Commit Graph

107 Commits

Author SHA1 Message Date
Wei Yang 2ad3cc0582 scripts/tags.sh: remove find_sources
After commit '4f628248a578 kbuild: reintroduce ALLSOURCE_ARCHS support for
tags/cscope', find_sources only invoke find_arch_sources.

Signed-off-by: Wei Yang <richard.weiyang@gmail.com>
CC: Jike Song <albcamus@gmail.com>
Link: https://lore.kernel.org/r/20231229030654.17474-4-richard.weiyang@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2024-01-04 17:01:15 +01:00
Wei Yang d70a091fb4 scripts/tags.sh: use -n to test archinclude
In bash, "! -z" is equivalent to "-n", which seems to be more intuitive.

Signed-off-by: Wei Yang <richard.weiyang@gmail.com>
CC: Sam Ravnborg <sam@ravnborg.org>
Link: https://lore.kernel.org/r/20231229030654.17474-3-richard.weiyang@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2024-01-04 17:01:15 +01:00
Wei Yang 0aedf7a2dc scripts/tags.sh: add local annotation
Commit 'f81b1be40c44 tags: include headers before source files'
introduce two local variables.

Let's add local annotation to make it obvious.

Signed-off-by: Wei Yang <richard.weiyang@gmail.com>
Link: https://lore.kernel.org/r/20231229030654.17474-2-richard.weiyang@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2024-01-04 17:01:15 +01:00
Wei Yang f9fefa985d scripts/tags.sh: use more portable -path instead of -wholename
According to the manual, -path is more portable than -wholename. Also
for consistency, let's use -path here.

Signed-off-by: Wei Yang <richard.weiyang@gmail.com>
CC: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
CC: WANG Cong <xiyou.wangcong@gmail.com>
CC: Michal Marek <mmarek@suse.cz>
Link: https://lore.kernel.org/r/20231229030654.17474-1-richard.weiyang@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2024-01-04 17:01:15 +01:00
René Nyffenegger 4f3f263df5 scripts/tags.sh: Update comment (addition of gtags)
Commit f4ed1009fc ("kbuild: add GNU GLOBAL tags generation") added
support for the GNU Global source tagging system. However, this addition
was not reflected in the script's header comment.

Fixes: f4ed1009fc ("kbuild: add GNU GLOBAL tags generation")
Signed-off-by: René Nyffenegger <mail@renenyffenegger.ch>
Link: https://lore.kernel.org/r/20231217082719.4747-1-mail@renenyffenegger.ch
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2024-01-04 17:01:15 +01:00
Linus Torvalds 44aeec836d Char/Misc and other driver subsystem updates for 6.5-rc1
Here is the big set of char/misc and other driver subsystem updates for
 6.5-rc1.
 
 Lots of different, tiny, stuff in here, from a range of smaller driver
 subsystems, including pulls from some substems directly:
   - IIO driver updates and additions
   - W1 driver updates and fixes (and a new maintainer!)
   - FPGA driver updates and fixes
   - Counter driver updates
   - Extcon driver updates
   - Interconnect driver updates
   - Coresight driver updates
   - mfd tree tag merge needed for other updates
 on top of that, lots of small driver updates as patches, including:
   - static const updates for class structures
   - nvmem driver updates
   - pcmcia driver fix
   - lots of other small driver updates and fixes
 
 All of these have been in linux-next for a while with no reported
 problems.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'char-misc-6.5-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc

Pull Char/Misc updates from Greg KH:
 "Here is the big set of char/misc and other driver subsystem updates
  for 6.5-rc1.

  Lots of different, tiny, stuff in here, from a range of smaller driver
  subsystems, including pulls from some substems directly:

   - IIO driver updates and additions

   - W1 driver updates and fixes (and a new maintainer!)

   - FPGA driver updates and fixes

   - Counter driver updates

   - Extcon driver updates

   - Interconnect driver updates

   - Coresight driver updates

   - mfd tree tag merge needed for other updates on top of that, lots of
     small driver updates as patches, including:

   - static const updates for class structures

   - nvmem driver updates

   - pcmcia driver fix

   - lots of other small driver updates and fixes

  All of these have been in linux-next for a while with no reported
  problems"

* tag 'char-misc-6.5-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (243 commits)
  bsr: fix build problem with bsr_class static cleanup
  comedi: make all 'class' structures const
  char: xillybus: make xillybus_class a static const structure
  xilinx_hwicap: make icap_class a static const structure
  virtio_console: make port class a static const structure
  ppdev: make ppdev_class a static const structure
  char: misc: make misc_class a static const structure
  /dev/mem: make mem_class a static const structure
  char: lp: make lp_class a static const structure
  dsp56k: make dsp56k_class a static const structure
  bsr: make bsr_class a static const structure
  oradax: make 'cl' a static const structure
  hwtracing: hisi_ptt: Fix potential sleep in atomic context
  hwtracing: hisi_ptt: Advertise PERF_PMU_CAP_NO_EXCLUDE for PTT PMU
  hwtracing: hisi_ptt: Export available filters through sysfs
  hwtracing: hisi_ptt: Add support for dynamically updating the filter list
  hwtracing: hisi_ptt: Factor out filter allocation and release operation
  samples: pfsm: add CC_CAN_LINK dependency
  misc: fastrpc: check return value of devm_kasprintf()
  coresight: dummy: Update type of mode parameter in dummy_{sink,source}_enable()
  ...
2023-07-03 12:46:47 -07:00
Jialu Xu 82089b00ae scripts/tags.sh: improve compiled sources generation
Use grep instead of sed for all compiled sources generation, it is three
times more efficient.

Signed-off-by: Jialu Xu <xujialu@vimux.org>
Tested-by: Carlos Llamas <cmllamas@google.com>
Link: https://lore.kernel.org/r/20230601010402.71040-1-xujialu@vimux.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2023-06-01 19:01:57 +01:00
Ahmed S. Darwish e1b37563ca scripts/tags.sh: Resolve gtags empty index generation
gtags considers any file outside of its current working directory
"outside the source tree" and refuses to index it. For O= kernel builds,
or when "make" is invoked from a directory other then the kernel source
tree, gtags ignores the entire kernel source and generates an empty
index.

Force-set gtags current working directory to the kernel source tree.

Due to commit 9da0763bdd ("kbuild: Use relative path when building in
a subdir of the source tree"), if the kernel build is done in a
sub-directory of the kernel source tree, the kernel Makefile will set
the kernel's $srctree to ".." for shorter compile-time and run-time
warnings. Consequently, the list of files to be indexed will be in the
"../*" form, rendering all such paths invalid once gtags switches to the
kernel source tree as its current working directory.

If gtags indexing is requested and the build directory is not the kernel
source tree, index all files in absolute-path form.

Note, indexing in absolute-path form will not affect the generated
index, as paths in gtags indices are always relative to the gtags "root
directory" anyway (as evidenced by "gtags --dump").

Signed-off-by: Ahmed S. Darwish <darwi@linutronix.de>
Cc: <stable@vger.kernel.org>
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
2023-05-22 10:34:38 +09:00
Linus Torvalds 498a1cf902 Kbuild updates for v6.3
- Change V=1 option to print both short log and full command log.
 
  - Allow V=1 and V=2 to be combined as V=12.
 
  - Make W=1 detect wrong .gitignore files.
 
  - Tree-wide cleanups for unused command line arguments passed to Clang.
 
  - Stop using -Qunused-arguments with Clang.
 
  - Make scripts/setlocalversion handle only correct release tags instead
    of any arbitrary annotated tag.
 
  - Create Debian and RPM source packages without cleaning the source tree.
 
  - Various cleanups for packaging.
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Merge tag 'kbuild-v6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild

Pull Kbuild updates from Masahiro Yamada:

 - Change V=1 option to print both short log and full command log

 - Allow V=1 and V=2 to be combined as V=12

 - Make W=1 detect wrong .gitignore files

 - Tree-wide cleanups for unused command line arguments passed to Clang

 - Stop using -Qunused-arguments with Clang

 - Make scripts/setlocalversion handle only correct release tags instead
   of any arbitrary annotated tag

 - Create Debian and RPM source packages without cleaning the source
   tree

 - Various cleanups for packaging

* tag 'kbuild-v6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild: (74 commits)
  kbuild: rpm-pkg: remove unneeded KERNELRELEASE from modules/headers_install
  docs: kbuild: remove description of KBUILD_LDS_MODULE
  .gitattributes: use 'dts' diff driver for *.dtso files
  kbuild: deb-pkg: improve the usability of source package
  kbuild: deb-pkg: fix binary-arch and clean in debian/rules
  kbuild: tar-pkg: use tar rules in scripts/Makefile.package
  kbuild: make perf-tar*-src-pkg work without relying on git
  kbuild: deb-pkg: switch over to source format 3.0 (quilt)
  kbuild: deb-pkg: make .orig tarball a hard link if possible
  kbuild: deb-pkg: hide KDEB_SOURCENAME from Makefile
  kbuild: srcrpm-pkg: create source package without cleaning
  kbuild: rpm-pkg: build binary packages from source rpm
  kbuild: deb-pkg: create source package without cleaning
  kbuild: add a tool to list files ignored by git
  Documentation/llvm: add Chimera Linux, Google and Meta datacenters
  setlocalversion: use only the correct release tag for git-describe
  setlocalversion: clean up the construction of version output
  .gitignore: ignore *.cover and *.mbx
  kbuild: remove --include-dir MAKEFLAG from top Makefile
  kbuild: fix trivial typo in comment
  ...
2023-02-26 11:53:25 -08:00
Linus Torvalds 693fed981e Char/Misc and other driver subsystem changes for 6.3-rc1
Here is the large set of driver changes for char/misc drivers and other
 smaller driver subsystems that flow through this git tree.
 
 Included in here are:
   - New IIO drivers and features and improvments in that subsystem
   - New hwtracing drivers and additions to that subsystem
   - lots of interconnect changes and new drivers as that subsystem seems
     under very active development recently.  This required also merging
     in the icc subsystem changes through this tree.
   - FPGA driver updates
   - counter subsystem and driver updates
   - MHI driver updates
   - nvmem driver updates
   - documentation updates
   - Other smaller driver updates and fixes, full details in the shortlog
 
 All of these have been in linux-next for a while with no reported
 problems.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'char-misc-6.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc

Pull char/misc and other driver subsystem updates from Greg KH:
 "Here is the large set of driver changes for char/misc drivers and
  other smaller driver subsystems that flow through this git tree.

  Included in here are:

   - New IIO drivers and features and improvments in that subsystem

   - New hwtracing drivers and additions to that subsystem

   - lots of interconnect changes and new drivers as that subsystem
     seems under very active development recently. This required also
     merging in the icc subsystem changes through this tree.

   - FPGA driver updates

   - counter subsystem and driver updates

   - MHI driver updates

   - nvmem driver updates

   - documentation updates

   - Other smaller driver updates and fixes, full details in the
     shortlog

  All of these have been in linux-next for a while with no reported
  problems"

* tag 'char-misc-6.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (223 commits)
  scripts/tags.sh: fix incompatibility with PCRE2
  firmware: coreboot: Remove GOOGLE_COREBOOT_TABLE_ACPI/OF Kconfig entries
  mei: lower the log level for non-fatal failed messages
  mei: bus: disallow driver match while dismantling device
  misc: vmw_balloon: fix memory leak with using debugfs_lookup()
  nvmem: stm32: fix OPTEE dependency
  dt-bindings: nvmem: qfprom: add IPQ8074 compatible
  nvmem: qcom-spmi-sdam: register at device init time
  nvmem: rave-sp-eeprm: fix kernel-doc bad line warning
  nvmem: stm32: detect bsec pta presence for STM32MP15x
  nvmem: stm32: add OP-TEE support for STM32MP13x
  nvmem: core: use nvmem_add_one_cell() in nvmem_add_cells_from_of()
  nvmem: core: add nvmem_add_one_cell()
  nvmem: core: drop the removal of the cells in nvmem_add_cells()
  nvmem: core: move struct nvmem_cell_info to nvmem-provider.h
  nvmem: core: add an index parameter to the cell
  of: property: add #nvmem-cell-cells property
  of: property: make #.*-cells optional for simple props
  of: base: add of_parse_phandle_with_optional_args()
  net: add helper eth_addr_add()
  ...
2023-02-24 12:47:33 -08:00
Carlos Llamas 6ec363fc61 scripts/tags.sh: fix incompatibility with PCRE2
Starting with release 10.38 PCRE2 drops default support for using \K in
lookaround patterns as described in [1]. Unfortunately, scripts/tags.sh
relies on such functionality to collect all_compiled_soures() leading to
the following error:

  $ make COMPILED_SOURCE=1 tags
    GEN     tags
  grep: \K is not allowed in lookarounds (but see PCRE2_EXTRA_ALLOW_LOOKAROUND_BSK)

The usage of \K for this pattern was introduced in commit 4f491bb6ea
("scripts/tags.sh: collect compiled source precisely") which speeds up
the generation of tags significantly.

In order to fix this issue without compromising the performance we can
switch over to an equivalent sed expression. The same matching pattern
is preserved here except \K is replaced with a backreference \1.

[1] https://www.pcre.org/current/doc/html/pcre2syntax.html#SEC11

Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Cristian Ciocaltea <cristian.ciocaltea@collabora.com>
Cc: Masahiro Yamada <masahiroy@kernel.org>
Cc: Jialu Xu <xujialu@vimux.org>
Cc: Vipin Sharma <vipinsh@google.com>
Cc: stable@vger.kernel.org
Fixes: 4f491bb6ea ("scripts/tags.sh: collect compiled source precisely")
Signed-off-by: Carlos Llamas <cmllamas@google.com>
Link: https://lore.kernel.org/r/20230215183850.3353198-1-cmllamas@google.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2023-02-16 13:52:29 +01:00
Kevin Hao 21773790a7 scripts/tags.sh: fix the Kconfig tags generation when using latest ctags
The Kconfig language has already been built-in in the latest ctags, so it
would error exit if we try to define it as an user-defined language via
'--langdef=kconfig'.  This results that there is no Kconfig tags in the
final tag file.  Fix this by skipping the user Kconfig definition for the
latest ctags.

Link: https://lkml.kernel.org/r/20230128064916.912744-1-haokexin@gmail.com
Signed-off-by: Kevin Hao <haokexin@gmail.com>
Reviewed-by: Cristian Ciocaltea <cristian.ciocaltea@collabora.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Masahiro Yamada <masahiroy@kernel.org>
Cc: Nicolas Schier <nicolas@fjasle.eu>
Cc: Paulo Miguel Almeida <paulo.miguel.almeida.rodenas@gmail.com>
Cc: Vipin Sharma <vipinsh@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
2023-02-02 22:50:10 -08:00
Masahiro Yamada 6ae4b9868a kbuild: allow to combine multiple V= levels
Commit a6de553da0 ("kbuild: Allow to combine multiple W= levels")
supported W=123 to enable all the extra warning groups.

I think a similar idea is applicable to the V= option.

  V=1 echos the whole command
  V=2 prints the reason for rebuilding

These are orthogonal, and can be enabled at the same time.

This commit supports V=12 to enable both of them.

Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
Tested-by: Nicolas Schier <nicolas@fjasle.eu>
Reviewed-by: Nicolas Schier <nicolas@fjasle.eu>
2023-01-22 23:43:32 +09:00
Paulo Miguel Almeida 40bf2fcd85 scripts/tags.sh: choose which directories to exclude from being indexed
It's common for drivers that share same physical components to also
duplicate source code (or at least portions of it). A good example is
both drivers/gpu/drm/amdgpu/* and drivers/gpu/drm/radeon/* have a header
file called atombios.h.

While their contents aren't the same, a lot of their structs have
the exact same names which makes navigating through the code base a bit
messy as cscope will show up 'references' across drivers which aren't
exactly correct.

Add IGNORE_DIRS variable, which specifies which directories
to be ignored from indexing.

Example:
        make ARCH=x86 IGNORE_DIRS="drivers/gpu/drm/radeon tools" cscope

Signed-off-by: Paulo Miguel Almeida <paulo.miguel.almeida.rodenas@gmail.com>
Reviewed-by: Nicolas Schier <nicolas@fjasle.eu>
Reviewed-by: Vipin Sharma <vipinsh@google.com>
Link: https://lore.kernel.org/r/Y5jf59VCL/HAt60q@mail.google.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2023-01-20 12:05:56 +01:00
Vipin Sharma d60be533a0 scripts/tags.sh: Include tools directory in tags generation
Add tools directory in generating tags and quiet the "No such file or
directory" warnings.

It reverts the changes introduced in commit 162343a876
("scripts/tags.sh: exclude tools directory from tags generation") while
maintainig the original intent of the patch to get rid of the warnings.
This allows the root level cscope files to include tools source code
besides kernel and a single place to browse the code for both.

Acked-by: Cristian Ciocaltea <cristian.ciocaltea@collabora.com>
Signed-off-by: Vipin Sharma <vipinsh@google.com>
Link: https://lore.kernel.org/r/20220618005457.2379324-1-vipinsh@google.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2022-07-01 10:32:30 +02:00
Cristian Ciocaltea 7394d2ebb6 scripts/tags.sh: Invoke 'realpath' via 'xargs'
When COMPILED_SOURCE is set, running

  make ARCH=x86_64 COMPILED_SOURCE=1 cscope tags

could throw the following errors:

scripts/tags.sh: line 98: /usr/bin/realpath: Argument list too long
cscope: no source files found
scripts/tags.sh: line 98: /usr/bin/realpath: Argument list too long
ctags: No files specified. Try "ctags --help".

This is most likely to happen when the kernel is configured to build a
large number of modules, which has the consequence of passing too many
arguments when calling 'realpath' in 'all_compiled_sources()'.

Let's improve this by invoking 'realpath' through 'xargs', which takes
care of properly limiting the argument list.

Signed-off-by: Cristian Ciocaltea <cristian.ciocaltea@collabora.com>
Link: https://lore.kernel.org/r/20220516234646.531208-1-cristian.ciocaltea@collabora.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2022-05-19 18:54:40 +02:00
Zhaoyu Liu b6379e73ad scripts/tags: add space regexs to all regex_c
When "make tags", it prompts a warning:

    ctags: Warning: drivers/pci/controller/pcie-apple.c:150:
    null expansion of name pattern "\1"

The reason is that there is an indentation beside arguments of
DECLARE_BITMAP, but it can parsed normally by gtags. It's also
allowed in C.

Regex [:space:] can match any white space character, so it's a
better approach to add it to each item in regex_c.

Suggested-by: Marc Zyngier <maz@kernel.org>
Signed-off-by: Zhaoyu Liu <zackary.liu.pro@gmail.com>
Link: https://lore.kernel.org/r/20211103152234.GA23295@pc
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2021-11-26 16:58:55 +01:00
Philip K. Gisslow d06246ebd7 scripts/tags.sh: Fix obsolete parameter for ctags
Distros such as Fedora and Arch are using the maintained
universal-ctags implementation. This version has replaced
the obsolete --extra flag with --extras.

Signed-off-by: Philip K. Gisslow <ripxorip@gmail.com>
Link: https://lore.kernel.org/r/20210905073133.21910-1-ripxorip@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2021-09-14 11:23:49 +02:00
Masahiro Yamada 77a88274dc kbuild: replace LANG=C with LC_ALL=C
LANG gives a weak default to each LC_* in case it is not explicitly
defined. LC_ALL, if set, overrides all other LC_* variables.

  LANG  <  LC_CTYPE, LC_COLLATE, LC_MONETARY, LC_NUMERIC, ...  <  LC_ALL

This is why documentation such as [1] suggests to set LC_ALL in build
scripts to get the deterministic result.

LANG=C is not strong enough to override LC_* that may be set by end
users.

[1]: https://reproducible-builds.org/docs/locales/

Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
Acked-by: Michael Ellerman <mpe@ellerman.id.au> (powerpc)
Reviewed-by: Matthias Maennich <maennich@google.com>
Acked-by: Matthieu Baerts <matthieu.baerts@tessares.net> (mptcp)
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2021-05-02 00:43:35 +09:00
Ingo Molnar e705d39796 Merge branch 'locking/urgent' into locking/core, to pick up fixes
Signed-off-by: Ingo Molnar <mingo@kernel.org>
2020-10-09 08:55:17 +02:00
Rustam Kovhaev 162343a876 scripts/tags.sh: exclude tools directory from tags generation
when COMPILED_SOURCE is set, running 'make ARCH=x86_64 COMPILED_SOURCE=1
cscope tags' in KBUILD_OUTPUT directory produces lots of "No such file
or directory" warnings:
...
realpath: sigchain.h: No such file or directory
realpath: orc_gen.c: No such file or directory
realpath: objtool.c: No such file or directory
...
let's exclude tools directory from tags generation

Fixes: 4f491bb6ea ("scripts/tags.sh: collect compiled source precisely")
Link: https://lore.kernel.org/lkml/20200809210056.GA1344537@thinkpad
Signed-off-by: Rustam Kovhaev <rkovhaev@gmail.com>
Link: https://lore.kernel.org/r/20200810153650.1822316-1-rkovhaev@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-09-07 15:34:03 +02:00
Peter Zijlstra 6eb6d05958 seqlock,tags: Add support for SEQCOUNT_LOCKTYPE()
Such that we might easily find seqcount_LOCKTYPE_t and
seqcount_LOCKTYPE_init().

Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Link: https://lkml.kernel.org/r/20200729161938.GB2678@hirez.programming.kicks-ass.net
2020-08-26 12:42:01 +02:00
Jialu Xu 4f491bb6ea scripts/tags.sh: collect compiled source precisely
Parse compiled source from *.cmd but don't 'find' too many files that are
not related to compilation.

[xujialu@vimux.org: don't expand symlinks by add option -s for realpath]
  Link: http://lkml.kernel.org/r/5efc5bfb.1c69fb81.41bf5.7131SMTPIN_ADDED_MISSING@mx.google.com

Signed-off-by: Jialu Xu <xujialu@vimux.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Masahiro Yamada <masahiroy@kernel.org>
Cc: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: Joe Perches <joe@perches.com>
Link: http://lkml.kernel.org/r/5ee5d8e3.1c69fb81.9b804.47b2SMTPIN_ADDED_MISSING@mx.google.com
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2020-08-07 11:33:21 -07:00
Masahiro Yamada 95fd3f87bf kbuild: add a flag to force absolute path for srctree
In old days, Kbuild always used an absolute path for $(srctree).

Since commit 890676c65d ("kbuild: Use relative path when building in
the source tree"), $(srctree) is '.' when O= was not passed from the
command line.

Yet, using absolute paths is useful in some cases even without O=, for
instance, to create a cscope file with absolute path tags.

'O=.' was known to work as a workaround to force Kbuild to use absolute
paths even when you are building in the source tree.

Since commit 25b146c5b8 ("kbuild: allow Kbuild to start from any
directory"), Kbuild is too clever to be tricked. Even if you pass 'O=.'
Kbuild notices you are building in the source tree, then use '.' for
$(srctree).

So, 'make O=. cscope' is no help to create absolute path tags.

We cannot force one or the other according to commit e93bc1a0ca
("Revert "kbuild: specify absolute paths for cscope""). Both of
relative path and absolute path have pros and cons.

This commit adds a new flag KBUILD_ABS_SRCTREE to allow users to
choose the absolute path for $(srctree).

'make KBUILD_ABS_SRCTREE=1 cscope' will work as a replacement of
'make O=. cscope'.

Reported-by: Pawan Gupta <pawan.kumar.gupta@linux.intel.com>
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
2019-07-11 00:05:09 +09:00
Masahiro Yamada b3b3eb9dad scripts/tags.sh: remove unused environment variables from comments
This script has no reference to ${ARCH}, ${src}, ${obj}.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
2019-07-09 22:01:44 +09:00
Masahiro Yamada d1db881d9b scripts/tags.sh: drop SUBARCH support for ARM
Our goal is to have more and more sub-architectures to join the
ARM multi-platform, and support them in a single configuration.

Remove the ARM SUBARCH support because it is ugly.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
2019-07-09 22:01:44 +09:00
Thomas Gleixner 457c899653 treewide: Add SPDX license identifier for missed files
Add SPDX license identifiers to all files which:

 - Have no license information of any form

 - Have EXPORT_.*_SYMBOL_GPL inside which was used in the
   initial scan/conversion to ignore the file

These files fall under the project license, GPL v2 only. The resulting SPDX
license identifier is:

  GPL-2.0-only

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-05-21 10:50:45 +02:00
Masahiro Yamada c69ef1c87b scripts/tags.sh: fix direct execution of scripts/tags.sh
I thought this script was run via "make tags" etc. but some people
run it directly.

Prior to commit a9a49c2ad9 ("kbuild: use $(srctree) instead of
KBUILD_SRC to check out-of-tree build"), in such a usecase, "tree"
was set empty since KBUILD_SRC is undefined. Now, "tree" is set to
"${srctree}/", which is evaluated to "/".

Fix it by taking into account the case where "srctree" is unset.

Link: https://lkml.org/lkml/2019/4/19/501
Fixes: a9a49c2ad9 ("kbuild: use $(srctree) instead of KBUILD_SRC to check out-of-tree build")
Reported-by: Sergey Senozhatsky <sergey.senozhatsky.work@gmail.com>
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
2019-05-03 23:05:01 +09:00
Masahiro Yamada a9a49c2ad9 kbuild: use $(srctree) instead of KBUILD_SRC to check out-of-tree build
KBUILD_SRC was conventionally used for some different purposes:
 [1] To remember the source tree path
 [2] As a flag to check if sub-make is already done
 [3] As a flag to check if Kbuild runs out of tree

For [1], we do not need to remember it because the top Makefile
can compute it by $(realpath $(dir $(lastword $(MAKEFILE_LIST))))

[2] has been replaced with self-commenting 'sub_make_done'.

For [3], we can distinguish in-tree/out-of-tree by comparing
$(srctree) and '.'

This commit converts [3] to prepare for the KBUILD_SRC removal.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
2019-04-02 23:28:04 +09:00
Kirill Tkhai cd68a52533 scripts/tags.sh: add more declarations
New declarations and identifier (__always_inline).

Link: http://lkml.kernel.org/r/154505048571.504.18330420599768007443.stgit@localhost.localdomain
Signed-off-by: Kirill Tkhai <ktkhai@virtuozzo.com>
Cc: Masahiro Yamada <yamada.masahiro@socionext.com>
Cc: Constantine Shulyupin <const@MakeLinux.com>
Cc: Kirill Tkhai <ktkhai@virtuozzo.com>
Cc: Joey Pabalinas <joeypabalinas@gmail.com>
Cc: Matthew Wilcox <willy@infradead.org>
Cc: Arend van Spriel <arend.vanspriel@broadcom.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2018-12-28 12:11:44 -08:00
Kirill Tkhai 1f6904f729 scripts/tags.sh: add DECLARE_HASHTABLE()
In addition to DEFINE_HASHTABLE() add DECLARE_ variant.

Link: http://lkml.kernel.org/r/153683203215.13678.11468076350083405643.stgit@localhost.localdomain
Signed-off-by: Kirill Tkhai <ktkhai@virtuozzo.com>
Reviewed-by: Andrew Morton <akpm@linux-foundation.org>
Cc: Masahiro Yamada <yamada.masahiro@socionext.com>
Cc: Constantine Shulyupin <const@MakeLinux.com>
Cc: Arend van Spriel <arend.vanspriel@broadcom.com>
Cc: Daniel Borkmann <daniel@iogearbox.net>
Cc: Joey Pabalinas <joeypabalinas@gmail.com>
Cc: Matthew Wilcox <willy@infradead.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2018-10-26 16:25:18 -07:00
Linus Torvalds 024ddc0ce1 Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Pull networking fixes from David Miller:
 "Lots of fixes, here goes:

   1) NULL deref in qtnfmac, from Gustavo A. R. Silva.

   2) Kernel oops when fw download fails in rtlwifi, from Ping-Ke Shih.

   3) Lost completion messages in AF_XDP, from Magnus Karlsson.

   4) Correct bogus self-assignment in rhashtable, from Rishabh
      Bhatnagar.

   5) Fix regression in ipv6 route append handling, from David Ahern.

   6) Fix masking in __set_phy_supported(), from Heiner Kallweit.

   7) Missing module owner set in x_tables icmp, from Florian Westphal.

   8) liquidio's timeouts are HZ dependent, fix from Nicholas Mc Guire.

   9) Link setting fixes for sh_eth and ravb, from Vladimir Zapolskiy.

  10) Fix NULL deref when using chains in act_csum, from Davide Caratti.

  11) XDP_REDIRECT needs to check if the interface is up and whether the
      MTU is sufficient. From Toshiaki Makita.

  12) Net diag can do a double free when killing TCP_NEW_SYN_RECV
      connections, from Lorenzo Colitti.

  13) nf_defrag in ipv6 can unnecessarily hold onto dst entries for a
      full minute, delaying device unregister. From Eric Dumazet.

  14) Update MAC entries in the correct order in ixgbe, from Alexander
      Duyck.

  15) Don't leave partial mangles bpf program in jit_subprogs, from
      Daniel Borkmann.

  16) Fix pfmemalloc SKB state propagation, from Stefano Brivio.

  17) Fix ACK handling in DCTCP congestion control, from Yuchung Cheng.

  18) Use after free in tun XDP_TX, from Toshiaki Makita.

  19) Stale ipv6 header pointer in ipv6 gre code, from Prashant Bhole.

  20) Don't reuse remainder of RX page when XDP is set in mlx4, from
      Saeed Mahameed.

  21) Fix window probe handling of TCP rapair sockets, from Stefan
      Baranoff.

  22) Missing socket locking in smc_ioctl(), from Ursula Braun.

  23) IPV6_ILA needs DST_CACHE, from Arnd Bergmann.

  24) Spectre v1 fix in cxgb3, from Gustavo A. R. Silva.

  25) Two spots in ipv6 do a rol32() on a hash value but ignore the
      result. Fixes from Colin Ian King"

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (176 commits)
  tcp: identify cryptic messages as TCP seq # bugs
  ptp: fix missing break in switch
  hv_netvsc: Fix napi reschedule while receive completion is busy
  MAINTAINERS: Drop inactive Vitaly Bordug's email
  net: cavium: Add fine-granular dependencies on PCI
  net: qca_spi: Fix log level if probe fails
  net: qca_spi: Make sure the QCA7000 reset is triggered
  net: qca_spi: Avoid packet drop during initial sync
  ipv6: fix useless rol32 call on hash
  ipv6: sr: fix useless rol32 call on hash
  net: sched: Using NULL instead of plain integer
  net: usb: asix: replace mii_nway_restart in resume path
  net: cxgb3_main: fix potential Spectre v1
  lib/rhashtable: consider param->min_size when setting initial table size
  net/smc: reset recv timeout after clc handshake
  net/smc: add error handling for get_user()
  net/smc: optimize consumer cursor updates
  net/nfc: Avoid stalls when nfc_alloc_send_skb() returned NULL.
  ipv6: ila: select CONFIG_DST_CACHE
  net: usb: rtl8150: demote allmulti message to dev_dbg()
  ...
2018-07-18 19:32:54 -07:00
Constantine Shulyupin 24d4e34f7a scripts/tags.sh: Add BPF_CALL
Signed-off-by: Constantine Shulyupin <const@MakeLinux.com>
Acked-by: Alexei Starovoitov <ast@kernel.org>
Acked-by: Daniel Borkmann <daniel@iogearbox.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
2018-07-16 13:30:27 -07:00
Constantine Shulyupin e23ba825db scripts/tags.sh: add __ro_after_init
Signed-off-by: Constantine Shulyupin <const@MakeLinux.com>
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
2018-07-13 00:48:18 +09:00
Matthew Wilcox 6e292b9be7 mm: split page_type out from _mapcount
We're already using a union of many fields here, so stop abusing the
_mapcount and make page_type its own field.  That implies renaming some of
the machinery that creates PageBuddy, PageBalloon and PageKmemcg; bring
back the PG_buddy, PG_balloon and PG_kmemcg names.

As suggested by Kirill, make page_type a bitmask.  Because it starts out
life as -1 (thanks to sharing the storage with _mapcount), setting a page
flag means clearing the appropriate bit.  This gives us space for probably
twenty or so extra bits (depending how paranoid we want to be about
_mapcount underflow).

Link: http://lkml.kernel.org/r/20180518194519.3820-3-willy@infradead.org
Signed-off-by: Matthew Wilcox <mawilcox@microsoft.com>
Acked-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Acked-by: Vlastimil Babka <vbabka@suse.cz>
Cc: Christoph Lameter <cl@linux.com>
Cc: Dave Hansen <dave.hansen@linux.intel.com>
Cc: Jérôme Glisse <jglisse@redhat.com>
Cc: Lai Jiangshan <jiangshanlai@gmail.com>
Cc: Martin Schwidefsky <schwidefsky@de.ibm.com>
Cc: Pekka Enberg <penberg@kernel.org>
Cc: Randy Dunlap <rdunlap@infradead.org>
Cc: Andrey Ryabinin <aryabinin@virtuozzo.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2018-06-07 17:34:37 -07:00
Joey Pabalinas 656c107770 scripts/tags.sh: use `find` for $ALLSOURCE_ARCHS generation
The current code includes 'Kconfig' in ALLSOURCE_ARCHS, but
it should not (Kconfig is not an architecture). Replace this
with a find-generated string and directly assign it to
$ALLSOURCE_ARCHS. The find_all_archs() function is no longer
needed for a one-liner with obvious semantics, so inline the
arch generation into the surrounding conditional.

Signed-off-by: Joey Pabalinas <joeypabalinas@gmail.com>
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
2018-05-22 23:00:24 +09:00
Arend van Spriel 99443f811c scripts/tags.sh: change find_other_sources() for include directories
The current find done in find_other_sources() excludes directories in
the kernel tree that are named 'include', eg.:

	./security/apparmor/include
	./security/selinux/include
	./drivers/net/wireless/broadcom/brcm80211/include
	./drivers/gpu/drm/amd/acp/include
	./drivers/gpu/drm/amd/display/include
	./drivers/gpu/drm/amd/include
	./drivers/gpu/drm/nouveau/include

This changes the find command in find_other_sources() to include those
using the -path option.

Link: http://lkml.kernel.org/r/1513335768-7852-1-git-send-email-arend.vanspriel@broadcom.com
Signed-off-by: Arend van Spriel <arend.vanspriel@broadcom.com>
Cc: Robert Jarzmik <robert.jarzmik@free.fr>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2018-01-31 17:18:34 -08:00
Robert Jarzmik cbf52a3e6a tags: honor COMPILED_SOURCE with apart output directory
When the kernel is compiled with an "O=" argument, the object files are
not in the source tree, but in the build tree.

This patch fixes O= build by looking for object files in the build tree.

Fixes: 923e02ecf3 ("scripts/tags.sh: Support compiled source")
Signed-off-by: Robert Jarzmik <robert.jarzmik@free.fr>
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
2017-06-06 08:42:34 +09:00
Hou Tao 7659c655be scripts/tags.sh: include arch/Kconfig* for tags generation
Kconfig files under arch/ directory are ignored by all_kconfigs(),
so include them for tags generation.

Link: http://lkml.kernel.org/r/1486206053-38223-1-git-send-email-houtao1@huawei.com
Signed-off-by: Hou Tao <houtao1@huawei.com>
Cc: Michal Marek <mmarek@suse.com>
Cc: Joe Perches <joe@perches.com>
Cc: Mathieu Maret <mathieu.maret@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2017-02-22 16:41:26 -08:00
Sam Protsenko 779d5eb375 scripts/tags.sh: handle OMAP platforms properly
When SUBARCH is "omap1" or "omap2", plat-omap/ directory must be
indexed.  Handle this special case properly.

While at it, check if mach- directory exists at all.

Link: http://lkml.kernel.org/r/20161202122148.15001-1-joe.skb7@gmail.com
Signed-off-by: Sam Protsenko <semen.protsenko@linaro.org>
Cc: Michal Marek <mmarek@suse.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2016-12-12 18:55:06 -08:00
Mathieu Maret d0c75f33f0 scripts/tags.sh: enable code completion in VIM
Vim, with the omnicppcomplete(#1) plugin, can do code completion using
information build by ctags.  Add flags needed by omnicppcomplete(#2) to
have completion on member of structure.

1: https://github.com/vim-scripts/omnicppcomplete
2: https://github.com/vim-scripts/OmniCppComplete/blob/master/doc/omnicppcomplete.txt#L93

Link: http://lkml.kernel.org/r/20160830191546.4469-1-mathieu.maret@gmail.com
Signed-off-by: Mathieu Maret <mathieu.maret@gmail.com>
Cc: Michal Marek <mmarek@suse.cz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2016-10-11 15:06:33 -07:00
Joe Perches 7e93215990 treewide: remove references to the now unnecessary DEFINE_PCI_DEVICE_TABLE
It's been eliminated from the sources, remove it from everywhere else.

Link: http://lkml.kernel.org/r/076eff466fd7edb550c25c8b25d76924ca0eba62.1472660229.git.joe@perches.com
Signed-off-by: Joe Perches <joe@perches.com>
Cc: "James E.J. Bottomley" <jejb@linux.vnet.ibm.com>
Cc: "Martin K. Petersen" <martin.petersen@oracle.com>
Cc: Bjorn Helgaas <bhelgaas@google.com>
Cc: Andy Whitcroft <apw@canonical.com>
Cc: Jonathan Corbet <corbet@lwn.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2016-09-01 17:52:01 -07:00
Vladimir Davydov 632c0a1aff mm: clean up non-standard page->_mapcount users
- Add a proper comment to page->_mapcount.

 - Introduce a macro for generating helper functions.

 - Place all special page->_mapcount values next to each other so that
   readers can see all possible values and so we don't get duplicates.

Link: http://lkml.kernel.org/r/502f49000e0b63e6c62e338fac6b420bf34fb526.1464079537.git.vdavydov@virtuozzo.com
Signed-off-by: Vladimir Davydov <vdavydov@virtuozzo.com>
Cc: Johannes Weiner <hannes@cmpxchg.org>
Cc: Michal Hocko <mhocko@kernel.org>
Cc: Eric Dumazet <eric.dumazet@gmail.com>
Cc: Minchan Kim <minchan@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2016-07-26 16:19:19 -07:00
Naveen N. Rao 0a9e7da660 scripts/tags.sh: add regex to map kprobe helpers
Add regex for [get|free]_[insn|optinsn|dmainsn]_slot() functions.

Signed-off-by: Naveen N. Rao <naveen.n.rao@linux.vnet.ibm.com>
Signed-off-by: Michal Marek <mmarek@suse.com>
2016-02-18 20:56:37 +01:00
Linus Torvalds 90bf353bc1 Merge branch 'misc' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild
Pull misc kbuild updates from Michal Marek:
 - Fix for make O=... perf-tar*
 - make tags revamp and fix for the fallout.  Patch for warnings about
   line breaks inside DEFINE_PER_CPU macros is pending
 - New coccinelle test

* 'misc' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild:
  coccinelle: tests: unsigned value cannot be lesser than zero
  tags: Unify emacs and exuberant rules
  tags: Drop the _PE rule
  tags: Do not try to index defconfigs
  tags: Process Kconfig files in a single pass
  tags: Fix erroneous pattern match in a comment
  aic7xxx: Avoid name collision with <linux/list.h>
  tags: Treat header files as C code
  package Makefile: fix perf-tar targets when outdir is set
  scripts/tags.sh: Teach tags about more powerpc macros
2016-01-20 10:10:23 -08:00
Kirill A. Shutemov 685eaade56 page-flags: drop __TestClearPage*() helpers
Nobody uses them.

Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2016-01-15 17:56:32 -08:00
Michal Marek 93209d65c1 tags: Unify emacs and exuberant rules
The emacs rules were constantly lagging behind the exuberant ones. Use a
single set of rules for both, to make the script easier to maintain.
The language understood by both tools is basic regular expression with
some limitations, which are documented in a comment. To be able to store
the rules in an array and easily iterate over it, the script requires
bash now. In the exuberant case, the change fixes some false matches in
<linux/page-flags.h> and also some too greedy matches in the arguments
of the DECLARE_*/DEFINE_* macros. In the emacs case, several previously
not working rules are matching now. Tested with these versions of the
tools:

  Exuberant Ctags 5.8, Copyright (C) 1996-2009 Darren Hiebert
  etags (GNU Emacs 24.5)

Signed-off-by: Michal Marek <mmarek@suse.com>
2016-01-05 22:18:48 +01:00
Michal Marek a1ccdb63b5 tags: Drop the _PE rule
We are not indexing the userspace tools, so the rules only match some
false positives in the kernel code.

Signed-off-by: Michal Marek <mmarek@suse.com>
2016-01-05 22:11:48 +01:00
Michal Marek ab9ca615f5 tags: Do not try to index defconfigs
The defconfig files are in predictable locations, so there is no need to
index them. Plus, the script was only looking for files named
'defconfig', which only works on a few architectures nowadays.

Signed-off-by: Michal Marek <mmarek@suse.com>
2016-01-05 22:10:45 +01:00
Michal Marek a281b8569e tags: Process Kconfig files in a single pass
Signed-off-by: Michal Marek <mmarek@suse.com>
2016-01-05 22:10:42 +01:00