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* Merge tag 'armsoc-fixes' of ↵Linus Torvalds2015-04-22
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc Pull ARM SoC fixes from Olof Johansson: "Here's the usual "low-priority fixes that didn't make it into the last few -rcs, with a twist: We had a fixes pull request that I didn't send in time to get into 4.0, so we'll send some of them to Greg for -stable as well. Contents here is as usual not all that controversial: - a handful of randconfig fixes from Arnd, in particular for older Samsung platforms - Exynos fixes, !SMP building, DTS updates for MMC and lid switch - Kbuild fix to create output subdirectory for DTB files - misc minor fixes for OMAP" * tag 'armsoc-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (23 commits) ARM: at91/dt: sama5d3 xplained: add phy address for macb1 kbuild: Create directory for target DTB ARM: mvebu: Disable CPU Idle on Armada 38x ARM: DRA7: Enable Cortex A15 errata 798181 ARM: dts: am57xx-beagle-x15: Add thermal map to include fan and tmp102 ARM: dts: DRA7: Add bandgap and related thermal nodes bus: ocp2scp: SYNC2 value should be changed to 0x6 ARM: dts: am4372: Add "ti,am437x-ocp2scp" as compatible string for OCP2SCP ARM: OMAP2+: remove superfluous NULL pointer check ARM: EXYNOS: Fix build breakage cpuidle on !SMP ARM: dts: fix lid and power pin-functions for exynos5250-spring ARM: dts: fix mmc node updates for exynos5250-spring ARM: OMAP4: remove dead kconfig option OMAP4_ERRATA_I688 MAINTAINERS: add OMAP defconfigs under OMAP SUPPORT ARM: OMAP1: PM: fix some build warnings on 1510-only Kconfigs ARM: cns3xxx: don't export static symbol ARM: S3C24XX: avoid a Kconfig warning ARM: S3C24XX: fix header file inclusions ARM: S3C24XX: fix building without PM_SLEEP ARM: S3C24XX: use SAMSUNG_WAKEMASK for s3c2416 ...
| * kbuild: Create directory for target DTBNathan Rossi2015-04-03
| | | | | | | | | | | | | | | | | | | | | | When building specific DTBs out of the kernel tree the vendor subdirs (boot/dts/<vendor>) are not created, ensure that they are before building the DTB. Signed-off-by: Nathan Rossi <nathan.rossi@xilinx.com> Signed-off-by: Michal Simek <michal.simek@xilinx.com> Acked-by: Will Deacon <will.deacon@arm.com> Signed-off-by: Olof Johansson <olof@lixom.net>
* | Merge tag 'char-misc-4.1-rc1' of ↵Linus Torvalds2015-04-21
|\ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc Pull char/misc driver updates from Greg KH: "Here's the big char/misc driver patchset for 4.1-rc1. Lots of different driver subsystem updates here, nothing major, full details are in the shortlog. All of this has been in linux-next for a while" * tag 'char-misc-4.1-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (133 commits) mei: trace: remove unused TRACE_SYSTEM_STRING DTS: ARM: OMAP3-N900: Add lis3lv02d support Documentation: DT: lis302: update wakeup binding lis3lv02d: DT: add wakeup unit 2 and wakeup threshold lis3lv02d: DT: use s32 to support negative values Drivers: hv: hv_balloon: correctly handle num_pages>INT_MAX case Drivers: hv: hv_balloon: correctly handle val.freeram<num_pages case mei: replace check for connection instead of transitioning mei: use mei_cl_is_connected consistently mei: fix mei_poll operation hv_vmbus: Add gradually increased delay for retries in vmbus_post_msg() Drivers: hv: hv_balloon: survive ballooning request with num_pages=0 Drivers: hv: hv_balloon: eliminate jumps in piecewiese linear floor function Drivers: hv: hv_balloon: do not online pages in offline blocks hv: remove the per-channel workqueue hv: don't schedule new works in vmbus_onoffer()/vmbus_onoffer_rescind() hv: run non-blocking message handlers in the dispatch tasklet coresight: moving to new "hwtracing" directory coresight-tmc: Adding a status interface to sysfs coresight: remove the unnecessary configuration coresight-default-sink ...
| * | checkkconfigsymbols.py: fix sorted outputValentin Rothberg2015-03-24
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Commit b1a3f243485f ("checkkconfigsymbols.py: make it Git aware") mistakenly removed to print undefined Kconfig symbols in alphabetical order. Furthermore, the script does not print anything anymore when the entire tree is checked (i.e., when no commit is specified). This patch restores the sorted output and adds the missing print for the default case. Additionally, the file lists are now sorted as well which (a) makes it easier to read and (b) makes the output deterministic. Signed-off-by: Valentin Rothberg <valentinrothberg@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| * | checkkconfigsymbols.py: make it Git awareValentin Rothberg2015-03-16
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The script now supports to check a specified commit or a specified range of commits (i.e., commit1..commit2). Developers and maintainers are encouraged to use this functionality before sending or merging patches to avoid potential bugs and to keep the code, documentation, etc. clean. This patch adds the following options to the script: -c COMMIT, --commit=COMMIT Check if the specified commit (hash) introduces undefined Kconfig symbols. -d DIFF, --diff=DIFF Diff undefined symbols between two commits. The input format bases on Git log's 'commmit1..commit2'. --force Reset current Git tree even when it's dirty. Note that the first two options require to 'git reset --hard' the user's Git tree. This hard reset is necessary to keep the script fast, but it can lead to the loss of uncommitted data. Hence, the script aborts in case it is executed in a dirty tree. It won't abort if '--force' is passed. If neither -c nor -d is specified, the script defaults to check the entire local tree (i.e., the previous behavior). Signed-off-by: Valentin Rothberg <valentinrothberg@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| * | checkkconfigsymbols.py: filter reports for tools/Valentin Rothberg2015-03-09
| |/ | | | | | | | | | | | | | | | | | | | | | | | | Recent changes to the build system of tools suggest to filter reports for the entire tools directory. Various C preprocessor identifiers are prefixed with CONFIG_ but are NOT defined in Kconfig but in Makefiles in the tools directory. Such identifiers are false positives for most static analysis tools (i.e., scripts/checkkconfigsymbols.py) since the CONFIG_ prefix and the _MODULE suffix is reserved for Kconfig features in CPP and Make syntax. Signed-off-by: Valentin Rothberg <Valentin.Rothberg@lip6.fr> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* | Merge branch 'misc' of ↵Linus Torvalds2015-04-20
|\ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild Pull misc kbuild updates: "This is the remaining part of kbuild stuff for v4.1-rc1: - One wew coccinelle script and a clarification of the proposed fix in bugon.coccinelle - CONFIG_KERNEL_LZ4 support for extract-ikconfig" * 'misc' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild: scripts/coccinelle/misc/bugon.cocci: update bug_on conversion warning scripts/extract-ikconfig: Support LZ4-compressed images. irqf_oneshot.cocci: add check of devm_request_threaded_irq()
| * | scripts/coccinelle/misc/bugon.cocci: update bug_on conversion warningFabian Frederick2015-04-15
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | if()/BUG conversion to BUG_ON must be avoided when there's side effect in condition. The reason being BUG_ON won't execute the condition when CONFIG_BUG is not defined. Inspired-by: J. Bruce Fields <bfields@fieldses.org> Suggested-by: Julia Lawall <Julia.Lawall@lip6.fr> Acked-by: Julia Lawall <Julia.Lawall@lip6.fr> Signed-off-by: Fabian Frederick <fabf@skynet.be> Signed-off-by: Michal Marek <mmarek@suse.cz>
| * | scripts/extract-ikconfig: Support LZ4-compressed images.Alex Pilon2015-04-15
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Support for kernel image LZ4 compression was added around 3.11, but not the corresponding kernel .config extraction. This makes possible extracting the kernel config for LZ4-compressed kernels you're not running, or the current LZ4-compressed kernel if compiled without /proc/config.gz support. Signed-off-by: Alex Pilon <alp+linux@alexpilon.ca> Signed-off-by: Michal Marek <mmarek@suse.cz>
| * | irqf_oneshot.cocci: add check of devm_request_threaded_irq()Valentin Rothberg2015-03-25
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Since commit 1c6c69525b40eb76de8adf039409722015927dc3 ("genirq: Reject bogus threaded irq requests") threaded IRQs without a primary handler need to be requested with IRQF_ONESHOT, otherwise the request will fail. Until now, this coccinelle script only checked request_threaded_irq(). However, the counterpart devm function (see kernel/irq/devres.c) is also affected by the missing flag which can be detected with this patch. Signed-off-by: Valentin Rothberg <valentinrothberg@gmail.com> Signed-off-by: Peter Senna Tschudin <peter.senna@gmail.com> Acked-by: Julia Lawall <julia.lawall@lip6.fr> Signed-off-by: Michal Marek <mmarek@suse.cz>
* | | Merge branch 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linusLinus Torvalds2015-04-17
|\ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Pull MIPS updates from Ralf Baechle: "This is the main pull request for MIPS for Linux 4.1. Most noteworthy: - Add more Octeon-optimized crypto functions - Octeon crypto preemption and locking fixes - Little endian support for Octeon - Use correct CSR to soft reset Octeons - Support LEDs on the Octeon-based DSR-1000N - Fix PCI interrupt mapping for the Octeon-based DSR-1000N - Mark prom_free_prom_memory() as __init for a number of systems - Support for Imagination's Pistachio SOC. This includes arch and CLK bits. I'd like to merge pinctrl bits later - Improve parallelism of csum_partial for certain pipelines - Organize DTB files in subdirs like other architectures - Implement read_sched_clock for all MIPS platforms other than Octeon - Massive series of 38 fixes and cleanups for the FPU emulator / kernel - Further FPU remulator work to support new features. This sits on a separate branch which also has been pulled into the 4.1 KVM branch - Clean up and fixes for the SEAD3 eval board; remove unused file - Various updates for Netlogic platforms - A number of small updates for Loongson 3 platforms - Increase the memory limit for ATH79 platforms to 256MB - A fair number of fixes and updates for BCM47xx platforms - Finish the implementation of XPA support - MIPS FDC support. No, not floppy controller but Fast Debug Channel :) - Detect the R16000 used in SGI legacy platforms - Fix Kconfig dependencies for the SSB bus support" * 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus: (265 commits) MIPS: Makefile: Fix MIPS ASE detection code MIPS: asm: elf: Set O32 default FPU flags MIPS: BCM47XX: Fix detecting Microsoft MN-700 & Asus WL500G MIPS: Kconfig: Disable SMP/CPS for 64-bit MIPS: Hibernate: flush TLB entries earlier MIPS: smp-cps: cpu_set FPU mask if FPU present MIPS: lose_fpu(): Disable FPU when MSA enabled MIPS: ralink: add missing symbol for RALINK_ILL_ACC MIPS: ralink: Fix bad config symbol in PCI makefile. SSB: fix Kconfig dependencies MIPS: Malta: Detect and fix bad memsize values Revert "MIPS: Avoid pipeline stalls on some MIPS32R2 cores." MIPS: Octeon: Delete override of cpu_has_mips_r2_exec_hazard. MIPS: Fix cpu_has_mips_r2_exec_hazard. MIPS: kernel: entry.S: Set correct ISA level for mips_ihb MIPS: asm: spinlock: Fix addiu instruction for R10000_LLSC_WAR case MIPS: r4kcache: Use correct base register for MIPS R6 cache flushes MIPS: Kconfig: Fix typo for the r2-to-r6 emulator kernel parameter MIPS: unaligned: Fix regular load/store instruction emulation for EVA MIPS: unaligned: Surround load/store macros in do {} while statements ...
| * | | MIPS: Add CDMM bus supportJames Hogan2015-03-31
| | |/ | |/| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Add MIPS Common Device Memory Map (CDMM) support in the form of a bus in the standard Linux device model. Each device attached via CDMM is discoverable via an 8-bit type identifier and may contain a number of blocks of memory mapped registers in the CDMM region. IRQs are expected to be handled separately. Due to the per-cpu (per-VPE for MT cores) nature of the CDMM devices, all the driver callbacks take place from workqueues which are run on the right CPU for the device in question, so that the driver doesn't need to be as concerned about which CPU it is running on. Callbacks also exist for when CPUs are taken offline, so that any per-CPU resources used by the driver can be disabled so they don't get forcefully migrated. CDMM devices are created as children of the CPU device they are attached to. Any existing CDMM configuration by the bootloader will be inherited, however platforms wishing to enable CDMM should implement the weak mips_cdmm_phys_base() function (see asm/cdmm.h) so that the bus driver knows where it should put the CDMM region in the physical address space if the bootloader hasn't already enabled it. A mips_cdmm_early_probe() function is also provided to allow early boot or particularly low level code to set up the CDMM region and probe for a specific device type, for example early console or KGDB IO drivers for the EJTAG Fast Debug Channel (FDC) CDMM device. Signed-off-by: James Hogan <james.hogan@imgtec.com> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: linux-mips@linux-mips.org Cc: linux-kernel@vger.kernel.org Patchwork: https://patchwork.linux-mips.org/patch/9599/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* | | Merge branch 'akpm' (patches from Andrew)Linus Torvalds2015-04-17
|\ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Merge third patchbomb from Andrew Morton: - various misc things - a couple of lib/ optimisations - provide DIV_ROUND_CLOSEST_ULL() - checkpatch updates - rtc tree - befs, nilfs2, hfs, hfsplus, fatfs, adfs, affs, bfs - ptrace fixes - fork() fixes - seccomp cleanups - more mmap_sem hold time reductions from Davidlohr * emailed patches from Andrew Morton <akpm@linux-foundation.org>: (138 commits) proc: show locks in /proc/pid/fdinfo/X docs: add missing and new /proc/PID/status file entries, fix typos drivers/rtc/rtc-at91rm9200.c: make IO endian agnostic Documentation/spi/spidev_test.c: fix warning drivers/rtc/rtc-s5m.c: allow usage on device type different than main MFD type .gitignore: ignore *.tar MAINTAINERS: add Mediatek SoC mailing list tomoyo: reduce mmap_sem hold for mm->exe_file powerpc/oprofile: reduce mmap_sem hold for exe_file oprofile: reduce mmap_sem hold for mm->exe_file mips: ip32: add platform data hooks to use DS1685 driver lib/Kconfig: fix up HAVE_ARCH_BITREVERSE help text x86: switch to using asm-generic for seccomp.h sparc: switch to using asm-generic for seccomp.h powerpc: switch to using asm-generic for seccomp.h parisc: switch to using asm-generic for seccomp.h mips: switch to using asm-generic for seccomp.h microblaze: use asm-generic for seccomp.h arm: use asm-generic for seccomp.h seccomp: allow COMPAT sigreturn overrides ...
| * | | kasan: Makefile: shut up warnings if CONFIG_COMPILE_TEST=yAndrey Ryabinin2015-04-17
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | It might be annoying to constantly see this: scripts/Makefile.kasan:16: Cannot use CONFIG_KASAN: -fsanitize=kernel-address is not supported by compiler while performing allmodconfig/allyesconfig build tests. Disable this warning if CONFIG_COMPILE_TEST=y. Signed-off-by: Andrey Ryabinin <a.ryabinin@samsung.com> Cc: Michal Marek <mmarek@suse.cz> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
| * | | checkpatch: avoid "spaces required around that ':'" false positiveJoe Perches2015-04-17
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Since commit 1f65f947a6a8 ("checkpatch: add checks for question mark and colon spacing") back in 2008, checkpatch has reported false positive for asm volatile uses of "::" checkpatch thinks colons should always have spaces around it. Add an exception for colons with colons on either side for this valid asm volatile (and c++) use. Signed-off-by: Joe Perches <joe@perches.com> Reported-by: Yehuda Yitschak <yehuday@marvell.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
| * | | checkpatch: fix --fix use with a patch of multiple filesJoe Perches2015-04-17
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | If a patch touches multiple files, the --fix and --fix-inplace option doesn't keep the proper line count and makes the new patch file not able to be applied via bad offset line numbers when lines are added or deleted by the --fix option. Dunno how that extra backslash snuck in there. Signed-off-by: Joe Perches <joe@perches.com> Cc: Andy Whitcroft <apw@canonical.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
| * | | checkpatch.pl: new instances of ENOSYS are errorsAndy Lutomirski2015-04-17
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | ENOSYS means that a nonexistent system call was called. We have a bad habit of using it for things like invalid operations on otherwise valid syscalls. We should avoid this in new code. Pervasive incorrect usage of ENOSYS came up at the kernel summit ABI review discussion. Let's see if checkpatch can help. I'll submit a separate patch for include/uapi/asm-generic/errno.h. Signed-off-by: Andy Lutomirski <luto@amacapital.net> Cc: Pavel Machek <pavel@ucw.cz> Cc: Michael Kerrisk <mtk.manpages@gmail.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>
| * | | checkpatch: add a test for const with __read_mostly usesJoe Perches2015-04-17
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | const objects shouldn't be __read_mostly. They are read-only. Marking these objects as __read_mostly causes section conflicts with LTO linking. So add a test to try to avoid this issue. Signed-off-by: Joe Perches <joe@perches.com> Cc: Andy Whitcroft <apw@shadowen.org> Cc: Andi Kleen <andi@firstfloor.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
| * | | checkpatch: improve operator spacing checkSam Bobroff2015-04-17
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Code such as: x = timercmp(&now, &end, <); Will currently trigger a checkpatch error. e.g. ERROR: spaces required around that '<' This is because the "Ignore operators passed as parameters" check looks only for a comma following the operator. Improve the check by also looking for a close parenthesis. Signed-off-by: Sam Bobroff <sam.bobroff@au1.ibm.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>
| * | | checkpatch: add 'Prefer ARRAY_SIZE" testJoe Perches2015-04-17
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Add a test for sizeof(foo)/sizeof(foo[0]) that could be ARRAY_SIZE(foo). 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>
| * | | checkpatch: add uart_ops to normally const structsJoe Perches2015-04-17
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Add another struct to the list of normally const struct types Signed-off-by: Joe Perches <joe@perches.com> Cc: Andy Whitcroft <apw@shadowen.org> Cc: Maxime Coquelin <mcoquelin.stm32@gmail.com> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: Jiri Slaby <jslaby@suse.cz> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
| * | | checkpatch: add #define foo "string" long line exceptionJoe Perches2015-04-17
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | There are #defines with long string constants like: #define foo "some really long string > 80 columns" Add a long line exception for them. Miscellanea: Use the $String variable for slightly better readability Signed-off-by: Joe Perches <joe@perches.com> Reported-by: Madalin-Cristian Bucur <madalin.bucur@freescale.com> Cc: Andy Whitcroft <apw@shadowen.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
| * | | checkpatch, SubmittingPatches: suggest line wrapping commit messages at 75 ↵Joe Perches2015-04-17
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | columns Commit messages lines are sometimes overly long. Suggest line wrapping at 75 columns so the default git commit log indentation of 4 plus the commit message text still fits on an 80 column screen. Add a checkpatch test for long commit messages lines too. Signed-off-by: Joe Perches <joe@perches.com> Cc: David Miller <davem@davemloft.net> Cc: Jonathan Corbet <corbet@lwn.net> Cc: Ian Morris <ipm@chirality.org.uk> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
| * | | checkpatch: don't ask for asm/file.h to linux/file.h unconditionallyFabian Frederick2015-04-17
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Currently checkpatch warns when asm/file.h is included and linux/file.h exists. That conversion can be made when linux/file.h includes asm/file.h which is not always the case.(See signal.h) Signed-off-by: Fabian Frederick <fabf@skynet.be> Cc: Andy Whitcroft <apw@canonical.com> Acked-by: Joe Perches <joe@perches.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
| * | | checkpatch: add test for repeated const usesJoe Perches2015-04-17
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Using 'const <type> const *' is generally meant to be written 'const <type> * const'. Add a test for the miswritten form. 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>
| * | | checkpatch: improve return negative errno checkJoe Perches2015-04-17
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Add a few conditions to the test to find return (ERRNO); Make the output message a bit less cryptic too. 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>
| * | | checkpatch: match more world writable permissionsJoe Perches2015-04-17
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Currently checkpatch will fuss if one uses world writable settings in debugfs files and DEVICE_ATTR uses by testing S_IWUGO but not testing S_IWOTH, S_IRWXUGO or S_IALLUGO. Extend the check to catch all cases exporting world writable permissions including octal values. [akpm@linux-foundation.org: remove stray $] Signed-off-by: Joe Perches <joe@perches.com> Original-patch-by: Nicholas Mc Guire <hofrat@osadl.org> Cc: Guenter Roeck <linux@roeck-us.net> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
| * | | checkpatch: add optional --codespell dictionary to find more typosJoe Perches2015-04-17
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | If a codespell dictionary exists, use it if desired. default is off, maybe it could be turned on later. codespell's dictionary format allows multiple possible corrections, ignore that for now and only use the first suggestion. Also add \b to spelling test so that consecutive misspelled words are found properly. Signed-off-by: Joe Perches <joe@perches.com> Cc: Andy Whitcroft <apw@canonical.com> Cc: Kees Cook <keescook@chromium.org> Cc: Masanari Iida <standby24x7@gmail.com> Cc: Lucas De Marchi <lucas.de.marchi@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
| * | | checkpatch: spell check reudceJani Nikula2015-04-17
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | References: http://mid.gmane.org/1424977312-24902-1-git-send-email-ville.syrjala@linux.intel.com Signed-off-by: Jani Nikula <jani.nikula@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>
| * | | checkpatch: add spell checking of email subject lineJoe Perches2015-04-17
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Only commit log and patch additions are checked for typos and spelling errors currently. Add a check of the email subject line too. Signed-off-by: Joe Perches <joe@perches.com> Suggested-by: Jani Nikula <jani.nikula@linux.intel.com> Tested-by: Jani Nikula <jani.nikula@intel.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
| * | | checkpatch: improve "no space is necessary after a cast" testJoe Perches2015-04-17
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The "no space is necessary after a cast" sizeof exclusion doesn't work properly. The test reports a false positive for code like: BUILD_BUG_ON(sizeof(struct batadv_bla_claim_dst) != 6); Make it work, simplify the exclusions, and add some comments. Signed-off-by: Joe Perches <joe@perches.com> Reported-by: Marek Lindner <mareklindner@neomailbox.ch> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* | | | Merge tag 'stable/for-linus-4.1-rc0-tag' of ↵Linus Torvalds2015-04-16
|\ \ \ \ | |/ / / |/| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip Pull xen features and fixes from David Vrabel: - use a single source list of hypercalls, generating other tables etc. at build time. - add a "Xen PV" APIC driver to support >255 VCPUs in PV guests. - significant performance improve to guest save/restore/migration. - scsiback/front save/restore support. - infrastructure for multi-page xenbus rings. - misc fixes. * tag 'stable/for-linus-4.1-rc0-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip: xen/pci: Try harder to get PXM information for Xen xenbus_client: Extend interface to support multi-page ring xen-pciback: also support disabling of bus-mastering and memory-write-invalidate xen: support suspend/resume in pvscsi frontend xen: scsiback: add LUN of restored domain xen-scsiback: define a pr_fmt macro with xen-pvscsi xen/mce: fix up xen_late_init_mcelog() error handling xen/privcmd: improve performance of MMAPBATCH_V2 xen: unify foreign GFN map/unmap for auto-xlated physmap guests x86/xen/apic: WARN with details. x86/xen: Provide a "Xen PV" APIC driver to support >255 VCPUs xen/pciback: Don't print scary messages when unsupported by hypervisor. xen: use generated hypercall symbols in arch/x86/xen/xen-head.S xen: use generated hypervisor symbols in arch/x86/xen/trace.c xen: synchronize include/xen/interface/xen.h with xen xen: build infrastructure for generating hypercall depending symbols xen: balloon: Use static attribute groups for sysfs entries xen: pcpu: Use static attribute groups for sysfs entry
| * | | xen: build infrastructure for generating hypercall depending symbolsJuergen Gross2015-03-16
| |/ / | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Today there are several places in the kernel which build tables containing one entry for each possible Xen hypercall. Create an infrastructure to be able to generate these tables at build time. Based-on-patch-by: Jan Beulich <jbeulich@suse.com> Signed-off-by: Juergen Gross <jgross@suse.com> Reviewed-by: David Vrabel <david.vrabel@citrix.com> Acked-by: Ingo Molnar <mingo@kernel.org> Signed-off-by: David Vrabel <david.vrabel@citrix.com>
* | | Merge branch 'kconfig' of ↵Linus Torvalds2015-04-15
|\ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild Pull kconfig updates from Michal Marek: "Here is the kconfig stuff for v4.1-rc1: - fixes for mergeconfig (used by make kvmconfig/tinyconfig) - header cleanup - make -s *config is silent now" * 'kconfig' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild: kconfig: Do not print status messages in make -s mode kconfig: Simplify Makefile kbuild: add generic mergeconfig target, %.config merge_config.sh: rename MAKE to RUNMAKE merge_config.sh: improve indentation kbuild: mergeconfig: remove redundant $(objtree) kbuild: mergeconfig: move an error check to merge_config.sh kbuild: mergeconfig: fix "jobserver unavailable" warning kconfig: Remove unnecessary prototypes from headers kconfig: Remove dead code kconfig: Get rid of the P() macro in headers kconfig: fix a misspelling in scripts/kconfig/merge_config.sh
| * | | kconfig: Do not print status messages in make -s modeMichal Marek2015-04-09
| | | | | | | | | | | | | | | | | | | | | | | | | | | | Add an -s option to the various frontends and pass it when make -s is used. Also, use $(kecho) instead of @echo in the Makefile. Signed-off-by: Michal Marek <mmarek@suse.cz>
| * | | kconfig: Simplify MakefileMichal Marek2015-04-08
| | | | | | | | | | | | | | | | | | | | | | | | Use a single rule for targets handled directly by the conf program. Signed-off-by: Michal Marek <mmarek@suse.cz>
| * | | kbuild: add generic mergeconfig target, %.configMasahiro Yamada2015-03-24
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | "scripts/kconfig/merge_config.sh && make oldconfig" works well enough for merging local config fragments, but Kbuild currently has the entry points only for "kvmconfig" and "tinyconfig". This commit provides the generic target for mergeconfig, so we can manage our own config fragments easily: put "foo.config" in arch/$(SRCARCH)/configs/ or kernel/configs/, and then run "make foo.config". Now "make kvmconfig" is just a shorthand of "make kvm_guest.config". Likewise, "make tinyconfig" is equivalent to "make allnoconfig tiny.config". Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com> Reviewed-by: Josh Triplett <josh@joshtriplett.org> Reviewed-by: Darren Hart <dvhart@linux.intel.com> Signed-off-by: Michal Marek <mmarek@suse.cz>
| * | | merge_config.sh: rename MAKE to RUNMAKEMasahiro Yamada2015-03-24
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The variable "MAKE" is used to store the command name that has invoked the Makefile. (Actually, it is already set to "make" if you run this script from a Makefile.) In this script, however, it is used to determine if Make should be run or not. It is not what we usually expect. Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com> Reviewed-by: Josh Triplett <josh@joshtriplett.org> Reviewed-by: Darren Hart <dvhart@linux.intel.com> Signed-off-by: Michal Marek <mmarek@suse.cz>
| * | | merge_config.sh: improve indentationMasahiro Yamada2015-03-24
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | It is true that we do not want to move the code too far to the right, but something like below is not preferred: if [ "x$PREV_VAL" != "x$NEW_VAL" ] ; then echo Value of $CFG is redefined by fragment $MERGE_FILE: echo Previous value: $PREV_VAL echo New value: $NEW_VAL echo elif [ "$WARNREDUN" = "true" ]; then echo Value of $CFG is redundant by fragment $MERGE_FILE: fi To fix this, call "continue" if the "grep" command fails to find the given CONFIG. Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com> Reviewed-by: Josh Triplett <josh@joshtriplett.org> Reviewed-by: Darren Hart <dvhart@linux.intel.com> Signed-off-by: Michal Marek <mmarek@suse.cz>
| * | | kbuild: mergeconfig: remove redundant $(objtree)Masahiro Yamada2015-03-24
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Kbuild always runs in $(objtree). Actually, $(objtree) is always set to "." by the top-level Makefile. We can omit "-O $(objtree)" and "$(objtree)/". Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com> Reviewed-by: Josh Triplett <josh@joshtriplett.org> Reviewed-by: Darren Hart <dvhart@linux.intel.com> Signed-off-by: Michal Marek <mmarek@suse.cz>
| * | | kbuild: mergeconfig: move an error check to merge_config.shMasahiro Yamada2015-03-24
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Currently, "make tinyconfig" does not work with "-j" option. $ make mrproper $ make -j8 tinyconfig HOSTCC scripts/basic/fixdep HOSTCC scripts/kconfig/conf.o SHIPPED scripts/kconfig/zconf.tab.c SHIPPED scripts/kconfig/zconf.lex.c SHIPPED scripts/kconfig/zconf.hash.c HOSTCC scripts/kconfig/zconf.tab.o HOSTLD scripts/kconfig/conf scripts/kconfig/conf --allnoconfig Kconfig # # configuration written to .config # scripts/kconfig/Makefile:122: *** You need an existing .config for this target. Stop. make: *** [tinyconfig] Error 2 As shown above, "allnoconfig" has created the .config file before mergeconfig is called, but Make still raises a false alarm because of some sort of race condition. We can fix this issue by moving the error check to the shell script. Anyway, scripts/kconfig/merge_config.sh always requires an existing .config as a base file. It is reasonable to check its existence in the shell script. Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com> Reviewed-by: Josh Triplett <josh@joshtriplett.org> Reviewed-by: Darren Hart <dvhart@linux.intel.com> Signed-off-by: Michal Marek <mmarek@suse.cz>
| * | | kbuild: mergeconfig: fix "jobserver unavailable" warningMasahiro Yamada2015-03-24
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | If "make kvmconfig" is run with "-j" option, a warning message, "jobserver unavailable: using -j1. Add `+' to parent make rule.", is displayed. $ make -s defconfig *** Default configuration is based on 'x86_64_defconfig' # # configuration written to .config # $ make -j8 kvmconfig Using ./.config as base Merging ./arch/x86/configs/kvm_guest.config [ snip ] # # merged configuration written to ./.config (needs make) # make[2]: warning: jobserver unavailable: using -j1. Add `+' to parent make rule. scripts/kconfig/conf --oldconfig Kconfig [ snip ] # # configuration written to .config # Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com> Reviewed-by: Josh Triplett <josh@joshtriplett.org> Reviewed-by: Darren Hart <dvhart@linux.intel.com> Signed-off-by: Michal Marek <mmarek@suse.cz>
| * | | kconfig: Remove unnecessary prototypes from headersMichal Marek2015-02-25
| | | | | | | | | | | | | | | | Signed-off-by: Michal Marek <mmarek@suse.cz>
| * | | kconfig: Remove dead codeMichal Marek2015-02-25
| | | | | | | | | | | | | | | | Signed-off-by: Michal Marek <mmarek@suse.cz>
| * | | kconfig: Get rid of the P() macro in headersMichal Marek2015-02-25
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This was originally meant for dlopen()ing a potential kconfig shared library. The unused dlopen code has already been removed in commit 5a6f8d2b (kconfig: nuke LKC_DIRECT_LINK cruft), so let's remove the rest. The lkc_proto.h change was made with the following sed script: sed -r 's/^P\(([^,]*), *([^,]*), *(.*)\);/\2 \1\3;/' Plus some manual adjustments. Signed-off-by: Michal Marek <mmarek@suse.cz>
| * | | kconfig: fix a misspelling in scripts/kconfig/merge_config.shMasahiro Yamada2015-02-25
| | |/ | |/| | | | | | | | | | Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com> Signed-off-by: Michal Marek <mmarek@suse.cz>
* | | Merge branch 'kbuild' of ↵Linus Torvalds2015-04-15
|\ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild Pull kbuild updates from Michal Marek: "Here is the first round of kbuild changes for v4.1-rc1: - kallsyms fix for ARM and cleanup - make dep(end) removed (developers have no sense of nostalgia these days...) - include Makefiles by relative path - stop useless rebuilds of asm-offsets.h and bounds.h" * 'kbuild' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild: Kbuild: kallsyms: drop special handling of pre-3.0 GCC symbols Kbuild: kallsyms: ignore veneers emitted by the ARM linker kbuild: ia64: use $(src)/Makefile.gate rather than particular path kbuild: include $(src)/Makefile rather than $(obj)/Makefile kbuild: use relative path more to include Makefile kbuild: use relative path to include Makefile kbuild: do not add $(bounds-file) and $(offsets-file) to targets kbuild: remove warning about "make depend" kbuild: Don't reset timestamps in include/generated if not needed
| * | | Kbuild: kallsyms: drop special handling of pre-3.0 GCC symbolsArd Biesheuvel2015-04-07
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Since we have required at least GCC v3.2 for some time now, we can drop the special handling of the 'gcc[0-9]_compiled.' label which is not emitted anymore since GCC v3.0. Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org> Signed-off-by: Michal Marek <mmarek@suse.cz>
| * | | Kbuild: kallsyms: ignore veneers emitted by the ARM linkerArd Biesheuvel2015-04-07
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | When linking large kernels on ARM, the linker will insert veneers (i.e., PLT like stubs) when function symbols are out of reach for the ordinary relative branch/branch-and-link instructions. However, due to the fact that the kallsyms region sits in .rodata, which is between .text and .init.text, additional veneers may be emitted in the second pass due to the fact that the size of the kallsyms region itself has pushed the .init.text section further apart, requiring even more veneers. So ignore the veneers when generating the symbol table. Veneers have no corresponding source code, and they will not turn up in backtraces anyway. This patch also lightly refactors the symbol_valid() function to use a local 'sym_name' rather than the obfuscated 'sym + 1' and 'sym + offset' Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org> Signed-off-by: Michal Marek <mmarek@suse.cz>
| * | | kbuild: include $(src)/Makefile rather than $(obj)/MakefileMasahiro Yamada2015-04-02
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This commit actually has no impact because $(src) and $(obj) point to the same path, but $(src)/Makefile looks better when we include source files. Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com> Signed-off-by: Michal Marek <mmarek@suse.cz>
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