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The name of each led channel can be configurable. For the compatibility,
the name is set to default value(xx:channelN) when 'name' is not defined.
Signed-off-by: Milo(Woogyom) Kim <milo.kim@ti.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Cc: Arun MURTHY <arun.murthy@stericsson.com>
Cc: Srinidhi Kasagar <srinidhi.kasagar@stericsson.com>
Cc: Richard Purdie <rpurdie@rpsys.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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A few new i2c-drivers came into the kernel which clear the
clientdata-pointer on exit or error. This is obsolete meanwhile, the
core will do it.
Signed-off-by: Wolfram Sang <w.sang@pengutronix.de>
Cc: NeilBrown <neilb@suse.de>
Cc: Richard Purdie <rpurdie@linux.intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Just a small tidy-up.
1) There is a NULL dereference if the tca allocation fails.
2) The call to cancel_work_sync() isn't needed because we haven't
scheduled any work.
3) The call to i2c_set_clientdata() isn't needed because the core
handles that automatically if probe() fails.
4) I added some curly braces for style reasons.
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Cc: Richard Purdie <rpurdie@rpsys.net>
Acked-by: NeilBrown <neilb@suse.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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"reseting" -> "resetting"
Signed-off-by: Masanari Iida <standby24x7@gmail.com>
Cc: Richard Purdie <rpurdie@rpsys.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Use for_each_clear_bit() to iterate over all the cleared bit in a
memory region.
Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Use for_each_clear_bit() to iterate over all the cleared bit in a
memory region.
Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com>
Cc: Stefano Panella <stefano.panella@csr.com>
Cc: David Vrabel <david.vrabel@csr.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Use for_each_clear_bit() to iterate over all the cleared bit in a
memory region.
Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com>
Cc: Martin Schwidefsky <schwidefsky@de.ibm.com>
Cc: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Use for_each_clear_bit() to iterate over all the cleared bit in a
memory region.
Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com>
Cc: David Woodhouse <dwmw2@infradead.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Introduce for_each_clear_bit() and for_each_clear_bit_from(). They are
similar to for_each_set_bit() and list_for_each_set_bit_from(), but they
iterate over all the cleared bits in a memory region.
Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com>
Cc: Robert Richter <robert.richter@amd.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Cc: David Woodhouse <dwmw2@infradead.org>
Cc: Martin Schwidefsky <schwidefsky@de.ibm.com>
Cc: Heiko Carstens <heiko.carstens@de.ibm.com>
Cc: Stefano Panella <stefano.panella@csr.com>
Cc: David Vrabel <david.vrabel@csr.com>
Cc: Sergei Shtylyov <sshtylyov@mvista.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Remove for_each_set_bit_cont() after confirming that no one uses
for_each_set_bit_cont() anymore.
[sfr@canb.auug.org.au: regmap: cope with bitops API change]
Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com>
Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Cc: Robert Richter <robert.richter@amd.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Cc: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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This renames for_each_set_bit_cont() to for_each_set_bit_from() because
it is analogous to list_for_each_entry_from() in list.h rather than
list_for_each_entry_continue().
This doesn't remove for_each_set_bit_cont() for now.
Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com>
Cc: Robert Richter <robert.richter@amd.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Fix build error when GPIO_CS5535 is not enabled:
drivers/built-in.o: In function `ot200_backlight_probe':
ot200_bl.c:(.text+0x205bf): undefined reference to `cs5535_gpio_set'
ot200_bl.c:(.text+0x205d1): undefined reference to `cs5535_gpio_set'
Signed-off-by: Randy Dunlap <rdunlap@xenotime.net>
Cc: Christian Gmeiner <christian.gmeiner@gmail.com>
Cc: Richard Purdie <rpurdie@rpsys.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Instead of using legacy suspend/resume methods, using newer dev_pm_ops
structure allows better control over power management.
Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Cc: Richard Purdie <rpurdie@rpsys.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Add support for pandora (openpandora.org) backlight.
It might look like all this could be done using pwm_bl.c instead, but
there is a need of special programming sequence when turning on the LED
driver chip or else it will misbehave. Doing this using pwm_bl.c would
require to use some register programming and pwm functions from platform
code, and ARM maintainers are allergic to driver-like code in /arch/arm
nowadays. The PMIC PWM driver is currently missing too, so pwm_bl.c
can't be used anyway.
Signed-off-by: Grazvydas Ignotas <notasas@gmail.com>
Cc: Richard Purdie <rpurdie@rpsys.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Add backlight driver for Bachmann's ot200 visualisation device. The
driver uses MFGPT 7 of CS5535 silicon to regulate the backlight.
[akpm@linux-foundation.org: remove redundant test of `brightness']
Signed-off-by: Christian Gmeiner <christian.gmeiner@gmail.com>
Cc: Lars-Peter Clausen <lars@metafoo.de>
Cc: Andres Salomon <dilinger@queued.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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THis driver supports TI LP8550/LP8551/LP8552/LP8553/LP8556 backlight
devices.
The brightness can be controlled by the I2C or PWM input. The lp855x
driver provides both modes. For the PWM control, pwm-specific functions
can be defined in the platform data. And some information can be read
via the sysfs(lp855x device attributes).
For details, please refer to Documentation/backlight/lp855x-driver.txt.
[axel.lin@gmail.com: add missing mutex_unlock in lp855x_read_byte() error path]
[axel.lin@gmail.com: check platform data in lp855x_probe()]
[axel.lin@gmail.com: small cleanups]
[dan.carpenter@oracle.com: silence a compiler warning]
[axel.lin@gmail.com: use id->driver_data to differentiate lp855x chips]
[akpm@linux-foundation.org: simplify boolean return expression]
Signed-off-by: Milo(Woogyom) Kim <milo.kim@ti.com>
Signed-off-by: Axel Lin <axel.lin@gmail.com>
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Cc: Richard Purdie <rpurdie@rpsys.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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The various devm_ functions allocate memory that is released when a driver
detaches. This patch uses these functions for data that is allocated in
the probe function of a platform device and is only freed in the remove
function.
Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>
Cc: Dimitris Papastamos <dp@opensource.wolfsonmicro.com>
Cc: Richard Purdie <rpurdie@rpsys.net>
Cc: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
Cc: Mark Brown <broonie@opensource.wolfsonmicro.com>
Acked-by: Michael Hennerich <michael.hennerich@analog.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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The various devm_ functions allocate memory that is released when a driver
detaches. This patch uses these functions for data that is allocated in
the probe function of a platform device and is only freed in the remove
function.
Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>
Cc: Dimitris Papastamos <dp@opensource.wolfsonmicro.com>
Cc: Richard Purdie <rpurdie@rpsys.net>
Cc: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
Cc: Mark Brown <broonie@opensource.wolfsonmicro.com>
Cc: Michael Hennerich <michael.hennerich@analog.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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The various devm_ functions allocate memory that is released when a driver
detaches. This patch uses these functions for data that is allocated in
the probe function of a platform device and is only freed in the remove
function.
Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>
Cc: Dimitris Papastamos <dp@opensource.wolfsonmicro.com>
Cc: Richard Purdie <rpurdie@rpsys.net>
Cc: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Cc: Michael Hennerich <michael.hennerich@analog.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Factor out some boilerplate code for spi driver registration into
module_spi_driver.
Signed-off-by: Axel Lin <axel.lin@gmail.com>
Acked-by: Jingoo Han <jg1.han@samsung.com>
Cc: Eric Miao <eric.y.miao@gmail.com>
Acked-by: Alberto Panizzo <alberto@amarulasolutions.com>
Cc: Donghwa Lee <dh09.lee@samsung.com>
Acked-by: Marek Vasut <marek.vasut@gmail.com>
Cc: Haavard Skinnemoen <hskinnemoen@atmel.com>
Cc: InKi Dae <inki.dae@samsung.com>
Cc: Dmitry Baryshkov <dbaryshkov@gmail.com>
Cc: Ben Dooks <ben-linux@fluff.org>
Cc: Richard Purdie <rpurdie@rpsys.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Factor out some boilerplate code for i2c driver registration into
module_i2c_driver.
Signed-off-by: Axel Lin <axel.lin@gmail.com>
Cc: Michael Hennerich <hennerich@blackfin.uclinux.org>
Cc: Dmitry Baryshkov <dbaryshkov@gmail.com>
Cc: Richard Purdie <rpurdie@rpsys.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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The maintainership of LTP is out of date, so update it.
Signed-off-by: Wanlong Gao <gaowanlong@cn.fujitsu.com>
Signed-off-by: Cyril Hrubis <chrubis@suse.cz>
Signed-off-by: Caspar Zhang <caspar@casparzhang.com>
Reviewed-by: Rishikesh K Rajak <rishikesh.rajak@hp.com>
Acked-by: Subrata Modak <tosubrata@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Russell King seems to be maintaining these. Might as well mark them with
the appropriate S: entry
Signed-off-by: Joe Perches <joe@perches.com>
Cc: Russell King <linux@arm.linux.org.uk>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Add missing S: status line to ALPHA.
Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Update the various git urls for name changes from 2.6.
Signed-off-by: Joe Perches <joe@perches.com>
Reviewed-by: Jesper Juhl <jj@chaosbits.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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The MCA section included a file referring to Machine Check rather than
Microchannel.
Rename the section to spell out Microchannel and drop the bad file
reference.
Reported-by: Greg Pearson <greg.pearson@hp.com>
Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Currently get_maintainer.pl reports moderated lists as open, which is just
wrong.
Signed-off-by: Richard Weinberger <richard@nod.at>
Acked-by: Joe Perches <joe@perches.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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When an "S:" status line is unavailable, use a default "unknown" role.
Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Revelation from Peter.
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Don Zickus <dzickus@redhat.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Thomas Gleixner <tglx@tglx.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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It fixes some 80-col wordwrappings and adds some consistency.
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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If the system is loaded while hotplugging a CPU we might end up with a
bogus hardlockup detection. This has been seen during LTP pounder test
executed in parallel with hotplug test.
The main problem is that enable_watchdog (called when CPU is brought up)
registers perf event which periodically checks per-cpu counter
(hrtimer_interrupts), updated from a hrtimer callback, but the hrtimer
is fired from the kernel thread.
This means that while we already do check for the hard lockup the kernel
thread might be sitting on the runqueue with zillions of tasks so there
is nobody to update the value we rely on and so we KABOOM.
Let's fix this by boosting the watchdog thread priority before we wake
it up rather than when it's already running. This still doesn't handle
a case where we have the same amount of high prio FIFO tasks but that
doesn't seem to be common. The current implementation doesn't handle
that case anyway so this is not worse at least.
Unfortunately, we cannot start perf counter from the watchdog thread
because we could miss a real lock up and also we cannot start the
hrtimer watchdog_enable because we there is no way (at least I don't
know any) to start a hrtimer from a different CPU.
[dzickus@redhat.com: fix compile issue with param]
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Reviewed-by: Mandeep Singh Baines <msb@chromium.org>
Signed-off-by: Michal Hocko <mhocko@suse.cz>
Signed-off-by: Don Zickus <dzickus@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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I just received another user's pleas for help when their init
mysteriously died. I again explained that they need to check whether it
died because of bad instruction, a segv, or something else. Which was
an annoying detour into writing a trivial C program to spawn his init
and print its exit code:
http://lists.busybox.net/pipermail/busybox/2012-January/077172.html
I hear you saying "just test it under /bin/sh". Well, the crashing init
_was_ /bin/sh.
Which prompted me to make kernel do this first step automatically. We can
print exit code, which makes it possible to see that death was from e.g.
SIGILL without writing test programs.
[akpm@linux-foundation.org: add 0x to hex number output]
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
Acked-by: Oleg Nesterov <oleg@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Userspace service managers/supervisors need to track their started
services. Many services daemonize by double-forking and get implicitly
re-parented to PID 1. The service manager will no longer be able to
receive the SIGCHLD signals for them, and is no longer in charge of
reaping the children with wait(). All information about the children is
lost at the moment PID 1 cleans up the re-parented processes.
With this prctl, a service manager process can mark itself as a sort of
'sub-init', able to stay as the parent for all orphaned processes
created by the started services. All SIGCHLD signals will be delivered
to the service manager.
Receiving SIGCHLD and doing wait() is in cases of a service-manager much
preferred over any possible asynchronous notification about specific
PIDs, because the service manager has full access to the child process
data in /proc and the PID can not be re-used until the wait(), the
service-manager itself is in charge of, has happened.
As a side effect, the relevant parent PID information does not get lost
by a double-fork, which results in a more elaborate process tree and
'ps' output:
before:
# ps afx
253 ? Ss 0:00 /bin/dbus-daemon --system --nofork
294 ? Sl 0:00 /usr/libexec/polkit-1/polkitd
328 ? S 0:00 /usr/sbin/modem-manager
608 ? Sl 0:00 /usr/libexec/colord
658 ? Sl 0:00 /usr/libexec/upowerd
819 ? Sl 0:00 /usr/libexec/imsettings-daemon
916 ? Sl 0:00 /usr/libexec/udisks-daemon
917 ? S 0:00 \_ udisks-daemon: not polling any devices
after:
# ps afx
294 ? Ss 0:00 /bin/dbus-daemon --system --nofork
426 ? Sl 0:00 \_ /usr/libexec/polkit-1/polkitd
449 ? S 0:00 \_ /usr/sbin/modem-manager
635 ? Sl 0:00 \_ /usr/libexec/colord
705 ? Sl 0:00 \_ /usr/libexec/upowerd
959 ? Sl 0:00 \_ /usr/libexec/udisks-daemon
960 ? S 0:00 | \_ udisks-daemon: not polling any devices
977 ? Sl 0:00 \_ /usr/libexec/packagekitd
This prctl is orthogonal to PID namespaces. PID namespaces are isolated
from each other, while a service management process usually requires the
services to live in the same namespace, to be able to talk to each
other.
Users of this will be the systemd per-user instance, which provides
init-like functionality for the user's login session and D-Bus, which
activates bus services on-demand. Both need init-like capabilities to
be able to properly keep track of the services they start.
Many thanks to Oleg for several rounds of review and insights.
[akpm@linux-foundation.org: fix comment layout and spelling]
[akpm@linux-foundation.org: add lengthy code comment from Oleg]
Reviewed-by: Oleg Nesterov <oleg@redhat.com>
Signed-off-by: Lennart Poettering <lennart@poettering.net>
Signed-off-by: Kay Sievers <kay.sievers@vrfy.org>
Acked-by: Valdis Kletnieks <Valdis.Kletnieks@vt.edu>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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In the statement
j->caplist[j->caps].handle = j->caps++;
there is no sequence point between the usage of j->caps on the LHS of
the assignment and the incrementation on its RHS. So it's not defined
in Standard C if j->caps is already incremented when used on the LHS
even though the postfix ++ operator is used. To properly fix that the
incrementation has to be done in a separate expression.
This fixes:
drivers/telephony/ixj.c: In function `add_caps':
drivers/telephony/ixj.c:5930:38: warning: operation on `j->caps' may be undefined [-Wsequence-point]
drivers/telephony/ixj.c:5950:38: warning: operation on `j->caps' may be undefined [-Wsequence-point]
drivers/telephony/ixj.c:5954:38: warning: operation on `j->caps' may be undefined [-Wsequence-point]
drivers/telephony/ixj.c:5965:39: warning: operation on `j->caps' may be undefined [-Wsequence-point]
drivers/telephony/ixj.c:5976:39: warning: operation on `j->caps' may be undefined [-Wsequence-point]
drivers/telephony/ixj.c:5988:39: warning: operation on `j->caps' may be undefined [-Wsequence-point]
drivers/telephony/ixj.c:5998:38: warning: operation on `j->caps' may be undefined [-Wsequence-point]
drivers/telephony/ixj.c:6003:38: warning: operation on `j->caps' may be undefined [-Wsequence-point]
drivers/telephony/ixj.c:6008:38: warning: operation on `j->caps' may be undefined [-Wsequence-point]
drivers/telephony/ixj.c:6013:38: warning: operation on `j->caps' may be undefined [-Wsequence-point]
drivers/telephony/ixj.c:6019:38: warning: operation on `j->caps' may be undefined [-Wsequence-point]
drivers/telephony/ixj.c:6026:39: warning: operation on `j->caps' may be undefined [-Wsequence-point]
drivers/telephony/ixj.c:6031:39: warning: operation on `j->caps' may be undefined [-Wsequence-point]
drivers/telephony/ixj.c:6036:39: warning: operation on `j->caps' may be undefined [-Wsequence-point]
drivers/telephony/ixj.c:6041:39: warning: operation on `j->caps' may be undefined [-Wsequence-point]
drivers/telephony/ixj.c:6049:39: warning: operation on `j->caps' may be undefined [-Wsequence-point]
drivers/telephony/ixj.c:6057:39: warning: operation on `j->caps' may be undefined [-Wsequence-point]
drivers/telephony/ixj.c:6065:39: warning: operation on `j->caps' may be undefined [-Wsequence-point]
drivers/telephony/ixj.c:6071:39: warning: operation on `j->caps' may be undefined [-Wsequence-point]
Signed-off-by: Uwe Kleine-König <uwe@kleine-koenig.org>
Cc: Lucas De Marchi <lucas.demarchi@profusion.mobi>
Cc: Greg KH <greg@kroah.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Cc: Eric Dumazet <eric.dumazet@gmail.com>
Cc: Mike Frysinger <vapier@gentoo.org>
Cc: Arun Sharma <asharma@fb.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Commit 33bf56106d9b ("feature removal of io_remap_page_range()") removed
io_remap_page_range(), but it is still included in some arch header
files. It has no in-tree users.
Signed-off-by: Javi Merino <javi.merino@arm.com>
Cc: Russell King <linux@arm.linux.org.uk>
Cc: Aurelien Jacquiot <a-jacquiot@ti.com>
Cc: Michal Simek <monstr@monstr.eu>
Cc: Jonas Bonn <jonas@southpole.se>
Cc: Randy Dunlap <rdunlap@xenotime.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Due to the alignment of following variables, these typically consume
more than just the single byte that 'bool' requires, and as there are a
few hundred instances, the cache pollution (not so much the waste of
memory) sums up. Put these variables into their own section, outside of
any half way frequently used memory range.
Do the same also to the __warned variable of rcu_lockdep_assert().
(Don't, however, include the ones used by printk_once() and alike, as
they can potentially be hot.)
Signed-off-by: Jan Beulich <jbeulich@suse.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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This addresses some header check warnings. DRM headers which include
"drm.h" have been excluded, as they indirectly include types.h.
Signed-off-by: Bobby Powers <bobbypowers@gmail.com>
Cc: Chris Ball <cjb@laptop.org>
Cc: Dave Airlie <airlied@linux.ie>
Cc: James Bottomley <James.Bottomley@HansenPartnership.com>
Cc: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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ARCH_HAS_NMI_WATCHDOG is a macro defined by arch, but config
HARDLOCKUP_DETECTOR depends on it. This is wrong, ARCH_HAS_NMI_WATCHDOG
has to be a Kconfig config, and arch's need it should select it
explicitly.
Signed-off-by: WANG Cong <xiyou.wangcong@gmail.com>
Acked-by: Don Zickus <dzickus@redhat.com>
Acked-by: Mike Frysinger <vapier@gentoo.org>
Cc: David Howells <dhowells@redhat.com>
Cc: David Miller <davem@davemloft.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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- Move open-coded filesystem magic numbers into magic.h
- Rearrange magic.h so that the filesystem-related constants are grouped
together.
Signed-off-by: Muthukumar R <muthur@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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As described in commit e6fa16ab9c1e ("signal: sigprocmask() should do
retarget_shared_pending()") the modification of current->blocked is
incorrect as we need to check whether the signal we're about to block is
pending in the shared queue.
Also, use the new helper function introduced in commit 5e6292c0f28f
("signal: add block_sigmask() for adding sigmask to current->blocked")
which centralises the code for updating current->blocked after
successfully delivering a signal and reduces the amount of duplicate
code across architectures. In the past some architectures got this code
wrong, so using this helper function should stop that from happening
again.
Acked-by: Oleg Nesterov <oleg@redhat.com>
Cc: Richard Weinberger <richard@nod.at>
Signed-off-by: Matt Fleming <matt.fleming@intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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If we fail to setup the signal stack frame then we don't need to restore
current->blocked because it is not modified by setup_signal_stack_*.
Acked-by: Oleg Nesterov <oleg@redhat.com>
Acked-by: Richard Weinberger <richard@nod.at>
Tested-by: Richard Weinberger <richard@nod.at>
Signed-off-by: Matt Fleming <matt.fleming@intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Fix code duplication in __unmap_hugepage_range(), such as pte_page() and
huge_pte_none().
Signed-off-by: Hillf Danton <dhillf@gmail.com>
Cc: Michal Hocko <mhocko@suse.cz>
Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Cc: Hugh Dickins <hughd@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Pull networking fixes from David Miller:
1) L2TP doesn't get autoloaded when you try to open an L2TP socket due
to a missing module alias, fix from Benjamin LaHaise.
2) Netlabel and RDS should propagate gfp flags given to them by
callers, fixes from Dan Carpeneter.
3) Recursive locking fix in usbnet wasn't bulletproof and can result in
objects going away mid-flight due to races, fix from Ming Lei.
4) Fix up some confusion about a bool module parameter in netfilter's
iptable_filter and ip6table_filter, from Rusty Russell.
5) If SKB recycling is used via napi_reuse_skb() we end up with
different amounts of headroom reserved than we had at the original
SKB allocation. Fix from Eric Dumazet.
6) Fix races in TG3 driver ring refilling, from Michael Chan.
7) We have callbacks for IPSEC replay notifiers, but some call sites
were not using the ops method and instead were calling one of the
implementations directly. Oops. Fix from Steffen Klassert.
8) Fix IP address validation properly in the bonding driver, the
previous fix only works with netlink where the subnet mask and IP
address are changed in one atomic operation. When 'ifconfig' ioctls
are used the IP address and the subnet mask are changed in two
distinct operations. Fix from Andy Gospodarek.
9) Provide a sky2 module operation to work around power management
issues with some BIOSes. From Stephen Hemminger.
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net:
usbnet: consider device busy at each recieved packet
bonding: remove entries for master_ip and vlan_ip and query devices instead
netfilter: remove forward module param confusion.
usbnet: don't clear urb->dev in tx_complete
usbnet: increase URB reference count before usb_unlink_urb
xfrm: Access the replay notify functions via the registered callbacks
xfrm: Remove unused xfrm_state from xfrm_state_check_space
RDS: use gfp flags from caller in conn_alloc()
netlabel: use GFP flags from caller instead of GFP_ATOMIC
l2tp: enable automatic module loading for l2tp_ppp
cnic: Fix parity error code conflict
tg3: Fix RSS ring refill race condition
sky2: override for PCI legacy power management
net: fix napi_reuse_skb() skb reserve
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git://git.kernel.org/pub/scm/linux/kernel/git/jwessel/kgdb
Pull KGDB/KDB updates from Jason Wessel:
"Fixes:
- Fix KDB keyboard repeat scan codes and leaked keyboard events
- Fix kernel crash with kdb_printf() for users who compile new
kdb_printf()'s in early code
- Return all segment registers to gdb on x86_64
Features:
- KDB/KGDB hook the reboot notifier and end user can control if it
stops, detaches or does nothing (updated docs as well)
- Notify users who use CONFIG_DEBUG_RODATA to use hw breakpoints"
* tag 'for_linus-3.4-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jwessel/kgdb:
kdb: Add message about CONFIG_DEBUG_RODATA on failure to install breakpoint
kdb: Avoid using dbg_io_ops until it is initialized
kgdb,debug_core: add the ability to control the reboot notifier
KDB: Fix usability issues relating to the 'enter' key.
kgdb,debug-core,gdbstub: Hook the reboot notifier for debugger detach
kgdb: Respect that flush op is optional
kgdb: x86: Return all segment registers also in 64-bit mode
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git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-ktest
Pull ktest changes from Steven Rostedt.
* tag 'ktest-v3.4' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-ktest:
ktest: Allow a test to override REBOOT_ON_SUCCESS
ktest: Fix SWITCH_TO_GOOD to also reboot the machine
ktest: Add SCP_TO_TARGET_INSTALL option
ktest: Add warning when bugs are ignored
ktest: Add INSTALL_MOD_STRIP=1 when installing modules
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Pull UBIFS changes from Artem Bityutskiy:
- Improve error messages
- Clean-up i_nlink management
- Minor clean-ups
* tag 'upstream-3.4-rc1' of git://git.infradead.org/linux-ubifs:
UBIFS: improve error messages
UBIFS: kill CUR_MAX_KEY_LEN macro
UBIFS: do not use inc_link when i_nlink is zero
UBIFS: make the dbg_lock spinlock static
UBIFS: increase dumps loglevel
UBIFS: amend recovery debugging message
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Pull UBI changes from Artem Bityutskiy:
- Reduce memory consumption
- Fix picking unknown blocks
- Fix error-path in 'ubi_scan()'
- Minor clean-ups
* tag 'upstream-3.4-rc1' of git://git.infradead.org/linux-ubi:
UBI: rename MOVE_CANCEL_BITFLIPS to MOVE_TARGET_BITFLIPS
UBI: rename peb_buf1 to peb_buf
UBI: reduce memory consumption
UBI: fix eraseblock picking criteria
UBI: fix documentation and improve readability
UBI: fix error handling in ubi_scan()
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git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux
Pull one pstore patch from Tony Luck
* tag 'pstore-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux:
pstore: Introduce get_reason_str() to pstore
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Pull XFS updates from Ben Myers:
"Scalability improvements for dquots, log grant code cleanups, plus
bugfixes and cleanups large and small"
Fix up various trivial conflicts that were due to some of the earlier
patches already having been integrated into v3.3 as bugfixes, and then
there were development patches on top of those. Easily merged by just
taking the newer version from the pulled branch.
* 'for-linus' of git://oss.sgi.com/xfs/xfs: (45 commits)
xfs: fallback to vmalloc for large buffers in xfs_getbmap
xfs: fallback to vmalloc for large buffers in xfs_attrmulti_attr_get
xfs: remove remaining scraps of struct xfs_iomap
xfs: fix inode lookup race
xfs: clean up minor sparse warnings
xfs: remove the global xfs_Gqm structure
xfs: remove the per-filesystem list of dquots
xfs: use per-filesystem radix trees for dquot lookup
xfs: per-filesystem dquot LRU lists
xfs: use common code for quota statistics
xfs: reimplement fdatasync support
xfs: split in-core and on-disk inode log item fields
xfs: make xfs_inode_item_size idempotent
xfs: log timestamp updates
xfs: log file size updates at I/O completion time
xfs: log file size updates as part of unwritten extent conversion
xfs: do not require an ioend for new EOF calculation
xfs: use per-filesystem I/O completion workqueues
quota: make Q_XQUOTASYNC a noop
xfs: include reservations in quota reporting
...
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