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2017-09-09Merge tag 'for-linus-20170904' of git://git.infradead.org/linux-mtdLinus Torvalds
Pull MTD updates from Boris Brezillon: "General updates: - Constify pci_device_id in various drivers - Constify device_type - Remove pad control code from the Gemini driver - Use %pOF to print OF node full_name - Various fixes in the physmap_of driver - Remove unused vars in mtdswap - Check devm_kzalloc() return value in the spear_smi driver - Check clk_prepare_enable() return code in the st_spi_fsm driver - Create per MTD device debugfs enties NAND updates, from Boris Brezillon: - Fix memory leaks in the core - Remove unused NAND locking support - Rename nand.h into rawnand.h (preparing support for spi NANDs) - Use NAND_MAX_ID_LEN where appropriate - Fix support for 20nm Hynix chips - Fix support for Samsung and Hynix SLC NANDs - Various cleanup, improvements and fixes in the qcom driver - Fixes for bugs detected by various static code analysis tools - Fix mxc ooblayout definition - Add a new part_parsers to tmio and sharpsl platform data in order to define a custom list of partition parsers - Request the reset line in exclusive mode in the sunxi driver - Fix a build error in the orion-nand driver when compiled for ARMv4 - Allow 64-bit mvebu platforms to select the PXA3XX driver SPI NOR updates, from Cyrille Pitchen and Marek Vasut: - add support to the JEDEC JESD216B specification (SFDP tables). - add support to the Intel Denverton SPI flash controller. - fix error recovery for Spansion/Cypress SPI NOR memories. - fix 4-byte address management for the Aspeed SPI controller. - add support to some Microchip SST26 memory parts - remove unneeded pinctrl header Write a message for tag:" * tag 'for-linus-20170904' of git://git.infradead.org/linux-mtd: (74 commits) mtd: nand: complain loudly when chip->bits_per_cell is not correctly initialized mtd: nand: make Samsung SLC NAND usable again mtd: nand: tmio: Register partitions using the parsers mfd: tmio: Add partition parsers platform data mtd: nand: sharpsl: Register partitions using the parsers mtd: nand: sharpsl: Add partition parsers platform data mtd: nand: qcom: Support for IPQ8074 QPIC NAND controller mtd: nand: qcom: support for IPQ4019 QPIC NAND controller dt-bindings: qcom_nandc: IPQ8074 QPIC NAND documentation dt-bindings: qcom_nandc: IPQ4019 QPIC NAND documentation dt-bindings: qcom_nandc: fix the ipq806x device tree example mtd: nand: qcom: support for different DEV_CMD register offsets mtd: nand: qcom: QPIC data descriptors handling mtd: nand: qcom: enable BAM or ADM mode mtd: nand: qcom: erased codeword detection configuration mtd: nand: qcom: support for read location registers mtd: nand: qcom: support for passing flags in DMA helper functions mtd: nand: qcom: add BAM DMA descriptor handling mtd: nand: qcom: allocate BAM transaction mtd: nand: qcom: DMA mapping support for register read buffer ...
2017-09-08Merge tag 'pci-v4.14-changes' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci Pull PCI updates from Bjorn Helgaas: - add enhanced Downstream Port Containment support, which prints more details about Root Port Programmed I/O errors (Dongdong Liu) - add Layerscape ls1088a and ls2088a support (Hou Zhiqiang) - add MediaTek MT2712 and MT7622 support (Ryder Lee) - add MediaTek MT2712 and MT7622 MSI support (Honghui Zhang) - add Qualcom IPQ8074 support (Varadarajan Narayanan) - add R-Car r8a7743/5 device tree support (Biju Das) - add Rockchip per-lane PHY support for better power management (Shawn Lin) - fix IRQ mapping for hot-added devices by replacing the pci_fixup_irqs() boot-time design with a host bridge hook called at probe-time (Lorenzo Pieralisi, Matthew Minter) - fix race when enabling two devices that results in upstream bridge not being enabled correctly (Srinath Mannam) - fix pciehp power fault infinite loop (Keith Busch) - fix SHPC bridge MSI hotplug events by enabling bus mastering (Aleksandr Bezzubikov) - fix a VFIO issue by correcting PCIe capability sizes (Alex Williamson) - fix an INTD issue on Xilinx and possibly other drivers by unifying INTx IRQ domain support (Paul Burton) - avoid IOMMU stalls by marking AMD Stoney GPU ATS as broken (Joerg Roedel) - allow APM X-Gene device assignment to guests by adding an ACS quirk (Feng Kan) - fix driver crashes by disabling Extended Tags on Broadcom HT2100 (Extended Tags support is required for PCIe Receivers but not Requesters, and we now enable them by default when Requesters support them) (Sinan Kaya) - fix MSIs for devices that use phantom RIDs for DMA by assuming MSIs use the real Requester ID (not a phantom RID) (Robin Murphy) - prevent assignment of Intel VMD children to guests (which may be supported eventually, but isn't yet) by not associating an IOMMU with them (Jon Derrick) - fix Intel VMD suspend/resume by releasing IRQs on suspend (Scott Bauer) - fix a Function-Level Reset issue with Intel 750 NVMe by waiting longer (up to 60sec instead of 1sec) for device to become ready (Sinan Kaya) - fix a Function-Level Reset issue on iProc Stingray by working around hardware defects in the CRS implementation (Oza Pawandeep) - fix an issue with Intel NVMe P3700 after an iProc reset by adding a delay during shutdown (Oza Pawandeep) - fix a Microsoft Hyper-V lockdep issue by polling instead of blocking in compose_msi_msg() (Stephen Hemminger) - fix a wireless LAN driver timeout by clearing DesignWare MSI interrupt status after it is handled, not before (Faiz Abbas) - fix DesignWare ATU enable checking (Jisheng Zhang) - reduce Layerscape dependencies on the bootloader by doing more initialization in the driver (Hou Zhiqiang) - improve Intel VMD performance allowing allocation of more IRQ vectors than present CPUs (Keith Busch) - improve endpoint framework support for initial DMA mask, different BAR sizes, configurable page sizes, MSI, test driver, etc (Kishon Vijay Abraham I, Stan Drozd) - rework CRS support to add periodic messages while we poll during enumeration and after Function-Level Reset and prepare for possible other uses of CRS (Sinan Kaya) - clean up Root Port AER handling by removing unnecessary code and moving error handler methods to struct pcie_port_service_driver (Christoph Hellwig) - clean up error handling paths in various drivers (Bjorn Andersson, Fabio Estevam, Gustavo A. R. Silva, Harunobu Kurokawa, Jeffy Chen, Lorenzo Pieralisi, Sergei Shtylyov) - clean up SR-IOV resource handling by disabling VF decoding before updating the corresponding resource structs (Gavin Shan) - clean up DesignWare-based drivers by unifying quirks to update Class Code and Interrupt Pin and related handling of write-protected registers (Hou Zhiqiang) - clean up by adding empty generic pcibios_align_resource() and pcibios_fixup_bus() and removing empty arch-specific implementations (Palmer Dabbelt) - request exclusive reset control for several drivers to allow cleanup elsewhere (Philipp Zabel) - constify various structures (Arvind Yadav, Bhumika Goyal) - convert from full_name() to %pOF (Rob Herring) - remove unused variables from iProc, HiSi, Altera, Keystone (Shawn Lin) * tag 'pci-v4.14-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci: (170 commits) PCI: xgene: Clean up whitespace PCI: xgene: Define XGENE_PCI_EXP_CAP and use generic PCI_EXP_RTCTL offset PCI: xgene: Fix platform_get_irq() error handling PCI: xilinx-nwl: Fix platform_get_irq() error handling PCI: rockchip: Fix platform_get_irq() error handling PCI: altera: Fix platform_get_irq() error handling PCI: spear13xx: Fix platform_get_irq() error handling PCI: artpec6: Fix platform_get_irq() error handling PCI: armada8k: Fix platform_get_irq() error handling PCI: dra7xx: Fix platform_get_irq() error handling PCI: exynos: Fix platform_get_irq() error handling PCI: iproc: Clean up whitespace PCI: iproc: Rename PCI_EXP_CAP to IPROC_PCI_EXP_CAP PCI: iproc: Add 500ms delay during device shutdown PCI: Fix typos and whitespace errors PCI: Remove unused "res" variable from pci_resource_io() PCI: Correct kernel-doc of pci_vpd_srdt_size(), pci_vpd_srdt_tag() PCI/AER: Reformat AER register definitions iommu/vt-d: Prevent VMD child devices from being remapping targets x86/PCI: Use is_vmd() rather than relying on the domain number ...
2017-08-13mtd: nand: Rename nand.h into rawnand.hBoris Brezillon
We are planning to share more code between different NAND based devices (SPI NAND, OneNAND and raw NANDs), but before doing that we need to move the existing include/linux/mtd/nand.h file into include/linux/mtd/rawnand.h so we can later create a nand.h header containing all common structure and function prototypes. Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com> Signed-off-by: Peter Pan <peterpandong@micron.com> Acked-by: Vladimir Zapolskiy <vz@mleia.com> Acked-by: Alexander Sverdlin <alexander.sverdlin@gmail.com> Acked-by: Wenyou Yang <wenyou.yang@microchip.com> Acked-by: Krzysztof Kozlowski <krzk@kernel.org> Acked-by: Han Xu <han.xu@nxp.com> Acked-by: H Hartley Sweeten <hsweeten@visionengravers.com> Acked-by: Shawn Guo <shawnguo@kernel.org> Acked-by: Gregory CLEMENT <gregory.clement@free-electrons.com> Acked-by: Neil Armstrong <narmstrong@baylibre.com> Acked-by: Masahiro Yamada <yamada.masahiro@socionext.com> Acked-By: Harvey Hunt <harveyhuntnexus@gmail.com> Acked-by: Tony Lindgren <tony@atomide.com> Acked-by: Krzysztof Halasa <khalasa@piap.pl>
2017-08-10cris: Mark _stext and _end as char-arrays, not single char variablesMasami Hiramatsu
Mark _stext and _end as character arrays instead of single character variable, like include/asm-generic/sections.h does. Signed-off-by: Masami Hiramatsu <mhiramat@kernel.org> Cc: Ananth N Mavinakayanahalli <ananth@in.ibm.com> Cc: Anil S Keshavamurthy <anil.s.keshavamurthy@intel.com> Cc: Chris Zankel <chris@zankel.net> Cc: David S . Miller <davem@davemloft.net> Cc: Francis Deslauriers <francis.deslauriers@efficios.com> Cc: Jesper Nilsson <jesper.nilsson@axis.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Max Filippov <jcmvbkbc@gmail.com> Cc: Mikael Starvik <starvik@axis.com> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Yoshinori Sato <ysato@users.sourceforge.jp> Cc: linux-arch@vger.kernel.org Cc: linux-cris-kernel@axis.com Cc: mathieu.desnoyers@efficios.com Link: http://lkml.kernel.org/r/150172782555.27216.2805751327900543374.stgit@devbox Signed-off-by: Ingo Molnar <mingo@kernel.org>
2017-08-02PCI: Add a generic weak pcibios_fixup_bus()Palmer Dabbelt
Multiple architectures define this as an empty function, and I'm adding another one as part of the RISC-V port. Add a __weak version of pcibios_fixup_bus() and delete the now-obselete ones in a handful of ports. The only functional change should be that microblaze used to export pcibios_fixup_bus(). None of the other architectures exports this, so I just dropped it. Signed-off-by: Palmer Dabbelt <palmer@dabbelt.com> Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
2017-07-13Merge tag 'kbuild-v4.13-2' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild Pull more Kbuild updates from Masahiro Yamada: - Move generic-y of exported headers to uapi/asm/Kbuild for complete de-coupling of UAPI - Clean up scripts/Makefile.headersinst - Fix host programs for 32 bit machine with XFS file system * tag 'kbuild-v4.13-2' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild: (29 commits) kbuild: Enable Large File Support for hostprogs kbuild: remove wrapper files handling from Makefile.headersinst kbuild: split exported generic header creation into uapi-asm-generic kbuild: do not include old-kbuild-file from Makefile.headersinst xtensa: move generic-y of exported headers to uapi/asm/Kbuild unicore32: move generic-y of exported headers to uapi/asm/Kbuild tile: move generic-y of exported headers to uapi/asm/Kbuild sparc: move generic-y of exported headers to uapi/asm/Kbuild sh: move generic-y of exported headers to uapi/asm/Kbuild parisc: move generic-y of exported headers to uapi/asm/Kbuild openrisc: move generic-y of exported headers to uapi/asm/Kbuild nios2: move generic-y of exported headers to uapi/asm/Kbuild nios2: remove unneeded arch/nios2/include/(generated/)asm/signal.h microblaze: move generic-y of exported headers to uapi/asm/Kbuild metag: move generic-y of exported headers to uapi/asm/Kbuild m68k: move generic-y of exported headers to uapi/asm/Kbuild m32r: move generic-y of exported headers to uapi/asm/Kbuild ia64: remove redundant generic-y += kvm_para.h from asm/Kbuild hexagon: move generic-y of exported headers to uapi/asm/Kbuild h8300: move generic-y of exported headers to uapi/asm/Kbuild ...
2017-07-12CRIS: gpio: move inline before return typeJoe Perches
Move inline to be like the rest of the kernel. Link: http://lkml.kernel.org/r/6bf1bec049897c4158f698b866810f47c728f233.1499284835.git.joe@perches.com Signed-off-by: Joe Perches <joe@perches.com> Cc: Mikael Starvik <starvik@axis.com> Cc: Jesper Nilsson <jesper.nilsson@axis.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2017-07-10cris: move generic-y of exported headers to uapi/asm/KbuildMasahiro Yamada
Since commit fcc8487d477a ("uapi: export all headers under uapi directories"), all (and only) headers under uapi directories are exported, but asm-generic wrappers are still exceptions. To complete de-coupling the uapi from kernel headers, move generic-y of exported headers to uapi/asm/Kbuild. With this change, "make headers_install" will just need to parse uapi/asm/Kbuild to build up exported headers. Also, move "generic-y += kprobes.h", "generic-y += emergency-restart.h" up in order to keep the entries sorted. Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
2017-07-06Merge branch 'uaccess.strlen' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs Pull user access str* updates from Al Viro: "uaccess str...() dead code removal" * 'uaccess.strlen' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs: s390 keyboard.c: don't open-code strndup_user() mips: get rid of unused __strnlen_user() get rid of unused __strncpy_from_user() instances kill strlen_user()
2017-07-03Merge branch 'timers-core-for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull timer updates from Thomas Gleixner: "A rather large update for timers/timekeeping: - compat syscall consolidation (Al Viro) - Posix timer consolidation (Christoph Helwig / Thomas Gleixner) - Cleanup of the device tree based initialization for clockevents and clocksources (Daniel Lezcano) - Consolidation of the FTTMR010 clocksource/event driver (Linus Walleij) - The usual set of small fixes and updates all over the place" * 'timers-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (93 commits) timers: Make the cpu base lock raw clocksource/drivers/mips-gic-timer: Fix an error code in 'gic_clocksource_of_init()' clocksource/drivers/fsl_ftm_timer: Unmap region obtained by of_iomap clocksource/drivers/tcb_clksrc: Make IO endian agnostic clocksource/drivers/sun4i: Switch to the timer-of common init clocksource/drivers/timer-of: Fix invalid iomap check Revert "ktime: Simplify ktime_compare implementation" clocksource/drivers: Fix uninitialized variable use in timer_of_init kselftests: timers: Add test for frequency step kselftests: timers: Fix inconsistency-check to not ignore first timestamp time: Add warning about imminent deprecation of CONFIG_GENERIC_TIME_VSYSCALL_OLD time: Clean up CLOCK_MONOTONIC_RAW time handling posix-cpu-timers: Make timespec to nsec conversion safe itimer: Make timeval to nsec conversion range limited timers: Fix parameter description of try_to_del_timer_sync() ktime: Simplify ktime_compare implementation clocksource/drivers/fttmr010: Factor out clock read code clocksource/drivers/fttmr010: Implement delay timer clocksource/drivers: Add timer-of common init routine clocksource/drivers/tcb_clksrc: Save timer context on suspend/resume ...
2017-06-28arch: remove unused macro/function thread_saved_pc()Tobias Klauser
The only user of thread_saved_pc() in non-arch-specific code was removed in commit 8243d5597793 ("sched/core: Remove pointless printout in sched_show_task()"). Remove the implementations as well. Some architectures use thread_saved_pc() in their arch-specific code. Leave their thread_saved_pc() intact. Signed-off-by: Tobias Klauser <tklauser@distanz.ch> Acked-by: Geert Uytterhoeven <geert@linux-m68k.org> Cc: Ingo Molnar <mingo@kernel.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2017-06-04signal: Remove non-uapi <asm/siginfo.h>Christoph Hellwig
By moving the kernel side __SI_* defintions right next to the userspace ones we can kill the non-uapi versions of <asm/siginfo.h> include include/asm-generic/siginfo.h and untangle the unholy mess of includes. [ tglx: Removed uapi/asm/siginfo.h from m32r, microblaze, mn10300 and score ] Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Cc: linux-arch@vger.kernel.org Cc: Fenghua Yu <fenghua.yu@intel.com> Cc: Tony Luck <tony.luck@intel.com> Cc: linux-ia64@vger.kernel.org Cc: Arnd Bergmann <arnd@arndb.de> Cc: sparclinux@vger.kernel.org Cc: "David S. Miller" <davem@davemloft.net> Link: http://lkml.kernel.org/r/20170603190102.28866-6-hch@lst.de
2017-05-18devicetree: Move include prefixes from arch to separate directoryOlof Johansson
We use a directory under arch/$ARCH/boot/dts as an include path that has links outside of the subtree to find dt-bindings from under include/dt-bindings. That's been working well, but new DT architectures haven't been adding them by default. Recently there's been a desire to share some of the DT material between arm and arm64, which originally caused developers to create symlinks or relative includes between the subtrees. This isn't ideal -- it breaks if the DT files aren't stored in the exact same hierarchy as the kernel tree, and generally it's just icky. As a somewhat cleaner solution we decided to add a $ARCH/ prefix link once, and allow DTS files to reference dtsi (and dts) files in other architectures that way. Original approach was to create these links under each architecture, but it lead to the problem of recursive symlinks. As a remedy, move the include link directories out of the architecture trees into a common location. At the same time, they can now share one directory and one dt-bindings/ link as well. Fixes: 4027494ae6e3 ('ARM: dts: add arm/arm64 include symlinks') Reported-by: Russell King <linux@armlinux.org.uk> Reported-by: Omar Sandoval <osandov@osandov.com> Reviewed-by: Heiko Stuebner <heiko@sntech.de> Reviewed-by: Masahiro Yamada <yamada.masahiro@socionext.com> Tested-by: Heiko Stuebner <heiko@sntech.de> Acked-by: Rob Herring <robh@kernel.org> Cc: Heiko Stuebner <heiko@sntech.de> Cc: Mark Rutland <mark.rutland@arm.com> Cc: Russell King <linux@armlinux.org.uk> Cc: Catalin Marinas <catalin.marinas@arm.com> Cc: Will Deacon <will.deacon@arm.com> Cc: Mikael Starvik <starvik@axis.com> Cc: Jesper Nilsson <jesper.nilsson@axis.com> Cc: James Hogan <james.hogan@imgtec.com> Cc: Ralf Baechle <ralf@linux-mips.org> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: Paul Mackerras <paulus@samba.org> Cc: Michael Ellerman <mpe@ellerman.id.au> Cc: Frank Rowand <frowand.list@gmail.com> Cc: linux-arch <linux-arch@vger.kernel.org> Signed-off-by: Olof Johansson <olof@lixom.net>
2017-05-15get rid of unused __strncpy_from_user() instancesAl Viro
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2017-05-15kill strlen_user()Al Viro
no callers, no consistent semantics, no sane way to use it... Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2017-05-11Merge tag 'for-linus-20170510' of git://git.infradead.org/linux-mtdLinus Torvalds
Pull MTD updates from Brian Norris: "NAND, from Boris: - some minor fixes/improvements on existing drivers (fsmc, gpio, ifc, davinci, brcmnand, omap) - a huge cleanup/rework of the denali driver accompanied with core fixes/improvements to simplify the driver code - a complete rewrite of the atmel driver to support new DT bindings make future evolution easier - the addition of per-vendor detection/initialization steps to avoid extending the nand_ids table with more extended-id entries SPI NOR, from Cyrille: - fixes in the hisi, intel and Mediatek SPI controller drivers - fixes to some SPI flash memories not supporting the Chip Erase command. - add support to some new memory parts (Winbond, Macronix, Micron, ESMT). - add new driver for the STM32 QSPI controller And a few fixes for Gemini and Versatile platforms on physmap-of" * tag 'for-linus-20170510' of git://git.infradead.org/linux-mtd: (100 commits) MAINTAINERS: Update NAND subsystem git repositories mtd: nand: gpio: update binding mtd: nand: add ooblayout for old hamming layout mtd: oxnas_nand: Allocating more than necessary in probe() dt-bindings: mtd: Document the STM32 QSPI bindings mtd: mtk-nor: set controller's address width according to nor flash mtd: spi-nor: add driver for STM32 quad spi flash controller mtd: nand: brcmnand: Check flash #WP pin status before nand erase/program mtd: nand: davinci: add comment on NAND subpage write status on keystone mtd: nand: omap2: Fix partition creation via cmdline mtdparts mtd: nand: NULL terminate a of_device_id table mtd: nand: Fix a couple error codes mtd: nand: allow drivers to request minimum alignment for passed buffer mtd: nand: allocate aligned buffers if NAND_OWN_BUFFERS is unset mtd: nand: denali: allow to override revision number mtd: nand: denali_dt: use pdev instead of ofdev for platform_device mtd: nand: denali_dt: remove dma-mask DT property mtd: nand: denali: support 64bit capable DMA engine mtd: nand: denali_dt: enable HW_ECC_FIXUP for Altera SOCFPGA variant mtd: nand: denali: support HW_ECC_FIXUP capability ...
2017-05-11arch/include: remove empty Kbuild filesNicolas Dichtel
Signed-off-by: Nicolas Dichtel <nicolas.dichtel@6wind.com> Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
2017-05-11uapi: export all arch specifics directoriesNicolas Dichtel
This patch removes the need of subdir-y. Now all files/directories under arch/<arch>/include/uapi/ are exported. The only change for userland is the layout of the command 'make headers_install_all': directories asm-<arch> are replaced by arch-<arch>/. Those new directories contains all files/directories of the specified arch. Note that only cris and tile have more directories than only asm: - arch-v[10|32] for cris; - arch for tile. Signed-off-by: Nicolas Dichtel <nicolas.dichtel@6wind.com> Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
2017-05-11uapi: export all headers under uapi directoriesNicolas Dichtel
Regularly, when a new header is created in include/uapi/, the developer forgets to add it in the corresponding Kbuild file. This error is usually detected after the release is out. In fact, all headers under uapi directories should be exported, thus it's useless to have an exhaustive list. After this patch, the following files, which were not exported, are now exported (with make headers_install_all): asm-arc/kvm_para.h asm-arc/ucontext.h asm-blackfin/shmparam.h asm-blackfin/ucontext.h asm-c6x/shmparam.h asm-c6x/ucontext.h asm-cris/kvm_para.h asm-h8300/shmparam.h asm-h8300/ucontext.h asm-hexagon/shmparam.h asm-m32r/kvm_para.h asm-m68k/kvm_para.h asm-m68k/shmparam.h asm-metag/kvm_para.h asm-metag/shmparam.h asm-metag/ucontext.h asm-mips/hwcap.h asm-mips/reg.h asm-mips/ucontext.h asm-nios2/kvm_para.h asm-nios2/ucontext.h asm-openrisc/shmparam.h asm-parisc/kvm_para.h asm-powerpc/perf_regs.h asm-sh/kvm_para.h asm-sh/ucontext.h asm-tile/shmparam.h asm-unicore32/shmparam.h asm-unicore32/ucontext.h asm-x86/hwcap2.h asm-xtensa/kvm_para.h drm/armada_drm.h drm/etnaviv_drm.h drm/vgem_drm.h linux/aspeed-lpc-ctrl.h linux/auto_dev-ioctl.h linux/bcache.h linux/btrfs_tree.h linux/can/vxcan.h linux/cifs/cifs_mount.h linux/coresight-stm.h linux/cryptouser.h linux/fsmap.h linux/genwqe/genwqe_card.h linux/hash_info.h linux/kcm.h linux/kcov.h linux/kfd_ioctl.h linux/lightnvm.h linux/module.h linux/nbd-netlink.h linux/nilfs2_api.h linux/nilfs2_ondisk.h linux/nsfs.h linux/pr.h linux/qrtr.h linux/rpmsg.h linux/sched/types.h linux/sed-opal.h linux/smc.h linux/smc_diag.h linux/stm.h linux/switchtec_ioctl.h linux/vfio_ccw.h linux/wil6210_uapi.h rdma/bnxt_re-abi.h Note that I have removed from this list the files which are generated in every exported directories (like .install or .install.cmd). Thanks to Julien Floret <julien.floret@6wind.com> for the tip to get all subdirs with a pure makefile command. For the record, note that exported files for asm directories are a mix of files listed by: - include/uapi/asm-generic/Kbuild.asm; - arch/<arch>/include/uapi/asm/Kbuild; - arch/<arch>/include/asm/Kbuild. Signed-off-by: Nicolas Dichtel <nicolas.dichtel@6wind.com> Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch> Acked-by: Russell King <rmk+kernel@armlinux.org.uk> Acked-by: Mark Salter <msalter@redhat.com> Acked-by: Michael Ellerman <mpe@ellerman.id.au> (powerpc) Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
2017-05-08Merge tag 'pci-v4.12-changes' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci Pull PCI updates from Bjorn Helgaas: - add framework for supporting PCIe devices in Endpoint mode (Kishon Vijay Abraham I) - use non-postable PCI config space mappings when possible (Lorenzo Pieralisi) - clean up and unify mmap of PCI BARs (David Woodhouse) - export and unify Function Level Reset support (Christoph Hellwig) - avoid FLR for Intel 82579 NICs (Sasha Neftin) - add pci_request_irq() and pci_free_irq() helpers (Christoph Hellwig) - short-circuit config access failures for disconnected devices (Keith Busch) - remove D3 sleep delay when possible (Adrian Hunter) - freeze PME scan before suspending devices (Lukas Wunner) - stop disabling MSI/MSI-X in pci_device_shutdown() (Prarit Bhargava) - disable boot interrupt quirk for ASUS M2N-LR (Stefan Assmann) - add arch-specific alignment control to improve device passthrough by avoiding multiple BARs in a page (Yongji Xie) - add sysfs sriov_drivers_autoprobe to control VF driver binding (Bodong Wang) - allow slots below PCI-to-PCIe "reverse bridges" (Bjorn Helgaas) - fix crashes when unbinding host controllers that don't support removal (Brian Norris) - add driver for MicroSemi Switchtec management interface (Logan Gunthorpe) - add driver for Faraday Technology FTPCI100 host bridge (Linus Walleij) - add i.MX7D support (Andrey Smirnov) - use generic MSI support for Aardvark (Thomas Petazzoni) - make Rockchip driver modular (Brian Norris) - advertise 128-byte Read Completion Boundary support for Rockchip (Shawn Lin) - advertise PCI_EXP_LNKSTA_SLC for Rockchip root port (Shawn Lin) - convert atomic_t to refcount_t in HV driver (Elena Reshetova) - add CPU IRQ affinity in HV driver (K. Y. Srinivasan) - fix PCI bus removal in HV driver (Long Li) - add support for ThunderX2 DMA alias topology (Jayachandran C) - add ThunderX pass2.x 2nd node MCFG quirk (Tomasz Nowicki) - add ITE 8893 bridge DMA alias quirk (Jarod Wilson) - restrict Cavium ACS quirk only to CN81xx/CN83xx/CN88xx devices (Manish Jaggi) * tag 'pci-v4.12-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci: (146 commits) PCI: Don't allow unbinding host controllers that aren't prepared ARM: DRA7: clockdomain: Change the CLKTRCTRL of CM_PCIE_CLKSTCTRL to SW_WKUP MAINTAINERS: Add PCI Endpoint maintainer Documentation: PCI: Add userguide for PCI endpoint test function tools: PCI: Add sample test script to invoke pcitest tools: PCI: Add a userspace tool to test PCI endpoint Documentation: misc-devices: Add Documentation for pci-endpoint-test driver misc: Add host side PCI driver for PCI test function device PCI: Add device IDs for DRA74x and DRA72x dt-bindings: PCI: dra7xx: Add DT bindings to enable unaligned access PCI: dwc: dra7xx: Workaround for errata id i870 dt-bindings: PCI: dra7xx: Add DT bindings for PCI dra7xx EP mode PCI: dwc: dra7xx: Add EP mode support PCI: dwc: dra7xx: Facilitate wrapper and MSI interrupts to be enabled independently dt-bindings: PCI: Add DT bindings for PCI designware EP mode PCI: dwc: designware: Add EP mode support Documentation: PCI: Add binding documentation for pci-test endpoint function ixgbe: Use pcie_flr() instead of duplicating it IB/hfi1: Use pcie_flr() instead of duplicating it PCI: imx6: Fix spelling mistake: "contol" -> "control" ...
2017-05-01Merge branch 'x86-asm-for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull x86 asm updates from Ingo Molnar: "The main changes in this cycle were: - unwinder fixes and enhancements - improve ftrace interaction with the unwinder - optimize the code footprint of WARN() and related debugging constructs - ... plus misc updates, cleanups and fixes" * 'x86-asm-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (24 commits) x86/unwind: Dump all stacks in unwind_dump() x86/unwind: Silence more entry-code related warnings x86/ftrace: Fix ebp in ftrace_regs_caller that screws up unwinder x86/unwind: Remove unused 'sp' parameter in unwind_dump() x86/unwind: Prepend hex mask value with '0x' in unwind_dump() x86/unwind: Properly zero-pad 32-bit values in unwind_dump() x86/unwind: Ensure stack pointer is aligned debug: Avoid setting BUGFLAG_WARNING twice x86/unwind: Silence entry-related warnings x86/unwind: Read stack return address in update_stack_state() x86/unwind: Move common code into update_stack_state() debug: Fix __bug_table[] in arch linker scripts debug: Add _ONCE() logic to report_bug() x86/debug: Define BUG() again for !CONFIG_BUG x86/debug: Implement __WARN() using UD0 x86/ftrace: Use Makefile logic instead of #ifdef for compiling ftrace_*.o x86/ftrace: Add -mfentry support to x86_32 with DYNAMIC_FTRACE set x86/ftrace: Clean up ftrace_regs_caller x86/ftrace: Add stack frame pointer to ftrace_caller x86/ftrace: Move the ftrace specific code out of entry_32.S ...
2017-04-26CONFIG_ARCH_HAS_RAW_COPY_USER is unconditional nowAl Viro
all architectures converted Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2017-04-26Merge branches 'uaccess.alpha', 'uaccess.arc', 'uaccess.arm', ↵Al Viro
'uaccess.arm64', 'uaccess.avr32', 'uaccess.bfin', 'uaccess.c6x', 'uaccess.cris', 'uaccess.frv', 'uaccess.h8300', 'uaccess.hexagon', 'uaccess.ia64', 'uaccess.m32r', 'uaccess.m68k', 'uaccess.metag', 'uaccess.microblaze', 'uaccess.mips', 'uaccess.mn10300', 'uaccess.nios2', 'uaccess.openrisc', 'uaccess.parisc', 'uaccess.powerpc', 'uaccess.s390', 'uaccess.score', 'uaccess.sh', 'uaccess.sparc', 'uaccess.tile', 'uaccess.um', 'uaccess.unicore32', 'uaccess.x86' and 'uaccess.xtensa' into work.uaccess
2017-04-20cris/PCI: Use generic pci_mmap_resource_range()David Woodhouse
Signed-off-by: David Woodhouse <dwmw@amazon.co.uk> Signed-off-by: Bjorn Helgaas <bhelgaas@google.com> Acked-by: Jesper Nilsson <jesper.nilsson@axis.com>
2017-04-20PCI: Add BAR index argument to pci_mmap_page_range()David Woodhouse
In all cases we know which BAR it is. Passing it in means that arch code (or generic code; watch this space) won't have to go looking for it again. Signed-off-by: David Woodhouse <dwmw@amazon.co.uk> Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
2017-04-18PCI: Move multiple declarations of pci_mmap_page_range() to <linux/pci.h>David Woodhouse
We can declare it <linux/pci.h> even on platforms where it isn't going to be defined. There's no need to have it littered through the various <asm/pci.h> files. Signed-off-by: David Woodhouse <dwmw@amazon.co.uk> Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
2017-04-03debug: Fix __bug_table[] in arch linker scriptsPeter Zijlstra
The kbuild test robot reported this build failure on a number of architectures: > make.cross ARCH=arm > lib/lib.a(bug.o): In function `find_bug': > >> lib/bug.c:135: undefined reference to `__start___bug_table' > >> lib/bug.c:135: undefined reference to `__stop___bug_table' Caused by: 19d436268dde ("debug: Add _ONCE() logic to report_bug()") Which moved the BUG_TABLE from RO_DATA_SECTION() to RW_DATA_SECTION(), but a number of architectures don't use RW_DATA_SECTION(), so they ended up with no __bug_table[] ... Ideally all those would use RW_DATA_SECTION() in their linker scripts, but that's for another day. Signed-off-by: Peter Zijlstra <peterz@infradead.org> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: kbuild test robot <fengguang.wu@intel.com> Cc: kbuild-all@01.org Cc: tipbuild@zytor.com Link: http://lkml.kernel.org/r/20170330154927.o6qmgfp4bdhrajbm@hirez.programming.kicks-ass.net Signed-off-by: Ingo Molnar <mingo@kernel.org>
2017-04-02Merge branch 'parisc-4.11-3' of ↵Al Viro
git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux into uaccess.parisc
2017-03-28cris: switch to RAW_COPY_USERAl Viro
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2017-03-28cris: rename __copy_user_zeroing to __copy_user_inAl Viro
... now that it doesn't zero anymore Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2017-03-28cris: get rid of zeroingAl Viro
... the rest of it Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2017-03-28cris: get rid of zeroing in __asm_copy_from_user_N for N > 4Al Viro
only one user for those Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2017-03-28cris: don't rely upon __copy_user_zeroing() zeroing the tailAl Viro
we want to get rid of it; unfortunately, it's tangled as hell, so it'll take many steps, more's the pity. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2017-03-28cris: switch to generic extable.hAl Viro
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2017-03-28new helper: uaccess_kernel()Al Viro
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2017-03-10Merge branch 'prep-for-5level'Linus Torvalds
Merge 5-level page table prep from Kirill Shutemov: "Here's relatively low-risk part of 5-level paging patchset. Merging it now will make x86 5-level paging enabling in v4.12 easier. The first patch is actually x86-specific: detect 5-level paging support. It boils down to single define. The rest of patchset converts Linux MMU abstraction from 4- to 5-level paging. Enabling of new abstraction in most cases requires adding single line of code in arch-specific code. The rest is taken care by asm-generic/. Changes to mm/ code are mostly mechanical: add support for new page table level -- p4d_t -- where we deal with pud_t now. v2: - fix build on microblaze (Michal); - comment for __ARCH_HAS_5LEVEL_HACK in kasan_populate_zero_shadow(); - acks from Michal" * emailed patches from Kirill A Shutemov <kirill.shutemov@linux.intel.com>: mm: introduce __p4d_alloc() mm: convert generic code to 5-level paging asm-generic: introduce <asm-generic/pgtable-nop4d.h> arch, mm: convert all architectures to use 5level-fixup.h asm-generic: introduce __ARCH_USE_5LEVEL_HACK asm-generic: introduce 5level-fixup.h x86/cpufeature: Add 5-level paging detection
2017-03-09scripts/spelling.txt: add "disble(d)" pattern and fix typo instancesMasahiro Yamada
Fix typos and add the following to the scripts/spelling.txt: disble||disable disbled||disabled I kept the TSL2563_INT_DISBLED in /drivers/iio/light/tsl2563.c untouched. The macro is not referenced at all, but this commit is touching only comment blocks just in case. Link: http://lkml.kernel.org/r/1481573103-11329-20-git-send-email-yamada.masahiro@socionext.com Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2017-03-09arch, mm: convert all architectures to use 5level-fixup.hKirill A. Shutemov
If an architecture uses 4level-fixup.h we don't need to do anything as it includes 5level-fixup.h. If an architecture uses pgtable-nop*d.h, define __ARCH_USE_5LEVEL_HACK before inclusion of the header. It makes asm-generic code to use 5level-fixup.h. If an architecture has 4-level paging or folds levels on its own, include 5level-fixup.h directly. Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com> Acked-by: Michal Hocko <mhocko@suse.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2017-03-08mtd: nand: Kill the MTD_NAND_IDS Kconfig optionBoris Brezillon
MTD_NAND_IDS is selected by MTD_NAND, which makes it useless. Remove the Kconfig option and link nand_ids.o into the nand.o object file. Doing that also prevents creating an extra nand_ids.ko module when MTD_NAND is activated as a module. Since nand_ids.c is no longer compiled as a standalone module and the nand_manuf_ids/nand_flash_ids symbols are only used in nand_base.c, we can get rid of the MODULE_XXX() and EXPORT_SYMBOL() definitions. Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
2017-03-05uaccess: drop pointless ifdefsAl Viro
None of those file is ever included from uapi stuff, so __KERNEL__ is always defined. None of them is ever included from assembler (they are only pulled from linux/uaccess.h, which _can't_ be included from assembler), so __ASSEMBLY__ is never defined. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2017-03-05uaccess: drop duplicate includes from asm/uaccess.hAl Viro
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2017-03-05uaccess: move VERIFY_{READ,WRITE} definitions to linux/uaccess.hAl Viro
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2017-03-02sched/headers: Prepare to remove the <linux/mm_types.h> dependency from ↵Ingo Molnar
<linux/sched.h> Update code that relied on sched.h including various MM types for them. This will allow us to remove the <linux/mm_types.h> include from <linux/sched.h>. Acked-by: Linus Torvalds <torvalds@linux-foundation.org> Cc: Mike Galbraith <efault@gmx.de> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: linux-kernel@vger.kernel.org Signed-off-by: Ingo Molnar <mingo@kernel.org>
2017-03-02sched/headers: Prepare for new header dependencies before moving code to ↵Ingo Molnar
<linux/sched/task_stack.h> We are going to split <linux/sched/task_stack.h> out of <linux/sched.h>, which will have to be picked up from other headers and a couple of .c files. Create a trivial placeholder <linux/sched/task_stack.h> file that just maps to <linux/sched.h> to make this patch obviously correct and bisectable. Include the new header in the files that are going to need it. Acked-by: Linus Torvalds <torvalds@linux-foundation.org> Cc: Mike Galbraith <efault@gmx.de> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: linux-kernel@vger.kernel.org Signed-off-by: Ingo Molnar <mingo@kernel.org>
2017-03-02sched/headers: Prepare for new header dependencies before moving code to ↵Ingo Molnar
<linux/sched/task.h> We are going to split <linux/sched/task.h> out of <linux/sched.h>, which will have to be picked up from other headers and a couple of .c files. Create a trivial placeholder <linux/sched/task.h> file that just maps to <linux/sched.h> to make this patch obviously correct and bisectable. Include the new header in the files that are going to need it. Acked-by: Linus Torvalds <torvalds@linux-foundation.org> Cc: Mike Galbraith <efault@gmx.de> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: linux-kernel@vger.kernel.org Signed-off-by: Ingo Molnar <mingo@kernel.org>
2017-03-02sched/headers: Prepare for new header dependencies before moving code to ↵Ingo Molnar
<linux/sched/debug.h> We are going to split <linux/sched/debug.h> out of <linux/sched.h>, which will have to be picked up from other headers and a couple of .c files. Create a trivial placeholder <linux/sched/debug.h> file that just maps to <linux/sched.h> to make this patch obviously correct and bisectable. Include the new header in the files that are going to need it. Acked-by: Linus Torvalds <torvalds@linux-foundation.org> Cc: Mike Galbraith <efault@gmx.de> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: linux-kernel@vger.kernel.org Signed-off-by: Ingo Molnar <mingo@kernel.org>
2017-03-02sched/headers: Prepare to move signal wakeup & sigpending methods from ↵Ingo Molnar
<linux/sched.h> into <linux/sched/signal.h> Fix up affected files that include this signal functionality via sched.h. Acked-by: Linus Torvalds <torvalds@linux-foundation.org> Cc: Mike Galbraith <efault@gmx.de> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: linux-kernel@vger.kernel.org Signed-off-by: Ingo Molnar <mingo@kernel.org>
2017-03-02sched/headers: Prepare for new header dependencies before moving code to ↵Ingo Molnar
<linux/sched/signal.h> We are going to split <linux/sched/signal.h> out of <linux/sched.h>, which will have to be picked up from other headers and a couple of .c files. Create a trivial placeholder <linux/sched/signal.h> file that just maps to <linux/sched.h> to make this patch obviously correct and bisectable. Include the new header in the files that are going to need it. Acked-by: Linus Torvalds <torvalds@linux-foundation.org> Cc: Mike Galbraith <efault@gmx.de> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: linux-kernel@vger.kernel.org Signed-off-by: Ingo Molnar <mingo@kernel.org>
2017-03-02sched/headers: Prepare for new header dependencies before moving code to ↵Ingo Molnar
<linux/sched/clock.h> We are going to split <linux/sched/clock.h> out of <linux/sched.h>, which will have to be picked up from other headers and .c files. Create a trivial placeholder <linux/sched/clock.h> file that just maps to <linux/sched.h> to make this patch obviously correct and bisectable. Include the new header in the files that are going to need it. Acked-by: Linus Torvalds <torvalds@linux-foundation.org> Cc: Mike Galbraith <efault@gmx.de> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: linux-kernel@vger.kernel.org Signed-off-by: Ingo Molnar <mingo@kernel.org>
2017-02-27kprobes: move kprobe declarations to asm-generic/kprobes.hLuis R. Rodriguez
Often all is needed is these small helpers, instead of compiler.h or a full kprobes.h. This is important for asm helpers, in fact even some asm/kprobes.h make use of these helpers... instead just keep a generic asm file with helpers useful for asm code with the least amount of clutter as possible. Likewise we need now to also address what to do about this file for both when architectures have CONFIG_HAVE_KPROBES, and when they do not. Then for when architectures have CONFIG_HAVE_KPROBES but have disabled CONFIG_KPROBES. Right now most asm/kprobes.h do not have guards against CONFIG_KPROBES, this means most architecture code cannot include asm/kprobes.h safely. Correct this and add guards for architectures missing them. Additionally provide architectures that not have kprobes support with the default asm-generic solution. This lets us force asm/kprobes.h on the header include/linux/kprobes.h always, but most importantly we can now safely include just asm/kprobes.h on architecture code without bringing the full kitchen sink of header files. Two architectures already provided a guard against CONFIG_KPROBES on its kprobes.h: sh, arch. The rest of the architectures needed gaurds added. We avoid including any not-needed headers on asm/kprobes.h unless kprobes have been enabled. In a subsequent atomic change we can try now to remove compiler.h from include/linux/kprobes.h. During this sweep I've also identified a few architectures defining a common macro needed for both kprobes and ftrace, that of the definition of the breakput instruction up. Some refer to this as BREAKPOINT_INSTRUCTION. This must be kept outside of the #ifdef CONFIG_KPROBES guard. [mcgrof@kernel.org: fix arm64 build] Link: http://lkml.kernel.org/r/CAB=NE6X1WMByuARS4mZ1g9+W=LuVBnMDnh_5zyN0CLADaVh=Jw@mail.gmail.com [sfr@canb.auug.org.au: fixup for kprobes declarations moving] Link: http://lkml.kernel.org/r/20170214165933.13ebd4f4@canb.auug.org.au Link: http://lkml.kernel.org/r/20170203233139.32682-1-mcgrof@kernel.org Signed-off-by: Luis R. Rodriguez <mcgrof@kernel.org> Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au> Acked-by: Masami Hiramatsu <mhiramat@kernel.org> Cc: Arnd Bergmann <arnd@arndb.de> Cc: Masami Hiramatsu <mhiramat@kernel.org> Cc: Ananth N Mavinakayanahalli <ananth@linux.vnet.ibm.com> Cc: Anil S Keshavamurthy <anil.s.keshavamurthy@intel.com> Cc: David S. Miller <davem@davemloft.net> Cc: Ingo Molnar <mingo@kernel.org> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: H. Peter Anvin <hpa@zytor.com> Cc: Andy Lutomirski <luto@kernel.org> Cc: Steven Rostedt <rostedt@goodmis.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>