Fix double words "the the" in various files
within Documentations.
Signed-off-by: Masanari Iida <standby24x7@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Fix spelling typo under Documentation/DocBook/media.
It is because these files are NOT generated by "make htmldocs",
I have to fix the files.
Signed-off-by: Masanari Iida <standby24x7@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Function create_syslog_header() is defined as static, so it should
not be exported.
Signed-off-by: Jiang Liu <jiang.liu@linux.intel.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
cppcheck detected following warning in ixgbe_fcoe.c (warning) %d in format
string (no. 1) requires 'int' but the argument type is 'unsigned int'.
Signed-off-by: Masanari Iida <standby24x7@gmail.com>
Tested-By: Jack Morgan <jack.morgan@intel.com>
Signed-off-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
A number of Kconfig entries default to (uppercase) "N". It was clearly
intended to use "default n". But since (lowercase) "n" is the default
anyway, these lines might as well be removed.
Signed-off-by: Paul Bolle <pebolle@tiscali.nl>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
This patch fix spelling typo in Documentation/DocBook.
It is because .html and .xml files are generated by make htmldocs,
I have to fix a typo within the source files.
Signed-off-by: Masanari Iida <standby24x7@gmail.com>
Acked-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
This patch fixed following errors while make htmldocs
Warning(/mm/slab.c:1956): No description found for parameter 'page'
Warning(/mm/slab.c:1956): Excess function parameter 'slabp' description in 'slab_destroy'
Incorrect function parameter "slabp" was set instead of "page"
Signed-off-by: Masanari Iida <standby24x7@gmail.com>
Acked-by: Christoph Lameter <cl@linux.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Commit 436d42c61c ("ARM: samsung: move platform_data definitions")
moved the files to the current location but forgot to remove the pointer
to its previous location. Clean it up. While at it also change the header
file protection macros appropriately.
Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Reviewed-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Pull btrfs fixes from Chris Mason:
"We have a small collection of fixes in my for-linus branch.
The big thing that stands out is a revert of a new ioctl. Users
haven't shipped yet in btrfs-progs, and Dave Sterba found a better way
to export the information"
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfs:
Btrfs: use right clone root offset for compressed extents
btrfs: fix null pointer deference at btrfs_sysfs_add_one+0x105
Btrfs: unset DCACHE_DISCONNECTED when mounting default subvol
Btrfs: fix max_inline mount option
Btrfs: fix a lockdep warning when cleaning up aborted transaction
Revert "btrfs: add ioctl to export size of global metadata reservation"
- Fix booting on PPC boards. Changes to of_match_node matching caused
the serial port on some PPC boards to stop working. Reverted the
change and reimplement to split matching between new style compatible
only matching and fallback to old matching algorithm.
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Merge tag 'dt-fixes-for-3.14' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux
Pull devicetree fixes from Rob Herring:
"Fix booting on PPC boards. Changes to of_match_node matching caused
the serial port on some PPC boards to stop working. Reverted the
change and reimplement to split matching between new style compatible
only matching and fallback to old matching algorithm"
* tag 'dt-fixes-for-3.14' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux:
of: search the best compatible match first in __of_match_node()
Revert "OF: base: match each node compatible against all given matches first"
Currently, of_match_node compares each given match against all node's
compatible strings with of_device_is_compatible.
To achieve multiple compatible strings per node with ordering from
specific to generic, this requires given matches to be ordered from
specific to generic. For most of the drivers this is not true and also
an alphabetical ordering is more sane there.
Therefore, this patch introduces a function to match each of the node's
compatible strings against all given compatible matches without type and
name first, before checking the next compatible string. This implies
that node's compatibles are ordered from specific to generic while
given matches can be in any order. If we fail to find such a match
entry, then fall-back to the old method in order to keep compatibility.
Cc: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>
Signed-off-by: Kevin Hao <haokexin@gmail.com>
Tested-by: Stephen Chivers <schivers@csc.com>
Signed-off-by: Rob Herring <robh@kernel.org>
Pull SCSI target fixes from Nicholas Bellinger:
"Mostly minor fixes this time to v3.14-rc1 related changes. Also
included is one fix for a free after use regression in persistent
reservations UNREGISTER logic that is CC'ed to >= v3.11.y stable"
* git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending:
Target/sbc: Fix protection copy routine
IB/srpt: replace strict_strtoul() with kstrtoul()
target: Simplify command completion by removing CMD_T_FAILED flag
iser-target: Fix leak on failure in isert_conn_create_fastreg_pool
iscsi-target: Fix SNACK Type 1 + BegRun=0 handling
target: Fix missing length check in spc_emulate_evpd_83()
qla2xxx: Remove last vestiges of qla_tgt_cmd.cmd_list
target: Fix 32-bit + CONFIG_LBDAF=n link error w/ sector_div
target: Fix free-after-use regression in PR unregister
Pull i2c fixes from Wolfram Sang:
"i2c has a bugfix and documentation improvements for you"
* 'i2c/for-current' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux:
Documentation: i2c: mention ACPI method for instantiating devices
Documentation: i2c: describe devicetree method for instantiating devices
i2c: mv64xxx: refactor message start to ensure proper initialization
Pull irq update from Thomas Gleixner:
"Fix from the urgent branch: a trivial oneliner adding the missing
Kconfig dependency curing build failures which have been discovered by
several build robots.
The update in the irq-core branch provides a new function in the
irq/devres code, which is a prerequisite for driver developers to get
rid of boilerplate code all over the place.
Not a bugfix, but it has zero impact on the current kernel due to the
lack of users. It's simpler to provide the infrastructure to
interested parties via your tree than fulfilling the wishlist of
driver maintainers on which particular commit or tag this should be
based on"
* 'irq-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
genirq: Add missing irq_to_desc export for CONFIG_SPARSE_IRQ=n
* 'irq-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
genirq: Add devm_request_any_context_irq()
Pull timer fixes from Thomas Gleixner:
"The following trilogy of patches brings you:
- fix for a long standing math overflow issue with HZ < 60
- an onliner fix for a corner case in the dreaded tick broadcast
mechanism affecting a certain range of AMD machines which are
infested with the infamous automagic C1E power control misfeature
- a fix for one of the ARM platforms which allows the kernel to
proceed and boot instead of stupidly panicing for no good reason.
The patch is slightly larger than necessary, but it's less ugly
than the alternative 5 liner"
* 'timers-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
tick: Clear broadcast pending bit when switching to oneshot
clocksource: Kona: Print warning rather than panic
time: Fix overflow when HZ is smaller than 60
The first is a fix for the way the ring buffer stores timestamps.
After a restructure of the code was done, the ring buffer timestamp
logic missed the fact that the first event on a sub buffer is to have
a zero delta, as the full timestamp is stored on the sub buffer itself.
But because the delta was not cleared to zero, the timestamp for that
event will be calculated as the real timestamp + the delta from the
last timestamp. This can skew the timestamps of the events and
have them say they happened when they didn't really happen. That's bad.
The second fix is for modifying the function graph caller site.
When the stop machine was removed from updating the function tracing
code, it missed updating the function graph call site location.
It is still modified as if it is being done via stop machine. But it's not.
This can lead to a GPF and kernel crash if the function graph call site
happens to lie between cache lines and one CPU is executing it while
another CPU is doing the update. It would be a very hard condition to
hit, but the result is sever enough to have it fixed ASAP.
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Merge tag 'trace-fixes-v3.14-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace
Pull twi tracing fixes from Steven Rostedt:
"Two urgent fixes in the tracing utility.
The first is a fix for the way the ring buffer stores timestamps.
After a restructure of the code was done, the ring buffer timestamp
logic missed the fact that the first event on a sub buffer is to have
a zero delta, as the full timestamp is stored on the sub buffer
itself. But because the delta was not cleared to zero, the timestamp
for that event will be calculated as the real timestamp + the delta
from the last timestamp. This can skew the timestamps of the events
and have them say they happened when they didn't really happen.
That's bad.
The second fix is for modifying the function graph caller site. When
the stop machine was removed from updating the function tracing code,
it missed updating the function graph call site location. It is still
modified as if it is being done via stop machine. But it's not. This
can lead to a GPF and kernel crash if the function graph call site
happens to lie between cache lines and one CPU is executing it while
another CPU is doing the update. It would be a very hard condition to
hit, but the result is severe enough to have it fixed ASAP"
* tag 'trace-fixes-v3.14-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace:
ftrace/x86: Use breakpoints for converting function graph caller
ring-buffer: Fix first commit on sub-buffer having non-zero delta
Pull x86 EFI fixes from Peter Anvin:
"A few more EFI-related fixes"
* 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/efi: Check status field to validate BGRT header
x86/efi: Fix 32-bit fallout
Mostly a collection of Kconfig, device tree data and compilation fixes
along with fix to drivers/phy that fixes a boot regression on some
Marvell mvebu platforms.
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Merge tag 'fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC fixes from Kevin Hilman:
"A collection of ARM SoC fixes for v3.14-rc1.
Mostly a collection of Kconfig, device tree data and compilation fixes
along with fix to drivers/phy that fixes a boot regression on some
Marvell mvebu platforms"
* tag 'fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc:
dma: mv_xor: Silence a bunch of LPAE-related warnings
ARM: ux500: disable msp2 device tree node
ARM: zynq: Reserve not DMAable space in front of the kernel
ARM: multi_v7_defconfig: Select CONFIG_SOC_DRA7XX
ARM: imx6: Initialize low-power mode early again
ARM: pxa: fix various compilation problems
ARM: pxa: fix compilation problem on AM300EPD board
ARM: at91: add Atmel's SAMA5D3 Xplained board
spi/atmel: document clock properties
mmc: atmel-mci: document clock properties
ARM: at91: enable USB host on at91sam9n12ek board
ARM: at91/dt: fix sama5d3 ohci hclk clock reference
ARM: at91/dt: sam9263: fix compatibility string for the I2C
ata: sata_mv: Fix probe failures with optional phys
drivers: phy: Add support for optional phys
drivers: phy: Make NULL a valid phy reference
ARM: fix HAVE_ARM_TWD selection for OMAP and shmobile
ARM: moxart: move DMA_OF selection to driver
ARM: hisi: fix kconfig warning on HAVE_ARM_TWD
For non compressed extents, iterate_extent_inodes() gives us offsets
that take into account the data offset from the file extent items, while
for compressed extents it doesn't. Therefore we have to adjust them before
placing them in a send clone instruction. Not doing this adjustment leads to
the receiving end requesting for a wrong a file range to the clone ioctl,
which results in different file content from the one in the original send
root.
Issue reproducible with the following excerpt from the test I made for
xfstests:
_scratch_mkfs
_scratch_mount "-o compress-force=lzo"
$XFS_IO_PROG -f -c "truncate 118811" $SCRATCH_MNT/foo
$XFS_IO_PROG -c "pwrite -S 0x0d -b 39987 92267 39987" $SCRATCH_MNT/foo
$BTRFS_UTIL_PROG subvolume snapshot -r $SCRATCH_MNT $SCRATCH_MNT/mysnap1
$XFS_IO_PROG -c "pwrite -S 0x3e -b 80000 200000 80000" $SCRATCH_MNT/foo
$BTRFS_UTIL_PROG filesystem sync $SCRATCH_MNT
$XFS_IO_PROG -c "pwrite -S 0xdc -b 10000 250000 10000" $SCRATCH_MNT/foo
$XFS_IO_PROG -c "pwrite -S 0xff -b 10000 300000 10000" $SCRATCH_MNT/foo
# will be used for incremental send to be able to issue clone operations
$BTRFS_UTIL_PROG subvolume snapshot -r $SCRATCH_MNT $SCRATCH_MNT/clones_snap
$BTRFS_UTIL_PROG subvolume snapshot -r $SCRATCH_MNT $SCRATCH_MNT/mysnap2
$FSSUM_PROG -A -f -w $tmp/1.fssum $SCRATCH_MNT/mysnap1
$FSSUM_PROG -A -f -w $tmp/2.fssum -x $SCRATCH_MNT/mysnap2/mysnap1 \
-x $SCRATCH_MNT/mysnap2/clones_snap $SCRATCH_MNT/mysnap2
$FSSUM_PROG -A -f -w $tmp/clones.fssum $SCRATCH_MNT/clones_snap \
-x $SCRATCH_MNT/clones_snap/mysnap1 -x $SCRATCH_MNT/clones_snap/mysnap2
$BTRFS_UTIL_PROG send $SCRATCH_MNT/mysnap1 -f $tmp/1.snap
$BTRFS_UTIL_PROG send $SCRATCH_MNT/clones_snap -f $tmp/clones.snap
$BTRFS_UTIL_PROG send -p $SCRATCH_MNT/mysnap1 \
-c $SCRATCH_MNT/clones_snap $SCRATCH_MNT/mysnap2 -f $tmp/2.snap
_scratch_unmount
_scratch_mkfs
_scratch_mount
$BTRFS_UTIL_PROG receive $SCRATCH_MNT -f $tmp/1.snap
$FSSUM_PROG -r $tmp/1.fssum $SCRATCH_MNT/mysnap1 2>> $seqres.full
$BTRFS_UTIL_PROG receive $SCRATCH_MNT -f $tmp/clones.snap
$FSSUM_PROG -r $tmp/clones.fssum $SCRATCH_MNT/clones_snap 2>> $seqres.full
$BTRFS_UTIL_PROG receive $SCRATCH_MNT -f $tmp/2.snap
$FSSUM_PROG -r $tmp/2.fssum $SCRATCH_MNT/mysnap2 2>> $seqres.full
Signed-off-by: Filipe David Borba Manana <fdmanana@gmail.com>
Signed-off-by: Chris Mason <clm@fb.com>
Because the offload mechanism can fall back to a standard transfer,
having two seperate initialization states is unfortunate. Let's just
have one state which does things consistently. This fixes a bug where
some preparation was missing when the fallback happened. And it makes
the code much easier to follow. To implement this, we put the check
if offload is possible at the top of the offload setup function.
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
Tested-by: Gregory CLEMENT <gregory.clement@free-electrons.com>
Cc: stable@vger.kernel.org # v3.12+
Fixes: 930ab3d403 (i2c: mv64xxx: Add I2C Transaction Generator support)
Here is a bunch of USB fixes for 3.14-rc3. Most of these are xhci
reverts, fixing a bunch of reported issues with USB 3 host controller
issues that loads of people have been hitting (with the exception of
kernel developers, all of our machines seem to be working fine, which is
why these took so long to get resolved...)
There are some other minor fixes and new device ids, as ususal. All
have been in linux-next successfully.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'usb-3.14-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
Pull USB fixes from Greg KH:
"Here is a bunch of USB fixes for 3.14-rc3. Most of these are xhci
reverts, fixing a bunch of reported issues with USB 3 host controller
issues that loads of people have been hitting (with the exception of
kernel developers, all of our machines seem to be working fine, which
is why these took so long to get resolved...)
There are some other minor fixes and new device ids, as ususal. All
have been in linux-next successfully"
* tag 'usb-3.14-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (22 commits)
usb: option: blacklist ZTE MF667 net interface
Revert "usb: xhci: Link TRB must not occur within a USB payload burst"
Revert "xhci: Avoid infinite loop when sg urb requires too many trbs"
Revert "xhci: Set scatter-gather limit to avoid failed block writes."
xhci 1.0: Limit arbitrarily-aligned scatter gather.
Modpost: fixed USB alias generation for ranges including 0x9 and 0xA
usb: core: Fix potential memory leak adding dyn USBdevice IDs
USB: ftdi_sio: add Tagsys RFID Reader IDs
usb: qcserial: add Netgear Aircard 340U
usb-storage: enable multi-LUN scanning when needed
USB: simple: add Dynastream ANT USB-m Stick device support
usb-storage: add unusual-devs entry for BlackBerry 9000
usb-storage: restrict bcdDevice range for Super Top in Cypress ATACB
usb: phy: move some error messages to debug
usb: ftdi_sio: add Mindstorms EV3 console adapter
usb: dwc2: fix memory corruption in dwc2 driver
usb: dwc2: fix role switch breakage
usb: dwc2: bail out early when booting with "nousb"
Revert "xhci: replace xhci_read_64() with readq()"
Revert "xhci: replace xhci_write_64() with writeq()"
...
Here are a small number of tty/serial driver fixes to resolve reported
issues with 3.14-rc and earlier (in the case of the vt bugfix.) Some of
these have been tested and reported by a number of people as the tty
bugfix was pretty commonly hit on some platforms.
All have been in linux-next for a while.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'tty-3.14-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty
Pull tty/serial driver fixes from Greg KH:
"Here are a small number of tty/serial driver fixes to resolve reported
issues with 3.14-rc and earlier (in the case of the vt bugfix). Some
of these have been tested and reported by a number of people as the
tty bugfix was pretty commonly hit on some platforms.
All have been in linux-next for a while"
* tag 'tty-3.14-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty:
vt: Fix secure clear screen
serial: 8250: Support XR17V35x fraction divisor
n_tty: Fix stale echo output
serial: sirf: fix kernel panic caused by unpaired spinlock
serial: 8250_pci: unbreak last serial ports on NetMos 9865 cards
n_tty: Fix poll() when TIME_CHAR and MIN_CHAR == 0
serial: omap: fix rs485 probe on defered pinctrl
serial: 8250_dw: fix compilation warning when !CONFIG_PM_SLEEP
serial: omap-serial: Move info message to probe function
tty: Set correct tty name in 'active' sysfs attribute
tty: n_gsm: Fix for modems with brk in modem status control
drivers/tty/hvc: don't use module_init in non-modular hyp. console code
Here are a number (lots, I know) of fixes for staging drivers to resolve
a bunch of reported issues.
The largest patches here is one revert of a patch that is in 3.14-rc1 to
fix reported problems, and a sync of a usb host driver that required
some ARM patches to go in before it could be accepted (which is why it
missed -rc1).
All of these have been in linux-next for a while with no reported issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'staging-3.14-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging
Pull staging driver fixes from Greg KH:
"Here are a number (lots, I know) of fixes for staging drivers to
resolve a bunch of reported issues.
The largest patches here is one revert of a patch that is in 3.14-rc1
to fix reported problems, and a sync of a usb host driver that
required some ARM patches to go in before it could be accepted (which
is why it missed -rc1)
All of these have been in linux-next for a while with no reported
issues"
* tag 'staging-3.14-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging: (56 commits)
staging/rtl8821ae: fix build, depends on MAC80211
iio: max1363: Use devm_regulator_get_optional for optional regulator
iio:accel:bma180: Use modifier instead of index in channel specification
iio: adis16400: Set timestamp as the last element in chan_spec
iio: ak8975: Fix calculation formula for convert micro tesla to gauss unit
staging:iio:ad799x fix typo in ad799x_events[]
iio: mxs-lradc: remove useless scale_available files
iio: mxs-lradc: fix buffer overflow
iio:magnetometer:mag3110: Fix output of decimal digits in show_int_plus_micros()
iio:magnetometer:mag3110: Report busy in _read_raw() / write_raw() when buffer is enabled
wlags49_h2: Fix overflow in wireless_set_essid()
xlr_net: Fix missing trivial allocation check
staging: r8188eu: overflow in rtw_p2p_get_go_device_address()
staging: r8188eu: array overflow in rtw_mp_ioctl_hdl()
staging: r8188eu: Fix typo in USB_DEVICE list
usbip/userspace/libsrc/names.c: memory leak
gpu: ion: dereferencing an ERR_PTR
staging: comedi: usbduxsigma: fix unaligned dereferences
staging: comedi: fix too early cleanup in comedi_auto_config()
staging: android: ion: dummy: fix an error code
...
Here is a single driver core patch for 3.14-rc3 for the component code that
Russell has found and fixed.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'driver-core-3.14-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core
Pull driver core fix from Greg KH:
"Here is a single driver core patch for 3.14-rc3 for the component code
that Russell has found and fixed"
* tag 'driver-core-3.14-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core:
drivers/base: fix devres handling for master device
Here are some small char/misc driver fixes, along with some
documentation updates, for 3.14-rc3. Nothing major, just a number of
fixes for reported issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'char-misc-3.14-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
Pull char/misc fixes from Greg KH:
"Here are some small char/misc driver fixes, along with some
documentation updates, for 3.14-rc3. Nothing major, just a number of
fixes for reported issues"
* tag 'char-misc-3.14-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc:
Revert "misc: eeprom: sunxi: Add new compatibles"
Revert "ARM: sunxi: dt: Convert to the new SID compatibles"
misc: mic: fix possible signed underflow (undefined behavior) in userspace API
ARM: sunxi: dt: Convert to the new SID compatibles
misc: eeprom: sunxi: Add new compatibles
misc: genwqe: Fix potential memory leak when pinning memory
Documentation:Update Documentation/zh_CN/arm64/memory.txt
Documentation:Update Documentation/zh_CN/arm64/booting.txt
Documentation:Chinese translation of Documentation/arm64/tagged-pointers.txt
raw: set range for MAX_RAW_DEVS
raw: test against runtime value of max_raw_minors
Drivers: hv: vmbus: Don't timeout during the initial connection with host
Drivers: hv: vmbus: Specify the target CPU that should receive notification
VME: Correct read/write alignment algorithm
mei: don't unset read cb ptr on reset
mei: clear write cb from waiting list on reset
A user was running into errors from an NFS export of a subvolume that had a
default subvol set. When we mount a default subvol we will use d_obtain_alias()
to find an existing dentry for the subvolume in the case that the root subvol
has already been mounted, or a dummy one is allocated in the case that the root
subvol has not already been mounted. This allows us to connect the dentry later
on if we wander into the path. However if we don't ever wander into the path we
will keep DCACHE_DISCONNECTED set for a long time, which angers NFS. It doesn't
appear to cause any problems but it is annoying nonetheless, so simply unset
DCACHE_DISCONNECTED in the get_default_root case and switch btrfs_lookup() to
use d_materialise_unique() instead which will make everything play nicely
together and reconnect stuff if we wander into the defaul subvol path from a
different way. With this patch I'm no longer getting the NFS errors when
exporting a volume that has been mounted with a default subvol set. Thanks,
cc: bfields@fieldses.org
cc: ebiederm@xmission.com
Signed-off-by: Josef Bacik <jbacik@fb.com>
Acked-by: "Eric W. Biederman" <ebiederm@xmission.com>
Signed-off-by: Chris Mason <clm@fb.com>
Currently, the only mount option for max_inline that has any effect is
max_inline=0. Any other value that is supplied to max_inline will be
adjusted to a minimum of 4k. Since max_inline has an effective maximum
of ~3900 bytes due to page size limitations, the current behaviour
only has meaning for max_inline=0.
This patch will allow the the max_inline mount option to accept non-zero
values as indicated in the documentation.
Signed-off-by: Mitch Harder <mitch.harder@sabayonlinux.org>
Signed-off-by: Chris Mason <clm@fb.com>
Given now we have 2 spinlock for management of delayed refs,
CONFIG_DEBUG_SPINLOCK=y helped me find this,
[ 4723.413809] BUG: spinlock wrong CPU on CPU#1, btrfs-transacti/2258
[ 4723.414882] lock: 0xffff880048377670, .magic: dead4ead, .owner: btrfs-transacti/2258, .owner_cpu: 2
[ 4723.417146] CPU: 1 PID: 2258 Comm: btrfs-transacti Tainted: G W O 3.12.0+ #4
[ 4723.421321] Call Trace:
[ 4723.421872] [<ffffffff81680fe7>] dump_stack+0x54/0x74
[ 4723.422753] [<ffffffff81681093>] spin_dump+0x8c/0x91
[ 4723.424979] [<ffffffff816810b9>] spin_bug+0x21/0x26
[ 4723.425846] [<ffffffff81323956>] do_raw_spin_unlock+0x66/0x90
[ 4723.434424] [<ffffffff81689bf7>] _raw_spin_unlock+0x27/0x40
[ 4723.438747] [<ffffffffa015da9e>] btrfs_cleanup_one_transaction+0x35e/0x710 [btrfs]
[ 4723.443321] [<ffffffffa015df54>] btrfs_cleanup_transaction+0x104/0x570 [btrfs]
[ 4723.444692] [<ffffffff810c1b5d>] ? trace_hardirqs_on_caller+0xfd/0x1c0
[ 4723.450336] [<ffffffff810c1c2d>] ? trace_hardirqs_on+0xd/0x10
[ 4723.451332] [<ffffffffa015e5ee>] transaction_kthread+0x22e/0x270 [btrfs]
[ 4723.452543] [<ffffffffa015e3c0>] ? btrfs_cleanup_transaction+0x570/0x570 [btrfs]
[ 4723.457833] [<ffffffff81079efa>] kthread+0xea/0xf0
[ 4723.458990] [<ffffffff81079e10>] ? kthread_create_on_node+0x140/0x140
[ 4723.460133] [<ffffffff81692aac>] ret_from_fork+0x7c/0xb0
[ 4723.460865] [<ffffffff81079e10>] ? kthread_create_on_node+0x140/0x140
[ 4723.496521] ------------[ cut here ]------------
----------------------------------------------------------------------
The reason is that we get to call cond_resched_lock(&head_ref->lock) while
still holding @delayed_refs->lock.
So it's different with __btrfs_run_delayed_refs(), where we do drop-acquire
dance before and after actually processing delayed refs.
Here we don't drop the lock, others are not able to add new delayed refs to
head_ref, so cond_resched_lock(&head_ref->lock) is not necessary here.
Signed-off-by: Liu Bo <bo.li.liu@oracle.com>
Signed-off-by: Chris Mason <clm@fb.com>
This reverts commit 01e219e806.
David Sterba found a different way to provide these features without adding a new
ioctl. We haven't released any progs with this ioctl yet, so I'm taking this out
for now until we finalize things.
Signed-off-by: Chris Mason <clm@fb.com>
Signed-off-by: David Sterba <dsterba@suse.cz>
CC: Jeff Mahoney <jeffm@suse.com>
Pull two nfsd bugfixes from Bruce Fields.
* 'for-3.14' of git://linux-nfs.org/~bfields/linux:
lockd: send correct lock when granting a delayed lock.
nfsd4: fix acl buffer overrun
both tagged for -stable
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Merge tag 'md/3.14-fixes' of git://neil.brown.name/md
Pull md fixes from Neil Brown:
"Two bugfixes for md
both tagged for -stable"
* tag 'md/3.14-fixes' of git://neil.brown.name/md:
md/raid5: Fix CPU hotplug callback registration
md/raid1: restore ability for check and repair to fix read errors.
This reverts commit 105353145e.
Stephen Chivers reported this is broken as we will get a match
entry '.type = "serial"' instead of the '.compatible = "ns16550"'
in the following scenario:
serial0: serial@4500 {
compatible = "fsl,ns16550", "ns16550";
}
struct of_device_id of_platform_serial_table[] = {
{ .compatible = "ns8250", .data = (void *)PORT_8250, },
{ .compatible = "ns16450", .data = (void *)PORT_16450, },
{ .compatible = "ns16550a", .data = (void *)PORT_16550A, },
{ .compatible = "ns16550", .data = (void *)PORT_16550, },
{ .compatible = "ns16750", .data = (void *)PORT_16750, },
{ .compatible = "ns16850", .data = (void *)PORT_16850, },
...
{ .type = "serial", .data = (void *)PORT_UNKNOWN, },
{ /* end of list */ },
};
So just revert this patch, we will use another implementation to find
the best compatible match in a follow-on patch.
Reported-by: Stephen N Chivers <schivers@csc.com.au>
Cc: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>
Signed-off-by: Kevin Hao <haokexin@gmail.com>
Signed-off-by: Rob Herring <robh@kernel.org>
This reverts commit f0de8e04a7, it is
incorrect, a future patch will fix this up properly.
Cc: Maxime Ripard <maxime.ripard@free-electrons.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This reverts commit 01ab1167cd, it is
incorrect, a future patch will fix this up properly.
Cc: Maxime Ripard <maxime.ripard@free-electrons.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
