- 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
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Merge tag 'kbuild-v4.13-2' of 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
...
Convert 'u8 inline' to 'inline u8' to be the same style used by the rest
of the kernel.
Miscellanea:
jornada_ssp_reverse is an odd function.
It is declared inline but is also EXPORT_SYMBOL.
It is also apparently only used by jornada720_ssp.c
Likely the EXPORT_SYMBOL could be removed and the function
converted to static.
The addition of static and removal of EXPORT_SYMBOL was not done.
Link: http://lkml.kernel.org/r/5bd3b2bf39c6c9caf773949f18158f8f5ec08582.1499284835.git.joe@perches.com
Signed-off-by: Joe Perches <joe@perches.com>
Cc: Russell King <linux@armlinux.org.uk>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
asmlinkage is either 'extern "C"' or blank.
Move the uses of asmlinkage before the return types to be similar
to the rest of the kernel.
Link: http://lkml.kernel.org/r/005b8e120650c6a13b541e420f4e3605603fe9e6.1499284835.git.joe@perches.com
Signed-off-by: Joe Perches <joe@perches.com>
Cc: Christoffer Dall <christoffer.dall@linaro.org>
Cc: Marc Zyngier <marc.zyngier@arm.com>
Cc: Paolo Bonzini <pbonzini@redhat.com>
Cc: Radim Krcmar <rkrcmar@redhat.com>
Cc: Russell King <linux@armlinux.org.uk>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Now that explicitly executed loaders are loaded in the mmap region, we
have more freedom to decide where we position PIE binaries in the
address space to avoid possible collisions with mmap or stack regions.
4MB is chosen here mainly to have parity with x86, where this is the
traditional minimum load location, likely to avoid historically
requiring a 4MB page table entry when only a portion of the first 4MB
would be used (since the NULL address is avoided).
For ARM the position could be 0x8000, the standard ET_EXEC load address,
but that is needlessly close to the NULL address, and anyone running PIE
on 32-bit ARM will have an MMU, so the tight mapping is not needed.
Link: http://lkml.kernel.org/r/1498154792-49952-2-git-send-email-keescook@chromium.org
Signed-off-by: Kees Cook <keescook@chromium.org>
Cc: Russell King <linux@armlinux.org.uk>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Will Deacon <will.deacon@arm.com>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: Martin Schwidefsky <schwidefsky@de.ibm.com>
Cc: Heiko Carstens <heiko.carstens@de.ibm.com>
Cc: James Hogan <james.hogan@imgtec.com>
Cc: Pratyush Anand <panand@redhat.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Cc: Alexander Viro <viro@zeniv.linux.org.uk>
Cc: Andy Lutomirski <luto@amacapital.net>
Cc: Daniel Micay <danielmicay@gmail.com>
Cc: Dmitry Safonov <dsafonov@virtuozzo.com>
Cc: Grzegorz Andrejczuk <grzegorz.andrejczuk@intel.com>
Cc: Kees Cook <keescook@chromium.org>
Cc: Masahiro Yamada <yamada.masahiro@socionext.com>
Cc: Qualys Security Advisory <qsa@qualys.com>
Cc: Rik van Riel <riel@redhat.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Commit 7dd968163f ("bitmap: bitmap_equal memcmp optimization") was
rather more restrictive than necessary; we can use memcmp() to implement
bitmap_equal() as long as the number of bits can be proved to be a
multiple of 8. And architectures other than s390 may be able to make
good use of this optimisation.
[arnd@arndb.de: fix build: add a memcmp() declaration]
Link: http://lkml.kernel.org/r/20170630153908.3439707-1-arnd@arndb.de
Link: http://lkml.kernel.org/r/20170628153221.11322-5-willy@infradead.org
Signed-off-by: Matthew Wilcox <mawilcox@microsoft.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Rasmus Villemoes <linux@rasmusvillemoes.dk>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
The global variable 'rd_size' is declared as 'int' in source file
arch/arm/kernel/atags_parse.c and as 'unsigned long' in
drivers/block/brd.c. Fix this inconsistency.
Additionally, remove the declarations of rd_image_start, rd_prompt and
rd_doload from parse_tag_ramdisk() since these duplicate existing
declarations in <linux/initrd.h>.
Link: http://lkml.kernel.org/r/20170627065024.12347-1-bart.vanassche@wdc.com
Signed-off-by: Bart Van Assche <bart.vanassche@sandisk.com>
Acked-by: Russell King <rmk+kernel@armlinux.org.uk>
Cc: Jens Axboe <axboe@kernel.dk>
Cc: Jan Kara <jack@suse.cz>
Cc: Jason Yan <yanaijie@huawei.com>
Cc: Zhaohongjiang <zhaohongjiang@huawei.com>
Cc: Miao Xie <miaoxie@huawei.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Since commit 97ad2bdcbe ("ARM/PCI: Convert PCI scan API to
pci_scan_root_bus_bridge()") the space for struct pci_sys_data is allocated
by pci_alloc_host_bridge() as part of the struct pci_host_bridge.
Therefore, failure paths must deallocate the entire pci_host_bridge by
using pci_free_host_bridge().
Fixes: 97ad2bdcbe ("ARM/PCI: Convert PCI scan API to pci_scan_root_bus_bridge()")
Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
[bhelgaas: changelog]
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Cc: Jason Cooper <jason@lakedaemon.net>
Cc: Russell King <linux@armlinux.org.uk>
Cc: Andrew Lunn <andrew@lunn.ch>
Since commit fcc8487d47 ("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.
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
- removal of AVR32 support in dw driver as AVR32 is gone
- new driver for Broadcom stream buffer accelerator (SBA) RAID driver
- add support for Faraday Technology FTDMAC020 in amba-pl08x driver
- IOMMU support in pl330 driver
- updates to bunch of drivers
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Merge tag 'dmaengine-4.13-rc1' of git://git.infradead.org/users/vkoul/slave-dma
Pull dmaengine updates from Vinod Koul:
- removal of AVR32 support in dw driver as AVR32 is gone
- new driver for Broadcom stream buffer accelerator (SBA) RAID driver
- add support for Faraday Technology FTDMAC020 in amba-pl08x driver
- IOMMU support in pl330 driver
- updates to bunch of drivers
* tag 'dmaengine-4.13-rc1' of git://git.infradead.org/users/vkoul/slave-dma: (36 commits)
dmaengine: qcom_hidma: correct API violation for submit
dmaengine: zynqmp_dma: Remove max len check in zynqmp_dma_prep_memcpy
dmaengine: tegra-apb: Really fix runtime-pm usage
dmaengine: fsl_raid: make of_device_ids const.
dmaengine: qcom_hidma: allow ACPI/DT parameters to be overridden
dmaengine: fsldma: set BWC, DAHTS and SAHTS values correctly
dmaengine: Kconfig: Simplify the help text for MXS_DMA
dmaengine: pl330: Delete unused functions
dmaengine: Replace WARN_TAINT_ONCE() with pr_warn_once()
dmaengine: Kconfig: Extend the dependency for MXS_DMA
dmaengine: mxs: Use %zu for printing a size_t variable
dmaengine: ste_dma40: Cleanup scatterlist layering violations
dmaengine: imx-dma: cleanup scatterlist layering violations
dmaengine: use proper name for the R-Car SoC
dmaengine: imx-sdma: Fix compilation warning.
dmaengine: imx-sdma: Handle return value of clk_prepare_enable
dmaengine: pl330: Add IOMMU support to slave tranfers
dmaengine: DW DMAC: Handle return value of clk_prepare_enable
dmaengine: pl08x: use GENMASK() to create bitmasks
dmaengine: pl08x: Add support for Faraday Technology FTDMAC020
...
Pull ARM updates from Russell King:
- add support for ftrace-with-registers, which is needed for kgraft and
other ftrace tools
- support for mremap() for the sigpage/vDSO so that checkpoint/restore
can work
- add timestamps to each line of the register dump output
- remove the unused KTHREAD_SIZE from nommu
- align the ARM bitops APIs with the generic API (using unsigned long
pointers rather than void pointers)
- make the configuration of userspace Thumb support an expert option so
that we can default it on, and avoid some hard to debug userspace
crashes
* 'for-linus' of git://git.armlinux.org.uk/~rmk/linux-arm:
ARM: 8684/1: NOMMU: Remove unused KTHREAD_SIZE definition
ARM: 8683/1: ARM32: Support mremap() for sigpage/vDSO
ARM: 8679/1: bitops: Align prototypes to generic API
ARM: 8678/1: ftrace: Adds support for CONFIG_DYNAMIC_FTRACE_WITH_REGS
ARM: make configuration of userspace Thumb support an expert option
ARM: 8673/1: Fix __show_regs output timestamps
Core:
- Export add/remove for lookup tables so that modules can export GPIO
descriptor tables.
- Handle GPIO sleep states: it is now possible to flag that a GPIO line
may loose its state during suspend/resume of the system to save
power. This is used in the Wolfson Micro Arizona driver.
- ACPI-based GPIO was tightened up a lot around the edges.
- Use bitmap_fill() to speed up a loop.
New drivers:
- Exar XRA1403 SPI-based GPIO.
- MVEBU driver now supports Armada 7K and 8K.
- LP87565 PMIC GPIO.
- Renesas R-CAR R8A7743 (RZ/G1M).
- The new IOT2040 8250 serial/GPIO also comes in through this
changeset.
Substantial driver changes:
- Seriously fix the Exar 8250 GPIO portions to work.
- The MCP23S08 was moved out to a pin control driver.
- Convert MEVEBU to use regmap for register access.
- Drop Vulcan support from the Broadcom driver.
- Serious cleanup and improvement of the mockup driver, giving us a
better test coverage.
Misc:
- Lots of janitorial clean up.
- A bunch of documentation fixes.
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Merge tag 'gpio-v4.13-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio
Pull GPIO updates from Linus Walleij:
"This is the bulk of GPIO changes for the v4.13 series.
Some administrativa:
I have a slew of 8250 serial patches and the new IOT2040 serial+GPIO
driver coming in through this tree, along with a whole bunch of Exar
8250 fixes. These are ACKed by Greg and also hit drivers/platform/*
where they are ACKed by Andy Shevchenko.
Speaking about drivers/platform/* there is also a bunch of ACPI stuff
coming through that route, again ACKed by Andy.
The MCP23S08 changes are coming in here as well. You already have the
commits in your tree, so this is just a result of sharing an immutable
branch between pin control and GPIO.
Core:
- Export add/remove for lookup tables so that modules can export GPIO
descriptor tables.
- Handle GPIO sleep states: it is now possible to flag that a GPIO
line may loose its state during suspend/resume of the system to
save power. This is used in the Wolfson Micro Arizona driver.
- ACPI-based GPIO was tightened up a lot around the edges.
- Use bitmap_fill() to speed up a loop.
New drivers:
- Exar XRA1403 SPI-based GPIO.
- MVEBU driver now supports Armada 7K and 8K.
- LP87565 PMIC GPIO.
- Renesas R-CAR R8A7743 (RZ/G1M).
- The new IOT2040 8250 serial/GPIO also comes in through this
changeset.
Substantial driver changes:
- Seriously fix the Exar 8250 GPIO portions to work.
- The MCP23S08 was moved out to a pin control driver.
- Convert MEVEBU to use regmap for register access.
- Drop Vulcan support from the Broadcom driver.
- Serious cleanup and improvement of the mockup driver, giving us a
better test coverage.
Misc:
- Lots of janitorial clean up.
- A bunch of documentation fixes"
* tag 'gpio-v4.13-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio: (70 commits)
serial: exar: Add support for IOT2040 device
gpio-exar/8250-exar: Make set of exported GPIOs configurable
platform: Accept const properties
serial: exar: Factor out platform hooks
gpio-exar/8250-exar: Rearrange gpiochip parenthood
gpio: exar: Fix iomap request
gpio-exar/8250-exar: Do not even instantiate a GPIO device for Commtech cards
serial: uapi: Add support for bus termination
gpio: rcar: Add R8A7743 (RZ/G1M) support
gpio: gpio-wcove: Fix GPIO control register offset calculation
gpio: lp87565: Add support for GPIO
gpio: dwapb: fix missing first irq for edgeboth irq type
MAINTAINERS: Take maintainership for GPIO ACPI support
gpio: exar: Fix reading of directions and values
gpio: exar: Allocate resources on behalf of the platform device
gpio-exar/8250-exar: Fix passing in of parent PCI device
gpio: mockup: use devm_kcalloc() where applicable
gpio: mockup: add myself as author
gpio: mockup: improve the error message
gpio: mockup: don't return magic numbers from probe()
...
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()
In this new subsystem we'll try to properly maintain all the generic
code related to dma-mapping, and will further consolidate arch code
into common helpers.
This pull request contains:
- removal of the DMA_ERROR_CODE macro, replacing it with calls
to ->mapping_error so that the dma_map_ops instances are
more self contained and can be shared across architectures (me)
- removal of the ->set_dma_mask method, which duplicates the
->dma_capable one in terms of functionality, but requires more
duplicate code.
- various updates for the coherent dma pool and related arm code
(Vladimir)
- various smaller cleanups (me)
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Merge tag 'dma-mapping-4.13' of git://git.infradead.org/users/hch/dma-mapping
Pull dma-mapping infrastructure from Christoph Hellwig:
"This is the first pull request for the new dma-mapping subsystem
In this new subsystem we'll try to properly maintain all the generic
code related to dma-mapping, and will further consolidate arch code
into common helpers.
This pull request contains:
- removal of the DMA_ERROR_CODE macro, replacing it with calls to
->mapping_error so that the dma_map_ops instances are more self
contained and can be shared across architectures (me)
- removal of the ->set_dma_mask method, which duplicates the
->dma_capable one in terms of functionality, but requires more
duplicate code.
- various updates for the coherent dma pool and related arm code
(Vladimir)
- various smaller cleanups (me)"
* tag 'dma-mapping-4.13' of git://git.infradead.org/users/hch/dma-mapping: (56 commits)
ARM: dma-mapping: Remove traces of NOMMU code
ARM: NOMMU: Set ARM_DMA_MEM_BUFFERABLE for M-class cpus
ARM: NOMMU: Introduce dma operations for noMMU
drivers: dma-mapping: allow dma_common_mmap() for NOMMU
drivers: dma-coherent: Introduce default DMA pool
drivers: dma-coherent: Account dma_pfn_offset when used with device tree
dma: Take into account dma_pfn_offset
dma-mapping: replace dmam_alloc_noncoherent with dmam_alloc_attrs
dma-mapping: remove dmam_free_noncoherent
crypto: qat - avoid an uninitialized variable warning
au1100fb: remove a bogus dma_free_nonconsistent call
MAINTAINERS: add entry for dma mapping helpers
powerpc: merge __dma_set_mask into dma_set_mask
dma-mapping: remove the set_dma_mask method
powerpc/cell: use the dma_supported method for ops switching
powerpc/cell: clean up fixed mapping dma_ops initialization
tile: remove dma_supported and mapping_error methods
xen-swiotlb: remove xen_swiotlb_set_dma_mask
arm: implement ->dma_supported instead of ->set_dma_mask
mips/loongson64: implement ->dma_supported instead of ->set_dma_mask
...
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Merge tag 'for-linus-4.13-rc1-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip
Pull xen updates from Juergen Gross:
"Other than fixes and cleanups it contains:
- support > 32 VCPUs at domain restore
- support for new sysfs nodes related to Xen
- some performance tuning for Linux running as Xen guest"
* tag 'for-linus-4.13-rc1-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip:
x86/xen: allow userspace access during hypercalls
x86: xen: remove unnecessary variable in xen_foreach_remap_area()
xen: allocate page for shared info page from low memory
xen: avoid deadlock in xenbus driver
xen: add sysfs node for hypervisor build id
xen: sync include/xen/interface/version.h
xen: add sysfs node for guest type
doc,xen: document hypervisor sysfs nodes for xen
xen/vcpu: Handle xen_vcpu_setup() failure at boot
xen/vcpu: Handle xen_vcpu_setup() failure in hotplug
xen/pv: Fix OOPS on restore for a PV, !SMP domain
xen/pvh*: Support > 32 VCPUs at domain restore
xen/vcpu: Simplify xen_vcpu related code
xen-evtchn: Bind dyn evtchn:qemu-dm interrupt to next online VCPU
xen: avoid type warning in xchg_xen_ulong
xen: fix HYPERVISOR_dm_op() prototype
xen: don't print error message in case of missing Xenstore entry
arm/xen: Adjust one function call together with a variable assignment
arm/xen: Delete an error message for a failed memory allocation in __set_phys_to_machine_multi()
arm/xen: Improve a size determination in __set_phys_to_machine_multi()
- Better machine check handling for HV KVM
- Ability to support guests with threads=2, 4 or 8 on POWER9
- Fix for a race that could cause delayed recognition of signals
- Fix for a bug where POWER9 guests could sleep with interrupts pending.
ARM:
- VCPU request overhaul
- allow timer and PMU to have their interrupt number selected from userspace
- workaround for Cavium erratum 30115
- handling of memory poisonning
- the usual crop of fixes and cleanups
s390:
- initial machine check forwarding
- migration support for the CMMA page hinting information
- cleanups and fixes
x86:
- nested VMX bugfixes and improvements
- more reliable NMI window detection on AMD
- APIC timer optimizations
Generic:
- VCPU request overhaul + documentation of common code patterns
- kvm_stat improvements
There is a small conflict in arch/s390 due to an arch-wide field rename.
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm
Pull KVM updates from Paolo Bonzini:
"PPC:
- Better machine check handling for HV KVM
- Ability to support guests with threads=2, 4 or 8 on POWER9
- Fix for a race that could cause delayed recognition of signals
- Fix for a bug where POWER9 guests could sleep with interrupts pending.
ARM:
- VCPU request overhaul
- allow timer and PMU to have their interrupt number selected from userspace
- workaround for Cavium erratum 30115
- handling of memory poisonning
- the usual crop of fixes and cleanups
s390:
- initial machine check forwarding
- migration support for the CMMA page hinting information
- cleanups and fixes
x86:
- nested VMX bugfixes and improvements
- more reliable NMI window detection on AMD
- APIC timer optimizations
Generic:
- VCPU request overhaul + documentation of common code patterns
- kvm_stat improvements"
* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm: (124 commits)
Update my email address
kvm: vmx: allow host to access guest MSR_IA32_BNDCFGS
x86: kvm: mmu: use ept a/d in vmcs02 iff used in vmcs12
kvm: x86: mmu: allow A/D bits to be disabled in an mmu
x86: kvm: mmu: make spte mmio mask more explicit
x86: kvm: mmu: dead code thanks to access tracking
KVM: PPC: Book3S: Fix typo in XICS-on-XIVE state saving code
KVM: PPC: Book3S HV: Close race with testing for signals on guest entry
KVM: PPC: Book3S HV: Simplify dynamic micro-threading code
KVM: x86: remove ignored type attribute
KVM: LAPIC: Fix lapic timer injection delay
KVM: lapic: reorganize restart_apic_timer
KVM: lapic: reorganize start_hv_timer
kvm: nVMX: Check memory operand to INVVPID
KVM: s390: Inject machine check into the nested guest
KVM: s390: Inject machine check into the guest
tools/kvm_stat: add new interactive command 'b'
tools/kvm_stat: add new command line switch '-i'
tools/kvm_stat: fix error on interactive command 'g'
KVM: SVM: suppress unnecessary NMI singlestep on GIF=0 and nested exit
...
Core:
- The documentation is moved over to RST.
- We now have agreed bindings for enabling input and output
buffers without actually enabling input and/or output on a
pin. We are chiseling out some details of pin control
electronics.
New drivers:
- ZTE ZX
- Renesas RZA1
- MIPS Ingenic JZ47xx: also switch over existing drivers in the
tree to use this pin controller and consolidate earlier
spread out code.
- Microschip MCP23S08: this driver is migrated from the GPIO
subsystem and totally rewritten to use proper pin control.
All users are switched over.
New subdrivers:
- Renesas R8A7743 and R8A7745.
- Allwinner Sunxi A83T R_PIO.
- Marvell MVEBU Armada CP110 and AP806.
- Intel Cannon Lake PCH.
- Qualcomm IPQ8074.
Notable improvements:
- IRQ support on the Marvell MVEBU Armada 37xx.
- Meson driver supports HDMI CEC, AO, I2S, SPDIF and PWM.
- Rockchip driver now supports iomux-route switching for
RK3228, RK3328 and RK3399.
- Rockchip A10 and A20 are merged into a single driver.
- STM32 has improved GPIO support.
- Samsung Exynos drivers are split per ARMv7 and ARMv8.
- Marvell MVEBU is converted to use regmap for register
access.
Maintenance:
- Several Renesas SH-PFC refactorings and updates.
- Serious code size cut for Mediatek MT7623.
- Misc janitorial and MAINTAINERS fixes.
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Merge tag 'pinctrl-v4.13-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl
Pull pin control updates from Linus Walleij:
"This is the big bulk of pin control changes for the v4.13 series:
Core:
- The documentation is moved over to RST.
- We now have agreed bindings for enabling input and output buffers
without actually enabling input and/or output on a pin. We are
chiseling out some details of pin control electronics.
New drivers:
- ZTE ZX
- Renesas RZA1
- MIPS Ingenic JZ47xx: also switch over existing drivers in the tree
to use this pin controller and consolidate earlier spread out code.
- Microschip MCP23S08: this driver is migrated from the GPIO
subsystem and totally rewritten to use proper pin control. All
users are switched over.
New subdrivers:
- Renesas R8A7743 and R8A7745.
- Allwinner Sunxi A83T R_PIO.
- Marvell MVEBU Armada CP110 and AP806.
- Intel Cannon Lake PCH.
- Qualcomm IPQ8074.
Notable improvements:
- IRQ support on the Marvell MVEBU Armada 37xx.
- Meson driver supports HDMI CEC, AO, I2S, SPDIF and PWM.
- Rockchip driver now supports iomux-route switching for RK3228,
RK3328 and RK3399.
- Rockchip A10 and A20 are merged into a single driver.
- STM32 has improved GPIO support.
- Samsung Exynos drivers are split per ARMv7 and ARMv8.
- Marvell MVEBU is converted to use regmap for register access.
Maintenance:
- Several Renesas SH-PFC refactorings and updates.
- Serious code size cut for Mediatek MT7623.
- Misc janitorial and MAINTAINERS fixes"
* tag 'pinctrl-v4.13-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl: (137 commits)
pinctrl: samsung: Remove bogus irq_[un]mask from resource management
pinctrl: rza1: make structures rza1_gpiochip_template and rza1_pinmux_ops static
pinctrl: rza1: Remove unneeded wrong check for wrong variable
pinctrl: qcom: Add ipq8074 pinctrl driver
pinctrl: freescale: imx7d: make of_device_ids const.
pinctrl: DT: extend the pinmux property to support integers array
pinctrl: generic: Add output-enable property
pinctrl: armada-37xx: Fix number of pin in sdio_sb
pinctrl: armada-37xx: Fix uart2 group selection register mask
pinctrl: bcm2835: Avoid warning from __irq_do_set_handler
pinctrl: sh-pfc: r8a7795: Add PWM support
MAINTAINERS: Add Qualcomm pinctrl drivers section
arm: dts: dt-bindings: Add Renesas RZ/A1 pinctrl header
dt-bindings: pinctrl: Add RZ/A1 bindings doc
pinctrl: Renesas RZ/A1 pin and gpio controller
pinctrl: sh-pfc: r8a7792: Add SCIF1 and SCIF2 pin groups
pinctrl.txt: move it to the driver-api book
pinctrl: ingenic: checking for NULL instead of IS_ERR()
pinctrl: uniphier: fix WARN_ON() of pingroups dump on LD20
pinctrl: uniphier: fix WARN_ON() of pingroups dump on LD11
...
- typo fix in Kconfig (Jean Delvare)
- randstruct infrastructure
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Merge tag 'gcc-plugins-v4.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux
Pull GCC plugin updates from Kees Cook:
"The big part is the randstruct plugin infrastructure.
This is the first of two expected pull requests for randstruct since
there are dependencies in other trees that would be easier to merge
once those have landed. Notably, the IPC allocation refactoring in
-mm, and many trivial merge conflicts across several trees when
applying the __randomize_layout annotation.
As a result, it seemed like I should send this now since it is
relatively self-contained, and once the rest of the trees have landed,
send the annotation patches. I'm expecting the final phase of
randstruct (automatic struct selection) will land for v4.14, but if
its other tree dependencies actually make it for v4.13, I can send
that merge request too.
Summary:
- typo fix in Kconfig (Jean Delvare)
- randstruct infrastructure"
* tag 'gcc-plugins-v4.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux:
ARM: Prepare for randomized task_struct
randstruct: Whitelist NIU struct page overloading
randstruct: Whitelist big_key path struct overloading
randstruct: Whitelist UNIXCB cast
randstruct: Whitelist struct security_hook_heads cast
gcc-plugins: Add the randstruct plugin
Fix English in description of GCC_PLUGIN_STRUCTLEAK
compiler: Add __designated_init annotation
gcc-plugins: Detail c-common.h location for GCC 4.6
v1 series[1] for dp83867 phy impedance-control support,
specifies to use ti,impedance-control with a value. These
properties got updated iduring review to specify whether
min or max impedance. But the DT still uses the old values
which never takes effect. Update the DT node by using the
proper DT properties.
[1] https://patchwork.kernel.org/patch/9239729/
Fixes: 9868bc585ae2c ("ARM: dts: Add support for dra718-evm")
Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Commit 599c376c49 ("ARM: dts: Fix gpio interrupts for dm816x")
corrected some problems with the MMC. However, it gets the write
protect pin backwards. It needs to be ACTIVE_HIGH not ACTIVE_LOW.
Cc: Rob Herring <robh+dt@kernel.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Russell King <linux@armlinux.org.uk>
Cc: Tony Lindgren <tony@atomide.com>
Signed-off-by: Mihail Grigorov <michael.grigorov@konsulko.com>
Signed-off-by: Tom Rini <trini@konsulko.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
The ELM node in dm816x.dtsi needs to declare the correct compatible
value here as per the binding only one value is correct, and the current
driver handles it correctly. We then add pinmux information for the
NAND found on the EVM so that we do not rely on the ROM to do this for
us, and also so that we do not try and probe NAND before we probe the
ELM.
Cc: Rob Herring <robh+dt@kernel.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Russell King <linux@armlinux.org.uk>
Cc: Roger Quadros <rogerq@ti.com>
Cc: Tony Lindgren <tony@atomide.com>
Cc: Mihail Grigorov <michael.grigorov@konsulko.com>
Signed-off-by: Tom Rini <trini@konsulko.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
The main changes this time are from a cleanup series that Krzysztof
Kozłowski did, looking for config options in the defconfig files that
got removed or renamed. He tracked them down to make sure we don't
lose information unintentionally after an update.
Aside from that, there is the usual driver enablement, this time for
davinci, samsung, stm⅗2, bcm2835, qualcomm, at91, imx, mvebu, and omap.
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Merge tag 'armsoc-defconfig' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC defconfig updates from Arnd Bergmann:
"The main changes this time are from a cleanup series that Krzysztof
Kozłowski did, looking for config options in the defconfig files that
got removed or renamed. He tracked them down to make sure we don't
lose information unintentionally after an update.
Aside from that, there is the usual driver enablement, this time for
davinci, samsung, stm32, bcm2835, qualcomm, at91, imx, mvebu, and
omap"
* tag 'armsoc-defconfig' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (37 commits)
multi_v7_defconfig: Enable OMAP MTD and DM816 AHCI
ARM: qcom_defconfig: enable RPMSG_QCOM_SMD
ARM: imx_v6_v7_defconfig: Select CONFIG_IMX7D_ADC
ARM: mvebu: Enable SENSORS_PWM_FAN in defconfig
ARM: davinci_all_defconfig: enable USB CDC NCM gadget
ARM: davinci_all_defconfig: enable mtdtests
ARM: imx_v6_v7_defconfig: Set THERMAL_WRITABLE_TRIPS=y for testing
ARM: bcm2835_defconfig: Enable serial & ethernet USB gadget support
ARM: tct_hammer_defconfig: Save defconfig
ARM: s5pv210_defconfig: Save defconfig
ARM: s3c6400_defconfig: Save defconfig
ARM: mini2440_defconfig: Save defconfig
ARM: s3c2410_defconfig: Save defconfig
ARM: exynos_defconfig: Save defconfig
ARM: s5pv210_defconfig: Bring back lost (but wanted) options
ARM: s3c6400_defconfig: Bring back lost (but wanted) options
ARM: s3c2410_defconfig: Bring back lost (but wanted) options
ARM: tct_hammer_defconfig: Bring back lost (but wanted) options
ARM: mini2440_defconfig: Bring back lost (but wanted) options
ARM: defconfig: samsung: Re-order entries to match savedefconfig
...
Device-tree continues to see lots of updates. The majority of patches
here are smaller changes for new hardware on existing platforms, and
there are a few larger changes worth pointing out.
New machines:
- The new Action Semi S500 platform is added along with initial
support for the LeMaker Guitar board.
- STM32 gains support for three new boards: stm32h743-disco,
stm32f746-disco, and stm32f769-disco, along with new device
support for the existing stm32f429 boards.
- Renesas adds two new boards, the tiny GR-Peach based on RZ/A1H
with 10MB on-chip SRAM, and the iWave G20D-Q7 System-on-Module
plus board.
- On Marvell "mvebu", we gain support for the Linksys WRT3200ACM
wireless router.
- For NXP i.MX, we gain support for the Gateworks Ventana GW5600
and the Technexion Pico i.MX7D single-board computers.
- The BeagleBone Blue is added for OMAP, it's the latest variation
of the popular Beaglebone Black single-board computer.
- The Allwinner based Lichee Pi Zero and NanoPi M1 Plus boards
are added, these are the latest variations of a seemingly endless
supply of similar single-board computers.
Other updates:
- Linus Walleij improves support for the "Faraday" based SoC platforms
from various SoC makers (Moxart, Aspeed, Gemini)
- The ARM Mali GPU is now describe on Rockchips SoCs
- Mediatek MT7623 is extended significantly, making it much
more useful.
- Lots of individual updates on Renesas, OMAP, Rockchips, Broadcom,
Allwinner, Qualcomm, iMX
- For Amlogic, the clock support is extended a lot on meson8b.
- We now build the devicetree file for the Raspberry Pi 3 on 32-bit
ARM, in addition to the existing ARM64 support, to help users
wanting to run a 32-bit system on it.
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Merge tag 'armsoc-dt' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM device-tree updates from Arnd Bergmann:
"Device-tree continues to see lots of updates. The majority of patches
here are smaller changes for new hardware on existing platforms, and
there are a few larger changes worth pointing out.
New machines:
- The new Action Semi S500 platform is added along with initial
support for the LeMaker Guitar board.
- STM32 gains support for three new boards: stm32h743-disco,
stm32f746-disco, and stm32f769-disco, along with new device support
for the existing stm32f429 boards.
- Renesas adds two new boards, the tiny GR-Peach based on RZ/A1H with
10MB on-chip SRAM, and the iWave G20D-Q7 System-on-Module plus
board.
- On Marvell "mvebu", we gain support for the Linksys WRT3200ACM
wireless router.
- For NXP i.MX, we gain support for the Gateworks Ventana GW5600 and
the Technexion Pico i.MX7D single-board computers.
- The BeagleBone Blue is added for OMAP, it's the latest variation of
the popular Beaglebone Black single-board computer.
- The Allwinner based Lichee Pi Zero and NanoPi M1 Plus boards are
added, these are the latest variations of a seemingly endless
supply of similar single-board computers.
Other updates:
- Linus Walleij improves support for the "Faraday" based SoC
platforms from various SoC makers (Moxart, Aspeed, Gemini)
- The ARM Mali GPU is now describe on Rockchips SoCs
- Mediatek MT7623 is extended significantly, making it much more
useful.
- Lots of individual updates on Renesas, OMAP, Rockchips, Broadcom,
Allwinner, Qualcomm, iMX
- For Amlogic, the clock support is extended a lot on meson8b.
- We now build the devicetree file for the Raspberry Pi 3 on 32-bit
ARM, in addition to the existing ARM64 support, to help users
wanting to run a 32-bit system on it"
* tag 'armsoc-dt' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (345 commits)
ARM: dts: socfpga: set the i2c frequency
ARM: dts: socfpga: Add second ethernet alias to VINING FPGA
ARM: dts: socfpga: Drop LED node from VINING FPGA
ARM: dts: socfpga: Remove I2C EEPROMs from VINING FPGA
ARM: dts: socfpga: Enable QSPI support on VINING FPGA
ARM: dts: socfpga: Fix the ethernet clock phandle
ARM: pxa: Use - instead of @ for DT OPP entries
ARM: dts: owl-s500: Add SPS node
ARM: dts: owl-s500: Set CPU enable-method
dt-bindings: arm: cpus: Add S500 enable-method
ARM: dts: Add Actions Semi S500 and LeMaker Guitar
dt-bindings: arm: Document Actions Semi S900
dt-bindings: timer: Document Owl timer
ARM: dts: imx6q-cm-fx6: add sdio wifi/bt nodes
dt-bindings: arm: Document Actions Semi S500
dt-bindings: Add vendor prefix for Actions Semi
ARM: dts: turris-omnia: Add generic compatible string for I2C EEPROM
ARM: dts: mvebu: add support for Linksys WRT3200ACM (Rango)
ARM: dts: armada-385-linksys: fixup button node names
ARM: dts: armada-385-linksys: group pins in pinctrl
...
SoC platform changes (arch/arm/mach-*). This merge window, the bulk is
for a few platforms:
- Andres Färber adds initial support for the Actions Semi S500 (a.k.a.
'owl') platform, a close relative of the S900 platform he adds for arm64.
- in mach-omap2, we remove more legacy code
- Rockchips gains support for the RV1108 SoC designed for camera
applications.
- For Atmel, we gain support for MMU-less SoCs (SAME70/V71/S70/V70)
- Minor updates for other platforms, including davinci, s3c64xx,
prima2, stm32, broadcom nsp, amlogic, pxa, imx and renesas
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Merge tag 'armsoc-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC platform updates from Arnd Bergmann:
"SoC platform changes (arch/arm/mach-*). This merge window, the bulk is
for a few platforms:
- Andres Färber adds initial support for the Actions Semi S500 (aka
'owl') platform, a close relative of the S900 platform he adds for
arm64.
- in mach-omap2, we remove more legacy code
- Rockchips gains support for the RV1108 SoC designed for camera
applications.
- For Atmel, we gain support for MMU-less SoCs (SAME70/V71/S70/V70)
- Minor updates for other platforms, including davinci, s3c64xx,
prima2, stm32, broadcom nsp, amlogic, pxa, imx and renesas"
* tag 'armsoc-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (74 commits)
ARM: owl: smp: Drop bogus holding pen
ARM: owl: Drop custom machine
ARM: owl: smp: Implement SPS power-gating for CPU2 and CPU3
soc: actions: owl-sps: Factor out owl_sps_set_pg() for power-gating
soc: actions: Add Owl SPS
dt-bindings: power: Add Owl SPS power domains
MAINTAINERS: Update Actions Semi section with SPS
ARM: owl: Implement CPU enable-method for S500
MAINTAINERS: Add Actions Semi Owl section
ARM: Prepare Actions Semi S500
ARM: socfpga: Increase max number of GPIOs
ARM: stm32: Introduce MACH_STM32F469 flag
ARM: prima2: remove redundant select CPU_V7
ARM: davinci: fix const warnings
ARM: shmobile: pm-rmobile: Use GENPD_FLAG_ALWAYS_ON
ARM: OMAP4: hwmod_data: add SHAM crypto accelerator
ARM: OMAP4: hwmod data: add des
ARM: OMAP4: hwmod data: add aes2
ARM: OMAP4: hwmod data: add aes1
ARM: pxa: Delete an error message for a failed memory allocation in pxa3xx_u2d_probe()
...
Smaller patches that didn't seem to find a home in other branches, and
low-priority fixes from late in the merge window.
- Lee Jones retires as bcm2835 (raspberry pi) co-maintainer.
- A couple of bugfixes for the ARM CCN bus driver that were
regarded not important enough
- minor device tree fixes for the Renesas and Marvell platforms,
that came a little late or did not justify have another
pull request after the last -rc.
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Merge tag 'armsoc-fixes-nc' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull non-urgent ARM SoC fixes from Arnd Bergmann:
"Smaller patches that didn't seem to find a home in other branches, and
low-priority fixes from late in the merge window.
- Lee Jones retires as bcm2835 (raspberry pi) co-maintainer.
- a couple of bugfixes for the ARM CCN bus driver that were regarded
not important enough
- minor device tree fixes for the Renesas and Marvell platforms, that
came a little late or did not justify have another pull request
after the last -rc"
* tag 'armsoc-fixes-nc' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc:
bus: arm-ccn: Enable stats for CCN-502 interconnect
dt-bindings: arm-ccn: Add bindings info for CCN-502 compatible string
bus: arm-ccn: Use devm_kcalloc() in arm_ccn_probe()
bus: arm-ccn: Fix module autoload
MAINTAINERS: add RV1108 Rockchip soc to maintained files
ARM: dts: kirkwood: Fix Openblock A6 nand partition overlap
ARM: dts: armadillo800eva: Split LCD mux and gpio
MAINTAINERS: Remove Lee Jones from bcm2835.
- Add support to enable irq wake for slot gpio
- Remove MMC_CAP2_HC_ERASE_SZ and make it the default behaviour
- Improve R1 response error checks for stop commands
- Cleanup and clarify some MMC specific code
- Keep card runtime resumed while adding SDIO function devices
- Use device_property_read instead of of_property_read in mmc_of_parse()
- Move boot partition locking into a driver op to enable proper I/O scheduling
- Move multi/single-ioctl() to use block layer to enable proper I/O scheduling
- Delete bounce buffer Kconfig option
- Improve the eMMC HW reset support provided via the eMMC pwrseq
- Add host API to manage SDIO IRQs from a workqueue
MMC host:
- dw_mmc: Drop support for multiple slots
- dw_mmc: Use device_property_read instead of of_property_read
- dw_mmc-rockchip: Optional improved tuning to greatly decrease tuning time
- dw_mmc: Prevent rpm suspend for SDIO IRQs instead of always for SDIO cards
- dw_mmc: Convert to use MMC_CAP2_SDIO_IRQ_NOTHREAD for SDIO IRQs
- omap_hsmmc: Convert to mmc regulator APIs to consolidate code
- omap_hsmmc: Deprecate "vmmc_aux" in DT and use "vqmmc" instead
- tmio: make sure SDIO gets reinitialized after resume
- sdhi: add CMD23 support to R-Car Gen2 & Gen3
- tmio: add CMD23 support
- sdhi/tmio: Refactor code and rename files to simplify Kconfig options
- sdhci-pci: Enable card detect wake for Intel BYT-related SD controllers
- sdhci-pci: Add support for Intel CNP
- sdhci-esdhc-imx: Remove ENGcm07207 workaround - allow multi block transfers
- sdhci-esdhc-imx: Allow all supported prescaler values
- sdhci-esdhc-imx: Fix DAT line software reset
- sdhci-esdhc: Add SDHCI_QUIRK_32BIT_DMA_ADDR
- atmel-mci: Drop AVR32 support
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Merge tag 'mmc-v4.13' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc
Pull MMC updates from Ulf Hansson:
"MMC core:
- Add support to enable irq wake for slot gpio
- Remove MMC_CAP2_HC_ERASE_SZ and make it the default behaviour
- Improve R1 response error checks for stop commands
- Cleanup and clarify some MMC specific code
- Keep card runtime resumed while adding SDIO function devices
- Use device_property_read instead of of_property_read in mmc_of_parse()
- Move boot partition locking into a driver op to enable proper I/O scheduling
- Move multi/single-ioctl() to use block layer to enable proper I/O scheduling
- Delete bounce buffer Kconfig option
- Improve the eMMC HW reset support provided via the eMMC pwrseq
- Add host API to manage SDIO IRQs from a workqueue
MMC host:
- dw_mmc: Drop support for multiple slots
- dw_mmc: Use device_property_read instead of of_property_read
- dw_mmc-rockchip: Optional improved tuning to greatly decrease tuning time
- dw_mmc: Prevent rpm suspend for SDIO IRQs instead of always for SDIO cards
- dw_mmc: Convert to use MMC_CAP2_SDIO_IRQ_NOTHREAD for SDIO IRQs
- omap_hsmmc: Convert to mmc regulator APIs to consolidate code
- omap_hsmmc: Deprecate "vmmc_aux" in DT and use "vqmmc" instead
- tmio: make sure SDIO gets reinitialized after resume
- sdhi: add CMD23 support to R-Car Gen2 & Gen3
- tmio: add CMD23 support
- sdhi/tmio: Refactor code and rename files to simplify Kconfig options
- sdhci-pci: Enable card detect wake for Intel BYT-related SD controllers
- sdhci-pci: Add support for Intel CNP
- sdhci-esdhc-imx: Remove ENGcm07207 workaround - allow multi block transfers
- sdhci-esdhc-imx: Allow all supported prescaler values
- sdhci-esdhc-imx: Fix DAT line software reset
- sdhci-esdhc: Add SDHCI_QUIRK_32BIT_DMA_ADDR
- atmel-mci: Drop AVR32 support"
* tag 'mmc-v4.13' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc: (86 commits)
mmc: dw_mmc: remove the unnecessary slot variable
mmc: dw_mmc: use the 'slot' instead of 'cur_slot'
mmc: dw_mmc: remove the 'id' arguments about functions relevant to slot
mmc: dw_mmc: change the array of slots
mmc: dw_mmc: remove the loop about finding slots
mmc: dw_mmc: deprecated the "num-slots" property
mmc: dw_mmc-rockchip: parse rockchip, desired-num-phases from DT
dt-bindings: rockchip-dw-mshc: add optional rockchip, desired-num-phases
mmc: renesas-sdhi: improve checkpatch cleanness
mmc: tmio: improve checkpatch cleanness
mmc: sdhci-pci: Enable card detect wake for Intel BYT-related SD controllers
mmc: slot-gpio: Add support to enable irq wake on cd_irq
mmc: core: Remove MMC_CAP2_HC_ERASE_SZ
mmc: core: for data errors, take response of stop cmd into account
mmc: core: check also R1 response for stop commands
mmc: core: Clarify code for sending CSD
mmc: core: Drop mmc_all_send_cid() and use mmc_send_cxd_native() instead
mmc: core: Re-factor code for sending CID
mmc: core: Remove redundant code in mmc_send_cid()
mmc: core: Make mmc_can_reset() static
...
Here is the big driver core update for 4.13-rc1.
The large majority of this is a lot of cleanup of old fields in the
driver core structures and their remaining usages in random drivers.
All of those fixes have been reviewed by the various subsystem
maintainers. There's also some small firmware updates in here, a new
kobject uevent api interface that makes userspace interaction easier,
and a few other minor things.
All of these have been in linux-next for a long while with no reported
issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'driver-core-4.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core
Pull driver core updates from Greg KH:
"Here is the big driver core update for 4.13-rc1.
The large majority of this is a lot of cleanup of old fields in the
driver core structures and their remaining usages in random drivers.
All of those fixes have been reviewed by the various subsystem
maintainers. There's also some small firmware updates in here, a new
kobject uevent api interface that makes userspace interaction easier,
and a few other minor things.
All of these have been in linux-next for a long while with no reported
issues"
* tag 'driver-core-4.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core: (56 commits)
arm: mach-rpc: ecard: fix build error
zram: convert remaining CLASS_ATTR() to CLASS_ATTR_RO()
driver-core: remove struct bus_type.dev_attrs
powerpc: vio_cmo: use dev_groups and not dev_attrs for bus_type
powerpc: vio: use dev_groups and not dev_attrs for bus_type
USB: usbip: convert to use DRIVER_ATTR_RW
s390: drivers: convert to use DRIVER_ATTR_RO/WO
platform: thinkpad_acpi: convert to use DRIVER_ATTR_RO/RW
pcmcia: ds: convert to use DRIVER_ATTR_RO
wireless: ipw2x00: convert to use DRIVER_ATTR_RW
net: ehea: convert to use DRIVER_ATTR_RO
net: caif: convert to use DRIVER_ATTR_RO
TTY: hvc: convert to use DRIVER_ATTR_RW
PCI: pci-driver: convert to use DRIVER_ATTR_WO
IB: nes: convert to use DRIVER_ATTR_RW
HID: hid-core: convert to use DRIVER_ATTR_RO and drv_groups
arm: ecard: fix dev_groups patch typo
tty: serdev: use dev_groups and not dev_attrs for bus_type
sparc: vio: use dev_groups and not dev_attrs for bus_type
hid: intel-ish-hid: use dev_groups and not dev_attrs for bus_type
...
Here is the big patchset of USB and PHY driver updates for 4.13-rc1.
On the PHY side, they decided to move files around to "make things
easier" in their tree. Hopefully that wasn't a mistake, but in
linux-next testing, we haven't had any reported problems.
There's the usual set of gadget and xhci and musb updates in here as
well, along with a number of smaller updates for a raft of different USB
drivers. Full details in the shortlog, nothing really major.
All of these have been in linux-next for a while with no reported
issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'usb-4.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
Pull USB/PHY updates from Greg KH:
"Here is the big patchset of USB and PHY driver updates for 4.13-rc1.
On the PHY side, they decided to move files around to "make things
easier" in their tree. Hopefully that wasn't a mistake, but in
linux-next testing, we haven't had any reported problems.
There's the usual set of gadget and xhci and musb updates in here as
well, along with a number of smaller updates for a raft of different
USB drivers. Full details in the shortlog, nothing really major.
All of these have been in linux-next for a while with no reported
issues"
* tag 'usb-4.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (173 commits)
Add USB quirk for HVR-950q to avoid intermittent device resets
USB hub_probe: rework ugly goto-into-compound-statement
usb: host: ohci-pxa27x: Handle return value of clk_prepare_enable
USB: serial: cp210x: add ID for CEL EM3588 USB ZigBee stick
usbip: Fix uninitialized variable bug in vhci
usb: core: read USB ports from DT in the usbport LED trigger driver
dt-bindings: leds: document new trigger-sources property
usb: typec: ucsi: Add ACPI driver
usb: typec: Add support for UCSI interface
usb: musb: compress return logic into one line
USB: serial: propagate late probe errors
USB: serial: refactor port endpoint setup
usb: musb: tusb6010_omap: Convert to DMAengine API
ARM: OMAP2+: DMA: Add slave map entries for 24xx external request lines
usb: musb: tusb6010: Handle DMA TX completion in DMA callback as well
usb: musb: tusb6010_omap: Allocate DMA channels upfront
usb: musb: tusb6010_omap: Create new struct for DMA data/parameters
usb: musb: tusb6010_omap: Use one musb_ep_select call in tusb_omap_dma_program
usb: musb: tusb6010: Add MUSB_G_NO_SKB_RESERVE to quirks
usb: musb: Add quirk to avoid skb reserve in gadget mode
...
Pull SMP hotplug updates from Thomas Gleixner:
"This update is primarily a cleanup of the CPU hotplug locking code.
The hotplug locking mechanism is an open coded RWSEM, which allows
recursive locking. The main problem with that is the recursive nature
as it evades the full lockdep coverage and hides potential deadlocks.
The rework replaces the open coded RWSEM with a percpu RWSEM and
establishes full lockdep coverage that way.
The bulk of the changes fix up recursive locking issues and address
the now fully reported potential deadlocks all over the place. Some of
these deadlocks have been observed in the RT tree, but on mainline the
probability was low enough to hide them away."
* 'smp-hotplug-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (37 commits)
cpu/hotplug: Constify attribute_group structures
powerpc: Only obtain cpu_hotplug_lock if called by rtasd
ARM/hw_breakpoint: Fix possible recursive locking for arch_hw_breakpoint_init
cpu/hotplug: Remove unused check_for_tasks() function
perf/core: Don't release cred_guard_mutex if not taken
cpuhotplug: Link lock stacks for hotplug callbacks
acpi/processor: Prevent cpu hotplug deadlock
sched: Provide is_percpu_thread() helper
cpu/hotplug: Convert hotplug locking to percpu rwsem
s390: Prevent hotplug rwsem recursion
arm: Prevent hotplug rwsem recursion
arm64: Prevent cpu hotplug rwsem recursion
kprobes: Cure hotplug lock ordering issues
jump_label: Reorder hotplug lock and jump_label_lock
perf/tracing/cpuhotplug: Fix locking order
ACPI/processor: Use cpu_hotplug_disable() instead of get_online_cpus()
PCI: Replace the racy recursion prevention
PCI: Use cpu_hotplug_disable() instead of get_online_cpus()
perf/x86/intel: Drop get_online_cpus() in intel_snb_check_microcode()
x86/perf: Drop EXPORT of perf_check_microcode
...
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
...
on MMU targets EFAULT is possible here. Make both return 0 or error,
passing what used to be the return value of flat_get_addr_from_rp()
by reference.
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Pull x86 mm updates from Ingo Molnar:
"The main changes in this cycle were:
- Continued work to add support for 5-level paging provided by future
Intel CPUs. In particular we switch the x86 GUP code to the generic
implementation. (Kirill A. Shutemov)
- Continued work to add PCID CPU support to native kernels as well.
In this round most of the focus is on reworking/refreshing the TLB
flush infrastructure for the upcoming PCID changes. (Andy
Lutomirski)"
* 'x86-mm-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (34 commits)
x86/mm: Delete a big outdated comment about TLB flushing
x86/mm: Don't reenter flush_tlb_func_common()
x86/KASLR: Fix detection 32/64 bit bootloaders for 5-level paging
x86/ftrace: Exclude functions in head64.c from function-tracing
x86/mmap, ASLR: Do not treat unlimited-stack tasks as legacy mmap
x86/mm: Remove reset_lazy_tlbstate()
x86/ldt: Simplify the LDT switching logic
x86/boot/64: Put __startup_64() into .head.text
x86/mm: Add support for 5-level paging for KASLR
x86/mm: Make kernel_physical_mapping_init() support 5-level paging
x86/mm: Add sync_global_pgds() for configuration with 5-level paging
x86/boot/64: Add support of additional page table level during early boot
x86/boot/64: Rename init_level4_pgt and early_level4_pgt
x86/boot/64: Rewrite startup_64() in C
x86/boot/compressed: Enable 5-level paging during decompression stage
x86/boot/efi: Define __KERNEL32_CS GDT on 64-bit configurations
x86/boot/efi: Fix __KERNEL_CS definition of GDT entry on 64-bit configurations
x86/boot/efi: Cleanup initialization of GDT entries
x86/asm: Fix comment in return_from_SYSCALL_64()
x86/mm/gup: Switch GUP to the generic get_user_page_fast() implementation
...
Pull scheduler updates from Ingo Molnar:
"The main changes in this cycle were:
- Add the SYSTEM_SCHEDULING bootup state to move various scheduler
debug checks earlier into the bootup. This turns silent and
sporadically deadly bugs into nice, deterministic splats. Fix some
of the splats that triggered. (Thomas Gleixner)
- A round of restructuring and refactoring of the load-balancing and
topology code (Peter Zijlstra)
- Another round of consolidating ~20 of incremental scheduler code
history: this time in terms of wait-queue nomenclature. (I didn't
get much feedback on these renaming patches, and we can still
easily change any names I might have misplaced, so if anyone hates
a new name, please holler and I'll fix it.) (Ingo Molnar)
- sched/numa improvements, fixes and updates (Rik van Riel)
- Another round of x86/tsc scheduler clock code improvements, in hope
of making it more robust (Peter Zijlstra)
- Improve NOHZ behavior (Frederic Weisbecker)
- Deadline scheduler improvements and fixes (Luca Abeni, Daniel
Bristot de Oliveira)
- Simplify and optimize the topology setup code (Lauro Ramos
Venancio)
- Debloat and decouple scheduler code some more (Nicolas Pitre)
- Simplify code by making better use of llist primitives (Byungchul
Park)
- ... plus other fixes and improvements"
* 'sched-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (103 commits)
sched/cputime: Refactor the cputime_adjust() code
sched/debug: Expose the number of RT/DL tasks that can migrate
sched/numa: Hide numa_wake_affine() from UP build
sched/fair: Remove effective_load()
sched/numa: Implement NUMA node level wake_affine()
sched/fair: Simplify wake_affine() for the single socket case
sched/numa: Override part of migrate_degrades_locality() when idle balancing
sched/rt: Move RT related code from sched/core.c to sched/rt.c
sched/deadline: Move DL related code from sched/core.c to sched/deadline.c
sched/cpuset: Only offer CONFIG_CPUSETS if SMP is enabled
sched/fair: Spare idle load balancing on nohz_full CPUs
nohz: Move idle balancer registration to the idle path
sched/loadavg: Generalize "_idle" naming to "_nohz"
sched/core: Drop the unused try_get_task_struct() helper function
sched/fair: WARN() and refuse to set buddy when !se->on_rq
sched/debug: Fix SCHED_WARN_ON() to return a value on !CONFIG_SCHED_DEBUG as well
sched/wait: Disambiguate wq_entry->task_list and wq_head->task_list naming
sched/wait: Move bit_wait_table[] and related functionality from sched/core.c to sched/wait_bit.c
sched/wait: Split out the wait_bit*() APIs from <linux/wait.h> into <linux/wait_bit.h>
sched/wait: Re-adjust macro line continuation backslashes in <linux/wait.h>
...
Pull EFI updates from Ingo Molnar:
"The main changes in this cycle were:
- Rework the EFI capsule loader to allow for workarounds for
non-compliant firmware (Ard Biesheuvel)
- Implement a capsule loader quirk for Quark X102x (Jan Kiszka)
- Enable SMBIOS/DMI support for the ARM architecture (Ard Biesheuvel)
- Add CONFIG_EFI_PGT_DUMP=y support for x86-32 and kexec (Sai
Praneeth)
- Fixes for EFI support for Xen dom0 guests running under x86-64
hosts (Daniel Kiper)"
* 'efi-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/xen/efi: Initialize only the EFI struct members used by Xen
efi: Process the MEMATTR table only if EFI_MEMMAP is enabled
efi/arm: Enable DMI/SMBIOS
x86/efi: Extend CONFIG_EFI_PGT_DUMP support to x86_32 and kexec as well
efi/efi_test: Use memdup_user() helper
efi/capsule: Add support for Quark security header
efi/capsule-loader: Use page addresses rather than struct page pointers
efi/capsule-loader: Redirect calls to efi_capsule_setup_info() via weak alias
efi/capsule: Remove NULL test on kmap()
efi/capsule-loader: Use a cached copy of the capsule header
efi/capsule: Adjust return type of efi_capsule_setup_info()
efi/capsule: Clean up pr_err/_info() messages
efi/capsule: Remove pr_debug() on ENOMEM or EFAULT
efi/capsule: Fix return code on failing kmap/vmap
The S500 SoC can start secondary CPUs without busy-looping for pen_release,
so simplify the SMP code compared to the LeMaker kernel tree.
Fixes: 172067e0bc ("ARM: owl: Implement CPU enable-method for S500")
Suggested-by: Arnd Bergmann <arnd@arndb.de>
Cc: David Liu <liuwei@actions-semi.com>
Signed-off-by: Andreas Färber <afaerber@suse.de>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Rely on the fallback to "Generic DT based system".
This change is visible in /proc/cpuinfo.
Cc: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Andreas Färber <afaerber@suse.de>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Legacy PCI host controllers (ie host controllers that set-up the PCI bus
through the ARM pci_common_init() API) are currently relying on
pci_fixup_irqs() to assign legacy PCI irqs to devices. This is not ideal
in that pci_fixup_irqs() assigns IRQs for all PCI devices present in a given
system some of which may well be enabled by the time pci_fixup_irqs() is
called (ie a system with multiple host controllers). With the introduction
of struct pci_host_bridge.(*map_irq) pointer it is possible to assign IRQs
for all devices originating from a PCI host bridge at probe time; this is
implemented through pci_assign_irq() that relies on the struct
pci_host_bridge.map_irq pointer to map IRQ for a given device.
The benefits this brings are twofold:
- the IRQ for a device is assigned once at probe time
- the IRQ assignment works also for hotplugged devices
Remove pci_fixup_irqs() call from bios32 code and rely on pci_assign_irq()
to carry out the IRQ mapping at device probe time.
The map_irq() and swizzle_irq() struct pci_host_bridge callbacks are set-up
in the struct pci_host_bridge created in the bios32 pcibios_init_hw()
function and mach-* code paths (for PCI mach implementations that require a
specific struct hw_pci.(*scan) function callback).
Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
[bhelgaas: folded in fixes from Lorenzo:
http://lkml.kernel.org/r/20170701140629.GC8977@red-moon]
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Cc: Jason Cooper <jason@lakedaemon.net>
Cc: Russell King <linux@armlinux.org.uk>
Cc: Andrew Lunn <andrew@lunn.ch>
Pull ARM fix from Russell King:
"One final fix for 4.12 - Doug found a boot failure case triggered by
requesting a non-even MB vmalloc size"
* 'fixes' of git://git.armlinux.org.uk/~rmk/linux-arm:
ARM: 8685/1: ensure memblock-limit is pmd-aligned
Some function pointer structures are used externally to the kernel, like
the paravirt structures. These should never be randomized, so mark them
as such, in preparation for enabling randstruct's automatic selection
of all-function-pointer structures.
These markings are verbatim from Brad Spengler/PaX Team's code in the
last public patch of grsecurity/PaX based on my understanding of the
code. Changes or omissions from the original code are mine and don't
reflect the original grsecurity/PaX code.
Signed-off-by: Kees Cook <keescook@chromium.org>
With the new task struct randomization, we can run into a build
failure for certain random seeds, which will place fields beyond
the allow immediate size in the assembly:
arch/arm/kernel/entry-armv.S: Assembler messages:
arch/arm/kernel/entry-armv.S:803: Error: bad immediate value for offset (4096)
Only two constants in asm-offset.h are affected, and I'm changing
both of them here to work correctly in all configurations.
One more macro has the problem, but is currently unused, so this
removes it instead of adding complexity.
Suggested-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
[kees: Adjust commit log slightly]
Signed-off-by: Kees Cook <keescook@chromium.org>
DMA operations for NOMMU case have been just factored out into
separate compilation unit, so don't keep dead code.
Tested-by: Benjamin Gaignard <benjamin.gaignard@linaro.org>
Tested-by: Andras Szemzo <sza@esh.hu>
Tested-by: Alexandre TORGUE <alexandre.torgue@st.com>
Signed-off-by: Vladimir Murzin <vladimir.murzin@arm.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Russell King <rmk+kernel@armlinux.org.uk>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Now, we have dedicated non-cacheable region for consistent DMA
operations. However, that region can still be marked as bufferable by
MPU, so it'd be safer to have barriers by default. M-class machines
that didn't need it until now also likely won't need it in the future,
therefore, we offer this as an option.
Tested-by: Benjamin Gaignard <benjamin.gaignard@linaro.org>
Tested-by: Andras Szemzo <sza@esh.hu>
Tested-by: Alexandre TORGUE <alexandre.torgue@st.com>
Reviewed-by: Robin Murphy <robin.murphy@arm.com>
Signed-off-by: Vladimir Murzin <vladimir.murzin@arm.com>
Acked-by: Russell King <rmk+kernel@armlinux.org.uk>
Signed-off-by: Christoph Hellwig <hch@lst.de>
R/M classes of cpus can have memory covered by MPU which in turn might
configure RAM as Normal i.e. bufferable and cacheable. It breaks
dma_alloc_coherent() and friends, since data can stuck in caches now
or be buffered.
This patch factors out DMA support for NOMMU configuration into
separate entity which provides dedicated dma_ops. We have to handle
there several cases:
- configurations with MMU/MPU setup
- configurations without MMU/MPU setup
- special case for M-class, since caches and MPU there are optional
In general we rely on default DMA area for coherent allocations or/and
per-device memory reserves suitable for coherent DMA, so if such
regions are set coherent allocations go from there.
In case MMU/MPU was not setup we fallback to normal page allocator for
DMA memory allocation.
In case we run M-class cpus, for configuration without cache support
(like Cortex-M3/M4) dma operations are forced to be coherent and wired
with dma-noop (such decision is made based on cacheid global
variable); however, if caches are detected there and no DMA coherent
region is given (either default or per-device), dma is disallowed even
MPU is not set - it is because M-class implement system memory map
which defines part of address space as Normal memory.
Reported-by: Alexandre Torgue <alexandre.torgue@st.com>
Reported-by: Andras Szemzo <sza@esh.hu>
Tested-by: Benjamin Gaignard <benjamin.gaignard@linaro.org>
Tested-by: Andras Szemzo <sza@esh.hu>
Tested-by: Alexandre TORGUE <alexandre.torgue@st.com>
Reviewed-by: Robin Murphy <robin.murphy@arm.com>
Signed-off-by: Vladimir Murzin <vladimir.murzin@arm.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Russell King <rmk+kernel@armlinux.org.uk>
[hch: removed the dma_supported() implementation that isn't required anymore]
Signed-off-by: Christoph Hellwig <hch@lst.de>
- vcpu request overhaul
- allow timer and PMU to have their interrupt number
selected from userspace
- workaround for Cavium erratum 30115
- handling of memory poisonning
- the usual crop of fixes and cleanups
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Merge tag 'kvmarm-for-4.13' of git://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm into HEAD
KVM/ARM updates for 4.13
- vcpu request overhaul
- allow timer and PMU to have their interrupt number
selected from userspace
- workaround for Cavium erratum 30115
- handling of memory poisonning
- the usual crop of fixes and cleanups
Conflicts:
arch/s390/include/asm/kvm_host.h
Commit 2a26d31b1b ("ARM: OMAP2+: Remove unused legacy code for PRM")
removed PRM platform init code that I thought is unused. Turns out omap4
still needs this code, so let's do a partial revert to add it back.
I probably missed this earlier as the comments used to say
"OMAP4+ is DT only now" for !of_have_populated_dt() to exit early and
missed the negative test. Let's not add those lines back as they are
confusing and no longer needed as we only boot in device tree mode.
Without things things can mysterious fail for i2c, for example LM75
I2C temperature sensor can stop working as the PRM interrupts won't work.
Fixes: 2a26d31b1b ("ARM: OMAP2+: Remove unused legacy code for PRM")
Signed-off-by: Tony Lindgren <tony@atomide.com>
Shared interrupts with IRQ_NOAUTOEN got a warning added with commit
04c848d398 ("genirq: Warn when IRQ_NOAUTOEN is used with shared
interrupts").
Let's just drop the IRQ_NOAUTOEN use for omap3 PRM shared interrupt as
it does not seem to cause any other issues based on my testing. We have
moved a lot of the code to initialize later, and whatever problems the
legacy booting had seem to be gone now with pinctrl driver and device
tree based booting.
Otherwise we will get:
WARNING: CPU: 0 PID: 1 at kernel/irq/manage.c:1348 __setup_irq+0x5d0/0x64c
[<c01b0260>] (__setup_irq) from [<c01b0480>]
(request_threaded_irq+0xdc/0x188)
[<c01b0480>] (request_threaded_irq) from [<c051c780>]
(pcs_probe+0x6ec/0x8a4)
[<c051c780>] (pcs_probe) from [<c05a84b8>] (platform_drv_probe+0x50/0xb0)
[<c05a84b8>] (platform_drv_probe) from [<c05a6288>]
(driver_probe_device+0x33c/0x478)
Note that we also need to remove the related enable_irq() to avoid
getting the following:
WARNING: CPU: 0 PID: 1 at kernel/irq/manage.c:529 enable_irq+0x34/0x70
[<c01afa04>] (enable_irq) from [<c0c0f1fc>] (omap3_pm_init+0x118/0x3f8)
[<c0c0f1fc>] (omap3_pm_init) from [<c0c0ae7c>] (am35xx_init_late+0x10/0x18)
Cc: Kevin Hilman <khilman@baylibre.com>
Cc: Tero Kristo <t-kristo@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
The pmd containing memblock_limit is cleared by prepare_page_table()
which creates the opportunity for early_alloc() to allocate unmapped
memory if memblock_limit is not pmd aligned causing a boot-time hang.
Commit 965278dcb8 ("ARM: 8356/1: mm: handle non-pmd-aligned end of RAM")
attempted to resolve this problem, but there is a path through the
adjust_lowmem_bounds() routine where if all memory regions start and
end on pmd-aligned addresses the memblock_limit will be set to
arm_lowmem_limit.
Since arm_lowmem_limit can be affected by the vmalloc early parameter,
the value of arm_lowmem_limit may not be pmd-aligned. This commit
corrects this oversight such that memblock_limit is always rounded
down to pmd-alignment.
Fixes: 965278dcb8 ("ARM: 8356/1: mm: handle non-pmd-aligned end of RAM")
Signed-off-by: Doug Berger <opendmb@gmail.com>
Suggested-by: Mark Rutland <mark.rutland@arm.com>
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
This adds SMP code to bring up the remaining S500 CPU cores
by reusing a helper factored out of the SPS power domains driver.
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Merge tag 'actions-arm-soc+sps-for-4.13' of git://git.kernel.org/pub/scm/linux/kernel/git/afaerber/linux-actions into next/soc
Pull "Actions Semi ARM SoC for v4.13 #2" from Andreas Färber:
This adds SMP code to bring up the remaining S500 CPU cores
by reusing a helper factored out of the SPS power domains driver.
* tag 'actions-arm-soc+sps-for-4.13' of git://git.kernel.org/pub/scm/linux/kernel/git/afaerber/linux-actions:
ARM: owl: smp: Implement SPS power-gating for CPU2 and CPU3
soc: actions: owl-sps: Factor out owl_sps_set_pg() for power-gating
soc: actions: Add Owl SPS
dt-bindings: power: Add Owl SPS power domains
A wide variety of TI platforms support NAND via the
CONFIG_MTD_NAND_OMAP2 driver (and related BCH options), so enable this.
In addition, multi_v7_defconfig supports the dm8168-evm and that
supports root being on a SATA drive, so build the DM816 AHCI driver into
the resulting kernel as well.
Cc: Russell King <linux@armlinux.org.uk>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Mihail Grigorov <michael.grigorov@konsulko.com>
Signed-off-by: Tom Rini <trini@konsulko.com>
Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
This adds an initial DT for the S500 SoC and a devboard based on it.
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Merge tag 'actions-arm-dt-for-4.13' of git://git.kernel.org/pub/scm/linux/kernel/git/afaerber/linux-actions into next/dt
Pull "Actions Semi ARM based SoC DT for v4.13" from Andreas Färber:
This adds an initial DT for the S500 SoC and a devboard based on it.
* tag 'actions-arm-dt-for-4.13' of git://git.kernel.org/pub/scm/linux/kernel/git/afaerber/linux-actions:
ARM: dts: owl-s500: Add SPS node
ARM: dts: owl-s500: Set CPU enable-method
dt-bindings: arm: cpus: Add S500 enable-method
ARM: dts: Add Actions Semi S500 and LeMaker Guitar
dt-bindings: arm: Document Actions Semi S900
dt-bindings: timer: Document Owl timer
dt-bindings: arm: Document Actions Semi S500
dt-bindings: Add vendor prefix for Actions Semi
This adds a Kconfig symbol and mach-actions with board and SMP code,
plus a MAINTAINERS entry.
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Merge tag 'actions-arm-soc-for-4.13' of git://git.kernel.org/pub/scm/linux/kernel/git/afaerber/linux-actions into next/soc
Pull "Actions Semi ARM SoC for v4.13" from Andreas Färber:
This adds a Kconfig symbol and mach-actions with board and SMP code,
plus a MAINTAINERS entry.
* tag 'actions-arm-soc-for-4.13' of git://git.kernel.org/pub/scm/linux/kernel/git/afaerber/linux-actions:
MAINTAINERS: Update Actions Semi section with SPS
ARM: owl: Implement CPU enable-method for S500
MAINTAINERS: Add Actions Semi Owl section
ARM: Prepare Actions Semi S500
* Enable RPMSG_QCOM_SMD to get boards working again
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Merge tag 'qcom-defconfig-for-4.13-2' of git://git.kernel.org/pub/scm/linux/kernel/git/agross/linux into next/defconfig
Pull "Qualcomm ARM Based defconfig Updates for v4.13 - Part 2" from Andy Gross:
* Enable RPMSG_QCOM_SMD to get boards working again
* tag 'qcom-defconfig-for-4.13-2' of git://git.kernel.org/pub/scm/linux/kernel/git/agross/linux:
ARM: qcom_defconfig: enable RPMSG_QCOM_SMD
- greatly expands DT clock support for meson8b
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Merge tag 'amlogic-dt-2' of git://git.kernel.org/pub/scm/linux/kernel/git/khilman/linux-amlogic into next/dt
Merge "Amlogic 32-bit DT changes for v4.13 (round 2)" from Kevin Hilman:
- greatly expands DT clock support for meson8b
* tag 'amlogic-dt-2' of git://git.kernel.org/pub/scm/linux/kernel/git/khilman/linux-amlogic: (22 commits)
ARM: dts: meson: use the real ethernet clock on Meson8 and Meson8b
ARM: dts: meson8b: add the SCU device node
ARM: dts: meson: add USB support on Meson8 and Meson8b
ARM: dts: meson: add the hardware random number generator
ARM: dts: meson8: add reserved memory zones
ARM: dts: meson: add the SAR ADC
ARM: dts: meson8: add the pins for the SDIO controller
ARM: dts: meson8: add the PWM_E and PWM_F pins
ARM: dts: meson: use GIC_SPI and IRQ_TYPE_EDGE_RISING macros
ARM: dts: meson: use C preprocessor friendly include syntax
ARM: dts: meson8: fix the IR receiver pins
clk: meson8b: export the ethernet gate clock
clk: meson8b: export the USB clocks
clk: meson8b: export the gate clock for the HW random number generator
clk: meson8b: export the SDIO clock
clk: meson8b: export the SAR ADC clocks
clk: meson-gxbb: un-export the CPU clock
clk: meson-gxbb: expose UART clocks
clk: meson-gxbb: expose SPICC gate
clk: meson-gxbb: expose spdif master clock
...
The introduction of pci_scan_root_bus_bridge() provides a PCI core API to
scan a PCI root bus backed by an already initialized struct pci_host_bridge
object, which simplifies the bus scan interface and makes the PCI scan root
bus interface easier to generalize as members are added to the struct
pci_host_bridge.
Convert ARM bios32 code to pci_scan_root_bus_bridge() to improve the PCI
root bus scanning interface.
Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
[bhelgaas: fold in warning fix from Arnd Bergmann <arnd@arndb.de>:
http://lkml.kernel.org/r/20170621215323.3921382-1-arnd@arndb.de]
[bhelgaas: set bridge->ops for mv78xx0]
[bhelgaas: fold in fixes from Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>:
http://lkml.kernel.org/r/20170701135457.GB8977@red-moon]
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Cc: Jason Cooper <jason@lakedaemon.net>
Cc: Russell King <linux@armlinux.org.uk>
Cc: Andrew Lunn <andrew@lunn.ch>
And instead wire it up as method for all the dma_map_ops instances.
Note that the code seems a little fishy for dmabounce and iommu, but
for now I'd like to preserve the existing behavior 1:1.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Pull ARM fixes from Russell King:
"Three more fixes:
- Fix the previous fix merged in the last pull for the Thumb2
decompressor.
- A fix from Vladimir to correctly identify the V7M cache type.
- The optimised 3G vmsplit case does not work with LPAE, so don't
allow this to be selected for LPAE configurations"
* 'fixes' of git://git.armlinux.org.uk/~rmk/linux-arm:
ARM: 8682/1: V7M: Set cacheid iff DminLine or IminLine is nonzero
ARM: 8681/1: make VMSPLIT_3G_OPT depends on !ARM_LPAE
ARM: 8680/1: boot/compressed: fix inappropriate Thumb2 mnemonic for __nop
I didn't find any use of this macro in the current kernel tree (with git
grep). KTHREAD_SIZE is no longer used for a very very long time. So
let's remove this definition.
Signed-off-by: Jérémy Lefaure <jeremy.lefaure@lse.epita.fr>
Reviewed-by: Vladimir Murzin <vladimir.murzin@arm.com>
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
As of commit 5052de8def, QCOM_SMD_RPM and various other config
options enabled in the qcom_defconfig depends on the RPMSG. If
QCOM_SMD_RPM config option is not selected it disables the
REGULATOR_QCOM_SMD_RPM and other essential config options.
Signed-off-by: Bhushan Shah <bshah@kde.org>
Signed-off-by: Andy Gross <andy.gross@linaro.org>
Use 'clock-frequency' binding for the i2c node that will put the I2C driver
into the standard operating mode. 'speed-mode' was not a valid binding for
the I2C driver, remove it.
Signed-off-by: Alan Tull <atull@kernel.org>
Signed-off-by: Dinh Nguyen <dinguyen@kernel.org>
Add DT alias for the second ethernet present on mainboard rev 1.10.
Signed-off-by: Marek Vasut <marex@denx.de>
Signed-off-by: Dinh Nguyen <dinguyen@kernel.org>
Drop the LED node from VINing FPGA DT because the LED wiring is
different on each mainboard revision. This wiring is therefore
handled in mainboard DT Overlays.
Signed-off-by: Marek Vasut <marex@denx.de>
Signed-off-by: Dinh Nguyen <dinguyen@kernel.org>
Remove the EEPROMs attached to the I2C expander ports which
lead to the backplane slots from the main VIN|ING DTS file.
These EEPROMs are bound using separate DTO files, which lets
us handle both two-slot and six-slot configuration of the
backplane.
Signed-off-by: Marek Vasut <marex@denx.de>
Signed-off-by: Dinh Nguyen <dinguyen@kernel.org>
The ethernet block clock phandle must point to the clock node which
represents the clock which directly supply the ethernet block. This
is emac_x_clk , not emacx_clk , so fix this.
From: Pavel Machek <pavel@denx.de>
Signed-off-by: Marek Vasut <marex@denx.de>
Signed-off-by: Dinh Nguyen <dinguyen@kernel.org>
- Increase number of available GPIOs in Kconfig
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Merge tag 'socfpga_updates_for_v4.13' of git://git.kernel.org/pub/scm/linux/kernel/git/dinguyen/linux into next/soc
Pull "SoCFPGA updates for v4.13" from Dinh Nguyen:
- Increase number of available GPIOs in Kconfig
* tag 'socfpga_updates_for_v4.13' of git://git.kernel.org/pub/scm/linux/kernel/git/dinguyen/linux:
ARM: socfpga: Increase max number of GPIOs
- cpu operating points renaming from Viresh
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Merge tag 'pxa-dt-4.13' of https://github.com/rjarzmik/linux into next/dt
Pull "pxa-dt for v4.13" from Robert Jarzmik:
This device-tree pxa update brings :
- cpu operating points renaming from Viresh
* tag 'pxa-dt-4.13' of https://github.com/rjarzmik/linux:
ARM: pxa: Use - instead of @ for DT OPP entries
1. Add needed property for CEC on Odroid U3,
2. Fix reset GPIO polarity on Rinato.
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Merge tag 'samsung-dt-4.13-2' of git://git.kernel.org/pub/scm/linux/kernel/git/krzk/linux into next/dt
Pull "Samsung DeviceTree update for v4.13, part two" from Krzysztof Kozłowski:
1. Add needed property for CEC on Odroid U3,
2. Fix reset GPIO polarity on Rinato.
* tag 'samsung-dt-4.13-2' of git://git.kernel.org/pub/scm/linux/kernel/git/krzk/linux:
ARM: dts: exynos: Fix polarity of panel reset gpio in Rinato
ARM: dts: exynos: add needs-hpd to &hdmicec for Odroid-U3
1. Remove old Kconfig options from all ARM configs,
2. Update Samsung defconfigs to bring back options over time got disabled
for some reason (configs were not updated along with the code),
3. Save defconfigs for Samsung.
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Merge tag 'samsung-defconfig-4.13-2' of git://git.kernel.org/pub/scm/linux/kernel/git/krzk/linux into next/defconfig
Pull "ARM defconfig cleanup" from Krzysztof Kozłowski:
1. Remove old Kconfig options from all ARM configs,
2. Update Samsung defconfigs to bring back options over time got disabled
for some reason (configs were not updated along with the code),
3. Save defconfigs for Samsung.
* tag 'samsung-defconfig-4.13-2' of git://git.kernel.org/pub/scm/linux/kernel/git/krzk/linux:
ARM: tct_hammer_defconfig: Save defconfig
ARM: s5pv210_defconfig: Save defconfig
ARM: s3c6400_defconfig: Save defconfig
ARM: mini2440_defconfig: Save defconfig
ARM: s3c2410_defconfig: Save defconfig
ARM: exynos_defconfig: Save defconfig
ARM: s5pv210_defconfig: Bring back lost (but wanted) options
ARM: s3c6400_defconfig: Bring back lost (but wanted) options
ARM: s3c2410_defconfig: Bring back lost (but wanted) options
ARM: tct_hammer_defconfig: Bring back lost (but wanted) options
ARM: mini2440_defconfig: Bring back lost (but wanted) options
ARM: defconfig: samsung: Re-order entries to match savedefconfig
ARM: defconfig: Cleanup from old Kconfig options
Currently external aborts are unsupported by the guest abort
handling. Add handling for SEAs so that the host kernel reports
SEAs which occur in the guest kernel.
When an SEA occurs in the guest kernel, the guest exits and is
routed to kvm_handle_guest_abort(). Prior to this patch, a print
message of an unsupported FSC would be printed and nothing else
would happen. With this patch, the code gets routed to the APEI
handling of SEAs in the host kernel to report the SEA information.
Signed-off-by: Tyler Baicar <tbaicar@codeaurora.org>
Acked-by: Catalin Marinas <catalin.marinas@arm.com>
Acked-by: Marc Zyngier <marc.zyngier@arm.com>
Acked-by: Christoffer Dall <cdall@linaro.org>
Signed-off-by: Will Deacon <will.deacon@arm.com>
Originally, generated-y and genhdr-y had different meaning, like
follows:
- generated-y: generated headers (other than asm-generic wrappers)
- header-y : headers to be exported
- genhdr-y : generated headers to be exported (generated-y + header-y)
Since commit fcc8487d47 ("uapi: export all headers under uapi
directories"), headers under UAPI directories are all exported.
So, there is no more difference between generated-y and genhdr-y.
We see two users of genhdr-y, arch/{arm,x86}/include/uapi/asm/Kbuild.
They generate some headers in arch/{arm,x86}/include/generated/uapi/asm
directories, which are obviously exported.
Replace them with generated-y, and abolish genhdr-y.
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Acked-by: Nicolas Dichtel <nicolas.dichtel@6wind.com>
Increase the maximum number of GPIOs on SoCFPGA as this platform
can have many GPIO controllers in the FPGA part.
Signed-off-by: Marek Vasut <marex@denx.de>
Signed-off-by: Dinh Nguyen <dinguyen@kernel.org>
Compiling the DT file with W=1, DTC warns like follows:
Warning (unit_address_vs_reg): Node /opp_table0/opp@1000000000 has a
unit name, but no reg property
Fix this by replacing '@' with '-' as the OPP nodes will never have a
"reg" property.
Reported-by: Krzysztof Kozlowski <krzk@kernel.org>
Reported-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Suggested-by: Mark Rutland <mark.rutland@arm.com>
Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Robert Jarzmik <robert.jarzmik@free.fr>
CRIU restores application mappings on the same place where they
were before Checkpoint. That means, that we need to move vDSO
and sigpage during restore on exactly the same place where
they were before C/R.
Make mremap() code update mm->context.{sigpage,vdso} pointers
during VMA move. Sigpage is used for landing after handling
a signal - if the pointer is not updated during moving, the
application might crash on any signal after mremap().
vDSO pointer on ARM32 is used only for setting auxv at this moment,
update it during mremap() in case of future usage.
Without those updates, current work of CRIU on ARM32 is not reliable.
Historically, we error Checkpointing if we find vDSO page on ARM32
and suggest user to disable CONFIG_VDSO.
But that's not correct - it goes from x86 where signal processing
is ended in vDSO blob. For arm32 it's sigpage, which is not disabled
with `CONFIG_VDSO=n'.
Looks like C/R was working by luck - because userspace on ARM32 at
this moment always sets SA_RESTORER.
Signed-off-by: Dmitry Safonov <dsafonov@virtuozzo.com>
Acked-by: Andy Lutomirski <luto@amacapital.net>
Cc: linux-arm-kernel@lists.infradead.org
Cc: Will Deacon <will.deacon@arm.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Cyrill Gorcunov <gorcunov@openvz.org>
Cc: Pavel Emelyanov <xemul@virtuozzo.com>
Cc: Christopher Covington <cov@codeaurora.org>
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
Conflicts:
kernel/sched/Makefile
Pick up the waitqueue related renames - it didn't get much feedback,
so it appears to be uncontroversial. Famous last words? ;-)
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Recent change to use cpuhp_setup_state_cpuslocked() with commit
fe2a5cd8aa ("ARM/hw_breakpoint: Use cpuhp_setup_state_cpuslocked()")
missed to change the related paired cpuhp_remove_state_nocalls_cpuslocked().
Now if arch_hw_breakpoint_init() fails, we get "WARNING: possible recursive
locking detected" on the exit path.
Fixes: fe2a5cd8aa ("ARM/hw_breakpoint: Use cpuhp_setup_state_cpuslocked()")
Signed-off-by: Tony Lindgren <tony@atomide.com>
Acked-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: linux-omap@vger.kernel.org
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Will Deacon <will.deacon@arm.com>
Cc: Steven Rostedt <rostedt@goodmis.org>
Cc: Russell King <linux@armlinux.org.uk>
Cc: "Paul E . McKenney" <paulmck@linux.vnet.ibm.com>
Cc: linux-arm-kernel@lists.infradead.org
Link: http://lkml.kernel.org/r/20170616082238.15553-1-tony@atomide.com
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
ARM and x86 had duplicated versions of the dma_ops structure, the
only difference is that x86 hasn't wired up the set_dma_mask,
mmap, and get_sgtable ops yet. On x86 all of them are identical
to the generic version, so they aren't needed but harmless.
All the symbols used only for xen_swiotlb_dma_ops can now be marked
static as well.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
commit 94647a3012 ("ARM: dts: omap3-overo: Enable WiFi/BT combo")
while enabling WiFi/BT combo added regulator to trigger the nReset
signal of the Bluetooth module in vqmmc-supply. However BT should be
handled by UART. Moreover "vqmmc" is not a defined binding for
omap_hsmmc. While "vqmmc" in mmc2 hasn't caused any issues so far,
mmc2 will start to mis-behave once omap_hsmmc defines "vqmmc"
binding.
Remove "vqmmc-supply" property in mmc2 here.
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
The external request lines are used by tusb6010 on OMAP24xx platforms.
Update the map so the driver can use dmaengine API to request the DMA
channel. At the same time add temporary map containing only the external
DMA request numbers for DT booted case on omap24xx since the tusb6010 stack
is not yet supports DT boot.
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Bin Liu <b-liu@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Stack guard page is a useful feature to reduce a risk of stack smashing
into a different mapping. We have been using a single page gap which
is sufficient to prevent having stack adjacent to a different mapping.
But this seems to be insufficient in the light of the stack usage in
userspace. E.g. glibc uses as large as 64kB alloca() in many commonly
used functions. Others use constructs liks gid_t buffer[NGROUPS_MAX]
which is 256kB or stack strings with MAX_ARG_STRLEN.
This will become especially dangerous for suid binaries and the default
no limit for the stack size limit because those applications can be
tricked to consume a large portion of the stack and a single glibc call
could jump over the guard page. These attacks are not theoretical,
unfortunatelly.
Make those attacks less probable by increasing the stack guard gap
to 1MB (on systems with 4k pages; but make it depend on the page size
because systems with larger base pages might cap stack allocations in
the PAGE_SIZE units) which should cover larger alloca() and VLA stack
allocations. It is obviously not a full fix because the problem is
somehow inherent, but it should reduce attack space a lot.
One could argue that the gap size should be configurable from userspace,
but that can be done later when somebody finds that the new 1MB is wrong
for some special case applications. For now, add a kernel command line
option (stack_guard_gap) to specify the stack gap size (in page units).
Implementation wise, first delete all the old code for stack guard page:
because although we could get away with accounting one extra page in a
stack vma, accounting a larger gap can break userspace - case in point,
a program run with "ulimit -S -v 20000" failed when the 1MB gap was
counted for RLIMIT_AS; similar problems could come with RLIMIT_MLOCK
and strict non-overcommit mode.
Instead of keeping gap inside the stack vma, maintain the stack guard
gap as a gap between vmas: using vm_start_gap() in place of vm_start
(or vm_end_gap() in place of vm_end if VM_GROWSUP) in just those few
places which need to respect the gap - mainly arch_get_unmapped_area(),
and and the vma tree's subtree_gap support for that.
Original-patch-by: Oleg Nesterov <oleg@redhat.com>
Original-patch-by: Michal Hocko <mhocko@suse.com>
Signed-off-by: Hugh Dickins <hughd@google.com>
Acked-by: Michal Hocko <mhocko@suse.com>
Tested-by: Helge Deller <deller@gmx.de> # parisc
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Stream of fixes has slowed down, only a few this week:
- Some DT fixes for Allwinner platforms, and addition of a clock to
the R_CCU clock controller that had been missed.
- A couple of small DT fixes for am335x-sl50.
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Merge tag 'armsoc-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC fixes from Olof Johansson:
"Stream of fixes has slowed down, only a few this week:
- Some DT fixes for Allwinner platforms, and addition of a clock to
the R_CCU clock controller that had been missed.
- A couple of small DT fixes for am335x-sl50"
* tag 'armsoc-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc:
arm64: allwinner: a64: Add PLL_PERIPH0 clock to the R_CCU
ARM: sunxi: h3-h5: Add PLL_PERIPH0 clock to the R_CCU
ARM: dts: am335x-sl50: Fix cannot claim requested pins for spi0
ARM: dts: am335x-sl50: Fix card detect pin for mmc1
arm64: allwinner: h5: Remove syslink to shared DTSI
ARM: sunxi: h3/h5: fix the compatible of R_CCU
Fix two compilation issues
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Merge tag 'at91-4.12-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux into next/soc
Bring in the fixes branch to avoid a merge conflict between new SoC options and
the build fix adding CONFIG_AMR_CPU_SUSPEND.
Fixes for 4.12:
Fix two compilation issues
* tag 'at91-4.12-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux:
ARM: at91: select CONFIG_ARM_CPU_SUSPEND
memory: atmel-ebi: mark PM ops as __maybe_unused
Signed-off-by: Olof Johansson <olof@lixom.net>
Linus Torvalds