In order to specify that the mlxsw switchx2 driver needs additional
headroom for packets, there have been use of the hard_header_len field of
the netdevice struct.
This commit changes that to use needed_headroom instead, as this is the
correct way to do that.
Fixes: 31557f0f97 ("mlxsw: Introduce Mellanox SwitchX-2 ASIC support")
Signed-off-by: Yotam Gigi <yotamg@mellanox.com>
Acked-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
In order to specify that the mlxsw spectrum driver needs additional
headroom for packets, there have been use of the hard_header_len field of
the netdevice struct.
This commit changes that to use needed_headroom instead, as this is the
correct way to do that.
Fixes: 56ade8fe3f ("mlxsw: spectrum: Add initial support for Spectrum ASIC")
Signed-off-by: Yotam Gigi <yotamg@mellanox.com>
Acked-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
* Neighbor Awareness Networking (NAN) APIs
* a fix for a previous patch that caused memory corruption
in wireless extensions key settings
* beacon rate configuration for AP and mesh
* memory limits for mac80211's internal TXQs
* a (fairly involved) fix for the TXQ vs. crypto problems
* direct cfg80211 driver API for WEP keys
This also pulls in net-next to fix the merge conflicts, see
the merge commit for more details.
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Merge tag 'mac80211-next-for-davem-2016-10-04' of git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211-next
Johannes Berg says:
====================
This time around, we have
* Neighbor Awareness Networking (NAN) APIs
* a fix for a previous patch that caused memory corruption
in wireless extensions key settings
* beacon rate configuration for AP and mesh
* memory limits for mac80211's internal TXQs
* a (fairly involved) fix for the TXQ vs. crypto problems
* direct cfg80211 driver API for WEP keys
This also pulls in net-next to fix the merge conflicts, see
the merge commit for more details.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Parse the memsize argument provided by the bootloader in the DT shim
code, allowing the user to override it on the command line. This places
all of the DT manipulation code into sead3-dtshim.c.
Signed-off-by: Paul Burton <paul.burton@imgtec.com>
Cc: Matt Redfearn <matt.redfearn@imgtec.com>
Cc: Rob Herring <robh@kernel.org>
Cc: Kefeng Wang <wangkefeng.wang@huawei.com>
Cc: linux-mips@linux-mips.org
Cc: linux-kernel@vger.kernel.org
Patchwork: https://patchwork.linux-mips.org/patch/14058/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Remove the custom platform code to restart when instructed to power off,
instead relying upon the generic restart-poweroff driver probed via DT
to do the same thing.
Remove also the halt implementation, which is incorrect. The generic
MIPS version will hang the system as halt should.
Signed-off-by: Paul Burton <paul.burton@imgtec.com>
Cc: Jacek Anaszewski <j.anaszewski@samsung.com>
Cc: Rob Herring <robh+dt@kernel.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: linux-mips@linux-mips.org
Cc: devicetree@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
Patchwork: https://patchwork.linux-mips.org/patch/14057/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Probe a driver for the PLED & FLED LEDs found on the SEAD3 board using
the register-bit-led driver via device tree, rather than a custom driver
via platform code. Enable support for the register-bit-led driver & its
prerequisite syscon in sead3_defconfig.
Signed-off-by: Paul Burton <paul.burton@imgtec.com>
Cc: Jacek Anaszewski <j.anaszewski@samsung.com>
Cc: Rob Herring <robh+dt@kernel.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: linux-mips@linux-mips.org
Cc: devicetree@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
Patchwork: https://patchwork.linux-mips.org/patch/14054/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
The SEAD-3 board is now probing its EHCI controller using the generic
EHCI driver & its generic-ehci device tree binding. Remove the unused
SEAD-3 specific EHCI code.
Signed-off-by: Paul Burton <paul.burton@imgtec.com>
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: linux-mips@linux-mips.org
Cc: linux-kernel@vger.kernel.org
Cc: linux-usb@vger.kernel.org
Patchwork: https://patchwork.linux-mips.org/patch/14052/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Probe the SEAD3 EHCI controller using the generic-ehci driver & device
tree rather than platform code, in order to reduce the amount of the
latter.
Now that no devices probed from platform code require interrupts, remove
the retrieval of the IRQ domain & sead3int.h.
Signed-off-by: Paul Burton <paul.burton@imgtec.com>
Cc: Rob Herring <robh+dt@kernel.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: linux-mips@linux-mips.org
Cc: devicetree@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
Patchwork: https://patchwork.linux-mips.org/patch/14051/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Stop selecting SYS_HAS_EARLY_PRINTK & remove the custom support for
early output to the ns16550a UARTs, instead relying upon generic
ns16550a earlycon support. This reduces the amount of platform code
required for SEAD3 without losing any functionality.
Signed-off-by: Paul Burton <paul.burton@imgtec.com>
Cc: Jacek Anaszewski <j.anaszewski@samsung.com>
Cc: linux-mips@linux-mips.org
Cc: linux-kernel@vger.kernel.org
Patchwork: https://patchwork.linux-mips.org/patch/14049/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Probe the UARTs on SEAD3 boards using device tree rather than platform
code, in order to reduce the amount of the latter. This requires that
CONFIG_SERIAL_OF_PLATFORM be enabled, so enable it in sead3_defconfig.
The SEAD3 DT shim code is extended to read bootloader environment
variables to determine the appropriate UART & mode for kernel console
output & set the stdout-path property of the chosen node accordingly.
In contrast to the old platform code, which appears to have only ever
set "console=ttyS0,38400n8r" with the code in console_config never
having an effect, this will honor the "yamontty" environment variable to
select between the 2 UARTs on the board and then check the "modetty0" or
"modetty1" variable as appropriate to determine the UART configuration.
Signed-off-by: Paul Burton <paul.burton@imgtec.com>
Cc: Rob Herring <robh+dt@kernel.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: linux-mips@linux-mips.org
Cc: devicetree@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
Patchwork: https://patchwork.linux-mips.org/patch/14048/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Probe the CPU interrupt controller & optional Global Interrupt
Controller (GIC) using devicetree rather than platform code. Because the
bootloader on SEAD3 does not provide a device tree to the kernel & the
device tree is always built in, we patch out the GIC node during boot if
we detect that a GIC is not present in the system.
The appropriate IRQ domain is discovered by platform code setting up
device IRQ numbers temporarily. It will be removed by further patches
which move the devices towards being probed via device tree.
No behavioural change is intended by this patch.
Signed-off-by: Paul Burton <paul.burton@imgtec.com>
Cc: Matt Redfearn <matt.redfearn@imgtec.com>
Cc: Kefeng Wang <wangkefeng.wang@huawei.com>
Cc: Jacek Anaszewski <j.anaszewski@samsung.com>
Cc: Rob Herring <robh+dt@kernel.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: linux-mips@linux-mips.org
Cc: devicetree@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
Patchwork: https://patchwork.linux-mips.org/patch/14047/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Split the obj-y entries for SEAD3 onto a line each, so that they're more
independent & can be modified more clearly by later commits.
Signed-off-by: Paul Burton <paul.burton@imgtec.com>
Cc: Jacek Anaszewski <j.anaszewski@samsung.com>
Cc: linux-mips@linux-mips.org
Cc: linux-kernel@vger.kernel.org
Patchwork: https://patchwork.linux-mips.org/patch/14046/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
The MIPS Coherent Processing System (CPS) power management code has
previously generated code used to enter low power idle states once
during boot for all CPUs. This has the drawback that if a CPU is present
in the system but not being used (for example due to the maxcpus kernel
parameter) then we encounter problems due to not having probed that CPU
for information about its type & properties. The result of this is that
we generate entry code which is both unused, potentially entirely
invalid & likely to be unsuitable for the CPU in question anyway.
Avoid this by generating idle state entry code only when a CPU is
brought online. This way we only ever generate code for CPUs that we
know we've probed the properties of, and that will actually be used.
[ralf@linux-mips.org: Resolve merge conflict.]
Signed-off-by: Paul Burton <paul.burton@imgtec.com>
Cc: Adam Buchbinder <adam.buchbinder@gmail.com>
Cc: Masahiro Yamada <yamada.masahiro@socionext.com>
Cc: Markos Chandras <markos.chandras@imgtec.com>
Cc: linux-mips@linux-mips.org
Cc: linux-kernel@vger.kernel.org
Patchwork: https://patchwork.linux-mips.org/patch/14259/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Historically a lot of these existed because we did not have
a distinction between what was modular code and what was providing
support to modules via EXPORT_SYMBOL and friends. That changed
when we forked out support for the latter into the export.h file.
This means we should be able to reduce the usage of module.h
in code that is obj-y Makefile or bool Kconfig. In the case of
kvm where it is modular, we can extend that to also include files
that are building basic support functionality but not related
to loading or registering the final module; such files also have
no need whatsoever for module.h
The advantage in removing such instances is that module.h itself
sources about 15 other headers; adding significantly to what we feed
cpp, and it can obscure what headers we are effectively using.
Since module.h was the source for init.h (for __init) and for
export.h (for EXPORT_SYMBOL) we consider each instance for the
presence of either and replace as needed. In this case, we did
not need to add either to any files.
Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
Acked-by: James Hogan <james.hogan@imgtec.com>
Acked-by: Paolo Bonzini <pbonzini@redhat.com>
Cc: "Radim Krčmář" <rkrcmar@redhat.com>
Cc: kvm@vger.kernel.org
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/14036/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Historically a lot of these existed because we did not have
a distinction between what was modular code and what was providing
support to modules via EXPORT_SYMBOL and friends. That changed
when we forked out support for the latter into the export.h file.
This means we should be able to reduce the usage of module.h
in code that is obj-y Makefile or bool Kconfig. The advantage
in doing so is that module.h itself sources about 15 other headers;
adding significantly to what we feed cpp, and it can obscure what
headers we are effectively using.
Since module.h was the source for init.h (for __init) and for
export.h (for EXPORT_SYMBOL) we consider each obj-y/bool instance
for the presence of either and replace as needed.
We also needed to remove the no-op MODULE_DEVICE_TABLE usage in
several instances to permit removal of the module.h include. The
files in these instances were all controlled by bool Kconfig.
In one instance, module_param was being used so we transition the
module.h include onto a moduleparam.h include.
Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/14035/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Historically a lot of these existed because we did not have
a distinction between what was modular code and what was providing
support to modules via EXPORT_SYMBOL and friends. That changed
when we forked out support for the latter into the export.h file.
This means we should be able to reduce the usage of module.h
in code that is obj-y Makefile or bool Kconfig. The advantage
in doing so is that module.h itself sources about 15 other headers;
adding significantly to what we feed cpp, and it can obscure what
headers we are effectively using.
Since module.h was the source for init.h (for __init) and for
export.h (for EXPORT_SYMBOL) we consider each obj-y/bool instance
for the presence of either and replace as needed.
The compiler.h additions are for an implict presence of the
"notrace" which module.h brought in but export.h does not.
Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/14034/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Historically a lot of these existed because we did not have
a distinction between what was modular code and what was providing
support to modules via EXPORT_SYMBOL and friends. That changed
when we forked out support for the latter into the export.h file.
This means we should be able to reduce the usage of module.h
in code that is obj-y Makefile or bool Kconfig. The advantage
in doing so is that module.h itself sources about 15 other headers;
adding significantly to what we feed cpp, and it can obscure what
headers we are effectively using.
Since module.h was the source for init.h (for __init) and for
export.h (for EXPORT_SYMBOL) we consider each obj-y/bool instance
for the presence of either and replace as needed.
Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/14033/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Historically a lot of these existed because we did not have
a distinction between what was modular code and what was providing
support to modules via EXPORT_SYMBOL and friends. That changed
when we forked out support for the latter into the export.h file.
This means we should be able to reduce the usage of module.h
in code that is obj-y Makefile or bool Kconfig. The advantage
in doing so is that module.h itself sources about 15 other headers;
adding significantly to what we feed cpp, and it can obscure what
headers we are effectively using.
Since module.h was the source for init.h (for __init) and for
export.h (for EXPORT_SYMBOL) we consider each obj-y/bool instance
for the presence of either and replace as needed.
In the case of the n32/o32 files, we have to get rid of a couple
no-op MODULE_ tags to facilitate the module.h removal. They piggy
back off the fs/ elf binary support, which is also a bool Kconfig.
Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/14032/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
For the MIPS remote processor implementation, we need additional IPIs to
talk to the remote processor. Since MIPS GIC reserves exactly the right
number of IPI IRQs required by Linux for the number of VPs in the
system, this is not possible without releasing some recources.
This commit introduces mips_smp_ipi_allocate() which allocates IPIs to a
given cpumask. It is called as normal with the cpu_possible_mask at
bootup to initialise IPIs to all CPUs. mips_smp_ipi_free() may then be
used to free IPIs to a subset of those CPUs so that their hardware
resources can be reused.
Signed-off-by: Matt Redfearn <matt.redfearn@imgtec.com>
Cc: Bjorn Andersson <bjorn.andersson@linaro.org>
Cc: Ohad Ben-Cohen <ohad@wizery.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Lisa Parratt <Lisa.Parratt@imgtec.com>
Cc: James Hogan <james.hogan@imgtec.com>
Cc: Qais Yousef <qsyousef@gmail.com>
Cc: Paul Burton <paul.burton@imgtec.com>
Cc: linux-mips@linux-mips.org
Cc: linux-remoteproc@vger.kernel.org
Cc: lisa.parratt@imgtec.com
Cc: linux-kernel@vger.kernel.org
Patchwork: https://patchwork.linux-mips.org/patch/14285/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
When adding a wired entry to the TLB via add_wired_entry, the tlb is
flushed with local_flush_tlb_all, which on CPUs with TLBINV results in
the new wired entry being flushed again.
Behavior of the TLBINV instruction applies to all applicable TLB entries
and is unaffected by the setting of the Wired register. Therefore if
the TLB has any wired entries, fall back to iterating over the entries
rather than blasting them all using TLBINVF.
Signed-off-by: Matt Redfearn <matt.redfearn@imgtec.com>
Cc: Bjorn Andersson <bjorn.andersson@linaro.org>
Cc: Ohad Ben-Cohen <ohad@wizery.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: lisa.parratt@imgtec.com
Cc: Hugh Dickins <hughd@google.com>
Cc: Huacai Chen <chenhc@lemote.com>
Cc: David S. Miller <davem@davemloft.net>
Cc: James Hogan <james.hogan@imgtec.com>
Cc: Paul Burton <paul.burton@imgtec.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: linux-mips@linux-mips.org
Cc: linux-remoteproc@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
Patchwork: https://patchwork.linux-mips.org/patch/14283/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
flush_icache_range() flushes icache lines in a protected fashion for
kernel addresses, however this isn't correct with EVA where protected
cache ops only operate on user addresses, making flush_icache_range()
ineffective.
Split the implementations of __flush_icache_user_range() from
flush_icache_range(), changing the normal flush_icache_range() to use
unprotected normal cache ops.
Signed-off-by: James Hogan <james.hogan@imgtec.com>
Cc: Leonid Yegoshin <leonid.yegoshin@imgtec.com>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/14156/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Convert KVM dynamic translation of guest instructions to flush icache
for guest mapped addresses using the new
__local_flush_icache_user_range() API to allow the more generic
flush_icache_range() to be changed to work on kernel addresses only.
Signed-off-by: James Hogan <james.hogan@imgtec.com>
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: Paolo Bonzini <pbonzini@redhat.com>
Cc: "Radim Krčmář" <rkrcmar@redhat.com>
Cc: linux-mips@linux-mips.org
Cc: kvm@vger.kernel.org
Patchwork: https://patchwork.linux-mips.org/patch/14155/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Pull security subsystem updates from James Morris:
SELinux/LSM:
- overlayfs support, necessary for container filesystems
LSM:
- finally remove the kernel_module_from_file hook
Smack:
- treat signal delivery as an 'append' operation
TPM:
- lots of bugfixes & updates
Audit:
- new audit data type: LSM_AUDIT_DATA_FILE
* 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security: (47 commits)
Revert "tpm/tpm_crb: implement tpm crb idle state"
Revert "tmp/tpm_crb: fix Intel PTT hw bug during idle state"
Revert "tpm/tpm_crb: open code the crb_init into acpi_add"
Revert "tmp/tpm_crb: implement runtime pm for tpm_crb"
lsm,audit,selinux: Introduce a new audit data type LSM_AUDIT_DATA_FILE
tmp/tpm_crb: implement runtime pm for tpm_crb
tpm/tpm_crb: open code the crb_init into acpi_add
tmp/tpm_crb: fix Intel PTT hw bug during idle state
tpm/tpm_crb: implement tpm crb idle state
tpm: add check for minimum buffer size in tpm_transmit()
tpm: constify TPM 1.x header structures
tpm/tpm_crb: fix the over 80 characters checkpatch warring
tpm/tpm_crb: drop useless cpu_to_le32 when writing to registers
tpm/tpm_crb: cache cmd_size register value.
tmp/tpm_crb: drop include to platform_device
tpm/tpm_tis: remove unused itpm variable
tpm_crb: fix incorrect values of cmdReady and goIdle bits
tpm_crb: refine the naming of constants
tpm_crb: remove wmb()'s
tpm_crb: fix crb_req_canceled behavior
...
Pull audit updates from Paul Moore:
"Another relatively small pull request for v4.9 with just two patches.
The patch from Richard updates the list of features we support and
report back to userspace; this should have been sent earlier with the
rest of the v4.8 patches but it got lost in my inbox.
The second patch fixes a problem reported by our Android friends where
we weren't very consistent in recording PIDs"
* 'stable-4.9' of git://git.infradead.org/users/pcmoore/audit:
audit: add exclude filter extension to feature bitmap
audit: consistently record PIDs with task_tgid_nr()
The DPMS handling wrt clock enables/disables was incorrect: we could end
up decrementing the clock count multiple times if we transition via
several low-power DPMS states, resulting in a kernel warning. Fix this
by only testing to see whether we are entering or exiting the DPMS off
state.
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
Pull s390 updates from Martin Schwidefsky:
"The new features and main improvements in this merge for v4.9
- Support for the UBSAN sanitizer
- Set HAVE_EFFICIENT_UNALIGNED_ACCESS, it improves the code in some
places
- Improvements for the in-kernel fpu code, in particular the overhead
for multiple consecutive in kernel fpu users is recuded
- Add a SIMD implementation for the RAID6 gen and xor operations
- Add RAID6 recovery based on the XC instruction
- The PCI DMA flush logic has been improved to increase the speed of
the map / unmap operations
- The time synchronization code has seen some updates
And bug fixes all over the place"
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux: (48 commits)
s390/con3270: fix insufficient space padding
s390/con3270: fix use of uninitialised data
MAINTAINERS: update DASD maintainer
s390/cio: fix accidental interrupt enabling during resume
s390/dasd: add missing \n to end of dev_err messages
s390/config: Enable config options for Docker
s390/dasd: make query host access interruptible
s390/dasd: fix panic during offline processing
s390/dasd: fix hanging offline processing
s390/pci_dma: improve lazy flush for unmap
s390/pci_dma: split dma_update_trans
s390/pci_dma: improve map_sg
s390/pci_dma: simplify dma address calculation
s390/pci_dma: remove dma address range check
iommu/s390: simplify registration of I/O address translation parameters
s390: migrate exception table users off module.h and onto extable.h
s390: export header for CLP ioctl
s390/vmur: fix irq pointer dereference in int handler
s390/dasd: add missing KOBJ_CHANGE event for unformatted devices
s390: enable UBSAN
...
The Sphinx transition is still creating a fair amount of work. Here we
have a number of fixes and, importantly, a proper PDF output solution,
thanks to Jani Nikula, Mauro Carvalho Chehab and Markus Heiser.
I've started a couple of new books: a driver API book (based on the old
device-drivers.tmpl) and a development tools book. Both are meant to show
how we can integrate together our existing documentation into a more
coherent and accessible whole. It involves moving some stuff around and
formatting changes, but, I think, the results are worth it. The good news
is that most of our existing Documentation/*.txt files are *almost* in RST
format already; the amount of messing around required is minimal.
And, of course, there's the usual set of updates, typo fixes, and more.
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Merge tag 'docs-4.9' of git://git.lwn.net/linux
Pull documentation updates from Jonathan Corbet:
"This is the documentation update pull for the 4.9 merge window.
The Sphinx transition is still creating a fair amount of work. Here we
have a number of fixes and, importantly, a proper PDF output solution,
thanks to Jani Nikula, Mauro Carvalho Chehab and Markus Heiser.
I've started a couple of new books: a driver API book (based on the
old device-drivers.tmpl) and a development tools book. Both are meant
to show how we can integrate together our existing documentation into
a more coherent and accessible whole. It involves moving some stuff
around and formatting changes, but, I think, the results are worth it.
The good news is that most of our existing Documentation/*.txt files
are *almost* in RST format already; the amount of messing around
required is minimal.
And, of course, there's the usual set of updates, typo fixes, and
more"
* tag 'docs-4.9' of git://git.lwn.net/linux: (120 commits)
URL changed for Linux Foundation TAB
dax : Fix documentation with respect to struct pages
iio: Documentation: Correct the path used to create triggers.
docs: Remove space-before-label guidance from CodingStyle
docs-rst: add inter-document cross references
Documentation/email-clients.txt: convert it to ReST markup
Documentation/kernel-docs.txt: reorder based on timestamp
Documentation/kernel-docs.txt: Add dates for online docs
Documentation/kernel-docs.txt: get rid of broken docs
Documentation/kernel-docs.txt: move in-kernel docs
Documentation/kernel-docs.txt: remove more legacy references
Documentation/kernel-docs.txt: add two published books
Documentation/kernel-docs.txt: sort books per publication date
Documentation/kernel-docs.txt: adjust LDD references
Documentation/kernel-docs.txt: some improvements on the ReST output
Documentation/kernel-docs.txt: Consistent indenting: 4 spaces
Documentation/kernel-docs.txt: Add 4 paper/book references
Documentation/kernel-docs.txt: Improve layouting of book list
Documentation/kernel-docs.txt: Remove offline or outdated entries
docs: Clean up bare :: lines
...
1. Fabian Frederick submitted a nice cleanup that uses the BIT macro
rather than bit shifting.
2. Andreas Gruenbacher contributed a patch that fixes a long-standing
annoyance whereby GFS2 warned about dirty pages.
3. Andreas also fixed a problem with the recent extended attribute
readahead feature.
4. Chao Yu contributed a patch that checks the return code from function
register_shrinker and reacts accordingly. Previously, it was not checked.
5. Andreas Gruenbacher also fixed a problem whereby incore file timestamps
were forgotten if the file was invalidated. This merely moves the
assignment inside the inode glock where it belongs.
6. He also fixed a problem where incore timestamps were not initialized.
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Merge tag 'gfs2-4.8.fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/gfs2/linux-gfs2
Pull gfs2 updates from Bob Peterson:
"We've only got six GFS2 patches for this merge window. In patch
order:
- Fabian Frederick submitted a nice cleanup that uses the BIT macro
rather than bit shifting.
- Andreas Gruenbacher contributed a patch that fixes a long-standing
annoyance whereby GFS2 warned about dirty pages.
- Andreas also fixed a problem with the recent extended attribute
readahead feature.
- Chao Yu contributed a patch that checks the return code from
function register_shrinker and reacts accordingly. Previously, it
was not checked.
- Andreas Gruenbacher also fixed a problem whereby incore file
timestamps were forgotten if the file was invalidated. This merely
moves the assignment inside the inode glock where it belongs.
- Andreas also fixed a problem where incore timestamps were not
initialized"
* tag 'gfs2-4.8.fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/gfs2/linux-gfs2:
gfs2: Initialize atime of I_NEW inodes
gfs2: Update file times after grabbing glock
gfs2: fix to detect failure of register_shrinker
gfs2: Fix extended attribute readahead optimization
gfs2: Remove dirty buffer warning from gfs2_releasepage
GFS2: use BIT() macro
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Merge tag 'locks-v4.9-1' of git://git.samba.org/jlayton/linux
Pull file locking updates from Jeff Layton:
"Only a single patch from Nikolay this cycle, with a small change to
better handle /proc/locks in a containerized host"
* tag 'locks-v4.9-1' of git://git.samba.org/jlayton/linux:
locks: Filter /proc/locks output on proc pid ns
The caller of rpc_run_task also gets a reference that must be put.
Signed-off-by: Jeff Layton <jeff.layton@primarydata.com>
Cc: stable@vger.kernel.org # 4.2+
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
boot_time is represented as a struct timespec.
struct timespec and CURRENT_TIME are not y2038 safe.
Overall, the plan is to use timespec64 and ktime_t for
all internal kernel representation of timestamps.
CURRENT_TIME will also be removed.
boot_time is used to construct the nfs client boot verifier.
Use ktime_t to represent boot_time and ktime_get_real() for
the boot_time value.
Following Trond's request https://lkml.org/lkml/2016/6/9/22 ,
use ktime_t instead of converting to struct timespec64.
Use higher and lower 32 bit parts of ktime_t for the boot
verifier.
Use the lower 32 bit part of ktime_t for the authsys_parms
stamp field.
Signed-off-by: Deepa Dinamani <deepa.kernel@gmail.com>
Reviewed-by: Arnd Bergmann <arnd@arndb.de>
Cc: Trond Myklebust <trond.myklebust@primarydata.com>
Cc: Anna Schumaker <anna.schumaker@netapp.com>
Cc: linux-nfs@vger.kernel.org
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
- Updates to hfi1 driver
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dledford/rdma
Pull hdi1 rdma driver updates from Doug Ledford:
"This is the first pull request of the 4.9 merge window for the RDMA
subsystem. It is only the hfi1 driver. It had dependencies on code
that only landed late in the 4.7-rc cycle (around 4.7-rc7), so putting
this with my other for-next code would have create an ugly merge of
lot of 4.7-rc stuff. For that reason, it's being submitted
individually. It's been through 0day and linux-next"
* tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dledford/rdma: (37 commits)
IB/rdmavt: Trivial function comment corrected.
IB/hfi1: Fix trace of atomic ack
IB/hfi1: Update SMA ingress checks for response packets
IB/hfi1: Use EPROM platform configuration read
IB/hfi1: Add ability to read platform config from the EPROM
IB/hfi1: Restore EPROM read ability
IB/hfi1: Document new sysfs entries for hfi1 driver
IB/hfi1: Add new debugfs sdma_cpu_list file
IB/hfi1: Add irq affinity notification handler
IB/hfi1: Add a new VL sysfs attribute for sdma engines
IB/hfi1: Add sysfs interface for affinity setup
IB/hfi1: Fix resource release in context allocation
IB/hfi1: Remove unused variable from devdata
IB/hfi1: Cleanup tasklet refs in comments
IB/hfi1: Adjust hardware buffering parameter
IB/hfi1: Act on external device timeout
IB/hfi1: Fix defered ack race with qp destroy
IB/hfi1: Combine shift copy and byte copy for SGE reads
IB/hfi1: Do not read more than a SGE length
IB/hfi1: Extend i2c timeout
...
buffers (Thor Thayer)
* Split the memory controller part out of mpc85xx and share it with a
* new Freescale ARM Layerscape driver (York Sun)
* amd64_edac fixes (Yazen Ghannam)
* Misc cleanups, refactoring and fixes all over the place
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Merge tag 'edac_for_4.9' of git://git.kernel.org/pub/scm/linux/kernel/git/bp/bp
Pull EDAC updates from Borislav Petkov:
"A lot of movement in the EDAC tree this time around, coarse summary
below:
- Altera Arria10 enablement of NAND, DMA, USB, QSPI and SD-MMC FIFO
buffers (Thor Thayer)
- split the memory controller part out of mpc85xx and share it with a
new Freescale ARM Layerscape driver (York Sun)
- amd64_edac fixes (Yazen Ghannam)
- misc cleanups, refactoring and fixes all over the place"
* tag 'edac_for_4.9' of git://git.kernel.org/pub/scm/linux/kernel/git/bp/bp: (37 commits)
EDAC, altera: Add IRQ Flags to disable IRQ while handling
EDAC, altera: Correct EDAC IRQ error message
EDAC, amd64: Autoload module using x86_cpu_id
EDAC, sb_edac: Remove NULL pointer check on array pci_tad
EDAC: Remove NO_IRQ from powerpc-only drivers
EDAC, fsl_ddr: Fix error return code in fsl_mc_err_probe()
EDAC, fsl_ddr: Add entry to MAINTAINERS
EDAC: Move Doug Thompson to CREDITS
EDAC, I3000: Orphan driver
EDAC, fsl_ddr: Replace simple_strtoul() with kstrtoul()
EDAC, layerscape: Add Layerscape EDAC support
EDAC, fsl_ddr: Fix IRQ dispose warning when module is removed
EDAC, fsl_ddr: Add support for little endian
EDAC, fsl_ddr: Add missing DDR DRAM types
EDAC, fsl_ddr: Rename macros and names
EDAC, fsl-ddr: Separate FSL DDR driver from MPC85xx
EDAC, mpc85xx: Replace printk() with pr_* format
EDAC, mpc85xx: Drop setting/clearing RFXE bit in HID1
EDAC, altera: Rename MC trigger to common name
EDAC, altera: Rename device trigger to common name
...
Instantiating the rmi4 I2C transport driver without interrupts assigned
(for example using manual i2c instantiation from the command line)
caused the driver to fail to load, but it does not clean up its regulator
or transport device registrations. Result is a crash at a later time,
for example when rebooting the system.
Fixes: 946c8432aa ("Input: synaptics-rmi4 - support regulator supplies")
Cc: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Instantiating the rmi4 SPI transport driver without an interrupt assigned
caused the driver to fail to load, but it does not clean up its transport
device registration. Result may be a crash at a later time, for example
when rebooting the system.
Fixes: 8d99758dee ("Input: synaptics-rmi4 - add SPI transport driver")
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Here we introduce logic in alps_identify to set the ALPS_DUALPOINT flag
for touchpad hardware responding to E7 report with 73 03 28, as is found
in the Dell Latitude E7470.
Tested-by: Michal Hocko <mhocko@suse.com>
Signed-off-by: Ben Gamari <ben@smart-cactus.org>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
The SS5 hardware can report this.
Tested-by: Michal Hocko <mhocko@suse.com>
Signed-off-by: Ben Gamari <ben@smart-cactus.org>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
While a button is held SS5 hardware will give us single-finger packets
with x, y, and pressure equal to zero. This causes annoying jumps in
pointer position if a touch is released while the button is held. Handle
this by claiming zero contacts to ensure that no position events are
provided to the user.
Reviewed-by: Pali Rohár <pali.rohar@gmail.com>
Tested-by: Michal Hocko <mhocko@suse.com>
Signed-off-by: Ben Gamari <ben@smart-cactus.org>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Add touchstick support for the so-called SS5 hardware, which uses a
variant of the SS4 protocol.
Reviewed-by: Pali Rohár <pali.rohar@gmail.com>
Tested-by: Michal Hocko <mhocko@suse.com>
Signed-off-by: Ben Gamari <ben@smart-cactus.org>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
The SPI subsystem has also had quite a quiet release, though with a
fairly large set of per-driver changes and several new drivers. The
bulk of the changes are:
- Lots and lots of cleanups and improvements for the fsl-espi driver.
- New drivers for Broadcom MSPI/iProc/STB, Cavium ThunderX and J-Core.
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Merge tag 'spi-v4.9' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi
Pull spi updates from Mark Brown:
"The SPI subsystem has also had quite a quiet release, though with a
fairly large set of per-driver changes and several new drivers. The
bulk of the changes are:
- lots and lots of cleanups and improvements for the fsl-espi driver
- new drivers for Broadcom MSPI/iProc/STB, Cavium ThunderX and
J-Core"
* tag 'spi-v4.9' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi: (80 commits)
spi: sc18is602: Change gpiod_set_value to gpiod_set_value_cansleep
spi: pxa2xx: Fix build error because of missing header
spi: imx: fix error return code in spi_imx_probe()
spi: pxa2xx: Add support for GPIO descriptor chip selects
spi: imx: Gracefully handle NULL master->cs_gpios
spi: iproc-qspi: Add Broadcom iProc SoCs support
spi: fsl-espi: improve return value handling in fsl_espi_probe
spi: fsl-espi: simplify of_fsl_espi_probe
spi: fsl-espi: remove unused variable in fsl_espi_setup
spi: bcm-qspi: Fix error return code in bcm_qspi_probe()
spi: bcm-qspi: Fix return value check in bcm_qspi_probe()
spi: bcm-qspi: fix suspend/resume #ifdef
spi: bcm-qspi: don't include linux/mtd/cfi.h
spi: core: Use spi_sync_transfer() in spi_write()/spi_read()
spi: fsl-espi: improve and extend register bit definitions
spi: fsl-espi: align register access with other drivers
spi: fsl-espi: improve and simplify interrupt handler
spi: fsl-espi: simplify fsl_espi_setup_transfer
spi: imx: support loopback mode on imx35
spi: imx: set spi_bus_clk for mx1, mx31 and mx35
...
This is an extremely quiet release for the regulator API, we've got a
small set of bug fixes and minor feature enhancements for drivers plus a
couple of more visible changes:
- Add support for ramp times in regulators that don't use selectors.
- New driver for LTC3676.
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Merge tag 'regulator-v4.9' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator
Pull regulator updates from Mark Brown:
"This is an extremely quiet release for the regulator API, we've got a
small set of bug fixes and minor feature enhancements for drivers plus
a couple of more visible changes:
- add support for ramp times in regulators that don't use selectors.
- new driver for LTC3676"
* tag 'regulator-v4.9' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator:
regulator: dbx500: remove unused functions in dbx500-prcmu.c
regulator: pv88080: Update regulator for PV88080 BB silicon support
regulator: core: don't return error with inadequate reason
regulator: tps65910: Work around silicon erratum SWCZ010
regulator: core: Add set_voltage_time op
regulator: core: Don't skip set_voltage_time when ramp delay disabled
regulator: core: Simplify error flow in _regulator_do_set_voltage()
regulator: core: Use local ops variable in _regulator_do_set_voltage()
regulator: hi6421: mark hi6421_regulator_ldo_get_optimum_mode() static
regulator: Kconfig: Fix typo
regulator: bindings: Use the correct symbol for second
regulator: Remove support for optional supplies in the bulk API
regulator: Add LTC3676 support
regulator: rk808: Delete owner assignment
regulator: tps65218: do not disable DCDC3 during poweroff on broken PMICs
mfd: tps65218: add version check to the PMIC probe
Another quiet release, a few small extensions to the set of register
maps we support and an improvement in the debugfs code:
- Allow viewing of cached contents for write only registers via
debugfs.
- Support a wider range of read/write flag masks in register formats.
- Support more little endian formats.
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Merge tag 'regmap-v4.9' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regmap
Pull regmap updates from Mark Brown:
"Another quiet release, a few small extensions to the set of register
maps we support and an improvement in the debugfs code:
- allow viewing of cached contents for write only registers via
debugfs.
- support a wider range of read/write flag masks in register formats.
- support more little endian formats"
* tag 'regmap-v4.9' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regmap:
regmap: Add missing little endian functions
regmap: Allow longer flag masks for read and write
regmap: debugfs: Add support for dumping write only device registers
regmap: Add a function to check if a regmap register is cached
Log recovery will iget an inode to replay BUI items and iput the inode
when it's done. Unfortunately, if the inode was unlinked, the iput
will see that i_nlink == 0 and decide to truncate & free the inode,
which prevents us from replaying subsequent BUIs. We can't skip the
BUIs because we have to replay all the redo items to ensure that
atomic operations complete.
Since unlinked inode recovery will reap the inode anyway, we can
safely introduce a new inode flag to indicate that an inode is in this
'unlinked recovery' state and should not be auto-reaped in the
drop_inode path.
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Implement deferred versions of the inode block map/unmap functions.
These will be used in subsequent patches to make reflink operations
atomic.
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
