Commit Graph

3871 Commits

Author SHA1 Message Date
Colin Ian King 672934d247 scripts/spelling.txt: add several more common spelling mistakes
Here are some of the more common spelling mistakes that I've found while
fixing up spelling mistakes in kernel error message text.  They probably
should be added to this list so we don't keep on seeing them appearing
again.

Link: http://lkml.kernel.org/r/20170421122534.5378-1-colin.king@canonical.com
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Acked-by: Kees Cook <keescook@chromium.org>
Cc: Masahiro Yamada <yamada.masahiro@socionext.com>
Cc: Joe Perches <joe@perches.com>
Cc: Stephen Boyd <sboyd@codeaurora.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2017-05-03 15:52:07 -07:00
Linus Torvalds 0302e28dee Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security
Pull security subsystem updates from James Morris:
 "Highlights:

  IMA:
   - provide ">" and "<" operators for fowner/uid/euid rules

  KEYS:
   - add a system blacklist keyring

   - add KEYCTL_RESTRICT_KEYRING, exposes keyring link restriction
     functionality to userland via keyctl()

  LSM:
   - harden LSM API with __ro_after_init

   - add prlmit security hook, implement for SELinux

   - revive security_task_alloc hook

  TPM:
   - implement contextual TPM command 'spaces'"

* 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security: (98 commits)
  tpm: Fix reference count to main device
  tpm_tis: convert to using locality callbacks
  tpm: fix handling of the TPM 2.0 event logs
  tpm_crb: remove a cruft constant
  keys: select CONFIG_CRYPTO when selecting DH / KDF
  apparmor: Make path_max parameter readonly
  apparmor: fix parameters so that the permission test is bypassed at boot
  apparmor: fix invalid reference to index variable of iterator line 836
  apparmor: use SHASH_DESC_ON_STACK
  security/apparmor/lsm.c: set debug messages
  apparmor: fix boolreturn.cocci warnings
  Smack: Use GFP_KERNEL for smk_netlbl_mls().
  smack: fix double free in smack_parse_opts_str()
  KEYS: add SP800-56A KDF support for DH
  KEYS: Keyring asymmetric key restrict method with chaining
  KEYS: Restrict asymmetric key linkage using a specific keychain
  KEYS: Add a lookup_restriction function for the asymmetric key type
  KEYS: Add KEYCTL_RESTRICT_KEYRING
  KEYS: Consistent ordering for __key_link_begin and restrict check
  KEYS: Add an optional lookup_restriction hook to key_type
  ...
2017-05-03 08:50:52 -07:00
Linus Torvalds 89c9fea3c8 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial
Pull trivial tree updates from Jiri Kosina.

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial:
  tty: fix comment for __tty_alloc_driver()
  init/main: properly align the multi-line comment
  init/main: Fix double "the" in comment
  Fix dead URLs to ftp.kernel.org
  drivers: Clean up duplicated email address
  treewide: Fix typo in xml/driver-api/basics.xml
  tools/testing/selftests/powerpc: remove redundant CFLAGS in Makefile: "-Wall -O2 -Wall" -> "-O2 -Wall"
  selftests/timers: Spelling s/privledges/privileges/
  HID: picoLCD: Spelling s/REPORT_WRTIE_MEMORY/REPORT_WRITE_MEMORY/
  net: phy: dp83848: Fix Typo
  UBI: Fix typos
  Documentation: ftrace.txt: Correct nice value of 120 priority
  net: fec: Fix typo in error msg and comment
  treewide: Fix typos in printk
2017-05-02 19:09:35 -07:00
Linus Torvalds c58d4055c0 A reasonably busy cycle for documentation this time around. There is a new
guide for user-space API documents, rather sparsely populated at the
 moment, but it's a start.  Markus improved the infrastructure for
 converting diagrams.  Mauro has converted much of the USB documentation
 over to RST.  Plus the usual set of fixes, improvements, and tweaks.
 
 There's a bit more than the usual amount of reaching out of Documentation/
 to fix comments elsewhere in the tree; I have acks for those where I could
 get them.
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Merge tag 'docs-4.12' of git://git.lwn.net/linux

Pull documentation update from Jonathan Corbet:
 "A reasonably busy cycle for documentation this time around. There is a
  new guide for user-space API documents, rather sparsely populated at
  the moment, but it's a start. Markus improved the infrastructure for
  converting diagrams. Mauro has converted much of the USB documentation
  over to RST. Plus the usual set of fixes, improvements, and tweaks.

  There's a bit more than the usual amount of reaching out of
  Documentation/ to fix comments elsewhere in the tree; I have acks for
  those where I could get them"

* tag 'docs-4.12' of git://git.lwn.net/linux: (74 commits)
  docs: Fix a couple typos
  docs: Fix a spelling error in vfio-mediated-device.txt
  docs: Fix a spelling error in ioctl-number.txt
  MAINTAINERS: update file entry for HSI subsystem
  Documentation: allow installing man pages to a user defined directory
  Doc/PM: Sync with intel_powerclamp code behavior
  zr364xx.rst: usb/devices is now at /sys/kernel/debug/
  usb.rst: move documentation from proc_usb_info.txt to USB ReST book
  convert philips.txt to ReST and add to media docs
  docs-rst: usb: update old usbfs-related documentation
  arm: Documentation: update a path name
  docs: process/4.Coding.rst: Fix a couple of document refs
  docs-rst: fix usb cross-references
  usb: gadget.h: be consistent at kernel doc macros
  usb: composite.h: fix two warnings when building docs
  usb: get rid of some ReST doc build errors
  usb.rst: get rid of some Sphinx errors
  usb/URB.txt: convert to ReST and update it
  usb/persist.txt: convert to ReST and add to driver-api book
  usb/hotplug.txt: convert to ReST and add to driver-api book
  ...
2017-05-02 10:21:17 -07:00
Linus Torvalds 6dc2cce932 Merge branch 'x86-process-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pul x86/process updates from Ingo Molnar:
 "The main change in this cycle was to add the ARCH_[GET|SET]_CPUID
  prctl() ABI extension to control the availability of the CPUID
  instruction, analogously to the existing PR_GET|SET_TSC ABI that
  controls RDTSC.

  Motivation: the 'rr' user-space record-and-replay execution debugger
  would like to trap and emulate the CPUID instruction - which
  instruction is normally unprivileged.

  Trapping CPUID is possible on IvyBridge and later Intel CPUs - expose
  this hardware capability"

* 'x86-process-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  x86/syscalls/32: Ignore arch_prctl for other architectures
  um/arch_prctl: Fix fallout from x86 arch_prctl() rework
  x86/arch_prctl: Add ARCH_[GET|SET]_CPUID
  x86/cpufeature: Detect CPUID faulting support
  x86/syscalls/32: Wire up arch_prctl on x86-32
  x86/arch_prctl: Add do_arch_prctl_common()
  x86/arch_prctl/64: Rename do_arch_prctl() to do_arch_prctl_64()
  x86/arch_prctl/64: Use SYSCALL_DEFINE2 to define sys_arch_prctl()
  x86/arch_prctl: Rename 'code' argument to 'option'
  x86/msr: Rename MISC_FEATURE_ENABLES to MISC_FEATURES_ENABLES
  x86/process: Optimize TIF_NOTSC switch
  x86/process: Correct and optimize TIF_BLOCKSTEP switch
  x86/process: Optimize TIF checks in __switch_to_xtra()
2017-05-01 19:57:58 -07:00
Linus Torvalds 2dbf3d5c32 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/egtvedt/linux-avr32
Pull AVR32 removal from Hans-Christian Noren Egtvedt:
 "This will remove support for AVR32 architecture from the kernel and
  clean away the most obvious architecture related parts. Removing dead
  code in drivers is the next step"

Notes from previous discussion about this:
 "The AVR32 architecture is not keeping up with the development of the
  kernel, and since it shares so much of the drivers with Atmel ARM SoC,
  it is starting to hinder these drivers to develop swiftly.

  Also, all AVR32 AP7 SoC processors are end of lifed from Atmel (now
  Microchip).

  Finally, the GCC toolchain is stuck at version 4.2.x, and has not
  received any patches since the last release from Atmel;
  4.2.4-atmel.1.1.3.avr32linux.1.

  When building kernel v4.10, this toolchain is no longer able to
  properly link the network stack.

  Haavard and I have came to the conclusion that we feel keeping AVR32
  on life support offers more obstacles for Atmel ARMs, than it gives
  joy to AVR32 users. I also suspect there are very few AVR32 users left
  today, if anybody at all"

That discussion was acked by Andy Shevchenko, Boris Brezillon, Nicolas
Ferre, and Haavard Skinnemoen.

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/egtvedt/linux-avr32:
  mm: remove AVR32 arch special handling in mm/Kconfig
  lib: remove check for AVR32 arch in test_user_copy
  lib: remove AVR32 entry in Kconfig.debug compile with frame pointers
  scripts: remove AVR32 support from checkstack.pl
  docs: remove all references to AVR32 architecture
  avr32: remove support for AVR32 architecture
2017-05-01 15:02:19 -07:00
Hans-Christian Noren Egtvedt 1e06d1f872 scripts: remove AVR32 support from checkstack.pl
The AVR32 architecture support has been removed from the kernel, hence
remove the related bits from checkstack.pl script.

Signed-off-by: Hans-Christian Noren Egtvedt <egtvedt@samfundet.no>
Signed-off-by: Håvard Skinnemoen <hskinnemoen@gmail.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@microchip.com>
Acked-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Acked-by: Boris Brezillon <boris.brezillon@free-electrons.com>
2017-05-01 09:27:15 +02:00
Todd E Brandt bc167c7de8 tools: power: pm-graph: AnalyzeSuspend v4.6
Moved from scripts into tools, and updated from 4.5 to 4.6
- Changed the tool title to SleepGraph
- Reformatted the code so analyze_suspend can be used as a library
- Reorganized all html/js/css handling code to be used by other tools
- upgraded the -summary feature to work faster with better readability

Signed-off-by: Todd Brandt <todd.e.brandt@linux.intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2017-04-19 23:26:40 +02:00
James Morris fa5b5b26e2 Merge branch 'stable-4.12' of git://git.infradead.org/users/pcmoore/selinux into next 2017-04-19 08:30:08 +10:00
Linus Torvalds 9f0bffa18c Kbuild fixes for v4.11
- Hand-off primary maintainership of Kbuild
 - Fix build warnings
 - Fix build error when GCOV is enabled with old compiler
 - Fix HAVE_ASM_GOTO check when GCC plugin is enabled
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Merge tag 'kbuild-fixes-v4.11' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild

Pull Kbuild fixes from Masahiro Yamada:

 - hand-off primary maintainership of Kbuild

 - fix build warnings

 - fix build error when GCOV is enabled with old compiler

 - fix HAVE_ASM_GOTO check when GCC plugin is enabled

* tag 'kbuild-fixes-v4.11' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild:
  gconfig: remove misleading parentheses around a condition
  jump label: fix passing kbuild_cflags when checking for asm goto support
  Kbuild: use cc-disable-warning consistently for maybe-uninitialized
  kbuild: external module build warnings when KBUILD_OUTPUT set and W=1
  MAINTAINERS: add Masahiro Yamada as a Kbuild maintainer
2017-04-05 08:37:28 -07:00
Mauro Carvalho Chehab f9b5c5304c scripts/kernel-doc: fix handling of parameters with parenthesis
lib/crc32c defines one parameter as:
	const u32 (*tab)[256]

Better handle parenthesis, to avoid those warnings:

./lib/crc32.c:149: warning: No description found for parameter 'tab)[256]'
./lib/crc32.c:149: warning: Excess function parameter 'tab' description in 'crc32_le_generic'
./lib/crc32.c:294: warning: No description found for parameter 'tab)[256]'
./lib/crc32.c:294: warning: Excess function parameter 'tab' description in 'crc32_be_generic'

Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2017-04-02 14:06:56 -06:00
Mauro Carvalho Chehab b97f193abf scripts/kernel-doc: fix parser for apostrophes
On ReST, adding a text like ``literal`` is valid. However,
the kernel-doc script won't handle it fine.

We really need this feature, in order to escape things like
%ph, with is found on some C files.

Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2017-04-02 14:06:50 -06:00
Josh Poimboeuf 3f135e57a4 x86/build: Mostly disable '-maccumulate-outgoing-args'
The GCC '-maccumulate-outgoing-args' flag is enabled for most configs,
mostly because of issues which are no longer relevant.  For most
configs, and with most recent versions of GCC, it's no longer needed.

Clarify which cases need it, and only enable it for those cases.  Also
produce a compile-time error for the ftrace graph + mcount + '-Os' case,
which will otherwise cause runtime failures.

The main benefit of '-maccumulate-outgoing-args' is that it prevents an
ugly prologue for functions which have aligned stacks.  But removing the
option also has some benefits: more readable argument saves, smaller
text size, and (presumably) slightly improved performance.

Here are the object size savings for 32-bit and 64-bit defconfig
kernels:

      text	   data	    bss	     dec	    hex	filename
  10006710	3543328	1773568	15323606	 e9d1d6	vmlinux.x86-32.before
   9706358	3547424	1773568	15027350	 e54c96	vmlinux.x86-32.after

      text	   data	    bss	     dec	    hex	filename
  10652105	4537576	 843776	16033457	 f4a6b1	vmlinux.x86-64.before
  10639629	4537576	 843776	16020981	 f475f5	vmlinux.x86-64.after

That comes out to a 3% text size improvement on x86-32 and a 0.1% text
size improvement on x86-64.

Signed-off-by: Josh Poimboeuf <jpoimboe@redhat.com>
Cc: Andrew Lutomirski <luto@kernel.org>
Cc: Andy Lutomirski <luto@amacapital.net>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Brian Gerst <brgerst@gmail.com>
Cc: Denys Vlasenko <dvlasenk@redhat.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Pavel Machek <pavel@ucw.cz>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Steven Rostedt <rostedt@goodmis.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Link: http://lkml.kernel.org/r/20170316193133.zrj6gug53766m6nn@treble
Signed-off-by: Ingo Molnar <mingo@kernel.org>
2017-03-30 11:53:04 +02:00
SeongJae Park 4f6cce3910 Fix dead URLs to ftp.kernel.org
URLs to ftp.kernel.org are still exist though the service is closed [0].
This commit fixes the URLs to use www.kernel.org instead.

[0] https://www.kernel.org/shutting-down-ftp-services.html

Signed-off-by: SeongJae Park <sj38.park@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2017-03-28 16:16:52 +02:00
Arnd Bergmann f3e4559781 x86/syscalls/32: Ignore arch_prctl for other architectures
sys_arch_prctl is only provided on x86, and there is no reason
to add it elsewhere. However, including it on the 32-bit syscall
table caused a warning for most configurations on non-x86:

:1328:2: warning: #warning syscall arch_prctl not implemented [-Wcpp]

This adds an exception to the syscall table checking script.

Fixes: 79170fda31 ("x86/syscalls/32: Wire up arch_prctl on x86-32")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Cc: Kyle Huey <khuey@kylehuey.com>
Link: http://lkml.kernel.org/r/20170323151904.706286-1-arnd@arndb.de
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2017-03-24 14:13:55 +01:00
Nicolas Iooss 9be3213b14 gconfig: remove misleading parentheses around a condition
When building the kernel with clang, the compiler complains about the
presence of a condition inside two pairs of parentheses:

    scripts/kconfig/gconf.c:917:19: error: equality comparison with
    extraneous parentheses [-Werror,-Wparentheses-equality]
                    } else if ((col == COL_OPTION)) {
                                ~~~~^~~~~~~~~~~~~
    scripts/kconfig/gconf.c:917:19: note: remove extraneous parentheses
    around the comparison to silence this warning
                    } else if ((col == COL_OPTION)) {
                               ~    ^            ~
    scripts/kconfig/gconf.c:917:19: note: use '=' to turn this equality
    comparison into an assignment
                    } else if ((col == COL_OPTION)) {
                                    ^~
                                    =

Silence this warning by removing a level of parentheses.

Signed-off-by: Nicolas Iooss <nicolas.iooss_linux@m4x.org>
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
2017-03-22 02:56:33 +09:00
Allan, Bruce W 4607ebf04b kbuild: external module build warnings when KBUILD_OUTPUT set and W=1
Commit db547ef190 ("Kbuild: don't add obj tree in additional includes")
causes warnings (-Wmissing-include-dirs) when compiling external modules
with KBUILD_OUTPUT set and W=1.  This is because $src can be an absolute
path to the external module source which when prefixed with -I$(srctree)/
generates an incorrect directory path.

Signed-off-by: Bruce Allan <bruce.w.allan@intel.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
2017-03-11 11:25:57 +09:00
Nicolas Iooss c017c71ce0 selinux: include sys/socket.h in host programs to have PF_MAX
Compiling with clang and -Wundef makes the compiler report a usage of
undefined PF_MAX macro in security/selinux/include/classmap.h:

    In file included from scripts/selinux/mdp/mdp.c:48:
    security/selinux/include/classmap.h:37:31: warning: no previous
    extern declaration for non-static variable 'secclass_map'
    [-Wmissing-variable-declarations]
    struct security_class_mapping secclass_map[] = {
                                  ^
    security/selinux/include/classmap.h:235:5: error: 'PF_MAX' is not
    defined, evaluates to 0 [-Werror,-Wundef]
    #if PF_MAX > 43
        ^
    In file included from scripts/selinux/genheaders/genheaders.c:17:
    security/selinux/include/classmap.h:37:31: warning: no previous
    extern declaration for non-static variable 'secclass_map'
    [-Wmissing-variable-declarations]
    struct security_class_mapping secclass_map[] = {
                                  ^
    security/selinux/include/classmap.h:235:5: error: 'PF_MAX' is not
    defined, evaluates to 0 [-Werror,-Wundef]
    #if PF_MAX > 43
        ^

PF_MAX is defined in include/linux/socket.h but not in
include/uapi/linux/socket.h. Therefore host programs have to rely on the
definition from libc's /usr/include/bits/socket.h, included by
<sys/socket.h>.

Fix the issue by using sys/socket.h in mdp and genheaders. When
classmap.h is included by security/selinux/avc.c, it uses the kernel
definition of PF_MAX, which makes the test consistent.

Signed-off-by: Nicolas Iooss <nicolas.iooss@m4x.org>
Signed-off-by: Paul Moore <paul@paul-moore.com>
2017-03-10 15:09:27 -05:00
Linus Torvalds 8fe3ccaed0 Merge branch 'akpm' (patches from Andrew)
Merge fixes from Andrew Morton:
 "26 fixes"

* emailed patches from Andrew Morton <akpm@linux-foundation.org>: (26 commits)
  userfaultfd: remove wrong comment from userfaultfd_ctx_get()
  fat: fix using uninitialized fields of fat_inode/fsinfo_inode
  sh: cayman: IDE support fix
  kasan: fix races in quarantine_remove_cache()
  kasan: resched in quarantine_remove_cache()
  mm: do not call mem_cgroup_free() from within mem_cgroup_alloc()
  thp: fix another corner case of munlock() vs. THPs
  rmap: fix NULL-pointer dereference on THP munlocking
  mm/memblock.c: fix memblock_next_valid_pfn()
  userfaultfd: selftest: vm: allow to build in vm/ directory
  userfaultfd: non-cooperative: userfaultfd_remove revalidate vma in MADV_DONTNEED
  userfaultfd: non-cooperative: fix fork fctx->new memleak
  mm/cgroup: avoid panic when init with low memory
  drivers/md/bcache/util.h: remove duplicate inclusion of blkdev.h
  mm/vmstats: add thp_split_pud event for clarity
  include/linux/fs.h: fix unsigned enum warning with gcc-4.2
  userfaultfd: non-cooperative: release all ctx in dup_userfaultfd_complete
  userfaultfd: non-cooperative: robustness check
  userfaultfd: non-cooperative: rollback userfaultfd_exit
  x86, mm: unify exit paths in gup_pte_range()
  ...
2017-03-10 08:34:42 -08:00
Linus Torvalds 794fe7891d Fixes a typo in sancov plugin, exposed in earlier compiler versions
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Merge tag 'gcc-plugins-v4.11-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux

Pull gcc-plugins fix from Kees Cook:
 "Fixes a typo in sancov plugin, exposed in earlier compiler versions"

* tag 'gcc-plugins-v4.11-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux:
  gcc-plugins: fix sancov_plugin for gcc-5
2017-03-09 18:05:41 -08:00
Masahiro Yamada 505d3085d7 scripts/spelling.txt: add "overide" pattern and fix typo instances
Fix typos and add the following to the scripts/spelling.txt:

  overide||override

While we are here, fix the doubled "address" in the touched line
Documentation/devicetree/bindings/regulator/ti-abb-regulator.txt.

Also, fix the comment block style in the touched hunks in
drivers/media/dvb-frontends/drx39xyj/drx_driver.h.

Link: http://lkml.kernel.org/r/1481573103-11329-21-git-send-email-yamada.masahiro@socionext.com
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2017-03-09 17:01:09 -08:00
Masahiro Yamada 8a1115ff6b scripts/spelling.txt: add "disble(d)" pattern and fix typo instances
Fix typos and add the following to the scripts/spelling.txt:

  disble||disable
  disbled||disabled

I kept the TSL2563_INT_DISBLED in /drivers/iio/light/tsl2563.c
untouched.  The macro is not referenced at all, but this commit is
touching only comment blocks just in case.

Link: http://lkml.kernel.org/r/1481573103-11329-20-git-send-email-yamada.masahiro@socionext.com
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2017-03-09 17:01:09 -08:00
Linus Torvalds f26db9649a There was some breakage with the changes for jump labels in the 4.11 merge
window. Namely powerpc broke as jump labels uses the two LSB bits as flags
 in initialization. A check was added to make sure that all jump label
 entries were 4 bytes aligned, but powerpc didn't work that way for modules.
 Adding an alignment in the module linker script appeared to be the best
 solution.
 
 Jump labels also added an anonymous union to access those LSB bits as a
 normal long. But because this structure had static initialization, it broke
 older compilers that could not statically initialize anonymous unions
 without brackets.
 
 The command line parameter for setting function graph filter broke the
 "EMPTY_HASH" descriptor by modifying it instead of creating a new hash to
 hold the entries.
 
 The command line parameter ftrace_graph_max_depth was added to allow its
 setting at boot time. It uses existing code and only the command line hook
 was added. This is not really a fix, but as it uses existing code without
 affecting anything else, I added it to this release. It was ready before the
 merge window closed, but I wanted to let it sit in linux-next for a couple
 of days first.
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Merge tag 'trace-v4.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace

Pull tracing fixes from Steven Rostedt:
 "There was some breakage with the changes for jump labels in the 4.11
  merge window:

   - powerpc broke as jump labels uses the two LSB bits as flags in
     initialization.

     A check was added to make sure that all jump label entries were 4
     bytes aligned, but powerpc didn't work that way for modules. Adding
     an alignment in the module linker script appeared to be the best
     solution.

   - Jump labels also added an anonymous union to access those LSB bits
     as a normal long. But because this structure had static
     initialization, it broke older compilers that could not statically
     initialize anonymous unions without brackets.

   - The command line parameter for setting function graph filter broke
     the "EMPTY_HASH" descriptor by modifying it instead of creating a
     new hash to hold the entries.

   - The command line parameter ftrace_graph_max_depth was added to
     allow its setting at boot time. It uses existing code and only the
     command line hook was added.

     This is not really a fix, but as it uses existing code without
     affecting anything else, I added it to this release. It was ready
     before the merge window closed, but I wanted to let it sit in
     linux-next for a couple of days first"

* tag 'trace-v4.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace:
  ftrace/graph: Add ftrace_graph_max_depth kernel parameter
  tracing: Add #undef to fix compile error
  jump_label: Add comment about initialization order for anonymous unions
  jump_label: Fix anonymous union initialization
  module: set __jump_table alignment to 8
  ftrace/graph: Do not modify the EMPTY_HASH for the function_graph filter
  tracing: Fix code comment for ftrace_ops_get_func()
2017-03-07 09:37:28 -08:00
David Daney ab42632156 module: set __jump_table alignment to 8
For powerpc the __jump_table section in modules is not aligned, this
causes a WARN_ON() splat when loading a module containing a __jump_table.

Strict alignment became necessary with commit 3821fd35b5
("jump_label: Reduce the size of struct static_key"), currently in
linux-next, which uses the two least significant bits of pointers to
__jump_table elements.

Fix by forcing __jump_table to 8, which is the same alignment used for
this section in the kernel proper.

Link: http://lkml.kernel.org/r/20170301220453.4756-1-david.daney@cavium.com

Reviewed-by: Jason Baron <jbaron@akamai.com>
Acked-by: Jessica Yu <jeyu@redhat.com>
Acked-by: Michael Ellerman <mpe@ellerman.id.au> (powerpc)
Tested-by: Sachin Sant <sachinp@linux.vnet.ibm.com>
Signed-off-by: David Daney <david.daney@cavium.com>
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
2017-03-03 09:44:59 -05:00
Josh Poimboeuf e390f9a968 objtool, modules: Discard objtool annotation sections for modules
The '__unreachable' and '__func_stack_frame_non_standard' sections are
only used at compile time.  They're discarded for vmlinux but they
should also be discarded for modules.

Since this is a recurring pattern, prefix the section names with
".discard.".  It's a nice convention and vmlinux.lds.h already discards
such sections.

Also remove the 'a' (allocatable) flag from the __unreachable section
since it doesn't make sense for a discarded section.

Suggested-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Josh Poimboeuf <jpoimboe@redhat.com>
Cc: Jessica Yu <jeyu@redhat.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Fixes: d1091c7fa3 ("objtool: Improve detection of BUG() and other dead ends")
Link: http://lkml.kernel.org/r/20170301180444.lhd53c5tibc4ns77@treble
Signed-off-by: Ingo Molnar <mingo@kernel.org>
2017-03-01 20:32:25 +01:00
Alexey Dobriyan 522b837c67 checkpatch: warn when formats use %Z and suggest %z
vsnprintf extension %Z<foo> is non-standard C.  Suggest the use of %z
instead.

Miscellanea:

 - Correct the misuse of type string PRINTF_0xDECIMAL type strings are
   supposed to be uppercase only. Fix this and add tr/[a-z]/[A-Z] to the
   type check in case I forget this again sometime in the future.

 - Improve the mechanism to find these defects so all 3 current checks
   are done on the format string

[joe@perches.com: correct the misuse of type string PRINTF_0xDECIMAL, improve the mechanism to find these defects]
  Link: http://lkml.kernel.org/r/4e3ad74b0c9dc229b06018a2d79655308ddbbebd.1484014173.git.joe@perches.com
Link: http://lkml.kernel.org/r/20170109235955.GA6787@avx2
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2017-02-27 18:43:48 -08:00
Jinbum Park d7f6724366 scripts/spelling.txt: add some typo-words
I wrote a simple script to find new typo not in spelling.txt.
(https://github.com/jinb-park/find-linux-kernel-typo)

and get following result:

	[ rank ]
	63 paramaters
	18 alignement
	9 strucuture
	....

The number means how many files include the typo.
This patch adds these common typo.

Link: http://lkml.kernel.org/r/20170112113452.GA7042@pjb1027-Latitude-E5410
Signed-off-by: Jinbum Park <jinb.park7@gmail.com>
Acked-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2017-02-27 18:43:47 -08:00
Masahiro Yamada 4091fb95b5 scripts/spelling.txt: add "followings" pattern and fix typo instances
Fix typos and add the following to the scripts/spelling.txt:

  followings||following

While we are here, add a missing colon in the boilerplate in DT binding
documents.  The "you SoC" in allwinner,sunxi-pinctrl.txt was fixed as
well.

I reworded "as the followings:" to "as follows:" for
drivers/usb/gadget/udc/renesas_usb3.c.

Link: http://lkml.kernel.org/r/1481573103-11329-32-git-send-email-yamada.masahiro@socionext.com
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2017-02-27 18:43:47 -08:00
Masahiro Yamada 608595ed9b scripts/spelling.txt: add "therfore" pattern and fix typo instances
Fix typos and add the following to the scripts/spelling.txt:

  therfore||therefore

Besides, tidy up comment blocks for 80-col wrapping.

Link: http://lkml.kernel.org/r/1481573103-11329-31-git-send-email-yamada.masahiro@socionext.com
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2017-02-27 18:43:47 -08:00
Masahiro Yamada b8a14f3379 scripts/spelling.txt: add "overwriten" pattern and fix typo instances
Fix typos and add the following to the scripts/spelling.txt:

  overwrien||overwritten

Link: http://lkml.kernel.org/r/1481573103-11329-30-git-send-email-yamada.masahiro@socionext.com
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2017-02-27 18:43:47 -08:00
Masahiro Yamada 9a284e5c9e scripts/spelling.txt: add "overwritting" pattern and fix typo instances
Fix typos and add the following to the scripts/spelling.txt:

  overwritting||overwriting

Link: http://lkml.kernel.org/r/1481573103-11329-29-git-send-email-yamada.masahiro@socionext.com
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2017-02-27 18:43:47 -08:00
Masahiro Yamada 1cce200081 scripts/spelling.txt: add "deintialize(d)" pattern and fix typo instances
Fix typos and add the following to the scripts/spelling.txt:

  deintializing||deinitializing
  deintialize||deinitialize
  deintialized||deinitialized

Link: http://lkml.kernel.org/r/1481573103-11329-28-git-send-email-yamada.masahiro@socionext.com
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2017-02-27 18:43:47 -08:00
Masahiro Yamada 66f0044908 scripts/spelling.txt: add "disassocation" pattern and fix typo instances
Fix typos and add the following to the scripts/spelling.txt:

  disassocation||disassociation

Link: http://lkml.kernel.org/r/1481573103-11329-27-git-send-email-yamada.masahiro@socionext.com
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2017-02-27 18:43:47 -08:00
Masahiro Yamada 0cf2a848ef scripts/spelling.txt: add "omited" pattern and fix typo instances
Fix typos and add the following to the scripts/spelling.txt:

  omited||omitted
  omiting||omitting

Link: http://lkml.kernel.org/r/1481573103-11329-26-git-send-email-yamada.masahiro@socionext.com
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2017-02-27 18:43:47 -08:00
Masahiro Yamada 34dcaf40c1 scripts/spelling.txt: add "explictely" pattern and fix typo instances
Fix typos and add the following to the scripts/spelling.txt:

  explictely||explicitly

Link: http://lkml.kernel.org/r/1481573103-11329-25-git-send-email-yamada.masahiro@socionext.com
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2017-02-27 18:43:47 -08:00
Masahiro Yamada a6ab4eff19 scripts/spelling.txt: add "applys" pattern and fix typo instances
Fix typos and add the following to the scripts/spelling.txt:

  applys||applies

The "applyes" in drivers/video/fbdev/aty/radeon_monitor.c is a different
pattern but it was fixed in this commit.  The "This functions" in the
same line was fixed as well.

Link: http://lkml.kernel.org/r/1481573103-11329-24-git-send-email-yamada.masahiro@socionext.com
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2017-02-27 18:43:47 -08:00
Masahiro Yamada 2c14960100 scripts/spelling.txt: add "configuartion" pattern and fix typo instances
Fix typos and add the following to the scripts/spelling.txt:

  configuartion||configuration

While we are here, fix the "ouput" as well in the touched hunk in
drivers/media/dvb-frontends/drx39xyj/drx_driver.h.

Link: http://lkml.kernel.org/r/1481573103-11329-23-git-send-email-yamada.masahiro@socionext.com
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2017-02-27 18:43:47 -08:00
Masahiro Yamada 03671057c3 scripts/spelling.txt: add "overrided" pattern and fix typo instances
Fix typos and add the following to the scripts/spelling.txt:

  overrided||overridden

Link: http://lkml.kernel.org/r/1481573103-11329-22-git-send-email-yamada.masahiro@socionext.com
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2017-02-27 18:43:47 -08:00
Masahiro Yamada 3f8b6fb7f2 scripts/spelling.txt: add "comsume(r)" pattern and fix typo instances
Fix typos and add the following to the scripts/spelling.txt:

  comsume||consume
  comsumer||consumer
  comsuming||consuming

I see some variable names with this pattern, but this commit is only
touching comment blocks to avoid unexpected impact.

Link: http://lkml.kernel.org/r/1481573103-11329-19-git-send-email-yamada.masahiro@socionext.com
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2017-02-27 18:43:47 -08:00
Masahiro Yamada d7f3153e22 scripts/spelling.txt: add "initialiazation" pattern and fix typo instances
Fix typos and add the following to the scripts/spelling.txt:

  initialiazation||initialization

While we are here, fix the "overriden" in the touched line in
drivers/net/ethernet/broadcom/bnx2x/bnx2x_link.c.

Link: http://lkml.kernel.org/r/1481573103-11329-17-git-send-email-yamada.masahiro@socionext.com
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2017-02-27 18:43:47 -08:00
Masahiro Yamada 183b8021fc scripts/spelling.txt: add "intialization" pattern and fix typo instances
Fix typos and add the following to the scripts/spelling.txt:

  intialization||initialization

The "inintialization" in drivers/acpi/spcr.c is a different pattern but
I fixed it as well in this commit.

Link: http://lkml.kernel.org/r/1481573103-11329-16-git-send-email-yamada.masahiro@socionext.com
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2017-02-27 18:43:47 -08:00
Masahiro Yamada 4d39f0ac8e scripts/spelling.txt: add "unneded" pattern and fix typo instances
Fix typos and add the following to the scripts/spelling.txt:

  unneded||unneeded

Link: http://lkml.kernel.org/r/1481573103-11329-15-git-send-email-yamada.masahiro@socionext.com
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2017-02-27 18:43:47 -08:00
Masahiro Yamada 176180c2b4 scripts/spelling.txt: add "neded" pattern and fix typo instances
Fix typos and add the following to the scripts/spelling.txt:

  neded||needed

While we are here, fix the "overriden", "wont", and "etc" in the same
hunk in drivers/media/usb/tm6000/tm6000-input.c.

Link: http://lkml.kernel.org/r/1481573103-11329-14-git-send-email-yamada.masahiro@socionext.com
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2017-02-27 18:43:47 -08:00
Masahiro Yamada 57366a8d0b scripts/spelling.txt: add "againt" pattern and fix typo instances
Fix typos and add the following to the scripts/spelling.txt:

  againt||against

While we are here, fix the "capabilites" as well in the touched hunk in
drivers/gpu/drm/drm_probe_helper.c.

Link: http://lkml.kernel.org/r/1481573103-11329-13-git-send-email-yamada.masahiro@socionext.com
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2017-02-27 18:43:47 -08:00
Masahiro Yamada b43daedc0e scripts/spelling.txt: add "embeded" pattern and fix typo instances
Fix typos and add the following to the scripts/spelling.txt:

  embeded||embedded

Link: http://lkml.kernel.org/r/1481573103-11329-12-git-send-email-yamada.masahiro@socionext.com
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2017-02-27 18:43:47 -08:00
Masahiro Yamada b564d62e67 scripts/spelling.txt: add "varible" pattern and fix typo instances
Fix typos and add the following to the scripts/spelling.txt:

  varible||variable

While we are here, tidy up the comment blocks that fit in a single line
for drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c and
net/sctp/transport.c.

Link: http://lkml.kernel.org/r/1481573103-11329-11-git-send-email-yamada.masahiro@socionext.com
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2017-02-27 18:43:47 -08:00
Masahiro Yamada 4e0385dd74 scripts/spelling.txt: add "efective" pattern and fix typo instances
Fix typos and add the following to the scripts/spelling.txt:

  efective||effective

While we are here, fix the "addres" as well in the touched line in
arch/openrisc/kernel/entry.S.

Link: http://lkml.kernel.org/r/1481573103-11329-10-git-send-email-yamada.masahiro@socionext.com
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Acked-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2017-02-27 18:43:46 -08:00
Masahiro Yamada 89d790ab31 scripts/spelling.txt: add "algined" pattern and fix typo instances
Fix typos and add the following to the scripts/spelling.txt:

  algined||aligned

While we are here, fix the "appplication" in the touched line in
drivers/block/loop.c.  Also, fix the "may not naturally ..." to
"may not be naturally ..." in the touched line in mm/page_alloc.

Link: http://lkml.kernel.org/r/1481573103-11329-9-git-send-email-yamada.masahiro@socionext.com
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2017-02-27 18:43:46 -08:00
Masahiro Yamada 550116d21a scripts/spelling.txt: add "aligment" pattern and fix typo instances
Fix typos and add the following to the scripts/spelling.txt:

  aligment||alignment

I did not touch the "N_BYTE_ALIGMENT" macro in
drivers/net/wireless/realtek/rtlwifi/wifi.h to avoid unpredictable
impact.

I fixed "_aligment_handler" in arch/openrisc/kernel/entry.S because
it is surrounded by #if 0 ... #endif.  It is surely safe and I
confirmed "_alignment_handler" is correct.

I also fixed the "controler" I found in the same hunk in
arch/openrisc/kernel/head.S.

Link: http://lkml.kernel.org/r/1481573103-11329-8-git-send-email-yamada.masahiro@socionext.com
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2017-02-27 18:43:46 -08:00
Masahiro Yamada 0f5e155830 scripts/spelling.txt: add "an one" pattern and fix typo instances
Fix typos and add the following to the scripts/spelling.txt:

  an one||a one

I dropped the "an" before "one or more" in
drivers/net/ethernet/sfc/mcdi_pcol.h.

Link: http://lkml.kernel.org/r/1481573103-11329-6-git-send-email-yamada.masahiro@socionext.com
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2017-02-27 18:43:46 -08:00