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Since the value of cur_seg is not used and since scsi_prot_sglist()
has no side effects it is safe to remove the statement
"cur_seg = scsi_port_sglist(cmd)". Detected by Coverity.
Signed-off-by: Bart Van Assche <bvanassche@acm.org>
Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
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Since ha->model_desc is an array comparing it against NULL is
superfluous. Hence remove these tests.
Signed-off-by: Bart Van Assche <bvanassche@acm.org>
Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
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At the end of qla2x00_configure_hba() we know that rval == QLA_SUCCESS.
Hence remove the dead code.
Signed-off-by: Bart Van Assche <bvanassche@acm.org>
Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
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Remove dead code, simplify a pointer computation and move the
ql84_mgmt assignment to just before its first use.
Signed-off-by: Bart Van Assche <bvanassche@acm.org>
Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
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Remove dead code and simplify a pointer computation.
Signed-off-by: Bart Van Assche <bvanassche@acm.org>
Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
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Signed-off-by: Giridhar Malavali <giridhar.malavali@qlogic.com>
Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
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generating one.
When we are intentionally generating a firmware dump by executing the
MBC_GEN_SYSTEM_ERROR command, the command actually times out. The normal
course of action when a mailbox command times out is to take a firmware dump.
However, in this special case we do not want to do this since the
MBA_SYSTEM_ERR AEN already generates a firmware dump.
Signed-off-by: Chad Dupuis <chad.dupuis@qlogic.com>
Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
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During a chip reset, the mailbox call to get FC statistics from the ISP will
not work resulting in needless mailbox accesses and errors printing out:
qla2xxx [0000:05:00.0]-00af:11: Performing ISP error recovery - ha=ffff881fad044800.
qla2xxx [0000:05:00.0]-1020:11: **** Failed mbx[0]=4001, mb[1]=4953, mb[2]=5020, mb[3]=b100, cmd=6d ****.
qla2xxx [0000:05:00.0]-1020:11: **** Failed mbx[0]=4001, mb[1]=4953, mb[2]=5020, mb[3]=b100, cmd=6d ****.
qla2xxx [0000:05:00.0]-1020:11: **** Failed mbx[0]=4001, mb[1]=4953, mb[2]=5020, mb[3]=b100, cmd=6d ****.
qla2xxx [0000:05:00.0]-1020:11: **** Failed mbx[0]=4001, mb[1]=4953, mb[2]=5020, mb[3]=b100, cmd=6d ****.
qla2xxx [0000:05:00.0]-1020:11: **** Failed mbx[0]=4001, mb[1]=4953, mb[2]=5020, mb[3]=b100, cmd=6d ****.
To prevent this, check for a chip reset when an application queries for FC
stats and return immediately if a chip reset is occurring.
Signed-off-by: Chad Dupuis <chad.dupuis@qlogic.com>
Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
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Signed-off-by: Giridhar Malavali <giridhar.malavali@qlogic.com>
Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
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is aborted when the request timeout.
Call the generic BSG free routine to unmap the DMA buffers.
Signed-off-by: Giridhar Malavali <giridhar.malavali@qlogic.com>
Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
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Signed-off-by: Giridhar Malavali <giridhar.malavali@qlogic.com>
Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
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Increase the value of STORVSC_MAX_IO_REQUESTS to 200 requests. The current
ringbuffer size can support this higher value.
Signed-off-by: K. Y. Srinivasan <kys@microsoft.com>
Reviewed-by: Haiyang Zhang <haiyangz@microsoft.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
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Signed-off-by: K. Y. Srinivasan <kys@microsoft.com>
Reviewed-by: Haiyang Zhang <haiyangz@microsoft.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
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Signed-off-by: K. Y. Srinivasan <kys@microsoft.com>
Reviewed-by: Haiyang Zhang <haiyangz@microsoft.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
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Pci core has been saved pm cap register offset by pdev->pm_cap in
pci_pm_init() in init path. So we can use pdev->pm_cap instead of using
pci_find_capability(pdev, PCI_CAP_ID_PM) for better performance and simplified
code.
Tested-by: Lindar Liu <lindar_liu@usish.com>
Signed-off-by: Yijing Wang <wangyijing@huawei.com>
Acked-by: Lindar Liu <lindar_liu@usish.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
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commit 98cb7e44 ([SCSI] megaraid_sas: Sanity check user
supplied length before passing it to dma_alloc_coherent())
introduced a memory leak. Memory allocated for entries
following zero length SGL entries will not be freed.
Reference: http://bugs.debian.org/688198
Signed-off-by: Bjørn Mork <bjorn@mork.no>
Cc: <stable@vger.kernel.org>
Acked-by: Adam Radford <aradford@gmail.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
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Pull crypto update from Herbert Xu:
- Do not idle omap device between crypto operations in one session.
- Added sha224/sha384 shims for SSSE3.
- More optimisations for camellia-aesni-avx2.
- Removed defunct blowfish/twofish AVX2 implementations.
- Added unaligned buffer self-tests.
- Added PCLMULQDQ optimisation for CRCT10DIF.
- Added support for Freescale's DCP co-processor
- Misc fixes.
* git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6: (44 commits)
crypto: testmgr - test hash implementations with unaligned buffers
crypto: testmgr - test AEADs with unaligned buffers
crypto: testmgr - test skciphers with unaligned buffers
crypto: testmgr - check that entries in alg_test_descs are in correct order
Revert "crypto: twofish - add AVX2/x86_64 assembler implementation of twofish cipher"
Revert "crypto: blowfish - add AVX2/x86_64 implementation of blowfish cipher"
crypto: camellia-aesni-avx2 - tune assembly code for more performance
hwrng: bcm2835 - fix MODULE_LICENSE tag
hwrng: nomadik - use clk_prepare_enable()
crypto: picoxcell - replace strict_strtoul() with kstrtoul()
crypto: dcp - Staticize local symbols
crypto: dcp - Use NULL instead of 0
crypto: dcp - Use devm_* APIs
crypto: dcp - Remove redundant platform_set_drvdata()
hwrng: use platform_{get,set}_drvdata()
crypto: omap-aes - Don't idle/start AES device between Encrypt operations
crypto: crct10dif - Use PTR_RET
crypto: ux500 - Cocci spatch "resource_size.spatch"
crypto: sha256_ssse3 - add sha224 support
crypto: sha512_ssse3 - add sha384 support
...
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Pull ubi fixes from Artem Bityutskiy:
"A couple of fixes and clean-ups, allow for assigning user-defined UBI
device numbers when attaching MTD devices by using the "mtd=" module
parameter"
* tag 'upstream-3.11-rc1' of git://git.infradead.org/linux-ubi:
UBI: support ubi_num on mtd.ubi command line
UBI: fastmap break out of used PEB search
UBI: document UBI_IOCVOLUP better in user header
UBI: do not abort init when ubi.mtd devices cannot be found
UBI: drop redundant "UBI error" string
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Pull ubifs fix from Artem Bityutskiy:
"Only a single patch which fixes a message"
* tag 'upstream-3.11-rc1' of git://git.infradead.org/linux-ubifs:
UBIFS: correct mount message
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Pull device tree updates from Grant Likely:
"This branch contains the following changes:
- Removal of CONFIG_OF_DEVICE, it is always enabled by CONFIG_OF
- Remove #ifdef from linux/of_platform.h to increase compiler syntax
coverage
- Bug fix for address decoding on Bimini and js2x powerpc platforms.
- miscellaneous binding changes
One note on the above. The binding changes going in from all kinds of
different trees has gotten rather out of hand. I picked up some
during this cycle, but even going though my tree isn't a great fit.
Ian Campbell has prototyped splitting the bindings and .dtb files into
a separate repository. The plan is to migrate to using that sometime
in the next few kernel releases which should get rid of a lot of the
churn on binding docs and .dts files"
* tag 'devicetree-for-linus' of git://git.secretlab.ca/git/linux:
of: Fix address decoding on Bimini and js2x machines
of: remove CONFIG_OF_DEVICE
usb: chipidea: depend on CONFIG_OF instead of CONFIG_OF_DEVICE
of: remove of_platform_driver
ibmebus: convert of_platform_driver to platform_driver
driver core: move to_platform_driver to platform_device.h
mfd: DT bindings for the palmas family MFD
ARM: dts: omap3-devkit8000: fix NAND memory binding
of/base: fix typos
of: remove #ifdef from linux/of_platform.h
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git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
Pull input updates from Dmitry Torokhov:
"First round of updates for the input subsystem.
You will get a new touchsreen driver for Cypress 4th generation
devices, a driver for a special controller implementing PS/2 protocol
in OLPC devices, and a driver for power key for SiRFprimaII PWRC.
HID and bcm5497 now support for the 2013 MacBook Air.
EVIOCGKEY and the rest of evdev ioctls now flush events of matching
type from the client's event queue so that clients can be sure any
events received after issuing EVIOCG* ioctl are new events.
And a host of cleanups and improvements in other drivers"
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input: (87 commits)
Input: cyttsp4 - kfree xfer_buf on error path in probe()
Input: tps6507x-ts - select INPUT_POLLDEV
Input: bcm5974 - add support for the 2013 MacBook Air
HID: apple: Add support for the 2013 Macbook Air
Input: cyttsp4 - leak on error path in probe()
Input: cyttsp4 - silence NULL dereference warning
Input: cyttsp4 - silence shift wrap warning
Input: tps6507x-ts - convert to polled input device infrastructure
ARM: davinci: da850-evm: remove vref from touchscreen platform data
Input: cyttsp4 - SPI driver for Cypress TMA4XX touchscreen devices
Input: cyttsp4 - I2C driver for Cypress TMA4XX touchscreen devices
Input: cyttsp4 - add core driver for Cypress TMA4XX touchscreen devices
Input: cyttsp - I2C driver split into two modules
Input: add OLPC AP-SP driver
Input: nspire-keypad - remove redundant dev_err call in nspire_keypad_probe()
Input: tps6507x-ts - remove vref from platform data
Input: tps6507x-ts - use bool for booleans
Input: tps6507x-ts - remove bogus unreachable code
Input: samsung-keypad - let device core setup the default pin configuration
Input: wacom_i2c - implement hovering capability
...
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If probe() fails after cd->xfer_buf allocated, it will not freed.
Added kfree(cd->xfer_buf) with and error label.
Signed-off-by: Ferruh Yigit <fery@cypress.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux
Pull i2c updates from Wolfram Sang:
- new drivers: Kontron PLD, Wondermedia VT
- mv64xxx driver gained sun4i support and a bigger cleanup
- duplicate driver 'intel-mid' removed
- added generic device tree binding for sda holding time (and
designware driver already uses it)
- we tried to allow driver probing with only device tree and no i2c
ids, but I had to revert it because of side effects. Needs some
rethinking.
- driver bugfixes, cleanups...
* 'i2c/for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux: (34 commits)
i2c-designware: use div_u64 to fix link
i2c: Kontron PLD i2c bus driver
i2c: iop3xxx: fix build failure after waitqueue changes
i2c-designware: make SDA hold time configurable
i2c: mv64xxx: Set bus frequency to 100kHz if clock-frequency is not provided
i2c: imx: allow autoloading on dt ids
i2c: mv64xxx: Fix transfer error code
i2c: i801: SMBus patch for Intel Coleto Creek DeviceIDs
i2c: omap: correct usage of the interrupt enable register
i2c-pxa: prepare clock before use
Revert "i2c: core: make it possible to match a pure device tree driver"
i2c: nomadik: allocate adapter number dynamically
i2c: nomadik: support elder Nomadiks
i2c: mv64xxx: Add Allwinner sun4i compatible
i2c: mv64xxx: make the registers offset configurable
i2c: mv64xxx: Add macros to access parts of registers
i2c: vt8500: Add support for I2C bus on Wondermedia SoCs
i2c: designware: fix race between subsequent xfers
i2c: bfin-twi: Read and write the FIFO in loop
i2c: core: make it possible to match a pure device tree driver
...
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Pull first round of SCSI updates from James Bottomley:
"The patch set is mostly driver updates (usf, zfcp, lpfc, mpt2sas,
megaraid_sas, bfa, ipr) and a few bug fixes. Also of note is that the
Buslogic driver has been rewritten to a better coding style and 64 bit
support added. We also removed the libsas limitation on 16 bytes for
the command size (currently no drivers make use of this)"
* tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: (101 commits)
[SCSI] megaraid: minor cut and paste error fixed.
[SCSI] ufshcd-pltfrm: remove unnecessary dma_set_coherent_mask() call
[SCSI] ufs: fix register address in UIC error interrupt handling
[SCSI] ufshcd-pltfrm: add missing empty slot in ufs_of_match[]
[SCSI] ufs: use devres functions for ufshcd
[SCSI] ufs: Fix the response UPIU length setting
[SCSI] ufs: rework link start-up process
[SCSI] ufs: remove version check before IS reg clear
[SCSI] ufs: amend interrupt configuration
[SCSI] ufs: wrap the i/o access operations
[SCSI] storvsc: Update the storage protocol to win8 level
[SCSI] storvsc: Increase the value of scsi timeout for storvsc devices
[SCSI] MAINTAINERS: Add myself as the maintainer for BusLogic SCSI driver
[SCSI] BusLogic: Port driver to 64-bit.
[SCSI] BusLogic: Fix style issues
[SCSI] libiscsi: Added new boot entries in the session sysfs
[SCSI] aacraid: Fix for arrays are going offline in the system. System hangs
[SCSI] ipr: IOA Status Code(IOASC) update
[SCSI] sd: Update WRITE SAME heuristics
[SCSI] fnic: potential dead lock in fnic_is_abts_pending()
...
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git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial
Pull trivial tree updates from Jiri Kosina:
"The usual stuff from trivial tree"
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial: (34 commits)
treewide: relase -> release
Documentation/cgroups/memory.txt: fix stat file documentation
sysctl/net.txt: delete reference to obsolete 2.4.x kernel
spinlock_api_smp.h: fix preprocessor comments
treewide: Fix typo in printk
doc: device tree: clarify stuff in usage-model.txt.
open firmware: "/aliasas" -> "/aliases"
md: bcache: Fixed a typo with the word 'arithmetic'
irq/generic-chip: fix a few kernel-doc entries
frv: Convert use of typedef ctl_table to struct ctl_table
sgi: xpc: Convert use of typedef ctl_table to struct ctl_table
doc: clk: Fix incorrect wording
Documentation/arm/IXP4xx fix a typo
Documentation/networking/ieee802154 fix a typo
Documentation/DocBook/media/v4l fix a typo
Documentation/video4linux/si476x.txt fix a typo
Documentation/virtual/kvm/api.txt fix a typo
Documentation/early-userspace/README fix a typo
Documentation/video4linux/soc-camera.txt fix a typo
lguest: fix CONFIG_PAE -> CONFIG_x86_PAE in comment
...
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git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid
Pull HID updates from Jiri Kosina:
- HID battery handling cleanup by David Herrmann
- ELO 4000/4500 driver, which has been finally ported to be proper HID
driver by Jiri Slaby
- ps3remote driver functionality is now provided by generic sony
driver, by Jiri Kosina
- PS2/3 Buzz controllers support, by Colin Leitner
- rework of wiimote driver including full extensions hotpluggin
support, sub-device modularization and speaker support by David
Herrmann
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid: (55 commits)
HID: wacom: Intuos4 battery charging changes
HID: i2c-hid: support sending HID output reports using the output register
HID: kye: Add report fixup for Genius Gila Gaming mouse
HID: wiimote: support Nintendo Wii U Pro Controller
Input: make gamepad API keycodes more clear
input: document gamepad API and add extra keycodes
HID: explain out-of-range check better
HID: fix false positive out of range values
HID: wiimote: fix coccinelle warnings
HID: roccat: check cdev_add return value
HID: fold ps3remote driver into generic Sony driver
HID: hyperv: convert alloc+memcpy to memdup
HID: core: fix reporting of raw events
HID: wiimote: discard invalid EXT data reports
HID: wiimote: fix classic controller parsing
HID: wiimote: init EXT/MP during device detection
HID: wiimote: fix DRM debug-attr to correctly parse input
HID: wiimote: add MP quirks
HID: wiimote: remove old static extension support
HID: wiimote: add "bboard_calib" attribute
...
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Pull md updates from NeilBrown:
"Mostly fixes, with a few minor features (eg 'last_sync_action' sysfs
file)
A couple marked for -stable including one recent bug which causes a
RAID10 reshape to complete without moving any data :-(
A couple more bugfixes (at least) to come, but haven't confirmed the
right solution yet."
* tag 'md-3.11' of git://neil.brown.name/md:
md/raid10: fix bug which causes all RAID10 reshapes to move no data.
md/raid5: allow 5-device RAID6 to be reshaped to 4-device.
md/raid10: fix two bugs affecting RAID10 reshape.
md: remove doubled description for sync_max, merging it within sync_min/sync_max
MD: Remember the last sync operation that was performed
md: fix buglet in RAID5 -> RAID0 conversion.
md/raid10: check In_sync flag in 'enough()'.
md/raid10: locking changes for 'enough()'.
md: replace strict_strto*() with kstrto*()
md: Wait for md_check_recovery before attempting device removal.
dm-raid: silence compiler warning on rebuilds_per_group.
DM RAID: Fix raid_resume not reviving failed devices in all cases
DM RAID: Break-up untidy function
DM RAID: Add ability to restore transiently failed devices on resume
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Merge Kconfig menu diet patches from Dave Hansen:
"I think the "Kernel Hacking" menu has gotten a bit out of hand. It is
over 120 lines long on my system with everything enabled and options
are scattered around it haphazardly.
http://sr71.net/~dave/linux/kconfig-horror.png
Let's try to introduce some sanity. This set takes that 120 lines
down to 55 and makes it vastly easier to find some things. It's a
start.
This set stands on its own, but there is plenty of room for follow-up
patches. The arch-specific debug options still end up getting stuck
in the top-level "kernel hacking" menu. OPTIMIZE_INLINING, for
instance, could obviously go in to the "compiler options" menu, but
the fact that it is defined in arch/ in a separate Kconfig file keeps
it on its own for the moment.
The Signed-off-by's in here look funky. I changed employers while
working on this set, so I have signoffs from both email addresses"
* emailed patches from Dave Hansen <dave@sr71.net>:
hang and lockup detection menu
kconfig: consolidate printk options
group locking debugging options
consolidate compilation option configs
consolidate runtime testing configs
order memory debugging Kconfig options
consolidate per-arch stack overflow debugging options
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The hard/softlockup and hung-task entries take up 6 lines
of screen real-estate when enabled. I bet folks don't
mess with these _that_ often, so move them in a group
down a level.
Signed-off-by: Dave Hansen <dave.hansen@linux.intel.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Same deal, take the printk-related things and hide them in a menu.
This takes another 4 items out of the top-level menu.
Signed-off-by: Dave Hansen <dave.hansen@linux.intel.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Original posting:
http://lkml.kernel.org/r/20121214184208.D9E5804D@kernel.stglabs.ibm.com
There are quite a few of these, and we want to make sure that
there is one-stop-shopping for lock debugging.
Signed-off-by: Dave Hansen <dave@linux.vnet.ibm.com>
Signed-off-by: Dave Hansen <dave.hansen@linux.intel.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Original Post:
http://lkml.kernel.org/r/20121214184207.6E00DDEC@kernel.stglabs.ibm.com
Again, trying to come up with some common themes of the stuff in
the kernel hacking menu... There are quite a few options to
tweak compilation in some way, or perform extra compile-time
checks. Give them their own menu.
The diff here looks a bit funny... makes it look like I'm
moving debugfs even though I'm actually moving the options on
either side of it.
Signed-off-by: Dave Hansen <dave@linux.vnet.ibm.com>
Signed-off-by: Dave Hansen <dave.hansen@linux.intel.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Original posting:
http://lkml.kernel.org/r/20121214184206.FC11422F@kernel.stglabs.ibm.com
These runtime tests are great, except that there are a lot of them,
and they are very rarely needed. Give them their own menu so that
only the folks who need them will have to go looking for them.
Note that there are some other runtime tests that are not in here,
like for RCU or locking. This menu should only be used for tests
that do not have a more appropriate home.
Signed-off-by: Dave Hansen <dave@linux.vnet.ibm.com>
Signed-off-by: Dave Hansen <dave.hansen@linux.intel.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Original posting:
http://lkml.kernel.org/r/20121214184203.37E6C724@kernel.stglabs.ibm.com
There are a *LOT* of memory debugging options. They are just scattered
all over the "Kernel Hacking" menu. Sure, "memory debugging" is a very
vague term and it's going to be hard to make absolute rules about what
goes in here, but this has to be better than what we had before.
This does, however, leave out the architecture-specific memory
debugging options (like x86's DEBUG_SET_MODULE_RONX). There would need
to be some substantial changes to move those in here. Kconfig can not
easily mix arch-specific and generic options together: it really
requires a file per-architecture, and I think having an
arch/foo/Kconfig.debug-memory might be taking things a bit too far
Signed-off-by: Dave Hansen <dave@linux.vnet.ibm.com>
Signed-off-by: Dave Hansen <dave.hansen@linux.intel.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Original posting:
http://lkml.kernel.org/r/20121214184202.F54094D9@kernel.stglabs.ibm.com
Several architectures have similar stack debugging config options.
They all pretty much do the same thing, some with slightly
differing help text.
This patch changes the architectures to instead enable a Kconfig
boolean, and then use that boolean in the generic Kconfig.debug
to present the actual menu option. This removes a bunch of
duplication and adds consistency across arches.
Signed-off-by: Dave Hansen <dave@linux.vnet.ibm.com>
Reviewed-by: H. Peter Anvin <hpa@zytor.com>
Reviewed-by: James Hogan <james.hogan@imgtec.com>
Acked-by: Chris Metcalf <cmetcalf@tilera.com> [for tile]
Signed-off-by: Dave Hansen <dave.hansen@linux.intel.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Merge hpfs patches from Mikulas Patocka.
* emailed patches from Mikulas Patocka <mpatocka@artax.karlin.mff.cuni.cz>:
hpfs: implement prefetch to improve performance
hpfs: use mpage
hpfs: better test for errors
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This patch implements prefetch to improve performance. It helps mostly
when scanning the bitmaps to calculate free space.
Signed-off-by: Mikulas Patocka <mpatocka@artax.karlin.mff.cuni.cz>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Use the mpage interface to improve performance.
Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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The test if bitmap access is out of bound could errorneously pass if the
device size is divisible by 16384 sectors and we are asking for one bitmap
after the end.
Check for invalid size in the superblock. Invalid size could cause integer
overflows in the rest of the code.
Signed-off-by: Mikulas Patocka <mpatocka@artax.karlin.mff.cuni.cz>
Cc: stable@kernel.org
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc
Pull powerpc updates from Ben Herrenschmidt:
"This is the powerpc changes for the 3.11 merge window. In addition to
the usual bug fixes and small updates, the main highlights are:
- Support for transparent huge pages by Aneesh Kumar for 64-bit
server processors. This allows the use of 16M pages as transparent
huge pages on kernels compiled with a 64K base page size.
- Base VFIO support for KVM on power by Alexey Kardashevskiy
- Wiring up of our nvram to the pstore infrastructure, including
putting compressed oopses in there by Aruna Balakrishnaiah
- Move, rework and improve our "EEH" (basically PCI error handling
and recovery) infrastructure. It is no longer specific to pseries
but is now usable by the new "powernv" platform as well (no
hypervisor) by Gavin Shan.
- I fixed some bugs in our math-emu instruction decoding and made it
usable to emulate some optional FP instructions on processors with
hard FP that lack them (such as fsqrt on Freescale embedded
processors).
- Support for Power8 "Event Based Branch" facility by Michael
Ellerman. This facility allows what is basically "userspace
interrupts" for performance monitor events.
- A bunch of Transactional Memory vs. Signals bug fixes and HW
breakpoint/watchpoint fixes by Michael Neuling.
And more ... I appologize in advance if I've failed to highlight
something that somebody deemed worth it."
* 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc: (156 commits)
pstore: Add hsize argument in write_buf call of pstore_ftrace_call
powerpc/fsl: add MPIC timer wakeup support
powerpc/mpic: create mpic subsystem object
powerpc/mpic: add global timer support
powerpc/mpic: add irq_set_wake support
powerpc/85xx: enable coreint for all the 64bit boards
powerpc/8xx: Erroneous double irq_eoi() on CPM IRQ in MPC8xx
powerpc/fsl: Enable CONFIG_E1000E in mpc85xx_smp_defconfig
powerpc/mpic: Add get_version API both for internal and external use
powerpc: Handle both new style and old style reserve maps
powerpc/hw_brk: Fix off by one error when validating DAWR region end
powerpc/pseries: Support compression of oops text via pstore
powerpc/pseries: Re-organise the oops compression code
pstore: Pass header size in the pstore write callback
powerpc/powernv: Fix iommu initialization again
powerpc/pseries: Inform the hypervisor we are using EBB regs
powerpc/perf: Add power8 EBB support
powerpc/perf: Core EBB support for 64-bit book3s
powerpc/perf: Drop MMCRA from thread_struct
powerpc/perf: Don't enable if we have zero events
...
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Commit:
e38c0a1fbc5803cbacdaac0557c70ac8ca5152e7
of/address: Handle #address-cells > 2 specially
broke real time clock access on Bimini, js2x, and similar powerpc
machines using the "maple" platform. That code was indirectly relying
on the old (broken) behaviour of the translation for the hypertransport
to ISA bridge.
This fixes it by treating hypertransport as a PCI bus
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Acked-by: Rob Herring <rob.herring@calxeda.com>
Signed-off-by: Grant Likely <grant.likely@linaro.org>
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Intuos4 WL is separately reporting power supply and battery
charging status - now hid-wacom is using that information.
Previously hid-wacom was wrongly treating "battery charging" bit
as "power supply connected". Now it should report battery charging,
battery discharging, battery full and power supply status.
Intuos4 WL sends reports when is in use (obvious) and when unplugging
power supply. If means that if the device is being charged, but it's not
being used it will never report "battery full". The same problem happens
after the device has been connected, but it's not in use - the
battery/ac status will be incorrect. Currently there is no mechanism to
ask the device to send a report containing battery/ac status.
Signed-off-by: Przemo Firszt <przemo@firszt.eu>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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'for-3.11/upstream' into for-linus
Conflicts:
drivers/hid/hid-core.c
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'for-3.11/i2c-hid-fixed' into for-linus
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The current i2c hid driver does not support sending HID output reports using
the output register for devices which support receiving reports through this
method. This patch determines which method to use to send output reports based
on the value of wMaxOutputLength in the device's HID descriptor.
Signed-off-by: Andrew Duggan <aduggan@synaptics.com>
Reviewed-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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The recent comment:
commit 7e83ccbecd608b971f340e951c9e84cd0343002f
md/raid10: Allow skipping recovery when clean arrays are assembled
Causes raid10 to skip a recovery in certain cases where it is safe to
do so. Unfortunately it also causes a reshape to be skipped which is
never safe. The result is that an attempt to reshape a RAID10 will
appear to complete instantly, but no data will have been moves so the
array will now contain garbage.
(If nothing is written, you can recovery by simple performing the
reverse reshape which will also complete instantly).
Bug was introduced in 3.10, so this is suitable for 3.10-stable.
Cc: stable@vger.kernel.org (3.10)
Cc: Martin Wilck <mwilck@arcor.de>
Signed-off-by: NeilBrown <neilb@suse.de>
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There is a bug in 'check_reshape' for raid5.c To checks
that the new minimum number of devices is large enough (which is
good), but it does so also after the reshape has started (bad).
This is bad because
- the calculation is now wrong as mddev->raid_disks has changed
already, and
- it is pointless because it is now too late to stop.
So only perform that test when reshape has not been committed to.
Signed-off-by: NeilBrown <neilb@suse.de>
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git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging
Pull hwmon updates from Guenter Roeck:
- new driver to support GMT G762/G763 pwm fan controllers
- add support for DS1631, DS1721, and DS1731 to ds1621 driver
- remove detect function from ds1621 driver as unreliable
- bug fixes in nct6775, iio_hwmon, and adm1021 drivers
- remove redundant platform_set_drvdata in various drivers
- add device tree support to ina2xx driver
* tag 'hwmon-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging:
hwmon: (ds1621) Fix temperature rounding operations
hwmon: (nct6775) Drop unsupported fan alarm attributes for NCT6775
hwmon: (nct6775) Fix temperature alarm attributes
Add support for GMT G762/G763 PWM fan controllers
hwmon: (ina2xx) Add device tree support to pass the shunt resistor
hwmon: (ds1621) Update documentation
hwmon: (ds1621) Add DS1731 chip support to ds1621 driver
hwmon: (iio_hwmon) add alias table
hwmon: (adm1021) Do not create min sysfs attributes for LM84
hwmon: (ds1621) Remove detect function
hwmon: (ds1621) Add ds1631 chip support to ds1621 driver and documentation
hwmon: (ds1621) Add ds1721 update interval sysfs attribute
hwmon: (ds1621) Add ds1721 chip support
hwmon: (w83627ehf) Remove redundant platform_set_drvdata()
hwmon: (ntc_thermistor) Remove redundant platform_set_drvdata()
hwmon: (i5k_amb) Remove redundant platform_set_drvdata()
hwmon: (coretemp) Remove redundant platform_set_drvdata()
hwmon: (abituguru3) Remove redundant platform_set_drvdata()
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git://git.kernel.org/pub/scm/linux/kernel/git/cooloney/linux-leds
Pull LED subsystem updates from Bryan Wu:
- lp55xx device tree updates
- mc13xxx driver updates
- some clean up
* 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/cooloney/linux-leds:
leds: mc13783: Fix "uninitialized variable" warning
leds: Convert led class driver from legacy pm ops to dev_pm_ops
leds: leds-mc13783: Add MC13892 LED support
leds: leds-mc13783: Prepare driver to support MC13892 LEDs
leds: renesas-tpu: cleanup a small type issue
leds: use platform_{get,set}_drvdata()
leds: leds-gpio: Let device core handle pinctrl
leds: lp5562: Properly setup of_device_id table
leds: lp5523: Properly setup of_device_id table
leds: lp5521: Properly setup of_device_id table
leds: lp5562: support the device tree feature
leds: lp55xx: support dynamic channel settings in the device tree structure
leds: leds-ns2: remove unnecessary platform_set_drvdata()
leds: leds-mc13783: remove unnecessary platform_set_drvdata()
leds: leds-gpio: remove unnecessary platform_set_drvdata()
leds: atmel-pwm: remove unnecessary platform_set_drvdata()
leds: lp55xx: add support for Device Tree bindings
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