Commit Graph

312111 Commits (8c5bf7be56f1a8aecc1f802f132d53f556a9bc45)

Author SHA1 Message Date
Arnd Bergmann 78ee225fc1 Merge branch 'ux500/fixes-3.5' into fixes
From Lee Jones <lee.jones@linaro.org>:

* ux500/fixes-3.5:
  ARM: ux500: Over-ride the DT device naming scheme for pinctrl
  ARM: ux500: Fix build errors/warnings when MACH_UX500_DT is not set
  of: address: Don't fail a lookup just because a node has no reg property

I ended up rebasing Lee's branch on 3.5-rc5 because we have more patches
lined for 3.6 that depend on them, and I want to keep all branches in
arm-soc be based on -rc releases rather than random commits in the
upstream history.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2012-07-06 21:44:51 +02:00
Lee Jones 2b667a2d80 ARM: ux500: Over-ride the DT device naming scheme for pinctrl
When pin control mapping tables are written the registered device
name is supplied for use in name-based searches within the pinctrl
driver. In the case of the DB8500 the string "pinctrl-db8500" is
used. However, when we register the driver with Device Tree, its
naming convention uses something that looks more like "pinctrl.2".

To work around the device naming inconsistencies between devices
registered via platform code and the ones registered by Device
Tree, we use AUXDATA to over-ride the Device Tree naming scheme.

Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
2012-07-06 21:42:10 +02:00
Lee Jones c57920e6c2 ARM: ux500: Fix build errors/warnings when MACH_UX500_DT is not set
When MACH_UX500_DT and all related Device Tree configurations are forced
off the warning and error below prevent the kernel from compiling. This
simple patch fixes both issues and allows for full build and boot of
ST-Ericsson's low-cost development board, Snowball.

Warnings fixed:
  arch/arm/mach-ux500/board-mop500.c:680:32: warning: ‘snowball_of_platform_devs’ defined but not used

Errors fixed:
  arch/arm/mach-ux500/timer.c: In function ‘ux500_timer_init’:
  arch/arm/mach-ux500/timer.c:66:3: error: implicit declaration of function ‘of_find_matching_node’
  arch/arm/mach-ux500/timer.c:66:6: warning: assignment makes pointer from integer without a cast

Cc: stable@vger.kernel.org
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
2012-07-06 21:42:10 +02:00
Lee Jones 84774e6157 of: address: Don't fail a lookup just because a node has no reg property
Sometimes it doesn't make any sense for a node to have an address.
In this case device lookup will always be unsuccessful because we
currently assume every node will have a reg property. This patch
changes the semantics so that the resource address and the lookup
address will only be compared if one exists.

Things like AUXDATA() rely on of_dev_lookup to return the lookup
entry of a particular device in order to do things like apply
platform_data to a device. However, this is currently broken for
nodes which do not have a reg property, meaning that platform_data
can not be passed in those cases.

Acked-by: Rob Herring <rob.herring@calxeda.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
2012-07-06 21:42:10 +02:00
Lan Tianyu 336c5c310e usb: convert port_owners type from void * to struct dev_state *
This patch is to convert port_owners type from void * to struct dev_state *
in order to make code more readable.

Acked-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Lan Tianyu <tianyu.lan@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-07-06 11:09:28 -07:00
Richard Zhao 77c4400f2f USB: Chipidea: rename struct ci13xxx_udc_driver to struct ci13xxx_platform_data
This patch rename struct ci13xxx_udc_driver and var with the type.

ci13xxx_platform_data reflect it's passed from platfrom driver.

Signed-off-by: Richard Zhao <richard.zhao@freescale.com>
Reviewed-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-07-06 11:03:32 -07:00
Felipe Balbi 6bf83594e3 usb: chipidea: msm: add remove method
allow this driver to be removed too.

Signed-off-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Signed-off-by: Richard Zhao <richard.zhao@freescale.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-07-06 10:58:39 -07:00
Felipe Balbi 17d2fcc393 usb: chipidea: msm: add missing section annotation
No functional changes, it will just free up some
code if we don't have hotplug.

Signed-off-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Signed-off-by: Richard Zhao <richard.zhao@freescale.com>
Acked-by: Marek Vasut <marex@denx.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-07-06 10:58:39 -07:00
Felipe Balbi b2006d91d8 usb: chipidea: drop useless arch-check
msm glue layer compiles on all arches just
fine. Let's drop the unnecessary ARCH check
so we have easier compile tests.

Signed-off-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Signed-off-by: Richard Zhao <richard.zhao@freescale.com>
Acked-by: Marek Vasut <marex@denx.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-07-06 10:58:38 -07:00
Alexander Shishkin b7283d5a04 usb: chipidea: remove unneeded NULL check
As reported by Dan Carpenter, there is a NULL check in udc_start() that
follows a dereference of the pointer that's being checked. However, at
that point udc pointer shouldn't ever be NULL and if it is, the dereference
should cause an oops.

Signed-off-by: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Acked-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Richard Zhao <richard.zhao@freescale.com>
Acked-by: Marek Vasut <marex@denx.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-07-06 10:58:38 -07:00
Hans de Goede 3d97ff63f8 usbdevfs: Use scatter-gather lists for large bulk transfers
When using urb->transfer_buffer we need to allocate physical contiguous buffers
for the entire transfer, which is pretty much guaranteed to fail with large
transfers.

Currently userspace works around this by breaking large transfers into multiple
urbs. For large bulk transfers this leads to all kind of complications.

This patch makes it possible for userspace to reliable submit large bulk
transfers to scatter-gather capable host controllers in one go, by using a
scatterlist to break the transfer up in managable chunks.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-07-06 10:53:20 -07:00
Hans de Goede 19181bc50e usbdevfs: Add a USBDEVFS_GET_CAPABILITIES ioctl
There are a few (new) usbdevfs capabilities which an application cannot
discover in any other way then checking the kernel version. There are 3
problems with this:
1) It is just not very pretty.
2) Given the tendency of enterprise distros to backport stuff it is not
reliable.
3) As discussed in length on the mailinglist, USBDEVFS_URB_BULK_CONTINUATION
does not work as it should when combined with USBDEVFS_URB_SHORT_NOT_OK
(which is its intended use) on devices attached to an XHCI controller.
So the availability of these features can be host controller dependent,
making depending on them based on the kernel version not a good idea.

This patch besides adding the new ioctl also adds flags for the following
existing capabilities:

USBDEVFS_CAP_ZERO_PACKET,        available since 2.6.31
USBDEVFS_CAP_BULK_CONTINUATION,  available since 2.6.32, except for XHCI
USBDEVFS_CAP_NO_PACKET_SIZE_LIM, available since 3.3

Note that this patch only does not advertise the USBDEVFS_URB_BULK_CONTINUATION
cap for XHCI controllers, bulk transfers with this flag set will still be
accepted when submitted to XHCI controllers.

Returning -EINVAL for them would break existing apps, and in most cases the
troublesome scenario wrt USBDEVFS_URB_SHORT_NOT_OK urbs on XHCI controllers
will never get hit, so this would break working use cases.

The disadvantage of not returning -EINVAL is that cases were it is causing
real trouble may go undetected / the cause of the trouble may be unclear,
but this is the best we can do.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Acked-by: Sarah Sharp <sarah.a.sharp@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-07-06 10:53:19 -07:00
Hans de Goede 2102e06a5f usbdevfs: Correct amount of data copied to user in processcompl_compat
iso data buffers may have holes in them if some packets were short, so for
iso urbs we should always copy the entire buffer, just like the regular
processcompl does.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Acked-by: Alan Stern <stern@rowland.harvard.edu>
CC: stable@vger.kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-07-06 10:53:19 -07:00
Jeffrin Jose 02f824ac75 USB: class: cdc-acm: Fixed coding style issue.
Fixed coding style issue related to
prohibited space in drivers/usb/class/cdc-acm.c

Signed-off-by: Jeffrin Jose <ahiliation@yahoo.co.in>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-07-06 10:42:21 -07:00
Jingoo Han 9cb0756372 USB: ehci-s5p: use devm_ functions
The devm_ functions allocate memory that is released when a driver
detaches. This makes the code smaller and a bit simpler.

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-07-06 10:42:21 -07:00
Jingoo Han 390a0a7806 USB: ohci-exynos: use devm_ functions
The devm_ functions allocate memory that is released when a driver
detaches. This makes the code smaller and a bit simpler.

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-07-06 10:42:21 -07:00
Jingoo Han e864abed54 USB: ohci-exynos: add clock gating to suspend/resume
This patch adds clock gating to suspend and resume functions.

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-07-06 10:42:21 -07:00
Linus Torvalds af9b9a53fa Two MTD fixes for 3.5:
- Fix a logic error in OLPC CAFÉ NAND ready() function.
 - Fix regression due to bitflip handling changes.
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Merge tag 'for-linus-20120706' of git://git.infradead.org/linux-mtd

Pull two MTD fixes from David Woodhouse:
 - Fix a logic error in OLPC CAFÉ NAND ready() function.
 - Fix regression due to bitflip handling changes.

* tag 'for-linus-20120706' of git://git.infradead.org/linux-mtd:
  mtd: cafe_nand: fix an & vs | mistake
  mtd: nand: initialize bitflip_threshold prior to BBT scanning
2012-07-06 10:34:48 -07:00
Andy Lutomirski 9ab4233dd0 mm: Hold a file reference in madvise_remove
Otherwise the code races with munmap (causing a use-after-free
of the vma) or with close (causing a use-after-free of the struct
file).

The bug was introduced by commit 90ed52ebe4 ("[PATCH] holepunch: fix
mmap_sem i_mutex deadlock")

Cc: Hugh Dickins <hugh@veritas.com>
Cc: Miklos Szeredi <mszeredi@suse.cz>
Cc: Badari Pulavarty <pbadari@us.ibm.com>
Cc: Nick Piggin <npiggin@suse.de>
Cc: stable@vger.kernel.org
Signed-off-by: Andy Lutomirski <luto@amacapital.net>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2012-07-06 10:34:38 -07:00
Linus Torvalds 1b7fa4c271 Merge branch 'fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jlbec/ocfs2
Pull ocfs2 fixes from Joel Becker.

* 'fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jlbec/ocfs2:
  aio: make kiocb->private NUll in init_sync_kiocb()
  ocfs2: Fix bogus error message from ocfs2_global_read_info
  ocfs2: for SEEK_DATA/SEEK_HOLE, return internal error unchanged if ocfs2_get_clusters_nocache() or ocfs2_inode_lock() call failed.
  ocfs2: use spinlock irqsave for downconvert lock.patch
  ocfs2: Misplaced parens in unlikley
  ocfs2: clear unaligned io flag when dio fails
2012-07-06 10:04:39 -07:00
Linus Torvalds 064ea1ae80 Merge git://git.samba.org/sfrench/cifs-2.6
Pull cifs fixes from Steve French.

* git://git.samba.org/sfrench/cifs-2.6:
  cifs: when server doesn't set CAP_LARGE_READ_X, cap default rsize at MaxBufferSize
  cifs: fix parsing of password mount option
2012-07-06 10:02:12 -07:00
Linus Torvalds 1b74a8684e Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
Pull input layer fixes from Dmitry Torokhov:
 "Two fixes for regressions in Wacom driver and fixes for drivers using
  threaded IRQ framework without specifying IRQF_ONESHOT."

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input:
  Input: request threaded-only IRQs with IRQF_ONESHOT
  Input: wacom - don't retrieve touch_max when it is predefined
  Input: wacom - fix retrieving touch_max bug
  Input: fix input.h kernel-doc warning
2012-07-06 09:50:39 -07:00
Kay Sievers 68b6507dc5 kmsg: make sure all messages reach a newly registered boot console
We suppress printing kmsg records to the console, which are already printed
immediately while we have received their fragments.

Newly registered boot consoles print the entire kmsg buffer during
registration. Clear the console-suppress flag after we skipped the record
during its first storage, so any later print will see these records as usual.

Signed-off-by: Kay Sievers <kay@vrfy.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-07-06 09:50:09 -07:00
Kay Sievers cb424ffe9f kmsg: properly handle concurrent non-blocking read() from /proc/kmsg
The /proc/kmsg read() interface is internally simply wired up to a sequence
of syslog() syscalls, which might are racy between their checks and actions,
regarding concurrency.

In the (very uncommon) case of concurrent readers of /dev/kmsg, relying on
usual O_NONBLOCK behavior, the recently introduced mutex might block an
O_NONBLOCK reader in read(), when poll() returns for it, but another process
has already read the data in the meantime. We've seen that while running
artificial test setups and tools that "fight" about /proc/kmsg data.

This restores the original /proc/kmsg behavior, where in case of concurrent
read()s, poll() might wake up but the read() syscall will just return 0 to
the caller, while another process has "stolen" the data.

This is in the general case not the expected behavior, but it is the exact
same one, that can easily be triggered with a 3.4 kernel, and some tools
might just rely on it.

The mutex is not needed, the original integrity issue which introduced it,
is in the meantime covered by:
  "fill buffer with more than a single message for SYSLOG_ACTION_READ"
  116e90b23f

Cc: Yuanhan Liu <yuanhan.liu@linux.intel.com>
Acked-by: Jan Beulich <jbeulich@suse.com>
Signed-off-by: Kay Sievers <kay@vrfy.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-07-06 09:50:09 -07:00
Kay Sievers 43a73a50b3 kmsg: add the facility number to the syslog prefix
After the recent split of facility and level into separate variables,
we miss the facility value (always 0 for kernel-originated messages)
in the syslog prefix.

On Tue, Jul 3, 2012 at 12:45 PM, Dan Carpenter <dan.carpenter@oracle.com> wrote:
> Static checkers complain about the impossible condition here.
>
> In 084681d14e ('printk: flush continuation lines immediately to
> console'), we changed msg->level from being a u16 to being an unsigned
> 3 bit bitfield.

Cc: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Kay Sievers <kay@vrfy.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-07-06 09:50:09 -07:00
Kay Sievers e3f5a5f271 kmsg: escape the backslash character while exporting data
Non-printable characters in the log data are hex-escaped to ensure safe
post processing. We need to escape a backslash we find in the data, to be
able to distinguish it from a backslash we add for the escaping.

Also escape the non-printable character 127.

Thanks to Miloslav Trmac for the heads up.

Reported-by: Michael Neuling <mikey@neuling.org>
Signed-off-by: Kay Sievers <kay@vrfy.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-07-06 09:50:09 -07:00
liu chuansheng 5c53d819c7 printk: replacing the raw_spin_lock/unlock with raw_spin_lock/unlock_irq
In function devkmsg_read/writev/llseek/poll/open()..., the function
raw_spin_lock/unlock is used, there is potential deadlock case happening.
CPU1: thread1 doing the cat /dev/kmsg:
        raw_spin_lock(&logbuf_lock);
        while (user->seq == log_next_seq) {
when thread1 run here, at this time one interrupt is coming on CPU1 and running
based on this thread,if the interrupt handle called the printk which need the
logbuf_lock spin also, it will cause deadlock.

So we should use raw_spin_lock/unlock_irq here.

Acked-by: Kay Sievers <kay@vrfy.org>
Signed-off-by: liu chuansheng <chuansheng.liu@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-07-06 09:50:08 -07:00
Herton Ronaldo Krzesinski 596fd46268 mtd: nandsim: don't open code a do_div helper
We don't need to open code the divide function, just use div_u64 that
already exists and do the same job. While this is a straightforward
clean up, there is more to that, the real motivation for this.

While building on a cross compiling environment in armel, using gcc
4.6.3 (Ubuntu/Linaro 4.6.3-1ubuntu5), I was getting the following build
error:

ERROR: "__aeabi_uldivmod" [drivers/mtd/nand/nandsim.ko] undefined!

After investigating with objdump and hand built assembly version
generated with the compiler, I narrowed __aeabi_uldivmod as being
generated from the divide function. When nandsim.c is built with
-fno-inline-functions-called-once, that happens when
CONFIG_DEBUG_SECTION_MISMATCH is enabled, the do_div optimization in
arch/arm/include/asm/div64.h doesn't work as expected with the open
coded divide function: even if the do_div we are using doesn't have a
constant divisor, the compiler still includes the else parts of the
optimized do_div macro, and translates the divisions there to use
__aeabi_uldivmod, instead of only calling __do_div_asm -> __do_div64 and
optimizing/removing everything else out.

So to reproduce, gcc 4.6 plus CONFIG_DEBUG_SECTION_MISMATCH=y and
CONFIG_MTD_NAND_NANDSIM=m should do it, building on armel.

After this change, the compiler does the intended thing even with
-fno-inline-functions-called-once, and optimizes out as expected the
constant handling in the optimized do_div on arm. As this also avoids a
build issue, I'm marking for Stable, as I think is applicable for this
case.

Signed-off-by: Herton Ronaldo Krzesinski <herton.krzesinski@canonical.com>
Cc: stable@vger.kernel.org
Acked-by: Nicolas Pitre <nico@linaro.org>
Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
2012-07-06 16:59:33 +01:00
Mike Dunn 021796b892 mtd: ABI documentation: clarification of bitflip_threshold
The -EUCLEAN return value applies to mtd_read_oob() as well as mtd_read(), but
only mtd_read() was mentioned in the blurd on bitflip_threshold in the ABI
documentation.

Signed-off-by: Mike Dunn <mikedunn@newsguy.com>
Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
2012-07-06 15:10:06 +01:00
Sascha Hauer 6023813a2d mtd: gpmi-nand: fix read page when reading to vmalloced area
The gpmi-nand driver uses virt_addr_valid() to check whether a buffer
is suitable for dma. If it's not, a driver allocated buffer is used
instead. Then after a page read the driver allocated buffer must be
copied to the user supplied buffer. This does not happen since commit
7725cc8593.

This patch fixes the issue. The bug is encountered with UBI which uses a
vmalloced buffer for the volume table.

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Tested-by: snijsure@grid-net.com
Acked-by: Huang Shijie <b32955@freescale.com>
Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
2012-07-06 15:06:23 +01:00
Sascha Hauer 096bcc231f mtd: mxc_nand: use 32bit copy functions
The following commit changes the function used to copy from/to
the hardware buffer to memcpy_[from|to]io. This does not work
since the hardware cannot handle the byte accesses used by these
functions. Instead of reverting this patch introduce 32bit
correspondents of these functions.

| commit 5775ba36ea9c760c2d7e697dac04f2f7fc95aa62
| Author: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
| Date:   Tue Apr 24 10:05:22 2012 +0200
|
|    mtd: mxc_nand: fix several sparse warnings about incorrect address space
|
|     Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
|     Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Cc: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
2012-07-06 15:06:18 +01:00
Dan Carpenter 48f8b64129 mtd: cafe_nand: fix an & vs | mistake
The intent here was clearly to set result to true if the 0x40000000 flag
was set.  But instead there was a | vs & typo and we always set result
to true.

Artem: check the spec at
wiki.laptop.org/images/5/5c/88ALP01_Datasheet_July_2007.pdf
and this fix looks correct.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Cc: stable@vger.kernel.org
Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
2012-07-06 14:27:13 +01:00
Namhyung Kim 95c0d71dcb MAINTAINERS/sched: Update scheduler file pattern
The commit 391e43da79 ("sched: Move all scheduler bits into
kernel/sched/") moved all scheduler codes to the kernel/sched/
directory, but missed the MAINTAINERS. Since it still expects
files from kernel/ directory, get_maintainer script has to rely
on the git (log) fallback mechanism.

 $ scripts/get_maintainer.pl -f kernel/sched/core.c --nogit-fallback
 linux-kernel@vger.kernel.org (open list)

With this patch:

 $ scripts/get_maintainer.pl -f kernel/sched/core.c --nogit-fallback
 Ingo Molnar <mingo@redhat.com> (maintainer:SCHEDULER)
 Peter Zijlstra <peterz@infradead.org> (maintainer:SCHEDULER)
 linux-kernel@vger.kernel.org (open list)

Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Acked-by: Peter Zijlstra <peterz@infradead.org>
Link: http://lkml.kernel.org/r/1341326251-4140-1-git-send-email-namhyung@kernel.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>
2012-07-06 12:55:35 +02:00
Ingo Molnar 40b3c43f04 Merge branch 'rcu/urgent' of git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu into core/urgent
Pull low probability CONFIG_RCU_BOOST=y deadlock fix from Paul E. McKenney.

Signed-off-by: Ingo Molnar <mingo@kernel.org>
2012-07-06 11:18:50 +02:00
Tony Lindgren 5f37609759 Merge branch 'for_3.5/fixes/pm-3' of git://git.kernel.org/pub/scm/linux/kernel/git/khilman/linux-omap-pm into fixes 2012-07-06 01:58:23 -07:00
Takashi Iwai 9e9b594661 ALSA: usb-audio: Fix the first PCM interface assignment
In the new PCM streaming logic, the interface number is assigned to
usb stream instance (subs->interface) after the format and rate setups
are succeeded, but some codes are still passing subs->interface as the
reference to helper functions.  This leads to initializing with an
invalid iface number (-1).

This patch replaces the wrong references with the ones from the target
fmt correctly.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
2012-07-06 08:11:43 +02:00
Paul Walmsley 006c7f1844 ARM: OMAP2+: hwmod code/clockdomain data: fix 32K sync timer
Kevin discovered that commit c8d82ff68f
("ARM: OMAP2/3: hwmod data: Add 32k-sync timer data to hwmod
database") broke CORE idle on OMAP3.  This prevents device low power
states.

The root cause is that the 32K sync timer IP block does not support
smart-idle mode[1], and so the hwmod code keeps the IP block in
no-idle mode while it is active.  This in turn prevents the WKUP
clockdomain from transitioning to idle.  There is a hardcoded sleep
dependency that prevents the CORE_L3 and CORE_CM clockdomains from
transitioning to idle when the WKUP clockdomain is active[2], so the
chip cannot enter any device low power states.

It turns out that there is no need to take the 32k sync timer out of
idle.  The IP block itself probably does not have any native idle
handling at all, due to its simplicity.  Furthermore, the PRCM will
never request target idle for this IP block while the kernel is
running, due to the sleep dependency that prevents the WKUP
clockdomain from idling while the CORE_L3 clockdomain is active.  So
we can safely leave the 32k sync timer in target-force-idle mode, even
while we continue to access it.

This workaround is implemented by defining a new clockdomain flag,
CLKDM_ACTIVE_WITH_MPU, that indicates that the clockdomain is
guaranteed to be active whenever the MPU is inactive.  If an IP
block's main functional clock exists inside this clockdomain, and the
IP block does not support smart-idle modes, then the hwmod code will
place the IP block into target force-idle mode even when enabled.  The
WKUP clockdomains on OMAP3/4 are marked with this flag.  (On OMAP2xxx,
no OCP header existed on the 32k sync timer.)   Other clockdomains also
should be marked with this flag, but those changes are deferred until
a later merge window, to create a minimal fix.

Another theoretically clean fix for this problem would be to implement
PM runtime-based control for 32k sync timer accesses.  These PM
runtime calls would need to located in a custom clocksource, since the
32k sync timer is currently used as an MMIO clocksource.  But in
practice, there would be little benefit to doing so; and there would
be some cost, due to the addition of unnecessary lines of code and the
additional CPU overhead of the PM runtime and hwmod code - unnecessary
in this case.

Another possible fix would have been to modify the pm34xx.c code to
force the IP block idle before entering WFI.  But this would not have
been an acceptable approach: we are trying to remove this type of
centralized IP block idle control from the PM code.

This patch is a collaboration between Kevin Hilman <khilman@ti.com>
and Paul Walmsley <paul@pwsan.com>.

Thanks to Vaibhav Hiremath <hvaibhav@ti.com> for providing comments on
an earlier version of this patch.  Thanks to Tero Kristo
<t-kristo@ti.com> for identifying a bug in an earlier version of this
patch.  Thanks to Benoît Cousson <b-cousson@ti.com> for identifying
some bugs in several versions of this patch and for implementation
comments.

References:

1. Table 16-96 "REG_32KSYNCNT_SYSCONFIG" of the OMAP34xx TRM Rev. ZU
   (SWPU223U), available from:
   http://www.ti.com/pdfs/wtbu/OMAP34x_ES3.1.x_PUBLIC_TRM_vzU.zip

2. Table 4-72 "Sleep Dependencies" of the OMAP34xx TRM Rev. ZU
   (SWPU223U)

3. ibid.

Cc: Tony Lindgren <tony@atomide.com>
Cc: Vaibhav Hiremath <hvaibhav@ti.com>
Cc: Benoît Cousson <b-cousson@ti.com>
Cc: Tero Kristo <t-kristo@ti.com>
Tested-by: Kevin Hilman <khilman@ti.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
Signed-off-by: Kevin Hilman <khilman@ti.com>
2012-07-05 17:25:38 -07:00
Bjørn Mork b086b6b10d USB: cdc-wdm: fix lockup on error in wdm_read
Clear the WDM_READ flag on empty reads to avoid running
forever in an infinite tight loop, causing lockups:

Jul  1 21:58:11 nemi kernel: [ 3658.898647] qmi_wwan 2-1:1.2: Unexpected error -71
Jul  1 21:58:36 nemi kernel: [ 3684.072021] BUG: soft lockup - CPU#0 stuck for 23s! [qmi.pl:12235]
Jul  1 21:58:36 nemi kernel: [ 3684.072212] CPU 0
Jul  1 21:58:36 nemi kernel: [ 3684.072355]
Jul  1 21:58:36 nemi kernel: [ 3684.072367] Pid: 12235, comm: qmi.pl Tainted: P           O 3.5.0-rc2+ #13 LENOVO 2776LEG/2776LEG
Jul  1 21:58:36 nemi kernel: [ 3684.072383] RIP: 0010:[<ffffffffa0635008>]  [<ffffffffa0635008>] spin_unlock_irq+0x8/0xc [cdc_wdm]
Jul  1 21:58:36 nemi kernel: [ 3684.072388] RSP: 0018:ffff88022dca1e70  EFLAGS: 00000282
Jul  1 21:58:36 nemi kernel: [ 3684.072393] RAX: ffff88022fc3f650 RBX: ffffffff811c56f7 RCX: 00000001000ce8c1
Jul  1 21:58:36 nemi kernel: [ 3684.072398] RDX: 0000000000000010 RSI: 000000000267d810 RDI: ffff88022fc3f650
Jul  1 21:58:36 nemi kernel: [ 3684.072403] RBP: ffff88022dca1eb0 R08: ffffffffa063578e R09: 0000000000000000
Jul  1 21:58:36 nemi kernel: [ 3684.072407] R10: 0000000000000008 R11: 0000000000000246 R12: 0000000000000002
Jul  1 21:58:36 nemi kernel: [ 3684.072412] R13: 0000000000000246 R14: ffffffff00000002 R15: ffff8802281d8c88
Jul  1 21:58:36 nemi kernel: [ 3684.072418] FS:  00007f666a260700(0000) GS:ffff88023bc00000(0000) knlGS:0000000000000000
Jul  1 21:58:36 nemi kernel: [ 3684.072423] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
Jul  1 21:58:36 nemi kernel: [ 3684.072428] CR2: 000000000270d9d8 CR3: 000000022e865000 CR4: 00000000000007f0
Jul  1 21:58:36 nemi kernel: [ 3684.072433] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
Jul  1 21:58:36 nemi kernel: [ 3684.072438] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
Jul  1 21:58:36 nemi kernel: [ 3684.072444] Process qmi.pl (pid: 12235, threadinfo ffff88022dca0000, task ffff88022ff76380)
Jul  1 21:58:36 nemi kernel: [ 3684.072448] Stack:
Jul  1 21:58:36 nemi kernel: [ 3684.072458]  ffffffffa063592e 0000000100020000 ffff88022fc3f650 ffff88022fc3f6a8
Jul  1 21:58:36 nemi kernel: [ 3684.072466]  0000000000000200 0000000100000000 000000000267d810 0000000000000000
Jul  1 21:58:36 nemi kernel: [ 3684.072475]  0000000000000000 ffff880212cfb6d0 0000000000000200 ffff880212cfb6c0
Jul  1 21:58:36 nemi kernel: [ 3684.072479] Call Trace:
Jul  1 21:58:36 nemi kernel: [ 3684.072489]  [<ffffffffa063592e>] ? wdm_read+0x1a0/0x263 [cdc_wdm]
Jul  1 21:58:36 nemi kernel: [ 3684.072500]  [<ffffffff8110adb7>] ? vfs_read+0xa1/0xfb
Jul  1 21:58:36 nemi kernel: [ 3684.072509]  [<ffffffff81040589>] ? alarm_setitimer+0x35/0x64
Jul  1 21:58:36 nemi kernel: [ 3684.072517]  [<ffffffff8110aec7>] ? sys_read+0x45/0x6e
Jul  1 21:58:36 nemi kernel: [ 3684.072525]  [<ffffffff813725f9>] ? system_call_fastpath+0x16/0x1b
Jul  1 21:58:36 nemi kernel: [ 3684.072557] Code: <66> 66 90 c3 83 ff ed 89 f8 74 16 7f 06 83 ff a1 75 0a c3 83 ff f4

The WDM_READ flag is normally cleared by wdm_int_callback
before resubmitting the read urb, and set by wdm_in_callback
when this urb returns with data or an error.  But a crashing
device may cause both a read error and cancelling all urbs.
Make sure that the flag is cleared by wdm_read if the buffer
is empty.

We don't clear the flag on errors, as there may be pending
data in the buffer which should be processed.  The flag will
instead be cleared on the next wdm_read call.

Cc: stable <stable@vger.kernel.org>
Signed-off-by: Bjørn Mork <bjorn@mork.no>
Acked-by: Oliver Neukum <oneukum@suse.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-07-05 16:04:58 -07:00
Johan Hovold b7d28e32c9 USB: metro-usb: fix tty_flip_buffer_push use
Do not set low_latency flag at open as tty_flip_buffer_push must not be
called in IRQ context with low_latency set.

Cc: stable@vger.kernel.org
Signed-off-by: Johan Hovold <jhovold@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-07-05 16:04:57 -07:00
Gaosen Zhang aacef9c561 USB: option: Add MEDIATEK product ids
Signed-off-by: Gaosen Zhang <gaosen.zhang@mediatek.com>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-07-05 16:00:22 -07:00
Bjørn Mork 8e16e33c16 USB: option: add ZTE MF60
Switches into a composite device by ejecting the initial
driver CD.  The four interfaces are: QCDM, AT, QMI/wwan
and mass storage.  Let this driver manage the two serial
interfaces:

T:  Bus=02 Lev=01 Prnt=01 Port=01 Cnt=01 Dev#= 28 Spd=480  MxCh= 0
D:  Ver= 2.00 Cls=00(>ifc ) Sub=00 Prot=00 MxPS=64 #Cfgs=  1
P:  Vendor=19d2 ProdID=1402 Rev= 0.00
S:  Manufacturer=ZTE,Incorporated
S:  Product=ZTE WCDMA Technologies MSM
S:  SerialNumber=xxxxx
C:* #Ifs= 4 Cfg#= 1 Atr=c0 MxPwr=500mA
I:* If#= 0 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=ff Prot=ff Driver=option
E:  Ad=81(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
E:  Ad=01(O) Atr=02(Bulk) MxPS= 512 Ivl=4ms
I:* If#= 1 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=ff Prot=ff Driver=option
E:  Ad=82(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
E:  Ad=02(O) Atr=02(Bulk) MxPS= 512 Ivl=4ms
I:* If#= 2 Alt= 0 #EPs= 3 Cls=ff(vend.) Sub=ff Prot=ff Driver=qmi_wwan
E:  Ad=83(I) Atr=03(Int.) MxPS=  64 Ivl=2ms
E:  Ad=84(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
E:  Ad=03(O) Atr=02(Bulk) MxPS= 512 Ivl=4ms
I:* If#= 3 Alt= 0 #EPs= 2 Cls=08(stor.) Sub=06 Prot=50 Driver=usb-storage
E:  Ad=04(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
E:  Ad=85(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms

Signed-off-by: Bjørn Mork <bjorn@mork.no>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-07-05 15:57:18 -07:00
Greg Kroah-Hartman d25ae36934 xhci: Fix driver hang and resume error path.
Hi Greg,
 
 Here's two bug fixes for 3.5.  The first fixes an issue with port
 connections not being reported to the USB core after a system resume.
 The second fixes a driver hang when there are two back to back stalls on
 an endpoint.
 
 Sarah Sharp
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Merge tag 'for-usb-linus-2012-07-02' of git://git.kernel.org/pub/scm/linux/kernel/git/sarah/xhci into usb-linus

xhci: Fix driver hang and resume error path.

Hi Greg,

Here's two bug fixes for 3.5.  The first fixes an issue with port
connections not being reported to the USB core after a system resume.
The second fixes a driver hang when there are two back to back stalls on
an endpoint.

Sarah Sharp
2012-07-05 15:49:47 -07:00
Greg Kroah-Hartman ff9cce8277 usb: phy: patches for v3.6 merge window
We are starting to support multiple USB phys as
 we should thanks for Kishon's work. DeviceTree support
 for USB PHYs won't come until discussion with DeviceTree
 maintainer is finished.
 
 Together with that series, we have one fix for twl4030
 which missed a IRQF_ONESHOT annotation when requesting
 a threaded IRQ without a top half handler, and removal
 of an unused variable compilation warning to isp1301_omap.
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Merge tag 'xceiv-for-v3.6' of git://git.kernel.org/pub/scm/linux/kernel/git/balbi/usb into usb-next

usb: phy: patches for v3.6 merge window

We are starting to support multiple USB phys as
we should thanks for Kishon's work. DeviceTree support
for USB PHYs won't come until discussion with DeviceTree
maintainer is finished.

Together with that series, we have one fix for twl4030
which missed a IRQF_ONESHOT annotation when requesting
a threaded IRQ without a top half handler, and removal
of an unused variable compilation warning to isp1301_omap.
2012-07-05 15:35:41 -07:00
Greg Kroah-Hartman 933141509c usb: dwc3: patches for v3.6 merge window
lots of changes for the dwc3 driver which will make
 the driver a lot more stable and some changes which
 are just cosmetic.
 
 The bulk of changes is related to mis-defined macros
 which were never used before, some fixes to error path
 which e.g. prevent the driver from initiating two
 transfer on ep0out in case of stall, some fixes to
 request dequeueing and the End Transfer Command.
 
 We have some changes to U1/U2 handling where we were
 enabling those transtions at the wrong spot (though
 we haven't seen a problem from that as of today).
 
 A few patches will make it easier to add support for
 newer releases of the core by adding definitions for
 new registers and changing the code to act accordingly
 when certain revisions are detected.
 
 There's also the usual comestic changes to make the
 driver easier to maintain and make it easier for new-
 comers to understand the driver. Also one patch fixing
 a double inclusion of a header.
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Merge tag 'dwc3-for-v3.6' of git://git.kernel.org/pub/scm/linux/kernel/git/balbi/usb into usb-next

usb: dwc3: patches for v3.6 merge window

lots of changes for the dwc3 driver which will make
the driver a lot more stable and some changes which
are just cosmetic.

The bulk of changes is related to mis-defined macros
which were never used before, some fixes to error path
which e.g. prevent the driver from initiating two
transfer on ep0out in case of stall, some fixes to
request dequeueing and the End Transfer Command.

We have some changes to U1/U2 handling where we were
enabling those transtions at the wrong spot (though
we haven't seen a problem from that as of today).

A few patches will make it easier to add support for
newer releases of the core by adding definitions for
new registers and changing the code to act accordingly
when certain revisions are detected.

There's also the usual comestic changes to make the
driver easier to maintain and make it easier for new-
comers to understand the driver. Also one patch fixing
a double inclusion of a header.
2012-07-05 15:15:38 -07:00
Greg Kroah-Hartman 94ff447cf2 usb: gadget: patches for v3.6 merge window
This is quite a big pull request and contains patches
 all over the place.
 
 omap_udc is now a bit cleaner after removing omap2 support,
 fixing some checkpatch.pl warnings and errors, switching over
 to generic map/unmap routines and preventing a NULL pointer
 de-reference.
 
 s3c-hsotg has been switched over to devm_* API, got some
 locking fixes and improvements and it also got an implementation
 for the pullup() method.
 
 the mass storage gadgets changed default value of the removable
 parameter, dropped some unused options and made "file" and "ro"
 module_parameters read-only in some cases.
 
 ffs function got support for HID descriptor.
 
 Some UDCs have been converted to clk_prepare_enable() and
 clk_disable_unprepare().
 
 Marvell now got support for its USB3 controller in mainline
 after introducing its mv_u3d_core.c driver.
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Merge tag 'gadget-for-v3.6' of git://git.kernel.org/pub/scm/linux/kernel/git/balbi/usb into usb-next

usb: gadget: patches for v3.6 merge window

This is quite a big pull request and contains patches
all over the place.

omap_udc is now a bit cleaner after removing omap2 support,
fixing some checkpatch.pl warnings and errors, switching over
to generic map/unmap routines and preventing a NULL pointer
de-reference.

s3c-hsotg has been switched over to devm_* API, got some
locking fixes and improvements and it also got an implementation
for the pullup() method.

the mass storage gadgets changed default value of the removable
parameter, dropped some unused options and made "file" and "ro"
module_parameters read-only in some cases.

ffs function got support for HID descriptor.

Some UDCs have been converted to clk_prepare_enable() and
clk_disable_unprepare().

Marvell now got support for its USB3 controller in mainline
after introducing its mv_u3d_core.c driver.
2012-07-05 15:10:09 -07:00
Greg Kroah-Hartman 979eef3326 usb: musb: patches for v3.6 merge window
Just two patches here:
 
 First we have a fix to disable DMA in case DMA channel
 request fails.
 
 Second, there's a fix for situations where the user
 kills musb (by rmmod or any other means) while a
 transfer is on the fly. In such cases, we could be
 led into a NULL pointer dereference due to endpoint
 being disabled and endpoint descriptor being NULL.
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Merge tag 'musb-for-v3.6' of git://git.kernel.org/pub/scm/linux/kernel/git/balbi/usb into usb-next

usb: musb: patches for v3.6 merge window

Just two patches here:

First we have a fix to disable DMA in case DMA channel
request fails.

Second, there's a fix for situations where the user
kills musb (by rmmod or any other means) while a
transfer is on the fly. In such cases, we could be
led into a NULL pointer dereference due to endpoint
being disabled and endpoint descriptor being NULL.
2012-07-05 15:09:27 -07:00
Linus Torvalds c4aed353b1 ARM: SoC fixes for 3.5-rc
Small fixes on multiple ARM platforms
 * A build regression from a previous fix on dove and mv78xx0
 * Two fixes for recently (3.5-rc1) changed mmp/pxa code
 * multiple omap2+ bug fixes
 * two trivial fixes for i.MX
 * one v3.5 regression for mxs
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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 Arnd Bergmann:
 "Small fixes on multiple ARM platforms
   - A build regression from a previous fix on dove and mv78xx0
   - Two fixes for recently (3.5-rc1) changed mmp/pxa code
   - multiple omap2+ bug fixes
   - two trivial fixes for i.MX
   - one v3.5 regression for mxs"

* tag 'fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc:
  ARM: apx4devkit: fix FEC enabling PHY clock
  ARM: OMAP2+: hwmod data: Fix wrong McBSP clock alias on OMAP4
  ARM: OMAP4: hwmod data: temporarily comment out data for the usb_host_fs and aess IP blocks
  ARM: Orion: Fix WDT compile for Dove and MV78xx0
  ARM: mmp: remove mach/gpio-pxa.h
  ARM: imx: assert SCC gate stays enabled
  ARM: OMAP4: TWL6030: ensure sys_nirq1 is mux'd and wakeup enabled
  ARM: OMAP2: Overo: init I2C before MMC to fix MMC suspend/resume failure
  ARM: imx27_visstrim_m10: Do not include <asm/system.h>
  ARM: pxa: hx4700: Fix basic suspend/resume
2012-07-05 13:20:02 -07:00
Linus Torvalds 6bc51545da Merge git://git.kernel.org/pub/scm/virt/kvm/kvm
Pull KVM fix from Marcelo Tosatti:
 "Memory leak and oops on the x86 mmu code, and sanitization of the
  KVM_IRQFD ioctl."

* git://git.kernel.org/pub/scm/virt/kvm/kvm:
  KVM: MMU: fix shrinking page from the empty mmu
  KVM: fix fault page leak
  KVM: Sanitize KVM_IRQFD flags
  KVM: Add missing KVM_IRQFD API documentation
  KVM: Pass kvm_irqfd to functions
2012-07-05 13:16:21 -07:00
Linus Torvalds 24eee627eb Merge branch 'fixes-for-3.5' of git://git.kernel.org/pub/scm/linux/kernel/git/cooloney/linux-leds
Pull leds fix from Bryan Wu:
 "Fix for heartbeat led trigger driver"

* 'fixes-for-3.5' of git://git.kernel.org/pub/scm/linux/kernel/git/cooloney/linux-leds:
  leds: heartbeat: fix bug on panic
2012-07-05 13:09:37 -07:00
Linus Torvalds 5eecb9cc90 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfs
Pull btrfs updates from Chris Mason:
 "I held off on my rc5 pull because I hit an oops during log recovery
  after a crash.  I wanted to make sure it wasn't a regression because
  we have some logging fixes in here.

  It turns out that a commit during the merge window just made it much
  more likely to trigger directory logging instead of full commits,
  which exposed an old bug.

  The new backref walking code got some additional fixes.  This should
  be the final set of them.

  Josef fixed up a corner where our O_DIRECT writes and buffered reads
  could expose old file contents (not stale, just not the most recent).
  He and Liu Bo fixed crashes during tree log recover as well.

  Ilya fixed errors while we resume disk balancing operations on
  readonly mounts."

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfs:
  Btrfs: run delayed directory updates during log replay
  Btrfs: hold a ref on the inode during writepages
  Btrfs: fix tree log remove space corner case
  Btrfs: fix wrong check during log recovery
  Btrfs: use _IOR for BTRFS_IOC_SUBVOL_GETFLAGS
  Btrfs: resume balance on rw (re)mounts properly
  Btrfs: restore restriper state on all mounts
  Btrfs: fix dio write vs buffered read race
  Btrfs: don't count I/O statistic read errors for missing devices
  Btrfs: resolve tree mod log locking issue in btrfs_next_leaf
  Btrfs: fix tree mod log rewind of ADD operations
  Btrfs: leave critical region in btrfs_find_all_roots as soon as possible
  Btrfs: always put insert_ptr modifications into the tree mod log
  Btrfs: fix tree mod log for root replacements at leaf level
  Btrfs: support root level changes in __resolve_indirect_ref
  Btrfs: avoid waiting for delayed refs when we must not
2012-07-05 13:06:25 -07:00