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Use atomic_t as the ref count in glocks rather than a kref.
This is another step towards using RCU for the glock hash.
Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
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One last time..
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git://git.kernel.org/pub/scm/linux/kernel/git/viro/audit-current
* 'audit.b29' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/audit-current:
[PATCH] sparc64 audit syscall classes hookup
[PATCH] syscall class hookup for all normal targets
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* git://git.kernel.org/pub/scm/linux/kernel/git/sfrench/cifs-2.6:
[CIFS] Fix CIFS readdir access denied when SE Linux enabled
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* master.kernel.org:/pub/scm/linux/kernel/git/mchehab/v4l-dvb:
V4L/DVB (4608c): Fix I2C dependencies for saa7146 modules
V4L/DVB (4608b): i2c deps fix on DVB
V4L/DVB (4605): Fixes an issue with V4L1 and make headers-install
V4L/DVB (4520): Fix an error when loading bttv driver on PV M4900.
V4L/DVB (4511): Restore tuner_ymec_tvf66t5_b_dff_pal_ranges[] to fix UHF switch functionality
V4L/DVB (4494a): Fix compilation when V4L1 support is not present
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* master.kernel.org:/pub/scm/linux/kernel/git/gregkh/usb-2.6:
USB: Fix unload oops and memory leak in yealink driver
usbserial: Reference leak
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* master.kernel.org:/pub/scm/linux/kernel/git/lethal/sh64-2.6:
sh64: Add a sane pm_power_off implementation.
sh64: Use generic BUG_ON()/WARN_ON().
sh64: Trivial build fixes.
sh64: Drop deprecated ISA tuning for legacy toolchains.
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* git://oss.sgi.com:8090/xfs/xfs-2.6:
[XFS] Fix a bad pointer dereference in the quota statvfs handling.
[XFS] Fix xfs_splice_write() so appended data gets to disk.
[XFS] Fix ABBA deadlock between i_mutex and iolock. Avoid calling
[XFS] Prevent free space oversubscription and xfssyncd looping.
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This results in smaller list heads, so that we can have more chains
in the same amount of memory (twice as many). I've multiplied the
size of the table by four though - this is because we are saving
memory by not having one lock per chain any more. So we land up
using about the same amount of memory for the hash table as we
did before I started these changes, the difference being that we
now have four times as many hash chains.
The reason that I say "about the same amount of memory" is that the
actual amount now depends upon the NR_CPUS and some of the config
variables, so that its not exact and in some cases we do use more
memory. Eventually we might want to scale the hash table size
according to the size of physical ram as measured on module load.
Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
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This patch fixes a memory leak and a kernel oops when trying to unload
the driver, due to an unbalanced cleanup.
Thanks Ivar Jensen for spotting my mistake.
Signed-off-by: Henk Vergonet <henk.vergonet@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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A sufficiently-large number of USB serial devices causes a reference leak
when /proc/tty/drivers/usbserial is read.
Signed-Off-By: Matthias Urlichs <smurf@smurf.noris.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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... that should do it for all targets; the only remaining issues are
mips (currently treated as non-biarch) and handling of other OS
emulations (OSF/SunOS/Solaris/???). The latter would need to be
assigned new AUDIT_ARCH_... ABI numbers anyway...
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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Take default arch/*/kernel/audit.c to lib/, have those with special
needs (== biarch) define AUDIT_ARCH in their Kconfig.
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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sh64 wasn't providing a sensible pm_power_off(), add one,
and just wrap it to machine_power_off, which already does
the right thing.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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sh64 doesn't need to do anything special for BUG_ON() or
WARN_ON(), use the generic versions.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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While we've been sorting out the toolchain fiasco, some of
the code has suffered a bit of bitrot. Building with GCC4
also brings up some more build warnings. Trivial fixes for
both issues.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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The original sh64 toolchains required that we tune the ISA
level accordingly to not have head.S/entry.S blow up. With
current toolchains, this is no longer the case, and the
syntax magically changed as well, causing all current
toolchains to die a horrible death.
Incidentally, code generation in other parts of the kernel
is now significantly complex enough that none of the older
toolchains make it very far these days, so there's not
even any point in preserving legacy compatability via
as-option.
This fixes a long-standing issue, as noted here:
http://lkml.org/lkml/2005/1/5/223
Though at the time the current toolchains were too broken
to make adjusting the tuning worthwhile.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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The existing implementation of this function in glock.c was not
very efficient as it relied upon keeping a cursor element upon the
hash chain in question and moving it along. This new version improves
upon this by using the current element as a cursor. This is possible
since we only look at the "next" element in the list after we've
taken the read_lock() subsequent to calling the examiner function.
Obviously we have to eventually drop the ref count that we are then
left with and we cannot do that while holding the read_lock, so we
do that next time we drop the lock. That means either just before
we examine another glock, or when the loop has terminated.
The new implementation has several advantages: it uses only a
read_lock() rather than a write_lock(), so it can run simnultaneously
with other code, it doesn't need a "plug" element, so that it removes
a test not only from this list iterator, but from all the other glock
list iterators too. So it makes things faster and smaller.
Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/viro/audit-current
* 'audit.b28' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/audit-current:
[PATCH] audit: AUDIT_PERM support
[PATCH] audit: more syscall classes added
[PATCH] syscall classes hookup for ppc and s390
[PATCH] update audit rule change messages
[PATCH] sanity check audit_buffer
[PATCH] fix ppid bug in 2.6.18 kernel
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* master.kernel.org:/pub/scm/linux/kernel/git/gregkh/usb-2.6:
usbtouchscreen: fix ITM data reading
USB: New device ID for ftdi_sio usb serial driver
USB: Support for USB20SVGA-WH & USB20SVGA-DG
USB: hid-core.c: fix duplicate USB_DEVICE_ID_GTCO_404
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add support for AUDIT_PERM predicate
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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Make the audit message for implicit rule removal more informative.
Make the rule update message consistent with other messages.
Signed-off-by: Amy Griffis <amy.griffis@hp.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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Add sanity checks for NULL audit_buffer consistent with other
audit_log* routines.
Signed-off-by: Amy Griffis <amy.griffis@hp.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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Hello,
During some troubleshooting, I found that ppid was accidentally omitted from
the legacy rule section. This resulted in EINVAL for any rule with ppid sent
with AUDIT_ADD.
Signed-off-by: Steve Grubb <sgrubb@redhat.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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* master.kernel.org:/home/rmk/linux-2.6-mmc:
[MMC] Always use a sector size of 512 bytes
[MMC] Cleanup 385e3227d4d83ab13d7767c4bb3593b0256bf246
[ARM] 3751/1: i.MX/MX1 SD/MMC use 512 bytes request for SCR read
[MMC] Fix SD timeout calculation
[MMC] constify mmc_host_ops
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* master.kernel.org:/home/rmk/linux-2.6-arm:
[ARM] 3778/1: S3C24XX: remove changelogs from include/asm-arm/arch-s3c2410 [simtec]
[ARM] 3783/1: S3C2412: fix IRQ_EINT0 to IRQ_EINT3 handling
[ARM] 3779/1: S3C24XX: remove changelogs from include/asm-arm/arch-s3c2410 [left]
[ARM] 3777/1: S3C24XX: remove changelogs from include/asm-arm/arch-s3c2410 [regs-*.h]
[ARM] 3776/1: S3C24XX: remove changelogs from include/asm-arm/arch-s3c2410
[ARM] 3775/1: S3C24XX: do not add same sysdev_driver to two classes
[ARM] 3774/1: S3C24XX: SMDK2413 has two machine IDs
[ARM] 3773/1: Add the HWCAP_VFP bit for the ARM926 CPUs
[ARM] 3772/1: Fix compilation error in mach-ixp4xx/nslu2*
[ARM] 3767/1: S3C24XX: remove changelog comments from arch/arm/mach-s3c2410
[ARM] 3766/1: Fix typo in ARM _raw_read_trylock
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master.kernel.org:/pub/scm/linux/kernel/git/jgarzik/netdev-2.6
* 'upstream-linus' of master.kernel.org:/pub/scm/linux/kernel/git/jgarzik/netdev-2.6:
[PATCH] Fix dm9000 release_resource
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master.kernel.org:/pub/scm/linux/kernel/git/jgarzik/libata-dev
* 'upstream-linus' of master.kernel.org:/pub/scm/linux/kernel/git/jgarzik/libata-dev:
[PATCH] ata_piix: add map 01b for ICH7M
[libata] sata_mv: errata check buglet fix
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VIA boards
There are two changes here. The first reverses the broken PCI_DEVICE
conversion back to the old format. The second adds a missing PCI ID so
you can actually boot 2.6.18 on 2 month old VIA motherboards (right now
only 2.6.18-mm works).
CC'd to Jeff to check the PCI ident but its a) in several distro kernels
and b) in 2.6.18-mm [twice ??]
Signed-off-by: Alan Cox <alan@redhat.com>
Cc: Jeff Garzik <jeff@garzik.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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dm9000_release_board calls release_resource with the platform resource
instead of the requested resource:
db->addr_res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
db->addr_req = request_mem_region(db->addr_res->start, i, pdev->name);
dm9000_release_board:
if (db->addr_res != NULL) {
release_resource(db->addr_res);
kfree(db->addr_req);
With this behavior the kernel will crash on the second removal. The
attached patch fix this problem.
Signed-off-by: Dirk Opfer <Dirk@Opfer-Online.de>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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Although the document says otherwise, some ich7m uses map 01b. This
patch adds separate map DB for ICH7M and adds map entry for 01b.
This was spotted on an ASUS laptop by Jonathan Dieter.
Signed-off-by: Tejun Heo <htejun@gmail.com>
Cc: Jonathan Dieter <jdieter@gmail.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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Fix a buglet; the errata check below this code is assuming the value in
the sstatus variable is what was pulled out of the SCR_STATUS register.
However, the status checks in the timeout loop clobber everything
but the first 4 bits of sstatus, so the errata checks are invalid.
This patch changes it to not clobber SStatus.
Signed-off-by: Andres Salomon <dilinger@debian.org>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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Several DVB modules depends on I2C
Signed-off-by: Andrew de Quincey <adq_dvb@lidskialf.net>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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V4L1 support should be disabled when no CONFIG_VIDEO_V4L1_COMPAT is defined,
to allow checking for broken V4L2 ports. This is very important during the
migration phase for V4L2 API.
However, userspace apps should be capable of using both APIs, since they need
to test at runtime, via VIDIOCGCAP ioctl, if V4L1 is supported. So, when
__KERNEL__ is not defined, those ioctls and corresponding structs should be
visible.
This patch also removes the obsolete defines HAVE_V4L1 and HAVE_V4L2, that
where causing some confusion, and were replaced by CONFIG_VIDEO_V4L1_COMPAT
and CONFIG_VIDEO_V4L2.
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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Previously, this were reported:
Ooops: IR config error [card=139]
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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switch functionality
The tena_9533_di_pal_ranges use 0x04 instead the original 0x08 for the
UHF (range 2) switching. This is wrong and therefore nothing happens.
Restore tuner_ymec_tvf66t5_b_dff_pal_ranges[] to make the UHF switch
working again.
Signed-off-by: Hermann Pitton <hermann-pitton@arcor.de>
Signed-off-by: Michael Krufky <mkrufky@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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VIDIOCGMBUF should be compiled only when V4L1 support is selected, since
this ioctl is from the obsoleted API.
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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The callback for iopen locks is unused, so this removes
it.
Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
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Add back the consts which were casted away in the glock sorting
function. Also add early exit code.
Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
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Make the number of locks used for hash chains in glock.c
proportional to NR_CPUS. Also move constants for the number
of hash chains into glock.c from incore.h since they are
not used outside of glock.c.
Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
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The superblock is now created with kmalloc, not vmalloc.
Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
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[simtec]
Patch from Ben Dooks
Remove changelog entries from include/asm-arm/arch-s3c2410
for all simtec .h files as these are irrelevant with
version control.
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Patch from Ben Dooks
The IRQ_EINT0 through IRQ_EINT3 handling has changed
on the S3C2412 from the previous SoCs in the range,
and thus we need to add code to handle this.
The changes come about due to these IRQs being
displayed in two different registers, and needing to
be acked and masked in both.
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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[left]
Patch from Ben Dooks
Remove the last of the hangelogs from
include/asm-arm/arch-s3c2410, as this information
is available from the revision control system
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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[regs-*.h]
Patch from Ben Dooks
Remove changelog entries from include/asm-arm/arch-s3c2410
for all regs-*.h as these are irrelevant with version control
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Patch from Ben Dooks
Remove changelog entries from include/asm-arm/arch-s3c2410
as these are irrelevant with version control
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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