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2017-02-22Merge branch 'akpm' (patches from Andrew)Linus Torvalds
Merge updates from Andrew Morton: "142 patches: - DAX updates - various misc bits - OCFS2 updates - most of MM" * emailed patches from Andrew Morton <akpm@linux-foundation.org>: (142 commits) mm/z3fold.c: limit first_num to the actual range of possible buddy indexes mm: fix <linux/pagemap.h> stray kernel-doc notation zram: remove obsolete sysfs attrs mm/memblock.c: remove unnecessary log and clean up oom-reaper: use madvise_dontneed() logic to decide if unmap the VMA mm: drop unused argument of zap_page_range() mm: drop zap_details::check_swap_entries mm: drop zap_details::ignore_dirty mm, page_alloc: warn_alloc nodemask is NULL when cpusets are disabled mm: help __GFP_NOFAIL allocations which do not trigger OOM killer mm, oom: do not enforce OOM killer for __GFP_NOFAIL automatically mm: consolidate GFP_NOFAIL checks in the allocator slowpath lib/show_mem.c: teach show_mem to work with the given nodemask arch, mm: remove arch specific show_mem mm, page_alloc: warn_alloc print nodemask mm, page_alloc: do not report all nodes in show_mem Revert "mm: bail out in shrink_inactive_list()" mm, vmscan: consider eligible zones in get_scan_count mm, vmscan: cleanup lru size claculations mm, vmscan: do not count freed pages as PGDEACTIVATE ...
2017-02-22Merge tag 'devicetree-for-4.11' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux Pull DeviceTree updates from Rob Herring: "Pretty standard stuff with dtc upstream sync being the biggest piece. - Sync dtc to upstream commit 0931cea3ba20. This picks up overlay support in dtc. - Set dma_ops for reserved memory users. - Make references to IOMMU consistent in DT bindings. - Cleanup references to pm_power_off in bindings. - Move some display bindings that snuck into the old bindings/video/ path. - Fix some wrong documentation paths caused from binding restructuring. - Vendor prefixes for Faraday and Fujitsu. - Fix an of_node ref counting leak in of_find_node_opts_by_path - Introduce new graph helper of_graph_get_remote_node() which will be used by DRM drivers in 4.12" * tag 'devicetree-for-4.11' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux: (27 commits) DT: add Faraday Tec. as vendor of: introduce of_graph_get_remote_node of: Add missing space at end of pr_fmt(). of: make of_device_make_bus_id() static of: fix of_node leak caused in of_find_node_opts_by_path dt-bindings: net: remove reference to fixed link support dt-bindings: power: reset: qnap-poweroff: Drop reference to pm_power_off dt-bindings: power: reset: gpio-poweroff: Drop reference to pm_power_off dt-bindings: mfd: as3722: Drop reference to pm_power_off dt-bindings: display: move ANX7814 and SiI8620 bridge bindings of/unittest: Swap arguments of of_unittest_apply_overlay() Documentation: usb: fix wrong documentation paths serial: fsl-imx-uart.txt: Remove generic property devicetree: Add Fujitsu Ltd. vendor prefix Documentation: display: fix wrong documentation paths of: remove redundant memset in overlay bus:qcom : Fix typo in qcom,ebi2.txt dt-bindings: qman: Remove pool channel node Documentation: panel-dpi: fix path to display-timing.txt devicetree: bindings: clk: mvebu: fix description for sata1 on Armada XP ...
2017-02-22Merge tag 'docs-4.11' of git://git.lwn.net/linuxLinus Torvalds
Pull documentation updates from Jonathan Corbet: "A slightly quieter cycle for documentation this time around. Three more DocBook template files have been converted to RST; only 21 to go. There are various build improvements and the usual array of documentation improvements and fixes" * tag 'docs-4.11' of git://git.lwn.net/linux: (44 commits) docs / driver-api: Fix structure references in device_link.rst PM / docs: Fix structure references in device.rst Add a target to check broken external links in the Documentation Documentation: Fix linux-api list typo Documentation: DocBook/Makefile comment typo Improve sparse documentation Documentation: make Makefile.sphinx no-ops quieter Documentation: DMA-ISA-LPC.txt Documentation: input: fix path to input code definitions docs: Remove the copyright year from conf.py docs: Fix a warning in the Korean HOWTO.rst translation PM / sleep / docs: Convert PM notifiers document to reST PM / core / docs: Convert sleep states API document to reST PM / core: Update kerneldoc comments in pm.h doc-rst: Fix recursive make invocation from macros doc-rst: Delete output of failed dot-SVG conversion doc-rst: Break shell command sequences on failure Documentation/sphinx: make targets independent of Sphinx work for HAVE_SPHINX=0 doc-rst: fixed cleandoc target when used with O=dir Documentation/sphinx: prevent generation of .pyc files in the source tree ...
2017-02-22scripts/tags.sh: include arch/Kconfig* for tags generationHou Tao
Kconfig files under arch/ directory are ignored by all_kconfigs(), so include them for tags generation. Link: http://lkml.kernel.org/r/1486206053-38223-1-git-send-email-houtao1@huawei.com Signed-off-by: Hou Tao <houtao1@huawei.com> Cc: Michal Marek <mmarek@suse.com> Cc: Joe Perches <joe@perches.com> Cc: Mathieu Maret <mathieu.maret@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2017-02-22scripts/checkincludes.pl: add exit message for no duplicates foundCheah Kok Cheong
If no duplicates found, inform user. Link: http://lkml.kernel.org/r/1486391275-2843-1-git-send-email-thrust73@gmail.com Signed-off-by: Cheah Kok Cheong <thrust73@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2017-02-22scripts/checkstack.pl: add support for nios2Tobias Klauser
Adjust checkstack.pl for the nios2 architecture. Link: http://lkml.kernel.org/r/20170116113052.15034-1-tklauser@distanz.ch Signed-off-by: Tobias Klauser <tklauser@distanz.ch> Cc: Ley Foon Tan <lftan@altera.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2017-02-22scripts/Lindent: clean up and optimizeJean Delvare
* Add a few blank lines to improve readability. * Don't call cut 3 times when once is enough. * Drop a useless semicolon. Link: http://lkml.kernel.org/r/20170104140356.162abab2@endymion Signed-off-by: Jean Delvare <jdelvare@suse.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2017-02-22scripts/spelling.txt: fix incorrect typo-wordsRoss Zwisler
Fix up some incorrect typo-words. [akpm@linux-foundation.org: "licencing" is valid British spelling and should be kept, per Joe] Link: http://lkml.kernel.org/r/1486409689-23335-1-git-send-email-ross.zwisler@linux.intel.com Signed-off-by: Ross Zwisler <ross.zwisler@linux.intel.com> Cc: Joe Perches <joe@perches.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2017-02-22scripts/spelling.txt: add several more common spelling mistakesColin Ian King
Lately I've been cleaning up spelling mistakes in kernel error messages and here are some of the more common spelling mistakes that I've found which probably should be added to this list so we don't keep on seeing them appearing again. Link: http://lkml.kernel.org/r/20161209173326.17662-1-colin.king@canonical.com Signed-off-by: Colin Ian King <colin.king@canonical.com> Acked-by: Kees Cook <keescook@chromium.org> Cc: Joe Perches <joe@perches.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2017-02-22Merge tag 'char-misc-4.11-rc1' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc Pull char/misc driver updates from Greg KH: "Here is the big char/misc driver patchset for 4.11-rc1. Lots of different driver subsystems updated here: rework for the hyperv subsystem to handle new platforms better, mei and w1 and extcon driver updates, as well as a number of other "minor" driver updates. All of these have been in linux-next for a while with no reported issues" * tag 'char-misc-4.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (169 commits) goldfish: Sanitize the broken interrupt handler x86/platform/goldfish: Prevent unconditional loading vmbus: replace modulus operation with subtraction vmbus: constify parameters where possible vmbus: expose hv_begin/end_read vmbus: remove conditional locking of vmbus_write vmbus: add direct isr callback mode vmbus: change to per channel tasklet vmbus: put related per-cpu variable together vmbus: callback is in softirq not workqueue binder: Add support for file-descriptor arrays binder: Add support for scatter-gather binder: Add extra size to allocator binder: Refactor binder_transact() binder: Support multiple /dev instances binder: Deal with contexts in debugfs binder: Support multiple context managers binder: Split flat_binder_object auxdisplay: ht16k33: remove private workqueue auxdisplay: ht16k33: rework input device initialization ...
2017-02-22Merge tag 'powerpc-4.11-1' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux Pull powerpc updates from Michael Ellerman: "Highlights include: - Support for direct mapped LPC on POWER9, giving Linux direct access to devices that may be on there such as a UART. - Memory hotplug support for the Power9 Radix MMU. - Add new AUX vectors describing the processor's cache geometry, to be used by glibc. - The ability for a guest to ask the hypervisor to resize the guest's hash table, and in addition support for doing so automatically when memory is hotplugged into/out-of the guest. This allows the hash table to be sized based on the current memory usage of the guest, rather than the maximum possible memory usage. - Implementation of optprobes (kprobe optimisation) for powerpc. In addition there's the topic branch shared with the KVM tree, which includes support for guests to use the Radix MMU on Power9. Thanks to: Alistair Popple, Andrew Donnellan, Aneesh Kumar K.V, Anju T, Anton Blanchard, Benjamin Herrenschmidt, Chris Packham, Daniel Axtens, Daniel Borkmann, David Gibson, Finn Thain, Gautham R. Shenoy, Gavin Shan, Greg Kurz, Joel Stanley, John Allen, Madhavan Srinivasan, Mahesh Salgaonkar, Markus Elfring, Michael Neuling, Nathan Fontenot, Naveen N. Rao, Nicholas Piggin, Paul Mackerras, Ravi Bangoria, Reza Arbab, Shailendra Singh, Vaibhav Jain, Wei Yongjun" * tag 'powerpc-4.11-1' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux: (129 commits) powerpc/mm/radix: Skip ptesync in pte update helpers powerpc/mm/radix: Use ptep_get_and_clear_full when clearing pte for full mm powerpc/mm/radix: Update pte update sequence for pte clear case powerpc/mm: Update PROTFAULT handling in the page fault path powerpc/xmon: Fix data-breakpoint powerpc/mm: Fix build break with BOOK3S_64=n and MEMORY_HOTPLUG=y powerpc/mm: Fix build break when CMA=n && SPAPR_TCE_IOMMU=y powerpc/mm: Fix build break with RADIX=y & HUGETLBFS=n powerpc/pseries: Fix typo in parameter description powerpc/kprobes: Remove kprobe_exceptions_notify() kprobes: Introduce weak variant of kprobe_exceptions_notify() powerpc/ftrace: Fix confusing help text for DISABLE_MPROFILE_KERNEL powerpc/powernv: Fix opal_exit tracepoint opcode powerpc: Add a prototype for mcount() so it can be versioned powerpc: Drop GPL from of_node_to_nid() export to match other arches powerpc/kprobes: Optimize kprobe in kretprobe_trampoline() powerpc/kprobes: Implement Optprobes powerpc/kprobes: Fixes for kprobe_lookup_name() on BE powerpc: Add helper to check if offset is within relative branch range powerpc/bpf: Introduce __PPC_SH64() ...
2017-02-22Merge tag 'gcc-plugins-v4.11-rc1' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux Pull gcc-plugins updates from Kees Cook: "This includes infrastructure updates and the structleak plugin, which performs forced initialization of certain structures to avoid possible information exposures to userspace. Summary: - infrastructure updates (gcc-common.h) - introduce structleak plugin for forced initialization of some structures" * tag 'gcc-plugins-v4.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux: gcc-plugins: Add structleak for more stack initialization gcc-plugins: consolidate on PASS_INFO macro gcc-plugins: add PASS_INFO and build_const_char_string()
2017-02-21Merge branch 'for-next/gcc-plugin/structleak' into for-linus/gcc-pluginsKees Cook
2017-02-21Merge tag 'mips_4.11' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/jhogan/mips Pull MIPS updates from James Hogan: "Here's the main MIPS pull request for 4.11. It contains a few new features such as IRQ stacks, cacheinfo support, and KASLR for Octeon CPUs, and a variety of smaller improvements and fixes including devicetree additions, kexec cleanups, microMIPS stack unwinding fixes, and a bunch of build fixes to clean up continuous integration builds. Its all been in linux-next for at least a couple of days, most of it far longer. Miscellaneous: - Add IRQ stacks - Add cacheinfo support - Add "uzImage.bin" zboot target - Unify performance counter definitions - Export various (mainly assembly) symbols alongside their definitions - Audit and remove unnecessary uses of module.h kexec & kdump: - Lots of improvements and fixes - Add correct copy_regs implementations - Add debug logging of new kernel information Security: - Use Makefile.postlink to insert relocations into vmlinux - Provide plat_post_relocation hook (used for Octeon KASLR) - Add support for tuning mmap randomisation - Relocate DTB microMIPS: - A load of unwind fixes - Add some missing .insn to fix link errors MIPSr6: - Fix MULTU/MADDU/MSUBU sign extension in r2 emulation - Remove r2_emul_return and use ERETNC unconditionally on MIPSr6 - Allow pre-r6 emulation on SMP MIPSr6 kernels Cache management: - Treat physically indexed dcache as non-aliasing - Add return errors to protected cache ops for KVM - CM3: Ensure L1 & L2 cache ECC checking matches - CM3: Indicate inclusive caches - I6400: Treat dcache as physically indexed Memory management: - Ensure bootmem doesn't corrupt reserved memory - Export some TLB exception generation functions for KVM OF: - NULL check initial_boot_params before use in of_scan_flat_dt() - Fix unaligned access in of_alias_scan() SMP: - CPS: Don't BUG if a CPU fails to start Other fixes: - Fix longstanding 64-bit IP checksum carry bug - Fix KERN_CONT fallout in cpu-bugs64.c and sync-r4k.c - Update defconfigs for NF_CT_PROTO_DCCP, DPLITE, CPU_FREQ_STAT,SCSI_DH changes - Disable certain builtin compiler options, stack-check (whole kernel), asynchronous-unwind-tables (VDSO). - A bunch of build fixes from kernelci.org testing - Various other minor cleanups & corrections BMIPS: - Migrate interrupts during bmips_cpu_disable - BCM47xx: Add Luxul devices - BCM47xx: Fix Asus WL-500W button inversion - BCM7xxx: Add SPI device nodes Generic (multiplatform): - Add kexec DTB passing - Fix big endian - Add cpp_its_S in ksym_dep_filter to silence build warning IP22: - Reformat inline assembler code to modern standards - Fix binutils 2.25 build error IP27: - Fix duplicate CAC_BASE definition build error - Disable qlge driver to workaround broken compiler Lantiq: - Refresh defconfig and activate more drivers - Lock DMA register access - Fix cascading IRQ setup - Fix build of VPE loader - xway: Fix ethernet packet header corruption over reboot Loongson1 - Add watchdog support - 1B: Reduce DEFAULT_MEMSIZE to 64MB - 1B: Change OSC clock name to match rest of kernel - 1C: Remove ARCH_WANT_OPTIONAL_GPIOLIB Octeon: - Add KASLR support - Support Octeon III USB controller - Fix large copy_from_user corner case - Enable devtmpfs in defconfig Netlogic: - Fix non-default XLR build error due to netlogic,xlp-pic code - Fix assembler warning from smpboot.S pic32mzda: - Fix linker error when early printk is disabled Pistachio: - Add base device tree - Add Ci40 "Marduk" device tree Ralink: - Support raw appended DTB - Add missing I2C & I2S clocks - Add missing pinmux and fix pinmux function name typo - Add missing clk_round_rate() - Clean up prom_init() - MT7621: Set SoC type - MT7621: Support highmem TXx9: - Modernize printing of kernel messages and resolve KERN_CONT fallout - 7segled: use permission-specific DEVICE_ATTR variants XilFPGA: - Add IRQ controller and UART IRQ - Add AXI I2C and emaclite to DT & defconfig" * tag 'mips_4.11' of git://git.kernel.org/pub/scm/linux/kernel/git/jhogan/mips: (148 commits) MIPS: VDSO: Explicitly use -fno-asynchronous-unwind-tables MIPS: BCM47XX: Fix button inversion for Asus WL-500W MIPS: DTS: Add img directory to Makefile MIPS: ip27: Disable qlge driver in defconfig MIPS: pic32mzda: Fix linker error for pic32_get_pbclk() MIPS: Lantiq: Keep ethernet enabled during boot MIPS: OCTEON: Fix copy_from_user fault handling for large buffers MIPS: Fix special case in 64 bit IP checksumming. MIPS: OCTEON: Enable DEVTMPFS MIPS: lantiq: Set physical_memsize MIPS: sysmips: Remove duplicated include from syscall.c Kbuild: Add cpp_its_S in ksym_dep_filter MIPS: Audit and remove any unnecessary uses of module.h MIPS: Unify perf counter register definitions MIPS: Disable stack checks on MIPS kernels MIPS: OCTEON: Platform support for OCTEON III USB controller MIPS: Lantiq: Fix cascaded IRQ setup MIPS: sync-r4k: Fix KERN_CONT fallout MIPS: IRQ Stack: Fix erroneous jal to plat_irq_dispatch MIPS: Fix distclean with Makefile.postlink ...
2017-02-21Merge branch 'next' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security Pull security layer updates from James Morris: "Highlights: - major AppArmor update: policy namespaces & lots of fixes - add /sys/kernel/security/lsm node for easy detection of loaded LSMs - SELinux cgroupfs labeling support - SELinux context mounts on tmpfs, ramfs, devpts within user namespaces - improved TPM 2.0 support" * 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security: (117 commits) tpm: declare tpm2_get_pcr_allocation() as static tpm: Fix expected number of response bytes of TPM1.2 PCR Extend tpm xen: drop unneeded chip variable tpm: fix misspelled "facilitate" in module parameter description tpm_tis: fix the error handling of init_tis() KEYS: Use memzero_explicit() for secret data KEYS: Fix an error code in request_master_key() sign-file: fix build error in sign-file.c with libressl selinux: allow changing labels for cgroupfs selinux: fix off-by-one in setprocattr tpm: silence an array overflow warning tpm: fix the type of owned field in cap_t tpm: add securityfs support for TPM 2.0 firmware event log tpm: enhance read_log_of() to support Physical TPM event log tpm: enhance TPM 2.0 PCR extend to support multiple banks tpm: implement TPM 2.0 capability to get active PCR banks tpm: fix RC value check in tpm2_seal_trusted tpm_tis: fix iTPM probe via probe_itpm() function tpm: Begin the process to deprecate user_read_timer tpm: remove tpm_read_index and tpm_write_index from tpm.h ...
2017-02-20Merge branch 'pm-tools'Rafael J. Wysocki
* pm-tools: tools/power/x86: Debug utility for intel_pstate driver AnalyzeSuspend: fix drag and zoom bug in javascript scripts: analyze_suspend.py: Update to upstream v4.5 scripts: analyze_suspend.py: Update to upstream v4.4 scripts: analyze_suspend.py: Update to upstream v4.3
2017-02-16AnalyzeSuspend: fix drag and zoom bug in javascriptTodd E Brandt
Signed-off-by: Todd Brandt <todd.e.brandt@linux.intel.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2017-02-14Kbuild: Add cpp_its_S in ksym_dep_filterMarcin Nowakowski
Add a new command cpp_its_S introduced in commit cf2a5e0bb4c6 ("MIPS: Support generating Flattened Image Trees (.itb)") to ksym_dep_filter handler - otherwise a warning is produced during the build of MIPS platforms (when vmlinux.*.itb target is chosen). Signed-off-by: Marcin Nowakowski <marcin.nowakowski@imgtec.com> Cc: Michal Marek <mmarek@suse.com> Cc: linux-mips@linux-mips.org Cc: linux-kernel@vger.kernel.org Patchwork: https://patchwork.linux-mips.org/patch/15278/ Signed-off-by: James Hogan <james.hogan@imgtec.com>
2017-02-10sign-file: fix build error in sign-file.c with libresslFelix Fietkau
The sign-file tool failed to build against libressl. Fix this by extending the PKCS7 check and thus making sign-file link against libressl without an error. Signed-off-by: John Crispin <john@phrozen.org> Signed-off-by: Felix Fietkau <nbd@nbd.name> Signed-off-by: David Howells <dhowells@redhat.com> Signed-off-by: James Morris <james.l.morris@oracle.com>
2017-02-06Merge 4.10-rc7 into char-misc-nextGreg Kroah-Hartman
We want the hv and other fixes in here as well to handle merge and testing issues. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-02-03kbuild: modversions: add infrastructure for emitting relative CRCsArd Biesheuvel
This add the kbuild infrastructure that will allow architectures to emit vmlinux symbol CRCs as 32-bit offsets to another location in the kernel where the actual value is stored. This works around problems with CRCs being mistaken for relocatable symbols on kernels that self relocate at runtime (i.e., powerpc with CONFIG_RELOCATABLE=y) For the kbuild side of things, this comes down to the following: - introducing a Kconfig symbol MODULE_REL_CRCS - adding a -R switch to genksyms to instruct it to emit the CRC symbols as references into the .rodata section - making modpost distinguish such references from absolute CRC symbols by the section index (SHN_ABS) - making kallsyms disregard non-absolute symbols with a __crc_ prefix Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2017-02-03powerpc: Enable support for GCC pluginsAndrew Donnellan
Enable support for GCC plugins on powerpc. Add an additional version check in gcc-plugins-check to advise users to upgrade to gcc 5.2+ on powerpc to avoid issues with header files (gcc <= 4.6) or missing copies of rs6000-cpus.def (4.8 to 5.1 on 64-bit targets). Signed-off-by: Andrew Donnellan <andrew.donnellan@au1.ibm.com> Acked-by: Kees Cook <keescook@chromium.org> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
2017-02-03gcc-plugins: Fix definition of DISABLE_LATENT_ENTROPY_PLUGINAndrew Donnellan
The variable DISABLE_LATENT_ENTROPY_PLUGIN is defined when CONFIG_PAX_LATENT_ENTROPY is set. This is leftover from the original PaX version of the plugin code and doesn't actually exist. Change the condition to depend on CONFIG_GCC_PLUGIN_LATENT_ENTROPY instead. Fixes: 38addce8b600 ("gcc-plugins: Add latent_entropy plugin") Signed-off-by: Andrew Donnellan <andrew.donnellan@au1.ibm.com> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
2017-02-03checkkconfigsymbols.py: support Kconfig's 'imply' statementValentin Rothberg
Support the new imply statement in Kconfig. The imply statement has been added by commit 237e3ad0f195 ("Kconfig: Introduce the "imply" keyword") and is a weak version of a select, but the target symbol can still be turned off. Signed-off-by: Andreas Ziegler <andreas.ziegler@fau.de> Signed-off-by: Valentin Rothberg <valentinrothberg@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-01-27scripts: analyze_suspend.py: Update to upstream v4.5Todd E Brandt
- Kernel errors shown in timeline - Tool log: The tool output log is now available in the html timeline - Selective ftrace filter: can choose phase and test run (for x2) - further instrumentation of dev mode to cover wifi Signed-off-by: Todd Brandt <todd.e.brandt@linux.intel.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2017-01-27scripts: analyze_suspend.py: Update to upstream v4.4Todd E Brandt
- when running with sudo, change output dir back to SUDO_USER ownership - replace all os.system/popen instances with subprocess.call/Popen - graph pm device callbacks and async threads in separate sections - remove kprobe config section and replaced it with timeline_functions - added new kprobe config section for dev mode: dev_timeline_functions - merge call loops in dev mode to create a single event with a count - added hover text to all header entries to explain what they mean - changed the -filter option to grep device driver/name for a string - added new options for tuning the dev mode timeline/custom kprobes Signed-off-by: Todd Brandt <todd.e.brandt@linux.intel.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2017-01-27scripts: analyze_suspend.py: Update to upstream v4.3Todd E Brandt
- config file support added - dev mode for monitoring kernel source calls and async kernel threads - custom command support for executing a user cmd instead of suspend - proc mode support for monitoring user processes with cpu exec data - kprobe support for custom function tracing - advanced callgraph support for function debug - many bug fixes and formatting upgrades Signed-off-by: Todd Brandt <todd.e.brandt@linux.intel.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2017-01-26kernel-doc: Handle returning pointers to pointersMatthew Wilcox
Clearly nobody ever tried to build the documentation for the radix tree before: include/linux/radix-tree.h:400: warning: cannot understand function prototype: 'void ** radix_tree_iter_init(struct radix_tree_iter *iter, unsigned long start) ' Indeed, the regexes only handled a single '*', not one-or-more. I have tried to fix that, but now I have perl regexes all over my hands, and I fear I shall never be clean again. Signed-off-by: Matthew Wilcox <mawilcox@microsoft.com> Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2017-01-19checkkconfigsymbols.py: don't sort similar symbolsValentin Rothberg
Don't sort the list of string-similar Kconfig symbols alphabetically to preserve the correct order of string similarity. Signed-off-by: Valentin Rothberg <valentinrothberg@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-01-18gcc-plugins: Add structleak for more stack initializationKees Cook
This plugin detects any structures that contain __user attributes and makes sure it is being fully initialized so that a specific class of information exposure is eliminated. (This plugin was originally designed to block the exposure of siginfo in CVE-2013-2141.) Ported from grsecurity/PaX. This version adds a verbose option to the plugin and the Kconfig. Signed-off-by: Kees Cook <keescook@chromium.org>
2017-01-13gcc-plugins: consolidate on PASS_INFO macroKees Cook
Now that PASS_INFO() exists, use it in the other existing gcc plugins, instead of always open coding the same thing. Based on updates to the grsecurity/PaX gcc plugins. Signed-off-by: Kees Cook <keescook@chromium.org>
2017-01-13kernel-doc: properly document array arguments of functionGabriel Krisman Bertazi
Documentation for array parameters passed in a function, like the first argument in the function below, weren't getting exported in the rst format, although they work fine for html and pdf formats: void drm_clflush_pages(struct page * pages[], unsigned long num_pages) That's because the string key to store the description in the parameterdescs dictionary doesn't have the [] suffix. This cleans up the suffix from the key before accessing the dictionary. Signed-off-by: Gabriel Krisman Bertazi <krisman@collabora.co.uk> Fixes: c0d1b6ee780a ("kernel-doc: produce RestructuredText output") Reviewed-by: Jani Nikula <jani.nikula@intel.com> Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2017-01-10gcc-plugins: add PASS_INFO and build_const_char_string()Kees Cook
This updates the GCC plugins gcc-common.h from PaX Team to include more helpers and header files, specifically adds the PASS_INFO() macro to make plugin declarations nicer and a helper for proper const string building. Signed-off-by: Kees Cook <keescook@chromium.org>
2017-01-04kernel-doc: make highlights more homogenous for the various backendsPaolo Bonzini
$type_struct_full and friends are only used by the restructuredText backend, because it needs to separate enum/struct/typedef/union from the name of the type. However, $type_struct is *also* used by the rST backend. This is confusing. This patch replaces $type_struct's use in the rST backend with a new $type_fallback; it modifies $type_struct so that it can be used in the rST backend; and creates regular expressions like $type_struct for enum/typedef/union, for use in all backends. Note that, compared to $type_*_full, in the new regexes $1 includes both the "kind" and the name (before, $1 was pretty much a constant). Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Acked-by: Jani Nikula <jani.nikula@intel.com> Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2017-01-04kernel-doc: make member highlighting available in all backendsPaolo Bonzini
Note that, in order to produce the correct Docbook markup, the "." or "->" must be separated from the member name in the regex's captured fields. For consistency, this change is applied to $type_member and $type_member_func too, not just to $type_member_xml. List mode only prints the struct name, to avoid any undesired change in the operation of docproc. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Acked-by: Jani Nikula <jani.nikula@intel.com> Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2017-01-04kernel-doc: include parameter type in docbook outputPaolo Bonzini
The restructuredText output includes both the parameter type and the name for functions and function-typed members. Do the same for docbook. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Acked-by: Jani Nikula <jani.nikula@intel.com> Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2017-01-04kernel-doc: strip attributes even if they have an argumentPaolo Bonzini
An inline function can have an attribute, as in include/linux/log2.h, and kernel-doc handles this already for simple cases. However, some attributes have arguments (e.g. the "target" attribute). Handle those too. Furthermore, attributes could be at the beginning of a function declaration, before the return type. To correctly handle this case, you need to strip spaces after the attributes; otherwise, dump_function is left confused. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Acked-by: Jani Nikula <jani.nikula@intel.com> Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2017-01-04kernel-doc: cleanup parameter type in function-typed argumentsPaolo Bonzini
A prototype like /** * foo - sample definition * @bar: a parameter */ int foo(int (*bar)(int x, int y)); is currently producing .. c:function:: int foo (int (*bar) (int x, int y) sample definition **Parameters** ``int (*)(int x, int y) bar`` a parameter Collapse the spaces so that the output is nicer. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Acked-by: Jani Nikula <jani.nikula@intel.com> Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2017-01-04scripts/dtc: Update to upstream version 0931cea3ba20Rob Herring
Sync to upstream dtc commit 0931cea3ba20 ("dtc: fdtdump: check fdt if not in scanning mode"). In particular, this pulls in dtc overlay support. This adds the following commits from upstream: f88865469b65 dtc: Fix memory leak in character literal parsing 00fbb8696b66 Rename boot_info 1ef86ad2c24f dtc: Clean up /dts-v1/ and /plugin/ handling in grammar e3c769aa9c16 dtc: Don't always generate __symbols__ for plugins c96cb3c0169e tests: Don't use -@ on plugin de/recompile tests 66381538ce24 tests: Remove "suppression of fixups" tests ba765b273f0f tests: Clarify dtc overlay tests 6ea8cd944fcd tests: More thorough tests of libfdt overlay application without dtc 7d8ef6e1db97 tests: Correct fdt handling of overlays without fixups and base trees without symbols b4dc0ed8b127 tests: Fix double expansion bugs in test code 3ea879dc0c8f tests: Split overlay tests into those with do/don't exercise dtc plugin generation 47b4d66a2f11 tests: Test auto-alias generation on base tree, not overlay 72e1ad811523 tests: Make overlay/plugin tests unconditional e7b3c3b5951b tests: Add overlay tests 9637e3f772a9 tests: Add check_path test 20f29d8d41f6 dtc: Plugin and fixup support a2c92cac53f8 dtc: Document the dynamic plugin internals 8f70ac39801d checks: Pass boot_info instead of root node ea10f953878f libfdt: add missing errors to fdt_strerror() daa75e8fa594 libfdt: fix fdt_stringlist_search() e28eff5b787a libfdt: fix fdt_stringlist_count() ae97c7722840 tests: overlay: Rename the device tree blobs to be more explicit 96162d2bd9cb tests: overlay: Add test suffix to the compiled blobs 5ce8634733b7 libfdt: Add fdt_overlay_apply to the exported symbols 804a9db90ad2 fdt: strerr: Remove spurious BADOVERLAY e8c3a1a493fa tests: overlay: Move back the bad fixup tests 7a72d89d3f81 libfdt: overlay: Fix symbols and fixups nodes condition cabbaa972cdd libfdt: overlay: Report a bad overlay for mismatching local fixups deb0a5c1aeaa libfdt: Add BADPHANDLE error string 7b7a6be9ba15 libfdt: Don't use 'index' as a local variable name aea8860d831e tests: Add tests cases for the overlay code 0cdd06c5135b libfdt: Add overlay application function 39240cc865cf libfdt: Extend the reach of FDT_ERR_BADPHANDLE 4aa3a6f5e6d9 libfdt: Add new errors for the overlay code 6d1832c9e64b dtc: Remove "home page" link 45fd440a9561 Fix some typing errors in libfdt.h and livetree.c a59be4939c13 Merge tag 'v1.4.2' a34bb721caca dtc: Fix assorted problems in the testcases for the -a option 874f40588d3e Implement the -a option to pad dtb aligned ec02b34c05be dtc: Makefile improvements for release uploading 1ed45d40a137 dtc: Bump version to 1.4.2 36fd7331fb11 libfdt: simplify fdt_del_mem_rsv() d877364e4a0f libfdt: Add fdt_setprop_inplace_namelen_partial 3e9037aaad44 libfdt: Add fdt_getprop_namelen_w 84e0e1346c68 libfdt: Add max phandle retrieval function d29126c90acb libfdt: Add iterator over properties 902d0f0953d0 libfdt: Add a subnodes iterator macro c539075ba8ba fdtput.c: Fix memory leak. f79ddb83e185 fdtget.c: Fix memory leak 1074ee54b63f convert-dtsv0-lexer.l: fix memory leak e24d39a024e6 fdtdump.c: make sure size_t argument to memchr is always unsigned. 44a59713cf05 Remove unused srcpos_dump() function cb9241ae3453 DTC: Fix memory leak on flatname. 1ee0ae24ea09 Simplify check field and macro names 9d97527a8621 Remove property check functions 2e709d158e11 Remove tree check functions c4cb12e193e3 Alter grammar to allow multiple /dts-v1/ tags d71d25d76012 Use xasprintf() in srcpos 9dc404958e9c util: Add xasprintf portable asprintf variant beef80b8b55f Correct a missing space in a fdt_header cast 68d43cec1253 Correct line lengths in libfdt.h b0dbceafd49a Correct space-after-tab in libfdt.h Signed-off-by: Rob Herring <robh@kernel.org>
2017-01-03gcc-plugins: update gcc-common.h for gcc-7Kees Cook
This updates gcc-common.h from Emese Revfy for gcc 7. This fixes issues seen by Kugan and Arnd. Build tested with gcc 5.4 and 7 snapshot. Cc: stable@vger.kernel.org Signed-off-by: Kees Cook <keescook@chromium.org>
2017-01-03latent_entropy: fix ARM build error on earlier gccKees Cook
This fixes build errors seen on gcc-4.9.3 or gcc-5.3.1 for an ARM: arm-soc/init/initramfs.c: In function 'error': arm-soc/init/initramfs.c:50:1: error: unrecognizable insn: } ^ (insn 26 25 27 5 (set (reg:SI 111 [ local_entropy.243 ]) (rotatert:SI (reg:SI 116 [ local_entropy.243 ]) (const_int -30 [0xffffffffffffffe2]))) -1 (nil)) Patch from PaX Team <pageexec@freemail.hu> Reported-by: Arnd Bergmann <arnd@arndb.de> Reported-by: Brad Spengler <spender@grsecurity.net> Cc: stable@vger.kernel.org Signed-off-by: Kees Cook <keescook@chromium.org>
2016-12-22Merge branch 'for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security Pull SElinux fix from James Morris: "From Paul: 'A small SELinux patch to fix some clang/llvm compiler warnings and ensure the tools under scripts work well in the face of kernel changes'" * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security: selinux: use the kernel headers when building scripts/selinux
2016-12-21selinux: use the kernel headers when building scripts/selinuxPaul Moore
Commit 3322d0d64f4e ("selinux: keep SELinux in sync with new capability definitions") added a check on the defined capabilities without explicitly including the capability header file which caused problems when building genheaders for users of clang/llvm. Resolve this by using the kernel headers when building genheaders, which is arguably the right thing to do regardless, and explicitly including the kernel's capability.h header file in classmap.h. We also update the mdp build, even though it wasn't causing an error we really should be using the headers from the kernel we are building. Reported-by: Nicolas Iooss <nicolas.iooss@m4x.org> Signed-off-by: Paul Moore <paul@paul-moore.com>
2016-12-17Merge branch 'misc' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild Pull kbuild misc updates from Michal Marek: - one new coccinelle check and improvements to irqf_oneshot.cocci - 'make rpm' POSIX compatibility fix - 'make deb-pkg' arm64 cross-compiling fix. I forgot to send this one during the v4.9 rc-phase, therefor the pull request is based on -rc6 and not -rc1 * 'misc' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild: Coccinelle: misc: Add support for devm variant in all modes Coccinelle: misc: Improve the result given by context mode Coccinelle: misc: Improve the matching of rules kbuild/mkspec: avoid using brace expansion Coccinelle: Add misc/boolconv.cocci builddeb: fix cross-building to arm64 producing host-arch debs
2016-12-17Merge branch 'kconfig' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild Pull kconfig updates from Michal Marek: - 'make xconfig' gui fixes - 'make nconfig' fix for options with long prompts - fix 'make nconfig' warning when pkg-config forces -D_GNU_SOURCE * 'kconfig' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild: xconfig: fix missing suboption and help panels on first run xconfig: fix 'Show Debug' functionality kconfig/nconf: Fix hang when editing symbol with a long prompt Scripts: kconfig: nconf: fix _GNU_SOURCE redefined warning
2016-12-17Merge branch 'kbuild' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild Pull kbuild updates from Michal Marek: - prototypes for x86 asm-exported symbols (Adam Borowski) and a warning about missing CRCs (Nick Piggin) - asm-exports fix for LTO (Nicolas Pitre) - thin archives improvements (Nick Piggin) - linker script fix for CONFIG_LD_DEAD_CODE_DATA_ELIMINATION (Nick Piggin) - genksyms support for __builtin_va_list keyword - misc minor fixes * 'kbuild' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild: x86/kbuild: enable modversions for symbols exported from asm kbuild: fix scripts/adjust_autoksyms.sh* for the no modules case scripts/kallsyms: remove last remnants of --page-offset option make use of make variable CURDIR instead of calling pwd kbuild: cmd_export_list: tighten the sed script kbuild: minor improvement for thin archives build kbuild: modpost warn if export version crc is missing kbuild: keep data tables through dead code elimination kbuild: improve linker compatibility with lib-ksyms.o build genksyms: Regenerate parser kbuild/genksyms: handle va_list type kbuild: thin archives for multi-y targets kbuild: kallsyms allow 3-pass generation if symbols size has changed
2016-12-16Merge tag 'powerpc-4.10-1' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux Pull powerpc updates from Michael Ellerman: "Highlights include: - Support for the kexec_file_load() syscall, which is a prereq for secure and trusted boot. - Prevent kernel execution of userspace on P9 Radix (similar to SMEP/PXN). - Sort the exception tables at build time, to save time at boot, and store them as relative offsets to save space in the kernel image & memory. - Allow building the kernel with thin archives, which should allow us to build an allyesconfig once some other fixes land. - Build fixes to allow us to correctly rebuild when changing the kernel endian from big to little or vice versa. - Plumbing so that we can avoid doing a full mm TLB flush on P9 Radix. - Initial stack protector support (-fstack-protector). - Support for dumping the radix (aka. Linux) and hash page tables via debugfs. - Fix an oops in cxl coredump generation when cxl_get_fd() is used. - Freescale updates from Scott: "Highlights include 8xx hugepage support, qbman fixes/cleanup, device tree updates, and some misc cleanup." - Many and varied fixes and minor enhancements as always. Thanks to: Alexey Kardashevskiy, Andrew Donnellan, Aneesh Kumar K.V, Anshuman Khandual, Anton Blanchard, Balbir Singh, Bartlomiej Zolnierkiewicz, Christophe Jaillet, Christophe Leroy, Denis Kirjanov, Elimar Riesebieter, Frederic Barrat, Gautham R. Shenoy, Geliang Tang, Geoff Levand, Jack Miller, Johan Hovold, Lars-Peter Clausen, Libin, Madhavan Srinivasan, Michael Neuling, Nathan Fontenot, Naveen N. Rao, Nicholas Piggin, Pan Xinhui, Peter Senna Tschudin, Rashmica Gupta, Rui Teng, Russell Currey, Scott Wood, Simon Guo, Suraj Jitindar Singh, Thiago Jung Bauermann, Tobias Klauser, Vaibhav Jain" [ And thanks to Michael, who took time off from a new baby to get this pull request done. - Linus ] * tag 'powerpc-4.10-1' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux: (174 commits) powerpc/fsl/dts: add FMan node for t1042d4rdb powerpc/fsl/dts: add sg_2500_aqr105_phy4 alias on t1024rdb powerpc/fsl/dts: add QMan and BMan nodes on t1024 powerpc/fsl/dts: add QMan and BMan nodes on t1023 soc/fsl/qman: test: use DEFINE_SPINLOCK() powerpc/fsl-lbc: use DEFINE_SPINLOCK() powerpc/8xx: Implement support of hugepages powerpc: get hugetlbpage handling more generic powerpc: port 64 bits pgtable_cache to 32 bits powerpc/boot: Request no dynamic linker for boot wrapper soc/fsl/bman: Use resource_size instead of computation soc/fsl/qe: use builtin_platform_driver powerpc/fsl_pmc: use builtin_platform_driver powerpc/83xx/suspend: use builtin_platform_driver powerpc/ftrace: Fix the comments for ftrace_modify_code powerpc/perf: macros for power9 format encoding powerpc/perf: power9 raw event format encoding powerpc/perf: update attribute_group data structure powerpc/perf: factor out the event format field powerpc/mm/iommu, vfio/spapr: Put pages on VFIO container shutdown ...
2016-12-15Merge tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhostLinus Torvalds
Pull virtio updates from Michael Tsirkin: "virtio, vhost: new device, fixes, speedups This includes the new virtio crypto device, and fixes all over the place. In particular enabling endian-ness checks for sparse builds found some bugs which this fixes. And it appears that everyone is in agreement that disabling endian-ness sparse checks shouldn't be necessary any longer. So this enables them for everyone, and drops the __CHECK_ENDIAN__ and __bitwise__ APIs. IRQ handling in virtio has been refactored somewhat, the larger switch to IRQ_SHARED will have to wait as it proved too aggressive" * tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost: (34 commits) Makefile: drop -D__CHECK_ENDIAN__ from cflags fs/logfs: drop __CHECK_ENDIAN__ Documentation/sparse: drop __CHECK_ENDIAN__ linux: drop __bitwise__ everywhere checkpatch: replace __bitwise__ with __bitwise Documentation/sparse: drop __bitwise__ tools: enable endian checks for all sparse builds linux/types.h: enable endian checks for all sparse builds virtio_mmio: Set dev.release() to avoid warning vhost: remove unused feature bit virtio_ring: fix description of virtqueue_get_buf vhost/scsi: Remove unused but set variable tools/virtio: use {READ,WRITE}_ONCE() in uaccess.h vringh: kill off ACCESS_ONCE() tools/virtio: fix READ_ONCE() crypto: add virtio-crypto driver vhost: cache used event for better performance vsock: lookup and setup guest_cid inside vhost_vsock_lock virtio_pci: split vp_try_to_find_vqs into INTx and MSI-X variants virtio_pci: merge vp_free_vectors into vp_del_vqs ...
2016-12-16checkpatch: replace __bitwise__ with __bitwiseMichael S. Tsirkin
__bitwise__ is an implementation detail now. Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2016-12-15Merge tag 'trace-v4.10' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace Pull tracing updates from Steven Rostedt: "This release has a few updates: - STM can hook into the function tracer - Function filtering now supports more advance glob matching - Ftrace selftests updates and added tests - Softirq tag in traces now show only softirqs - ARM nop added to non traced locations at compile time - New trace_marker_raw file that allows for binary input - Optimizations to the ring buffer - Removal of kmap in trace_marker - Wakeup and irqsoff tracers now adhere to the set_graph_notrace file - Other various fixes and clean ups" * tag 'trace-v4.10' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace: (42 commits) selftests: ftrace: Shift down default message verbosity kprobes/trace: Fix kprobe selftest for newer gcc tracing/kprobes: Add a helper method to return number of probe hits tracing/rb: Init the CPU mask on allocation tracing: Use SOFTIRQ_OFFSET for softirq dectection for more accurate results tracing/fgraph: Have wakeup and irqsoff tracers ignore graph functions too fgraph: Handle a case where a tracer ignores set_graph_notrace tracing: Replace kmap with copy_from_user() in trace_marker writing ftrace/x86_32: Set ftrace_stub to weak to prevent gcc from using short jumps to it tracing: Allow benchmark to be enabled at early_initcall() tracing: Have system enable return error if one of the events fail tracing: Do not start benchmark on boot up tracing: Have the reg function allow to fail ring-buffer: Force rb_end_commit() and rb_set_commit_to_write() inline ring-buffer: Froce rb_update_write_stamp() to be inlined ring-buffer: Force inline of hotpath helper functions tracing: Make __buffer_unlock_commit() always_inline tracing: Make tracepoint_printk a static_key ring-buffer: Always inline rb_event_data() ring-buffer: Make rb_reserve_next_event() always inlined ...