Commit Graph

131791 Commits

Author SHA1 Message Date
Trent Piepho
f63145e289 V4L/DVB (10516a): zoran: Update MAINTAINERS entry
Ronald Bultje hasn't been maintaining the zoran driver for some time.
Re-direct people to the mailing lists and web pages.

 MAINTAINERS |    6 +++---

Signed-off-by: Trent Piepho <xyzzy@speakeasy.org>
Acked-by: Jean Delvare <khali@linux-fr.org>
Acked-by: Ronald S. Bultje <rbultje@ronald.bitfreak.net>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2009-02-17 09:43:08 -03:00
Jiri Slaby
2b639386a2 HID: fix bus endianity in file2alias
Fix endianness of bus member of hid_device_id in modpost.

Signed-off-by: Jiri Slaby <jirislaby@gmail.com>
Reported-by: Nye Liu <nyet@mrv.com>
Cc: Jiri Kosina <jkosina@suse.cz>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2009-02-17 13:25:01 +01:00
Anssi Hannula
daedb3d6a9 HID: move tmff and zpff devices from ignore_list to blacklist
The devices handled by hid-tmff and hid-zpff were added in the
hid_ignore_list[] instead of hid_blacklist[] in hid-core.c, thus
disabling them completely.

hid_ignore_list[] causes hid layer to skip the device, while
hid_blacklist[] indicates there is a specific driver in hid bus.

Re-enable the devices by moving them to the correct list.

Signed-off-by: Anssi Hannula <anssi.hannula@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2009-02-17 13:25:01 +01:00
Dan Carpenter
dfd395aff4 HID: unlock properly on error paths in hidraw_ioctl()
We can't return immediately because lock_kernel() is held.

Signed-off-by: Dan Carpenter <error27@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2009-02-17 13:25:01 +01:00
Michael Tokarev
35cfd1d964 HID: blacklist Powercom USB UPS
For quite some time users with various UPSes from Powercom were forced to play
magic with bind/unbind in /sys in order to be able to see the UPSes.  The
beasts does not work as HID devices, even if claims to do so.  cypress_m8
driver works with the devices instead, creating a normal serial port with which
normal UPS controlling software works.

The manufacturer confirmed the upcoming models with proper HID support will
have different device IDs.  In any way, it's wrong to have two completely
different modules for one device in kernel.

Blacklist the device in HID (add it to hid_ignore_list) to stop this mess,
finally.

Signed-off-By: Michael Tokarev <mjt@tls.msk.ru>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2009-02-17 13:25:01 +01:00
Herbert Xu
8eb2dfac41 crypto: lrw - Fix big endian support
It turns out that LRW has never worked properly on big endian.
This was never discussed because nobody actually used it that
way.  In fact, it was only discovered when Geert Uytterhoeven
loaded it through tcrypt which failed the test on it.

The fix is straightforward, on big endian the to find the nth
bit we should be grouping them by words instead of bytes.  So
setbit128_bbe should xor with 128 - BITS_PER_LONG instead of
128 - BITS_PER_BYTE == 0x78.

Tested-by: Geert Uytterhoeven <Geert.Uytterhoeven@sonycom.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2009-02-17 20:00:11 +08:00
Ingo Molnar
73d3fd96e7 ftrace: fix !CONFIG_DYNAMIC_FTRACE ftrace_swapper_pid definition
Impact: build fix

Signed-off-by: Ingo Molnar <mingo@elte.hu>
2009-02-17 11:50:42 +01:00
Ingo Molnar
97d0bb8dcd ftrace: fix !CONFIG_FTRACE [un_]register_ftrace_command() prototypes
Impact: build fix

Signed-off-by: Ingo Molnar <mingo@elte.hu>
2009-02-17 11:47:39 +01:00
Ingo Molnar
f492d3f838 Merge branch 'tip/tracing/ftrace' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-2.6-trace into tracing/ftrace 2009-02-17 11:31:01 +01:00
Ingo Molnar
c4e2b432d5 Merge branches 'tracing/hw-branch-tracing' and 'tracing/power-tracer' into tracing/core 2009-02-17 11:29:53 +01:00
Rakib Mullick
dcd9651ecd mfd: Fix sm501_register_gpio section mismatch
WARNING: drivers/mfd/built-in.o(.text+0x1706): Section mismatch in
reference from the function sm501_register_gpio() to the function
.devinit.text:sm501_gpio_register_chip()
The function sm501_register_gpio() references
the function __devinit sm501_gpio_register_chip().
This is often because sm501_register_gpio lacks a __devinit
annotation or the annotation of sm501_gpio_register_chip is wrong.

Signed-off-by: Rakib Mullick <rakib.mullick@gmail.com>
Signed-off-by: Samuel Ortiz <sameo@openedhand.com>
2009-02-17 09:48:05 +01:00
Alexey Dobriyan
158abca5f6 mfd: fix sm501 section mismatches
drv => driver renaming is needed otherwise modpost will spit false positives
re pointing to __devinit function from regular data.

Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Cc: Ben Dooks <ben-linux@fluff.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Samuel Ortiz <sameo@openedhand.com>
2009-02-17 09:10:19 +01:00
Jean Delvare
8915e54028 mfd: terminate pcf50633 i2c_device_id list
The i2c_device_id list is supposed to be zero-terminated.

Signed-off-by: Jean Delvare <khali@linux-fr.org>
Cc: Balaji Rao <balajirrao@openmoko.org>
Signed-off-by: Samuel Ortiz <sameo@openedhand.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
2009-02-17 09:07:02 +01:00
Mark Brown
2f161f4485 mfd: Ensure all WM8350 IRQs are masked at startup
The IRQs might have been left enabled in hardware, generating spurious
IRQs before the drivers have registered.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Samuel Ortiz <sameo@openedhand.com>
2009-02-17 09:00:14 +01:00
Philipp Zabel
9427c34bc7 mfd: fix htc-egpio iomem resource handling using resource_size
Fixes an off-by-one error in the iomem resource mapping.

Signed-off-by: Philipp Zabel <philipp.zabel@gmail.com>
Signed-off-by: Samuel Ortiz <sameo@openedhand.com>
2009-02-17 09:00:14 +01:00
Mark Brown
a313d758cc mfd: Fix TWL4030 build on some ARM variants
Many ARM platforms do not provide a mach/cpu.h so rather than guarding
the use of that header with CONFIG_ARM guard it with the guards used
when testing for the OMAP variants in the body of the code.

Signed-off-by: Mark Brown <broonie@sirena.org.uk>
Acked-by: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Samuel Ortiz <sameo@openedhand.com>
2009-02-17 09:00:13 +01:00
Roel Kluin
29c6a2e6f8 mfd: wm8350 tries reaches -1
With a postfix decrement tries will reach -1 rather than 0,
so the warning will not be issued even upon timeout.

Signed-off-by: Roel Kluin <roel.kluin@gmail.com>
Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Samuel Ortiz <sameo@openedhand.com>
2009-02-17 09:00:13 +01:00
Mark Brown
a39a021fd7 mfd: Mark WM835x USB_SLV_500MA bit as accessible
The code is out of sync with the silicon.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Samuel Ortiz <sameo@openedhand.com>
2009-02-17 09:00:13 +01:00
Mark Brown
85c93ea7dc mfd: Improve diagnostics for WM8350 ID register probe
Check the return value of the device I/O functions when reading the
ID registers so we can provide a more useful diagnostic when we're
having trouble talking to the device.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Samuel Ortiz <sameo@openedhand.com>
2009-02-17 09:00:12 +01:00
Mark Brown
62571c29a8 mfd: Initialise WM8350 interrupts earlier
Ensure that the interrupt handling is configured before we do platform
specific init. This allows the platform specific initialisation to
configure things which use interrupts safely.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Samuel Ortiz <sameo@openedhand.com>
2009-02-17 09:00:11 +01:00
Julia Lawall
720fd66dfa mfd: Fix egpio kzalloc return test
Since ei is already known to be non-NULL, I assume that what was intended
was to test the result of kzalloc.

Signed-off-by: Julia Lawall <julia@diku.dk>
Signed-off-by: Samuel Ortiz <sameo@openedhand.com>
2009-02-17 09:00:10 +01:00
Steven Rostedt
e110e3d1ea ftrace: add pretty print function for traceon and traceoff hooks
This patch adds a pretty print version of traceon and traceoff
output for set_ftrace_filter.

  # echo 'sys_open:traceon:4' > set_ftrace_filter
  # cat set_ftrace_filter

 #### all functions enabled ####
 sys_open:traceon:count=4

Signed-off-by: Steven Rostedt <srostedt@redhat.com>
2009-02-16 23:38:13 -05:00
Steven Rostedt
809dcf29ce ftrace: add pretty print to selected fuction traces
This patch adds a call back for the tracers that have hooks to
selected functions. This allows the tracer to show better output
in the set_ftrace_filter file.

Signed-off-by: Steven Rostedt <srostedt@redhat.com>
2009-02-16 23:06:01 -05:00
Steven Rostedt
8fc0c701c5 ftrace: show selected functions in set_ftrace_filter
This patch adds output to show what functions have tracer hooks
attached to them.

  # echo 'sys_open:traceon:4' > /debug/tracing/set_ftrace_filter
  # cat set_ftrace_filter

 #### all functions enabled ####
 sys_open:ftrace_traceon:0000000000000004

  # echo 'do_fork:traceoff:' > set_ftrace_filter
  # cat set_ftrace_filter

 #### all functions enabled ####
 sys_open:ftrace_traceon:0000000000000002
 do_fork:ftrace_traceoff:ffffffffffffffff

Note the 4 changed to a 2. This is because The code was executed twice
since the traceoff was added. If a cat is done again:

 #### all functions enabled ####
 sys_open:ftrace_traceon
 do_fork:ftrace_traceoff:ffffffffffffffff

The number disappears. That is because it will not print a NULL.

Callbacks to allow the tracer to pretty print will be implemented soon.

Signed-off-by: Steven Rostedt <srostedt@redhat.com>
2009-02-16 22:50:06 -05:00
Steven Rostedt
23b4ff3aa4 ftrace: add traceon traceoff commands to enable/disable the buffers
This patch adds the new function selection commands traceon and
traceoff. traceon sets the function to enable the ring buffers
while traceoff disables the ring buffers.  You can pass in the
number of times you want the command to be executed when the function
is hit. It will only execute if the state of the buffers are not
already in that state.

Example:

 # echo do_fork:traceon:4

Will enable the ring buffers if they are disabled every time it
hits do_fork, up to 4 times.

 # echo sys_close:traceoff

This will disable the ring buffers every time (unlimited) when
sys_close is called.

Signed-off-by: Steven Rostedt <srostedt@redhat.com>
2009-02-16 22:50:04 -05:00
Steven Rostedt
988ae9d6b2 ring-buffer: add tracing_is_on to test if ring buffer is enabled
This patch adds the tracing_is_on() interface to tell if the ring
buffer is turned on or not.

Signed-off-by: Steven Rostedt <srostedt@redhat.com>
2009-02-16 22:50:01 -05:00
Steven Rostedt
59df055f19 ftrace: trace different functions with a different tracer
Impact: new feature

Currently, the function tracer only gives you an ability to hook
a tracer to all functions being traced. The dynamic function trace
allows you to pick and choose which of those functions will be
traced, but all functions being traced will call all tracers that
registered with the function tracer.

This patch adds a new feature that allows a tracer to hook to specific
functions, even when all functions are being traced. It allows for
different functions to call different tracer hooks.

The way this is accomplished is by a special function that will hook
to the function tracer and will set up a hash table knowing which
tracer hook to call with which function. This is the most general
and easiest method to accomplish this. Later, an arch may choose
to supply their own method in changing the mcount call of a function
to call a different tracer. But that will be an exercise for the
future.

To register a function:

 struct ftrace_hook_ops {
	void			(*func)(unsigned long ip,
					unsigned long parent_ip,
					void **data);
	int			(*callback)(unsigned long ip, void **data);
	void			(*free)(void **data);
 };

 int register_ftrace_function_hook(char *glob, struct ftrace_hook_ops *ops,
				  void *data);

glob is a simple glob to search for the functions to hook.
ops is a pointer to the operations (listed below)
data is the default data to be passed to the hook functions when traced

ops:
 func is the hook function to call when the functions are traced
 callback is a callback function that is called when setting up the hash.
   That is, if the tracer needs to do something special for each
   function, that is being traced, and wants to give each function
   its own data. The address of the entry data is passed to this
   callback, so that the callback may wish to update the entry to
   whatever it would like.
 free is a callback for when the entry is freed. In case the tracer
   allocated any data, it is give the chance to free it.

To unregister we have three functions:

  void
  unregister_ftrace_function_hook(char *glob, struct ftrace_hook_ops *ops,
				void *data)

This will unregister all hooks that match glob, point to ops, and
have its data matching data. (note, if glob is NULL, blank or '*',
all functions will be tested).

  void
  unregister_ftrace_function_hook_func(char *glob,
				 struct ftrace_hook_ops *ops)

This will unregister all functions matching glob that has an entry
pointing to ops.

  void unregister_ftrace_function_hook_all(char *glob)

This simply unregisters all funcs.

Signed-off-by: Steven Rostedt <srostedt@redhat.com>
2009-02-16 22:44:09 -05:00
Tejun Heo
7dac745b8e sata_nv: give up hardreset on nf2
Kernel bz#12176 reports that nf2 hardreset simply doesn't work.  Give
up.  Argh...

Signed-off-by: Tejun Heo <tj@kernel.org>
Cc: Robert Hancock <hancockr@shaw.ca>
Reported-by: Saro <saro_v@hotmail.it>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
2009-02-16 18:57:25 -05:00
Sergei Shtylyov
d1b3525b41 libata-sff: fix 32-bit PIO ATAPI regression
Commit 871af1210f (libata: Add 32bit
PIO support) has caused all kinds of errors on the ATAPI devices, so
it has been empirically proven that one shouldn't try to read/write
an extra data word when a device is not expecting it already. "Don't
do it then"; however, still use a chance to do 32-bit read/write one
last time when there are exactly 3 trailing bytes.

Oh, and stop pointlessly swapping the bytes to and fro on big-endian
machines by using io*_rep() accessors which shouldn't byte-swap.

This patch should fix the kernel.org bug #12609.

Signed-off-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
2009-02-16 18:55:56 -05:00
Steven Rostedt
e6ea44e9b4 ftrace: consolidate mutexes
Impact: clean up

Now that ftrace_lock is a mutex, there is no reason to have three
different mutexes protecting similar data. All the mutex paths
are not in hot paths, so having a mutex to cover more data is
not a problem.

This patch removes the ftrace_sysctl_lock and ftrace_start_lock
and uses the ftrace_lock to protect the locations that were protected
by these locks. By doing so, this change also removes some of
the lock nesting that was taking place.

There are still more mutexes in ftrace.c that can probably be
consolidated, but they can be dealt with later. We need to be careful
about the way the locks are nested, and by consolidating, we can cause
a recursive deadlock.

Signed-off-by: Steven Rostedt <srostedt@redhat.com>
2009-02-16 18:15:31 -05:00
Steven Rostedt
52baf11922 ftrace: convert ftrace_lock from a spinlock to mutex
Impact: clean up

The older versions of ftrace required doing the ftrace list
search under atomic context. Now all the calls are in non-atomic
context. There is no reason to keep the ftrace_lock as a spinlock.

This patch converts it to a mutex.

Signed-off-by: Steven Rostedt <srostedt@redhat.com>
2009-02-16 17:33:14 -05:00
Steven Rostedt
f6180773d9 ftrace: add command interface for function selection
Allow for other tracers to add their own commands for function
selection. This interface gives a trace the ability to name a
command for function selection. Right now it is pretty limited
in what it offers, but this is a building step for more features.

The :mod: command is converted to this interface and also serves
as a template for other implementations.

Signed-off-by: Steven Rostedt <srostedt@redhat.com>
2009-02-16 17:06:02 -05:00
Steven Rostedt
e68746a271 ftrace: enable filtering only when a function is filtered on
Impact: fix to prevent empty set_ftrace_filter and no ftrace output

The function filter is used to only trace a given set of functions.
The filter is enabled when a function name is echoed into the
set_ftrace_filter file. But if the name has a typo and the function
is not found, the filter is enabled, but no function is listed.

This makes a confusing situation where set_ftrace_filter is empty
but no functions ever get enabled for tracing.

For example:

 # cat /debug/tracing/set_ftrace_filter

  #### all functions enabled ####

 # echo bad_name > set_ftrace_filter
 # cat /debug/tracing/set_ftrace_filter

 # echo function > current_tracer
 # cat trace

  # tracer: nop
  #
  #           TASK-PID    CPU#    TIMESTAMP  FUNCTION
  #              | |       |          |         |

This patch changes that to only enable filtering if a function
is set to be filtered on. Now, the filter is not enabled if
a bad name is echoed into set_ftrace_filter.

Signed-off-by: Steven Rostedt <srostedt@redhat.com>
2009-02-16 17:03:49 -05:00
Joris van Rantwijk
3b03cc5b86 ALSA: usb-audio - Workaround for misdetected sample rate with CM6207
The CM6207 incorrectly advertises its 96 kHz playback setting as 48 kHz
in its USB device descriptor. This patch extends an existing workaround
in usbaudio.c to also cover the CM6207.

This resolves issue 0004249 in the ALSA bug tracker.

Signed-off-by: Joris van Rantwijk <jorispubl@xs4all.nl>
Cc: <stable@kernel.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2009-02-16 22:58:23 +01:00
Steven Rostedt
64e7c44061 ftrace: add module command function filter selection
This patch adds a "command" syntax to the function filtering files:

  /debugfs/tracing/set_ftrace_filter
  /debugfs/tracing/set_ftrace_notrace

Of the format:  <function>:<command>:<parameter>

The command is optional, and dependent on the command, so are
the parameters.

 echo do_fork > set_ftrace_filter

Will only trace 'do_fork'.

 echo 'sched_*' > set_ftrace_filter

Will only trace functions starting with the letters 'sched_'.

 echo '*:mod:ext3' > set_ftrace_filter

Will trace only the ext3 module functions.

 echo '*write*:mod:ext3' > set_ftrace_notrace

Will prevent the ext3 functions with the letters 'write' in
the name from being traced.

 echo '!*_allocate:mod:ext3' > set_ftrace_filter

Will remove the functions in ext3 that end with the letters
'_allocate' from the ftrace filter.

Although this patch implements the 'command' format, only the
'mod' command is supported. More commands to follow.

Signed-off-by: Steven Rostedt <srostedt@redhat.com>
2009-02-16 16:55:50 -05:00
Steven Rostedt
9f4801e30a ftrace: break up ftrace_match_records into smaller components
Impact: clean up

ftrace_match_records does a lot of things that other features
can use. This patch breaks up ftrace_match_records and pulls
out ftrace_setup_glob and ftrace_match_record.

ftrace_setup_glob prepares a simple glob expression for use with
ftrace_match_record. ftrace_match_record compares a single record
with a glob type.

Breaking this up will allow for more features to run on individual
records.

Signed-off-by: Steven Rostedt <srostedt@redhat.com>
2009-02-16 16:49:57 -05:00
Takashi Iwai
0412558c87 ALSA: usb-audio - Fix non-continuous rate detection
The detection of non-continuous rates (given via rate tables) isn't
processed properly (e.g. for type II).

This patch fixes and simplifies the detection code.

Tested-by: Joris van Rantwijk <jorispubl@xs4all.nl>
Cc: <stable@kernel.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2009-02-16 22:48:12 +01:00
Gregory CLEMENT
744f659272 [ARM] 5400/1: Add support for inverted rdy_busy pin for Atmel nand device controller
Add support for inverted rdy_busy pin for Atmel nand device controller
It will fix building error on NeoCore926 board.

Acked-by: Andrew Victor <linux@maxim.org.za>
Acked-by: David Woodhouse <David.Woodhouse@intel.com>
Signed-off-by: Gregory CLEMENT <gclement@adeneo.adetelgroup.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2009-02-16 21:40:39 +00:00
Steven Rostedt
7f24b31b01 ftrace: rename ftrace_match to ftrace_match_records
Impact: clean up

ftrace_match is too generic of a name. What it really does is
search all records and matches the records with the given string,
and either sets or unsets the functions to be traced depending
on if the parameter 'enable' is set or not.

This allows us to make another function called ftrace_match that
can be used to test a single record.

Signed-off-by: Steven Rostedt <srostedt@redhat.com>
2009-02-16 16:33:15 -05:00
Steven Rostedt
265c831cb0 ftrace: add do_for_each_ftrace_rec and while_for_each_ftrace_rec
Impact: clean up

To iterate over all the functions that dynamic trace knows about
it requires two for loops. One to iterate over the pages and the
other to iterate over the records within the page.

There are several duplications of these loops in ftrace.c. This
patch creates the macros do_for_each_ftrace_rec and
while_for_each_ftrace_rec to handle this logic, and removes the
duplicate code.

While making this change, I also discovered and fixed a small
bug that one of the iterations should exit the loop after it found the
record it was searching for. This used a break when it should have
used a goto, since there were two loops it needed to break out
from.  No real harm was done by this bug since it would only continue
to search the other records, and the code was in a slow path anyway.

Signed-off-by: Steven Rostedt <srostedt@redhat.com>
2009-02-16 16:25:12 -05:00
Steven Rostedt
0c75a3ed63 ftrace: state that all functions are enabled in set_ftrace_filter
Impact: clean up, make set_ftrace_filter less confusing

The set_ftrace_filter shows only the functions that will be traced.
But when it is empty, it will trace all functions. This can be a bit
confusing.

This patch makes set_ftrace_filter show:

  #### all functions enabled ####

When all functions will be traced, and we do not filter only a select
few.

Signed-off-by: Steven Rostedt <srostedt@redhat.com>
2009-02-16 16:21:35 -05:00
David Vrabel
a3c1239eb5 wusb: whci-hcd: always lock whc->lock with interrupts disabled
Always lock whc->lock with spin_lock_irq() or spin_lock_irqsave().

Signed-off-by: David Vrabel <david.vrabel@csr.com>
2009-02-16 14:37:12 +00:00
Clemens Ladisch
e156ac4c57 sound: usb-audio: fix uninitialized variable with M-Audio MIDI interfaces
Fix the snd_usbmidi_create_endpoints_midiman() function, which forgot to
set the out_interval member of the endpoint info structure for Midiman/
M-Audio devices.  Since kernel 2.6.24, any non-zero value makes the
driver use interrupt transfers instead of bulk transfers.  With EHCI
controllers, these random interval values result in unbearably large
latencies for output MIDI transfers.

Signed-off-by: Clemens Ladisch <clemens@ladisch.de>
Reported-by: David <devurandom@foobox.com>
Tested-by: David <devurandom@foobox.com>
Cc: <stable@kernel.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2009-02-16 15:31:48 +01:00
Takashi Iwai
d14a7e0bfc Revert "Sound: hda - Restore PCI configuration space with interrupts off"
This reverts commit 32e176c14d.

That commit caused a regression with suspend on Thinkpad SL300.

Reference: kernel bug#12711
	http://bugzilla.kernel.org/show_bug.cgi?id=12711

Tested-by:  Alexandre Rostovtsev <tetromino@gmail.com>
Acked-by: Rafael J. Wysocki <rjw@sisk.pl>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2009-02-16 10:16:27 +01:00
Rusty Russell
1371be0f7c cpumask: Use cpu_*_mask accessors code: alpha
Impact: use new API, fix SMP bug.

Use the new accessors rather than frobbing bits directly.

This also removes the bug introduced in ee0c468b (alpha: compile
fixes) which had Alpha setting bits on an on-stack cpumask, not the
cpu_online_map.

Cc: Richard Henderson <rth@twiddle.net>
Cc: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Signed-off-by: Mike Travis <travis@sgi.com>
Acked-by: Ivan Kokshaysky <ink@jurassic.park.msu.ru>
Acked-by: Ingo Molnar <mingo@elte.hu>
2009-02-16 17:32:00 +10:30
Rusty Russell
a0abd520fd cpumask: fix powernow-k8: partial revert of 2fdf66b491
Impact: fix powernow-k8 when acpi=off (or other error).

There was a spurious change introduced into powernow-k8 in this patch:
so that we try to "restore" the cpus_allowed we never saved.  We revert
that file.

See lkml "[PATCH] x86/powernow: fix cpus_allowed brokage when
acpi=off" from Yinghai for the bug report.

Cc: Mike Travis <travis@sgi.com>
Cc: Yinghai Lu <yinghai@kernel.org>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Acked-by: Ingo Molnar <mingo@elte.hu>
2009-02-16 17:31:59 +10:30
Dan Carpenter
090542641d ext4: Fix NULL dereference in ext4_ext_migrate()'s error handling
This was found through a code checker (http://repo.or.cz/w/smatch.git/). 
It looks like you might be able to trigger the error by trying to migrate 
a readonly file system.

Signed-off-by: Dan Carpenter <error27@gmail.com>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
2009-02-15 20:02:19 -05:00
Ingo Molnar
72b623c736 Merge branch 'tip/tracing/ftrace' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-2.6-trace into tracing/power-tracer 2009-02-15 20:43:03 +01:00
Rakib Mullick
a234aa9ecd tracing: fix section mismatch in trace_hw_branches.c
The function bts_trace_init() references a variable
bts_hotcpu_notifier which is marked
as __cpuinitdata. Thus causes section mismatch. This patch fixes it.

   LD      kernel/trace/built-in.o
 WARNING: kernel/trace/built-in.o(.text+0xc90c): Section mismatch in
 reference from the function bts_trace_init() to the variable
 .cpuinit.data:bts_hotcpu_notifier
 The function bts_trace_init() references
 the variable __cpuinitdata bts_hotcpu_notifier.
 This is often because bts_trace_init lacks a __cpuinitdata
 annotation or the annotation of bts_hotcpu_notifier is wrong.

 WARNING: kernel/trace/built-in.o(.text+0xc92a): Section mismatch in
 reference from the function bts_trace_reset() to the variable
 .cpuinit.data:bts_hotcpu_notifier
 The function bts_trace_reset() references
 the variable __cpuinitdata bts_hotcpu_notifier.
 This is often because bts_trace_reset lacks a __cpuinitdata
 annotation or the annotation of bts_hotcpu_notifier is wrong.

Signed-off-by: Rakib Mullick <rakib.mullick@gmail.com>
Cc: markus.t.metzger@gmail.com
Cc: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
2009-02-15 20:41:08 +01:00
Ingo Molnar
9abd603048 Merge branches 'tracing/ftrace' and 'tracing/urgent' into tracing/core
Conflicts:
	kernel/trace/trace_mmiotrace.c
2009-02-15 20:08:55 +01:00