In the function prot_verify_write(), the kmap address 'daddr' is
incremented in the loop for each data page. Finally 'daddr' reaches
the next page boundary in the end of the loop, and the invalid address
is passed to kunmap_atomic().
Fix the issue by not incrementing 'daddr' in the loop and offsetting it
by the loop counter on demand.
Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com>
Acked-by: Douglas Gilbert <dgilbert@interlog.com>
Acked-by: "Martin K. Petersen" <martin.petersen@oracle.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
Bump driver version to v02.100.00.00.
Signed-off-by: Sreekanth Reddy <Sreekanth.Reddy@lsi.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
When Async scanning mode is enabled and device scanning is in progress,
devices should not be removed. But in actuality, devices are removed but
their transport layer entries are not removed. This causes error to add
the same device to the transport layer after host reset or diagnostic
reset.
So, in this patch, modified the code in such a way that device is not removed
when Async scanning mode is enabled and device scanning is in progress.
Signed-off-by: Sreekanth Reddy <Sreekanth.Reddy@lsi.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
Change set in MPI v2.5 Rev F(v2.5.1.1) specification and 2.00.29 header files
1. Added a bit to the IOCExceptions field of the IOCFacts Reply to indicate
that the IOC detected a partial memory failure.
2. Added ElapsedSeconds field to RAID Volume Indicator Structure. Added
Elapsed Seconds Valid flag to Flags field of this structure.
3. Added ElapsedSeconds field to Integrated RAID Operations Status Event Data.
4. Added two new AbortType values for TargetModeAbort Request, one to abort
all I/Os from a single initiator, and the other to abort only Command IUs.
5. Added a new chapter covering DMA Flags and Multicast Modes.
6. In the IOCSettings field of BIOS Page 1, modified the Adapter Support bits
description to specify X86 BIOS.
7. Marked bit 0 of the ControlFlags field of SAS IO Unit Page 1 as
obsolete. This was the Clear SATA Affiliation flag.
8. Added additional requirements for certain IOCs that support more than eight
MSI-x vectors.
Signed-off-by: Sreekanth Reddy <Sreekanth.Reddy@lsi.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
Infinite loop can occur if IOCStatus is not equal to
MPI2_IOCSTATUS_CONFIG_INVALID_PAGE value in the while loops in functions
_scsih_search_responding_sas_devices,
_scsih_search_responding_raid_devices and
_scsih_search_responding_expanders
So, Instead of checking for MPI2_IOCSTATUS_CONFIG_INVALID_PAGE value,
in this patch code is modified to check for IOCStatus not equals to
MPI2_IOCSTATUS_SUCCESS to break the while loop.
Signed-off-by: Sreekanth Reddy <Sreekanth.Reddy@lsi.com>
Cc: stable@vger.kernel.org
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
With some enclosures when LUN 0 is not created but LUN 1 or LUN X is created
then SCSI scan procedure calls target_alloc, slave_alloc call back functions
for LUN 0 and slave_destory() for same LUN 0.
In these kind of cases within slave_destroy, pointer to scsi_target in
_sas_device structure is set to NULL, following which when slave_alloc for LUN
1 is called then starget would not be set properly for this LUN. So,
scsi_target pointer pointing to NULL value would lead to a crash later in the
discovery procedure.
To solve this issue set the sas_device's scsi_target pointer to scsi_device's
scsi_target if it is NULL earlier in slave_alloc callback function.
Signed-off-by: Sreekanth Reddy <Sreekanth.Reddy@lsi.com>
Cc: stable@vger.kernel.org
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
Hardware timing requirements is updated in order to comply with firmware
requirement.
Signed-off-by: Sreekanth Reddy <Sreekanth.Reddy@lsi.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
The Copyright String in all mpt3sas files are changed to 2012-2013.
Signed-off-by: Sreekanth Reddy <Sreekanth.Reddy@lsi.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
Avoid that the fcport structure gets leaked if
bsg_job->request->msgcode == FC_BSG_HST_ELS_NOLOGIN, the fcport
allocation succeeds and the !vha->flags.online branch is taken.
This was detected by Coverity. However, Coverity does not recognize
that all qla2x00_process_els() callers specify either
FC_BSG_RPT_ELS or FC_BSG_HST_ELS_NOLOGIN in the field
bsg_job->request->msgcode and that the value of that field is not
modified inside that function. This results in a false positive
report about a possible memory leak in an error path for
bsg_job->request->msgcode values other than the two mentioned
values. Make it easy for Coverity (and for humans) to recognize
that there is no fcport leak in the error path by changing the
bsg_job->request->msgcode == FC_BSG_HST_ELS_NOLOGIN test into
bsg_job->request->msgcode != FC_BSG_RPT_ELS.
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>
Change the 'rval' variable from QLA_FUNCTION_TIMEOUT into QLA_SUCCESS
before starting a loop that is only executed if rval is initialized
to QLA_SUCCESS. Coverity reported that loop as "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>
Coverity reports "Overrunning struct type ct_sns_req of 1228 bytes
by passing it to a function which accesses it at byte offset 8207"
for each qla2x00_prep_ct_req(), qla2x00_prep_ct_fdmi_req() and
qla24xx_prep_ct_fm_req() call. Help Coverity to recognize that
these calls do not trigger a buffer overflow by making it explicit
that these three functions initializes both the request and reply
structures. This patch does not change any functionality.
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>
The value of the pointer called "nxt" is not used after the
"nxt = qla24xx_copy_eft(ha, nxt)" statement. Hence keep the function
call but remove the assignment.
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>
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>
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>
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>
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>
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>
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>
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>
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>
Signed-off-by: K. Y. Srinivasan <kys@microsoft.com>
Reviewed-by: Haiyang Zhang <haiyangz@microsoft.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
Signed-off-by: K. Y. Srinivasan <kys@microsoft.com>
Reviewed-by: Haiyang Zhang <haiyangz@microsoft.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
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>
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>
UBI device numbers when attaching MTD devices by using the "mtd="
module parameter.
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Merge tag 'upstream-3.11-rc1' of git://git.infradead.org/linux-ubi
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
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.
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Merge tag 'devicetree-for-linus' of git://git.secretlab.ca/git/linux
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
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
...
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>
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
...
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).
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
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Merge tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi
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()
...
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
...
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
...
Mostly fixes with a few minor features (e.g. "last_sync_action" sysfs file).
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Merge tag 'md-3.11' of git://neil.brown.name/md
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
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
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>
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>
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>
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>
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>
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>
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>
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
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>
