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Merge some more updates from Andrew Morton:
- various hotfixes and minor things
- hch's use_mm/unuse_mm clearnups
Subsystems affected by this patch series: mm/hugetlb, scripts, kcov,
lib, nilfs, checkpatch, lib, mm/debug, ocfs2, lib, misc.
* emailed patches from Andrew Morton <akpm@linux-foundation.org>:
kernel: set USER_DS in kthread_use_mm
kernel: better document the use_mm/unuse_mm API contract
kernel: move use_mm/unuse_mm to kthread.c
kernel: move use_mm/unuse_mm to kthread.c
stacktrace: cleanup inconsistent variable type
lib: test get_count_order/long in test_bitops.c
mm: add comments on pglist_data zones
ocfs2: fix spelling mistake and grammar
mm/debug_vm_pgtable: fix kernel crash by checking for THP support
lib: fix bitmap_parse() on 64-bit big endian archs
checkpatch: correct check for kernel parameters doc
nilfs2: fix null pointer dereference at nilfs_segctor_do_construct()
lib/lz4/lz4_decompress.c: document deliberate use of `&'
kcov: check kcov_softirq in kcov_remote_stop()
scripts/spelling: add a few more typos
khugepaged: selftests: fix timeout condition in wait_for_scan()
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Adding a new kernel parameter with documentation makes checkpatch complain
__setup appears un-documented -- check Documentation/admin-guide/kernel-parameters.rst
The list of kernel parameters has moved to a separate txt file, but
checkpatch has not been updated for this.
Make checkpatch.pl look for the documentation for new kernel parameters
in kernel-parameters.txt instead of kernel-parameters.rst.
Fixes: e52347bd66f6 ("Documentation/admin-guide: split the kernel parameter list to a separate file")
Signed-off-by: Tim Froidcoeur <tim.froidcoeur@tessares.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Acked-by: Joe Perches <joe@perches.com>
Cc: Mauro Carvalho Chehab <mchehab@kernel.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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This commit adds typos I found from another work.
Signed-off-by: SeongJae Park <sjpark@amazon.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Reviewed-by: David Hildenbrand <david@redhat.com>
Cc: Joe Perches <joe@perches.com>
Link: http://lkml.kernel.org/r/20200605092502.18018-3-sjpark@amazon.com
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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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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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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Pull arch/sh updates from Rich Felker:
"Fix for arch/sh build regression with newer binutils, removal of SH5,
fixes for module exports, and misc cleanup"
* tag 'sh-for-5.8' of git://git.libc.org/linux-sh:
sh: remove sh5 support
sh: add missing EXPORT_SYMBOL() for __delay
sh: Convert ins[bwl]/outs[bwl] macros to inline functions
sh: Convert iounmap() macros to inline functions
sh: Add missing DECLARE_EXPORT() for __ashiftrt_r4_xx
sh: configs: Cleanup old Kconfig IO scheduler options
arch/sh: vmlinux.scr
sh: Replace CONFIG_MTD_M25P80 with CONFIG_MTD_SPI_NOR in sh7757lcr_defconfig
sh: sh4a: Bring back tmu3_device early device
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git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild
Pull Kconfig updates from Masahiro Yamada:
- allow only 'config', 'comment', 'if' statements inside 'choice' since
the other statements are not sensible inside 'choice' and should be
grammatical error
- support LMC_KEEP env variable for 'make local{yes,mod}config' to
preserve some CONFIG options
- deprecate 'make kvmconfig' and 'make xenconfig' in favor of
'make kvm_guest.config' and 'make xen.config'
- code cleanups
* tag 'kconfig-v5.8' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild:
kconfig: announce removal of 'kvmconfig' and 'xenconfig' shorthands
streamline_config.pl: add LMC_KEEP to preserve some kconfigs
kconfig: allow only 'config', 'comment', and 'if' inside 'choice'
kconfig: tests: remove randconfig test for choice in choice
kconfig: do not assign a variable in the return statement
kconfig: do not use OR-assignment for zero-cleared structure
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git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild
Pull Kbuild updates from Masahiro Yamada:
- fix warnings in 'make clean' for ARCH=um, hexagon, h8300, unicore32
- ensure to rebuild all objects when the compiler is upgraded
- exclude system headers from dependency tracking and fixdep processing
- fix potential bit-size mismatch between the kernel and BPF user-mode
helper
- add the new syntax 'userprogs' to build user-space programs for the
target architecture (the same arch as the kernel)
- compile user-space sample code under samples/ for the target arch
instead of the host arch
- make headers_install fail if a CONFIG option is leaked to user-space
- sanitize the output format of scripts/checkstack.pl
- handle ARM 'push' instruction in scripts/checkstack.pl
- error out before modpost if a module name conflict is found
- error out when multiple directories are passed to M= because this
feature is broken for a long time
- add CONFIG_DEBUG_INFO_COMPRESSED to support compressed debug info
- a lot of cleanups of modpost
- dump vmlinux symbols out into vmlinux.symvers, and reuse it in the
second pass of modpost
- do not run the second pass of modpost if nothing in modules is
updated
- install modules.builtin(.modinfo) by 'make install' as well as by
'make modules_install' because it is useful even when
CONFIG_MODULES=n
- add new command line variables, GZIP, BZIP2, LZOP, LZMA, LZ4, and XZ
to allow users to use alternatives such as pigz, pbzip2, etc.
* tag 'kbuild-v5.8' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild: (96 commits)
kbuild: add variables for compression tools
Makefile: install modules.builtin even if CONFIG_MODULES=n
mksysmap: Fix the mismatch of '.L' symbols in System.map
kbuild: doc: rename LDFLAGS to KBUILD_LDFLAGS
modpost: change elf_info->size to size_t
modpost: remove is_vmlinux() helper
modpost: strip .o from modname before calling new_module()
modpost: set have_vmlinux in new_module()
modpost: remove mod->skip struct member
modpost: add mod->is_vmlinux struct member
modpost: remove is_vmlinux() call in check_for_{gpl_usage,unused}()
modpost: remove mod->is_dot_o struct member
modpost: move -d option in scripts/Makefile.modpost
modpost: remove -s option
modpost: remove get_next_text() and make {grab,release_}file static
modpost: use read_text_file() and get_line() for reading text files
modpost: avoid false-positive file open error
modpost: fix potential mmap'ed file overrun in get_src_version()
modpost: add read_text_file() and get_line() helpers
modpost: do not call get_modinfo() for vmlinux(.o)
...
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git://git.kernel.org/pub/scm/linux/kernel/git/jdelvare/staging
Pull dmi update from Jean Delvare.
* 'dmi-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jdelvare/staging:
firmware/dmi: Report DMI Bios & EC firmware release
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Allow user to use alternative implementations of compression tools,
such as pigz, pbzip2, pxz. For example, multi-threaded tools to
speed up the build:
$ make GZIP=pigz BZIP2=pbzip2
Variables _GZIP, _BZIP2, _LZOP are used internally because original env
vars are reserved by the tools. The use of GZIP in gzip tool is obsolete
since 2015. However, alternative implementations (e.g., pigz) still rely
on it. BZIP2, BZIP, LZOP vars are not obsolescent.
The credit goes to @grsecurity.
As a sidenote, for multi-threaded lzma, xz compression one can use:
$ export XZ_OPT="--threads=0"
Signed-off-by: Denis Efremov <efremov@linux.com>
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
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When System.map was generated, the kernel used mksysmap to
filter the kernel symbols, but all the symbols with the
second letter 'L' in the kernel were filtered out, not just
the symbols starting with 'dot + L'.
For example:
ashimida@ubuntu:~/linux$ cat System.map |grep ' .L'
ashimida@ubuntu:~/linux$ nm -n vmlinux |grep ' .L'
ffff0000088028e0 t bLength_show
......
ffff0000092e0408 b PLLP_OUTC_lock
ffff0000092e0410 b PLLP_OUTA_lock
The original intent should be to filter out all local symbols
starting with '.L', so the dot should be escaped.
Fixes: 00902e984732 ("mksysmap: Add h8300 local symbol pattern")
Signed-off-by: ashimida <ashimida@linux.alibaba.com>
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
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Align with the mmap / munmap APIs.
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
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Now that is_vmlinux() is called only in new_module(), we can inline
the function call.
modname is the basename with '.o' is stripped. No need to compare it
with 'vmlinux.o'.
vmlinux is always located at the current working directory. No need
to strip the directory path.
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
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new_module() conditionally strips the .o because the modname has .o
suffix when it is called from read_symbols(), but no .o when it is
called from read_dump().
It is clearer to strip .o in read_symbols().
I also used flexible-array for mod->name.
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
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Set have_vmlinux flag in a single place.
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
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The meaning of 'skip' is obscure since it does not explain
"what to skip".
mod->skip is set when it is vmlinux or the module info came from
a dump file.
So, mod->skip is equivalent to (mod->is_vmlinux || mod->from_dump).
For the check in write_namespace_deps_files(), mod->is_vmlinux is
unneeded because the -d option is not passed in the first pass of
modpost.
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
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is_vmlinux() is called in several places to check whether the current
module is vmlinux or not.
It is faster and clearer to check mod->is_vmlinux flag.
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
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check_exports() is never called for vmlinux because mod->skip is set
for vmlinux.
Hence, check_for_gpl_usage() and check_for_unused() are not called
for vmlinux, either. is_vmlinux() is always false here.
Remove the is_vmlinux() calls, and hard-code the ".ko" suffix.
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
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Previously, there were two cases where mod->is_dot_o is unset:
[1] the executable 'vmlinux' in the second pass of modpost
[2] modules loaded by read_dump()
I think [1] was intended usage to distinguish 'vmlinux.o' and 'vmlinux'.
Now that modpost does not parse the executable 'vmlinux', this case
does not happen.
[2] is obscure, maybe a bug. Module.symver stores module paths without
extension. So, none of modules loaded by read_dump() has the .o suffix,
and new_module() unsets ->is_dot_o. Anyway, it is not a big deal because
handle_symbol() is not called for the case.
To sum up, all the parsed ELF files are .o files.
mod->is_dot_o is unneeded.
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
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Collect options for modules into a single place.
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
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The -s option was added by commit 8d8d8289df65 ("kbuild: do not do
section mismatch checks on vmlinux in 2nd pass").
Now that the second pass does not parse vmlinux, this option is
unneeded.
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
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get_next_line() is no longer used. Remove.
grab_file() and release_file() are only used in modpost.c. Make them
static.
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
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grab_file() mmaps a file, but it is not so efficient here because
get_next_line() copies every line to the temporary buffer anyway.
read_text_file() and get_line() are simpler. get_line() exploits the
library function strchr().
Going forward, the missing *.symvers or *.cmd is a fatal error.
This should not happen because scripts/Makefile.modpost guards the
-i option files with $(wildcard $(input-symdump)).
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
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One problem of grab_file() is that it cannot distinguish the following
two cases:
- It cannot read the file (the file does not exist, or read permission
is not set)
- It can read the file, but the file size is zero
This is because grab_file() calls mmap(), which requires the mapped
length is greater than 0. Hence, grab_file() fails for both cases.
If an empty header file were included for checksum calculation, the
following warning would be printed:
WARNING: modpost: could not open ...: Invalid argument
An empty file is a valid source file, so it should not fail.
Use read_text_file() instead. It can read a zero-length file.
Then, parse_file() will succeed with doing nothing.
Going forward, the first case (it cannot read the file) is a fatal
error. If the source file from which an object was compiled is missing,
something went wrong.
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
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I do not know how reliably this function works, but it looks dangerous
to me.
strchr(sources, '\n');
... continues searching until it finds '\n' or it reaches the '\0'
terminator. In other words, 'sources' should be a null-terminated
string.
However, grab_file() just mmaps a file, so 'sources' is not terminated
with null byte. If the file does not contain '\n' at all, strchr() will
go beyond the mmap'ed memory.
Use read_text_file(), which loads the file content into a malloc'ed
buffer, appending null byte.
Here we are interested only in the first line of *.mod files. Use
get_line() helper to get the first line.
This also makes missing *.mod file a fatal error.
Commit 4be40e22233c ("kbuild: do not emit src version warning for
non-modules") ignored missing *.mod files.
I do not fully understand what that commit addressed, but commit
91341d4b2c19 ("kbuild: introduce new option to enhance section mismatch
analysis") introduced partial section checks by using modpost. built-in.o
was parsed by modpost. Even modules had a problem because *.mod files
were created after the modpost check.
Commit b7dca6dd1e59 ("kbuild: create *.mod with full directory path and
remove MODVERDIR") stopped doing that. Now that modpost is only invoked
after the directory descend, *.mod files should always exist at the
modpost stage.
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
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modpost uses grab_file() to open a file, but it is not suitable for
a text file because the mmap'ed file is not terminated by null byte.
Actually, I see some issues for the use of grab_file().
The new helper, read_text_file() loads the whole file content into a
malloc'ed buffer, and appends a null byte. Then, get_line() reads
each line.
To handle text files, I intend to replace as follows:
grab_file() -> read_text_file()
get_new_line() -> get_line()
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
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The three calls of get_modinfo() ("license", "import_ns", "version")
always return NULL for vmlinux(.o) because the built-in module info is
prefixed with __MODULE_INFO_PREFIX.
It is harmless to call get_modinfo(), but there is no point to search
for what apparently does not exist.
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
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As far as I understood, this code gets rid of '$Revision$' or '$Revision:'
of CVS, RCS or whatever in MODULE_VERSION() tags.
Remove the primeval code.
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
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If modpost fails to load a symbol dump file, it cannot check unresolved
symbols, hence module dependency will not be added. Nor CRCs can be added.
Currently, external module builds check only $(objtree)/Module.symvers,
but it should check files specified by KBUILD_EXTRA_SYMBOLS as well.
Move the warning message from the top Makefile to scripts/Makefile.modpost
and print the warning if any dump file is missing.
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
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check_exports() does not print warnings about unresolved symbols if
vmlinux is missing because there would be too many.
This situation happens when you do 'make modules' from the clean
tree, or compile external modules against a kernel tree that has
not been completely built.
It is dangerous to not check unresolved symbols because you might be
building useless modules. At least it should be warned.
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
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Currently, the second pass of modpost is always invoked when you run
'make' or 'make modules' even if none of modules is changed.
Use if_changed to invoke it only when it is necessary.
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
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The full build runs modpost twice, first for vmlinux.o and second for
modules.
The first pass dumps all the vmlinux symbols into Module.symvers, but
the second pass parses vmlinux again instead of reusing the dump file,
presumably because it needs to avoid accumulating stale symbols.
Loading symbol info from a dump file is faster than parsing an ELF object.
Besides, modpost deals with various issues to parse vmlinux in the second
pass.
A solution is to make the first pass dumps symbols into a separate file,
vmlinux.symvers. The second pass reads it, and parses module .o files.
The merged symbol information is dumped into Module.symvers in the same
way as before.
This makes further modpost cleanups possible.
Also, it fixes the problem of 'make vmlinux', which previously overwrote
Module.symvers, throwing away module symbols.
I slightly touched scripts/link-vmlinux.sh so that vmlinux is re-linked
when you cross this commit. Otherwise, vmlinux.symvers would not be
generated.
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
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Prepare to use -i for in-tree modpost as well.
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
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The symbol dump *.symvers is the output of modpost. Print it in
the short log.
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
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Previously, the -i option had two functions; load a symbol dump file,
and set the external_module flag.
I want to assign a dedicate option for each of them.
Going forward, the -i is used to load a symbol dump file, and the -e
to set the external_module flag.
With this, we will be able to use -i for loading in-kernel symbols.
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
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The -i option is used to include Modules.symver as well as files from
$(KBUILD_EXTRA_SYMBOLS).
Make the struct and variable names more generic.
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
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Now that there is no difference between -i and -e, they can be unified.
Make modpost accept the -i option multiple times, then remove -e.
I will reuse -e for a different purpose.
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
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The meaning of sym->kernel is obscure; it is set for in-kernel symbols
loaded from Modules.symvers. This happens only when we are building
external modules, and it is used to determine whether to dump symbols
to $(KBUILD_EXTMOD)/Modules.symvers
It is clearer to remember whether the symbol or module came from a dump
file or ELF object.
This changes the KBUILD_EXTRA_SYMBOLS behavior. Previously, symbols
loaded from KBUILD_EXTRA_SYMBOLS are accumulated into the current
$(KBUILD_EXTMOD)/Modules.symvers
Going forward, they will be only used to check symbol references, but
not dumped into the current $(KBUILD_EXTMOD)/Modules.symvers. I believe
this makes more sense.
sym->vmlinux will have no user. Remove it too.
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
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Some vendors like HPe or Dell, encode the release version of their BIOS
in the "System BIOS {Major|Minor} Release" fields of Type 0.
This information is used to know which bios release actually runs.
It could be used for some quirks, debugging sessions or inventory tasks.
A typical output for a Dell system running the 65.27 bios is :
[root@t1700 ~]# cat /sys/devices/virtual/dmi/id/bios_release
65.27
[root@t1700 ~]#
Servers that have a BMC encode the release version of their firmware in the
"Embedded Controller Firmware {Major|Minor} Release" fields of Type 0.
This information is used to know which BMC release actually runs.
It could be used for some quirks, debugging sessions or inventory tasks.
A typical output for a Dell system running the 3.75 bmc release is :
[root@t1700 ~]# cat /sys/devices/virtual/dmi/id/ec_firmware_release
3.75
[root@t1700 ~]#
Signed-off-by: Erwan Velu <e.velu@criteo.com>
Signed-off-by: Jean Delvare <jdelvare@suse.de>
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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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While "git am" can apply an mbox file containing multiple patches (e.g.
as created by b4[1], or a patch bundle downloaded from patchwork),
checkpatch does not have proper support for that. When operating on an
mbox, checkpatch will merge all detected tags, and complain falsely about
duplicates:
WARNING: Duplicate signature
As modifying checkpatch to reset state in between each patch is a lot of
work, a simple solution is splitting the mbox into individual patches, and
invoking checkpatch for each of them. Fortunately checkpatch can read a
patch from stdin, so the classic "formail" tool can be used to split the
mbox, and pipe all individual patches to checkpatch:
formail -s scripts/checkpatch.pl < my-mbox
However, when reading a patch file from standard input, checkpatch calls
it "Your patch", and reports its state as:
Your patch has style problems, please review.
or:
Your patch has no obvious style problems and is ready for submission.
Hence it can be difficult to identify which patches need to be reviewed
and improved.
Fix this by replacing "Your patch" by (the first line of) the email
subject, if present.
Note that "git mailsplit" can also be used to split an mbox, but it will
create individual files for each patch, thus requiring cleanup afterwards.
Formail does not have this disadvantage.
[1] https://git.kernel.org/pub/scm/utils/b4/b4.git
[joe@perches.com: reduce cpu usage]
Link: http://lkml.kernel.org/r/c9d89bb24c7414142414c60371e210fdcf4617d2.camel@perches.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Cc: Joe Perches <joe@perches.com>
Cc: Konstantin Ryabitsev <konstantin@linuxfoundation.org>
Link: http://lkml.kernel.org/r/20200505132613.17452-1-geert+renesas@glider.be
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Don't allow these options to be combined.
Miscellanea:
o Add missing $P: to some die("reason message") output
Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Link: http://lkml.kernel.org/r/3dc7bdaa58490f5906efc11a4d6113e42a087723.camel@perches.com
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Some checks look for comments around a specific function like
read_barrier_depends.
Extend the check to support both c89 and c90 comment styles.
c89 /* comment */
or
c99 // comment
For c99 comments, only look a 3 single lines, the line being scanned,
the line above and the line below the line being scanned rather than
the patch diff context.
Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Tested-by: Paul E. McKenney <paulmck@kernel.org>
Cc: Marco Elver <elver@google.com>
Cc: Dmitry Vyukov <dvyukov@google.com>
Cc: Alexander Potapenko <glider@google.com>
Cc: Andrey Konovalov <andreyknvl@google.com>
Cc: Andy Whitcroft <apw@canonical.com>
Cc: Will Deacon <will@kernel.org>
Link: http://lkml.kernel.org/r/65cb075435d2f385a53c77571b491b2b09faaf8e.camel@perches.com
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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There is a preferred order for the entries in MAINTAINERS sections.
See commits 3b50142d8528 ("MAINTAINERS: sort field names for all
entries") and 6680125ea5a2 ("MAINTAINERS: list the section entries in
the preferred order")
Add checkpatch tests to try to keep that ordering.
Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Acked-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Link: http://lkml.kernel.org/r/17677130b3ca62d79817e6a22546bad39d7e81b4.camel@perches.com
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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get_maintainer behaves differently if there is a double sequential forward
slash in a filename because the total number of slashes in a filename is
used to match MAINTAINERS file patterns.
For example:
(with double slash)
$ ./scripts/get_maintainer.pl -f drivers/gpu/drm//lima
David Airlie <airlied@linux.ie> (maintainer:DRM DRIVERS)
Daniel Vetter <daniel@ffwll.ch> (maintainer:DRM DRIVERS,commit_signer:3/42=7%)
Qiang Yu <yuq825@gmail.com> (commit_signer:36/42=86%,authored:24/42=57%)
Vasily Khoruzhick <anarsoul@gmail.com> (commit_signer:26/42=62%)
Krzysztof Kozlowski <krzk@kernel.org> (commit_signer:5/42=12%,authored:5/42=12%)
Emil Velikov <emil.velikov@collabora.com> (commit_signer:4/42=10%)
dri-devel@lists.freedesktop.org (open list:DRM DRIVERS)
linux-kernel@vger.kernel.org (open list)
(without double slash)
$ ./scripts/get_maintainer.pl -f drivers/gpu/drm/lima
Qiang Yu <yuq825@gmail.com> (maintainer:DRM DRIVERS FOR LIMA)
David Airlie <airlied@linux.ie> (maintainer:DRM DRIVERS)
Daniel Vetter <daniel@ffwll.ch> (maintainer:DRM DRIVERS)
dri-devel@lists.freedesktop.org (open list:DRM DRIVERS FOR LIMA)
lima@lists.freedesktop.org (moderated list:DRM DRIVERS FOR LIMA)
linux-kernel@vger.kernel.org (open list)
So reduce consecutive double slashes to a single slash
by using File::Spec->canonpath().
from: https://perldoc.perl.org/File/Spec/Unix.html
canonpath()
No physical check on the filesystem, but a logical cleanup of a path. On
UNIX eliminates successive slashes and successive "/.".
Reported-by: Emil Velikov <emil.l.velikov@gmail.com>
Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Link: http://lkml.kernel.org/r/9a18b611813bb409fef15bc8927adab79eb9be43.camel@perches.com
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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.yaml files can contain maintainer/author addresses and it seems unlikely
or unnecessary that individual MAINTAINER file section entries for each
.yaml file will be created.
So add the email addresses found in .yaml files to the default
get_maintainer output.
The email addresses are marked with "(in file)" when using the "--roles"
or "--rolestats" options.
Miscellanea:
o Change $file_emails to $email_file_emails to avoid visual
naming conflicts with @file_emails
Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Tested-by: Sam Ravnborg <sam@ravnborg.org>
Acked-by: Sam Ravnborg <sam@ravnborg.org>
Link: http://lkml.kernel.org/r/e85006456d9dbae55286c67ac5263668a72f5b58.1588022228.git.joe@perches.com
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Pull networking updates from David Miller:
1) Allow setting bluetooth L2CAP modes via socket option, from Luiz
Augusto von Dentz.
2) Add GSO partial support to igc, from Sasha Neftin.
3) Several cleanups and improvements to r8169 from Heiner Kallweit.
4) Add IF_OPER_TESTING link state and use it when ethtool triggers a
device self-test. From Andrew Lunn.
5) Start moving away from custom driver versions, use the globally
defined kernel version instead, from Leon Romanovsky.
6) Support GRO vis gro_cells in DSA layer, from Alexander Lobakin.
7) Allow hard IRQ deferral during NAPI, from Eric Dumazet.
8) Add sriov and vf support to hinic, from Luo bin.
9) Support Media Redundancy Protocol (MRP) in the bridging code, from
Horatiu Vultur.
10) Support netmap in the nft_nat code, from Pablo Neira Ayuso.
11) Allow UDPv6 encapsulation of ESP in the ipsec code, from Sabrina
Dubroca. Also add ipv6 support for espintcp.
12) Lots of ReST conversions of the networking documentation, from Mauro
Carvalho Chehab.
13) Support configuration of ethtool rxnfc flows in bcmgenet driver,
from Doug Berger.
14) Allow to dump cgroup id and filter by it in inet_diag code, from
Dmitry Yakunin.
15) Add infrastructure to export netlink attribute policies to
userspace, from Johannes Berg.
16) Several optimizations to sch_fq scheduler, from Eric Dumazet.
17) Fallback to the default qdisc if qdisc init fails because otherwise
a packet scheduler init failure will make a device inoperative. From
Jesper Dangaard Brouer.
18) Several RISCV bpf jit optimizations, from Luke Nelson.
19) Correct the return type of the ->ndo_start_xmit() method in several
drivers, it's netdev_tx_t but many drivers were using
'int'. From Yunjian Wang.
20) Add an ethtool interface for PHY master/slave config, from Oleksij
Rempel.
21) Add BPF iterators, from Yonghang Song.
22) Add cable test infrastructure, including ethool interfaces, from
Andrew Lunn. Marvell PHY driver is the first to support this
facility.
23) Remove zero-length arrays all over, from Gustavo A. R. Silva.
24) Calculate and maintain an explicit frame size in XDP, from Jesper
Dangaard Brouer.
25) Add CAP_BPF, from Alexei Starovoitov.
26) Support terse dumps in the packet scheduler, from Vlad Buslov.
27) Support XDP_TX bulking in dpaa2 driver, from Ioana Ciornei.
28) Add devm_register_netdev(), from Bartosz Golaszewski.
29) Minimize qdisc resets, from Cong Wang.
30) Get rid of kernel_getsockopt and kernel_setsockopt in order to
eliminate set_fs/get_fs calls. From Christoph Hellwig.
* git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next: (2517 commits)
selftests: net: ip_defrag: ignore EPERM
net_failover: fixed rollback in net_failover_open()
Revert "tipc: Fix potential tipc_aead refcnt leak in tipc_crypto_rcv"
Revert "tipc: Fix potential tipc_node refcnt leak in tipc_rcv"
vmxnet3: allow rx flow hash ops only when rss is enabled
hinic: add set_channels ethtool_ops support
selftests/bpf: Add a default $(CXX) value
tools/bpf: Don't use $(COMPILE.c)
bpf, selftests: Use bpf_probe_read_kernel
s390/bpf: Use bcr 0,%0 as tail call nop filler
s390/bpf: Maintain 8-byte stack alignment
selftests/bpf: Fix verifier test
selftests/bpf: Fix sample_cnt shared between two threads
bpf, selftests: Adapt cls_redirect to call csum_level helper
bpf: Add csum_level helper for fixing up csum levels
bpf: Fix up bpf_skb_adjust_room helper's skb csum setting
sfc: add missing annotation for efx_ef10_try_update_nic_stats_vf()
crypto/chtls: IPv6 support for inline TLS
Crypto/chcr: Fixes a coccinile check error
Crypto/chcr: Fixes compilations warnings
...
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Currently, modpost reads extra symbol dump files in the reverse order.
If '-e foo -e bar' is given, modpost reads bar, foo, in this order.
This is probably not a big deal, but there is no good reason to reverse
the order. Read files in the given order.
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
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The built-in only code is not required to have MODULE_IMPORT_NS() to
use symbols. So, the namespace is not checked for vmlinux(.o).
Do not pass the meaningless -N option to the first pass of modpost.
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
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