The original patch submitted for support of the Luxul XWR-1750 used a
non-standard button handler for the reset button. This patch will allow
using the standard KEY_RESTART
Signed-off-by: Dan Haab <dan.haab@luxul.com>
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: Hauke Mehrtens <hauke@hauke-m.de>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/18981/
Signed-off-by: James Hogan <jhogan@kernel.org>
Merge updates from Andrew Morton:
- a few misc things
- ocfs2 updates
- the v9fs maintainers have been missing for a long time. I've taken
over v9fs patch slinging.
- most of MM
* emailed patches from Andrew Morton <akpm@linux-foundation.org>: (116 commits)
mm,oom_reaper: check for MMF_OOM_SKIP before complaining
mm/ksm: fix interaction with THP
mm/memblock.c: cast constant ULLONG_MAX to phys_addr_t
headers: untangle kmemleak.h from mm.h
include/linux/mmdebug.h: make VM_WARN* non-rvals
mm/page_isolation.c: make start_isolate_page_range() fail if already isolated
mm: change return type to vm_fault_t
mm, oom: remove 3% bonus for CAP_SYS_ADMIN processes
mm, page_alloc: wakeup kcompactd even if kswapd cannot free more memory
kernel/fork.c: detect early free of a live mm
mm: make counting of list_lru_one::nr_items lockless
mm/swap_state.c: make bool enable_vma_readahead and swap_vma_readahead() static
block_invalidatepage(): only release page if the full page was invalidated
mm: kernel-doc: add missing parameter descriptions
mm/swap.c: remove @cold parameter description for release_pages()
mm/nommu: remove description of alloc_vm_area
zram: drop max_zpage_size and use zs_huge_class_size()
zsmalloc: introduce zs_huge_class_size()
mm: fix races between swapoff and flush dcache
fs/direct-io.c: minor cleanups in do_blockdev_direct_IO
...
Make the function static to avoid a
warning: no previous prototype for ‘vmx_enable_tdp’
Signed-off-by: Peng Hao <peng.hao2@zte.com.cn>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Switch simpad's CF implementation to use the gpiod APIs. The inverted
detection is handled using gpiolib's native inversion abilities.
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
Convert nanoengine to use the generic CF socket support.
Makefile fix from Arnd Bergmann <arnd@arndb.de>.
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
Currently <linux/slab.h> #includes <linux/kmemleak.h> for no obvious
reason. It looks like it's only a convenience, so remove kmemleak.h
from slab.h and add <linux/kmemleak.h> to any users of kmemleak_* that
don't already #include it. Also remove <linux/kmemleak.h> from source
files that do not use it.
This is tested on i386 allmodconfig and x86_64 allmodconfig. It would
be good to run it through the 0day bot for other $ARCHes. I have
neither the horsepower nor the storage space for the other $ARCHes.
Update: This patch has been extensively build-tested by both the 0day
bot & kisskb/ozlabs build farms. Both of them reported 2 build failures
for which patches are included here (in v2).
[ slab.h is the second most used header file after module.h; kernel.h is
right there with slab.h. There could be some minor error in the
counting due to some #includes having comments after them and I didn't
combine all of those. ]
[akpm@linux-foundation.org: security/keys/big_key.c needs vmalloc.h, per sfr]
Link: http://lkml.kernel.org/r/e4309f98-3749-93e1-4bb7-d9501a39d015@infradead.org
Link: http://kisskb.ellerman.id.au/kisskb/head/13396/
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Reviewed-by: Ingo Molnar <mingo@kernel.org>
Reported-by: Michael Ellerman <mpe@ellerman.id.au> [2 build failures]
Reported-by: Fengguang Wu <fengguang.wu@intel.com> [2 build failures]
Reviewed-by: Andrew Morton <akpm@linux-foundation.org>
Cc: Wei Yongjun <weiyongjun1@huawei.com>
Cc: Luis R. Rodriguez <mcgrof@kernel.org>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Mimi Zohar <zohar@linux.vnet.ibm.com>
Cc: John Johansen <john.johansen@canonical.com>
Cc: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Thanks to commit 4b3ef9daa4fc ("mm/swap: split swap cache into 64MB
trunks"), after swapoff the address_space associated with the swap
device will be freed. So page_mapping() users which may touch the
address_space need some kind of mechanism to prevent the address_space
from being freed during accessing.
The dcache flushing functions (flush_dcache_page(), etc) in architecture
specific code may access the address_space of swap device for anonymous
pages in swap cache via page_mapping() function. But in some cases
there are no mechanisms to prevent the swap device from being swapoff,
for example,
CPU1 CPU2
__get_user_pages() swapoff()
flush_dcache_page()
mapping = page_mapping()
... exit_swap_address_space()
... kvfree(spaces)
mapping_mapped(mapping)
The address space may be accessed after being freed.
But from cachetlb.txt and Russell King, flush_dcache_page() only care
about file cache pages, for anonymous pages, flush_anon_page() should be
used. The implementation of flush_dcache_page() in all architectures
follows this too. They will check whether page_mapping() is NULL and
whether mapping_mapped() is true to determine whether to flush the
dcache immediately. And they will use interval tree (mapping->i_mmap)
to find all user space mappings. While mapping_mapped() and
mapping->i_mmap isn't used by anonymous pages in swap cache at all.
So, to fix the race between swapoff and flush dcache, __page_mapping()
is add to return the address_space for file cache pages and NULL
otherwise. All page_mapping() invoking in flush dcache functions are
replaced with page_mapping_file().
[akpm@linux-foundation.org: simplify page_mapping_file(), per Mike]
Link: http://lkml.kernel.org/r/20180305083634.15174-1-ying.huang@intel.com
Signed-off-by: "Huang, Ying" <ying.huang@intel.com>
Reviewed-by: Andrew Morton <akpm@linux-foundation.org>
Cc: Minchan Kim <minchan@kernel.org>
Cc: Michal Hocko <mhocko@suse.com>
Cc: Johannes Weiner <hannes@cmpxchg.org>
Cc: Mel Gorman <mgorman@techsingularity.net>
Cc: Dave Hansen <dave.hansen@intel.com>
Cc: Chen Liqin <liqin.linux@gmail.com>
Cc: Russell King <linux@armlinux.org.uk>
Cc: Yoshinori Sato <ysato@users.sourceforge.jp>
Cc: "James E.J. Bottomley" <jejb@parisc-linux.org>
Cc: Guan Xuetao <gxt@mprc.pku.edu.cn>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Chris Zankel <chris@zankel.net>
Cc: Vineet Gupta <vgupta@synopsys.com>
Cc: Ley Foon Tan <lftan@altera.com>
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Mike Rapoport <rppt@linux.vnet.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Patch series "mm, smaps: MMUPageSize for device-dax", v3.
Similar to commit 31383c6865a5 ("mm, hugetlbfs: introduce ->split() to
vm_operations_struct") here is another occasion where we want
special-case hugetlbfs/hstate enabling to also apply to device-dax.
This prompts the question what other hstate conversions we might do
beyond ->split() and ->pagesize(), but this appears to be the last of
the usages of hstate_vma() in generic/non-hugetlbfs specific code paths.
This patch (of 3):
The current powerpc definition of vma_mmu_pagesize() open codes looking
up the page size via hstate. It is identical to the generic
vma_kernel_pagesize() implementation.
Now, vma_kernel_pagesize() is growing support for determining the page
size of Device-DAX vmas in addition to the existing Hugetlbfs page size
determination.
Ideally, if the powerpc vma_mmu_pagesize() used vma_kernel_pagesize() it
would automatically benefit from any new vma-type support that is added
to vma_kernel_pagesize(). However, the powerpc vma_mmu_pagesize() is
prevented from calling vma_kernel_pagesize() due to a circular header
dependency that requires vma_mmu_pagesize() to be defined before
including <linux/hugetlb.h>.
Break this circular dependency by defining the default vma_mmu_pagesize()
as a __weak symbol to be overridden by the powerpc version.
Link: http://lkml.kernel.org/r/151996254179.27922.2213728278535578744.stgit@dwillia2-desk3.amr.corp.intel.com
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Reviewed-by: Andrew Morton <akpm@linux-foundation.org>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: Jane Chu <jane.chu@oracle.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Memory sections are combined into "memory block" chunks. These chunks
are the units upon which memory can be added and removed.
On x86, the new memory may be added after the end of the boot memory,
therefore, if block size does not align with end of boot memory, memory
hot-plugging/hot-removing can be broken.
Memory sections are combined into "memory block" chunks. These chunks
are the units upon which memory can be added and removed.
On x86 the new memory may be added after the end of the boot memory,
therefore, if block size does not align with end of boot memory, memory
hotplugging/hotremoving can be broken.
Currently, whenever machine is booted with more than 64G the block size
is unconditionally increased to 2G from the base 128M. This is done in
order to reduce number of memory device files in sysfs:
/sys/devices/system/memory/memoryXXX
We must use the largest allowed block size that aligns to the next
address to be able to hotplug the next block of memory.
So, when memory is larger or equal to 64G, we check the end address and
find the largest block size that is still power of two but smaller or
equal to 2G.
Before, the fix:
Run qemu with:
-m 64G,slots=2,maxmem=66G -object memory-backend-ram,id=mem1,size=2G
(qemu) device_add pc-dimm,id=dimm1,memdev=mem1
Block size [0x80000000] unaligned hotplug range: start 0x1040000000,
size 0x80000000
acpi PNP0C80:00: add_memory failed
acpi PNP0C80:00: acpi_memory_enable_device() error
acpi PNP0C80:00: Enumeration failure
With the fix memory is added successfully as the block size is set to
1G, and therefore aligns with start address 0x1040000000.
[pasha.tatashin@oracle.com: v4]
Link: http://lkml.kernel.org/r/20180215165920.8570-3-pasha.tatashin@oracle.com
Link: http://lkml.kernel.org/r/20180213193159.14606-3-pasha.tatashin@oracle.com
Signed-off-by: Pavel Tatashin <pasha.tatashin@oracle.com>
Reviewed-by: Ingo Molnar <mingo@kernel.org>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Steven Sistare <steven.sistare@oracle.com>
Cc: Daniel Jordan <daniel.m.jordan@oracle.com>
Cc: Mel Gorman <mgorman@techsingularity.net>
Cc: Michal Hocko <mhocko@suse.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Vlastimil Babka <vbabka@suse.cz>
Cc: Bharata B Rao <bharata@linux.vnet.ibm.com>
Cc: Dan Williams <dan.j.williams@intel.com>
Cc: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Cc: Baoquan He <bhe@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
alloc_contig_range() initiates compaction and eventual migration for the
purpose of either CMA or HugeTLB allocations. At present, the reason
code remains the same MR_CMA for either of these cases. Let's make it
MR_CONTIG_RANGE which will appropriately reflect the reason code in both
these cases.
Link: http://lkml.kernel.org/r/20180202091518.18798-1-khandual@linux.vnet.ibm.com
Signed-off-by: Anshuman Khandual <khandual@linux.vnet.ibm.com>
Acked-by: Michal Hocko <mhocko@suse.com>
Reviewed-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Calling __stack_chk_guard_setup() in decompress_kernel() is too late
that stack checking always fails for decompress_kernel() itself. So
remove __stack_chk_guard_setup() and initialize __stack_chk_guard before
we call decompress_kernel().
Original code comes from ARM but also used for MIPS and SH, so fix them
together. If without this fix, compressed booting of these archs will
fail because stack checking is enabled by default (>=4.16).
Link: http://lkml.kernel.org/r/1522226933-29317-1-git-send-email-chenhc@lemote.com
Fixes: 8779657d29c0 ("stackprotector: Introduce CONFIG_CC_STACKPROTECTOR_STRONG")
Signed-off-by: Huacai Chen <chenhc@lemote.com>
Acked-by: James Hogan <jhogan@kernel.org>
Acked-by: Kees Cook <keescook@chromium.org>
Acked-by: Rich Felker <dalias@libc.org>
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: Russell King <linux@arm.linux.org.uk>
Cc: Yoshinori Sato <ysato@users.sourceforge.jp>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This release brings up a new platform based on the old ARM9 core: the
Nuvoton NPCM is used as a baseboard management controller, competing
with the better known ASpeed AST2xx series.
Another important change is the addition of ARMv7-A based chips
in mach-stm32. The older parts in this platform are ARMv7-M based
microcontrollers, now they are expanding to general-purpose workloads.
The other changes are the usual defconfig updates to enable additional
drivers, lesser bugfixes. The largest updates as often are the ongoing
OMAP cleanups, but we also have a number of changes for the older
PXA and davinci platforms this time.
For the Renesas shmobile/r-car platform, some new infrastructure
is needed to make the watchdog work correctly.
Supporting Multiprocessing on Allwinner A80 required a significant
amount of new code, but is not doing anything unexpected.
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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:
"This release brings up a new platform based on the old ARM9 core: the
Nuvoton NPCM is used as a baseboard management controller, competing
with the better known ASpeed AST2xx series.
Another important change is the addition of ARMv7-A based chips in
mach-stm32. The older parts in this platform are ARMv7-M based
microcontrollers, now they are expanding to general-purpose workloads.
The other changes are the usual defconfig updates to enable additional
drivers, lesser bugfixes. The largest updates as often are the ongoing
OMAP cleanups, but we also have a number of changes for the older PXA
and davinci platforms this time.
For the Renesas shmobile/r-car platform, some new infrastructure is
needed to make the watchdog work correctly.
Supporting Multiprocessing on Allwinner A80 required a significant
amount of new code, but is not doing anything unexpected"
* tag 'armsoc-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (179 commits)
arm: npcm: modify configuration for the NPCM7xx BMC.
MAINTAINERS: update entry for ARM/berlin
ARM: omap2: fix am43xx build without L2X0
ARM: davinci: da8xx: simplify CFGCHIP regmap_config
ARM: davinci: da8xx: fix oops in USB PHY driver due to stack allocated platform_data
ARM: multi_v7_defconfig: add NXP FlexCAN IP support
ARM: multi_v7_defconfig: enable thermal driver for i.MX devices
ARM: multi_v7_defconfig: add RN5T618 PMIC family support
ARM: multi_v7_defconfig: add NXP graphics drivers
ARM: multi_v7_defconfig: add GPMI NAND controller support
ARM: multi_v7_defconfig: add OCOTP driver for NXP SoCs
ARM: multi_v7_defconfig: configure I2C driver built-in
arm64: defconfig: add CONFIG_UNIPHIER_THERMAL and CONFIG_SNI_AVE
ARM: imx: fix imx6sll-only build
ARM: imx: select ARM_CPU_SUSPEND for CPU_IDLE as well
ARM: mxs_defconfig: Re-sync defconfig
ARM: imx_v4_v5_defconfig: Use the generic fsl-asoc-card driver
ARM: imx_v4_v5_defconfig: Re-sync defconfig
arm64: defconfig: enable stmmac ethernet to defconfig
ARM: EXYNOS: Simplify code in coupled CPU idle hot path
...
This is the usual set of changes for device trees, with over 700
non-merged changesets. There is an ongoing set of dtc warning fixes and
the usual bugfixes, cleanups and added device support.
The most interesting bit as usual is support for new machines listed
below:
- The Allwinner H6 makes its debut with the Pine-H64 board, and we get
two new machines based on its older siblings: the H5 based OrangePi
Zero+ and the A64 based Teres-I Laptop from Olimex. On the 32-bit side,
we add The Olimex som204 based on Allwinner A20, and the Banana Pi M2
Zero development board (based on H2).
- NVIDIA adds support for Tegra194 aka "Xavier", plus their p2972
development board and p2888 CPU module.
- The Nuvoton npcm750 is a BMC that was newly added, for now we only
support running on the evaluation board.
- STmicroelectronics stm32 gains support for the stm32mp157c and two
evaluation boards.
- The Toradex Colibri board family grows a few members based on the
i.MX6ULL variant.
- The Advantec DMS-BA16 is a Qseven module using the NXP i.MX6
family of chips.
- The Phytec phyBOARD Mira is a family of industrial boards based on
i.MX6. For now, four models get added.
- TI am335x based PDU-001 is an industrial embedded machine used for
traffic monitoring
- The Aspeed platform now supports running on the BMC on the Qualcomm
Centriq 2400 server
- Samsung Exynos4 based Galaxy S3 is a family of mobile phones Qualcomm
msm8974 based Galaxy S5 is a rather different phone made by the same
company.
- The Xilinx Zynq and ZynqMP platforms now gained a lot of dts file
for the various boards made by Xilinx themselves, as well as the
Digilent Zybo Z7.
- The ARM Versatile family now supports the "IB2" interface board.
- The Renesas H2 based "Stout" and the H3 based Salvator-X are more
evaluation boards named after a kind of beer, as most of them are.
The r8a77980 (V3H) based "Condor" apparently doesn't follow that
tradition. ;-)
- ROC-RK3328-CC is a simple developement board from the Libre Computer
Project, based on the Rockchips RK3328 SoC
- Haiku is another development board plus Qseven module based on Rockchips
RK3368 and made by Theobroma Systems.
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Merge tag 'armsoc-dt' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC device tree updates from Arnd Bergmann:
"This is the usual set of changes for device trees, with over 700
non-merged changesets. There is an ongoing set of dtc warning fixes
and the usual bugfixes, cleanups and added device support.
The most interesting bit as usual is support for new machines listed
below:
- The Allwinner H6 makes its debut with the Pine-H64 board, and we
get two new machines based on its older siblings: the H5 based
OrangePi Zero+ and the A64 based Teres-I Laptop from Olimex. On the
32-bit side, we add The Olimex som204 based on Allwinner A20, and
the Banana Pi M2 Zero development board (based on H2).
- NVIDIA adds support for Tegra194 aka "Xavier", plus their p2972
development board and p2888 CPU module.
- The Nuvoton npcm750 is a BMC that was newly added, for now we only
support running on the evaluation board.
- STmicroelectronics stm32 gains support for the stm32mp157c and two
evaluation boards.
- The Toradex Colibri board family grows a few members based on the
i.MX6ULL variant.
- The Advantec DMS-BA16 is a Qseven module using the NXP i.MX6 family
of chips.
- The Phytec phyBOARD Mira is a family of industrial boards based on
i.MX6. For now, four models get added.
- TI am335x based PDU-001 is an industrial embedded machine used for
traffic monitoring
- The Aspeed platform now supports running on the BMC on the Qualcomm
Centriq 2400 server
- Samsung Exynos4 based Galaxy S3 is a family of mobile phones
Qualcomm msm8974 based Galaxy S5 is a rather different phone made
by the same company.
- The Xilinx Zynq and ZynqMP platforms now gained a lot of dts file
for the various boards made by Xilinx themselves, as well as the
Digilent Zybo Z7.
- The ARM Versatile family now supports the "IB2" interface board.
- The Renesas H2 based "Stout" and the H3 based Salvator-X are more
evaluation boards named after a kind of beer, as most of them are.
The r8a77980 (V3H) based "Condor" apparently doesn't follow that
tradition. ;-)
- ROC-RK3328-CC is a simple developement board from the Libre
Computer Project, based on the Rockchips RK3328 SoC
- Haiku is another development board plus Qseven module based on
Rockchips RK3368 and made by Theobroma Systems"
* tag 'armsoc-dt' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (701 commits)
arm: dts: modify Nuvoton NPCM7xx device tree structure
arm: dts: modify Makefile NPCM750 configuration name
arm: dts: modify clock binding in NPCM750 device tree
arm: dts: modify timer register size in NPCM750 device tree
arm: dts: modify UART compatible name in NPCM750 device tree
arm: dts: add watchdog device to NPCM750 device tree
arm64: dts: uniphier: add ethernet node for PXs3
ARM: dts: uniphier: add pinctrl groups of ethernet for second instance
arm: dts: kirkwood*.dts: use SPDX-License-Identifier for board using GPL-2.0+
arm: dts: kirkwood*.dts: use SPDX-License-Identifier for boards using GPL-2.0+/MIT
arm: dts: kirkwood*.dts: use SPDX-License-Identifier for boards using GPL-2.0
arm: dts: armada-385-turris-omnia: use SPDX-License-Identifier
arm: dts: armada-385-db-ap: use SPDX-License-Identifier
arm: dts: armada-388-rd: use SPDX-License-Identifier
arm: dts: armada-xp-db-xc3-24g4xg: use SPDX-License-Identifier
arm: dts: armada-xp-db-dxbc2: use SPDX-License-Identifier
arm: dts: armada-370-db: use SPDX-License-Identifier
arm: dts: armada-*.dts: use SPDX-License-Identifier for most of the Armada based board
arm: dts: armada-xp-98dx: use SPDX-License-Identifier for prestara 98d SoCs
arm: dts: armada-*.dtsi: use SPDX-License-Identifier for most of the Armada SoCs
...
- Sync dtc to upstream version v1.4.6-9-gaadd0b65c987. This adds a bunch
more warnings (hidden behind W=1).
- Build dtc lexer and parser files instead of using shipped versions.
- Rework overlay apply API to take an FDT as input and apply overlays in
a single step.
- Add a phandle lookup cache. This improves boot time by hundreds of
msec on systems with large DT.
- Add trivial mcp4017/18/19 potentiometers bindings.
- Remove VLA stack usage in DT code.
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Merge tag 'devicetree-for-4.17' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux
Pull DeviceTree updates from Rob Herring:
- Sync dtc to upstream version v1.4.6-9-gaadd0b65c987. This adds a
bunch more warnings (hidden behind W=1).
- Build dtc lexer and parser files instead of using shipped versions.
- Rework overlay apply API to take an FDT as input and apply overlays
in a single step.
- Add a phandle lookup cache. This improves boot time by hundreds of
msec on systems with large DT.
- Add trivial mcp4017/18/19 potentiometers bindings.
- Remove VLA stack usage in DT code.
* tag 'devicetree-for-4.17' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux: (26 commits)
of: unittest: fix an error code in of_unittest_apply_overlay()
of: unittest: move misplaced function declaration
of: unittest: Remove VLA stack usage
of: overlay: Fix forgotten reference to of_overlay_apply()
of: Documentation: Fix forgotten reference to of_overlay_apply()
of: unittest: local return value variable related cleanups
of: unittest: remove unneeded local return value variables
dt-bindings: trivial: add various mcp4017/18/19 potentiometers
of: unittest: fix an error test in of_unittest_overlay_8()
of: cache phandle nodes to reduce cost of of_find_node_by_phandle()
dt-bindings: rockchip-dw-mshc: use consistent clock names
MAINTAINERS: Add linux/of_*.h headers to appropriate subsystems
scripts: turn off some new dtc warnings by default
scripts/dtc: Update to upstream version v1.4.6-9-gaadd0b65c987
scripts/dtc: generate lexer and parser during build instead of shipping
powerpc: boot: add strrchr function
of: overlay: do not include path in full_name of added nodes
of: unittest: clean up changeset test
arm64/efi: Make strrchr() available to the EFI namespace
ARM: boot: add strrchr function
...
Pull siginfo updates from Eric Biederman:
"The work on cleaning up and getting the bugs out of siginfo generation
was largely stalled this round. The progress that was made was the
definition of FPE_FLTUNK. Which is usable to fix many of the cases
where siginfo generation is erroneously generating SI_USER by setting
si_code to 0, that has recently been tagged as FPE_FIXME.
You already have the change by way of the arm64 tree as that
definition was pulled into the arm64 tree to allow fixing the problem
there.
What remains is the second round of fixing for what I thought was a
trivial change to the struct siginfo when put the union in _sigfault
where it belongs. Do to historical reasons 32bit m68k only ensures
that pointers are 2 byte aligned. So I have added a m68k test case
made of BUILD_BUG_ONs to verify I have this fix correct and possibly
catch problems, and I have computed the number of bytes of padding
needed for the _addr_bnd and _addr_pkey cases and just use an array of
characters that size.
For pure paranoia I have written the code so if there is an
architecture out there that does not perform any alignment of
structures it should still work.
With the removal of all of the stale arechitectures this cycle future
work on cleaning up struct siginfo should be much easier. Almost all
of the conflicting si_code definitions have been removed with the
removal of (blackfin, tile, and frv). Plus some of the most difficult
to test cases have simply been removed from the tree.
Which means that with a little luck copy_siginfo_to_user can become a
light weight wrapper around copy_to_user in the next cycle"
* 'siginfo-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace:
m68k: Verify the offsets in struct siginfo never change.
signal: Correct the offset of si_pkey and si_lower in struct siginfo on m68k
Commit ee333554fed5 ("ARM: 8749/1: Kconfig: Add ARCH_HAS_FORTIFY_SOURCE")
introduced a new warning:
arch/arm/boot/compressed/misc.c: In function 'fortify_panic':
arch/arm/boot/compressed/misc.c:167:1: error: 'noreturn' function does return [-Werror]
The simple solution would be to make 'error' a noreturn function, but
this causes a prototype mismatch as the function is prototyped in
several .c files. So, move the function prototype to a new header.
There are also a couple of variables that are also declared in several
locations. Clean this up while we are here.
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
This is mostly updates of the usual drivers: arcmsr, qla2xx, lpfc,
ufs, mpt3sas, hisi_sas. In addition we have removed several really
old drivers: sym53c416, NCR53c406a, fdomain, fdomain_cs and removed
the old scsi_module.c initialization from all remaining drivers. Plus
an assortment of bug fixes, initialization errors and other minor
fixes.
Signed-off-by: James E.J. Bottomley <jejb@linux.vnet.ibm.com>
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Merge tag 'scsi-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi
Pull SCSI updates from James Bottomley:
"This is mostly updates of the usual drivers: arcmsr, qla2xx, lpfc,
ufs, mpt3sas, hisi_sas.
In addition we have removed several really old drivers: sym53c416,
NCR53c406a, fdomain, fdomain_cs and removed the old scsi_module.c
initialization from all remaining drivers.
Plus an assortment of bug fixes, initialization errors and other minor
fixes"
* tag 'scsi-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: (168 commits)
scsi: ufs: Add support for Auto-Hibernate Idle Timer
scsi: ufs: sysfs: reworking of the rpm_lvl and spm_lvl entries
scsi: qla2xxx: fx00 copypaste typo
scsi: qla2xxx: fix error message on <qla2400
scsi: smartpqi: update driver version
scsi: smartpqi: workaround fw bug for oq deletion
scsi: arcmsr: Change driver version to v1.40.00.05-20180309
scsi: arcmsr: Sleep to avoid CPU stuck too long for waiting adapter ready
scsi: arcmsr: Handle adapter removed due to thunderbolt cable disconnection.
scsi: arcmsr: Rename ACB_F_BUS_HANG_ON to ACB_F_ADAPTER_REMOVED for adapter hot-plug
scsi: qla2xxx: Update driver version to 10.00.00.06-k
scsi: qla2xxx: Fix Async GPN_FT for FCP and FC-NVMe scan
scsi: qla2xxx: Cleanup code to improve FC-NVMe error handling
scsi: qla2xxx: Fix FC-NVMe IO abort during driver reset
scsi: qla2xxx: Fix retry for PRLI RJT with reason of BUSY
scsi: qla2xxx: Remove nvme_done_list
scsi: qla2xxx: Return busy if rport going away
scsi: qla2xxx: Fix n2n_ae flag to prevent dev_loss on PDB change
scsi: qla2xxx: Add FC-NVMe abort processing
scsi: qla2xxx: Add changes for devloss timeout in driver
...
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Merge tag 'for-4.17/block-20180402' of git://git.kernel.dk/linux-block
Pull block layer updates from Jens Axboe:
"It's a pretty quiet round this time, which is nice. This contains:
- series from Bart, cleaning up the way we set/test/clear atomic
queue flags.
- series from Bart, fixing races between gendisk and queue
registration and removal.
- set of bcache fixes and improvements from various folks, by way of
Michael Lyle.
- set of lightnvm updates from Matias, most of it being the 1.2 to
2.0 transition.
- removal of unused DIO flags from Nikolay.
- blk-mq/sbitmap memory ordering fixes from Omar.
- divide-by-zero fix for BFQ from Paolo.
- minor documentation patches from Randy.
- timeout fix from Tejun.
- Alpha "can't write a char atomically" fix from Mikulas.
- set of NVMe fixes by way of Keith.
- bsg and bsg-lib improvements from Christoph.
- a few sed-opal fixes from Jonas.
- cdrom check-disk-change deadlock fix from Maurizio.
- various little fixes, comment fixes, etc from various folks"
* tag 'for-4.17/block-20180402' of git://git.kernel.dk/linux-block: (139 commits)
blk-mq: Directly schedule q->timeout_work when aborting a request
blktrace: fix comment in blktrace_api.h
lightnvm: remove function name in strings
lightnvm: pblk: remove some unnecessary NULL checks
lightnvm: pblk: don't recover unwritten lines
lightnvm: pblk: implement 2.0 support
lightnvm: pblk: implement get log report chunk
lightnvm: pblk: rename ppaf* to addrf*
lightnvm: pblk: check for supported version
lightnvm: implement get log report chunk helpers
lightnvm: make address conversions depend on generic device
lightnvm: add support for 2.0 address format
lightnvm: normalize geometry nomenclature
lightnvm: complete geo structure with maxoc*
lightnvm: add shorten OCSSD version in geo
lightnvm: add minor version to generic geometry
lightnvm: simplify geometry structure
lightnvm: pblk: refactor init/exit sequences
lightnvm: Avoid validation of default op value
lightnvm: centralize permission check for lightnvm ioctl
...
Pull trivial tree updates from Jiri Kosina.
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial:
kfifo: fix inaccurate comment
tools/thermal: tmon: fix for segfault
net: Spelling s/stucture/structure/
edd: don't spam log if no EDD information is present
Documentation: Fix early-microcode.txt references after file rename
tracing: Block comments should align the * on each line
treewide: Fix typos in printk
GenWQE: Fix a typo in two comments
treewide: Align function definition open/close braces
This became a large update. The changes are scattered widely,
and majority of them are attributed to ASoC componentization.
The gitk output made me dizzy, but it's slightly better than
London tube.
OK, below are some highlights:
- Continued hardening works in ALSA PCM core; most of the
existing syzkaller reports should have been covered.
- USB-audio got the initial USB Audio Class 3 support, as well
as UAC2 jack detection support and more DSD-device support.
- ASoC componentization: finally each individual driver was
converted to components framework, which is more future-proof
for further works. Most of conversations were systematic.
- Lots of fixes for Intel Baytrail / Cherrytrail devices with
Realtek codecs, typically tablets and small PCs.
- Fixes / cleanups for Samsung Odroid systems
- Cleanups in Freescale SSI driver
- New ASoC drivers:
* AKM AK4458 and AK5558 codecs
* A few AMD based machine drivers
* Intel Kabylake machine drivers
* Maxim MAX9759 codec
* Motorola CPCAP codec
* Socionext Uniphier SoCs
* TI PCM1789 and TDA7419 codecs
- Retirement of Blackfin drivers along with architecture removal.
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Merge tag 'sound-4.17-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
Pull sound updates from Takashi Iwai:
"This became a large update. The changes are scattered widely, and the
majority of them are attributed to ASoC componentization. The gitk
output made me dizzy, but it's slightly better than London tube.
OK, below are some highlights:
- Continued hardening works in ALSA PCM core; most of the existing
syzkaller reports should have been covered.
- USB-audio got the initial USB Audio Class 3 support, as well as
UAC2 jack detection support and more DSD-device support.
- ASoC componentization: finally each individual driver was converted
to components framework, which is more future-proof for further
works. Most of conversations were systematic.
- Lots of fixes for Intel Baytrail / Cherrytrail devices with Realtek
codecs, typically tablets and small PCs.
- Fixes / cleanups for Samsung Odroid systems
- Cleanups in Freescale SSI driver
- New ASoC drivers:
* AKM AK4458 and AK5558 codecs
* A few AMD based machine drivers
* Intel Kabylake machine drivers
* Maxim MAX9759 codec
* Motorola CPCAP codec
* Socionext Uniphier SoCs
* TI PCM1789 and TDA7419 codecs
- Retirement of Blackfin drivers along with architecture removal"
* tag 'sound-4.17-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: (497 commits)
ALSA: pcm: Fix UAF at PCM release via PCM timer access
ALSA: usb-audio: silence a static checker warning
ASoC: tscs42xx: Remove owner assignment from i2c_driver
ASoC: mediatek: remove "simple-mfd" in the example
ASoC: cpcap: replace codec to component
ASoC: Intel: bytcr_rt5651: don't use codec anymore
ASoC: amd: don't use codec anymore
ALSA: usb-audio: fix memory leak on cval
ALSA: pcm: Fix mutex unbalance in OSS emulation ioctls
ASoC: topology: Fix kcontrol name string handling
ALSA: aloop: Mark paused device as inactive
ALSA: usb-audio: update clock valid control
ALSA: usb-audio: UAC2 jack detection
ALSA: pcm: Return -EBUSY for OSS ioctls changing busy streams
ALSA: pcm: Avoid potential races between OSS ioctls and read/write
ALSA: usb-audio: Integrate native DSD support for ITF-USB based DACs.
ALSA: usb-audio: FIX native DSD support for TEAC UD-501 DAC
ALSA: usb-audio: Add native DSD support for Luxman DA-06
ALSA: usb-audio: fix uac control query argument
ASoC: nau8824: recover system clock when device changes
...
Prepare the scheduler tick code for reworking the idle loop to
avoid stopping the tick in some cases.
The idea is to split the nohz idle entry call to decouple the idle
time stats accounting and preparatory work from the actual tick stop
code, in order to later be able to delay the tick stop once we reach
more power-knowledgeable callers.
Move away the tick_nohz_start_idle() invocation from
__tick_nohz_idle_enter(), rename the latter to
__tick_nohz_idle_stop_tick() and define tick_nohz_idle_stop_tick()
as a wrapper around it for calling it from the outside.
Make tick_nohz_idle_enter() only call tick_nohz_start_idle() instead
of calling the entire __tick_nohz_idle_enter(), add another wrapper
disabling and enabling interrupts around tick_nohz_idle_stop_tick()
and make the current callers of tick_nohz_idle_enter() call it too
to retain their current functionality.
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Reviewed-by: Frederic Weisbecker <frederic@kernel.org>
Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org>
New drivers:
- Nintendo Wii GameCube GPIO, known as "Hollywood"
- Raspberry Pi mailbox service GPIO expander
- Spreadtrum main SC9860 SoC and IEC GPIO controllers.
Improvements:
- Implemented .get_multiple() callback for most of the
high-performance industrial GPIO cards for the ISA bus.
- ISA GPIO drivers now select the ISA_BUS_API instead of
depending on it. This is merged with the same pattern
for all the ISA drivers and some other Kconfig cleanups
related to this.
Cleanup:
- Delete the TZ1090 GPIO drivers following the deletion of
this SoC from the ARM tree.
- Move the documentation over to driver-api to conform with
the rest of the kernel documentation build.
- Continue to make the GPIO drivers include only
<linux/gpio/driver.h> and not the too broad <linux/gpio.h>
that we want to get rid of.
- Managed to remove VLA allocation from two drivers pending
more fixes in this area for the next merge window.
- Misc janitorial fixes.
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Merge tag 'gpio-v4.17-1' 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 v4.17 kernel cycle:
New drivers:
- Nintendo Wii GameCube GPIO, known as "Hollywood"
- Raspberry Pi mailbox service GPIO expander
- Spreadtrum main SC9860 SoC and IEC GPIO controllers.
Improvements:
- Implemented .get_multiple() callback for most of the
high-performance industrial GPIO cards for the ISA bus.
- ISA GPIO drivers now select the ISA_BUS_API instead of depending on
it. This is merged with the same pattern for all the ISA drivers
and some other Kconfig cleanups related to this.
Cleanup:
- Delete the TZ1090 GPIO drivers following the deletion of this SoC
from the ARM tree.
- Move the documentation over to driver-api to conform with the rest
of the kernel documentation build.
- Continue to make the GPIO drivers include only
<linux/gpio/driver.h> and not the too broad <linux/gpio.h> that we
want to get rid of.
- Managed to remove VLA allocation from two drivers pending more
fixes in this area for the next merge window.
- Misc janitorial fixes"
* tag 'gpio-v4.17-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio: (77 commits)
gpio: Add Spreadtrum PMIC EIC driver support
gpio: Add Spreadtrum EIC driver support
dt-bindings: gpio: Add Spreadtrum EIC controller documentation
gpio: ath79: Fix potential NULL dereference in ath79_gpio_probe()
pinctrl: qcom: Don't allow protected pins to be requested
gpiolib: Support 'gpio-reserved-ranges' property
gpiolib: Change bitmap allocation to kmalloc_array
gpiolib: Extract mask allocation into subroutine
dt-bindings: gpio: Add a gpio-reserved-ranges property
gpio: mockup: fix a potential crash when creating debugfs entries
gpio: pca953x: add compatibility for pcal6524 and pcal9555a
gpio: dwapb: Add support for a bus clock
gpio: Remove VLA from xra1403 driver
gpio: Remove VLA from MAX3191X driver
gpio: ws16c48: Implement get_multiple callback
gpio: gpio-mm: Implement get_multiple callback
gpio: 104-idi-48: Implement get_multiple callback
gpio: 104-dio-48e: Implement get_multiple callback
gpio: pcie-idio-24: Implement get_multiple/set_multiple callbacks
gpio: pci-idio-16: Implement get_multiple callback
...
To reduce the chance that random user space content leaks down the call
chain in registers, also clear lower registers on syscall entry:
For 64-bit syscalls, extend the register clearing in PUSH_AND_CLEAR_REGS
to %dx and %cx. This should not hurt at all, also on the other callers
of that macro. We do not need to clear %rdi and %rsi for syscall entry,
as those registers are used to pass the parameters to do_syscall_64().
For the 32-bit compat syscalls, do_int80_syscall_32() and
do_fast_syscall_32() each only take one parameter. Therefore, extend the
register clearing to %dx, %cx, and %si in entry_SYSCALL_compat and
entry_INT80_compat.
Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
Acked-by: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Andy Lutomirski <luto@kernel.org>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Brian Gerst <brgerst@gmail.com>
Cc: Denys Vlasenko <dvlasenk@redhat.com>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Josh Poimboeuf <jpoimboe@redhat.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Link: http://lkml.kernel.org/r/20180405095307.3730-8-linux@dominikbrodowski.net
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Extend ARCH_HAS_SYSCALL_WRAPPER for i386 emulation and for x32 on 64-bit
x86.
For x32, all we need to do is to create an additional stub for each
compat syscall which decodes the parameters in x86-64 ordering, e.g.:
asmlinkage long __compat_sys_x32_xyzzy(struct pt_regs *regs)
{
return c_SyS_xyzzy(regs->di, regs->si, regs->dx);
}
For i386 emulation, we need to teach compat_sys_*() to take struct
pt_regs as its only argument, e.g.:
asmlinkage long __compat_sys_ia32_xyzzy(struct pt_regs *regs)
{
return c_SyS_xyzzy(regs->bx, regs->cx, regs->dx);
}
In addition, we need to create additional stubs for common syscalls
(that is, for syscalls which have the same parameters on 32-bit and
64-bit), e.g.:
asmlinkage long __sys_ia32_xyzzy(struct pt_regs *regs)
{
return c_sys_xyzzy(regs->bx, regs->cx, regs->dx);
}
This approach avoids leaking random user-provided register content down
the call chain.
This patch is based on an original proof-of-concept
| From: Linus Torvalds <torvalds@linux-foundation.org>
| Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
and was split up and heavily modified by me, in particular to base it on
ARCH_HAS_SYSCALL_WRAPPER.
Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
Acked-by: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Andy Lutomirski <luto@kernel.org>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Brian Gerst <brgerst@gmail.com>
Cc: Denys Vlasenko <dvlasenk@redhat.com>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Josh Poimboeuf <jpoimboe@redhat.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Link: http://lkml.kernel.org/r/20180405095307.3730-6-linux@dominikbrodowski.net
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Let's make use of ARCH_HAS_SYSCALL_WRAPPER=y on pure 64-bit x86-64 systems:
Each syscall defines a stub which takes struct pt_regs as its only
argument. It decodes just those parameters it needs, e.g:
asmlinkage long sys_xyzzy(const struct pt_regs *regs)
{
return SyS_xyzzy(regs->di, regs->si, regs->dx);
}
This approach avoids leaking random user-provided register content down
the call chain.
For example, for sys_recv() which is a 4-parameter syscall, the assembly
now is (in slightly reordered fashion):
<sys_recv>:
callq <__fentry__>
/* decode regs->di, ->si, ->dx and ->r10 */
mov 0x70(%rdi),%rdi
mov 0x68(%rdi),%rsi
mov 0x60(%rdi),%rdx
mov 0x38(%rdi),%rcx
[ SyS_recv() is automatically inlined by the compiler,
as it is not [yet] used anywhere else ]
/* clear %r9 and %r8, the 5th and 6th args */
xor %r9d,%r9d
xor %r8d,%r8d
/* do the actual work */
callq __sys_recvfrom
/* cleanup and return */
cltq
retq
The only valid place in an x86-64 kernel which rightfully calls
a syscall function on its own -- vsyscall -- needs to be modified
to pass struct pt_regs onwards as well.
To keep the syscall table generation working independent of
SYSCALL_PTREGS being enabled, the stubs are named the same as the
"original" syscall stubs, i.e. sys_*().
This patch is based on an original proof-of-concept
| From: Linus Torvalds <torvalds@linux-foundation.org>
| Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
and was split up and heavily modified by me, in particular to base it on
ARCH_HAS_SYSCALL_WRAPPER, to limit it to 64-bit-only for the time being,
and to update the vsyscall to the new calling convention.
Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
Acked-by: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Andy Lutomirski <luto@kernel.org>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Brian Gerst <brgerst@gmail.com>
Cc: Denys Vlasenko <dvlasenk@redhat.com>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Josh Poimboeuf <jpoimboe@redhat.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Link: http://lkml.kernel.org/r/20180405095307.3730-4-linux@dominikbrodowski.net
Signed-off-by: Ingo Molnar <mingo@kernel.org>
We have it in a register in the low-level asm, just pass it in as an
argument rather than have do_syscall_64() load it back in from the
ptregs pointer.
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
Cc: Andy Lutomirski <luto@kernel.org>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Brian Gerst <brgerst@gmail.com>
Cc: Denys Vlasenko <dvlasenk@redhat.com>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Josh Poimboeuf <jpoimboe@redhat.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Link: http://lkml.kernel.org/r/20180405095307.3730-2-linux@dominikbrodowski.net
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Modify configuration and MakeFile
for the Nuvoton NPCM and NPCM7xx BMC.
[arnd: took this one late, since it fixes some build problems
with the original commit]
Signed-off-by: Tomer Maimon <tmaimon77@gmail.com>
Reviewed-by: Brendan Higgins <brendanhiggins@google.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Modify Nuvoton NPCM7xx device tree structure by adding
nuvoton common nNPCM7xx device tree structure that
include all common modules.
Signed-off-by: Tomer Maimon <tmaimon77@gmail.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Modify clock binding in a common device tree for all Nuvoton
NPCM750 BMCs.
Modify NPCM750 modules clock numbers accourding the new
clock driver.
Signed-off-by: Tomer Maimon <tmaimon77@gmail.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Modify timer register size in a common device tree for all Nuvoton
NPCM750 BMCs.
Signed-off-by: Tomer Maimon <tmaimon77@gmail.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Modify UART compatible name in a common device tree for all Nuvoton
NPCM750 BMCs.
Signed-off-by: Tomer Maimon <tmaimon77@gmail.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Add watchdog device node to a common device tree for all Nuvoton
NPCM750 BMCs and a board specific device tree for the NPCM750 (Poleg)
evaluation board.
Signed-off-by: Tomer Maimon <tmaimon77@gmail.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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Merge tag 'davinci-for-v4.17/soc-2' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/nsekhar/linux-davinci into next/soc
Pull "DaVinci SoC update fixes for v4.17" from Sekhar Nori:
A fix and a clean-up patch for content previously queued for v4.17.
* tag 'davinci-for-v4.17/soc-2' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/nsekhar/linux-davinci:
ARM: davinci: da8xx: simplify CFGCHIP regmap_config
ARM: davinci: da8xx: fix oops in USB PHY driver due to stack allocated platform_data
When CONFIG_CACHE_L2X0 is disabled, the am43xx specific suspend
implemnentation fails to link:
arch/arm/mach-omap2/sleep43xx.o: In function `get_l2cache_base':
(.text+0x180): undefined reference to `omap4_get_l2cache_base'
This adds an #ifdef protection around the code, like we do for am44xx.
Fixes: 41d37e61372f ("ARM: OMAP2+: Introduce low-level suspend code for AM43XX")
Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Consistently use types provided by <linux/types.h> to fix the following
asm/bootparam.h userspace compilation errors:
/usr/include/asm/bootparam.h:140:2: error: unknown type name 'u16'
u16 version;
/usr/include/asm/bootparam.h:141:2: error: unknown type name 'u16'
u16 compatible_version;
/usr/include/asm/bootparam.h:142:2: error: unknown type name 'u16'
u16 pm_timer_address;
/usr/include/asm/bootparam.h:143:2: error: unknown type name 'u16'
u16 num_cpus;
/usr/include/asm/bootparam.h:144:2: error: unknown type name 'u64'
u64 pci_mmconfig_base;
/usr/include/asm/bootparam.h:145:2: error: unknown type name 'u32'
u32 tsc_khz;
/usr/include/asm/bootparam.h:146:2: error: unknown type name 'u32'
u32 apic_khz;
/usr/include/asm/bootparam.h:147:2: error: unknown type name 'u8'
u8 standard_ioapic;
/usr/include/asm/bootparam.h:148:2: error: unknown type name 'u8'
u8 cpu_ids[255];
Signed-off-by: Dmitry V. Levin <ldv@altlinux.org>
Acked-by: Jan Kiszka <jan.kiszka@siemens.com>
Cc: <stable@vger.kernel.org> # v4.16
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Fixes: 4a362601baa6 ("x86/jailhouse: Add infrastructure for running in non-root cell")
Link: http://lkml.kernel.org/r/20180405043210.GA13254@altlinux.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>
This patch removes a redundant store on regs->flags introduced
by commit:
71eb9ee9596d ("perf/x86/intel: Fix linear IP of PEBS real_ip on Haswell and later CPUs")
We were clearing the PERF_EFLAGS_EXACT but it was overwritten by
regs->flags = pebs->flags later on.
The PERF_EFLAGS_EXACT is a software flag using bit 3 of regs->flags.
X86 marks this bit as Reserved. To make sure this bit is zero before
we do any IP processing, we clear it explicitly.
Patch also removes the following assignment:
regs->flags = pebs->flags | (regs->flags & PERF_EFLAGS_VM);
Because there is no regs->flags to preserve anymore because
set_linear_ip() is not called until later.
Signed-off-by: Stephane Eranian <eranian@google.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Vince Weaver <vincent.weaver@maine.edu>
Cc: kan.liang@intel.com
Link: http://lkml.kernel.org/r/1522909791-32498-1-git-send-email-eranian@google.com
[ Improve capitalization, punctuation and clarity of comments. ]
Signed-off-by: Ingo Molnar <mingo@kernel.org>
POWER8 restores AMOR when waking from deep sleep, but POWER9 does not,
because it does not go through the subcore restore.
Have POWER9 restore it in core restore.
Fixes: ee97b6b99f42 ("powerpc/mm/radix: Setup AMOR in HV mode to allow key 0")
Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
The CPU_FTR_POWER9_DD2_1 flag is intended to be set for DD2.1 and
above (which is what the dt_cpu_ftrs setup does). Fix cputable for
DD2.2 to match.
This came about due to patches b5af4f279323 ("powerpc: Add CPU feature
bits for TM bug workarounds on POWER9 v2.2"), and 9e9626ed3a4a
("powerpc/64s: Fix POWER9 DD2.2 and above in DT CPU features") being
in-flight at once. The latter patch fixed dt_cpu_ftrs like this one
does. The former changed cputable to match dt_cpu_ftrs.
Fixes: b5af4f279323 ("powerpc: Add CPU feature bits for TM bug workarounds on POWER9 v2.2")
Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
The pkey code added a CPU_FTR_PKEY bit, but did not add it to the
dt_cpu_ftrs feature set. Although capability is supported by all
processors in the base dt_cpu_ftrs set for 64s, it's a significant
and sufficiently well defined feature to make it optional. So add
it as a quirk for now, which can be versioned out then controlled
by the firmware (once dt_cpu_ftrs gains versioning support).
Fixes: cf43d3b26452 ("powerpc: Enable pkey subsystem")
Cc: stable@vger.kernel.org # v4.16+
Cc: Ram Pai <linuxram@us.ibm.com>
Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Presently the dt_cpu_ftrs restore_cpu will only add bits to the LPCR
for secondaries, but some bits must be removed (e.g., UPRT for HPT).
Not clearing these bits on secondaries causes checkstops when booting
with disable_radix.
restore_cpu can not just set LPCR, because it is also called by the
idle wakeup code which relies on opal_slw_set_reg to restore the value
of LPCR, at least on P8 which does not save LPCR to stack in the idle
code.
Fix this by including a mask of bits to clear from LPCR as well, which
is used by restore_cpu.
This is a little messy now, but it's a minimal fix that can be
backported. Longer term, the idle SPR save/restore code can be
reworked to completely avoid calls to restore_cpu, then restore_cpu
would be able to unconditionally set LPCR to match boot processor
environment.
Fixes: 5a61ef74f269f ("powerpc/64s: Support new device tree binding for discovering CPU features")
Cc: stable@vger.kernel.org # v4.12+
Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
As described in that commit:
When stop is executed with EC=ESL=0, it appears to execute like a
normal instruction (resuming from NIP when woken by interrupt). So
all the save/restore handling can be avoided completely.
This is true, except in the case of an NMI interrupt (sreset or
machine check) interrupting the instruction. In that case, the NMI
gets an "interrupt occurred while the processor was in power-saving
mode" indication. The power-save wakeup code uses that bit to decide
whether to restore some registers (e.g., LR). Because these are no
longer saved, this causes random register corruption.
It may be possible to restore this optimisation by detecting the case
of no register loss on the wakeup side, and avoid restoring in that
case, but that's not a minor fix because the wakeup code itself uses
some registers that would be live (e.g., LR).
Fixes: b9ee31e100e7 ("powerpc/64s/idle: POWER9 ESL=0 stop avoid save/restore overhead")
Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
These functions will be introduced into the generic iomap.c so they
can deal with PIO accesses in hi-lo/lo-hi variants. Thus, the powerpc
version of iomap.c will need to provide the same functions even
though, in this arch, they are identical to the regular
io{read|write}64 functions.
Signed-off-by: Logan Gunthorpe <logang@deltatee.com>
Tested-by: Horia Geantă <horia.geanta@nxp.com>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Subsequent patches in this series makes use of the readq and writeq
defines in iomap.h. However, as is, they get missed on the powerpc
platform seeing the include comes before the define. This patch moves
the include down to fix this.
Signed-off-by: Logan Gunthorpe <logang@deltatee.com>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Here is the big set of char/misc driver patches for 4.17-rc1.
There are a lot of little things in here, nothing huge, but all
important to the different hardware types involved:
- thunderbolt driver updates
- parport updates (people still care...)
- nvmem driver updates
- mei updates (as always)
- hwtracing driver updates
- hyperv driver updates
- extcon driver updates
- and a handfull of even smaller driver subsystem and individual
driver updates
All of these have been in linux-next with no reported issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'char-misc-4.17-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
Pull char/misc updates from Greg KH:
"Here is the big set of char/misc driver patches for 4.17-rc1.
There are a lot of little things in here, nothing huge, but all
important to the different hardware types involved:
- thunderbolt driver updates
- parport updates (people still care...)
- nvmem driver updates
- mei updates (as always)
- hwtracing driver updates
- hyperv driver updates
- extcon driver updates
- ... and a handful of even smaller driver subsystem and individual
driver updates
All of these have been in linux-next with no reported issues"
* tag 'char-misc-4.17-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (149 commits)
hwtracing: Add HW tracing support menu
intel_th: Add ACPI glue layer
intel_th: Allow forcing host mode through drvdata
intel_th: Pick up irq number from resources
intel_th: Don't touch switch routing in host mode
intel_th: Use correct method of finding hub
intel_th: Add SPDX GPL-2.0 header to replace GPLv2 boilerplate
stm class: Make dummy's master/channel ranges configurable
stm class: Add SPDX GPL-2.0 header to replace GPLv2 boilerplate
MAINTAINERS: Bestow upon myself the care for drivers/hwtracing
hv: add SPDX license id to Kconfig
hv: add SPDX license to trace
Drivers: hv: vmbus: do not mark HV_PCIE as perf_device
Drivers: hv: vmbus: respect what we get from hv_get_synint_state()
/dev/mem: Avoid overwriting "err" in read_mem()
eeprom: at24: use SPDX identifier instead of GPL boiler-plate
eeprom: at24: simplify the i2c functionality checking
eeprom: at24: fix a line break
eeprom: at24: tweak newlines
eeprom: at24: refactor at24_probe()
...
Here is the big set of Staging/IIO driver patches for 4.17-rc1.
It is a lot, over 500 changes, but not huge by previous kernel release
standards. We deleted more lines than we added again (27k added vs. 91k
remvoed), thanks to finally being able to delete the IRDA drivers and
networking code.
We also deleted the ccree crypto driver, but that's coming back in
through the crypto tree to you, in a much cleaned-up form.
Added this round is at lot of "mt7621" device support, which is for an
embedded device that Neil Brown cares about, and of course a handful of
new IIO drivers as well.
And finally, the fsl-mc core code moved out of the staging tree to the
"real" part of the kernel, which is nice to see happen as well.
Full details are in the shortlog, which has all of the tiny cleanup
patches described.
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 'staging-4.17-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging
Pull staging/IIO updates from Greg KH:
"Here is the big set of Staging/IIO driver patches for 4.17-rc1.
It is a lot, over 500 changes, but not huge by previous kernel release
standards. We deleted more lines than we added again (27k added vs.
91k remvoed), thanks to finally being able to delete the IRDA drivers
and networking code.
We also deleted the ccree crypto driver, but that's coming back in
through the crypto tree to you, in a much cleaned-up form.
Added this round is at lot of "mt7621" device support, which is for an
embedded device that Neil Brown cares about, and of course a handful
of new IIO drivers as well.
And finally, the fsl-mc core code moved out of the staging tree to the
"real" part of the kernel, which is nice to see happen as well.
Full details are in the shortlog, which has all of the tiny cleanup
patches described.
All of these have been in linux-next for a while with no reported
issues"
* tag 'staging-4.17-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging: (579 commits)
staging: rtl8723bs: Remove yield call, replace with cond_resched()
staging: rtl8723bs: Replace yield() call with cond_resched()
staging: rtl8723bs: Remove unecessary newlines from 'odm.h'.
staging: rtl8723bs: Rework 'struct _ODM_Phy_Status_Info_' coding style.
staging: rtl8723bs: Rework 'struct _ODM_Per_Pkt_Info_' coding style.
staging: rtl8723bs: Replace NULL pointer comparison with '!'.
staging: rtl8723bs: Factor out rtl8723bs_recv_tasklet() sections.
staging: rtl8723bs: Fix function signature that goes over 80 characters.
staging: rtl8723bs: Fix lines too long in update_recvframe_attrib().
staging: rtl8723bs: Remove unnecessary blank lines in 'rtl8723bs_recv.c'.
staging: rtl8723bs: Change camel case to snake case in 'rtl8723bs_recv.c'.
staging: rtl8723bs: Add missing braces in else statement.
staging: rtl8723bs: Add spaces around ternary operators.
staging: rtl8723bs: Fix lines with trailing open parentheses.
staging: rtl8723bs: Remove unnecessary length #define's.
staging: rtl8723bs: Fix IEEE80211 authentication algorithm constants.
staging: rtl8723bs: Fix alignment in rtw_wx_set_auth().
staging: rtl8723bs: Remove braces from single statement conditionals.
staging: rtl8723bs: Remove unecessary braces from switch statement.
staging: rtl8723bs: Fix newlines in rtw_wx_set_auth().
...
Here is the big set of tty and serial driver patches for 4.17-rc1
Not all that big really, most are just small fixes and additions to
existing drivers. There's a bunch of work on the imx serial driver
recently for some reason, and a new embedded serial driver added as
well.
Full details are in the shortlog.
All of these have been in the linux-next tree for a while with no
reported issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'tty-4.17-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty
Pull tty/serial driver updates from Greg KH:
"Here is the big set of tty and serial driver patches for 4.17-rc1
Not all that big really, most are just small fixes and additions to
existing drivers. There's a bunch of work on the imx serial driver
recently for some reason, and a new embedded serial driver added as
well.
Full details are in the shortlog.
All of these have been in the linux-next tree for a while with no
reported issues"
* tag 'tty-4.17-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty: (66 commits)
serial: expose buf_overrun count through proc interface
serial: mvebu-uart: fix tx lost characters
tty: serial: msm_geni_serial: Fix return value check in qcom_geni_serial_probe()
tty: serial: msm_geni_serial: Add serial driver support for GENI based QUP
8250-men-mcb: add support for 16z025 and 16z057
powerpc: Mark the variable earlycon_acpi_spcr_enable maybe_unused
serial: stm32: fix initialization of RS485 mode
ARM: dts: STi: Remove "console=ttyASN" from bootargs for STi boards
vt: change SGR 21 to follow the standards
serdev: Fix typo in serdev_device_alloc
ARM: dts: STi: Fix aliases property name for STi boards
tty: st-asc: Update tty alias
serial: stm32: add support for RS485 hardware control mode
dt-bindings: serial: stm32: add RS485 optional properties
selftests: add devpts selftests
devpts: comment devpts_mntget()
devpts: resolve devpts bind-mounts
devpts: hoist out check for DEVPTS_SUPER_MAGIC
serial: 8250: Add Nuvoton NPCM UART
serial: mxs-auart: disable clks of Alphascale ASM9260
...
