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iMX23 evk RevC using gpio as usb id.
usb_id pin is conflict with mmcsd detection pin
Signed-off-by: Frank Li <Frank.Li@freescale.com>
Signed-off-by: Alejandro Gonzalez <alex.gonzalez@digi.com>
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Add USB 100mA limitation feature for mx28 to mach usb 2.0 current requirment
Signed-off-by: Frank Li <Frank.li@freescale.com>
Signed-off-by: Alejandro Gonzalez <alex.gonzalez@digi.com>
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add usb support for mx28
include usb host and usb device
Signed-off-by: Albert Chen <r65187@freescale.com>
Signed-off-by: Alejandro Gonzalez <alex.gonzalez@digi.com>
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FEC driver support for i.MX28
Signed-off-by:Jason Liu <r64343@freescale.com>
Signed-off-by: Alejandro Gonzalez <alex.gonzalez@digi.com>
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To preview with V4L2 overlay and capture at the same time may fail.
This patch implements workaround for this issue by enabling CSI after
PRP channels are setup.
Signed-off-by: Liu Ying <b17645@freescale.com>
Signed-off-by: Alejandro Gonzalez <alex.gonzalez@digi.com>
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Add IPU_CSC_UPDATE case for ipu ioctl.
Signed-off-by: Sammy He <r62914@freescale.com>
Signed-off-by: Alejandro Gonzalez <alex.gonzalez@digi.com>
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Add iram allocation functions using GENERIC_ALLOCATOR. The
allocation size is 4KB multiples to guarantee alignment.
Signed-off-by: Rob Herring <r.herring@freescale.com>
Signed-off-by: Alejandro Gonzalez <alex.gonzalez@digi.com>
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blank/unblank fb during v4l2 playback, unblank will cause current buffer
of display channel to be 1. This patch make the sequence of select
display buffer correct.
Signed-off-by: Jason Chen <b02280@freescale.com>
Signed-off-by: Alejandro Gonzalez <alex.gonzalez@digi.com>
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1. Blank BG during video play on FG:
./mxc_v4l2_output.out -iw 320 -ih 240 -ow 1024 -oh 768 -d 3 qvga.yuv
echo 1 > /sys/class/graphics/fb0/blank
echo 0 > /sys/class/graphics/fb0/blank
2. The same input and output (ic_bypass):
./mxc_v4l2_output.out -iw 320 -ih 240 -ow 320 -oh 240 -d 3 qvga.yuv
echo 1 > /sys/class/graphics/fb0/blank
echo 0 > /sys/class/graphics/fb0/blank
Signed-off-by: Jason Chen <b02280@freescale.com>
Signed-off-by: Alejandro Gonzalez <alex.gonzalez@digi.com>
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This commit adds support for the second etherent mac.
This driver should be sync with the mainline driver in future.
Signed-off-by: Pedro Perez de Heredia <pedro.perez@digi.com>
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Register the mma7455l accelerometer chip with the I2C2 bus and add a
client driver for the mma7455l device. The chip is probed and I2C R/W
transactions are working. No other test on the mma7455l driver has been
performed at this stage.
Signed-off-by: Alejandro Gonzalez <alex.gonzalez@digi.com>
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Modify MXCFB_SET_LOC_ALPHA ioctrl to support DP local alpha with
alpha value contained in pixel.
Signed-off-by: Liu Ying <b17645@freescale.com>
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To support 720p output for ipu lib.
Signed-off-by: Jason Chen <b02280@freescale.com>
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If there is no usb devices connectted or all connectted usb
devices are in suspend state, usb host can suspend its whole bus,
then put the PHY into low power mode and close all usb clocks.
(The patch is splitted 2 patches, this is common code part.)
Signed-off-by: Li Jun <r65092@freescale.com>
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Changed bit definition from 0x8000 to 0x4000
Signed-off-by: Anish Trivedi <anish@freescale.com>
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Support DP gamma by setting piecewise linear approximation,
application need set coefficient const[k] and slope[k]. The algorithm to
calculate these coefficient pls refer to unit test.
Signed-off-by: Jason Chen <b02280@freescale.com>
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Added the device identification and timing database. Adjusted the GPMI
NAND Flash driver to use this information.
Signed-off-by: Patrick Turley <patrick.turley@freescale.com>
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Follow the approach suggested by Russell King and implemented by him in
the clkdev API and allow consumer device supply mapings to be set up
using the dev_name() for the consumer instead of the struct device.
In order to avoid making existing machines instabuggy and creating merge
issues the use of struct device is still supported for the time being.
This resolves problems working with buses such as I2C which make the
struct device available late providing that the final device name is
known, which is the case for most embedded systems with fixed setups.
Consumers must still use the struct device when calling regulator_get().
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Liam Girdwood <lrg@slimlogic.co.uk>
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Add i.MX specific files into include/linux/Kbuild
Signed-off-by: Lily Zhang <r58066@freescale.com>
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-Added kernel error message to handle hang due to SCC HW failure.
-Eliminated unwanted sleeps.
-Kernel error message to handle the case when SCC key fuses are not blown.
Signed-off-by: Raj Rajasekaran <b10872@freescale.com>
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A new feature is added to support to upsizing by horizontal stripes
via IC PP channels double using.
Signed-off-by: Mark Gutman <r58412@freescale.com>
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MX233: Restructure the STMP378xxx USB Host and Gadget device structures
to be similar to MXC structures. Enable fsl_otg_arc driver to work on
MX233 platform. Remove FSL_USB2_DONT_REMAP requirement.
Signed-off-by: Dinh Nguyen <Dinh.Nguyen@freescale.com>
Conflicts:
arch/arm/mach-stmp3xxx/Kconfig
arch/arm/mach-stmp3xxx/Makefile
arch/arm/mach-stmp3xxx/devices.c
arch/arm/mach-stmp3xxx/include/mach/stmp3xxx.h
arch/arm/mach-stmp3xxx/stmp378x_devb.c
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USB will enter low power mode if no vbus power supply.
Only finished this feature in Mx37.
1. When enter low power mode, driver will close usb related clocks
as possible as could.
set usb IP to stop.
Set PHY to low power suspend by setting PHCD bit of portsc.
2. This patch doesn't support low power mode in OTG mode yet.
Signed-off-by: Albert Chen <r65187@freescale.com>
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This is i.MX BSP 5.0.0 release ported to 2.6.31
Signed-off-by: Rob Herring <r.herring@freescale.com>
Signed-off-by: Alan Tull <r80115@freescale.com>
Signed-off-by: Xinyu Chen <xinyu.chen@freescale.com>
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and oob sizes
Signed-off-by: Rob Herring <r.herring@freescale.com>
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Linux driver for /dev/crypto (aka CryptoDev)
See http://www.logix.cz/michal/devel/cryptodev for details.
Signed-off-by: Michal Ludvig <mludvig@suse.cz>
Signed-off-by: Rob Herring <r.herring@freescale.com>
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* git://git.kernel.org/pub/scm/linux/kernel/git/agk/linux-2.6-dm:
dm snapshot: fix on disk chunk size validation
dm exception store: split set_chunk_size
dm snapshot: fix header corruption race on invalidation
dm snapshot: refactor zero_disk_area to use chunk_io
dm log: userspace add luid to distinguish between concurrent log instances
dm raid1: do not allow log_failure variable to unset after being set
dm log: remove incorrect field from userspace table output
dm log: fix userspace status output
dm stripe: expose correct io hints
dm table: add more context to terse warning messages
dm table: fix queue_limit checking device iterator
dm snapshot: implement iterate devices
dm multipath: fix oops when request based io fails when no paths
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Tom Horsley reports that his debugger hangs when it tries to read
/proc/pid_of_tracee/maps, this happens since
"mm_for_maps: take ->cred_guard_mutex to fix the race with exec"
04b836cbf19e885f8366bccb2e4b0474346c02d
commit in 2.6.31.
But the root of the problem lies in the fact that do_execve() path calls
tracehook_report_exec() which can stop if the tracer sets PT_TRACE_EXEC.
The tracee must not sleep in TASK_TRACED holding this mutex. Even if we
remove ->cred_guard_mutex from mm_for_maps() and proc_pid_attr_write(),
another task doing PTRACE_ATTACH should not hang until it is killed or the
tracee resumes.
With this patch do_execve() does not use ->cred_guard_mutex directly and
we do not hold it throughout, instead:
- introduce prepare_bprm_creds() helper, it locks the mutex
and calls prepare_exec_creds() to initialize bprm->cred.
- install_exec_creds() drops the mutex after commit_creds(),
and thus before tracehook_report_exec()->ptrace_stop().
or, if exec fails,
free_bprm() drops this mutex when bprm->cred != NULL which
indicates install_exec_creds() was not called.
Reported-by: Tom Horsley <tom.horsley@att.net>
Signed-off-by: Oleg Nesterov <oleg@redhat.com>
Acked-by: David Howells <dhowells@redhat.com>
Cc: Roland McGrath <roland@redhat.com>
Cc: James Morris <jmorris@namei.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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cancel_delayed_work() has to use del_timer_sync() to guarantee the timer
function is not running after return. But most users doesn't actually
need this, and del_timer_sync() has problems: it is not useable from
interrupt, and it depends on every lock which could be taken from irq.
Introduce __cancel_delayed_work() which calls del_timer() instead.
The immediate reason for this patch is
http://bugzilla.kernel.org/show_bug.cgi?id=13757
but hopefully this helper makes sense anyway.
As for 13757 bug, actually we need requeue_delayed_work(), but its
semantics are not yet clear.
Merge this patch early to resolves cross-tree interdependencies between
input and infiniband.
Signed-off-by: Oleg Nesterov <oleg@redhat.com>
Cc: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Cc: Roland Dreier <rdreier@cisco.com>
Cc: Stefan Richter <stefanr@s5r6.in-berlin.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Device-mapper userspace logs (like the clustered log) are
identified by a universally unique identifier (UUID). This
identifier is used to associate requests from the kernel to
a specific log in userspace. The UUID must be unique everywhere,
since multiple machines may use this identifier when communicating
about a particular log, as is the case for cluster logs.
Sometimes, device-mapper/LVM may re-use a UUID. This is the
case during pvmoves, when moving from one segment of an LV
to another, or when resizing a mirror, etc. In these cases,
a new log is created with the same UUID and loaded in the
"inactive" slot. When a device-mapper "resume" is issued,
the "live" table is deactivated and the new "inactive" table
becomes "live". (The "inactive" table can also be removed
via a device-mapper 'clear' command.)
The above two issues were colliding. More than one log was being
created with the same UUID, and there was no way to distinguish
between them. So, sometimes the wrong log would be swapped
out during the exchange.
The solution is to create a locally unique identifier,
'luid', to go along with the UUID. This new identifier is used
to determine exactly which log is being referenced by the kernel
when the log exchange is made. The identifier is not
universally safe, but it does not need to be, since
create/destroy/suspend/resume operations are bound to a specific
machine; and these are the operations that make up the exchange.
Signed-off-by: Jonathan Brassow <jbrassow@redhat.com>
Signed-off-by: Alasdair G Kergon <agk@redhat.com>
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Set sensible I/O hints for striped DM devices in the topology
infrastructure added for 2.6.31 for userspace tools to
obtain via sysfs.
Add .io_hints to 'struct target_type' to allow the I/O hints portion
(io_min and io_opt) of the 'struct queue_limits' to be set by each
target and implement this for dm-stripe.
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
Signed-off-by: Alasdair G Kergon <agk@redhat.com>
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My previous patch (commit 4f8ee2c9cc: "lmb: Remove __init from
lmb_end_of_DRAM()") removed __init in lmb.c but missed the fact that it
was also marked as such in the .h
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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It's problematic to allow signed element_nr's or total's to be passed as
part of the flex array API.
flex_array_alloc() allows total_nr_elements to be set to a negative
quantity, which is obviously erroneous.
flex_array_get() and flex_array_put() allows negative array indices in
dereferencing an array part, which could address memory mapped before
struct flex_array.
The fix is to convert all existing element_nr formals to be qualified as
unsigned. Existing checks to compare it to total_nr_elements or the max
array size based on element_size need not be changed.
Signed-off-by: David Rientjes <rientjes@google.com>
Cc: Dave Hansen <dave@linux.vnet.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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The `parts' member of struct flex_array should evaluate to an incomplete
type so that sizeof() cannot be used and C99 does not require the
zero-length specification.
Signed-off-by: David Rientjes <rientjes@google.com>
Acked-by: Dave Hansen <dave@linux.vnet.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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2.6.30's commit 8a0bdec194c21c8fdef840989d0d7b742bb5d4bc removed
user_shm_lock() calls in hugetlb_file_setup() but left the
user_shm_unlock call in shm_destroy().
In detail:
Assume that can_do_hugetlb_shm() returns true and hence user_shm_lock()
is not called in hugetlb_file_setup(). However, user_shm_unlock() is
called in any case in shm_destroy() and in the following
atomic_dec_and_lock(&up->__count) in free_uid() is executed and if
up->__count gets zero, also cleanup_user_struct() is scheduled.
Note that sched_destroy_user() is empty if CONFIG_USER_SCHED is not set.
However, the ref counter up->__count gets unexpectedly non-positive and
the corresponding structs are freed even though there are live
references to them, resulting in a kernel oops after a lots of
shmget(SHM_HUGETLB)/shmctl(IPC_RMID) cycles and CONFIG_USER_SCHED set.
Hugh changed Stefan's suggested patch: can_do_hugetlb_shm() at the
time of shm_destroy() may give a different answer from at the time
of hugetlb_file_setup(). And fixed newseg()'s no_id error path,
which has missed user_shm_unlock() ever since it came in 2.6.9.
Reported-by: Stefan Huber <shuber2@gmail.com>
Signed-off-by: Hugh Dickins <hugh.dickins@tiscali.co.uk>
Tested-by: Stefan Huber <shuber2@gmail.com>
Cc: stable@kernel.org
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input:
Input: ucb1400_ts - enable interrupt unconditionally
Input: ucb1400_ts - enable ADC Filter
Input: wacom - don't use on-stack memory for report buffers
Input: iforce - support new revision of ACT LABS Force RS
Input: joydev - decouple axis and button map ioctls from input constants
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vfs_read() offset is defined as loff_t, but kernel_read()
offset is only defined as unsigned long. Redefine
kernel_read() offset as loff_t.
Cc: stable@kernel.org
Signed-off-by: Mimi Zohar <zohar@us.ibm.com>
Signed-off-by: James Morris <jmorris@namei.org>
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When 'and'ing two bitmasks (where 'andnot' is a variation on it), some
cases want to know whether the result is the empty set or not. In
particular, the TLB IPI sending code wants to do cpumask operations and
determine if there are any CPU's left in the final set.
So this just makes the bitmask (and cpumask) functions return a boolean
for whether the result has any bits set.
Cc: stable@kernel.org (2.6.30, needed by TLB shootdown fix)
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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This patch enables ADC filtering on UCB1400 codec by default. The
benefit from this change is mostly on some Colibri boards where
the ADCSYNC pin of the UCB1400 codec isn't connected causing the
touchscreen to jitter very badly. This change has no visible
effect on boards where the ADCSYNC pin is connected.
Signed-off-by: Marek Vasut <marek.vasut@gmail.com>
Tested-by: Palo Revak <palo@bielyvlk.sk>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
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The commit 2ff05b2b (oom: move oom_adj value) moveed the oom_adj value to
the mm_struct. It was a very good first step for sanitize OOM.
However Paul Menage reported the commit makes regression to his job
scheduler. Current OOM logic can kill OOM_DISABLED process.
Why? His program has the code of similar to the following.
...
set_oom_adj(OOM_DISABLE); /* The job scheduler never killed by oom */
...
if (vfork() == 0) {
set_oom_adj(0); /* Invoked child can be killed */
execve("foo-bar-cmd");
}
....
vfork() parent and child are shared the same mm_struct. then above
set_oom_adj(0) doesn't only change oom_adj for vfork() child, it's also
change oom_adj for vfork() parent. Then, vfork() parent (job scheduler)
lost OOM immune and it was killed.
Actually, fork-setting-exec idiom is very frequently used in userland program.
We must not break this assumption.
Then, this patch revert commit 2ff05b2b and related commit.
Reverted commit list
---------------------
- commit 2ff05b2b4e (oom: move oom_adj value from task_struct to mm_struct)
- commit 4d8b9135c3 (oom: avoid unnecessary mm locking and scanning for OOM_DISABLE)
- commit 8123681022 (oom: only oom kill exiting tasks with attached memory)
- commit 933b787b57 (mm: copy over oom_adj value at fork time)
Signed-off-by: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Cc: Paul Menage <menage@google.com>
Cc: David Rientjes <rientjes@google.com>
Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Cc: Rik van Riel <riel@redhat.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Oleg Nesterov <oleg@redhat.com>
Cc: Nick Piggin <npiggin@suse.de>
Cc: Mel Gorman <mel@csn.ul.ie>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6: (60 commits)
net: restore gnet_stats_basic to previous definition
NETROM: Fix use of static buffer
e1000e: fix use of pci_enable_pcie_error_reporting
e1000e: WoL does not work on 82577/82578 with manageability enabled
cnic: Fix locking in init/exit calls.
cnic: Fix locking in start/stop calls.
bnx2: Use mutex on slow path cnic calls.
cnic: Refine registration with bnx2.
cnic: Fix symbol_put_addr() panic on ia64.
gre: Fix MTU calculation for bound GRE tunnels
pegasus: Add new device ID.
drivers/net: fixed drivers that support netpoll use ndo_start_xmit()
via-velocity: Fix test of mii_status bit VELOCITY_DUPLEX_FULL
rt2x00: fix memory corruption in rf cache, add a sanity check
ixgbe: Fix receive on real device when VLANs are configured
ixgbe: Do not return 0 in ixgbe_fcoe_ddp() upon FCP_RSP in DDP completion
netxen: free napi resources during detach
netxen: remove netxen workqueue
ixgbe: fix issues setting rx-usecs with legacy interrupts
can: fix oops caused by wrong rtnl newlink usage
...
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In 5e140dfc1fe87eae27846f193086724806b33c7d "net: reorder struct Qdisc
for better SMP performance" the definition of struct gnet_stats_basic
changed incompatibly, as copies of this struct are shipped to
userland via netlink.
Restoring old behavior is not welcome, for performance reason.
Fix is to use a private structure for kernel, and
teach gnet_stats_copy_basic() to convert from kernel to user land,
using legacy structure (struct gnet_stats_basic)
Based on a report and initial patch from Michael Spang.
Reported-by: Michael Spang <mspang@csclub.uwaterloo.ca>
Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Fix the header files to define round_hint_to_min() and to define
mmap_min_addr_handler() in the !CONFIG_SECURITY case.
Built and tested with !CONFIG_SECURITY
Signed-off-by: Eric Paris <eparis@redhat.com>
Signed-off-by: James Morris <jmorris@namei.org>
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Currently SELinux enforcement of controls on the ability to map low memory
is determined by the mmap_min_addr tunable. This patch causes SELinux to
ignore the tunable and instead use a seperate Kconfig option specific to how
much space the LSM should protect.
The tunable will now only control the need for CAP_SYS_RAWIO and SELinux
permissions will always protect the amount of low memory designated by
CONFIG_LSM_MMAP_MIN_ADDR.
This allows users who need to disable the mmap_min_addr controls (usual reason
being they run WINE as a non-root user) to do so and still have SELinux
controls preventing confined domains (like a web server) from being able to
map some area of low memory.
Signed-off-by: Eric Paris <eparis@redhat.com>
Signed-off-by: James Morris <jmorris@namei.org>
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Currently we duplicate the mmap_min_addr test in cap_file_mmap and in
security_file_mmap if !CONFIG_SECURITY. This patch moves cap_file_mmap
into commoncap.c and then calls that function directly from
security_file_mmap ifndef CONFIG_SECURITY like all of the other capability
checks are done.
Signed-off-by: Eric Paris <eparis@redhat.com>
Acked-by: Serge Hallyn <serue@us.ibm.com>
Signed-off-by: James Morris <jmorris@namei.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'perfcounters-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
perf_counter: Report the cloning task as parent on perf_counter_fork()
perf_counter: Fix an ipi-deadlock
perf: Rework/fix the whole read vs group stuff
perf_counter: Fix swcounter context invariance
perf report: Don't show unresolved DSOs and symbols when -S/-d is used
perf tools: Add a general option to enable raw sample records
perf tools: Add a per tracepoint counter attribute to get raw sample
perf_counter: Provide hw_perf_counter_setup_online() APIs
perf list: Fix large list output by using the pager
perf_counter, x86: Fix/improve apic fallback
perf record: Add missing -C option support for specifying profile cpu
perf tools: Fix dso__new handle() to handle deleted DSOs
perf tools: Fix fallback to cplus_demangle() when bfd_demangle() is not available
perf report: Show the tid too in -D
perf record: Fix .tid and .pid fill-in when synthesizing events
perf_counter, x86: Fix generic cache events on P6-mobile CPUs
perf_counter, x86: Fix lapic printk message
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'core-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
futex: Fix handling of bad requeue syscall pairing
futex: Fix compat_futex to be same as futex for REQUEUE_PI
locking, sched: Give waitqueue spinlocks their own lockdep classes
futex: Update futex_q lock_ptr on requeue proxy lock
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Replace PERF_SAMPLE_GROUP with PERF_SAMPLE_READ and introduce
PERF_FORMAT_GROUP to deal with group reads in a more generic
way.
This allows you to get group reads out of read() as well.
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Corey J Ashford <cjashfor@us.ibm.com>
Cc: Paul Mackerras <paulus@samba.org>
Cc: stephane eranian <eranian@googlemail.com>
LKML-Reference: <20090813103655.117411814@chello.nl>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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Provide weak aliases for hw_perf_counter_setup_online(). This is
used by the BTS patches (for v2.6.32), but it interacts with
fixes so propagate this upstream. (it has no effect as of yet)
Also export perf_counter_output() to architecture code.
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
LKML-Reference: <new-submission>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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