| Commit message (Collapse) | Author | Age | Files | Lines |
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Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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It's not obvious that copy_from_user() is called with a sane length
parameter here. Even though it currently seems to be correct better
add a check to prevent stack corruption / exploits.
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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sys_recvmmsg is reachable via sys_socketcall. So unwire it again since
there is no point in having two entry points for it.
Also put it to the ignore list so we don't get reminded anymore in order
to wire it up.
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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...instead of adding a compat ioctl function which would do nothing
as well.
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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This one will trap, generates shorter code and emits better debug data
than the generic version.
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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Finally move it to the place where it belongs to and make get rid of
it for !CONFIG_SMP.
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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This is just a complicated construct which always returns -EINVAL.
Just remove it.
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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Remove pointless qualifier.
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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smp_processor_id() is supposed to work before setup_arch() gets called.
Before that smp_processor_id() may return just an arbitrary value that
is contained in the uninitialized boot lowcore.
So provide the arch function which will override the weak function in
init/main.c.
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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Make sure compiler won't do weird things with limits. E.g. fetching
them twice may return 2 different values after writable limits are
implemented.
I.e. either use rlimit helpers added in
3e10e716abf3c71bdb5d86b8f507f9e72236c9cd
or ACCESS_ONCE if not applicable.
Cc: Heiko Carstens <heiko.carstens@de.ibm.com>
Cc: linux390@de.ibm.com
Cc: linux-s390@vger.kernel.org
Signed-off-by: Jiri Slaby <jslaby@suse.cz>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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Add missing compat ptr conversion including two additional
whitespace changes that aren't worth a separate patch.
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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The TIF_USEDFPU bit is always 0 for s390 and it is not tested anywhere.
Remove the bit. At the same time remove the calls to clear_used_math()
as well. The PF_USED_MATH bit is never set for s390 either.
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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The code in do_signal sets the TIF_SINGLE_STEP bit and calls
tracehook_signal_handler after the signal frame has been set up.
This causes two SIGTRAP signals to be delivered to the tracer.
Stop setting the TIF_SINGLE_STEP bit in do_signal to get the
correct number of SIGTRAPs.
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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Clear the TIF_SINGLE_STEP bit in copy_thread. The new process did not get
a PER event of its own. It is wrong deliver a SIGTRAP that was meant for
the parent process.
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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If the current task enables / disables PER tracing for itself the
PER control registers need to be loaded in FixPerRegisters.
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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* git://git.infradead.org/battery-2.6:
pmu_battery: Fix battery full reporting
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Prior to this patch, pmu_battery was unable to report battery full
status. This patch fixes the issue by adding a proper handling code
into pmu_bat_get_property(): if we're on AC and the battery isn't
charging, then the battery is considered full.
Signed-off-by: Thomas Champagne <lafeuil@gmail.com>
Acked-By: David Woodhouse <David.Woodhouse@intel.com>
Signed-off-by: Anton Vorontsov <cbouatmailru@gmail.com>
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/sys/bus/pci/drivers/megaraid_sas/poll_mode_io defaults to being
world-writable, which seems bad (letting any user affect kernel driver
behavior).
This turns off group and user write permissions, so that on typical
production systems only root can write to it.
Signed-off-by: Bryn M. Reeves <bmr@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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* 'for-linus' of git://gitorious.org/linux-omap-dss2/linux:
OMAP: DSS2: OMAPFB: fix crash when panel driver was not loaded
OMAP: DSS2: Reject scaling settings when they cannot be supported
OMAP: DSS2: Make check-delay-loops consistent
OMAP: DSS2: OMAPFB: fix omapfb_free_fbmem()
video/omap: add __init/__exit macros to drivers/video/omap/lcd_htcherald.c
OMAP: DSS2: Fix compile warning
MAINTAINERS: Combine DSS2 and OMAPFB2 into one entry
MAINTAINERS: change omapfb maintainer
OMAP: OMAPFB: add dummy release function for omapdss
OMAP: OMAPFB: fix clk_get for RFBI
OMAP: DSS2: RFBI: convert to new kfifo API
OMAP: DSS2: Fix crash when panel doesn't define enable_te()
OMAP: DSS2: Collect interrupt statistics
OMAP: DSS2: DSI: print debug DCS cmd in hex
OMAP: DSS2: DSI: fix VC channels in send_short and send_null
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If the panel's probe had failed, omapfb would still go on, eventually
crashing.
A better fix would be to handle each display properly, and leaving just
the failed display out. But that is a bigger change.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@nokia.com>
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If the scaling ratio is below 0.5 video output width can't be identical
to the display width. Reject such settings.
Signed-off-by: Ville Syrjälä <ville.syrjala@nokia.com>
Acked-by: Tomi Valkeinen <tomi.valkeinen@nokia.com>
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Loops checking for certain condition were rather inconsistent.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@nokia.com>
Reported-by: Juha Leppanen <juha_motorsportcom@luukku.com>
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Fixes bug causing VRFB memory area to be released twice.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@nokia.com>
Reported-by: Eino-Ville Talvala <talvala@stanford.edu>
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Trivial patch which adds the __init/__exit macros to the module_init/
module_exit functions of
drivers/video/omap/lcd_htcherald.c
Please have a look at the small patch and either pull it through
your tree, or please ack' it so Jiri can pull it through the trivial
tree.
Patch against linux-next-tree, 22. Dez 08:38:18 CET 2009
but also present in linus tree.
Signed-off-by: Peter Huewe <peterhuewe@gmx.de>
Acked-by: Tony Lindgren <tony@atomide.com>
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Signed-off-by: Vaibhav Hiremath <hvaibhav@ti.com>
Acked-by: Tomi Valkeinen <tomi.valkeinen@nokia.com>
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There isn't really any reason to divide those.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@nokia.com>
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Signed-off-by: Tomi Valkeinen <tomi.valkeinen@nokia.com>
Acked-by: Imre Deak <imre.deak@nokia.com>
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This should fix:
WARNING: at drivers/base/core.c:131 device_release+0x68/0x7c()
Device 'omapdss' does not have a release() function, it is broken and
must be fixed.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@nokia.com>
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omapfb platform device was still used to get clocks inside rfbi.c
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@nokia.com>
Tested-by: Sergey Lapin <slapin@ossfans.org>
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Signed-off-by: Tomi Valkeinen <tomi.valkeinen@nokia.com>
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DSI driver didn't check if the panel driver actually implements
enable_te().
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@nokia.com>
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Collect interrupt statistics, printable via debugfs:
debugfs/omapdss/dispc_irq
debugfs/omapdss/dsi_irq
The counters are reset when printed.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@nokia.com>
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Signed-off-by: Tomi Valkeinen <tomi.valkeinen@nokia.com>
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- dsi_vc_send_short() needs to use dest_per for the peripheral id
- dsi_vc_send_null() was always using channel id 0
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@nokia.com>
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There are two copies of list_sort() in the tree already, one in the DRM
code, another in ubifs. Now XFS needs this as well. Create a generic
list_sort() function from the ubifs version and convert existing users
to it so we don't end up with yet another copy in the tree.
Signed-off-by: Dave Chinner <david@fromorbit.com>
Acked-by: Dave Airlie <airlied@redhat.com>
Acked-by: Artem Bityutskiy <dedekind@infradead.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Maybe this will stop people emailing me about it.
Signed-off-by: Dave Jones <davej@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/jgarzik/libata-dev
* 'upstream-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jgarzik/libata-dev:
libata: retry link resume if necessary
ata_piix: enable 32bit PIO on SATA piix
sata_promise: don't classify overruns as HSM errors
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Interestingly, when SIDPR is used in ata_piix, writes to DET in
SControl sometimes get ignored leading to detection failure. Update
sata_link_resume() such that it reads back SControl after clearing DET
and retry if it's not clear.
Signed-off-by: Tejun Heo <tj@kernel.org>
Reported-by: fengxiangjun <fengxiangjun@neusoft.com>
Reported-by: Jim Faulkner <jfaulkne@ccs.neu.edu>
Cc: stable@kernel.org
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
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Commit 871af1210f13966ab911ed2166e4ab2ce775b99d enabled 32bit PIO for
PATA piix but didn't for SATA. There's no reason not to use 32bit PIO
on SATA piix. Enable it.
Signed-off-by: Tejun Heo <tj@kernel.org>
Cc: Alan Cox <alan@lxorguk.ukuu.org.uk>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
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When sata_promise encounters an overrun or underrun error it
translates that to a libata AC_ERR_HSM, causing a hard reset.
Since over/under-runs were thought to be rare and transient,
this action seemed reasonable.
Unfortunately it turns out that the controller throws overrun
errors when e.g. hal polls a CD or DVD writer containing blank
media, causing long sequences of hard resets and retries before
EH finally gives up.
This patch updates sata_promise to classify over/under-runs as
AC_ERR_OTHER instead. This allows libata EH and upper layers to
retry or fail the operation as they see fit without the disruption
caused by repeated hard resets.
This fixes a problem using a DVD-RAM drive with sata_promise,
reported by Thomas Schorpp. I also tested it on a DVD-RW drive.
Signed-off-by: Mikael Pettersson <mikpe@it.uu.se>
Tested-by: thomas schorpp <thomas.schorpp@googlemail.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
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* master.kernel.org:/home/rmk/linux-2.6-arm:
ARM: Ensure ARMv6/7 mm files are built using appropriate assembler options
ARM: Fix wrong dmb
ARM: 5874/1: serial21285: fix disable_irq-from-interrupt-handler deadlock
ARM: 5873/1: ARM: Fix the reset logic for ARM RealView boards
ARM: 5872/1: ARM: include needed linux/cpu.h in asm/cpu.h
ARM: 5871/1: arch/arm: Fix build failure for lpd7a404_defconfig caused by missing includes
ARM: 5870/1: arch/arm: Fix build failure for defconfigs without CONFIG_ISA_DMA_API set
ARM: 5868/1: ARM: fix "BUG: using smp_processor_id() in preemptible code"
ARM: 5867/1: Update U300 defconfig
ARM: 5866/1: arm ptrace: use unsigned types for kernel pt_regs
[ARM] pxa: fix strange characters in zaurus gpio .desc
ARM: add missing recvmmsg syscall number
[ARM] pxa: fix compiler warnings of unused variable 'id' in cpu_is_pxa9*()
[ARM] pxa: update pwm_backlight->notify() to include missed 'struct device *'
[ARM] pxa: enable L2 if present in XSC3
[ARM] pxa: do not enable L2 after MMU is enabled
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A kernel with both ARMv6 and ARMv7 selected results in build errors.
Fix this by specifying the proper architectures for these assembly
files.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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The __kuser_cmpxchg code uses an ARMv6 dmb instruction, rather than
one based upon the architecture being built for. Switch to using
the macro provided for this purpose, which also eliminates the
need for an ifdef.
Acked-by: Nicolas Pitre <nico@fluxnic.net>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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The console hangs during bootup when disable_irq is called from the
transmit interrupt handler (it will wait forever for it's "own"
interrupt in synchronize_irq). Fix by using disable_irq_nosync()
instead.
Signed-off-by: Simon Kagstrom <simon.kagstrom@netinsight.net>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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