- 18 Nov, 2009 6 commits
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Pallipadi, Venkatesh authored
ondemand and conservative governors are messing up time units in the code path where NO_HZ is not enabled and ignore_nice is set. The walltime idletime stored is in jiffies and nice time calculation is happening in microseconds. The problem was reported and diagnosed by Alexander here. http://marc.info/?l=linux-kernel&m=125752550404513&w=2 The patch below fixes this thinko. Reported-by: Alexander Miller <Miller@fmi.uni-stuttgart.de> Tested-by: Alexander Miller <Miller@fmi.uni-stuttgart.de> Signed-off-by: Venkatesh Pallipadi <venkatesh.pallipadi@intel.com> Signed-off-by: Dave Jones <davej@redhat.com>
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Rusty Russell authored
"[CPUFREQ] cpumask: avoid playing with cpus_allowed in speedstep-ich.c" changed the code to mistakenly pass the current cpu as the "processor" argument of speedstep_get_frequency(), whereas it should be the type of the processor. Addresses http://bugzilla.kernel.org/show_bug.cgi?id=14340 Based on a patch by Dave Mueller. Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> Acked-by: Dominik Brodowski <linux@brodo.de> Reported-by: Dave Mueller <dave.mueller@gmx.ch> Cc: <stable@kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Dave Jones <davej@redhat.com>
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Dmitry Monakhov authored
Currently on governer backup/restore path we storing governor's pointer. This is wrong because one may unload governor's module after cpu goes offline. As result use-after-free will take place on restored cpu. It is not easy to exploit this bug, but still we have to close this issue ASAP. Issue was introduced by following commit 084f3493 ##TESTCASE## #!/bin/sh -x modprobe acpi_cpufreq # Any non default governor, in may case it is "ondemand" modprobe cpufreq_ondemand echo ondemand > /sys/devices/system/cpu/cpu0/cpufreq/scaling_governor rmmod acpi_cpufreq rmmod cpufreq_ondemand modprobe acpi_cpufreq # << use-after-free here. Signed-off-by: Dmitry Monakhov <dmonakhov@openvz.org> Signed-off-by: Dave Jones <davej@redhat.com>
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John Villalovos authored
Removing the SMT/HT check, since the Errata doesn't mention Hyper-Threading. Adding in a printk, so that the user knows why acpi-cpufreq refuses to load. Also, once system is blacklisted, don't repeat checks to see if blacklisted. This also causes the message to only be printed once, rather than for each CPU. Signed-off-by: John L. Villalovos <john.l.villalovos@intel.com> Signed-off-by: Dave Jones <davej@redhat.com>
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Roel Kluin authored
Not makes it a bool before the comparison. Signed-off-by: Roel Kluin <roel.kluin@gmail.com> Signed-off-by: Dave Jones <davej@redhat.com>
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Krzysztof Helt authored
There is a typo in the longhaul detection code so only Longhaul v1 or Longhaul v3 is selected. The Longhaul v2 is not selected even for CPUs which are capable of. Tested on PCChips Giga Pro board. Frequency changes work and the Longhaul v2 detects that the board is not capable of changing CPU voltage. Signed-off-by: Krzysztof Helt <krzysztof.h1@wp.pl> Signed-off-by: Dave Jones <davej@redhat.com>
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- 17 Nov, 2009 16 commits
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git://oss.sgi.com/xfs/xfsLinus Torvalds authored
* 'for-linus' of git://oss.sgi.com/xfs/xfs: xfs: copy li_lsn before dropping AIL lock XFS bug in log recover with quota (bugzilla id 855)
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git://git.kernel.org/pub/scm/linux/kernel/git/dtor/inputLinus Torvalds authored
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input: Input: lifebook - fix settings for CF-72 Input: psmouse - fix breakage introduced by b7802c5c
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git://git.kernel.org/pub/scm/linux/kernel/git/sfrench/cifs-2.6Linus Torvalds authored
* git://git.kernel.org/pub/scm/linux/kernel/git/sfrench/cifs-2.6: cifs: clear server inode number flag while autodisabling
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Linus Torvalds authored
* master.kernel.org:/home/rmk/linux-2.6-arm: [ARM] pxa: ensure mfp is in correct range in mfp_{read,write} [ARM] pxa/hx4700: fix hx4700 touchscreen pressure values ARM: 5787/1: U300 COH 901 331 fixes ARM: Fix warning in sa1100-flash.c [ARM] Kirkwood: disable propagation of mbus error to the CPU local bus [ARM] pxa: fix incorrect mfp_to_gpio() conversion [ARM] pxa/colibri: fix AC97 ifdefs and add missing include [ARM] pxa: fix missing underscores in mfp-pxa910.h [ARM] pxa: fix interrupts number calculation when CONFIG_PXA_HAVE_ISA_IRQS=y
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git://git.kernel.org/pub/scm/linux/kernel/git/lrg/voltage-2.6Linus Torvalds authored
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/lrg/voltage-2.6: dereferencing freed memory regulator_fixed_voltage_remove() regulator: Fix check of unsigned return value and transmit errors in wm831x_gp_ldo_get_mode() regulator: Handle missing constraints in _regulator_disable()
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git://github.com/at91linux/linux-2.6-at91Linus Torvalds authored
* 'for-linus' of git://github.com/at91linux/linux-2.6-at91: at91: at91sam9g20ek modify dual slot evaluation kit
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git://git.kernel.org/pub/scm/linux/kernel/git/jdelvare/stagingLinus Torvalds authored
* 'hwmon-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jdelvare/staging: hwmon: (adt7475) Fix sysfs file names hwmon: (adt7475) Cache limits for 60 seconds hwmon: (adt7475) Fix temperature fault flags hwmon: (s3c-hwmon) Ignore invalid divider settings
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git://git.o-hand.com/linux-rpurdie-ledsLinus Torvalds authored
* 'for-linus' of git://git.o-hand.com/linux-rpurdie-leds: leds-gpio: fix possible crash on OF device unbinding backlight: Fix backlight limiting on spitz/corgi devices backlight: lcd - Fix wrong sizeof
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git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6Linus Torvalds authored
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6: ALSA: ice1724 - make some bitfields unsigned ALSA: hda - Dell Studio 1557 hd-audio quirk ALSA: ice1724 - Fix section mismatch in prodigy_hd2_resume() ALSA: hda - Add another Nvidia HDMI codec id (10de:0005) ALSA: hda: Use model=mb5 for MacBookPro 5,2
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git://git.kernel.org/pub/scm/linux/kernel/git/ryusuke/nilfs2Linus Torvalds authored
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ryusuke/nilfs2: nilfs2: deleted inconsistent comment in nilfs_load_inode_block() nilfs2: deleted struct nilfs_dat_group_desc nilfs2: fix lock order reversal in chcp operation
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Linus Torvalds authored
Merge branch 'hostprogs-wmissing-prototypes' of git://git.kernel.org/pub/scm/linux/kernel/git/josh/linux-misc * 'hostprogs-wmissing-prototypes' of git://git.kernel.org/pub/scm/linux/kernel/git/josh/linux-misc: Makefile: Add -Wmising-prototypes to HOSTCFLAGS oss: Mark loadhex static in hex2hex.c dtc: Mark various internal functions static dtc: Set "noinput" in the lexer to avoid an unused function drm: radeon: Mark several functions static in mkregtable arch/sparc/boot/*.c: Mark various internal functions static arch/powerpc/boot/addRamDisk.c: Mark several internal functions static arch/alpha/boot/tools/objstrip.c: Mark "usage" static Documentation/vm/page-types.c: Declare checked_open static genksyms: Mark is_reserved_word static kconfig: Mark various internal functions static kconfig: Make zconf.y work with current bison
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Stephen Rothwell authored
These values were only introduced during this release cycle, so it is still early enough to get them right. alpha uses the same values that are in asm-generic/fcntl.h, so just remove them. parisc uses the values interchanged for no apparent reason, so remove them to give us consistency across all architectures. Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Nathaniel W. Turner authored
Access to log items on the AIL is generally protected by m_ail_lock; this is particularly needed when we're getting or setting the 64-bit li_lsn on a 32-bit platform. This patch fixes a couple places where we were accessing the log item after dropping the AIL lock on 32-bit machines. This can result in a partially-zeroed log->l_tail_lsn if xfs_trans_ail_delete is racing with xfs_trans_ail_update, and in at least some cases, this can leave the l_tail_lsn with a zero cycle number, which means xlog_space_left will think the log is full (unless CONFIG_XFS_DEBUG is set, in which case we'll trip an ASSERT), leading to processes stuck forever in xlog_grant_log_space. Thanks to Adrian VanderSpek for first spotting the race potential and to Dave Chinner for debug assistance. Signed-off-by: Nathaniel W. Turner <nate@houseofnate.net> Reviewed-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Alex Elder <aelder@sgi.com>
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Jan Rekorajski authored
Hi, I was hit by a bug in linux 2.6.31 when XFS is not able to recover the log after a crash if fs was mounted with quotas. Gory details in XFS bugzilla: http://oss.sgi.com/bugzilla/show_bug.cgi?id=855. It looks like wrong struct is used in buffer length check, and the following patch should fix the problem. xfs_dqblk_t has a size of 104+32 bytes, while xfs_disk_dquot_t is 104 bytes long, and this is exactly what I see in system logs - "XFS: dquot too small (104) in xlog_recover_do_dquot_trans." Signed-off-by: Jan Rekorajski <baggins@sith.mimuw.edu.pl> Reviewed-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Alex Elder <aelder@sgi.com>
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Abner Holsinger authored
Panasonic CF-72 uses 6-byte protocol and does not need to be tied to a particular port. Signed-off-by: Abner Holsinger <9zabner@gmail.com> Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
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Jiri Kosina authored
Commit b7802c5c ("Input: psmouse - use boolean type") caused the synaptics_hardware variable to be completely useless, as it is constantly set to 'true' throughout the whole psmouse_extensions(). This was caused by the following hunk in the commit in question - int synaptics_hardware = 0; + bool synaptics_hardware = true; which is wrong and causes driver to issue extra reset when falling back to bare PS/2 protocol. Signed-off-by: Jiri Kosina <jkosina@suse.cz> Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
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- 16 Nov, 2009 18 commits
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Roel Kluin authored
Ensure we do not read/write outside array boundaries with a negative index. Signed-off-by: Roel Kluin <roel.kluin@gmail.com> Signed-off-by: Eric Miao <eric.y.miao@gmail.com>
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Paul Parsons authored
hx4700 touchscreen events were being dropped in ads7846_rx() because their pressure values consistently exceeded the platform maximum of 512; a sample of 256 pressure values were in the range 531 to 815. Doubling the platform maximum to 1024 allows hx4700 touchscreen events to pass the test. Signed-off-by: Paul Parsons <lost.distance@yahoo.com> Signed-off-by: Eric Miao <eric.y.miao@gmail.com>
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git://git.marvell.com/orionRussell King authored
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Linus Walleij authored
This will fix some small issues with the COH 901 331 RTC driver: - Interrupt is disabled after alarm so that we don't fire multiple interrupts. - We return 0 from the coh901331_alarm_irq_enable() ridding a compile warning. - We alter the name in the U300 device registry to match that of the driver so they sucessfully resolve. Signed-off-by: Linus Walleij <linus.walleij@stericsson.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Russell King authored
drivers/mtd/maps/sa1100-flash.c: In function 'sa1100_probe_subdev': drivers/mtd/maps/sa1100-flash.c:214: warning: format '%d' expects type 'int', but argument 3 has type 'uint64_t' Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Nicolas Ferre authored
at91sam9g20ek rev. C and onwards embed two SD/MMC slots. This patch modify the previous dual slot board definition to match the official rev. C board. It also allows the use of at91_mci SD/MMC driver in addition to the atmel-mci one. Some pins have been re-affected from leds or Ethernet phy IRQ to the SD/MMC slot A. This lead to a modification of those definitions. Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com> Acked-by: Andrew Victor <linux@maxim.org.za>
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Suresh Jayaraman authored
Fix the commit ec06aedd that intended to turn off querying for server inode numbers when server doesn't consistently support inode numbers. Presumably the commit didn't actually clear the CIFS_MOUNT_SERVER_INUM flag, perhaps a typo. Signed-off-by: Suresh Jayaraman <sjayaraman@suse.de> Acked-by: Jeff Layton <jlayton@redhat.com> Cc: Stable <stable@kernel.org> Signed-off-by: Steve French <sfrench@us.ibm.com>
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Dan Carpenter authored
Don't dereference drvdata after it has been freed. regards, dan carpenter Signed-off-by: Dan Carpenter <error27@gmail.com> Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Signed-off-by: Liam Girdwood <lrg@slimlogic.co.uk>
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Dmitry Eremin-Solenikov authored
If there are leds present in the OF tree, but the GPIOs for (some) of them are unavailable, led_data doesn't get populated with correct devices. Then, on device unbinding, one can crash the kernel. Workaround this by setting led->gpio to invalid value early. Signed-off-by: Dmitry Eremin-Solenikov <dbaryshkov@gmail.com> Signed-off-by: Richard Purdie <rpurdie@linux.intel.com>
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Pavel Machek authored
On spitz (& similar) machines, if battery is running low, backlight needs to be limited to lower step. Unfortunately, current code uses &= for limiting, turning backlight off completely for some backlight settings. Fix that. Signed-off-by: Pavel Machek <pavel@ucw.cz> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Richard Purdie <rpurdie@linux.intel.com>
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Jean Delvare authored
Which is why I have always preferred sizeof(struct foo) over sizeof(var). Signed-off-by: Jean Delvare <khali@linux-fr.org> Signed-off-by: Richard Purdie <rpurdie@linux.intel.com>
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Jean Delvare authored
The adt7475 driver creates pwm#_auto_channel_temp attributes instead of the standard pwm#_auto_channels_temp. Fix it. Signed-off-by: Jean Delvare <khali@linux-fr.org> Acked-by: Hans de Goede <hdegoede@redhat.com> Cc: Jordan Crouse <jordan@cosmicpenguin.net>
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Jean Delvare authored
The comment says that limits are cached for 60 seconds but the code actually caches them for only 2 seconds. Align the code on the comment, as 60 seconds makes more sense. Signed-off-by: Jean Delvare <khali@linux-fr.org> Acked-by: Hans de Goede <hdegoede@redhat.com> Cc: Jordan Crouse <jordan@cosmicpenguin.net>
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Jean Delvare authored
The logic of temperature fault flags is wrong, it shows faults when there are none and vice versa. Fix it. I can't believe this has been broken since the driver was added, 8 months ago, basically breaking temp1 and temp3, and nobody ever complained. Signed-off-by: Jean Delvare <khali@linux-fr.org> Acked-by: Hans de Goede <hdegoede@redhat.com> Cc: Jordan Crouse <jordan@cosmicpenguin.net>
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Ben Dooks authored
Avoid registering channels that have zero divider settings in them, as this will only lead to kernel OOPS from divide-by-zero when the sysfs entry is read. Signed-off-by: Ben Dooks <ben@simtec.co.uk> Signed-off-by: Jean Delvare <khali@linux-fr.org>
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Takashi Iwai authored
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Roel Kluin authored
If ret is unsigned, the checks for negative wm831x_reg_read() return values are wrong. The error value should be transmitted to its caller, e.g. wm831x_gp_ldo_get_status() which tests for a negative return value. Signed-off-by: Roel Kluin <roel.kluin@gmail.com> Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Signed-off-by: Liam Girdwood <lrg@slimlogic.co.uk>