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git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media
Pull media fixes from Mauro Carvalho Chehab:
"A series of bug fix patches for v3.15-rc1. Most are just driver
fixes. There are some changes at remote controller core level, fixing
some definitions on a new API added for Kernel v3.15.
It also adds the missing include at include/uapi/linux/v4l2-common.h,
to allow its compilation on userspace, as pointed by you"
* 'v4l_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: (24 commits)
[media] gpsca: remove the risk of a division by zero
[media] stk1160: warrant a NUL terminated string
[media] v4l: ti-vpe: retain v4l2_buffer flags for captured buffers
[media] v4l: ti-vpe: Set correct field parameter for output and capture buffers
[media] v4l: ti-vpe: zero out reserved fields in try_fmt
[media] v4l: ti-vpe: Fix initial configuration queue data
[media] v4l: ti-vpe: Use correct bus_info name for the device in querycap
[media] v4l: ti-vpe: report correct capabilities in querycap
[media] v4l: ti-vpe: Allow usage of smaller images
[media] v4l: ti-vpe: Use video_device_release_empty
[media] v4l: ti-vpe: Make sure in job_ready that we have the needed number of dst_bufs
[media] lgdt3305: include sleep functionality in lgdt3304_ops
[media] drx-j: use customise option correctly
[media] m88rs2000: fix sparse static warnings
[media] r820t: fix size and init values
[media] rc-core: remove generic scancode filter
[media] rc-core: split dev->s_filter
[media] rc-core: do not change 32bit NEC scancode format for now
[media] rtl28xxu: remove duplicate ID 0458:707f Genius TVGo DVB-T03
[media] xc2028: add missing break to switch
...
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Pull PCIe non-transparent bridge fixes and features from Jon Mason:
"NTB driver bug fixes to address issues in list traversal, skb leak in
ntb_netdev, a typo, and a leak of msix entries in the error path.
Clean ups of the event handling logic, as well as a overall style
cleanup. Finally, the driver was converted to use the new
pci_enable_msix_range logic (and the refactoring to go along with it)"
* tag 'ntb-3.15' of git://github.com/jonmason/ntb:
ntb: Use pci_enable_msix_range() instead of pci_enable_msix()
ntb: Split ntb_setup_msix() into separate BWD/SNB routines
ntb: Use pci_msix_vec_count() to obtain number of MSI-Xs
NTB: Code Style Clean-up
NTB: client event cleanup
ntb: Fix leakage of ntb_device::msix_entries[] array
NTB: Fix typo in setting one translation register
ntb_netdev: Fix skb free issue in open
ntb_netdev: Fix list_for_each_entry exit issue
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git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
Pull vfs updates from Al Viro:
"The first vfs pile, with deep apologies for being very late in this
window.
Assorted cleanups and fixes, plus a large preparatory part of iov_iter
work. There's a lot more of that, but it'll probably go into the next
merge window - it *does* shape up nicely, removes a lot of
boilerplate, gets rid of locking inconsistencie between aio_write and
splice_write and I hope to get Kent's direct-io rewrite merged into
the same queue, but some of the stuff after this point is having
(mostly trivial) conflicts with the things already merged into
mainline and with some I want more testing.
This one passes LTP and xfstests without regressions, in addition to
usual beating. BTW, readahead02 in ltp syscalls testsuite has started
giving failures since "mm/readahead.c: fix readahead failure for
memoryless NUMA nodes and limit readahead pages" - might be a false
positive, might be a real regression..."
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs: (63 commits)
missing bits of "splice: fix racy pipe->buffers uses"
cifs: fix the race in cifs_writev()
ceph_sync_{,direct_}write: fix an oops on ceph_osdc_new_request() failure
kill generic_file_buffered_write()
ocfs2_file_aio_write(): switch to generic_perform_write()
ceph_aio_write(): switch to generic_perform_write()
xfs_file_buffered_aio_write(): switch to generic_perform_write()
export generic_perform_write(), start getting rid of generic_file_buffer_write()
generic_file_direct_write(): get rid of ppos argument
btrfs_file_aio_write(): get rid of ppos
kill the 5th argument of generic_file_buffered_write()
kill the 4th argument of __generic_file_aio_write()
lustre: don't open-code kernel_recvmsg()
ocfs2: don't open-code kernel_recvmsg()
drbd: don't open-code kernel_recvmsg()
constify blk_rq_map_user_iov() and friends
lustre: switch to kernel_sendmsg()
ocfs2: don't open-code kernel_sendmsg()
take iov_iter stuff to mm/iov_iter.c
process_vm_access: tidy up a bit
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Pull audit updates from Eric Paris.
* git://git.infradead.org/users/eparis/audit: (28 commits)
AUDIT: make audit_is_compat depend on CONFIG_AUDIT_COMPAT_GENERIC
audit: renumber AUDIT_FEATURE_CHANGE into the 1300 range
audit: do not cast audit_rule_data pointers pointlesly
AUDIT: Allow login in non-init namespaces
audit: define audit_is_compat in kernel internal header
kernel: Use RCU_INIT_POINTER(x, NULL) in audit.c
sched: declare pid_alive as inline
audit: use uapi/linux/audit.h for AUDIT_ARCH declarations
syscall_get_arch: remove useless function arguments
audit: remove stray newline from audit_log_execve_info() audit_panic() call
audit: remove stray newlines from audit_log_lost messages
audit: include subject in login records
audit: remove superfluous new- prefix in AUDIT_LOGIN messages
audit: allow user processes to log from another PID namespace
audit: anchor all pid references in the initial pid namespace
audit: convert PPIDs to the inital PID namespace.
pid: get pid_t ppid of task in init_pid_ns
audit: rename the misleading audit_get_context() to audit_take_context()
audit: Add generic compat syscall support
audit: Add CONFIG_HAVE_ARCH_AUDITSYSCALL
...
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git://git.kernel.org/pub/scm/linux/kernel/git/djbw/isci
Pull async SCSI resume support from Dan Williams:
"Allow disks and other devices to resume in parallel.
This provides a tangible speed up for a non-esoteric use case (laptop
resume):
https://01.org/suspendresume/blogs/tebrandt/2013/hard-disk-resume-optimization-simpler-approach"
* 'async-scsi-resume' of git://git.kernel.org/pub/scm/linux/kernel/git/djbw/isci:
scsi: async sd resume
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Pull md updates from Neil Brown:
"Just a few md patches for the 3.15 merge window.
Not much happening in md/raid at the moment. Just a few bug fixes
(one for -stable) and a couple of performance tweaks"
* tag 'md/3.15' of git://neil.brown.name/md:
raid5: get_active_stripe avoids device_lock
raid5: make_request does less prepare wait
md: avoid oops on unload if some process is in poll or select.
md/raid1: r1buf_pool_alloc: free allocate pages when subsequent allocation fails.
md/bitmap: don't abuse i_writecount for bitmap files.
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Pull NVMe driver updates from Matthew Wilcox:
"Various updates to the NVMe driver. The most user-visible change is
that drive hotplugging now works and CPU hotplug while an NVMe drive
is installed should also work better"
* git://git.infradead.org/users/willy/linux-nvme:
NVMe: Retry failed commands with non-fatal errors
NVMe: Add getgeo to block ops
NVMe: Start-stop nvme_thread during device add-remove.
NVMe: Make I/O timeout a module parameter
NVMe: CPU hot plug notification
NVMe: per-cpu io queues
NVMe: Replace DEFINE_PCI_DEVICE_TABLE
NVMe: Fix divide-by-zero in nvme_trans_io_get_num_cmds
NVMe: IOCTL path RCU protect queue access
NVMe: RCU protected access to io queues
NVMe: Initialize device reference count earlier
NVMe: Add CONFIG_PM_SLEEP to suspend/resume functions
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git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi
Pull spi fixes from Mark Brown:
"A few driver specific fixes, the main one being the fix for handling
of complete callbacks that are open coded in individual drivers to
allow callers to omit the completion. As we move things into the core
that sort of issue should become less and less common"
* tag 'spi-v3.15-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi:
spi: qup: Depend on ARCH_QCOM
spi: efm32: Update binding document to make "efm32,location" property optional
spi: omap2-mcspi: Convert to use devm_kcalloc
spi: Always check complete callback before calling it
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git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator
Pull regulator fixes from Mark Brown:
"A few driver specific fixes that have come in over the merge window,
all only relevant for the specific driver"
* tag 'regulator-v3.15-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator:
regulator: bcm590xx: Set n_voltages for linear reg
regulator: s5m8767: Fix carried over ena_gpio assignment
regulator: s2mps11: Don't check enable_shift before setting enable ramp rate
regulator: s2mpa01: Don't check enable_shift before setting enable ramp rate
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git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regmap
Pull regmap fix from Mark Brown:
"regmap: Fix for nodev mode
Add mising braces so that the nodev mode actually works (which was a
bit of an oversight)"
Testing schmesting. We don't need not steenking testing. We have
deadlines to beat, and new code to write.
* tag 'regmap-v3.15-nodev' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regmap:
regmap: adds missing braces in regmap_init()
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git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull more ACPI and power management fixes and updates from Rafael Wysocki:
"This is PM and ACPI material that has emerged over the last two weeks
and one fix for a CPU hotplug regression introduced by the recent CPU
hotplug notifiers registration series.
Included are intel_idle and turbostat updates from Len Brown (these
have been in linux-next for quite some time), a new cpufreq driver for
powernv (that might spend some more time in linux-next, but BenH was
asking me so nicely to push it for 3.15 that I couldn't resist), some
cpufreq fixes and cleanups (including fixes for some silly breakage in
a couple of cpufreq drivers introduced during the 3.14 cycle),
assorted ACPI cleanups, wakeup framework documentation fixes, a new
sysfs attribute for cpuidle and a new command line argument for power
domains diagnostics.
Specifics:
- Fix for a recently introduced CPU hotplug regression in ARM KVM
from Ming Lei.
- Fixes for breakage in the at32ap, loongson2_cpufreq, and unicore32
cpufreq drivers introduced during the 3.14 cycle (-stable material)
from Chen Gang and Viresh Kumar.
- New powernv cpufreq driver from Vaidyanathan Srinivasan, with bits
from Gautham R Shenoy and Srivatsa S Bhat.
- Exynos cpufreq driver fix preventing it from being included into
multiplatform builds that aren't supported by it from Sachin Kamat.
- cpufreq cleanups related to the usage of the driver_data field in
struct cpufreq_frequency_table from Viresh Kumar.
- cpufreq ppc driver cleanup from Sachin Kamat.
- Intel BayTrail support for intel_idle and ACPI idle from Len Brown.
- Intel CPU model 54 (Atom N2000 series) support for intel_idle from
Jan Kiszka.
- intel_idle fix for Intel Ivy Town residency targets from Len Brown.
- turbostat updates (Intel Broadwell support and output cleanups)
from Len Brown.
- New cpuidle sysfs attribute for exporting C-states' target
residency information to user space from Daniel Lezcano.
- New kernel command line argument to prevent power domains enabled
by the bootloader from being turned off even if they are not in use
(for diagnostics purposes) from Tushar Behera.
- Fixes for wakeup sysfs attributes documentation from Geert
Uytterhoeven.
- New ACPI video blacklist entry for ThinkPad Helix from Stephen
Chandler Paul.
- Assorted ACPI cleanups and a Kconfig help update from Jonghwan
Choi, Zhihui Zhang, Hanjun Guo"
* tag 'pm+acpi-3.15-rc1-3' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (28 commits)
ACPI: Update the ACPI spec information in Kconfig
arm, kvm: fix double lock on cpu_add_remove_lock
cpuidle: sysfs: Export target residency information
cpufreq: ppc: Remove duplicate inclusion of fsl_soc.h
cpufreq: create another field .flags in cpufreq_frequency_table
cpufreq: use kzalloc() to allocate memory for cpufreq_frequency_table
cpufreq: don't print value of .driver_data from core
cpufreq: ia64: don't set .driver_data to index
cpufreq: powernv: Select CPUFreq related Kconfig options for powernv
cpufreq: powernv: Use cpufreq_frequency_table.driver_data to store pstate ids
cpufreq: powernv: cpufreq driver for powernv platform
cpufreq: at32ap: don't declare local variable as static
cpufreq: loongson2_cpufreq: don't declare local variable as static
cpufreq: unicore32: fix typo issue for 'clk'
cpufreq: exynos: Disable on multiplatform build
PM / wakeup: Correct presence vs. emptiness of wakeup_* attributes
PM / domains: Add pd_ignore_unused to keep power domains enabled
ACPI / dock: Drop dock_device_ids[] table
ACPI / video: Favor native backlight interface for ThinkPad Helix
ACPI / thermal: Fix wrong variable usage in debug statement
...
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 fixes from Peter Anvin:
"This is a collection of minor fixes for x86, plus the IRET information
leak fix (forbid the use of 16-bit segments in 64-bit mode)"
NOTE! We may have to relax the "forbid the use of 16-bit segments in
64-bit mode" part, since there may be people who still run and depend on
16-bit Windows binaries under Wine.
But I'm taking this in the current unconditional form for now to see who
(if anybody) screams bloody murder. Maybe nobody cares. And maybe
we'll have to update it with some kind of runtime enablement (like our
vm.mmap_min_addr tunable that people who run dosemu/qemu/wine already
need to tweak).
* 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86-64, modify_ldt: Ban 16-bit segments on 64-bit kernels
efi: Pass correct file handle to efi_file_{read,close}
x86/efi: Correct EFI boot stub use of code32_start
x86/efi: Fix boot failure with EFI stub
x86/platform/hyperv: Handle VMBUS driver being a module
x86/apic: Reinstate error IRQ Pentium erratum 3AP workaround
x86, CMCI: Add proper detection of end of CMCI storms
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git://git.kernel.org/pub/scm/linux/kernel/git/mfleming/efi into x86/urgent
Pull EFI fixes from Matt Fleming:
"* Fix EFI boot regression introduced during the merge window where the
firmware was reading random values from the stack because we were
passing a pointer to the wrong object type.
* Kernel corruption has been reported when booting with the EFI boot
stub which was tracked down to setting a bogus value for
bp->hdr.code32_start, resulting in corruption during relocation.
* Olivier Martin reported that the wrong file handles were being passed
to efi_file_(read|close), which works for x86 by luck due to the way
that the FAT driver is implemented, but doesn't work on ARM."
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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'spi/fix/omap2-mcspi' and 'spi/fix/qup' into spi-linus
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spi: Updates for v3.15
A busy release for both cleanups and new drivers this time along with
further factoring out of replicated code into the core:
- Provide support in the core for DMA mapping transfers - essentially
all drivers weren't implementing this properly, now there's no
excuse.
- Dual and quad mode support for spidev.
- Fix handling of cs_change in the generic implementation.
- Remove the S3C_DMA code from the s3c64xx driver now that all the
platforms using it have been converted to dmaengine.
- Lots of improvements to the Renesas SPI controllers.
- Drivers for Allwinner A10 and A31, Qualcomm QUP and Xylinx xtfpga.
- Removal of the bitrotted ti-ssp driver.
# gpg: Signature made Mon 31 Mar 2014 12:03:09 BST using RSA key ID 7EA229BD
# gpg: Good signature from "Mark Brown <broonie@sirena.org.uk>"
# gpg: aka "Mark Brown <broonie@debian.org>"
# gpg: aka "Mark Brown <broonie@kernel.org>"
# gpg: aka "Mark Brown <broonie@tardis.ed.ac.uk>"
# gpg: aka "Mark Brown <broonie@linaro.org>"
# gpg: aka "Mark Brown <Mark.Brown@linaro.org>"
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and 'regulator/fix/s5m8767' into regulator-linus
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regulator: Updates for v3.15
This release has lots and lots of small cleanups and fixes in the
regulator subsystem, mainly cleaning up some bad patterns that got
duplicated in DT code, but otherwise very little of note outside
of the scope of the relevant drivers:
- Support for configuration of the initial state for gpio regulators
with multi-voltage support.
- Support for calling regulator_set_voltage() on fixed regulators.
- New drivers for Broadcom BCM590xx, Freescale pfuze200, Samsung S2MPA01 &
S2MPS11/4, some PWM controlled regulators found on some ST boards and
TI TPS65218.
# gpg: Signature made Mon 31 Mar 2014 12:29:14 BST using RSA key ID 7EA229BD
# gpg: Good signature from "Mark Brown <broonie@sirena.org.uk>"
# gpg: aka "Mark Brown <broonie@debian.org>"
# gpg: aka "Mark Brown <broonie@kernel.org>"
# gpg: aka "Mark Brown <broonie@tardis.ed.ac.uk>"
# gpg: aka "Mark Brown <broonie@linaro.org>"
# gpg: aka "Mark Brown <Mark.Brown@linaro.org>"
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async_schedule() sd resume work to allow disks and other devices to
resume in parallel.
This moves the entirety of scsi_device resume to an async context to
ensure that scsi_device_resume() remains ordered with respect to the
completion of the start/stop command. For the duration of the resume,
new command submissions (that do not originate from the scsi-core) will
be deferred (BLKPREP_DEFER).
It adds a new ASYNC_DOMAIN_EXCLUSIVE(scsi_sd_pm_domain) as a container
of these operations. Like scsi_sd_probe_domain it is flushed at
sd_remove() time to ensure async ops do not continue past the
end-of-life of the sdev. The implementation explicitly refrains from
reusing scsi_sd_probe_domain directly for this purpose as it is flushed
at the end of dpm_resume(), potentially defeating some of the benefit.
Given sdevs are quiesced it is permissible for these resume operations
to bleed past the async_synchronize_full() calls made by the driver
core.
We defer the resolution of which pm callback to call until
scsi_dev_type_{suspend|resume} time and guarantee that the callback
parameter is never NULL. With this in place the type of resume
operation is encoded in the async function identifier.
There is a concern that async resume could trigger PSU overload. In the
enterprise, storage enclosures enforce staggered spin-up regardless of
what the kernel does making async scanning safe by default. Outside of
that context a user can disable asynchronous scanning via a kernel
command line or CONFIG_SCSI_SCAN_ASYNC. Honor that setting when
deciding whether to do resume asynchronously.
Inspired by Todd's analysis and initial proposal [2]:
https://01.org/suspendresume/blogs/tebrandt/2013/hard-disk-resume-optimization-simpler-approach
Cc: Len Brown <len.brown@intel.com>
Cc: Phillip Susi <psusi@ubuntu.com>
[alan: bug fix and clean up suggestion]
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Suggested-by: Todd Brandt <todd.e.brandt@linux.intel.com>
[djbw: kick all resume work to the async queue]
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
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Fix the macro used to define linear range regulators to include the
number of voltages.
Signed-off-by: Tim Kryger <tim.kryger@linaro.org>
Acked-by: Matt Porter <mporter@linaro.org>
Signed-off-by: Mark Brown <broonie@linaro.org>
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For commands returned with failed status, queue these for resubmission
and continue retrying them until success or for a limited amount of
time. The final timeout was arbitrarily chosen so requests can't be
retried indefinitely.
Since these are requeued on the nvmeq that submitted the command, the
callbacks have to take an nvmeq instead of an nvme_dev as a parameter
so that we can use the locked queue to append the iod to retry later.
The nvme_iod conviently can be used to track how long we've been trying
to successfully complete an iod request. The nvme_iod also provides the
nvme prp dma mappings, so I had to move a few things around so we can
keep those mappings.
Signed-off-by: Keith Busch <keith.busch@intel.com>
[fixed checkpatch issue with long line]
Signed-off-by: Matthew Wilcox <matthew.r.wilcox@intel.com>
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Some programs require HDIO_GETGEO work, which requires we implement
getgeo.
Signed-off-by: Keith Busch <keith.busch@intel.com>
Signed-off-by: Matthew Wilcox <matthew.r.wilcox@intel.com>
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Done to ensure nvme_thread is not running when there
are no devices to poll.
Signed-off-by: Dan McLeran <daniel.mcleran@intel.com>
Signed-off-by: Matthew Wilcox <matthew.r.wilcox@intel.com>
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Increase the default timeout to 30 seconds to match SCSI.
Signed-off-by: Keith Busch <keith.busch@intel.com>
[use byte instead of ushort]
Signed-off-by: Matthew Wilcox <matthew.r.wilcox@intel.com>
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Registers with hot cpu notification to rebalance, and potentially allocate
additional, io queues.
Signed-off-by: Keith Busch <keith.busch@intel.com>
Signed-off-by: Matthew Wilcox <matthew.r.wilcox@intel.com>
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The device's IO queues are associated with CPUs, so we can use a per-cpu
variable to map the a qid to a cpu. This provides a convienient way
to optimally assign queues to multiple cpus when the device supports
fewer queues than the host has cpus. The previous implementation may
have assigned these poorly in these situations. This patch addresses
this by sharing queues among cpus that are "close" together and should
have a lower lock contention penalty.
Signed-off-by: Keith Busch <keith.busch@intel.com>
Signed-off-by: Matthew Wilcox <matthew.r.wilcox@intel.com>
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We're currently passing the file handle for the root file system to
efi_file_read() and efi_file_close(), instead of the file handle for the
file we wish to read/close.
While this has worked up until now, it seems that it has only been by
pure luck. Olivier explains,
"The issue is the UEFI Fat driver might return the same function for
'fh->read()' and 'h->read()'. While in our case it does not work with
a different implementation of EFI_SIMPLE_FILE_SYSTEM_PROTOCOL. In our
case, we return a different pointer when reading a directory and
reading a file."
Fixing this actually clears up the two functions because we can drop one
of the arguments, and instead only pass a file 'handle' argument.
Reported-by: Olivier Martin <olivier.martin@arm.com>
Reviewed-by: Olivier Martin <olivier.martin@arm.com>
Reviewed-by: Mark Rutland <mark.rutland@arm.com>
Cc: Leif Lindholm <leif.lindholm@linaro.org>
Signed-off-by: Matt Fleming <matt.fleming@intel.com>
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Pull x86 platform driver updates from Matthew Garrett:
"Support for the new keyboard features on the Thinkpad Carbon, a bunch
of updates for the Sony and Toshiba drivers, a new driver for upcoming
Alienware hardware and a few misc fixes. There's a couple of patches
that got Acked today but aren't invasive, so I'll send a further PR
for them next week"
* 'for_linus' of git://cavan.codon.org.uk/platform-drivers-x86: (28 commits)
alienware-wmi: cover some scenarios where memory allocations would fail
Add WMI driver for controlling AlienFX features on some Alienware products
fujitsu-tablet: add support for Lifebook T901 and T902
x86, platform: Make HP_WIRELESS option text more descriptive
x86, acpi: LLVMLinux: Remove nested functions from Thinkpad ACPI
save and restore adaptive keyboard mode for suspend and,resume
support Thinkpad X1 Carbon 2nd generation's adaptive keyboard
toshiba_acpi: Fix whitespace
toshiba_acpi: Update version and copyright info
toshiba_acpi: Add accelerometer support
toshiba_acpi: Add ECO mode led support
toshiba_acpi: Add touchpad enable/disable support-
toshiba_acpi: Add keyboard backlight support
toshiba_acpi: Adapt Illumination code to use SCI
toshiba_acpi: Add System Configuration Interface
thinkpad_acpi: Fix inconsistent mute LED after resume
sonypi: Simplify dependencies
Revert "X86 platform: New BayTrail IOSF-SB MBI driver"
sony-laptop: remove useless sony-laptop versioning
sony-laptop: add smart connect control function
...
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Pull block layer fixes from Jens Axboe:
"A small collection of fixes that should go in before -rc1. The pull
request contains:
- A two patch fix for a regression with block enabled tagging caused
by a commit in the initial pull request. One patch is from Martin
and ensures that SCSI doesn't truncate 64-bit block flags, the
other one is from me and prevents us from double using struct
request queuelist for both completion and busy tags. This caused
anything from a boot crash for some, to crashes under load.
- A blk-mq fix for a potential soft stall when hot unplugging CPUs
with busy IO.
- percpu_counter fix is listed in here, that caused a suspend issue
with virtio-blk due to percpu counters having an inconsistent state
during CPU removal. Andrew sent this in separately a few days ago,
but it's here. JFYI.
- A few fixes for block integrity from Martin.
- A ratelimit fix for loop from Mike Galbraith, to avoid spewing too
much in error cases"
* 'for-linus' of git://git.kernel.dk/linux-block:
block: fix regression with block enabled tagging
scsi: Make sure cmd_flags are 64-bit
block: Ensure we only enable integrity metadata for reads and writes
block: Fix integrity verification
block: Fix for_each_bvec()
drivers/block/loop.c: ratelimit error messages
blk-mq: fix potential stall during CPU unplug with IO pending
percpu_counter: fix bad counter state during suspend
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git://git.kernel.org/pub/scm/linux/kernel/git/rzhang/linux
Pull thermal management updates from Zhang Rui:
"We only have a couple of fixes/cleanups for platform thermal drivers
this time.
Specifics:
- rcar thermal driver: avoid updating the thermal zone in case an IRQ
was triggered but the temperature didn't effectively change. From
Patrick Titiano.
- update the imx thermal driver' formula of converting thermal
sensor' raw date to real temperature in degree C. From Anson
Huang.
- trivial code cleanups of ti soc thermal and rcar thermal driver
from Jingoo Han and Patrick Titiano"
* 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/rzhang/linux:
thermal: rcar-thermal: update thermal zone only when temperature changes
thermal: rcar-thermal: fix same mask applied twice
thermal: ti-soc-thermal: Use SIMPLE_DEV_PM_OPS macro
thermal: imx: update formula for thermal sensor
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Intel test builder caught a few instances that should test if kzalloc failed to
allocate memory as well as a scenario that platform_driver wasn't properly
initialized.
Signed-off-by: Mario Limonciello <mario_limonciello@dell.com>
Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/cooloney/linux-leds
Pull LED updates from Bryan Wu:
"This cycle we got:
- new driver for leds-mc13783
- bug fixes
- code cleanup"
* 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/cooloney/linux-leds:
leds: make sure we unregister a trigger only once
leds: leds-pwm: properly clean up after probe failure
leds: clevo-mail: Make probe function __init
leds-ot200: Fix dependencies
leds-gpio: of: introduce MODULE_DEVICE_TABLE for module autoloading
leds: clevo-mail: remove __initdata marker
leds: leds-ss4200: remove __initdata marker
leds: blinkm: remove unnecessary spaces
leds: lp5562: remove unnecessary parentheses
leds: leds-ss4200: remove DEFINE_PCI_DEVICE_TABLE macro
leds: leds-s3c24xx: Trivial cleanup in header file
drivers/leds: delete non-required instances of include <linux/init.h>
leds: leds-gpio: add retain-state-suspended property
leds: leds-mc13783: Add devicetree support
leds: leds-mc13783: Remove unnecessary cleaning of registers on exit
leds: leds-mc13783: Use proper "max_brightness" value fo LEDs
leds: leds-mc13783: Use LED core PM functions
leds: leds-mc13783: Add MC34708 LED support
leds: Turn off led if blinking is disabled
ledtrig-cpu: Handle CPU hot(un)plugging
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Pull slave-dmaengine updates from Vinod Koul:
- New driver for Qcom bam dma
- New driver for RCAR peri-peri
- New driver for FSL eDMA
- Various odd fixes and updates thru the subsystem
* 'for-linus' of git://git.infradead.org/users/vkoul/slave-dma: (29 commits)
dmaengine: add Qualcomm BAM dma driver
shdma: add R-Car Audio DMAC peri peri driver
dmaengine: sirf: enable generic dt binding for dma channels
dma: omap-dma: Implement device_slave_caps callback
dmaengine: qcom_bam_dma: Add device tree binding
dma: dw: Add suspend and resume handling for PCI mode DW_DMAC.
dma: dw: allocate memory in two stages in probe
Add new line to test result strings produced in verbose mode
dmaengine: pch_dma: use tasklet_kill in teardown
dmaengine: at_hdmac: use tasklet_kill in teardown
dma: cppi41: start tear down only if channel is busy
usb: musb: musb_cppi41: Dont reprogram DMA if tear down is initiated
dmaengine: s3c24xx-dma: make phy->irq signed for error handling
dma: imx-dma: Add missing module owner field
dma: imx-dma: Replace printk with dev_*
dma: fsl-edma: fix static checker warning of NULL dereference
dma: Remove comment about embedding dma_slave_config into custom structs
dma: mmp_tdma: move to generic device tree binding
dma: mmp_pdma: add IRQF_SHARED when request irq
dma: edma: Fix memory leak in edma_prep_dma_cyclic()
...
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git://git.kernel.org/pub/scm/linux/kernel/git/lee/backlight
Pull backlight changes from Lee Jones:
- core: call put_device() instead of kfree()
- gpio-backlight: add DT support
- lm3639_bl driver: use managed resources
* tag 'backlight-for-linus-3.15' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/backlight:
backlight: lm3639: Use devm_backlight_device_register()
backlight: gpio-backlight: Add DT support
backlight: core: Replace kfree with put_device
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cmd_flags in struct request is now 64 bits wide but the scsi_execute
functions truncated arguments passed to int leading to errors. Make sure
the flags parameters are u64.
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Cc: Jens Axboe <axboe@fb.com>
CC: Jan Kara <jack@suse.cz>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Signed-off-by: Jens Axboe <axboe@fb.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux
Pull i2c updates from Wolfram Sang:
"Here is the pull request from the i2c subsystem. It got a little
delayed because I needed to wait for a dependency to be included
(commit b424080a9e08: "reset: Add optional resets and stubs"). Plus,
I had some email problems. All done now, the highlights are:
- drivers can now deprecate their use of i2c classes. That shouldn't
be used on embedded platforms anyhow and was often blindly
copy&pasted. This mechanism gives users time to switch away and
ultimately boot faster once the use of classes for those drivers is
gone for good.
- new drivers for QUP, Cadence, efm32
- tracepoint support for I2C and SMBus
- bigger cleanups for the mv64xxx, nomadik, and designware drivers
And the usual bugfixes, cleanups, feature additions. Most stuff has
been in linux-next for a while. Just some hot fixes and new drivers
were added a bit more recently."
* 'i2c/for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux: (63 commits)
i2c: cadence: fix Kconfig dependency
i2c: Add driver for Cadence I2C controller
i2c: cadence: Document device tree bindings
Documentation: i2c: improve section about flags mangling the protocol
i2c: qup: use proper type fro clk_freq
i2c: qup: off by ones in qup_i2c_probe()
i2c: efm32: fix binding doc
MAINTAINERS: update I2C web resources
i2c: qup: New bus driver for the Qualcomm QUP I2C controller
i2c: qup: Add device tree bindings information
i2c: i2c-xiic: deprecate class based instantiation
i2c: i2c-sirf: deprecate class based instantiation
i2c: i2c-mv64xxx: deprecate class based instantiation
i2c: i2c-designware-platdrv: deprecate class based instantiation
i2c: i2c-davinci: deprecate class based instantiation
i2c: i2c-bcm2835: deprecate class based instantiation
i2c: mv64xxx: Fix reset controller handling
i2c: omap: fix usage of IS_ERR_VALUE with pm_runtime_get_sync
i2c: efm32: new bus driver
i2c: exynos5: remove unnecessary cast of void pointer
...
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git://git.kernel.org/pub/scm/linux/kernel/git/cjb/mmc
Pull MMC updates from Chris Ball:
"MMC highlights for 3.15:
Core:
- CONFIG_MMC_UNSAFE_RESUME=y is now default behavior
- DT bindings for SDHCI UHS, eMMC HS200, high-speed DDR, at 1.8/1.2V
- Add GPIO descriptor based slot-gpio card detect API
Drivers:
- dw_mmc: Refactor SOCFPGA support as a variant inside dw_mmc-pltfm.c
- mmci: Support HW busy detection on ux500
- omap: Support MMC_ERASE
- omap_hsmmc: Support MMC_PM_KEEP_POWER, MMC_PM_WAKE_SDIO_IRQ, (a)cmd23
- rtsx: Support pre-req/post-req async
- sdhci: Add support for Realtek RTS5250 controllers
- sdhci-acpi: Add support for 80860F16, fix 80860F14/SDIO card detect
- sdhci-msm: Add new driver for Qualcomm SDHCI chipset support
- sdhci-pxav3: Add support for Marvell Armada 380 and 385 SoCs"
* tag 'mmc-updates-for-3.15-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/cjb/mmc: (102 commits)
mmc: sdhci-acpi: Intel SDIO has broken card detect
mmc: sdhci-pxav3: add support for the Armada 38x SDHCI controller
mmc: sdhci-msm: Add platform_execute_tuning implementation
mmc: sdhci-msm: Initial support for Qualcomm chipsets
mmc: sdhci-msm: Qualcomm SDHCI binding documentation
sdhci: only reprogram retuning timer when flag is set
mmc: rename ARCH_BCM to ARCH_BCM_MOBILE
mmc: sdhci: Allow for irq being shared
mmc: sdhci-acpi: Add device id 80860F16
mmc: sdhci-acpi: Fix broken card detect for ACPI HID 80860F14
mmc: slot-gpio: Add GPIO descriptor based CD GPIO API
mmc: slot-gpio: Split out CD IRQ request into a separate function
mmc: slot-gpio: Record GPIO descriptors instead of GPIO numbers
Revert "dts: socfpga: Add support for SD/MMC on the SOCFPGA platform"
mmc: sdhci-spear: use generic card detection gpio support
mmc: sdhci-spear: remove support for power gpio
mmc: sdhci-spear: simplify resource handling
mmc: sdhci-spear: fix platform_data usage
mmc: sdhci-spear: fix error handling paths for DT
mmc: sdhci-bcm-kona: fix build errors when built-in
...
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git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc
Pull more powerpc updates from Ben Herrenschmidt:
"Here are a few more powerpc things for you.
So you'll find here the conversion of the two new firmware sysfs
interfaces to the new API for self-removing files that Greg and Tejun
introduced, so they can finally remove the old one.
I'm also reverting the hwmon driver for powernv. I shouldn't have
merged it, I got a bit carried away here. I hadn't realized it was
never CCed to the relevant maintainer(s) and list(s), and happens to
have some issues so I'm taking it out and it will come back via the
proper channels.
The rest is a bunch of LE fixes (argh, some of the new stuff was
broken on LE, I really need to start testing LE myself !) and various
random fixes here and there.
Finally one bit that's not strictly a fix, which is the HVC OPAL
change to "kick" the HVC thread when the firmware tells us there is
new incoming data. I don't feel like waiting for this one, it's
simple enough, and it makes a big difference in console responsiveness
which is good for my nerves"
* 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc: (26 commits)
powerpc/powernv Adapt opal-elog and opal-dump to new sysfs_remove_file_self
Revert "powerpc/powernv: hwmon driver for power values, fan rpm and temperature"
power, sched: stop updating inside arch_update_cpu_topology() when nothing to be update
powerpc/le: Avoid creatng R_PPC64_TOCSAVE relocations for modules.
arch/powerpc: Use RCU_INIT_POINTER(x, NULL) in platforms/cell/spu_syscalls.c
powerpc/opal: Add missing include
powerpc: Convert last uses of __FUNCTION__ to __func__
powerpc: Add lq/stq emulation
powerpc/powernv: Add invalid OPAL call
powerpc/powernv: Add OPAL message log interface
powerpc/book3s: Fix mc_recoverable_range buffer overrun issue.
powerpc: Remove dead code in sycall entry
powerpc: Use of_node_init() for the fakenode in msi_bitmap.c
powerpc/mm: NUMA pte should be handled via slow path in get_user_pages_fast()
powerpc/powernv: Fix endian issues with sensor code
powerpc/powernv: Fix endian issues with OPAL async code
tty/hvc_opal: Kick the HVC thread on OPAL console events
powerpc/powernv: Add opal_notifier_unregister() and export to modules
powerpc/ppc64: Do not turn AIL (reloc-on interrupts) too early
powerpc/ppc64: Gracefully handle early interrupts
...
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For sequential workload (or request size big workload), get_active_stripe can
find cached stripe. In this case, we always hold device_lock, which exposes a
lot of lock contention for such workload. If stripe count isn't 0, we don't
need hold the lock actually, since we just increase its count. And this is the
hot code path for such workload. Unfortunately we must delete the BUG_ON.
Signed-off-by: Shaohua Li <shli@fusionio.com>
Signed-off-by: NeilBrown <neilb@suse.de>
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In NUMA machine, prepare_to_wait/finish_wait in make_request exposes a
lot of contention for sequential workload (or big request size
workload). For such workload, each bio includes several stripes. So we
can just do prepare_to_wait/finish_wait once for the whold bio instead
of every stripe. This reduces the lock contention completely for such
workload. Random workload might have the similar lock contention too,
but I didn't see it yet, maybe because my stroage is still not fast
enough.
Signed-off-by: Shaohua Li <shli@fusionio.com>
Signed-off-by: NeilBrown <neilb@suse.de>
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If md-mod is unloaded while some process is in poll() or select(),
then that process maintains a pointer to md_event_waiters, and when
the try to unlink from that list, they will oops.
The procfs infrastructure ensures that ->poll won't be called after
remove_proc_entry, but doesn't provide a wait_queue_head for us to
use, and the waitqueue code doesn't provide a way to remove all
listeners from a waitqueue.
So we need to:
1/ make sure no further references to md_event_waiters are taken (by
setting md_unloading)
2/ wake up all processes currently waiting, and
3/ wait until all those processes have disconnected from our
wait_queue_head.
Reported-by: "majianpeng" <majianpeng@gmail.com>
Signed-off-by: NeilBrown <neilb@suse.de>
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fails.
When performing a user-request check/repair (MD_RECOVERY_REQUEST is set)
on a raid1, we allocate multiple bios each with their own set of pages.
If the page allocations for one bio fails, we currently do *not* free
the pages allocated for the previous bios, nor do we free the bio itself.
This patch frees all the already-allocate pages, and makes sure that
all the bios are freed as well.
This bug can cause a memory leak which can ultimately OOM a machine.
It was introduced in 3.10-rc1.
Fixes: a07876064a0b73ab5ef1ebcf14b1cf0231c07858
Cc: Kent Overstreet <koverstreet@google.com>
Cc: stable@vger.kernel.org (3.10+)
Reported-by: Russell King - ARM Linux <linux@arm.linux.org.uk>
Signed-off-by: NeilBrown <neilb@suse.de>
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This reverts commit 0de7f8a917b5202014430e0055c0e1db0348bd62.
This driver wasn't merged via the proper maintainers (my fault ... ooops !)
and has serious issues so let's take it out for now and have a new better
one be merged the right way
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
---
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md bitmap code currently tries to use i_writecount to stop any other
process from writing to out bitmap file. But that is really an abuse
and has bit-rotted so locking is all wrong.
So discard that - root should be allowed to shoot self in foot.
Still use it in a much less intrusive way to stop the same file being
used as bitmap on two different array, and apply other checks to
ensure the file is at least vaguely usable for bitmap storage
(is regular, is open for write. Support for ->bmap is already checked
elsewhere).
Reported-by: Al Viro <viro@ZenIV.linux.org.uk>
Signed-off-by: NeilBrown <neilb@suse.de>
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Metric tons of high speed spew is not helpful when things go pear shaped.
systemd lost its mind, forgot how to stop services it insists on being
sole manager of, massive printk() flood ensued, box eventually died.
[16206.684000] loop: Write error at byte offset 11412291584, length 4096.
[16206.684000] systemd-journald[1758]: /dev/kmsg buffer overrun, some messages lost.
[16206.684000] loop: Write error at byte offset 13155434496, length 4096.
[16206.684000] loop: Write error at byte offset 13155438592, length 4096.
[16206.684000] loop: Write error at byte offset 13155442688, length 4096.
[16206.684000] loop: Write error at byte offset 13960736768, length 4096.
[16206.684000] loop: Write error at byte offset 14229172224, length 4096.
[16206.684000] systemd-journald[1758]: /dev/kmsg buffer overrun, some messages lost.
[16206.684000] loop: Write error at byte offset 14766043136, length 4096.
[16206.684000] loop: Write error at byte offset 15034478592, length 4096.
[16206.684000] systemd-journald[1758]: /dev/kmsg buffer overrun, some messages lost.
Signed-off-by: Mike Galbraith <bitbucket@online.de>
Cc: Jens Axboe <axboe@kernel.dk>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Jens Axboe <axboe@fb.com>
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Pull more networking updates from David Miller:
1) If a VXLAN interface is created with no groups, we can crash on
reception of packets. Fix from Mike Rapoport.
2) Missing includes in CPTS driver, from Alexei Starovoitov.
3) Fix string validations in isdnloop driver, from YOSHIFUJI Hideaki
and Dan Carpenter.
4) Missing irq.h include in bnxw2x, enic, and qlcnic drivers. From
Josh Boyer.
5) AF_PACKET transmit doesn't statistically count TX drops, from Daniel
Borkmann.
6) Byte-Queue-Limit enabled drivers aren't handled properly in
AF_PACKET transmit path, also from Daniel Borkmann.
Same problem exists in pktgen, and Daniel fixed it there too.
7) Fix resource leaks in driver probe error paths of new sxgbe driver,
from Francois Romieu.
8) Truesize of SKBs can gradually get more and more corrupted in NAPI
packet recycling path, fix from Eric Dumazet.
9) Fix uniprocessor netfilter build, from Florian Westphal. In the
longer term we should perhaps try to find a way for ARRAY_SIZE() to
work even with zero sized array elements.
10) Fix crash in netfilter conntrack extensions due to mis-estimation of
required extension space. From Andrey Vagin.
11) Since we commit table rule updates before trying to copy the
counters back to userspace (it's the last action we perform), we
really can't signal the user copy with an error as we are beyond the
point from which we can unwind everything. This causes all kinds of
use after free crashes and other mysterious behavior.
From Thomas Graf.
12) Restore previous behvaior of div/mod by zero in BPF filter
processing. From Daniel Borkmann.
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (38 commits)
net: sctp: wake up all assocs if sndbuf policy is per socket
isdnloop: several buffer overflows
netdev: remove potentially harmful checks
pktgen: fix xmit test for BQL enabled devices
net/at91_ether: avoid NULL pointer dereference
tipc: Let tipc_release() return 0
at86rf230: fix MAX_CSMA_RETRIES parameter
mac802154: fix duplicate #include headers
sxgbe: fix duplicate #include headers
net: filter: be more defensive on div/mod by X==0
netfilter: Can't fail and free after table replacement
xen-netback: Trivial format string fix
net: bcmgenet: Remove unnecessary version.h inclusion
net: smc911x: Remove unused local variable
bonding: Inactive slaves should keep inactive flag's value
netfilter: nf_tables: fix wrong format in request_module()
netfilter: nf_tables: set names cannot be larger than 15 bytes
netfilter: nf_conntrack: reserve two bytes for nf_ct_ext->len
netfilter: Add {ipt,ip6t}_osf aliases for xt_osf
netfilter: x_tables: allow to use cgroup match for LOCAL_IN nf hooks
...
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging
Pull more staging patches from Greg KH:
"Here are some more staging patches for 3.15-rc1.
They include a late-submission of a wireless driver that a bunch of
people seem to have the hardware for now. As it's stand-alone, it
should be fine (now passes the 0-day random build bot tests).
There are also some fixes for the unisys drivers, as they were causing
havoc on a number of different machines. To resolve all of those
issues, we just mark the driver as BROKEN now, and we can fix it up
"properly" over time"
* tag 'staging-3.15-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging:
staging: rtl8723au: The 8723 only has two paths
Staging: unisys: mark drivers as BROKEN
Staging: unisys: verify that a control channel exists
staging: unisys: Add missing close parentheses in filexfer.c
staging: r8723au: Fix build problem when RFKILL is not selected
staging: r8723au: Fix randconfig build errors
staging: r8723au: Turn on build of new driver
staging: r8723au: Additional source patches
staging: r8723au: Add source files for new driver - part 4
staging: r8723au: Add source files for new driver - part 3
staging: r8723au: Add source files for new driver - part 2
staging: r8723au: Add source files for new driver - part 1
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* acpi-config:
ACPI: Update the ACPI spec information in Kconfig
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The UEFI Forum included the ACPI spec in its portfolio in October 2013
and will host future spec iterations, following the ACPI v5.0a release.
A UEFI Forum working group named ACPI Specification Working Group (ASWG)
has been established to handle future ACPI developments, any UEFI member
can join the group and contribute to ACPI specification.
So update the ownership and developers for ACPI in Kconfig accordingly,
and add another website link to ACPI specification too.
Signed-off-by: Hanjun Guo <hanjun.guo@linaro.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux
Pull second set of s390 patches from Martin Schwidefsky:
"The second part of Heikos uaccess rework, the page table walker for
uaccess is now a thing of the past (yay!)
The code change to fix the theoretical TLB flush problem allows us to
add a TLB flush optimization for zEC12, this machine has new
instructions that allow to do CPU local TLB flushes for single pages
and for all pages of a specific address space.
Plus the usual bug fixing and some more cleanup"
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux:
s390/uaccess: rework uaccess code - fix locking issues
s390/mm,tlb: optimize TLB flushing for zEC12
s390/mm,tlb: safeguard against speculative TLB creation
s390/irq: Use defines for external interruption codes
s390/irq: Add defines for external interruption codes
s390/sclp: add timeout for queued requests
kvm/s390: also set guest pages back to stable on kexec/kdump
lcs: Add missing destroy_timer_on_stack()
s390/tape: Add missing destroy_timer_on_stack()
s390/tape: Use del_timer_sync()
s390/3270: fix crash with multiple reset device requests
s390/bitops,atomic: add missing memory barriers
s390/zcrypt: add length check for aligned data to avoid overflow in msg-type 6
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Pull drm updates from Dave Airlie:
"Highlights:
- drm:
Generic display port aux features, primary plane support, drm
master management fixes, logging cleanups, enforced locking checks
(instead of docs), documentation improvements, minor number
handling cleanup, pseudofs for shared inodes.
- ttm:
add ability to allocate from both ends
- i915:
broadwell features, power domain and runtime pm, per-process
address space infrastructure (not enabled)
- msm:
power management, hdmi audio support
- nouveau:
ongoing GPU fault recovery, initial maxwell support, random fixes
- exynos:
refactored driver to clean up a lot of abstraction, DP support
moved into drm, LVDS bridge support added, parallel panel support
- gma500:
SGX MMU support, SGX irq handling, asle irq work fixes
- radeon:
video engine bringup, ring handling fixes, use dp aux helpers
- vmwgfx:
add rendernode support"
* 'drm-next' of git://people.freedesktop.org/~airlied/linux: (849 commits)
DRM: armada: fix corruption while loading cursors
drm/dp_helper: don't return EPROTO for defers (v2)
drm/bridge: export ptn3460_init function
drm/exynos: remove MODULE_DEVICE_TABLE definitions
ARM: dts: exynos4412-trats2: enable exynos/fimd node
ARM: dts: exynos4210-trats: enable exynos/fimd node
ARM: dts: exynos4412-trats2: add panel node
ARM: dts: exynos4210-trats: add panel node
ARM: dts: exynos4: add MIPI DSI Master node
drm/panel: add S6E8AA0 driver
ARM: dts: exynos4210-universal_c210: add proper panel node
drm/panel: add ld9040 driver
panel/ld9040: add DT bindings
panel/s6e8aa0: add DT bindings
drm/exynos: add DSIM driver
exynos/dsim: add DT bindings
drm/exynos: disallow fbdev initialization if no device is connected
drm/mipi_dsi: create dsi devices only for nodes with reg property
drm/mipi_dsi: add flags to DSI messages
Skip intel_crt_init for Dell XPS 8700
...
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