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git://git.kernel.org/pub/scm/linux/kernel/git/dledford/rdma
Pull rdma qedr RoCE driver from Doug Ledford:
"Early on in the merge window I mentioned I had a backlog of new
drivers waiting to be reviewed and that, in addition to the hns-roce
driver, I wanted to get possible a couple more reviewed. I ended up
only having the time to complete one of the additional drivers.
During Dave Miller's pull request this go around, there were a series
of 9 patches to the QLogic qed net driver that add basic support for a
paired RoCE driver. That support is currently not functional because
it is missing the matching RoCE driver in the RDMA subsystem. I
managed to finish that review. However, because it goes against part
of Dave's net pull, and a part that was accepted a day or two after
the merge window opened, to apply cleanly it has to be applied to
either the tip of Dave's net branch, or as I did in this case, I just
applied it to your master after you had taken Dave's pull request."
* tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dledford/rdma:
qedr: Add events support and register IB device
qedr: Add GSI support
qedr: Add LL2 RoCE interface
qedr: Add support for data path
qedr: Add support for memory registeration verbs
qedr: Add support for QP verbs
qedr: Add support for PD,PKEY and CQ verbs
qedr: Add support for user context verbs
qedr: Add support for RoCE HW init
qedr: Add RoCE driver framework
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git://git.kernel.org/pub/scm/linux/kernel/git/dledford/rdma
Pull more rdma updates from Doug Ledford:
"This merge window was the first where Huawei had to try and coordinate
their patches between their net driver and their new roce driver
(similar to mlx4 and mlx5).
They didn't do horribly, but there were some issues (and we knew that
because they simply didn't know what to do in the beginning). As a
result, I had a set of patches that depended on some patches that
normally would have come to you via Dave's tree. Those patches have
been on netdev@ for a while, so I got Dave to give me his approval to
send them to you. As such, the other 29 patches I had behind them are
also now ready to go.
This catches the hns and hns-roce drivers up to current, and for
future patches we are working with them to get them up to speed on how
to do joint driver development so that they don't have these sorts of
cross tree dependency issues again. BTW, Dave gave me permission to
add his Acked-by: to the patches against the net tree, but I've had
this branch through 0day (but not linux-next since it was off by
itself) and I didn't want to rebase the series just to add Dave's ack
for the 8 patches in the net area.
Updates to the hns drivers:
- Small patch set for hns net driver that the roce patches depend on
- Various fixes to the hns-roce driver
- Add connection manager support to the hns-roce driver"
* tag 'for-linus-2' of git://git.kernel.org/pub/scm/linux/kernel/git/dledford/rdma: (36 commits)
IB/hns: Fix for removal of redundant code
IB/hns: Delete the redundant lines in hns_roce_v1_m_qp()
IB/hns: Fix the bug when platform_get_resource() exec fail
IB/hns: Update the rq head when modify qp state
IB/hns: Cq has not been freed
IB/hns: Validate mtu when modified qp
IB/hns: Some items of qpc need to take user param
IB/hns: The Ack timeout need a lower limit value
IB/hns: Return bad wr while post send failed
IB/hns: Fix bug of memory leakage for registering user mr
IB/hns: Modify the init of iboe lock
IB/hns: Optimize code of aeq and ceq interrupt handle and fix the bug of qpn
IB/hns: Delete the sqp_start from the structure hns_roce_caps
IB/hns: Fix bug of clear hem
IB/hns: Remove unused parameter named qp_type
IB/hns: Simplify function of pd alloc and qp alloc
IB/hns: Fix bug of using uninit refcount and free
IB/hns: Remove parameters of resize cq
IB/hns: Remove unused parameters in some functions
IB/hns: Add node_guid definition to the bindings document
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git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
Pull some more input subsystem updates from Dmitry Torokhov:
"An update to the ALPS driver to support the V8 protocol with
touchstick, a change for i8042 to skip selftest on many Asus laptops
which helps to keep their touchpads working after resume, and a couple
other driver fixes"
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input:
Input: i8042 - skip selftest on ASUS laptops
Input: melfas_mip4 - add ic_name sysfs attribute
Input: melfas_mip4 - add maintainer information
Input: melfas_mip4 - add devicetree binding documentations
Input: elantech - add Fujitsu Lifebook E556 to force crc_enabled
Input: synaptics-rmi4 - fix error handling in I2C transport driver
Input: synaptics-rmi4 - fix error handling in SPI transport driver
Input: ALPS - add V8 protocol documentation
Input: ALPS - set DualPoint flag for 74 03 28 devices
Input: ALPS - allow touchsticks to report pressure
Input: ALPS - handle 0-pressure 1F events
Input: ALPS - add touchstick support for SS5 hardware
Input: elantech - force needed quirks on Fujitsu H760
Input: elantech - fix Lenovo version typo
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git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux
Pull RTC updates from Alexandre Belloni:
"RTC for 4.9
Subsystem:
- delete owner assignment in multiple drivers
- constify rtc_class_ops structures
Drivers:
- ac100: support clock-output-names
- cmos: properly handle ACPI alarms and quirky BIOSes and other fixes
- ds1307: fix century bit support while staying comaptible with
previous behaviour by default
- ds1347: switch to regmap
- isl12057 is now handled by ds1307
- omap: support external wakeup
- rv8803: allow to disable voltage drop detection"
* tag 'rtc-4.9' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux: (25 commits)
rtc: rv8803: set VDETOFF and SWOFF via device tree
dt/bindings: Add bindings for Micro Crystal rv8803
devicetree: Add Micro Crystal AG vendor id
rtc: cmos: avoid unused function warning
rtc: ac100: Add NULL checking for devm_kzalloc call
rtc: ds1347: changed raw spi calls to register map calls
rtc: cmos: Restore alarm after resume
rtc: cmos: Clear ACPI-driven alarms upon resume
rtc: omap: Support ext_wakeup configuration
rtc: cmos: Initialize hpet timer before irq is registered
rtc: asm9260: rework locking
rtc: asm9260: allow COMPILE_TEST
rtc: constify rtc_class_ops structures
rtc: ac100: support clock-output-names in device tree binding
rtc: rx6110: remove owner assignment
rtc: pic32: Delete owner assignment
rtc: bq32k: Fix handling of oscillator failure flag
rtc: bq32k: Use correct mask name for 'minutes' register.
rtc: sysfs: fix a cast removing the const attribute
Documentation: dt: Intersil isl12057 is not a trivial device
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git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux
Pull more i2c updates from Wolfram Sang:
"A small update pull request from I2C.
This adds one comment to a change we did in this merge window to
handle lockdep better, and pulls in a branch which should have been in
4.8 already improving DT support for I2C"
* 'i2c/for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux:
gpio: pca953x: add a comment explaining the need for a lockdep subclass
i2c: core: Add support for 'i2c-bus' subnode
dt-bindings: i2c: Add support for 'i2c-bus' subnode
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git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull more ACPI updates from Rafael Wysocki:
"This includes a couple of fixes needed after recent changes, two ACPI
driver fixes (fan and "Processor Aggregator"), an update of the ACPI
device properties handling code and a new MAINTAINERS entry for ACPI
on ARM64.
Specifics:
- Fix an unused function warning that started to appear after recent
changes in the ACPI EC driver (Eric Biggers).
- Fix the KERN_CONT usage in acpi_os_vprintf() that has become
(particularly) annoying recently (Joe Perches).
- Fix the fan status checking in the ACPI fan driver to avoid
returning incorrect error codes sometimes (Srinivas Pandruvada).
- Fix the ACPI Processor Aggregator driver (PAD) to always let the
special processor_aggregator driver from Xen take over when running
as Xen dom0 (Juergen Gross).
- Update the handling of reference device properties in ACPI by
allowing empty rows ("holes") to appear in reference property lists
(Mika Westerberg).
- Add a new MAINTAINERS entry for ACPI on ARM64 (Lorenzo Pieralisi)"
* tag 'acpi-extra-4.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
acpi_os_vprintf: Use printk_get_level() to avoid unnecessary KERN_CONT
ACPI / PAD: don't register acpi_pad driver if running as Xen dom0
ACPI / property: Allow holes in reference properties
MAINTAINERS: Add ARM64-specific ACPI maintainers entry
ACPI / EC: Fix unused function warning when CONFIG_PM_SLEEP=n
ACPI / fan: Fix error reading cur_state
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git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull more power management updates from Rafael Wysocki:
"This includes a couple of fixes for cpufreq regressions introduced in
4.8, a rework of the intel_pstate algorithm used on Atom processors
(that took some time to test) plus a fix and a couple of cleanups in
that driver, a CPPC cpufreq driver fix, and a some devfreq fixes and
cleanups (core and exynos-nocp).
Specifics:
- Fix two cpufreq regressions causing undesirable changes in behavior
to appear (one in the core and one in the conservative governor)
introduced during the 4.8 cycle (Aaro Koskinen, Rafael Wysocki).
- Fix the way the intel_pstate driver accesses MSRs related to the
hardware-managed P-states (HWP) feature during the initialization
which currently is unsafe and may cause the processor to generate a
general protection fault (Srinivas Pandruvada).
- Rework the intel_pstate's P-state selection algorithm used on Atom
processors to avoid known problems with the current one and to make
the computation more straightforward, which also happens to improve
performance in multiple benchmarks a bit (Rafael Wysocki).
- Improve two comments in the intel_pstate driver (Rafael Wysocki).
- Fix the desired performance computation in the CPPC cpufreq driver
(Hoan Tran).
- Fix the devfreq core to avoid printing misleading error messages in
some cases (Tobias Jakobi).
- Fix the error code path in devfreq_add_device() to use proper
locking around list modifications (Axel Lin).
- Fix a build failure and remove a couple of redundant updates of
variables in the exynos-nocp devfreq driver (Axel Lin)"
* tag 'pm-extra-4.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
cpufreq: CPPC: Correct desired_perf calculation
cpufreq: conservative: Fix next frequency selection
cpufreq: skip invalid entries when searching the frequency
cpufreq: intel_pstate: Fix struct pstate_adjust_policy kerneldoc
cpufreq: intel_pstate: Proportional algorithm for Atom
PM / devfreq: Skip status update on uninitialized previous_freq
PM / devfreq: Add proper locking around list_del()
PM / devfreq: exynos-nocp: Remove redundant code
PM / devfreq: exynos-nocp: Select REGMAP_MMIO
cpufreq: intel_pstate: Clarify comment in get_target_pstate_use_performance()
cpufreq: intel_pstate: Fix unsafe HWP MSR access
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New mount option "idsfromsid" indicates to cifs.ko that
it should try to retrieve the uid and gid owner fields
from special sids. This patch adds the code to parse the owner
sids in the ACL to see if they match, and if so populate the
uid and/or gid from them. This is faster than upcalling for
them and asking winbind, and is a fairly common case, and is
also helpful when cifs.upcall and idmapping is not configured.
Signed-off-by: Steve French <steve.french@primarydata.com>
Reviewed-by: Shirish Pargaonkar <shirishpargaonkar@gmail.com>
Reviewed-by: Jeff Layton <jlayton@redhat.com>
Reviewed-by: Pavel Shilovsky <pshilov@microsoft.com>
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Add "idsfromsid" mount option to indicate to cifs.ko that it should
try to retrieve the uid and gid owner fields from special sids in the
ACL if present. This first patch just adds the parsing for the mount
option.
Signed-off-by: Steve French <steve.french@primarydata.com>
Reviewed-by: Shirish Pargaonkar <shirishpargaonkar@gmail.com>
Reviewed-by: Pavel Shilovsky <pshilov@microsoft.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup
Pull cgroup updates from Tejun Heo:
- tracepoints for basic cgroup management operations added
- kernfs and cgroup path formatting functions updated to behave in the
style of strlcpy()
- non-critical bug fixes
* 'for-4.9' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup:
blkcg: Unlock blkcg_pol_mutex only once when cpd == NULL
cgroup: fix error handling regressions in proc_cgroup_show() and cgroup_release_agent()
cpuset: fix error handling regression in proc_cpuset_show()
cgroup: add tracepoints for basic operations
cgroup: make cgroup_path() and friends behave in the style of strlcpy()
kernfs: remove kernfs_path_len()
kernfs: make kernfs_path*() behave in the style of strlcpy()
kernfs: add dummy implementation of kernfs_path_from_node()
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Add error handling support.
Register ib device with ib stack.
Signed-off-by: Rajesh Borundia <rajesh.borundia@cavium.com>
Signed-off-by: Ram Amrani <Ram.Amrani@cavium.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
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Add support for GSI over light L2.
Signed-off-by: Rajesh Borundia <rajesh.borundia@cavium.com>
Signed-off-by: Ram Amrani <Ram.Amrani@cavium.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
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Add light L2 interface for RoCE.
Signed-off-by: Rajesh Borundia <rajesh.borundia@cavium.com>
Signed-off-by: Ram Amrani <Ram.Amrani@cavium.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
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Implement fastpath verbs like ib_send_post, ib_post_recv and ib_poll_cq.
Signed-off-by: Rajesh Borundia <rajesh.borundia@cavium.com>
Signed-off-by: Ram Amrani <Ram.Amrani@cavium.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
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Add support for user, dma and memory regions registration.
Signed-off-by: Rajesh Borundia <rajesh.borundia@cavium.com>
Signed-off-by: Ram Amrani <Ram.Amrani@cavium.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
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Add support for Queue Pair verbs which adds, deletes,
modifies and queries Queue Pairs.
Signed-off-by: Rajesh Borundia <rajesh.borundia@cavium.com>
Signed-off-by: Ram Amrani <Ram.Amrani@cavium.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
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Add support for protection domain and completion queue verbs.
Signed-off-by: Rajesh Borundia <rajesh.borundia@cavium.com>
Signed-off-by: Ram Amrani <Ram.Amrani@cavium.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
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Add support for ucontext, query port, add and del gid verbs.
Signed-off-by: Rajesh Borundia <rajesh.borundia@cavium.com>
Signed-off-by: Ram Amrani <Ram.Amrani@cavium.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
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Allocate and setup RoCE resources, interrupts and completion queues.
Adds device attributes.
Signed-off-by: Rajesh Borundia <rajesh.borundia@cavium.com>
Signed-off-by: Ram Amrani <Ram.Amrani@cavium.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
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Adds a skeletal implementation of the qed* RoCE driver -
basically the ability to communicate with the qede driver and
receive notifications from it regarding various init/exit events.
Signed-off-by: Rajesh Borundia <rajesh.borundia@cavium.com>
Signed-off-by: Ram Amrani <Ram.Amrani@cavium.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/tj/percpu
Pull percpu updates from Tejun Heo:
- Nick improved generic implementations of percpu operations which
modify the variable and return so that they calculate the physical
address only once.
- percpu_ref percpu <-> atomic mode switching improvements. The
patchset was originally posted about a year ago but fell through the
crack.
- misc non-critical fixes.
* 'for-4.9' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/percpu:
mm/percpu.c: fix potential memory leakage for pcpu_embed_first_chunk()
mm/percpu.c: correct max_distance calculation for pcpu_embed_first_chunk()
percpu: eliminate two sparse warnings
percpu: improve generic percpu modify-return implementation
percpu-refcount: init ->confirm_switch member properly
percpu_ref: allow operation mode switching operations to be called concurrently
percpu_ref: restructure operation mode switching
percpu_ref: unify staggered atomic switching wait behavior
percpu_ref: reorganize __percpu_ref_switch_to_atomic() and relocate percpu_ref_switch_to_atomic()
percpu_ref: remove unnecessary RCU grace period for staggered atomic switching confirmation
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git://git.kernel.org/pub/scm/linux/kernel/git/tj/libata
Pull libata updates from Tejun Heo:
- Write same support added
- Minor ahci MSIX irq handling updates
- Non-critical SCSI command translation fixes
- Controller specific changes
* 'for-4.9' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/libata:
ahci: qoriq: Revert "ahci: qoriq: Disable NCQ on ls2080a SoC"
libata: remove <asm-generic/libata-portmap.h>
libata: remove unused definitions from <asm/libata-portmap.h>
pata_at91: Use PTR_ERR_OR_ZERO rather than if(IS_ERR(...)) + PTR_ERR
ata: Replace BUG() with BUG_ON().
ata: sata_mv: Replacing dma_pool_alloc and memset with a single call dma_pool_zalloc.
libata: Some drives failing on SCT Write Same
ahci: use pci_alloc_irq_vectors
libata: SCT Write Same handle ATA_DFLAG_PIO
libata: SCT Write Same / DSM Trim
libata: Add support for SCT Write Same
libata: Safely overwrite attached page in WRITE SAME xlat
ahci: also use a per-port lock for the multi-MSIX case
ARM: dts: STiH407-family: Add ports-implemented property in sata nodes
ahci: st: Add ports-implemented property in support
ahci: qoriq: enable snoopable sata read and write
ahci: qoriq: adjust sata parameter
libata-scsi: fix MODE SELECT translation for Control mode page
libata-scsi: use u8 array to store mode page copy
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Pull more SCSI updates from James Bottomley:
"This is just a set of minor updates and fixes which weren't quite
ready in time for the first pull request.
The only real thing of note is Mike Christie is stepping down as
Maintainer of iscsi to be replaced by Lee Duncan and Chris Leech"
* tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi:
scsi: ufs: Kconfig fix
scsi: g_NCR5380: Stop using scsi_module.c
scsi: g_NCR5380: Reduce overrides[] from array to struct
scsi: g_NCR5380: Remove deprecated __setup
scsi: ufs: Fix error return code in ufshcd_init()
scsi: ufs: Data Segment only needed for WRITE DESCRIPTOR
scsi: cxgb4i: Set completion bit in work request
MAINTAINERS: Update open-iscsi maintainers
scsi: ufs: Enable no vccq quirk for skhynix device
scsi: be2iscsi: mark symbols static where possible
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This easy-to-trigger warning shows up instantly when running
Trinity on a kernel with CONFIG_X86_INTEL_MEMORY_PROTECTION_KEYS disabled.
At most this should have been a printk, but the -EINVAL alone should be more
than adequate indicator that something isn't available.
Signed-off-by: Dave Jones <davej@codemonkey.org.uk>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/jhogan/metag
Pull metag architecture fix from James Hogan:
"A simple build fix for irqsoff atomics which has started hitting
meta1_defconfig during the 4.9 merge window"
* tag 'metag-for-v4.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jhogan/metag:
metag: Only define atomic_dec_if_positive conditionally
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git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux
Pull more powerpc updates from Michael Ellerman:
"Some more powerpc updates for 4.9:
Freescale updates from Scott Wood:
- qbman support (a prerequisite for datapath drivers such as ethernet)
- a PCI DMA fix+improvement
- reset handler changes
- more 8xx optimizations
- some cleanups and fixes.'
Fixes:
- selftests/powerpc: Add missing binaries to .gitignores (Michael Ellerman)
- selftests/powerpc: Fix build break caused by EXPORT_SYMBOL changes (Michael Ellerman)
- powerpc/pseries: Fix stack corruption in htpe code (Laurent Dufour)
- powerpc/64s: Fix power4_fixup_nap placement (Nicholas Piggin)
- powerpc/64: Fix incorrect return value from __copy_tofrom_user (Paul Mackerras)
- powerpc/mm/hash64: Fix might_have_hea() check (Michael Ellerman)
Other:
- MAINTAINERS: Remove myself from PA Semi entries (Olof Johansson)
- MAINTAINERS: Drop separate pseries entry (Michael Ellerman)
- MAINTAINERS: Update powerpc website & add selftests (Michael Ellerman):
* tag 'powerpc-4.9-2' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux: (35 commits)
powerpc/mm/hash64: Fix might_have_hea() check
powerpc/64: Fix incorrect return value from __copy_tofrom_user
powerpc/64s: Fix power4_fixup_nap placement
powerpc/pseries: Fix stack corruption in htpe code
selftests/powerpc: Fix build break caused by EXPORT_SYMBOL changes
MAINTAINERS: Update powerpc website & add selftests
MAINTAINERS: Drop separate pseries entry
MAINTAINERS: Remove myself from PA Semi entries
selftests/powerpc: Add missing binaries to .gitignores
arch/powerpc: Add CONFIG_FSL_DPAA to corenetXX_smp_defconfig
soc/qman: Add self-test for QMan driver
soc/bman: Add self-test for BMan driver
soc/fsl: Introduce DPAA 1.x QMan device driver
soc/fsl: Introduce DPAA 1.x BMan device driver
powerpc/8xx: make user addr DTLB miss the short path
powerpc/8xx: Move additional DTLBMiss handlers out of exception area
powerpc/8xx: use r3 to scratch CR in ITLBmiss
soc/fsl/qe: fix gpio save_regs functions
powerpc/8xx: add dedicated machine check handler
powerpc/8xx: add system_reset_exception
...
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Signed-off-by: Marcin Nowakowski <marcin.nowakowski@imgtec.com>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/14380/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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* acpi-fan:
ACPI / fan: Fix error reading cur_state
* acpi-ec:
ACPI / EC: Fix unused function warning when CONFIG_PM_SLEEP=n
* acpi-drivers:
ACPI / PAD: don't register acpi_pad driver if running as Xen dom0
* acpi-osl:
acpi_os_vprintf: Use printk_get_level() to avoid unnecessary KERN_CONT
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* device-properties:
ACPI / property: Allow holes in reference properties
* acpi-misc:
MAINTAINERS: Add ARM64-specific ACPI maintainers entry
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* pm-cpufreq:
cpufreq: CPPC: Correct desired_perf calculation
cpufreq: conservative: Fix next frequency selection
cpufreq: skip invalid entries when searching the frequency
cpufreq: intel_pstate: Fix struct pstate_adjust_policy kerneldoc
cpufreq: intel_pstate: Proportional algorithm for Atom
cpufreq: intel_pstate: Clarify comment in get_target_pstate_use_performance()
cpufreq: intel_pstate: Fix unsafe HWP MSR access
* pm-devfreq:
PM / devfreq: Skip status update on uninitialized previous_freq
PM / devfreq: Add proper locking around list_del()
PM / devfreq: exynos-nocp: Remove redundant code
PM / devfreq: exynos-nocp: Select REGMAP_MMIO
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Resulting in a complete removal of a function basically implementing the
inverse of vfs_readlink().
As a bonus, now the proper security hook is also called.
Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
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This helper is for filesystems that want to read the symlink and are better
off with the get_link() interface (returning a char *) rather than the
readlink() interface (copy into a userspace buffer).
Also call the LSM hook for readlink (not get_link) since this is for
symlink reading not following.
Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
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All filesystems that are backers for overlayfs would also use
generic_readlink(). Move this logic to the overlay itself, which is a nice
cleanup.
Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
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Suggested-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
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Pull networking fixes from David Miller:
1) Fix various build warnings in tlan/qed/xen-netback drivers, from
Arnd Bergmann.
2) Propagate proper error code in strparser's strp_recv(), from Geert
Uytterhoeven.
3) Fix accidental broadcast of RTM_GETTFILTER responses, from Eric
Dumazret.
4) Need to use list_for_each_entry_safe() in qed driver, from Wei
Yongjun.
5) Openvswitch 802.1AD bug fixes from Jiri Benc.
6) Cure BUILD_BUG_ON() in mlx5 driver, from Tom Herbert.
7) Fix UDP ipv6 checksumming in netvsc driver, from Stephen Hemminger.
8) stmmac driver fixes from Giuseppe CAVALLARO.
9) Fix access to mangled IP6CB in tcp, from Eric Dumazet.
10) Fix info leaks in tipc and rtnetlink, from Dan Carpenter.
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (27 commits)
net: bridge: add the multicast_flood flag attribute to brport_attrs
net: axienet: Remove unused parameter from __axienet_device_reset
liquidio: CN23XX: fix a loop timeout
net: rtnl: info leak in rtnl_fill_vfinfo()
tipc: info leak in __tipc_nl_add_udp_addr()
net: ipv4: Do not drop to make_route if oif is l3mdev
net: phy: Trigger state machine on state change and not polling.
ipv6: tcp: restore IP6CB for pktoptions skbs
netvsc: Remove mistaken udp.h inclusion.
xen-netback: fix type mismatch warning
stmmac: fix error check when init ptp
stmmac: fix ptp init for gmac4
qed: fix old-style function definition
netvsc: fix checksum on UDP IPV6
net_sched: reorder pernet ops and act ops registrations
xen-netback: fix guest Rx stall detection (after guest Rx refactor)
drivers/ptp: Fix kernel memory disclosure
net/mlx5: Add MLX5_ARRAY_SET64 to fix BUILD_BUG_ON
qmi_wwan: add support for Quectel EC21 and EC25
openvswitch: add NETIF_F_HW_VLAN_STAG_TX to internal dev
...
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Pull NFS client updates from Anna Schumaker:
"Highlights include:
Stable bugfixes:
- sunrpc: fix writ espace race causing stalls
- NFS: Fix inode corruption in nfs_prime_dcache()
- NFSv4: Don't report revoked delegations as valid in nfs_have_delegation()
- NFSv4: nfs4_copy_delegation_stateid() must fail if the delegation is invalid
- NFSv4: Open state recovery must account for file permission changes
- NFSv4.2: Fix a reference leak in nfs42_proc_layoutstats_generic
Features:
- Add support for tracking multiple layout types with an ordered list
- Add support for using multiple backchannel threads on the client
- Add support for pNFS file layout session trunking
- Delay xprtrdma use of DMA API (for device driver removal)
- Add support for xprtrdma remote invalidation
- Add support for larger xprtrdma inline thresholds
- Use a scatter/gather list for sending xprtrdma RPC calls
- Add support for the CB_NOTIFY_LOCK callback
- Improve hashing sunrpc auth_creds by using both uid and gid
Bugfixes:
- Fix xprtrdma use of DMA API
- Validate filenames before adding to the dcache
- Fix corruption of xdr->nwords in xdr_copy_to_scratch
- Fix setting buffer length in xdr_set_next_buffer()
- Don't deadlock the state manager on the SEQUENCE status flags
- Various delegation and stateid related fixes
- Retry operations if an interrupted slot receives EREMOTEIO
- Make nfs boot time y2038 safe"
* tag 'nfs-for-4.9-1' of git://git.linux-nfs.org/projects/anna/linux-nfs: (100 commits)
NFSv4.2: Fix a reference leak in nfs42_proc_layoutstats_generic
fs: nfs: Make nfs boot time y2038 safe
sunrpc: replace generic auth_cred hash with auth-specific function
sunrpc: add RPCSEC_GSS hash_cred() function
sunrpc: add auth_unix hash_cred() function
sunrpc: add generic_auth hash_cred() function
sunrpc: add hash_cred() function to rpc_authops struct
Retry operation on EREMOTEIO on an interrupted slot
pNFS: Fix atime updates on pNFS clients
sunrpc: queue work on system_power_efficient_wq
NFSv4.1: Even if the stateid is OK, we may need to recover the open modes
NFSv4: If recovery failed for a specific open stateid, then don't retry
NFSv4: Fix retry issues with nfs41_test/free_stateid
NFSv4: Open state recovery must account for file permission changes
NFSv4: Mark the lock and open stateids as invalid after freeing them
NFSv4: Don't test open_stateid unless it is set
NFSv4: nfs4_do_handle_exception() handle revoke/expiry of a single stateid
NFS: Always call nfs_inode_find_state_and_recover() when revoking a delegation
NFSv4: Fix a race when updating an open_stateid
NFSv4: Fix a race in nfs_inode_reclaim_delegation()
...
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Pull nfsd updates from Bruce Fields:
"Some RDMA work and some good bugfixes, and two new features that could
benefit from user testing:
- Anna Schumacker contributed a simple NFSv4.2 COPY implementation.
COPY is already supported on the client side, so a call to
copy_file_range() on a recent client should now result in a
server-side copy that doesn't require all the data to make a round
trip to the client and back.
- Jeff Layton implemented callbacks to notify clients when contended
locks become available, which should reduce latency on workloads
with contended locks"
* tag 'nfsd-4.9' of git://linux-nfs.org/~bfields/linux:
NFSD: Implement the COPY call
nfsd: handle EUCLEAN
nfsd: only WARN once on unmapped errors
exportfs: be careful to only return expected errors.
nfsd4: setclientid_confirm with unmatched verifier should fail
nfsd: randomize SETCLIENTID reply to help distinguish servers
nfsd: set the MAY_NOTIFY_LOCK flag in OPEN replies
nfs: add a new NFS4_OPEN_RESULT_MAY_NOTIFY_LOCK constant
nfsd: add a LRU list for blocked locks
nfsd: have nfsd4_lock use blocking locks for v4.1+ locks
nfsd: plumb in a CB_NOTIFY_LOCK operation
NFSD: fix corruption in notifier registration
svcrdma: support Remote Invalidation
svcrdma: Server-side support for rpcrdma_connect_private
rpcrdma: RDMA/CM private message data structure
svcrdma: Skip put_page() when send_reply() fails
svcrdma: Tail iovec leaves an orphaned DMA mapping
nfsd: fix dprintk in nfsd4_encode_getdeviceinfo
nfsd: eliminate cb_minorversion field
nfsd: don't set a FL_LAYOUT lease for flexfiles layouts
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git://git.kernel.org/pub/scm/linux/kernel/git/dgc/linux-xfs
< XFS has gained super CoW powers! >
----------------------------------
\ ^__^
\ (oo)\_______
(__)\ )\/\
||----w |
|| ||
Pull XFS support for shared data extents from Dave Chinner:
"This is the second part of the XFS updates for this merge cycle. This
pullreq contains the new shared data extents feature for XFS.
Given the complexity and size of this change I am expecting - like the
addition of reverse mapping last cycle - that there will be some
follow-up bug fixes and cleanups around the -rc3 stage for issues that
I'm sure will show up once the code hits a wider userbase.
What it is:
At the most basic level we are simply adding shared data extents to
XFS - i.e. a single extent on disk can now have multiple owners. To do
this we have to add new on-disk features to both track the shared
extents and the number of times they've been shared. This is done by
the new "refcount" btree that sits in every allocation group. When we
share or unshare an extent, this tree gets updated.
Along with this new tree, the reverse mapping tree needs to be updated
to track each owner or a shared extent. This also needs to be updated
ever share/unshare operation. These interactions at extent allocation
and freeing time have complex ordering and recovery constraints, so
there's a significant amount of new intent-based transaction code to
ensure that operations are performed atomically from both the runtime
and integrity/crash recovery perspectives.
We also need to break sharing when writes hit a shared extent - this
is where the new copy-on-write implementation comes in. We allocate
new storage and copy the original data along with the overwrite data
into the new location. We only do this for data as we don't share
metadata at all - each inode has it's own metadata that tracks the
shared data extents, the extents undergoing CoW and it's own private
extents.
Of course, being XFS, nothing is simple - we use delayed allocation
for CoW similar to how we use it for normal writes. ENOSPC is a
significant issue here - we build on the reservation code added in
4.8-rc1 with the reverse mapping feature to ensure we don't get
spurious ENOSPC issues part way through a CoW operation. These
mechanisms also help minimise fragmentation due to repeated CoW
operations. To further reduce fragmentation overhead, we've also
introduced a CoW extent size hint, which indicates how large a region
we should allocate when we execute a CoW operation.
With all this functionality in place, we can hook up .copy_file_range,
.clone_file_range and .dedupe_file_range and we gain all the
capabilities of reflink and other vfs provided functionality that
enable manipulation to shared extents. We also added a fallocate mode
that explicitly unshares a range of a file, which we implemented as an
explicit CoW of all the shared extents in a file.
As such, it's a huge chunk of new functionality with new on-disk
format features and internal infrastructure. It warns at mount time as
an experimental feature and that it may eat data (as we do with all
new on-disk features until they stabilise). We have not released
userspace suport for it yet - userspace support currently requires
download from Darrick's xfsprogs repo and build from source, so the
access to this feature is really developer/tester only at this point.
Initial userspace support will be released at the same time the kernel
with this code in it is released.
The new code causes 5-6 new failures with xfstests - these aren't
serious functional failures but things the output of tests changing
slightly due to perturbations in layouts, space usage, etc. OTOH,
we've added 150+ new tests to xfstests that specifically exercise this
new functionality so it's got far better test coverage than any
functionality we've previously added to XFS.
Darrick has done a pretty amazing job getting us to this stage, and
special mention also needs to go to Christoph (review, testing,
improvements and bug fixes) and Brian (caught several intricate bugs
during review) for the effort they've also put in.
Summary:
- unshare range (FALLOC_FL_UNSHARE) support for fallocate
- copy-on-write extent size hints (FS_XFLAG_COWEXTSIZE) for fsxattr
interface
- shared extent support for XFS
- copy-on-write support for shared extents
- copy_file_range support
- clone_file_range support (implements reflink)
- dedupe_file_range support
- defrag support for reverse mapping enabled filesystems"
* tag 'xfs-reflink-for-linus-4.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/dgc/linux-xfs: (71 commits)
xfs: convert COW blocks to real blocks before unwritten extent conversion
xfs: rework refcount cow recovery error handling
xfs: clear reflink flag if setting realtime flag
xfs: fix error initialization
xfs: fix label inaccuracies
xfs: remove isize check from unshare operation
xfs: reduce stack usage of _reflink_clear_inode_flag
xfs: check inode reflink flag before calling reflink functions
xfs: implement swapext for rmap filesystems
xfs: refactor swapext code
xfs: various swapext cleanups
xfs: recognize the reflink feature bit
xfs: simulate per-AG reservations being critically low
xfs: don't mix reflink and DAX mode for now
xfs: check for invalid inode reflink flags
xfs: set a default CoW extent size of 32 blocks
xfs: convert unwritten status of reverse mappings for shared files
xfs: use interval query for rmap alloc operations on shared files
xfs: add shared rmap map/unmap/convert log item types
xfs: increase log reservations for reflink
...
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We are already doing the same thing for an ordinary open case:
we can't keep read oplock on a file if we have mandatory byte-range
locks because pagereading can conflict with these locks on a server.
Fix it by setting oplock level to NONE.
Signed-off-by: Pavel Shilovsky <pshilov@microsoft.com>
Signed-off-by: Steve French <smfrench@gmail.com>
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openFileList of tcon can be changed while cifs_reopen_file() is called
that can lead to an unexpected behavior when we return to the loop.
Fix this by introducing a temp list for keeping all file handles that
need to be reopen.
Signed-off-by: Pavel Shilovsky <pshilov@microsoft.com>
Signed-off-by: Steve French <smfrench@gmail.com>
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We split the rawntlmssp authentication into negotiate and
authencate parts. We also clean up the code and add helpers.
Signed-off-by: Sachin Prabhu <sprabhu@redhat.com>
Signed-off-by: Steve French <smfrench@gmail.com>
Reviewed-by: Pavel Shilovsky <pshilov@microsoft.com>
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Add helper functions and split Kerberos authentication off
SMB2_sess_setup.
Signed-off-by: Sachin Prabhu <sprabhu@redhat.com>
Signed-off-by: Steve French <smfrench@gmail.com>
Reviewed-by: Pavel Shilovsky <pshilov@microsoft.com>
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/sys/module/cifs/parameters should display the three
other module load time configuration settings for cifs.ko
Signed-off-by: Germano Percossi <germano.percossi@citrix.com>
Signed-off-by: Steve French <steve.french@primarydata.com>
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Cleanup some missing mem frees on some cifs ioctls, and
clarify others to make more obvious that no data is returned.
CC: Stable <stable@vger.kernel.org>
Signed-off-by: Steve French <smfrench@gmail.com>
Acked-by: Sachin Prabhu <sprabhu@redhat.com>
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Add ioctl to query previous versions of file
Allows listing snapshots on files on SMB3 mounts.
Signed-off-by: Steve French <smfrench@gmail.com>
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[CIFS] We had cases where we sent a SMB2/SMB3 setinfo request with all
timestamp (and DOS attribute) fields marked as 0 (ie do not change)
e.g. on chmod or chown.
Signed-off-by: Steve French <steve.french@primarydata.com>
CC: Stable <stable@vger.kernel.org>
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Prepare second round of input updates for 4.9 merge window.
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git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci
PCI changes for the v4.9 merge window:
"Here are some more changes I'd like to have in v4.9. There's one
small Tegra bug fix in the PHY poweroff path, which is only used in
failure paths.
The rest is all strictly cleanup that should make host bridge drivers
more readable, but shouldn't actually change any behavior.
Summary:
- use local struct device pointers in many host bridge drivers for
clarity
- remove unused platform data
- use generic DesignWare accessors
- misc cleanups: remove redundant structure entries and re-order
structure members to put comon generic fields first etc"
* tag 'pci-v4.9-changes-2' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci: (108 commits)
MAINTAINERS: Add maintainer for the PCIe Marvell Armada 8K driver
MAINTAINERS: Add DT binding to the Aardvark PCIe driver maintainer
PCI: rockchip: Indent "if" statement body
PCI: hisi: Reorder struct hisi_pcie
PCI: hisi: Pass device-specific struct to internal functions
PCI: hisi: Include register block base in PCIE_SYS_STATE4 address
PCI: dra7xx: Reorder struct dra7xx_pcie
PCI: xilinx-nwl: Remove unused platform data
PCI: xilinx-nwl: Add local struct device pointers
PCI: xilinx: Removed unused xilinx_pcie_assign_msi() argument
PCI: xilinx: Remove unused platform data
PCI: xilinx: Add local struct device pointers
PCI: xgene: Add register accessors
PCI: xgene: Pass struct xgene_pcie_port to setup functions
PCI: xgene: Remove unused platform data
PCI: tegra: Remove unused platform data
PCI: tegra: Add local struct device pointers
PCI: tegra: Fix argument order in tegra_pcie_phy_disable()
PCI: rockchip: Remove unused platform data
PCI: rcar-gen2: Add local struct device pointers
...
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git://git.infradead.org/users/dvhart/linux-platform-drivers-x86
Pull x86 platform drivers updates from Darren Hart:
"Cleanups, refactoring, and a couple bug fixes.
intel_pmc_core:
- avoid boot time warning for !CONFIG_DEBUGFS_FS
intel_pmc_ipc:
- Convert to use platform_device_register_full
asus-wmi:
- Filter buggy scan codes on ASUS Q500A
toshiba_bluetooth:
- Decouple an error checking status code
toshiba_haps:
- Change logging level from info to debug
- Split ACPI and HDD protection error handling
asus-laptop:
- get rid of parse_arg()
asus-wmi:
- fix asus ux303ub brightness issue
toshiba_acpi:
- Fix typo in *_cooling_method_set function
- Change error checking logic from TCI functions
- Clean up variable declaration"
* tag 'platform-drivers-x86-v4.9-1' of git://git.infradead.org/users/dvhart/linux-platform-drivers-x86:
platform/x86: intel_pmc_core: avoid boot time warning for !CONFIG_DEBUGFS_FS
platform/x86: intel_pmc_ipc: Convert to use platform_device_register_full
platform/x86: asus-wmi: Filter buggy scan codes on ASUS Q500A
platform/x86: toshiba_bluetooth: Decouple an error checking status code
platform/x86: toshiba_haps: Change logging level from info to debug
platform/x86: toshiba_haps: Split ACPI and HDD protection error handling
platform/x86: asus-laptop: get rid of parse_arg()
platform/x86: asus-wmi: fix asus ux303ub brightness issue
platform/x86: toshiba_acpi: Fix typo in *_cooling_method_set function
platform/x86: toshiba_acpi: Change error checking logic from TCI functions
platform/x86: toshiba_acpi: Clean up variable declaration
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Pull watchdog updates from Wim Van Sebroeck:
- a new watchdog pretimeout governor framework
- support to upload the firmware on the ziirave_wdt
- several fixes and cleanups
* git://www.linux-watchdog.org/linux-watchdog: (26 commits)
watchdog: imx2_wdt: add pretimeout function support
watchdog: softdog: implement pretimeout support
watchdog: pretimeout: add pretimeout_available_governors attribute
watchdog: pretimeout: add option to select a pretimeout governor in runtime
watchdog: pretimeout: add panic pretimeout governor
watchdog: pretimeout: add noop pretimeout governor
watchdog: add watchdog pretimeout governor framework
watchdog: hpwdt: add support for iLO5
fs: compat_ioctl: add pretimeout functions for watchdogs
watchdog: add pretimeout support to the core
watchdog: imx2_wdt: use preferred BIT macro instead of open coded values
watchdog: st_wdt: Remove support for obsolete platforms
watchdog: bindings: Remove obsolete platforms from dt doc.
watchdog: mt7621_wdt: Remove assignment of dev pointer
watchdog: rt2880_wdt: Remove assignment of dev pointer
watchdog: constify watchdog_ops structures
watchdog: tegra: constify watchdog_ops structures
watchdog: iTCO_wdt: constify iTCO_wdt_pm structure
watchdog: cadence_wdt: Fix the suspend resume
watchdog: txx9wdt: Add missing clock (un)prepare calls for CCF
...
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