.
Lots of things in here, and it's later than expected due to some
reverts to resolve some reported issues. All is now clean with no
reported problems in linux-next.
Included in here is:
- interconnect updates
- mei driver updates
- uio updates
- nvmem driver updates
- soundwire updates
- binderfs updates
- coresight updates
- habanalabs updates
- mhi new bus type and core
- extcon driver updates
- some Kconfig cleanups
- other small misc driver cleanups and updates
As mentioned, all have been in linux-next for a while, and with the
last two reverts, all is calm and good"
* tag 'char-misc-5.7-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (174 commits)
Revert "driver core: platform: Initialize dma_parms for platform devices"
Revert "amba: Initialize dma_parms for amba devices"
amba: Initialize dma_parms for amba devices
driver core: platform: Initialize dma_parms for platform devices
bus: mhi: core: Drop the references to mhi_dev in mhi_destroy_device()
bus: mhi: core: Initialize bhie field in mhi_cntrl for RDDM capture
bus: mhi: core: Add support for reading MHI info from device
misc: rtsx: set correct pcr_ops for rts522A
speakup: misc: Use dynamic minor numbers for speakup devices
mei: me: add cedar fork device ids
coresight: do not use the BIT() macro in the UAPI header
Documentation: provide IBM contacts for embargoed hardware
nvmem: core: remove nvmem_sysfs_get_groups()
nvmem: core: use is_bin_visible for permissions
nvmem: core: use device_register and device_unregister
nvmem: core: add root_only member to nvmem device struct
extcon: axp288: Add wakeup support
extcon: Mark extcon_get_edev_name() function as exported symbol
extcon: palmas: Hide error messages if gpio returns -EPROBE_DEFER
dt-bindings: extcon: usbc-cros-ec: convert extcon-usbc-cros-ec.txt to yaml format
...
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Pull documentation updates from Jonathan Corbet:
"This has been a busy cycle for documentation work.
Highlights include:
- Lots of RST conversion work by Mauro, Daniel ALmeida, and others.
Maybe someday we'll get to the end of this stuff...maybe...
- Some organizational work to bring some order to the core-api
manual.
- Various new docs and additions to the existing documentation.
- Typo fixes, warning fixes, ..."
* tag 'docs-5.7' of git://git.lwn.net/linux: (123 commits)
Documentation: x86: exception-tables: document CONFIG_BUILDTIME_TABLE_SORT
MAINTAINERS: adjust to filesystem doc ReST conversion
docs: deprecated.rst: Add BUG()-family
doc: zh_CN: add translation for virtiofs
doc: zh_CN: index files in filesystems subdirectory
docs: locking: Drop :c:func: throughout
docs: locking: Add 'need' to hardirq section
docs: conf.py: avoid thousands of duplicate label warning on Sphinx
docs: prevent warnings due to autosectionlabel
docs: fix reference to core-api/namespaces.rst
docs: fix pointers to io-mapping.rst and io_ordering.rst files
Documentation: Better document the softlockup_panic sysctl
docs: hw-vuln: tsx_async_abort.rst: get rid of an unused ref
docs: perf: imx-ddr.rst: get rid of a warning
docs: filesystems: fuse.rst: supress a Sphinx warning
docs: translations: it: avoid duplicate refs at programming-language.rst
docs: driver.rst: supress two ReSt warnings
docs: trace: events.rst: convert some new stuff to ReST format
Documentation: Add io_ordering.rst to driver-api manual
Documentation: Add io-mapping.rst to driver-api manual
...
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Provide IBM contact for embargoed hardware issues. As POWER and Z are
different teams with different designs it makes sense to have separate
persons for the first contact.
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
Acked-by: Anton Blanchard <anton@linux.ibm.com>
Link: https://lore.kernel.org/r/20200326093831.428337-1-borntraeger@de.ibm.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Linus continues to remind[1] people to stop using the BUG()-family of
functions. We should have this better documented (even if checkpatch.pl
has been warning[2] since 2015), so add more details to deprecated.rst,
as a distinct place to point people to for guidance.
[1] https://lore.kernel.org/lkml/CAHk-=whDHsbK3HTOpTF=ue_o04onRwTEaK_ZoJp_fjbqq4+=Jw@mail.gmail.com/
[2] https://git.kernel.org/linus/9d3e3c705eb395528fd8f17208c87581b134da48
Signed-off-by: Kees Cook <keescook@chromium.org>
Link: https://lore.kernel.org/r/202003141524.59C619B51A@keescook
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
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Commit 7f2b3c65b9a1 ("Documentation/ManagementStyle: convert it to ReST
markup") converted _underlined_ to *emphasized* words, but forgot about
an underscore in this case.
Signed-off-by: Jonathan Neuschäfer <j.neuschaefer@gmx.net>
Link: https://lore.kernel.org/r/20200303192113.20761-1-j.neuschaefer@gmx.net
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
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Documentation/process/deprecated.rst has a lot of uses of :c:func:, which
is, well, deprecated. Emacs query-replace-regexp to the rescue.
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
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Add example of fall-through, list-ify the case ending statements, and
adjust the markup for links and readability. While here, adjust
strscpy() details to mention strscpy_pad().
Signed-off-by: Kees Cook <keescook@chromium.org>
Acked-by: Gustavo A. R. Silva <gustavo@embeddedor.com>
Link: https://lore.kernel.org/r/202003041102.47A4E4B62@keescook
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
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Once in a while %p usage comes up, and I've needed to have a reference
to point people to. Add %p details to deprecated.rst.
Signed-off-by: Kees Cook <keescook@chromium.org>
Link: https://lore.kernel.org/r/202003042301.F844A8C0EC@keescook
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
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Before commit 9e03ea7f683e ("Documentation/kernel-docs.txt: convert it
to ReST markup"), it read:
Description: Linux Journal Kernel Korner article. Here is its
abstract: "..."
In Sphinx' HTML formatting, however, the "Here is its" doesn't make
sense anymore, because the "Abstract:" is clearly separated.
Signed-off-by: Jonathan Neuschäfer <j.neuschaefer@gmx.net>
Link: https://lore.kernel.org/r/20200228204147.8622-1-j.neuschaefer@gmx.net
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
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The guide to the kernel dev process documentation, for example, contains
references to older kernels and their timelines. In addition, one of the
"long term support kernels" listed have since reached EOL, and a new one
has been named. This patch brings information/tables up to date.
Additionally, some very trivial grammatical errors, unclear sentences,
and potentially unsavory diction have been edited.
Signed-off-by: Tony Fischetti <tony.fischetti@gmail.com>
Reviewed-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
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This patch replace stale/dead urls with active urls for Mutt.
Signed-off-by: Bhaskar Chowdhury <unixbhaskar@gmail.com>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
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John Johansen will take over as the process ambassador for Canonical
when dealing with embargoed hardware issues.
Cc: John Johansen <john.johansen@canonical.com>
Cc: linux-kernel@vger.kernel.org
Cc: linux-doc@vger.kernel.org
Cc: Alex Shi <alex.shi@linux.alibaba.com>
Cc: Harry Wei <harryxiyou@gmail.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Jonathan Corbet <corbet@lwn.net>
Acked-by: John Johansen <john.johansen@canonical.com>
Signed-off-by: Tyler Hicks <tyhicks@canonical.com>
Link: https://lore.kernel.org/r/20200213214842.21312-1-tyhicks@canonical.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Update Microsoft contact from Sasha to James.
Cc: Sasha Levin <sashal@kernel.org>
Signed-off-by: James Morris <jmorris@namei.org>
Link: https://lore.kernel.org/r/alpine.LRH.2.21.2002061006350.22130@namei.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Peter's email address bounces, so remove him as the contact for Amazon.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Link: https://lore.kernel.org/r/20200205122551.GA1185549@kroah.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Adding myself to list after getting voluntold
Cc: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: Grant Likely <grant.likely@arm.com>
Acked-by: Catalin Marinas <catalin.marinas@arm.com>
Link: https://lore.kernel.org/r/20200205001627.27356-1-grant.likely@arm.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Pull Documentation fixes from Jonathan Corbet:
"A handful of small documentation fixes that wandered in"
* tag 'docs-5.6-2' of git://git.lwn.net/linux:
Allow git builds of Sphinx
Documentation: changes.rst: update several outdated project URLs
Documentation: build warnings related to missing blank lines after explicit markups has been fixed
mailmap: add entry for Tiezhu Yang
Documentation/ko_KR/howto: Update a broken link
Documentation/ko_KR/howto: Update broken web addresses
docs/locking: Fix outdated section names
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Update projects URLs in the changes.rst file.
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>
Acked-by: Theodore Ts'o <tytso@mit.edu>
Link: https://lore.kernel.org/r/a9c3c509-8f30-fcc4-d9e0-b53aeaa89e4f@infradead.org
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
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Pull documentation updates from Jonathan Corbet:
"It has been a relatively quiet cycle for documentation, but there's
still a couple of things of note:
- Conversion of the NFS documentation to RST
- A new document on how to help with documentation (and a maintainer
profile entry too)
Plus the usual collection of typo fixes, etc"
* tag 'docs-5.6' of git://git.lwn.net/linux: (40 commits)
docs: filesystems: add overlayfs to index.rst
docs: usb: remove some broken references
scripts/find-unused-docs: Fix massive false positives
docs: nvdimm: use ReST notation for subsection
zram: correct documentation about sysfs node of huge page writeback
Documentation: zram: various fixes in zram.rst
Add a maintainer entry profile for documentation
Add a document on how to contribute to the documentation
docs: Keep up with the location of NoUri
Documentation: Call out example SYM_FUNC_* usage as x86-specific
Documentation: nfs: fault_injection: convert to ReST
Documentation: nfs: pnfs-scsi-server: convert to ReST
Documentation: nfs: convert pnfs-block-server to ReST
Documentation: nfs: idmapper: convert to ReST
Documentation: convert nfsd-admin-interfaces to ReST
Documentation: nfs-rdma: convert to ReST
Documentation: nfsroot.rst: COSMETIC: refill a paragraph
Documentation: nfsroot.txt: convert to ReST
Documentation: convert nfs.txt to ReST
Documentation: filesystems: convert vfat.txt to RST
...
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Signed-off-by: David Woodhouse <dwmw@amazon.co.uk>
Link: https://lore.kernel.org/r/da6467d2649339b42339124fd19a8a2f91cc00dd.camel@infradead.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Formalize, in kernel documentation, the patch acceptance policy for
arch/riscv. In summary, it states that as maintainers, we plan to
only accept patches for new modules or extensions that have been
frozen or ratified by the RISC-V Foundation.
We've been following these guidelines for the past few months. In the
meantime, we've received quite a bit of feedback that it would be
helpful to have these guidelines formally documented.
Based on a suggestion from Matthew Wilcox, we also add a link to this
file to Documentation/process/index.rst, to make this document easier
to find. The format of this document has also been changed to align
to the format outlined in the maintainer entry profiles, in accordance
with comments from Jon Corbet and Dan Williams.
Signed-off-by: Paul Walmsley <paul.walmsley@sifive.com>
Reviewed-by: Palmer Dabbelt <palmerdabbelt@google.com>
Cc: Palmer Dabbelt <palmer@dabbelt.com>
Cc: Albert Ou <aou@eecs.berkeley.edu>
Cc: Krste Asanovic <krste@berkeley.edu>
Cc: Andrew Waterman <waterman@eecs.berkeley.edu>
Cc: Matthew Wilcox <willy@infradead.org>
Cc: Dan Williams <dan.j.williams@intel.com>
Cc: Jonathan Corbet <corbet@lwn.net>
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Embargoed hardware issues is a necessary process guide, but leak of
Chinese version, since there is more Chinese hardware vendors in market.
We'd better have a Chinese version of this guide.
This patch translate the guide, add it into toctree. and also add a link
stub for the original doc.
Signed-off-by: Alex Shi <alex.shi@linux.alibaba.com>
Cc: Fengguang Wu <fengguang.wu@intel.com>
Cc: lizefan@huawei.com
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: Harry Wei <harryxiyou@gmail.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Sasha Levin <sashal@kernel.org>
Cc: Dave Hansen <dave.hansen@linux.intel.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Ben Hutchings <ben@decadent.org.uk>
Cc: Tom Lendacky <thomas.lendacky@amd.com>
Cc: Tony Luck <tony.luck@intel.com>
Cc: Kees Cook <keescook@chromium.org>
Cc: linux-doc@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
Link: https://lore.kernel.org/r/1576811085-30544-1-git-send-email-alex.shi@linux.alibaba.com
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
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Fill in "..." stubs with proper links to the mailing lists's encryption
keys and service description URLs. Similarly, fix wording to specify
that multiple members of Linux Foundation's IT team have access to
internal kernel.org infrastructure, and that all of them have similar
confidentiality obligations as the IT team director.
Signed-off-by: Konstantin Ryabitsev <konstantin@linuxfoundation.org>
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Link: https://lore.kernel.org/r/20191209192611.GA1688548@chatter.i7.local
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
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Replace all the occurrences of FIELD_SIZEOF() with sizeof_field() except
at places where these are defined. Later patches will remove the unused
definition of FIELD_SIZEOF().
This patch is generated using following script:
EXCLUDE_FILES="include/linux/stddef.h|include/linux/kernel.h"
git grep -l -e "\bFIELD_SIZEOF\b" | while read file;
do
if [[ "$file" =~ $EXCLUDE_FILES ]]; then
continue
fi
sed -i -e 's/\bFIELD_SIZEOF\b/sizeof_field/g' $file;
done
Signed-off-by: Pankaj Bharadiya <pankaj.laxminarayan.bharadiya@intel.com>
Link: https://lore.kernel.org/r/20190924105839.110713-3-pankaj.laxminarayan.bharadiya@intel.com
Co-developed-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Kees Cook <keescook@chromium.org>
Acked-by: David Miller <davem@davemloft.net> # for net
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty
Pull tty/serial updates from Greg KH:
"Here is the "big" tty and serial driver patches for 5.5-rc1.
It's a bit later in the merge window than normal as I wanted to make
sure some last-minute patches applied to it were all sane. They seem
to be :)
There's a lot of little stuff in here, for the tty core, and for lots
of serial drivers:
- reverts of uartlite serial driver patches that were wrong
- msm-serial driver fixes
- serial core updates and fixes
- tty core fixes
- serial driver dma mapping api changes
- lots of other tiny fixes and updates for serial drivers
All of these have been in linux-next for a while with no reported
issues"
* tag 'tty-5.5-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty: (58 commits)
Revert "serial/8250: Add support for NI-Serial PXI/PXIe+485 devices"
vcs: prevent write access to vcsu devices
tty: vt: keyboard: reject invalid keycodes
tty: don't crash in tty_init_dev when missing tty_port
serial: stm32: fix clearing interrupt error flags
tty: Fix Kconfig indentation, continued
serial: serial_core: Perform NULL checks for break_ctl ops
tty: remove unused argument from tty_open_by_driver()
tty: Fix Kconfig indentation
{tty: serial, nand: onenand}: samsung: rename to fix build warning
serial: ifx6x60: add missed pm_runtime_disable
serial: pl011: Fix DMA ->flush_buffer()
Revert "serial-uartlite: Move the uart register"
Revert "serial-uartlite: Add get serial id if not provided"
Revert "serial-uartlite: Do not use static struct uart_driver out of probe()"
Revert "serial-uartlite: Add runtime support"
Revert "serial-uartlite: Change logic how console_port is setup"
Revert "serial-uartlite: Use allocated structure instead of static ones"
tty: serial: msm_serial: Use dma_request_chan() directly for channel request
tty: serial: tegra: Use dma_request_chan() directly for channel request
...
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This means removing support for checking magic in amiserial.c
(SERIAL_PARANOIA_CHECK option), which was checking a magic field which
doesn't currently exist in the struct. That code hasn't built at least
since git.
Removing the definition from the header is safe anyway as that code was
from another driver and not including it.
Signed-off-by: Pascal Terjan <pterjan@google.com>
Reviewed-by: Geert Uytterhoeven <geert@linux-m68k.org>
Link: https://lore.kernel.org/r/20191105192749.67533-1-pterjan@google.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Add myself as the AMD ambassador to the embargoed hardware issues
document.
Signed-off-by: Tom Lendacky <thomas.lendacky@amd.com>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
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One of the recurring complaints from both maintainers and CI system
operators is that performing git-am on received patches is difficult
without knowing the parent object in the git history on which the
patches are based. Without this information, there is a high likelihood
that git-am will fail due to conflicts, which is particularly
frustrating to CI operators.
Git versions starting with v2.9.0 are able to automatically include
base-commit information using the --base flag of git-format-patch.
Document this usage in process/submitting-patches, and add the rationale
for its inclusion, plus instructions for those not using git on where
the "base-commit:" trailer should go.
Signed-off-by: Konstantin Ryabitsev <konstantin@linuxfoundation.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
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I need to pick up the independent changes made to
Documentation/core-api/memory-allocation.rst to be able to merge further
work without creating a total mess.
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"pointres" should be "pointers".
Signed-off-by: Chris Packham <chris.packham@alliedtelesis.co.nz>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
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Describe the fallthrough pseudo-keyword.
Convert the coding-style.rst example to the keyword style.
Add description and links to deprecated.rst.
Miguel Ojeda comments on the eventual [[fallthrough]] syntax:
"Note that C17/C18 does not have [[fallthrough]].
C++17 introduced it, as it is mentioned above. I would keep the
__attribute__((fallthrough)) -> [[fallthrough]] change you did,
though, since that is indeed the standard syntax (given the paragraph
references C++17).
I was told by Aaron Ballman (who is proposing them for C) that it is
more or less likely that it becomes standardized in C2x. However, it
is still not added to the draft (other attributes are already,
though). See N2268 and N2269:
http://www.open-std.org/jtc1/sc22/wg14/www/docs/n2268.pdf (fallthrough)
http://www.open-std.org/jtc1/sc22/wg14/www/docs/n2269.pdf (attributes in general)"
Signed-off-by: Joe Perches <joe@perches.com>
Acked-by: Nick Desaulniers <ndesaulniers@google.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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This is overall information for kernel developers, and not part of the
user-space API.
Cc: Daniel Vetter <daniel@ffwll.ch>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
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In order to have the MAINTAINERS file visible in the rendered ReST
output, this makes some small changes to the existing MAINTAINERS file
to allow for better machine processing, and adds a new Sphinx directive
"maintainers-include" to perform the rendering.
Features include:
- Per-subsystem reference links: subsystem maintainer entries can be
trivially linked to both internally and external. For example:
https://www.kernel.org/doc/html/latest/process/maintainers.html#secure-computing
- Internally referenced .rst files are linked so they can be followed
when browsing the resulting rendering. This allows, for example, the
future addition of maintainer profiles to be automatically linked.
- Field name expansion: instead of the short fields (e.g. "M", "F",
"K"), use the indicated inline "full names" for the fields (which are
marked with "*"s in MAINTAINERS) so that a rendered subsystem entry
is more human readable. Email lists are additionally comma-separated.
For example:
SECURE COMPUTING
Mail: Kees Cook <keescook@chromium.org>
Reviewer: Andy Lutomirski <luto@amacapital.net>,
Will Drewry <wad@chromium.org>
SCM: git git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux.git seccomp
Status: Supported
Files: kernel/seccomp.c include/uapi/linux/seccomp.h
include/linux/seccomp.h tools/testing/selftests/seccomp/*
tools/testing/selftests/kselftest_harness.h
userspace-api/seccomp_filter
Content regex: \bsecure_computing \bTIF_SECCOMP\b
Signed-off-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
Pull Documentation/process update from Greg KH:
"Here are two small Documentation/process/embargoed-hardware-issues.rst
file updates that missed my previous char/misc pull request.
The first one adds an Intel representative for the process, and the
second one cleans up the text a bit more when it comes to how the
disclosure rules work, as it was a bit confusing to some companies"
* tag 'char-misc-5.4-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc:
Documentation/process: Clarify disclosure rules
Documentation/process: Volunteer as the ambassador for Intel
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The role of the contact list provided by the disclosing party and how it
affects the disclosure process and the ability to include experts into
the development process is not really well explained.
Neither is it entirely clear when the disclosing party will be informed
about the fact that a developer who is not covered by an employer NDA needs
to be brought in and disclosed.
Explain the role of the contact list and the information policy along with
an eventual conflict resolution better.
Reported-by: Dave Hansen <dave.hansen@linux.intel.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Acked-by: Dave Hansen <dave.hansen@linux.intel.com>
Link: https://lore.kernel.org/r/alpine.DEB.2.21.1909251028390.10825@nanos.tec.linutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Pull documentation updates from Jonathan Corbet:
"It's a somewhat calmer cycle for docs this time, as the churn of the
mass RST conversion is happily mostly behind us.
- A new document on reproducible builds.
- We finally got around to zapping the documentation for hardware
support that was removed in 2004; one doesn't want to rush these
things.
- The usual assortment of fixes, typo corrections, etc"
* tag 'docs-5.4' of git://git.lwn.net/linux: (67 commits)
Documentation: kbuild: Add document about reproducible builds
docs: printk-formats: Stop encouraging use of unnecessary %h[xudi] and %hh[xudi]
Documentation: Add "earlycon=sbi" to the admin guide
doc:lock: remove reference to clever use of read-write lock
devices.txt: improve entry for comedi (char major 98)
docs: mtd: Update spi nor reference driver
doc: arm64: fix grammar dtb placed in no attributes region
Documentation: sysrq: don't recommend 'S' 'U' before 'B'
mailmap: Update email address for Quentin Perret
docs: ftrace: clarify when tracing is disabled by the trace file
docs: process: fix broken link
Documentation/arm/samsung-s3c24xx: Remove stray U+FEFF character to fix title
Documentation/arm/sa1100/assabet: Fix 'make assabet_defconfig' command
Documentation/arm/sa1100: Remove some obsolete documentation
docs/zh_CN: update Chinese howto.rst for latexdocs making
Documentation: virt: Fix broken reference to virt tree's index
docs: Fix typo on pull requests guide
kernel-doc: Allow anonymous enum
Documentation: sphinx: Don't parse socket() as identifier reference
Documentation: sphinx: Add missing comma to list of strings
...
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Cc: Jonathan Corbet <corbet@lwn.net>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Sasha Levin <sashal@kernel.org>
Cc: Ben Hutchings <ben@decadent.org.uk>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Laura Abbott <labbott@redhat.com>
Cc: Andrew Cooper <andrew.cooper3@citrix.com>
Cc: Trilok Soni <tsoni@codeaurora.org>
Cc: Kees Cook <keescook@chromium.org>
Cc: Tony Luck <tony.luck@intel.com>
Cc: linux-doc@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
Cc: Dan Williams <dan.j.williams@intel.com>
Signed-off-by: Tony Luck <tony.luck@intel.com>
Signed-off-by: Dave Hansen <dave.hansen@linux.intel.com>
Link: https://lore.kernel.org/r/20190910172646.25BFCE7B@viggo.jf.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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