- Feb 26, 2017
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git://git.kernel.org/pub/scm/linux/kernel/git/clk/linuxLinus Torvalds authored
Pull clk updates from Stephen Boyd: "The usual collection of new drivers, non-critical fixes, and updates to existing clk drivers. The bulk of the work is on Allwinner and Rockchip SoCs, but there's also an Intel Atom driver in here too. New Drivers: - Tegra BPMP firmware - Hisilicon hi3660 SoCs - Rockchip rk3328 SoCs - Intel Atom PMC - STM32F746 - IDT VersaClock 5P49V5923 and 5P49V5933 - Marvell mv98dx3236 SoCs - Allwinner V3s SoCs Removed Drivers: - Samsung Exynos4415 SoCs Updates: - Migrate ABx500 to OF - Qualcomm IPQ4019 CPU clks and general PLL support - Qualcomm MSM8974 RPM - Rockchip non-critical fixes and clk id additions - Samsung Exynos4412 CPUs - Socionext UniPhier NAND and eMMC support - ZTE zx296718 i2s and other audio clks - Renesas CAN and MSIOF clks for R-Car M3-W - Renesas resets for R-Car Gen2 and Gen3 and RZ/G1 - TI CDCE913, CDCE937, and CDCE949 clk generators - Marvell Armada ap806 CPU frequencies - STM32F4* I2S/SAI support - Broadcom BCM2835 DSI support - Allwinner sun5i and A80 conversion to new style clk bindings" * tag 'clk-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux: (130 commits) clk: renesas: mstp: ensure register writes complete clk: qcom: Do not drop device node twice clk: mvebu: adjust clock handling for the CP110 system controller clk: mvebu: Expand mv98dx3236-core-clock support clk: zte: add i2s clocks for zx296718 clk: sunxi-ng: sun9i-a80: Fix wrong pointer passed to PTR_ERR() clk: sunxi-ng: select SUNXI_CCU_MULT for sun5i clk: sunxi-ng: Check kzalloc() for errors and cleanup error path clk: tegra: Add BPMP clock driver clk: uniphier: add eMMC clock for LD11 and LD20 SoCs clk: uniphier: add NAND clock for all UniPhier SoCs ARM: dts: sun9i: Switch to new clock bindings clk: sunxi-ng: Add A80 Display Engine CCU clk: sunxi-ng: Add A80 USB CCU clk: sunxi-ng: Add A80 CCU clk: sunxi-ng: Support separately grouped PLL lock status register clk: sunxi-ng: mux: Get closest parent rate possible with CLK_SET_RATE_PARENT clk: sunxi-ng: mux: honor CLK_SET_RATE_NO_REPARENT flag clk: sunxi-ng: mux: Fix determine_rate for mux clocks with pre-dividers clk: qcom: SDHCI enablement on Nexus 5X / 6P ...
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git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linuxLinus Torvalds authored
Pull i2c updates from Wolfram Sang: "I2C has for you two new drivers (Tegra BPMP and STM32F4), interrupt support for pca954x muxes, and a bunch of driver bugfixes and improvements. Nothing really special this cycle. A few commits have been added to my tree just recently. Those are the Tegra BPMP driver and a few straightforward bugfixes or cleanups which I prefer to have upstream rather soonish. The rest had proper linux-next exposure" * 'i2c/for-4.11' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux: (25 commits) i2c: thunderx: Replace pci_enable_msix() i2c: exynos5: fix arbitration lost handling i2c: exynos5: disable fifo-almost-empty irq signal when necessary i2c: at91: ensure state is restored after suspending i2c: bcm2835: Avoid possible NULL ptr dereference i2c: Add Tegra BPMP I2C proxy driver dt-bindings: Add Tegra186 BPMP I2C binding misc: eeprom: at24: use device_property_*() functions instead of of_get_property() i2c: mux: pca954x: Add interrupt controller support dt: bindings: i2c-mux-pca954x: Add documentation for interrupt controller i2c: mux: pca954x: Add missing pca9542 definition to chip_desc i2c: riic: correctly finish transfers i2c: i801: Add support for Intel Gemini Lake i2c: mux: pca9541: Export OF device ID table as module aliases i2c: mux: pca954x: Export OF device ID table as module aliases i2c: mux: mlxcpld: remove unused including <linux/version.h> i2c: busses: constify i2c_algorithm structures i2c: i2c-mux-gpio: rename i2c-gpio-mux to i2c-mux-gpio i2c: sh_mobile: document support for r8a7796 (R-Car M3-W) i2c: i2c-cros-ec-tunnel: Reduce logging noise ...
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git://git.kernel.org/pub/scm/linux/kernel/git/dledford/rdmaLinus Torvalds authored
Pull rdma DMA mapping updates from Doug Ledford: "Drop IB DMA mapping code and use core DMA code instead. Bart Van Assche noted that the ib DMA mapping code was significantly similar enough to the core DMA mapping code that with a few changes it was possible to remove the IB DMA mapping code entirely and switch the RDMA stack to use the core DMA mapping code. This resulted in a nice set of cleanups, but touched the entire tree and has been kept separate for that reason." * tag 'for-next-dma_ops' of git://git.kernel.org/pub/scm/linux/kernel/git/dledford/rdma: (37 commits) IB/rxe, IB/rdmavt: Use dma_virt_ops instead of duplicating it IB/core: Remove ib_device.dma_device nvme-rdma: Switch from dma_device to dev.parent RDS: net: Switch from dma_device to dev.parent IB/srpt: Modify a debug statement IB/srp: Switch from dma_device to dev.parent IB/iser: Switch from dma_device to dev.parent IB/IPoIB: Switch from dma_device to dev.parent IB/rxe: Switch from dma_device to dev.parent IB/vmw_pvrdma: Switch from dma_device to dev.parent IB/usnic: Switch from dma_device to dev.parent IB/qib: Switch from dma_device to dev.parent IB/qedr: Switch from dma_device to dev.parent IB/ocrdma: Switch from dma_device to dev.parent IB/nes: Remove a superfluous assignment statement IB/mthca: Switch from dma_device to dev.parent IB/mlx5: Switch from dma_device to dev.parent IB/mlx4: Switch from dma_device to dev.parent IB/i40iw: Remove a superfluous assignment statement IB/hns: Switch from dma_device to dev.parent ...
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git://github.com/bzolnier/linuxLinus Torvalds authored
Pull fbdev updates from Bartlomiej Zolnierkiewicz: - fix for font color when console is switched to another fb driver - deferred probing fixes for simplefb driver - preparations to add support of an optional GPIO to enable panel for ARM CLCD driver - some improvements for ssd1307fb driver - cleanups for OMAP fbdev LCD drivers - misc fixes/cleanups for various fb drivers * tag 'fbdev-v4.11' of git://github.com/bzolnier/linux: (30 commits) video: fbdev: fsl-diu-fb: fix spelling mistake "palette" fbdev: ssd1307fb: include linux/gpio/consumer.h video: fbdev: fsl-diu-fb: remove impossible condition video: fbdev: amifb: remove impossible condition fbdev/ssd1307fb: clear screen in probe fbdev/ssd1307fb: add support to enable VBAT fbdev: ssd1307fb: Make reset gpio devicetree property optional fbdev: ssd1307fb: Remove reset-active-low from the DT binding document fbdev: ssd1307fb: Start to use gpiod API for reset gpio video: fbdev: sh_mobile_lcdcfb: fix error return code in sh_mobile_lcdc_probe() video: fbdev: offb: switch to using for_each_node_by_type video/console: use setup_timer and mod_timer instead of init_timer fbdev: omap/lcd: Make callbacks optional fbdev: omap/lcd: Staticize non-exported lcd_panel structs fbdev: omap/lcd: Remove no-op driver callbacks video/mbx: use simple_open() video: fbdev: stifb: handle NULL return value from ioremap_nocache video: fbdev: pmagb-b-fb: Remove bad `__init' annotation video: fbdev: pmag-ba-fb: Remove bad `__init' annotation video: ARM CLCD: use panel device node for getting backlight and mode ...
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Joe Perches authored
These are the current source files that should not have executable attributes set. [ Normally this would be sent through Andrew Morton's tree but his quilt tools don't like permission only patches. ] Signed-off-by:
Joe Perches <joe@perches.com> Signed-off-by:
Linus Torvalds <torvalds@linux-foundation.org>
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Linus Torvalds authored
Merge more updates from Andrew Morton: - almost all of the rest of MM - misc bits - KASAN updates - procfs - lib/ updates - checkpatch updates * emailed patches from Andrew Morton <akpm@linux-foundation.org>: (124 commits) checkpatch: remove false unbalanced braces warning checkpatch: notice unbalanced else braces in a patch checkpatch: add another old address for the FSF checkpatch: update $logFunctions checkpatch: warn on logging continuations checkpatch: warn on embedded function names lib/lz4: remove back-compat wrappers fs/pstore: fs/squashfs: change usage of LZ4 to work with new LZ4 version crypto: change LZ4 modules to work with new LZ4 module version lib/decompress_unlz4: change module to work with new LZ4 module version lib: update LZ4 compressor module lib/test_sort.c: make it explicitly non-modular lib: add CONFIG_TEST_SORT to enable self-test of sort() rbtree: use designated initializers linux/kernel.h: fix DIV_ROUND_CLOSEST to support negative divisors lib/find_bit.c: micro-optimise find_next_*_bit lib: add module support to atomic64 tests lib: add module support to glob tests lib: add module support to crc32 tests kernel/ksysfs.c: add __ro_after_init to bin_attribute structure ...
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Thomas Gleixner authored
mac80211_hwsim initializes a hrtimer with clockid CLOCK_MONOTONIC_RAW. That's not supported. Use CLOCK_MONOTNIC instead. Signed-off-by:
Thomas Gleixner <tglx@linutronix.de> Signed-off-by:
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- Feb 25, 2017
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git://github.com/openrisc/linuxLinus Torvalds authored
Pull OpenRISC updates from Stafford Horne: "Highlights include: - optimized memset and memcpy routines, ~20% boot time saving - support for cpu idling - adding support for l.swa and l.lwa atomic operations (in spec from 2014) - use atomics to implement: bitops, cmpxchg, futex - the atomics are in preparation for SMP support" * tag 'openrisc-for-linus' of git://github.com/openrisc/linux: (25 commits) openrisc: head: Init r0 to 0 on start openrisc: Export ioremap symbols used by modules arch/openrisc/lib/memcpy.c: use correct OR1200 option openrisc: head: Remove unused strings openrisc: head: Move init strings to rodata section openrisc: entry: Fix delay slot detection openrisc: entry: Whitespace and comment cleanups scripts/checkstack.pl: Add openrisc support MAINTAINERS: Add the openrisc official repository openrisc: Add .gitignore openrisc: Add optimized memcpy routine openrisc: Add optimized memset openrisc: Initial support for the idle state openrisc: Fix the bitmask for the unit present register openrisc: remove unnecessary stddef.h include openrisc: add futex_atomic_* implementations openrisc: add optimized atomic operations openrisc: add cmpxchg and xchg implementations openrisc: add atomic bitops openrisc: add l.lwa/l.swa emulation ... -
Sven Eckelmann authored
Lines containing "} else {" should not be detected as unbalanced braces. But the second check can be reduced to ".+else\s*{" and it therefore never checked if the beginning of a line contains any other character (like the relevant "}"). This check would also return true for "} else {" and create warnings like CHECK: Unbalanced braces around else statement #391: FILE: ./net/batman-adv/tvlv.c:391: + } else { The check can be changed to check the whole line for the missing "}" to avoid this false positive. Fixes: 0d1532456c26 ("checkpatch: notice unbalanced else braces in a patch") Link: http://lkml.kernel.org/r/20170220121644.12209-1-sven@narfation.org Signed-off-by:Sven Eckelmann <sven@narfation.org> Acked-by:
Andrew Morton <akpm@linux-foundation.org> Signed-off-by:
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Joe Perches authored
Patches that add or modify code like } else <foo> or else { <bar> where one branch appears to have a brace and the other branch does not have a brace should emit a --strict style message. Link: http://lkml.kernel.org/r/c6be32747fc725cbc235802991746700a0f54fdc.1486754390.git.joe@perches.com Signed-off-by: -
Matthew Wilcox authored
We still have a lot of old addresses for the FSF in the kernel. willy@harry:~/kernel/idr$ git grep '675 Mass' |wc -l 1502 willy@harry:~/kernel/idr$ git grep '59 Temple' |wc -l 2825 willy@harry:~/kernel/idr$ git grep '51 Franklin' |wc -l 2020 Let's discourage adding the oldest one too. Link: http://lkml.kernel.org/r/20170128173052.GA23532@bombadil.infradead.org Signed-off-by:
Matthew Wilcox <mawilcox@microsoft.com> Acked-by:
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Miles Chen authored
Currently checkpatch.pl does not recognize printk_deferred* functions as log functions and complains about the line length of printk_deferred* functions. Add printk_deferred* to logFunctions to fix it. Link: http://lkml.kernel.org/r/1484537124-18083-1-git-send-email-miles.chen@mediatek.com Signed-off-by:
Miles Chen <miles.chen@mediatek.com> Acked-by:
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Joe Perches authored
pr_cont(...) and printk(KERN_CONT ...) uses should be discouraged as their output can be interleaved by multiple logging processes. Link: http://lkml.kernel.org/r/7100ba00098694ec81471a299583ed068975fd05.1483465888.git.joe@perches.com Signed-off-by:
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Joe Perches authored
Embedded function names are less appropriate to use when refactoring can cause function renaming. Prefer the use of "%s", __func__ to embedded function names. Link: http://lkml.kernel.org/r/ac9631fdbac5af3507c5bfe88ad9064f0ed764ec.1483510416.git.joe@perches.com Signed-off-by:
Andy Whitcroft <apw@canonical.com> Signed-off-by:
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Sven Schmidt authored
Remove the functions introduced as wrappers for providing backwards compatibility to the prior LZ4 version. They're not needed anymore since there's no callers left. Link: http://lkml.kernel.org/r/1486321748-19085-6-git-send-email-4sschmid@informatik.uni-hamburg.de Signed-off-by:
Sven Schmidt <4sschmid@informatik.uni-hamburg.de> Cc: Bongkyu Kim <bongkyu.kim@lge.com> Cc: Rui Salvaterra <rsalvaterra@gmail.com> Cc: Sergey Senozhatsky <sergey.senozhatsky@gmail.com> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: Herbert Xu <herbert@gondor.apana.org.au> Cc: David S. Miller <davem@davemloft.net> Cc: Anton Vorontsov <anton@enomsg.org> Cc: Colin Cross <ccross@android.com> Cc: Kees Cook <keescook@chromium.org> Cc: Tony Luck <tony.luck@intel.com> Signed-off-by:
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Sven Schmidt authored
Update fs/pstore and fs/squashfs to use the updated functions from the new LZ4 module. Link: http://lkml.kernel.org/r/1486321748-19085-5-git-send-email-4sschmid@informatik.uni-hamburg.de Signed-off-by:
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Sven Schmidt authored
Update the crypto modules using LZ4 compression as well as the test cases in testmgr.h to work with the new LZ4 module version. Link: http://lkml.kernel.org/r/1486321748-19085-4-git-send-email-4sschmid@informatik.uni-hamburg.de Signed-off-by:
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Sven Schmidt authored
Update the unlz4 wrapper to work with the updated LZ4 kernel module version. Link: http://lkml.kernel.org/r/1486321748-19085-3-git-send-email-4sschmid@informatik.uni-hamburg.de Signed-off-by:
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Sven Schmidt authored
Patch series "Update LZ4 compressor module", v7. This patchset updates the LZ4 compression module to a version based on LZ4 v1.7.3 allowing to use the fast compression algorithm aka LZ4 fast which provides an "acceleration" parameter as a tradeoff between high compression ratio and high compression speed. We want to use LZ4 fast in order to support compression in lustre and (mostly, based on that) investigate data reduction techniques in behalf of storage systems. Also, it will be useful for other users of LZ4 compression, as with LZ4 fast it is possible to enable applications to use fast and/or high compression depending on the usecase. For instance, ZRAM is offering a LZ4 backend and could benefit from an updated LZ4 in the kernel. LZ4 homepage: http://www.lz4.org/ LZ4 source repository: https://github.com/lz4/lz4 Source version: 1.7.3 Benchmark (taken from [1], Core i5-4300U @1.9GHz): ----------------|--------------|----------------|---------- Compressor | Compression | Decompression | Ratio ----------------|--------------|----------------|---------- memcpy | 4200 MB/s | 4200 MB/s | 1.000 LZ4 fast 50 | 1080 MB/s | 2650 MB/s | 1.375 LZ4 fast 17 | 680 MB/s | 2220 MB/s | 1.607 LZ4 fast 5 | 475 MB/s | 1920 MB/s | 1.886 LZ4 default | 385 MB/s | 1850 MB/s | 2.101 [1] http://fastcompression.blogspot.de/2015/04/sampling-or-faster-lz4.html [PATCH 1/5] lib: Update LZ4 compressor module [PATCH 2/5] lib/decompress_unlz4: Change module to work with new LZ4 module version [PATCH 3/5] crypto: Change LZ4 modules to work with new LZ4 module version [PATCH 4/5] fs/pstore: fs/squashfs: Change usage of LZ4 to work with new LZ4 version [PATCH 5/5] lib/lz4: Remove back-compat wrappers This patch (of 5): Update the LZ4 kernel module to LZ4 v1.7.3 by Yann Collet. The kernel module is inspired by the previous work by Chanho Min. The updated LZ4 module will not break existing code since the patchset contains appropriate changes. API changes: New method LZ4_compress_fast which differs from the variant available in kernel by the new acceleration parameter, allowing to trade compression ratio for more compression speed and vice versa. LZ4_decompress_fast is the respective decompression method, featuring a very fast decoder (multiple GB/s per core), able to reach RAM speed in multi-core systems. The decompressor allows to decompress data compressed with LZ4 fast as well as the LZ4 HC (high compression) algorithm. Also the useful functions LZ4_decompress_safe_partial and LZ4_compress_destsize were added. The latter reverses the logic by trying to compress as much data as possible from source to dest while the former aims to decompress partial blocks of data. A bunch of streaming functions were also added which allow compressig/decompressing data in multiple steps (so called "streaming mode"). The methods lz4_compress and lz4_decompress_unknownoutputsize are now known as LZ4_compress_default respectivley LZ4_decompress_safe. The old methods will be removed since there's no callers left in the code. [arnd@arndb.de: fix KERNEL_LZ4 support] Link: http://lkml.kernel.org/r/20170208211946.2839649-1-arnd@arndb.de [akpm@linux-foundation.org: simplify] [akpm@linux-foundation.org: fix the simplification] [4sschmid@informatik.uni-hamburg.de: fix performance regressions] Link: http://lkml.kernel.org/r/1486898178-17125-2-git-send-email-4sschmid@informatik.uni-hamburg.de [4sschmid@informatik.uni-hamburg.de: v8] Link: http://lkml.kernel.org/r/1487182598-15351-2-git-send-email-4sschmid@informatik.uni-hamburg.de Link: http://lkml.kernel.org/r/1486321748-19085-2-git-send-email-4sschmid@informatik.uni-hamburg.de Signed-off-by:
Arnd Bergmann <arnd@arndb.de> Cc: Bongkyu Kim <bongkyu.kim@lge.com> Cc: Rui Salvaterra <rsalvaterra@gmail.com> Cc: Sergey Senozhatsky <sergey.senozhatsky@gmail.com> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: Herbert Xu <herbert@gondor.apana.org.au> Cc: David S. Miller <davem@davemloft.net> Cc: Anton Vorontsov <anton@enomsg.org> Cc: Colin Cross <ccross@android.com> Cc: Kees Cook <keescook@chromium.org> Cc: Tony Luck <tony.luck@intel.com> Signed-off-by:
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Paul Gortmaker authored
The Kconfig currently controlling compilation of this code is: lib/Kconfig.debug:config TEST_SORT lib/Kconfig.debug: bool "Array-based sort test" ...meaning that it currently is not being built as a module by anyone. Lets remove the couple traces of modular infrastructure use, so that when reading the code there is no doubt it is builtin-only. Since module_init translates to device_initcall in the non-modular case, the init ordering becomes slightly earlier when we change it to use subsys_initcall as done here. However, since it is a self contained test, this shouldn't be an issue and subsys_initcall seems like a better fit for this particular case. We also delete the MODULE_LICENSE tag since that information is now contained at the top of the file in the comments. Link: http://lkml.kernel.org/r/20170124225608.7319-1-paul.gortmaker@windriver.com Signed-off-by:Paul Gortmaker <paul.gortmaker@windriver.com> Cc: Kostenzer Felix <fkostenzer@live.at> Cc: Arnd Bergmann <arnd@arndb.de> Signed-off-by:
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Kostenzer Felix authored
Along with the addition made to Kconfig.debug, the prior existing but permanently disabled test function has been slightly refactored. Patch has been tested using QEMU 2.1.2 with a .config obtained through 'make defconfig' (x86_64) and manually enabling the option. [arnd@arndb.de: move sort self-test into a separate file] Link: http://lkml.kernel.org/r/20170112110657.3123790-1-arnd@arndb.de Link: http://lkml.kernel.org/r/HE1PR09MB0394B0418D504DCD27167D4FD49B0@HE1PR09MB0394.eurprd09.prod.outlook.com Signed-off-by:
Kostenzer Felix <fkostenzer@live.at> Signed-off-by:
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Kees Cook authored
Prepare to mark sensitive kernel structures for randomization by making sure they're using designated initializers. These were identified during allyesconfig builds of x86, arm, and arm64, with most initializer fixes extracted from grsecurity. Link: http://lkml.kernel.org/r/20161217010253.GA140470@beast Signed-off-by:
Kees Cook <keescook@chromium.org> Acked-by:
Peter Zijlstra (Intel) <peterz@infradead.org> Cc: David Howells <dhowells@redhat.com> Cc: Jie Chen <fykcee1@gmail.com> Signed-off-by:
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Niklas Söderlund authored
While working on a thermal driver I encounter a scenario where the divisor could be negative, instead of adding local code to handle this I though I first try to add support for this in DIV_ROUND_CLOSEST. Add support to DIV_ROUND_CLOSEST for negative divisors if both dividend and divisor variable types are signed. This should not alter current behavior for users of the macro as previously negative divisors where not supported. Before: DIV_ROUND_CLOSEST( 59, 4) = 15 DIV_ROUND_CLOSEST( 59, -4) = -14 DIV_ROUND_CLOSEST( -59, 4) = -15 DIV_ROUND_CLOSEST( -59, -4) = 14 After: DIV_ROUND_CLOSEST( 59, 4) = 15 DIV_ROUND_CLOSEST( 59, -4) = -15 DIV_ROUND_CLOSEST( -59, 4) = -15 DIV_ROUND_CLOSEST( -59, -4) = 15 [akpm@linux-foundation.org: fix comment, per Guenter] Link: http://lkml.kernel.org/r/20161222102217.29011-1-niklas.soderlund+renesas@ragnatech.se Signed-off-by:
Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se> Reviewed-by:
Guenter Roeck <linux@roeck-us.net> Signed-off-by:
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Matthew Wilcox authored
This saves 32 bytes on my x86-64 build, mostly due to alignment considerations and sharing more code between find_next_bit and find_next_zero_bit, but it does save a couple of instructions. There's really two parts to this commit: - First, the first half of the test: (!nbits || start >= nbits) is trivially a subset of the second half, since nbits and start are both unsigned - Second, while looking at the disassembly, I noticed that GCC was predicting the branch taken. Since this is a failure case, it's clearly the less likely of the two branches, so add an unlikely() to override GCC's heuristics. [mawilcox@microsoft.com: v2] Link: http://lkml.kernel.org/r/1483709016-1834-1-git-send-email-mawilcox@linuxonhyperv.com Link: http://lkml.kernel.org/r/1483709016-1834-1-git-send-email-mawilcox@linuxonhyperv.com Signed-off-by:
Yury Norov <ynorov@caviumnetworks.com> Acked-by:
Rasmus Villemoes <linux@rasmusvillemoes.dk> Signed-off-by:
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Geert Uytterhoeven authored
Allow to compile the atomic64 test code either to a loadable module, or builtin into the kernel. Link: http://lkml.kernel.org/r/1483470276-10517-3-git-send-email-geert@linux-m68k.org Signed-off-by:
Geert Uytterhoeven <geert@linux-m68k.org> Reviewed-by:
Andy Shevchenko <andy.shevchenko@gmail.com> Signed-off-by:
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Geert Uytterhoeven authored
Extract the glob test code into its own source file, to allow to compile it either to a loadable module, or builtin into the kernel. Link: http://lkml.kernel.org/r/1483470276-10517-2-git-send-email-geert@linux-m68k.org Signed-off-by:
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Geert Uytterhoeven authored
Extract the crc32 test code into its own source file, to allow to compile it either to a loadable module, or builtin into the kernel. Link: http://lkml.kernel.org/r/1483470276-10517-1-git-send-email-geert@linux-m68k.org Signed-off-by:
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Bhumika Goyal authored
The object notes_attr of type bin_attribute is not modified after getting initailized by ksysfs_init. Apart from initialization in ksysfs_init it is also passed as an argument to the function sysfs_create_bin_file but this argument is of type const. Therefore, add __ro_after_init to its declaration. Link: http://lkml.kernel.org/r/1486839969-16891-1-git-send-email-bhumirks@gmail.com Signed-off-by:
Bhumika Goyal <bhumirks@gmail.com> Acked-by:
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Viresh Kumar authored
NOTIFY_STOP_MASK (0x8000) has only one bit set and there is no need to compare output of "ret & NOTIFY_STOP_MASK" to NOTIFY_STOP_MASK. We just need to make sure the output is non-zero, that's it. Link: http://lkml.kernel.org/r/88ee58264a2bfab1c97ffc8ac753e25f55f57c10.1483593065.git.viresh.kumar@linaro.org Signed-off-by:
Viresh Kumar <viresh.kumar@linaro.org> Signed-off-by:
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Yisheng Xie authored
With CONFIG_BALLOON_COMPACTION=y the kernel will mount balloon_mnt for balloon page migration when we probe a virtio_balloon device. However we do not unmount it when removing the device. Fix this. Fixes: b1123ea6 ("mm: balloon: use general non-lru movable page feature") Link: http://lkml.kernel.org/r/1486531318-35189-1-git-send-email-xieyisheng1@huawei.com Signed-off-by:
Yisheng Xie <xieyisheng1@huawei.com> Acked-by:
Minchan Kim <minchan@kernel.org> Cc: Rafael Aquini <aquini@redhat.com> Cc: Konstantin Khlebnikov <koct9i@gmail.com> Cc: Gioh Kim <gi-oh.kim@profitbricks.com> Cc: Vlastimil Babka <vbabka@suse.cz> Cc: Michal Hocko <mhocko@kernel.org> Cc: Michael S. Tsirkin <mst@redhat.com> Cc: Jason Wang <jasowang@redhat.com> Cc: Hanjun Guo <guohanjun@huawei.com> Cc: Xishi Qiu <qiuxishi@huawei.com> Cc: <stable@vger.kernel.org> Signed-off-by:
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Kees Cook authored
The CHECK_DATA_CORRUPTION() macro was designed to have callers do something meaningful/protective on failure. However, using "return false" in the macro too strictly limits the design patterns of callers. Instead, let callers handle the logic test directly, but make sure that the result IS checked by forcing __must_check (which appears to not be able to be used directly on macro expressions). Link: http://lkml.kernel.org/r/20170206204547.GA125312@beast Signed-off-by:
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Gideon Israel Dsouza authored
There is <linux/compiler.h> which provides macros for various gcc specific constructs. Eg: __weak for __attribute__((weak)). I've cleaned all instances of gcc specific attributes with the right macros for all files under /arch/m68k Link: http://lkml.kernel.org/r/1485540901-1988-3-git-send-email-gidisrael@gmail.com Signed-off-by:
Gideon Israel Dsouza <gidisrael@gmail.com> Cc: Greg Ungerer <gerg@linux-m68k.org> Cc: Geert Uytterhoeven <geert@linux-m68k.org> Cc: Paul Gortmaker <paul.gortmaker@windriver.com> Signed-off-by:
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Gideon Israel Dsouza authored
Add __mode(x) into compiler-gcc.h as part of a cleanup task I've taken up, to replace gcc specific attributes with macros. The next patch is a cleanup of the m68k subsystem and it requires a new macro to wrap __attribute__ ((mode (...))) Link: http://lkml.kernel.org/r/1485540901-1988-2-git-send-email-gidisrael@gmail.com Signed-off-by:
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Masahiro Yamada authored
The timer APIs this header needs are ktime_get(), ktime_add_us(), and ktime_compare(). So, including <linux/ktime.h> seems enough. This commit will cut unnecessary header file parsing. Link: http://lkml.kernel.org/r/1481679225-10885-1-git-send-email-yamada.masahiro@socionext.com Signed-off-by:
Masahiro Yamada <yamada.masahiro@socionext.com> Signed-off-by:
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Mike Frysinger authored
Commit 63159f5d ("uapi: Use __kernel_long_t in struct mq_attr") changed the types from long to __kernel_long_t, but didn't add a linux/types.h include. Code that tries to include this header directly breaks: /usr/include/linux/mqueue.h:26:2: error: unknown type name '__kernel_long_t' __kernel_long_t mq_flags; /* message queue flags */ This also upsets configure tests for this header: checking linux/mqueue.h usability... no checking linux/mqueue.h presence... yes configure: WARNING: linux/mqueue.h: present but cannot be compiled configure: WARNING: linux/mqueue.h: check for missing prerequisite headers? configure: WARNING: linux/mqueue.h: see the Autoconf documentation configure: WARNING: linux/mqueue.h: section "Present But Cannot Be Compiled" configure: WARNING: linux/mqueue.h: proceeding with the compiler's result checking for linux/mqueue.h... no Link: http://lkml.kernel.org/r/20170119194644.4403-1-vapier@gentoo.org Signed-off-by:
Mike Frysinger <vapier@gentoo.org> Signed-off-by:
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Lafcadio Wluiki authored
Previously, the hidepid parameter was checked by comparing literal integers 0, 1, 2. Let's add a proper enum for this, to make the checking more expressive: 0 → HIDEPID_OFF 1 → HIDEPID_NO_ACCESS 2 → HIDEPID_INVISIBLE This changes the internal labelling only, the userspace-facing interface remains unmodified, and still works with literal integers 0, 1, 2. No functional changes. Link: http://lkml.kernel.org/r/1484572984-13388-2-git-send-email-djalal@gmail.com Signed-off-by:Lafcadio Wluiki <wluikil@gmail.com> Signed-off-by:
Djalal Harouni <tixxdz@gmail.com> Acked-by:
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Alexey Dobriyan authored
After staring at this code for a while I've figured using small 2-entry array describing ARGV and ENVP is the way to address code duplication critique. Link: http://lkml.kernel.org/r/20170105185724.GA12027@avx2 Signed-off-by:
Alexey Dobriyan <adobriyan@gmail.com> Signed-off-by:
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Geliang Tang authored
To make the code clearer, use rb_entry() instead of container_of() to deal with rbtree. Link: http://lkml.kernel.org/r/4fd1f82818665705ce75c5156a060ae7caa8e0a9.1482160150.git.geliangtang@gmail.com Signed-off-by:
Geliang Tang <geliangtang@gmail.com> Cc: Jan Kara <jack@suse.cz> Cc: Al Viro <viro@zeniv.linux.org.uk> Cc: "David S. Miller" <davem@davemloft.net> Cc: Juergen Gross <jgross@suse.com> Cc: Dmitry Torokhov <dmitry.torokhov@gmail.com> Cc: Seth Forshee <seth.forshee@canonical.com> Signed-off-by:
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Davidlohr Bueso authored
Given that the arch does not add its own implementations, simply use the asm-generic/current.h (generic-y) header instead of duplicating code. Link: http://lkml.kernel.org/r/1485992878-4780-2-git-send-email-dave@stgolabs.net Signed-off-by:
Davidlohr Bueso <dbueso@suse.de> Cc: Richard Henderson <rth@twiddle.net> Cc: Ivan Kokshaysky <ink@jurassic.park.msu.ru> Cc: Matt Turner <mattst88@gmail.com> Signed-off-by:
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Sudip Mukherjee authored
The build of frv defconfig gives warning: arch/frv/mb93090-mb00/pci-frv.c:176:5: warning: ignoring return value of 'pci_assign_resource', declared with attribute warn_unused_result Just print an error message to silence the warning. We can not do much here on error. Link: http://lkml.kernel.org/r/1484256471-5379-1-git-send-email-sudipm.mukherjee@gmail.com Signed-off-by:
Sudip Mukherjee <sudip.mukherjee@codethink.co.uk> Cc: David Howells <dhowells@redhat.com> Signed-off-by:
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