Pull RCU cleanup from Paul E. McKenney:
"Privatize smp_mb__after_unlock_lock(). This commit moves the
definition of smp_mb__after_unlock_lock() to kernel/rcu/tree.h,
in recognition of the fact that RCU is the only thing using
this, that nothing else is likely to use it, and that it is
likely to go away completely."
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Pull RCU changes from Paul E. McKenney:
- The combination of tree geometry-initialization simplifications
and OS-jitter-reduction changes to expedited grace periods.
These two are stacked due to the large number of conflicts
that would otherwise result.
[ With one addition, a temporary commit to silence a lockdep false
positive. Additional changes to the expedited grace-period
primitives (queued for 4.4) remove the cause of this false
positive, and therefore include a revert of this temporary commit. ]
- Documentation updates.
- Torture-test updates.
- Miscellaneous fixes.
Signed-off-by: Ingo Molnar <mingo@kernel.org>
by make localmodconfig even though their configs were set and the module
was loaded and visible by lsmod. The reason for this was because
streamline-config.pl only looks at Makefiles, and not Kbuild files. As
these modules use Kbuild for their names, they too need to be checked
by localmodconfig. This was fixed by Richard Weinberger.
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Merge tag 'localmodconfig-v4.2-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-kconfig
Pull localmodconfig fix from Steven Rostedt:
"Leonidas Spyropoulos found that modules like nouveau were being
unselected by make localmodconfig even though their configs were set
and the module was loaded and visible by lsmod.
The reason for this was because streamline-config.pl only looks at
Makefiles, and not Kbuild files. As these modules use Kbuild for
their names, they too need to be checked by localmodconfig. This was
fixed by Richard Weinberger"
* tag 'localmodconfig-v4.2-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-kconfig:
localmodconfig: Use Kbuild files too
In kbuild it is allowed to define objects in files named "Makefile"
and "Kbuild".
Currently localmodconfig reads objects only from "Makefile"s and misses
modules like nouveau.
Link: http://lkml.kernel.org/r/1437948415-16290-1-git-send-email-richard@nod.at
Cc: stable@vger.kernel.org
Reported-and-tested-by: Leonidas Spyropoulos <artafinde@gmail.com>
Signed-off-by: Richard Weinberger <richard@nod.at>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
* Fix display regression on Versatile boards
* Fix OF node refcount bugs on omapdss
* fix WARN about clock prepare on pxa3xx_gcu
* Fix mem leak in videomode helpers
* Fix fbconsole related boot problem on sun7i-a20-olinuxino-micro
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Merge tag 'fbdev-fixes-4.2' of git://git.kernel.org/pub/scm/linux/kernel/git/tomba/linux
Pull fbdev fixes from Tomi Valkeinen:
- fix display regression on Versatile boards
- fix OF node refcount bugs on omapdss
- fix WARN about clock prepare on pxa3xx_gcu
- fix mem leak in videomode helpers
- fix fbconsole related boot problem on sun7i-a20-olinuxino-micro
* tag 'fbdev-fixes-4.2' of git://git.kernel.org/pub/scm/linux/kernel/git/tomba/linux:
fbcon: unconditionally initialize cursor blink interval
video: Fix possible leak in of_get_videomode()
video: fbdev: pxa3xx_gcu: prepare the clocks
OMAPDSS: Fix omap_dss_find_output_by_port_node() port refcount decrement
OMAPDSS: Fix node refcount leak in omapdss_of_get_next_port()
fbdev: select versatile helpers for the integrator
Pull HID fixes from Jiri Kosina:
- fix for bounds limit calculation in uclogic driver, by Dan Carpenter
- fix for use-after-free during device removal, by Krzysztof Kozlowski
- fix for userspace regression (that became apparent only with shiny
new libinput, so it's not that bad, but I still consider it 4.2
material), in wacom driver, by Jason Gerecke
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid:
HID: wacom: Report correct device resolution when using the wireless adapater
HID: hid-input: Fix accessing freed memory during device disconnect
HID: uclogic: fix limit in uclogic_tablet_enable()
The 'wacom_wireless_work' function does not recalculate the tablet's
resolution, causing the value contained in the 'features' struct to
always be reported to userspace. This value is valid only for the pen
interface, meaning that the value will be incorrect for the touchpad (if
present). This in particular causes problems for libinput which relies
on the reported resolution being correct.
This patch adds the necessary calls to recalculate the resolution for
each interface. This requires a little bit of code shuffling since both
the 'wacom_set_default_phy' and 'wacom_calculate_res' are declared below
their new first point of use in 'wacom_wireless_work'.
Signed-off-by: Jason Gerecke <jason.gerecke@wacom.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
- Fix runtime PM issues on Arizona
- Fix IRQ/Suspend race on Arizona
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Merge tag 'mfd-fixes-4.2' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd
Pull MFD fixes from Lee Jones:
- fix dependency issues on ChromeOS platforms
- fix runtime PM issues on Arizona
- fix IRQ/suspend race on Arizona
* tag 'mfd-fixes-4.2' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd:
mfd: Remove MFD_CROS_EC_SPI depends on OF
platform/chrome: Don't make CHROME_PLATFORMS depends on X86 || ARM
mfd: arizona: Fix initialisation of the PM runtime
mfd: arizona: Fix race between runtime suspend and IRQs
negotiation issues, and string formatting.
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Merge tag 'ntb-4.2-rc7' of git://github.com/jonmason/ntb
Pull NTB bugfixes from Jon Mason:
"NTB bug fixes to address transport receive issues, stats, link
negotiation issues, and string formatting"
* tag 'ntb-4.2-rc7' of git://github.com/jonmason/ntb:
ntb: avoid format string in dev_set_name
NTB: Fix dereference before check
NTB: Fix zero size or integer overflow in ntb_set_mw
NTB: Schedule to receive on QP link up
NTB: Fix oops in debugfs when transport is half-up
NTB: ntb_netdev not covering all receive errors
NTB: Fix transport stats for multiple devices
NTB: Fix ntb_transport out-of-order RX update
Pull RCU pathwalk fix from Al Viro:
"Another racy use of nd->path.dentry in RCU mode"
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
may_follow_link() should use nd->inode
A sun7i-a20-olinuxino-micro fails to boot when kernel parameter
vt.global_cursor_default=0. The value is copied to vc->vc_deccm
causing the initialization of ops->cur_blink_jiffies to be skipped.
Unconditionally initialize it.
Reported-and-tested-by: Jonathan Liu <net147@gmail.com>
Signed-off-by: Scot Doyle <lkml14@scotdoyle.com>
Acked-by: Pavel Machek <pavel@ucw.cz>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
In case videomode_from_timings() fails in function of_get_videomode(), the
allocated display timing data is not freed in the exit path. Make sure that
display_timings_release() is called in any case. Detected by Coverity CID
1309681.
Signed-off-by: Christian Engelmayer <cengelma@gmx.at>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
The clocks need to be prepared before being enabled. Without it a
warning appears in the drivers probe path :
WARNING: CPU: 0 PID: 1 at drivers/clk/clk.c:707 clk_core_enable+0x84/0xa0()
Modules linked in:
CPU: 0 PID: 1 Comm: swapper Not tainted 4.2.0-rc3-cm-x300+ #804
Hardware name: CM-X300 module
[<c000ed50>] (unwind_backtrace) from [<c000ce08>] (show_stack+0x10/0x14)
[<c000ce08>] (show_stack) from [<c0017eb4>] (warn_slowpath_common+0x7c/0xb4)
[<c0017eb4>] (warn_slowpath_common) from [<c0017f88>] (warn_slowpath_null+0x1c/0x24)
[<c0017f88>] (warn_slowpath_null) from [<c02d30dc>] (clk_core_enable+0x84/0xa0)
[<c02d30dc>] (clk_core_enable) from [<c02d3118>] (clk_enable+0x20/0x34)
[<c02d3118>] (clk_enable) from [<c0200dfc>] (pxa3xx_gcu_probe+0x148/0x338)
[<c0200dfc>] (pxa3xx_gcu_probe) from
[<c022eccc>] (platform_drv_probe+0x30/0x94)
Signed-off-by: Robert Jarzmik <robert.jarzmik@free.fr>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Fix omap_dss_find_output_by_port_node() port parameter refcount
decrementation. The only user of dss_of_port_get_parent_device()
function is omap_dss_find_output_by_port_node() and it assumes the
refcount of the port parameter is not decremented by the call.
Signed-off-by: Jyri Sarha <jsarha@ti.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Commit 11c32d7b62
"video: move Versatile CLCD helpers" missed the fact
that the Integrator/CP is also using the helper, and
as a result the platform got only stubs and no graphics.
Add this as a default selection to Kconfig so we have
graphics again.
Fixes: 11c32d7b62 (video: move Versatile CLCD helpers)
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Avoid any chance of format string expansion when calling dev_set_name.
Signed-off-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Jon Mason <jdmason@kudzu.us>
Remove early dereference of a pointer that is checked later in the code.
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Allen Hubbe <Allen.Hubbe@emc.com>
Signed-off-by: Jon Mason <jdmason@kudzu.us>
A plain 32 bit integer will overflow for values over 4GiB.
Change the plain integer size to the appropriate size type in
ntb_set_mw. Change the type of the size parameter and two local
variables used for size.
Even if there is no overflow, a size of zero is invalid here.
Reported-by: Juyoung Jung <jjung@micron.com>
Signed-off-by: Allen Hubbe <Allen.Hubbe@emc.com>
Signed-off-by: Jon Mason <jdmason@kudzu.us>
Schedule to receive on QP link up, to make sure that the doorbell is
properly cleared for interrupts.
Signed-off-by: Allen Hubbe <Allen.Hubbe@emc.com>
Signed-off-by: Jon Mason <jdmason@kudzu.us>
When the remote side is not up, we do not have all the context for the
transport, and that causes NULL ptr access. Have the debugfs reads check
to see if transport is up before we make access.
Signed-off-by: Dave Jiang <dave.jiang@intel.com>
Signed-off-by: Jon Mason <jdmason@kudzu.us>
ntb_netdev is allowing the link to come up even when -ENOMEM is returned
from ntb_transport_rx_enqueue. Fix to cover all possible errors.
Signed-off-by: Dave Jiang <dave.jiang@intel.com>
Signed-off-by: Jon Mason <jdmason@kudzu.us>
Currently the debugfs does not have files for all NTB transport queue
pairs. When there are multiple NTBs present in a system, the QP names
of the last transport clobber the names of previously added transport
QPs. Only the last added QPs can be observed via debugfs.
Create a directory per NTB transport to associate the QPs with that
transport. Name the directory the same as the PCI device.
Signed-off-by: Dave Jiang <dave.jiang@intel.com>
Signed-off-by: Jon Mason <jdmason@kudzu.us>
It was possible for a synchronous update of the RX index in the error
case to get ahead of the asynchronous RX index update in the normal
case. Change the RX processing to preserve an RX completion order.
There were two error cases. First, if a buffer is not present to
receive data, there would be no queue entry to preserve the RX
completion order. Instead of dropping the RX frame, leave the RX frame
in the ring. Schedule RX processing when RX entries are enqueued, in
case there are RX frames waiting in the ring to be received.
Second, if a buffer is too small to receive data, drop the frame in the
ring, mark the RX entry as done, and indicate the error in the RX entry
length. Check for a negative length in the receive callback in
ntb_netdev, and count occurrences as rx_length_errors.
Signed-off-by: Allen Hubbe <Allen.Hubbe@emc.com>
Signed-off-by: Jon Mason <jdmason@kudzu.us>
Pull input subsystem fixes from Dmitry Torokhov:
"Just small ALPS and Elan touchpads, and other driver fixups"
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input:
Input: elantech - add special check for fw_version 0x470f01 touchpad
Input: twl4030-vibra - fix ERROR: Bad of_node_put() warning
Input: alps - only Dell laptops have separate button bits for v2 dualpoint sticks
Input: axp20x-pek - add module alias
Input: turbografx - fix potential out of bound access
Pull MIPS fixes from Ralf Baechle:
"Another round of MIPS fixes for 4.2. No area does particularly stand
out but we have a two unpleasant ones:
- Kernel ptes are marked with a global bit which allows the kernel to
share kernel TLB entries between all processes. For this to work
both entries of an adjacent even/odd pte pair need to have the
global bit set. There has been a subtle race in setting the other
entry's global bit since ~ 2000 but it take particularly
pathological workloads that essentially do mostly vmalloc/vfree to
trigger this.
This pull request fixes the 64-bit case but leaves the case of 32
bit CPUs with 64 bit ptes unsolved for now. The unfixed cases
affect hardware that is not available in the field yet.
- Instruction emulation requires loading instructions from user space
but the current fast but simplistic approach will fail on pages
that are PROT_EXEC but !PROT_READ. For this reason we temporarily
do not permit this permission and will map pages with PROT_EXEC |
PROT_READ.
The remainder of this pull request is more or less across the field
and the short log explains them well"
* 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus:
MIPS: Make set_pte() SMP safe.
MIPS: Replace add and sub instructions in relocate_kernel.S with addiu
MIPS: Flush RPS on kernel entry with EVA
Revert "MIPS: BCM63xx: Provide a plat_post_dma_flush hook"
MIPS: BMIPS: Delete unused Kconfig symbol
MIPS: Export get_c0_perfcount_int()
MIPS: show_stack: Fix stack trace with EVA
MIPS: do_mcheck: Fix kernel code dump with EVA
MIPS: SMP: Don't increment irq_count multiple times for call function IPIs
MIPS: Partially disable RIXI support.
MIPS: Handle page faults of executable but unreadable pages correctly.
MIPS: Malta: Don't reinitialise RTC
MIPS: unaligned: Fix build error on big endian R6 kernels
MIPS: Fix sched_getaffinity with MT FPAFF enabled
MIPS: Fix build with CONFIG_OF=y for non OF-enabled targets
CPUFREQ: Loongson2: Fix broken build due to incorrect include.
Pull btrfs fix from Chris Mason:
"We have a btrfs quota regression fix.
I merged this one on Thursday and have run it through tests against
current master.
Normally I wouldn't have sent this while you were finalizing rc6, but
I'm feeding mosquitoes in the adirondacks next week, so I wanted to
get this one out before leaving. I'll leave longer tests running and
check on things during the week, but I don't expect any problems"
* 'for-linus-4.2' of git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfs:
btrfs: qgroup: Fix a regression in qgroup reserved space.
Pull thermal management fixes from Zhang Rui:
"Specifics:
- fix an error that "weight_attr" sysfs attribute is not removed
while unbinding. From: Viresh Kumar.
- fix power allocator governor tracing to return the real request.
From Javi Merino.
- remove redundant owner assignment of hisi platform thermal driver.
From Krzysztof Kozlowski.
- a couple of small fixes of Exynos thermal driver. From Krzysztof
Kozlowski and Chanwoo Choi"
* 'for-rc' of git://git.kernel.org/pub/scm/linux/kernel/git/rzhang/linux:
thermal: Drop owner assignment from platform_driver
thermal: exynos: Remove unused code related to platform_data on probe()
thermal: exynos: Add the dependency of CONFIG_THERMAL_OF instead of CONFIG_OF
thermal: exynos: Disable the regulator on probe failure
thermal: power_allocator: trace the real requested power
thermal: remove dangling 'weight_attr' device file
Adding software workaround for LLOCK/SCOND livelock
Fallout of a recent pt_regs update
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Merge tag 'arc-v4.2-rc6-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/vgupta/arc
Pull ARC fixes from Vineet Gupta:
"Here's a late pull request for accumulated ARC fixes which came out of
extended testing of the new ARCv2 port with LTP etc. llock/scond
livelock workaround has been reviewed by PeterZ. The changes look a
lot but I've crafted them into finer grained patches for better
tracking later.
I have some more fixes (ARC Futex backend) ready to go but those will
have to wait for tglx to return from vacation.
Summary:
- Enable a reduced config of HS38 (w/o div-rem, ll64...)
- Add software workaround for LLOCK/SCOND livelock
- Fallout of a recent pt_regs update"
* tag 'arc-v4.2-rc6-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/vgupta/arc:
ARCv2: spinlock/rwlock/atomics: reduce 1 instruction in exponential backoff
ARC: Make pt_regs regs unsigned
ARCv2: spinlock/rwlock: Reset retry delay when starting a new spin-wait cycle
ARCv2: spinlock/rwlock/atomics: Delayed retry of failed SCOND with exponential backoff
ARC: LLOCK/SCOND based rwlock
ARC: LLOCK/SCOND based spin_lock
ARC: refactor atomic inline asm operands with symbolic names
Revert "ARCv2: STAR 9000837815 workaround hardware exclusive transactions livelock"
ARCv2: [axs103_smp] Reduce clk for Quad FPGA configs
ARCv2: Fix the peripheral address space detection
ARCv2: allow selection of page size for MMUv4
ARCv2: lib: memset: Don't assume 64-bit load/stores
ARCv2: lib: memcpy: Missing PREFETCHW
ARCv2: add knob for DIV_REV in Kconfig
ARC/time: Migrate to new 'set-state' interface
A last minute fix for the new virtio input driver. It seems pretty obvious, and
the problem it's fixing would be quite hard to debug.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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Merge tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost
Pull virtio fix from Michael Tsirkin:
"A last minute fix for the new virtio input driver. It seems pretty
obvious, and the problem it's fixing would be quite hard to debug"
* tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost:
virtio-input: reset device and detach unused during remove
- Fix for a 4.2 DM thinp discard regression due to inability to properly
delete a range of blocks in a data mapping btree.
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Merge tag 'dm-4.2-fixes-4' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm
Pull device mapper fixes from Mike Snitzer:
- stable fix for a dm_merge_bvec() regression on 32 bit Fedora systems.
- fix for a 4.2 DM thinp discard regression due to inability to
properly delete a range of blocks in a data mapping btree.
* tag 'dm-4.2-fixes-4' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm:
dm btree remove: fix bug in remove_one()
dm: fix dm_merge_bvec regression on 32 bit systems
API. It's a new API that was introduced in 4.2, and we'd like to
avoid ABI change after the release, so it's taken now. As there is no
real in-tree user for this API, it should be fairly safe.
Other than that, the usual small fixes are found in various drivers:
ASoC cs4265, rt5645, intel-sst, firewire, oxygen and HD-audio.
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Merge tag 'sound-4.2-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
Pull sound fixes from Takashi Iwai:
"The only bulk changes in this request is ABI updates for ASoC topology
API. It's a new API that was introduced in 4.2, and we'd like to
avoid ABI change after the release, so it's taken now. As there is no
real in-tree user for this API, it should be fairly safe.
Other than that, the usual small fixes are found in various drivers:
ASoC cs4265, rt5645, intel-sst, firewire, oxygen and HD-audio"
* tag 'sound-4.2-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound:
ASoC: topology: Add private data type and bump ABI version to 3
ASoC: topology: Add ops support to byte controls UAPI
ASoC: topology: Update TLV support so we can support more TLV types
ASoC: topology: add private data to manifest
ASoC: topology: Add subsequence in topology
ALSA: hda - one Dell machine needs the headphone white noise fixup
ALSA: fireworks/firewire-lib: add support for recent firmware quirk
Revert "ALSA: fireworks: add support for AudioFire2 quirk"
ASoC: topology: fix typo in soc_tplg_kcontrol_bind_io()
ALSA: HDA: Dont check return for snd_hdac_chip_readl
ALSA: HDA: Fix stream assignment for host in decoupled mode
ASoC: rt5645: Fix lost pin setting for DMIC1
ALSA: oxygen: Fix logical-not-parentheses warning
ASoC: Intel: sst_byt: fix initialize 'NULL device *' issue
ASoC: Intel: haswell: fix initialize 'NULL device *' issue
ASoC: cs4265: Fix setting dai format for Left/Right Justified
Blacklist Dell Studio XPS 8100 in dell-smm to fix fan control problems.
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Merge tag 'hwmon-for-linus-v4.2-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging
Pull hwmon fixes from Guenter Roeck:
- Export module alias information in g762 and nct7904 to support
auto-loading.
- Blacklist Dell Studio XPS 8100 in dell-smm to fix fan control
problems.
* tag 'hwmon-for-linus-v4.2-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging:
hwmon: (g762) Export OF module alias information
hwmon: (nct7904) Export I2C module alias information
hwmon: (dell-smm) Blacklist Dell Studio XPS 8100
Here are some USB and PHY fixes for 4.2-rc6 that resolve some reported
issues.
All of these have been in the linux-next tree for a while, full details
on the patches are in the shortlog below.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'usb-4.2-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
Pull USB fixes from Greg KH:
"Here are some USB and PHY fixes for 4.2-rc6 that resolve some reported
issues.
All of these have been in the linux-next tree for a while, full
details on the patches are in the shortlog below"
* tag 'usb-4.2-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb:
ARM: dts: dra7: Add syscon-pllreset syscon to SATA PHY
drivers/usb: Delete XHCI command timer if necessary
xhci: fix off by one error in TRB DMA address boundary check
usb: udc: core: add device_del() call to error pathway
phy: ti-pipe3: i783 workaround for SATA lockup after dpll unlock/relock
phy-sun4i-usb: Add missing EXPORT_SYMBOL_GPL for sun4i_usb_phy_set_squelch_detect
USB: sierra: add 1199:68AB device ID
usb: gadget: f_printer: actually limit the number of instances
usb: gadget: f_hid: actually limit the number of instances
usb: gadget: f_uac2: fix calculation of uac2->p_interval
usb: gadget: bdc: fix a driver crash on disconnect
usb: chipidea: ehci_init_driver is intended to call one time
USB: qcserial: Add support for Dell Wireless 5809e 4G Modem
USB: qcserial/option: make AT URCs work for Sierra Wireless MC7305/MC7355
Here are 3 bugfixes for some staging driver issues that have been
reported. All have been in the linux-next tree for a while.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'staging-4.2-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging
Pull staging driver fixes from Greg KH:
"Here are three bugfixes for some staging driver issues that have been
reported. All have been in the linux-next tree for a while"
* tag 'staging-4.2-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging:
staging: lustre: Include unaligned.h instead of access_ok.h
staging: vt6655: vnt_bss_info_changed check conf->beacon_rate is not NULL
staging: comedi: das1800: add missing break in switch
Here are some extcon fixes for 4.2-rc6 that resolve some reported
problems.
All have been in linux-next for a while.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'char-misc-4.2-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
Pull char/misc fixes from Greg KH:
"Here are some extcon fixes for 4.2-rc6 that resolve some reported
problems.
All have been in linux-next for a while"
* tag 'char-misc-4.2-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc:
extcon: Fix extcon_cable_get_state() from getting old state after notification
extcon: Fix hang and extcon_get/set_cable_state().
extcon: palmas: Fix NULL pointer error
Pull drm fixes from Daniel Vetter:
"One i915 regression fix and a drm core one since Dave's not around,
both introduced in 4.2 so not cc: stable.
The fix for the warning Ted reported isn't in here yet since he didn't
yet supply a tested-by and I can't repro this one myself (it's in
fixup code that needs firmware doing something i915 wouldn't do)"
* tag 'drm-intel-fixes-2015-08-07' of git://anongit.freedesktop.org/drm-intel:
drm/vblank: Use u32 consistently for vblank counters
drm/i915: Allow parsing of variable size child device entries from VBT
It is no need to check the packet[0] for sanity check when doing
elantech_packet_check_v4() function for fw_version = 0x470f01 touchpad.
Signed-off by: Duson Lin <dusonlin@emc.com.tw>
Reviewed-by: Ulrik De Bie <ulrik.debie-os@e2big.org>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
remove_one() was not incrementing the key for the beginning of the
range, so not all entries were being removed. This resulted in
discards that were not unmapping all blocks.
Fixes: 4ec331c3ea ("dm btree: add dm_btree_remove_leaves()")
Signed-off-by: Joe Thornber <ejt@redhat.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
In
commit 99264a61df
Author: Daniel Vetter <daniel.vetter@ffwll.ch>
Date: Wed Apr 15 19:34:43 2015 +0200
drm/vblank: Fixup and document timestamp update/read barriers
I've switched vblank->count from atomic_t to unsigned long and
accidentally created an integer comparison bug in
drm_vblank_count_and_time since vblanke->count might overflow the u32
local copy and hence the retry loop never succeed.
Fix this by consistently using u32.
Cc: Michel Dänzer <michel@daenzer.net>
Reported-by: Michel Dänzer <michel@daenzer.net>
Reviewed-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
There are a couple of small driver specific fixes here but the
overwhelming bulk of these changes are fixes to the topology ABI that
has been newly introduced in v4.2. Once this makes it into a release we
will have to firm this up but for now getting enhancements in before
they've made it into a release is the most expedient thing.
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Merge tag 'asoc-fix-v4.2-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into for-linus
ASoC: Fixes for v4.2
There are a couple of small driver specific fixes here but the
overwhelming bulk of these changes are fixes to the topology ABI that
has been newly introduced in v4.2. Once this makes it into a release we
will have to firm this up but for now getting enhancements in before
they've made it into a release is the most expedient thing.
The increment of delay counter was 2 instructions:
Arithmatic Shfit Left (ASL) + set to 1 on overflow
This can be done in 1 using ROtate Left (ROL)
Suggested-by: Nigel Topham <ntopham@synopsys.com>
Cc: Peter Zijlstra (Intel) <peterz@infradead.org>
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
Merge fixes from Andrew Morton:
"21 fixes"
* emailed patches from Andrew Morton <akpm@linux-foundation.org>: (21 commits)
writeback: fix initial dirty limit
mm/memory-failure: set PageHWPoison before migrate_pages()
mm: check __PG_HWPOISON separately from PAGE_FLAGS_CHECK_AT_*
mm/memory-failure: give up error handling for non-tail-refcounted thp
mm/memory-failure: fix race in counting num_poisoned_pages
mm/memory-failure: unlock_page before put_page
ipc: use private shmem or hugetlbfs inodes for shm segments.
mm: initialize hotplugged pages as reserved
ocfs2: fix shift left overflow
kthread: export kthread functions
fsnotify: fix oops in fsnotify_clear_marks_by_group_flags()
lib/iommu-common.c: do not use 0xffffffffffffffffl for computing align_mask
mm/slub: allow merging when SLAB_DEBUG_FREE is set
signalfd: fix information leak in signalfd_copyinfo
signal: fix information leak in copy_siginfo_to_user
signal: fix information leak in copy_siginfo_from_user32
ocfs2: fix BUG in ocfs2_downconvert_thread_do_work()
fs, file table: reinit files_stat.max_files after deferred memory initialisation
mm, meminit: replace rwsem with completion
mm, meminit: allow early_pfn_to_nid to be used during runtime
...
If we have a series of events from userpsace, with %fprs=FPRS_FEF,
like follows:
ETRAP
ETRAP
VIS_ENTRY(fprs=0x4)
VIS_EXIT
RTRAP (kernel FPU restore with fpu_saved=0x4)
RTRAP
We will not restore the user registers that were clobbered by the FPU
using kernel code in the inner-most trap.
Traps allocate FPU save slots in the thread struct, and FPU using
sequences save the "dirty" FPU registers only.
This works at the initial trap level because all of the registers
get recorded into the top-level FPU save area, and we'll return
to userspace with the FPU disabled so that any FPU use by the user
will take an FPU disabled trap wherein we'll load the registers
back up properly.
But this is not how trap returns from kernel to kernel operate.
The simplest fix for this bug is to always save all FPU register state
for anything other than the top-most FPU save area.
Getting rid of the optimized inner-slot FPU saving code ends up
making VISEntryHalf degenerate into plain VISEntry.
Longer term we need to do something smarter to reinstate the partial
save optimizations. Perhaps the fundament error is having trap entry
and exit allocate FPU save slots and restore register state. Instead,
the VISEntry et al. calls should be doing that work.
This bug is about two decades old.
Reported-by: James Y Knight <jyknight@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Pull amdgpu fixes from Alex Deucher:
"Just a few amdgpu fixes to make sure we report the proper firmware
information and number of render buffers to userspace and a typo in a
debugging function"
[ Pulling directly from Alex since Dave Airlie is on vacation - Linus ]
* 'drm-fixes-4.2' of git://people.freedesktop.org/~agd5f/linux:
drm/amdgpu: set fw_version and feature_version for smu fw loading
drm/amdgpu: add feature version for SDMA ucode
drm/amdgpu: add feature version for RLC and MEC v2
drm/amdgpu: increment queue when iterating on this variable.
drm/amdgpu: fix rb setting for CZ
Pull TDA998x i2c driver fixes from Russell King:
"This fixes the double-checksumming of the AVI infoframe which was
resulting in the checksum always being zero. It went unnoticed as
none of my HDMI devices had a problem with this"
[ Pulling directly from rmk since Dave Airlie is on vacation - Linus ]
* 'drm-tda998x-fixes' of git://ftp.arm.linux.org.uk/~rmk/linux-arm:
drm/i2c: tda998x: fix bad checksum of the HDMI AVI infoframe
The initial value of global_wb_domain.dirty_limit set by
writeback_set_ratelimit() is zeroed out by the memset in
wb_domain_init().
Signed-off-by: Rabin Vincent <rabin.vincent@axis.com>
Acked-by: Tejun Heo <tj@kernel.org>
Cc: Jens Axboe <axboe@fb.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Now page freeing code doesn't consider PageHWPoison as a bad page, so by
setting it before completing the page containment, we can prevent the
error page from being reused just after successful page migration.
I added TTU_IGNORE_HWPOISON for try_to_unmap() to make sure that the
page table entry is transformed into migration entry, not to hwpoison
entry.
Signed-off-by: Naoya Horiguchi <n-horiguchi@ah.jp.nec.com>
Cc: Andi Kleen <andi@firstfloor.org>
Cc: Dean Nelson <dnelson@redhat.com>
Cc: Tony Luck <tony.luck@intel.com>
Cc: "Kirill A. Shutemov" <kirill@shutemov.name>
Cc: Hugh Dickins <hughd@google.com>
Cc: David Rientjes <rientjes@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Ingo Molnar
Linus Torvalds
Richard Weinberger
Jason Gerecke
Scot Doyle
Christian Engelmayer
Robert Jarzmik
Jyri Sarha
Linus Walleij
Kees Cook
Allen Hubbe
Dave Jiang
Duson Lin
Joe Thornber
Daniel Vetter
Takashi Iwai
Vineet Gupta
David S. Miller
Rabin Vincent
Naoya Horiguchi