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Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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This patch adds device table initializations which forbids memory accesses
for devices per default and disables all page faults.
Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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On Thu, Jul 24, 2008 at 03:43:44PM -0700, Linus Torvalds wrote:
> So how about this patch as a starting point? This is the RightThing(tm) to
> do regardless, and if it then makes it easier to do some other cleanups,
> we should do it first. What do you think?
restore_fpu_checking() calls init_fpu() in error conditions.
While this is wrong(as our main intention is to clear the fpu state of
the thread), this was benign before commit 92d140e21f1 ("x86: fix taking
DNA during 64bit sigreturn").
Post commit 92d140e21f1, live FPU registers may not belong to this
process at this error scenario.
In the error condition for restore_fpu_checking() (especially during the
64bit signal return), we are doing init_fpu(), which saves the live FPU
register state (possibly belonging to some other process context) into
the thread struct (through unlazy_fpu() in init_fpu()). This is wrong
and can leak the FPU data.
For the signal handler restore error condition in restore_i387(), clear
the fpu state present in the thread struct(before ultimately sending a
SIGSEGV for badframe).
For the paranoid error condition check in math_state_restore(), send a
SIGSEGV, if we fail to restore the state.
Signed-off-by: Suresh Siddha <suresh.b.siddha@intel.com>
Cc: <stable@kernel.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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Commit 74768ed833344b "page allocator: use no-panic variant of
alloc_bootmem() in alloc_large_system_hash()" introduced two new
_nopanic macros which are undefined for CONFIG_HAVE_ARCH_BOOTMEM_NODE.
Signed-off-by: Johannes Weiner <hannes@saeurebad.de>
Acked-by: "Jan Beulich" <jbeulich@novell.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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* master.kernel.org:/home/rmk/linux-2.6-arm: (38 commits)
[ARM] 5191/1: ARM: remove CVS keywords
[ARM] pxafb: fix the warning of incorrect lccr when lcd_conn is specified
[ARM] pxafb: add flag to specify output format on LDD pins when base is RGBT16
[ARM] pxafb: fix the incorrect configuration of GPIO77 as ACBIAS for TFT LCD
[ARM] 5198/1: PalmTX: PCMCIA fixes
[ARM] Fix a pile of broken watchdog drivers
[ARM] update mach-types
[ARM] 5196/1: fix inline asm constraints for preload
[ARM] 5194/1: update .gitignore
[ARM] add proc-macros.S include to proc-arm940 and proc-arm946
[ARM] 5192/1: ARM TLB: add v7wbi_{possible,always}_flags to {possible,always}_tlb_flags
[ARM] 5193/1: Wire up missing syscalls
[ARM] traps: don't call undef hook functions with spinlock held
[ARM] 5183/2: Provide Poodle LoCoMo GPIO names
[ARM] dma-mapping: provide sync_range APIs
[ARM] dma-mapping: improve type-safeness of DMA translations
[ARM] Kirkwood: instantiate the orion_spi driver in the platform code
[ARM] prevent crashing when too much RAM installed
[ARM] Kirkwood: Instantiate mv_xor driver
[ARM] Orion: Instantiate mv_xor driver for 5182
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This patch removes CVS keywords that weren't updated for a long time.
Signed-off-by: Adrian Bunk <bunk@kernel.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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This patch performs the equivalent include directory shuffle for
plat-orion, and fixes up all users.
Signed-off-by: Lennert Buytenhek <buytenh@marvell.com>
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This patch fixes compilation error if no s3c2410 processor is selected
but the s3c244x is selected. The function s3c2410_baseclk_add() is now
available for all Samsung cpus.
Signed-off-by: Krzysztof Helt <krzysztof.h1@wp.pl>
[ben-linux@fluff.org: Whitespace and description fixups]
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
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The exported copy of videodev2.h contains this line:
#define #include <sys/time.h>
This is because for some reason it defines __user for itself -- despite
the fact that we remove all instances of __user when exporting headers.
_All_ pointers in userspace are user pointers. Fix it by removing the
unnecessary '#define __user' from the file.
The new headers ivtv.h and ivtvfb.h would have the same problem... if
whoever put them there had actually remembered to add them to the Kbuild
file while he was at it. Fix those too, and export them as was
presumably intended.
Note that includes of <linux/compiler.h> are also stripped by the header
export process, so those don't need to be conditional.
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
Acked-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Try to comment away a little of the confusion between mm's vm_area_struct
vm_flags and vmalloc's vm_struct flags: based on an idea by Ulrich Drepper.
Signed-off-by: Hugh Dickins <hugh@veritas.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/security-testing-2.6
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/security-testing-2.6:
security: Fix setting of PF_SUPERPRIV by __capable()
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Fix the setting of PF_SUPERPRIV by __capable() as it could corrupt the flags
the target process if that is not the current process and it is trying to
change its own flags in a different way at the same time.
__capable() is using neither atomic ops nor locking to protect t->flags. This
patch removes __capable() and introduces has_capability() that doesn't set
PF_SUPERPRIV on the process being queried.
This patch further splits security_ptrace() in two:
(1) security_ptrace_may_access(). This passes judgement on whether one
process may access another only (PTRACE_MODE_ATTACH for ptrace() and
PTRACE_MODE_READ for /proc), and takes a pointer to the child process.
current is the parent.
(2) security_ptrace_traceme(). This passes judgement on PTRACE_TRACEME only,
and takes only a pointer to the parent process. current is the child.
In Smack and commoncap, this uses has_capability() to determine whether
the parent will be permitted to use PTRACE_ATTACH if normal checks fail.
This does not set PF_SUPERPRIV.
Two of the instances of __capable() actually only act on current, and so have
been changed to calls to capable().
Of the places that were using __capable():
(1) The OOM killer calls __capable() thrice when weighing the killability of a
process. All of these now use has_capability().
(2) cap_ptrace() and smack_ptrace() were using __capable() to check to see
whether the parent was allowed to trace any process. As mentioned above,
these have been split. For PTRACE_ATTACH and /proc, capable() is now
used, and for PTRACE_TRACEME, has_capability() is used.
(3) cap_safe_nice() only ever saw current, so now uses capable().
(4) smack_setprocattr() rejected accesses to tasks other than current just
after calling __capable(), so the order of these two tests have been
switched and capable() is used instead.
(5) In smack_file_send_sigiotask(), we need to allow privileged processes to
receive SIGIO on files they're manipulating.
(6) In smack_task_wait(), we let a process wait for a privileged process,
whether or not the process doing the waiting is privileged.
I've tested this with the LTP SELinux and syscalls testscripts.
Signed-off-by: David Howells <dhowells@redhat.com>
Acked-by: Serge Hallyn <serue@us.ibm.com>
Acked-by: Casey Schaufler <casey@schaufler-ca.com>
Acked-by: Andrew G. Morgan <morgan@kernel.org>
Acked-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: James Morris <jmorris@namei.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/cooloney/blackfin-2.6
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/cooloney/blackfin-2.6: (33 commits)
Blackfin arch: hook up some missing new system calls
Blackfin arch: fix missing digit in SCLK range checking
Blackfin arch: do not muck with the UART during boot -- let the serial driver worry about it
Blackfin arch: clear EMAC_SYSTAT during IRQ init rather than early head.S as we dont need it setup that early
Blackfin arch: use %pF when printing out the double fault address so we get symbol names
Blackfin arch: add support for the BlackStamp board
Blackfin arch: Allow ins functions to have a low latency version
Blackfin arch: Print out doublefault addresses, so debug can occur
Blackfin arch: shuffle related prototypes together -- no functional changes
Blackfin arch: move fixed code defines into fixed_code.h as very few things actually need to know these details
Blackfin arch: mark some functions as __init as they are only called from __init functions
Blackfin arch: delete dead prototypes
Blackfin arch: cleanup cache lock code
Blackfin arch: workaround SIC_IWR1 reset bug, by keeping MDMA0/1 always enabled in SIC_IWR1.
Blackfin arch: Fix bug - when expanding the trace buffer, it does not print out the decoded instruction.
Blackfin arch: Fix Bug - System with EMAC driver enabled - Core not idling
Blackfin arch: delete unused cache functions
Blackfin arch: convert L2 defines to be the same as the L1 defines
Blackfin arch: unify the duplicated portions of __start and split mach-specific pieces into _mach_early_start where they will be easier to trim over time
Blackfin arch: add asm/thread_info.h for THREAD_SIZE define
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Signed-off-by: Bryan Wu <cooloney@kernel.org>
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Signed-off-by: Mike Frysinger <vapier.adi@gmail.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
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Signed-off-by: Mike Frysinger <vapier.adi@gmail.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
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actually need to know these details
Signed-off-by: Mike Frysinger <vapier.adi@gmail.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
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Signed-off-by: Mike Frysinger <vapier.adi@gmail.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
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- remove cheesy read_iloc() function
- move invalidate_entire_icache function to lock.S
- export proper prototypes for functions in lock.S
- only build lock.S when BFIN_ICACHE_LOCK is enabled
Signed-off-by: Mike Frysinger <vapier.adi@gmail.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
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- Disable all bits in SIC_IWR unless we are going into a real (DPMC)
power saving mode. Any Interrupt can wake the core form it's idle state.
- Remove deep sleep mode as it is not going to be used anywhere:
We support sleep, sleep deeper and hibernate.
Signed-off-by: Michael Hennerich <michael.hennerich@analog.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
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Signed-off-by: Mike Frysinger <vapier.adi@gmail.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
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supported processor/silicon
Signed-off-by: Mike Frysinger <vapier.adi@gmail.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
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Merge VR Regulator Hibernate wakeups into set_irq_wake for internal
interrupts.
Signed-off-by: Michael Hennerich <michael.hennerich@analog.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
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dont bother protecting the mtd defines as anything that incorrectly
uses it will get an error during link time anyways ... this prevents
large pointless rebuilds of most files whenever the uclinux mtd map changes state
Signed-off-by: Mike Frysinger <vapier.adi@gmail.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
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as per this discussion:
http://lkml.org/lkml/2008/8/12/423
Pardo reported that 64-bit threaded apps, if their stacks exceed the
combined size of ~4GB, slow down drastically in pthread_create() - because
glibc uses MAP_32BIT to allocate the stacks. The use of MAP_32BIT is
a legacy hack - to speed up context switching on certain early model
64-bit P4 CPUs.
So introduce a new flag to be used by glibc instead, to not constrain
64-bit apps like this.
glibc can switch to this new flag straight away - it will be ignored
by the kernel. If those old CPUs ever matter to anyone, support for
it can be implemented.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Acked-by: Ulrich Drepper <drepper@gmail.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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This moves it to being a tty operation. That removes special cases and now
also means that resize can be picked up by um and other non vt consoles
which may have a resize operation.
Signed-off-by: Alan Cox <alan@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/ak/linux-acpi-2.6
* 'release-2.6.27' of git://git.kernel.org/pub/scm/linux/kernel/git/ak/linux-acpi-2.6:
ACPI: Fix thermal shutdowns
ACPI: bounds check IRQ to prevent memory corruption
ACPI: Avoid bogus EC timeout when EC is in Polling mode
ACPI : Add the EC dmi table to fix the incorrect ECDT table
ACPI: Properly clear flags on false-positives and send uevent on sudden unplug
acpi: trivial cleanups
acer-wmi: Fix wireless and bluetooth on early AMW0 v2 laptops
ACPI: WMI: Set instance for query block calls
ACPICA: Additional error checking for pathname utilities
ACPICA: Fix possible memory leak in Unload() operator
ACPICA: Fix memory leak when deleting thermal/processor objects
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Add error check after all calls to acpi_ns_get_pathname_length.
Add status return from acpi_ns_build_external_path and check after
all calls. Add parameter validation to acpi_ut_initialize_buffer.
Reported by and initial patch by Ingo Molnar.
http://lkml.org/lkml/2008/7/21/176
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Lin Ming <ming.m.lin@intel.com>
Signed-off-by: Andi Kleen <ak@linux.intel.com>
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Sam Ravnborg did the build-test that the direct header file move works,
I'm just committing it.
This is a pure move:
mkdir arch/alpha/include
git mv include/asm-alpha arch/alpha/include/asm
with no other changes.
Requested-and-tested-by: Sam Ravnborg <sam@ravnborg.org>
Cc: Richard Henderson <rth@twiddle.net>
Cc: Ivan Kokshaysky <ink@jurassic.park.msu.ru>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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m68k fails to build with these functions inlined in completion.h. Move
them out of line into sched.c and export them to avoid this problem.
Signed-off-by: Dave Chinner <david@fromorbit.com>
Cc: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Add __ftrace_enabled_save/restore, used to disable ftrace for a while.
Now, this is used by kexec jump, which need a version without lock, for
general situation, a locked version should be used.
Signed-off-by: Huang Ying <ying.huang@intel.com>
Cc: Pavel Machek <pavel@ucw.cz>
Cc: "Rafael J. Wysocki" <rjw@sisk.pl>
Cc: "Eric W. Biederman" <ebiederm@xmission.com>
Cc: Vivek Goyal <vgoyal@redhat.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Steven Rostedt <rostedt@goodmis.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Call kernel_restart_prepare() in kernel_kexec() instead of duplicating the
code.
Signed-off-by: Huang Ying <ying.huang@intel.com>
Acked-by: Pavel Machek <pavel@suse.cz>
Acked-by: Vivek Goyal <vgoyal@redhat.com>
Cc: Pavel Machek <pavel@ucw.cz>
Cc: "Rafael J. Wysocki" <rjw@sisk.pl>
Cc: "Eric W. Biederman" <ebiederm@xmission.com>
Cc: Vivek Goyal <vgoyal@redhat.com>
Cc: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Kexec/Kexec-jump require code size in control page is less than
PAGE_SIZE/2. This patch add link-time checking for this.
ASSERT() of ld link script is used as the link-time checking mechanism.
[akpm@linux-foundation.org: build fix]
Signed-off-by: Huang Ying <ying.huang@intel.com>
Cc: Pavel Machek <pavel@ucw.cz>
Cc: "Rafael J. Wysocki" <rjw@sisk.pl>
Cc: "Eric W. Biederman" <ebiederm@xmission.com>
Acked-by: Vivek Goyal <vgoyal@redhat.com>
Cc: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Rename KEXEC_CONTROL_CODE_SIZE to KEXEC_CONTROL_PAGE_SIZE, because control
page is used for not only code on some platform. For example in kexec
jump, it is used for data and stack too.
[akpm@linux-foundation.org: unbreak powerpc and arm, finish conversion]
Signed-off-by: Huang Ying <ying.huang@intel.com>
Cc: Pavel Machek <pavel@ucw.cz>
Cc: "Rafael J. Wysocki" <rjw@sisk.pl>
Cc: "Eric W. Biederman" <ebiederm@xmission.com>
Cc: Vivek Goyal <vgoyal@redhat.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Russell King <rmk@arm.linux.org.uk>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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WARNING: vmlinux.o(.text+0xe684): Section mismatch in reference from the function register_nosave_region() to the function .init.text:__register_nosave_region()
The function register_nosave_region() references
the function __init __register_nosave_region().
This is often because register_nosave_region lacks a __init
annotation or the annotation of __register_nosave_region is wrong.
register_nosave_region calls __init function and is called only from
__init functions
Signed-off-by: Marcin Slusarz <marcin.slusarz@gmail.com>
Acked-by: Rafael J. Wysocki <rjw@sisk.pl>
Cc: Pavel Machek <pavel@suse.cz>
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/gregkh/usb-2.6: (47 commits)
usb: musb: pass configuration specifics via pdata
usb: musb: fix hanging when rmmod gadget driver
USB: Add MUSB and TUSB support
USB: serial: remove CONFIG_USB_DEBUG from sierra and option drivers
USB: Add vendor/product id of ZTE MF628 to option
USB: quirk PLL power down mode
USB: omap_udc: fix compilation with debug enabled
usb: cdc-acm: drain writes on close
usb: cdc-acm: stop dropping tx buffers
usb: cdc-acm: bugfix release()
usb gadget: issue notifications from ACM function
usb gadget: remove needless struct members
USB: sh: r8a66597-hcd: fix disconnect regression
USB: isp1301: fix compilation
USB: fix compiler warning fix
usb-storage: unusual_devs entry for Nokia 5300
USB: cdc-acm.c: Fix compile warnings
USB: BandRich BandLuxe C150/C250 HSPA Data Card Driver
USB: ftdi_sio: add support for PHI Fisco data cable (FT232BM based, VID/PID 0403:e40b)
usb: isp1760: don't be noisy about short packets.
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Use platform_data to pass musb configuration-specific
details to musb driver.
This patch will prevent that other platforms selecting
HAVE_CLK and enabling musb won't break tree building.
The other parts of it will come when linux-omap merge
up more omap2/3 board-files.
Signed-off-by: Felipe Balbi <felipe.balbi@nokia.com>
Acked-by: Paul Mundt <lethal@linux-sh.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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This patch adds support for MUSB and TUSB controllers
integrated into omap2430 and davinci. It also adds support
for external tusb6010 controller.
Cc: David Brownell <dbrownell@users.sourceforge.net>
Cc: Tony Lindgren <tony@atomide.com>
Signed-off-by: Felipe Balbi <felipe.balbi@nokia.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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This patch (as1121) fixes a bug in the USB serial core. When a device
is unregistered, the core will give back its minors -- even if the
device hasn't been assigned any!
The patch reserves the highest minor value (255) to mean that no minor
was assigned. It also removes some dead code and does a small style
fixup.
Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Cc: stable <stable@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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This patch (as1117) adds a kerneldoc line for the "needs_binding"
field in struct usb_interface. It was accidentally omitted when the
field was added.
Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/security-testing-2.6
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/security-testing-2.6:
CRED: Introduce credential access wrappers
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The patches that are intended to introduce copy-on-write credentials for 2.6.28
require abstraction of access to some fields of the task structure,
particularly for the case of one task accessing another's credentials where RCU
will have to be observed.
Introduced here are trivial no-op versions of the desired accessors for current
and other tasks so that other subsystems can start to be converted over more
easily.
Wrappers are introduced into a new header (linux/cred.h) for UID/GID,
EUID/EGID, SUID/SGID, FSUID/FSGID, cap_effective and current's subscribed
user_struct. These wrappers are macros because the ordering between header
files mitigates against making them inline functions.
linux/cred.h is #included from linux/sched.h.
Further, XFS is modified such that it no longer defines and uses parameterised
versions of current_fs[ug]id(), thus getting rid of the namespace collision
otherwise incurred.
Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: James Morris <jmorris@namei.org>
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* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6: (56 commits)
netns: Fix crash by making igmp per namespace
bnx2x: Version update
bnx2x: Checkpatch compliance
bnx2x: Spelling mistakes
bnx2x: Minor code improvements
bnx2x: Driver info
bnx2x: 1G LED does not turn off
bnx2x: 8073 PHY changes
bnx2x: Change GPIO for any port
bnx2x: Pause settings
bnx2x: Link order with external PHY
bnx2x: No LRO without Rx checksum
bnx2x: Wrong structure size
bnx2x: WoL capability
bnx2x: Clearing MAC addresses filters
bnx2x: Delay in while loops
bnx2x: PBA Table Page Alignment Workaround
bnx2x: Self-test false positive
bnx2x: Memory allocation
bnx2x: HW attention lock
...
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This patch removes ip6_prohibit_entry and ip6_blk_hole_entry
declarations from include/net/ip6_route.h as they are unused.
Signed-off-by: Rami Rosen <ramirose@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch removes rt6_lock declaration from include/net/ip6_route.h
as it is unused.
Signed-off-by: Rami Rosen <ramirose@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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