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* 'v4l_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media:
[media] omap3isp: Fix crash caused by subdevs now having a pointer to devnodes
* 'for-linus' of git://neil.brown.name/md:
md/bitmap: It is OK to clear bits during recovery.
md: don't give up looking for spares on first failure-to-add
md/raid5: ensure correct assessment of drives during degraded reshape.
md/linear: fix hot-add of devices to linear arrays.
commit d0a4bb4927 introduced a
regression which is annoying but fairly harmless.
When writing to an array that is undergoing recovery (a spare
in being integrated into the array), writing to the array will
set bits in the bitmap, but they will not be cleared when the
write completes.
For bits covering areas that have not been recovered yet this is not a
problem as the recovery will clear the bits. However bits set in
already-recovered region will stay set and never be cleared.
This doesn't risk data integrity. The only negatives are:
- next time there is a crash, more resyncing than necessary will
be done.
- the bitmap doesn't look clean, which is confusing.
While an array is recovering we don't want to update the
'events_cleared' setting in the bitmap but we do still want to clear
bits that have very recently been set - providing they were written to
the recovering device.
So split those two needs - which previously both depended on 'success'
and always clear the bit of the write went to all devices.
Signed-off-by: NeilBrown <neilb@suse.de>
Before performing a recovery we try to remove any spares that
might not be working, then add any that might have become relevant.
Currently we abort on the first spare that cannot be added.
This is a false optimisation.
It is conceivable that - depending on rules in the personality - a
subsequent spare might be accepted.
Also the loop does other things like count the available spares and
reset the 'recovery_offset' value.
If we abort early these might not happen properly.
So remove the early abort.
In particular if you have an array what is undergoing recovery and
which has extra spares, then the recovery may not restart after as
reboot as the could of 'spares' might end up as zero.
Reported-by: Anssi Hannula <anssi.hannula@iki.fi>
Signed-off-by: NeilBrown <neilb@suse.de>
While reshaping a degraded array (as when reshaping a RAID0 by first
converting it to a degraded RAID4) we currently get confused about
which devices are in_sync. In most cases we get it right, but in the
region that is being reshaped we need to treat non-failed devices as
in-sync when we have the data but haven't actually written it out yet.
Reported-by: Adam Kwolek <adam.kwolek@intel.com>
Signed-off-by: NeilBrown <neilb@suse.de>
commit d70ed2e4fa
broke hot-add to a linear array.
After that commit, metadata if not written to devices until they
have been fully integrated into the array as determined by
saved_raid_disk. That patch arranged to clear that field after
a recovery completed.
However for linear arrays, there is no recovery - the integration is
instantaneous. So we need to explicitly clear the saved_raid_disk
field.
Signed-off-by: NeilBrown <neilb@suse.de>
* 'usb-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb:
USB: Fix usb/isp1760 build on sparc
usb: gadget: epautoconf: do not change number of streams
usb: dwc3: core: fix cached revision on our structure
usb: musb: fix reset issue with full speed device
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net:
net: Add a flow_cache_flush_deferred function
ipv4: reintroduce route cache garbage collector
net: have ipconfig not wait if no dev is available
sctp: Do not account for sizeof(struct sk_buff) in estimated rwnd
asix: new device id
davinci-cpdma: fix locking issue in cpdma_chan_stop
sctp: fix incorrect overflow check on autoclose
r8169: fix Config2 MSIEnable bit setting.
llc: llc_cmsg_rcv was getting called after sk_eat_skb.
net: bpf_jit: fix an off-one bug in x86_64 cond jump target
iwlwifi: update SCD BC table for all SCD queues
Revert "Bluetooth: Revert: Fix L2CAP connection establishment"
Bluetooth: Clear RFCOMM session timer when disconnecting last channel
Bluetooth: Prevent uninitialized data access in L2CAP configuration
iwlwifi: allow to switch to HT40 if not associated
iwlwifi: tx_sync only on PAN context
mwifiex: avoid double list_del in command cancel path
ath9k: fix max phy rate at rate control init
nfc: signedness bug in __nci_request()
iwlwifi: do not set the sequence control bit is not needed
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/sameo/mfd-2.6:
mfd: Include linux/io.h to jz4740-adc
mfd: Use request_threaded_irq for twl4030-irq instead of irq_set_chained_handler
mfd: Base interrupt for twl4030-irq must be one-shot
mfd: Handle tps65910 clear-mask correctly
mfd: add #ifdef CONFIG_DEBUG_FS guard for ab8500_debug_resources
mfd: Fix twl-core oops while calling twl_i2c_* for unbound driver
mfd: include linux/module.h for ab5500-debugfs
mfd: Update wm8994 active device checks for WM1811
mfd: Set tps6586x bits if new value is different from the old one
mfd: Set da903x bits if new value is different from the old one
mfd: Set adp5520 bits if new value is different from the old one
mfd: Add missed free_irq in da903x_remove
* 'for-greg' of git://git.kernel.org/pub/scm/linux/kernel/git/balbi/usb:
usb: gadget: epautoconf: do not change number of streams
usb: dwc3: core: fix cached revision on our structure
usb: musb: fix reset issue with full speed device
This commit:
commit 8f5d621543
Author: Joachim Foerster <joachim.foerster@missinglinkelectronics.com>
Date: Mon Oct 10 18:06:54 2011 +0200
usb/isp1760: Let OF bindings depend on general CONFIG_OF instead of PPC_OF .
To be able to use the driver on other OF-aware architectures, too.
And add necessary OF related #includes to fix compilation error.
Signed-off-by: Joachim Foerster <joachim.foerster@missinglinkelectronics.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
enabled the build on all CONFIG_OF architectures, but it cannot do
this.
This driver depends upon CONFIG_OF_IRQ but not all CONFIG_OF platforms
support that infrastructure, in particular Sparc does not so the
build fails.
Please push a patch like the following to Linus so that this code only
gets built where it actually should.
--------------------
usb/isp1760: Add missing CONFIG_OF_IRQ dependency on OF code.
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* git://git.infradead.org/mtd-2.6:
mtd: plat_ram: call mtd_device_register only if partition data exists
mtd: pxa2xx-flash.c: It used to fall back to provided table.
mtd: gpmi: add missing include 'module.h'
mtd: ndfc: fix typo in structure dereference
* 'timers-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
time/clocksource: Fix kernel-doc warnings
rtc: m41t80: Workaround broken alarm functionality
rtc: Expire alarms after the time is set.
* 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
oprofile: Fix uninitialized memory access when writing to writing to oprofilefs
* 'stable/for-linus-fixes-3.2' of git://git.kernel.org/pub/scm/linux/kernel/git/konrad/xen:
Revert "xen/pv-on-hvm kexec: add xs_reset_watches to shutdown watches from old kernel"
* 'drm-fixes' of git://people.freedesktop.org/~airlied/linux:
vmwgfx: Clip cliprects against screen boundaries in present and dirty
vmwgfx: Resend the cursor after legacy modeset
vmwgfx: Do better culling of presents
vmwgfx: Refactor kms code to use vmw_user_lookup_handle helper
vmwgfx: Add helper function to get surface or dmabuf
vmwgfx: Refactor cursor update
vmwgfx: Remove dmabuf check in present ioctl
vmwgfx: Use the revised fifo hw version register when present
If the BMC gets reset, it will return 0x80 response errors.
In less than a week
# grep "Error 80 on cmd 22" /var/log/kernel |wc -l
378681
In this case, it is probably a good idea to restore the IPMI settings.
Signed-off-by: Corey Minyard <cminyard@mvista.com>
Tested-by: Arkadiusz Miśkiewicz <a.miskiewicz@gmail.com>
Reported-by: Arkadiusz Miśkiewicz <a.miskiewicz@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Include linux/io.h to fix below build error:
CC drivers/mfd/jz4740-adc.o
drivers/mfd/jz4740-adc.c: In function 'jz4740_adc_irq_demux':
drivers/mfd/jz4740-adc.c:73: error: implicit declaration of function 'readb'
drivers/mfd/jz4740-adc.c: In function 'jz4740_adc_set_enabled':
drivers/mfd/jz4740-adc.c:110: error: implicit declaration of function 'writeb'
drivers/mfd/jz4740-adc.c: In function 'jz4740_adc_set_config':
drivers/mfd/jz4740-adc.c:146: error: implicit declaration of function 'readl'
drivers/mfd/jz4740-adc.c:151: error: implicit declaration of function 'writel'
drivers/mfd/jz4740-adc.c: In function 'jz4740_adc_probe':
drivers/mfd/jz4740-adc.c:249: error: implicit declaration of function 'ioremap_nocache'
drivers/mfd/jz4740-adc.c:249: warning: assignment makes pointer from integer without a cast
drivers/mfd/jz4740-adc.c:289: warning: passing argument 3 of 'mfd_add_devices' discards qualifiers from pointer target type
include/linux/mfd/core.h:93: note: expected 'struct mfd_cell *' but argument is of type 'const struct mfd_cell *'
drivers/mfd/jz4740-adc.c:299: error: implicit declaration of function 'iounmap'
make[2]: *** [drivers/mfd/jz4740-adc.o] Error 1
make[1]: *** [drivers/mfd] Error 2
make: *** [drivers] Error 2
Signed-off-by: Axel Lin <axel.lin@gmail.com>
Acked-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
irq_set_chained_handler sets 'desc->handle_irq'.
However this irq is called by handle_nested_irq from handle_twl4030_pih,
and that uses action->thread_fn.
So the handled set with irq_set_chained_handler is never called.
So change to use request_threaded_irq instead - that sets the correct field.
Tested on GTA04 Phoenux.
Signed-off-by: NeilBrown <neilb@suse.de>
Tested-by: Felipe Contreras <felipe.contreras@gmail.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
As the interrupt source is only cleared by the threaded interrupt
service routine, we need to make the base interrupt IRQF_ONESHOT.
Without this, the first interrupt from the TWL4030 cause the CPU to
enter an infinite loop trying to handle to interrupt but never
clearing it.
Signed-off-by: NeilBrown <neilb@suse.de>
Tested-by: Felipe Contreras <felipe.contreras@gmail.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
The function is not actually cleaing the bitmask.
Signed-off-by: Marcus Folkesson <marcus.folkesson@gmail.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
Fix below build warning if CONFIG_DEBUG_FS is disabled.
CC drivers/mfd/ab8500-core.o
drivers/mfd/ab8500-core.c:623: warning: 'ab8500_debug_resources' defined but not used
Signed-off-by: Axel Lin <axel.lin@gmail.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
Check inuse variable before trying to access twl_map to prevent
dereferencing of uninitialized variable.
Signed-off-by: Ilya Yanok <yanok@emcraft.com>
Cc: stable@kernel.org
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
Include linux/module.h to fix below build error:
CC drivers/mfd/ab5500-debugfs.o
drivers/mfd/ab5500-debugfs.c:571: error: 'THIS_MODULE' undeclared here (not in a function)
make[2]: *** [drivers/mfd/ab5500-debugfs.o] Error 1
Signed-off-by: Axel Lin <axel.lin@gmail.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
This didn't go in as part of the original MFD patch for WM1811 due to
cross tree issues.
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
It does not make sense to write new value only when all the bit_mask
bits are zero.
We need to write new value if the bit mask fields of new value is
not equal to old value.
Signed-off-by: Axel Lin <axel.lin@gmail.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
It does not make sense to write new value only when all the bit_mask
bits are zero.
We need to write new value if the bit mask fields of new value is
not equal to old value.
Signed-off-by: Axel Lin <axel.lin@gmail.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
Current code checks if all the bit_mask bits are all zero is wrong.
We need to write new value if the bit mask fields of new value is
not equal to old value.
Signed-off-by: Axel Lin <axel.lin@gmail.com>
Acked-by: Michael Hennerich <michael.hennerich@analog.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
You didn't mean this to be a bool.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Acked-by: Tony Olech <tony.olech@elandigitalsystems.com>
Cc: <stable@kernel.org>
Signed-off-by: Chris Ball <cjb@laptop.org>
When SDIO runtime PM was originally introduced, we immediately faced
two regressions with two different chipsets, and in response decided
not to enable it by default.
With the recent work on the 8686 we hoped we found all the gotchas,
so 08da834 did make sense (at least experimentally).
Unfortunately we now see that some setups out there still refuse to
work when SDIO runtime PM is enabled by default (see
http://www.spinics.net/lists/linux-mmc/msg11161.html), and obviously
we can't live with these kind of regressions.
This reverts commit 08da834a24.
Signed-off-by: Ohad Ben-Cohen <ohad@wizery.com>
Cc: Daniel Drake <dsd@laptop.org>
Signed-off-by: Chris Ball <cjb@laptop.org>
Drop the "state" argument from sdhci_suspend_host. Its only user is the
PCI glue; this allows to move all SDHCI glues to use dev_pm_ops instead.
Signed-off-by: Manuel Lauss <manuel.lauss@googlemail.com>
Acked-by: Adrian Hunter <adrian.hunter@intel.com>
Signed-off-by: Chris Ball <cjb@laptop.org>
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband:
IB/qib: Correct sense on freectxts increment and decrement
RDMA/cma: Verify private data length
IB/mlx4: Fix shutdown crash accessing a non-existent bitmap
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input:
Input: synaptics - fix touchpad not working after S2R on Vostro V13
Input: cma3000_d0x - fix signedness bug in cma3000_thread_irq()
Input: wacom - add product id used by Samsung Slate 7
Adds the device id needed for the USB Ethernet Adapter delivered by
ASUS with their Zenbook.
Signed-off-by: Aurelien Jacobs <aurel@gnuage.org>
Acked-by: Grant Grundler <grundler@chromium.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Free the channel lock before calling __cpdma_chan_process to prevent
dead lock.
Signed-off-by: Ilya Yanok <yanok@emcraft.com>
Tested-by: Ameya Palande <2ameya@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The MSIEnable bit is only available for the 8169.
Avoid Config2 writes for the post-8169 8168 and 810x.
Reported-by: Su Kang Yin <cantona@cantona.net>
Signed-off-by: Francois Romieu <romieu@fr.zoreil.com>
Cc: Hayes Wang <hayeswang@realtek.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Since we configure all the queues as CHAINABLE, we need to update the
byte count for all the queues, not only the AGGREGATABLE ones.
Not doing so can confuse the SCD and make the fw assert.
Cc: stable@vger.kernel.org
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Commit 53ab1c6498 ("IB/qib: Correct nfreectxts for multiple HCAs")
reversed the increments and decrements of dd->nfreectxts. Fix it.
Reviewed-by: Ram Vepa <ram.vepa@qlogic.com>
Signed-off-by: Mike Marciniszyn <mike.marciniszyn@qlogic.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
private_data_len is defined as a u8. If the user specifies a large
private_data size (> 220 bytes), we will calculate a total length that
exceeds 255, resulting in private_data_len wrapping back to 0. This
can lead to overwriting random kernel memory. Avoid this by verifying
that the resulting size fits into a u8.
Reported-by: B. Thery <benjamin.thery@bull.net>
Addresses: <http://bugs.openfabrics.org/bugzilla/show_bug.cgi?id=2335>
Signed-off-by: Sean Hefty <sean.hefty@intel.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
If oprofilefs_ulong_from_user() is called with count equals
zero, *val remains unchanged. Depending on the implementation it
might be uninitialized.
Change oprofilefs_ulong_from_user()'s interface to return count
on success. Thus, we are able to return early if count equals
zero which avoids using *val uninitialized. Fixing all users of
oprofilefs_ulong_ from_user().
This follows write syscall implementation when count is zero:
"If count is zero ... [and if] no errors are detected, 0 will be
returned without causing any other effect." (man 2 write)
Reported-By: Mike Waychison <mikew@google.com>
Signed-off-by: Robert Richter <robert.richter@amd.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: <stable@vger.kernel.org>
Cc: oprofile-list <oprofile-list@lists.sourceforge.net>
Link: http://lkml.kernel.org/r/20111219153830.GH16765@erda.amd.com
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This reverts commit ddacf5ef68.
As when booting the kernel under Amazon EC2 as an HVM guest it ends up
hanging during startup. Reverting this we loose the fix for kexec
booting to the crash kernels.
Fixes Canonical BZ #901305 (http://bugs.launchpad.net/bugs/901305)
Tested-by: Alessandro Salvatori <sandr8@gmail.com>
Reported-by: Stefan Bader <stefan.bader@canonical.com>
Acked-by: Ian Campbell <Ian.Campbell@citrix.com>
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Signed-off-by: Jakob Bornecrantz <jakob@vmware.com>
Reviewed-by: Thomas Hellstrom <thellstrom@vmware.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
