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* Merge tag 'kbuild-misc-v4.15' of ↵Linus Torvalds2017-11-181-3/+0
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild Pull Kbuild misc updates from Masahiro Yamada: - Clean up and fix RPM package build - Fix a warning in DEB package build - Improve coccicheck script - Improve some semantic patches * tag 'kbuild-misc-v4.15' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild: docs: dev-tools: coccinelle: delete out of date wiki reference coccinelle: orplus: reorganize to improve performance coccinelle: use exists to improve efficiency builddeb: Pass the kernel:debarch substvar to dpkg-genchanges Coccinelle: use false positive annotation coccinelle: fix verbose message about .cocci file being run coccinelle: grep Options and Requires fields more precisely Coccinelle: make DEBUG_FILE option more useful coccinelle: api: detect identical chip data arrays coccinelle: Improve setup_timer.cocci matching Coccinelle: setup_timer: improve messages from setup_timer kbuild: rpm-pkg: do not force -jN in submake kbuild: rpm-pkg: keep spec file until make mrproper kbuild: rpm-pkg: fix jobserver unavailable warning kbuild: rpm-pkg: replace $RPM_BUILD_ROOT with %{buildroot} kbuild: rpm-pkg: fix build error when CONFIG_MODULES is disabled kbuild: rpm-pkg: refactor mkspec with here doc kbuild: rpm-pkg: clean up mkspec kbuild: rpm-pkg: install vmlinux.bz2 unconditionally kbuild: rpm-pkg: remove ppc64 specific image handling
| * docs: dev-tools: coccinelle: delete out of date wiki referenceJulia Lawall2017-11-161-3/+0
| | | | | | | | | | | | | | The wiki is no longer available. Signed-off-by: Julia Lawall <julia.lawall@lip6.fr> Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
* | kcov: update documentationVictor Chibotaru2017-11-181-4/+95
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The updated documentation describes new KCOV mode for collecting comparison operands. Link: http://lkml.kernel.org/r/20171011095459.70721-3-glider@google.com Signed-off-by: Victor Chibotaru <tchibo@google.com> Signed-off-by: Alexander Potapenko <glider@google.com> Cc: Dmitry Vyukov <dvyukov@google.com> Cc: Andrey Konovalov <andreyknvl@google.com> Cc: Mark Rutland <mark.rutland@arm.com> Cc: Alexander Popov <alex.popov@linux.com> Cc: Andrey Ryabinin <aryabinin@virtuozzo.com> Cc: Kees Cook <keescook@chromium.org> Cc: Vegard Nossum <vegard.nossum@oracle.com> Cc: Quentin Casasnovas <quentin.casasnovas@oracle.com> Cc: <syzkaller@googlegroups.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* | kmemcheck: rip it outLevin, Alexander (Sasha Levin)2017-11-162-734/+0
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Fix up makefiles, remove references, and git rm kmemcheck. Link: http://lkml.kernel.org/r/20171007030159.22241-4-alexander.levin@verizon.com Signed-off-by: Sasha Levin <alexander.levin@verizon.com> Cc: Steven Rostedt <rostedt@goodmis.org> Cc: Vegard Nossum <vegardno@ifi.uio.no> Cc: Pekka Enberg <penberg@kernel.org> Cc: Michal Hocko <mhocko@kernel.org> Cc: Eric W. Biederman <ebiederm@xmission.com> Cc: Alexander Potapenko <glider@google.com> Cc: Tim Hansen <devtimhansen@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* | docs: dev-tools: correct Coccinelle version numberJulia Lawall2017-10-191-1/+1
| | | | | | | | | | | | | | There is no Coccinelle version 1.2. 1.0.2 must be what was intended. Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr> Signed-off-by: Jonathan Corbet <corbet@lwn.net>
* | doc: dev-tools: kselftest.rst: update to include make O=dir supportShuah Khan2017-10-121-2/+32
|/ | | | | | | | | Update to include details on make O=dir support and other changes improve test results output. Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com> [jc: Tweaked RST formatting slightly ] Signed-off-by: Jonathan Corbet <corbet@lwn.net>
* docs: disable KASLR when debugging kernelZhouyi Zhou2017-07-171-2/+4
| | | | | | | | | | | | commit 6807c84652b0 ("x86: Enable KASLR by default") enables KASLR by default on x86. While KASLR will confuse gdb which resolve kernel symbol address from symbol table of vmlinux. We should turn off KASLR for kernel debugging. Signed-off-by: Zhouyi Zhou <zhouzhouyi@gmail.com> Reviewed-by: Kieran Bingham <kbingham@kernel.org> Acked-by: Jan Kiszka <jan.kiszka@siemens.com> Signed-off-by: Jonathan Corbet <corbet@lwn.net>
* docs: disable KASLR when debugging kernelZhouyi Zhou2017-07-171-1/+10
| | | | | | | | | | commit 6807c84652b0 ("x86: Enable KASLR by default") enables KASLR by default on x86. While KASLR will confuse gdb which resolve kernel symbol address from symbol table of vmlinux. We should turn off KASLR for kernel debugging. Signed-off-by: Zhouyi Zhou <zhouzhouyi@gmail.com> Signed-off-by: Jonathan Corbet <corbet@lwn.net>
* Merge tag 'linux-kselftest-4.13-rc1-update' of ↵Linus Torvalds2017-07-072-0/+156
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest Pull Kselftest updates from Shuah Khan: "This update consists of: - TAP13 framework and changes to some tests to convert to TAP13. Converting kselftest output to standard format will help identify run to run differences and pin point failures easily. TAP13 format has been in use for several years and the output is human friendly. Please find the specification: https://testanything.org/tap-version-13-specification.html Credit goes to Tim Bird for recommending TAP13 as a suitable format, and to Grag KH for kick starting the work with help from Paul Elder and Alice Ferrazzi The first phase of the TAp13 conversion is included in this update. Future updates will include updates to rest of the tests. - Masami Hiramatsu fixed ftrace to run on 4.9 stable kernels. - Kselftest documnetation has been converted to ReST format. Document now has a new home under Documentation/dev-tools. - kselftest_harness.h is now available for general use as a result of Mickaël Salaün's work. - Several fixes to skip and/or fail tests gracefully on older releases" * tag 'linux-kselftest-4.13-rc1-update' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest: (48 commits) selftests: membarrier: use ksft_* var arg msg api selftests: breakpoints: breakpoint_test_arm64: convert test to use TAP13 selftests: breakpoints: step_after_suspend_test use ksft_* var arg msg api selftests: breakpoint_test: use ksft_* var arg msg api kselftest: add ksft_print_msg() function to output general information kselftest: make ksft_* output functions variadic selftests/capabilities: Fix the test_execve test selftests: intel_pstate: add .gitignore selftests: fix memory-hotplug test selftests: add missing test name in memory-hotplug test selftests: check percentage range for memory-hotplug test selftests: check hot-pluggagble memory for memory-hotplug test selftests: typo correction for memory-hotplug test selftests: ftrace: Use md5sum to take less time of checking logs tools/testing/selftests/sysctl: Add pre-check to the value of writes_strict kselftest.rst: do some adjustments after ReST conversion selftest/net/Makefile: Specify output with $(OUTPUT) selftest/intel_pstate/aperf: Use LDLIBS instead of LDFLAGS selftest/memfd/Makefile: Fix build error selftests: lib: Skip tests on missing test modules ...
| * kselftest.rst: do some adjustments after ReST conversionMauro Carvalho Chehab2017-06-261-16/+16
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Do some minor adjustments after ReST conversion: - On most documents, we use prepend a "$ " before command line arguments; - Prefer to use :: on the preceding line; - Split a multi-paragraph description as such. Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com> Acked-by: Jonathan Corbet <corbet@lwn.net> Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com>
| * Documentation/dev-tools: Add kselftest_harness documentationMickaël Salaün2017-06-071-0/+33
| | | | | | | | | | | | | | | | | | | | | | | | | | Add ReST metadata to kselftest_harness.h to be able to include the comments in the Sphinx documentation. Signed-off-by: Mickaël Salaün <mic@digikod.net> Cc: Andy Lutomirski <luto@amacapital.net> Cc: Jonathan Corbet <corbet@lwn.net> Cc: Kees Cook <keescook@chromium.org> Cc: Shuah Khan <shuah@kernel.org> Cc: Will Drewry <wad@chromium.org> Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com>
| * Documentation/dev-tools: Use reStructuredText markups for kselftestMickaël Salaün2017-06-072-27/+41
| | | | | | | | | | | | | | | | | | | | Include and convert kselftest to the Sphinx format. Signed-off-by: Mickaël Salaün <mic@digikod.net> Acked-by: Kees Cook <keescook@chromium.org> Cc: Jonathan Corbet <corbet@lwn.net> Cc: Shuah Khan <shuah@kernel.org> Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com>
| * Documentation/dev-tools: Add kselftestMickaël Salaün2017-06-071-0/+109
| | | | | | | | | | | | | | | | | | | | Move kselftest.txt to dev-tools/kselftest.rst . Signed-off-by: Mickaël Salaün <mic@digikod.net> Acked-by: Kees Cook <keescook@chromium.org> Cc: Jonathan Corbet <corbet@lwn.net> Cc: Shuah Khan <shuah@kernel.org> Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com>
* | mm: kmemleak: treat vm_struct as alternative reference to vmalloc'ed objectsCatalin Marinas2017-07-071-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Kmemleak requires that vmalloc'ed objects have a minimum reference count of 2: one in the corresponding vm_struct object and the other owned by the vmalloc() caller. There are cases, however, where the original vmalloc() returned pointer is lost and, instead, a pointer to vm_struct is stored (see free_thread_stack()). Kmemleak currently reports such objects as leaks. This patch adds support for treating any surplus references to an object as additional references to a specified object. It introduces the kmemleak_vmalloc() API function which takes a vm_struct pointer and sets its surplus reference passing to the actual vmalloc() returned pointer. The __vmalloc_node_range() calling site has been modified accordingly. Link: http://lkml.kernel.org/r/1495726937-23557-4-git-send-email-catalin.marinas@arm.com Signed-off-by: Catalin Marinas <catalin.marinas@arm.com> Reported-by: "Luis R. Rodriguez" <mcgrof@kernel.org> Cc: Michal Hocko <mhocko@kernel.org> Cc: Andy Lutomirski <luto@amacapital.net> Cc: "Luis R. Rodriguez" <mcgrof@kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* | Merge tag 'docs-4.13' of git://git.lwn.net/linuxLinus Torvalds2017-07-042-0/+908
|\ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Pull documentation updates from Jonathan Corbet: "There has been a fair amount of activity in the docs tree this time around. Highlights include: - Conversion of a bunch of security documentation into RST - The conversion of the remaining DocBook templates by The Amazing Mauro Machine. We can now drop the entire DocBook build chain. - The usual collection of fixes and minor updates" * tag 'docs-4.13' of git://git.lwn.net/linux: (90 commits) scripts/kernel-doc: handle DECLARE_HASHTABLE Documentation: atomic_ops.txt is core-api/atomic_ops.rst Docs: clean up some DocBook loose ends Make the main documentation title less Geocities Docs: Use kernel-figure in vidioc-g-selection.rst Docs: fix table problems in ras.rst Docs: Fix breakage with Sphinx 1.5 and upper Docs: Include the Latex "ifthen" package doc/kokr/howto: Only send regression fixes after -rc1 docs-rst: fix broken links to dynamic-debug-howto in kernel-parameters doc: Document suitability of IBM Verse for kernel development Doc: fix a markup error in coding-style.rst docs: driver-api: i2c: remove some outdated information Documentation: DMA API: fix a typo in a function name Docs: Insert missing space to separate link from text doc/ko_KR/memory-barriers: Update control-dependencies example Documentation, kbuild: fix typo "minimun" -> "minimum" docs: Fix some formatting issues in request-key.rst doc: ReSTify keys-trusted-encrypted.txt doc: ReSTify keys-request-key.txt ...
| * | kgdb.rst: Adjust ReST markupsMauro Carvalho Chehab2017-05-161-255/+232
| | | | | | | | | | | | | | | | | | | | | | | | | | | The automatic conversion didn't work too well for this file. It added weird html blocks inside it, and did some weird things for literals. Manually fix it, in order to present a nice display at html/pdf outputs. Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
| * | docs-rst: convert kgdb DocBook to ReSTMauro Carvalho Chehab2017-05-162-0/+931
| |/ | | | | | | | | | | | | Use pandoc to convert documentation to ReST by calling Documentation/sphinx/tmplcvt script. Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
* / rcu: Remove SPARSE_RCU_POINTER Kconfig optionPaul E. McKenney2017-06-091-6/+0
|/ | | | | | | | | | | The sparse-based checking for non-RCU accesses to RCU-protected pointers has been around for a very long time, and it is now the only type of sparse-based checking that is optional. This commit therefore makes it unconditional. Reported-by: Ingo Molnar <mingo@kernel.org> Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com> Cc: Fengguang Wu <fengguang.wu@intel.com>
* scripts/spelling.txt: add "disble(d)" pattern and fix typo instancesMasahiro Yamada2017-03-101-1/+1
| | | | | | | | | | | | | | | | 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>
* Improve sparse documentationMatthew Wilcox2017-02-151-0/+6
| | | | | | | | | Add documentation of -DCONFIG_SPARSE_RCU_POINTER. I started to add documentation of -D__CHECK_ENDIAN__ as well, but discovered I'm too late; that's now enabled by default. Signed-off-by: Matthew Wilcox <mawilcox@microsoft.com> Signed-off-by: Jonathan Corbet <corbet@lwn.net>
* Documentation/sparse: drop __CHECK_ENDIAN__Michael S. Tsirkin2016-12-151-6/+1
| | | | | | It's no longer used. Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
* Documentation/sparse: drop __bitwise__Michael S. Tsirkin2016-12-151-7/+0
| | | | | | | We dropped __CHECK_ENDIAN__ so __bitwise__ is now an implementation detail. People should use __bitwise everywhere. Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
* Documentation/dev-tools: use code-block with proper languageJani Nikula2016-11-032-3/+9
| | | | | | | Now that we don't have automatic syntax highlighting, use the code-block directive with the explicitly selected language, where appropriate. Signed-off-by: Jani Nikula <jani.nikula@intel.com>
* doc-rst: make dev-tools folder buildable stand-aloneMarkus Heiser2016-10-272-0/+18
| | | | | | | | | | | | Add minimal conf.py and moved dev-tools/tools.rst to dev-tools/index.rst makes the dev-tools folder buildable stand-alone. To build only this folder run:: make SPHINXDIRS=dev-tools htmldocs make SPHINXDIRS=dev-tools pdfdocs Signed-off-by: Markus Heiser <markus.heiser@darmarit.de> Signed-off-by: Jonathan Corbet <corbet@lwn.net>
* mm: kmemleak: avoid using __va() on addresses that don't have a lowmem mappingCatalin Marinas2016-10-121-0/+9
| | | | | | | | | | | | | | | | | | | | | | | | | Some of the kmemleak_*() callbacks in memblock, bootmem, CMA convert a physical address to a virtual one using __va(). However, such physical addresses may sometimes be located in highmem and using __va() is incorrect, leading to inconsistent object tracking in kmemleak. The following functions have been added to the kmemleak API and they take a physical address as the object pointer. They only perform the corresponding action if the address has a lowmem mapping: kmemleak_alloc_phys kmemleak_free_part_phys kmemleak_not_leak_phys kmemleak_ignore_phys The affected calling places have been updated to use the new kmemleak API. Link: http://lkml.kernel.org/r/1471531432-16503-1-git-send-email-catalin.marinas@arm.com Signed-off-by: Catalin Marinas <catalin.marinas@arm.com> Reported-by: Vignesh R <vigneshr@ti.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* Merge branch 'dev-tools' into doc/4.9Jonathan Corbet2016-08-191-1/+1
| | | | | Coalesce development-tool documents into a single directory and sphinxify them.
* docs: Sphinxify gdb-kernel-debugging.txt and move to dev-toolsJonathan Corbet2016-08-192-0/+174
| | | | | Acked-by: Jan Kiszka <jan.kiszka@siemens.com> Signed-off-by: Jonathan Corbet <corbet@lwn.net>
* docs: sphinxify kmemcheck.txt and move to dev-toolsJonathan Corbet2016-08-192-0/+734
| | | | | | Cc: Vegard Nossum <vegardno@ifi.uio.no> Cc: Pekka Enberg <penberg@kernel.org> Signed-off-by: Jonathan Corbet <corbet@lwn.net>
* docs: sphinxify kmemleak.txt and move it to dev-toolsJonathan Corbet2016-08-192-0/+211
| | | | | Acked-by: Catalin Marinas <catalin.marinas@arm.com> Signed-off-by: Jonathan Corbet <corbet@lwn.net>
* docs: sphinxify ubsan.txt and move it to dev-toolsJonathan Corbet2016-08-192-0/+89
| | | | | Acked-by: Andrey Ryabinin <aryabinin@virtuozzo.com> Signed-off-by: Jonathan Corbet <corbet@lwn.net>
* docs: sphinxify kasan.txt and move to dev-toolsJonathan Corbet2016-08-192-0/+174
| | | | | | | | | No textual changes beyond formatting. Acked-by: Andrey Ryabinin <aryabinin@virtuozzo.com> Acked-by: Alexander Potapenko <glider@google.com> Cc: Dmitry Vyukov <dvyukov@google.com> Signed-off-by: Jonathan Corbet <corbet@lwn.net>
* docs: sphinixfy gcov.txt and move to dev-toolsJonathan Corbet2016-08-192-0/+257
| | | | | | | No textual changes beyond formatting. Cc: Peter Oberparleiter <oberpar@linux.vnet.ibm.com> Signed-off-by: Jonathan Corbet <corbet@lwn.net>
* docs: sphinxify kcov.txt and move to dev-toolsJonathan Corbet2016-08-192-0/+112
| | | | | | | Another document added to the dev-tools collection. Cc: Dmitry Vyukov <dvyukov@google.com> Signed-off-by: Jonathan Corbet <corbet@lwn.net>
* docs: sphinxify sparse.txt and move to dev-toolsJonathan Corbet2016-08-192-0/+118
| | | | | | | Fold the sparse document into the development tools set; no changes to the text itself beyond formatting. Signed-off-by: Jonathan Corbet <corbet@lwn.net>
* docs: sphinxify coccinelle.txt and add it to dev-toolsJonathan Corbet2016-08-192-0/+492
| | | | | | | | | | | No textual changes have been made, but the formatting has obviously been tweaked. Cc: Michal Marek <mmarek@suse.com> Cc: Gilles Muller <Gilles.Muller@lip6.fr> Acked-by: Nicolas Palix <nicolas.palix@imag.fr> Acked-by: Julia Lawall <julia.lawall@lip6.fr> Signed-off-by: Jonathan Corbet <corbet@lwn.net>
* docs: create a new dev-tools directoryJonathan Corbet2016-08-191-0/+16
This directory will be a collecting point for documentation oriented around development tools. As a step toward ordering Documentation/ it's a small one, but we have to start somewhere... Signed-off-by: Jonathan Corbet <corbet@lwn.net>
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