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git://git.kernel.org/pub/scm/linux/kernel/git/davej/cpufreq
* 'fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/davej/cpufreq:
[CPUFREQ] acpi-cpufreq: add missing __percpu markup
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See commit 1527bc8b928dd1399c3d3467dd47d9ede210978a.
Signed-off-by: Chris Metcalf <cmetcalf@tilera.com>
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Mark arguments to certain system calls as being const where they should be but
aren't. The list includes:
(*) The filename arguments of various stat syscalls, execve(), various utimes
syscalls and some mount syscalls.
(*) The filename arguments of some syscall helpers relating to the above.
(*) The buffer argument of various write syscalls.
Signed-off-by: David Howells <dhowells@redhat.com>
Acked-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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These have been broken (returning "int") since the dawn of
time. But there were no users that needed the whole value
until commit
424acaaeb3a3932d64a9b4bd59df6cf72c22d8f3
rwsem: wake queued readers when writer blocks on active read lock
made this change:
- (rwsem_atomic_update(0, sem) & RWSEM_ACTIVE_MASK))
- /* Someone grabbed the sem already */
+ rwsem_atomic_update(0, sem) < RWSEM_WAITING_BIAS)
+ /* Someone grabbed the sem for write already */
RWSEM_ACTIVE_MASK is 0xffffffffL, so the old code only looked
at the low order 32-bits. The new code needs to see all 64 bits.
Signed-off-by: Tony Luck <tony.luck@intel.com>
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Until now, the tile architecture ABI for syscall return has just been
that r0 holds the return value, and an error is only signalled like it is
for kernel code, with a negative small number.
However, this means that in multiple places in userspace we end up writing
the same three-cycle idiom that tests for a small negative number for
error. It seems cleaner to instead move that code into the kernel, and
set r1 to hold zero on success or errno on failure; previously, r1 was
just zeroed on return from the kernel (to avoid leaking kernel state).
This way a single conditional branch after the syscall is sufficient
to test for the failure case. The number of cycles taken is the same,
but the error-checking code is in just one place, so total code size is
smaller, and random userspace syscall code is easier to understand.
Signed-off-by: Chris Metcalf <cmetcalf@tilera.com>
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* 'for-linus' of git://git390.marist.edu/pub/scm/linux-2.6:
[S390] partitions: fix build error in ibm partition detection code
[S390] appldata: fix dev_get_stats 64 bit conversion
[S390] wire up prlimit64 and fanotify* syscalls
[S390] zcrypt: fix Kconfig dependencies
[S390] sys_personality: follow u_long to unsigned int conversion
[S390] dasd: fix format string types
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'perf-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: (30 commits)
perf: Add back list_head data types
perf ui hist browser: Fixup key bindings
perf ui browser: Add ui_browser__show counterpart: __hide
perf annotate: Cycle thru sorted lines with samples
perf ui: Make SPACE work as PGDN in all browsers
perf annotate: Sort by hottest lines in the TUI
perf ui: Complete the breakdown of util/newt.c
perf ui: Move hists browser to util/ui/browsers/
perf symbols: Ignore mapping symbols on ARM
perf ui: Move map browser to util/ui/browsers/
perf ui: Move annotate browser to util/ui/browsers/
perf ui: Move ui_progress routines to separate file in util/ui/
perf ui: Move ui_helpline routines to separate file in util/ui/
perf ui: Shorten ui_browser member names
perf, x86: P4 PMU -- update nmi irq statistics and unmask lvt entry properly
perf ui: Start breaking down newt.c into multiple files
perf tui: Introduce list_head based generic ui_browser refresh routine
perf probe: Fix memory leaks in add_perf_probe_events
perf probe: Fix to copy the type for raw parameters
perf report: Speed up exit path
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'x86-uv-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
x86, UV: Initialize BAU MMRs only on hubs with cpus
x86, UV: Modularize BAU send and wait
x86, UV: BAU broadcast to the local hub
x86, UV: Correct BAU regular message type
x86, UV: Remove BAU check for stay-busy
x86, UV: Correct BAU discovery of hubs and sockets
x86, UV: Correct BAU software acknowledge
x86, UV: BAU structure rearranging
x86, UV: Shorten access to BAU statistics structure
x86, UV: Disable BAU on network congestion
x86, UV: BAU tunables into a debugfs file
x86, UV: Calculate BAU destination timeout
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'x86/urgent' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
x86, asm: Use a lower case name for the end macro in atomic64_386_32.S
x86, asm: Refactor atomic64_386_32.S to support old binutils and be cleaner
x86: Document __phys_reloc_hide() usage in __pa_symbol()
x86, apic: Map the local apic when parsing the MP table.
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It's wrong for several reasons, but the most direct one is that the
fault may be for the stack accesses to set up a previous SIGBUS. When
we have a kernel exception, the kernel exception handler does all the
fixups, not some user-level signal handler.
Even apart from the nested SIGBUS issue, it's also wrong to give out
kernel fault addresses in the signal handler info block, or to send a
SIGBUS when a system call already returns EFAULT.
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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acpi_perf_data is a percpu pointer but was missing __percpu markup.
Add it.
Signed-off-by: Namhyung Kim <namhyung@gmail.com>
Acked-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Dave Jones <davej@redhat.com>
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This change rolls up random cleanups not representing any actual bugs.
- Remove a stale CONFIG_ value from the default tile_defconfig
- Remove unused tns_atomic_xxx() family of methods from <asm/atomic.h>
- Optimize get_order() using Tile's "clz" instruction
- Fix a bad hypervisor upcall name (not currently used in Linux anyway)
- Use __copy_in_user_inatomic() name for consistency, and export it
- Export some additional hypervisor driver I/O upcalls and some homecache calls
- Remove the obfuscating MEMCPY_TEST_WH64 support code
- Other stray comment cleanups, #if 0 removal, etc.
Signed-off-by: Chris Metcalf <cmetcalf@tilera.com>
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This functionality was stubbed out until recently. Now we support our
normal backtracing API on TILE-Gx as well as on TILE64/TILEPro.
This change includes a tweak to the instruction encoding caused by
adding addxli for compat mode.
Signed-off-by: Chris Metcalf <cmetcalf@tilera.com>
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First, the siginfo preamble wasn't quite right; we need to indicate
that we are padding up to 4 ints of preamble for 64-bit code, and
then for compat mode we need to pad differently, using only 3 ints.
Second, the C ABI requires a save area of two registers, not two
pointers, since in compat mode we have 64-bit registers all of which
we need to save, even though we only have 32-bit VAs.
Signed-off-by: Chris Metcalf <cmetcalf@tilera.com>
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We were using the same 5-sec minsec for the clocksource and sched_clock
that we were using for the clock_event_device. For the clock_event_device
that's exactly right since it has a short maximum countdown time.
But for sched_clock we want to avoid wraparound when converting from
ticks to nsec over a much longer window, so we force a shift of 10.
And for clocksource it seems dodgy to use a 5-sec minsec as well, so we
copy some other platforms and force a shift of 22.
Signed-off-by: Chris Metcalf <cmetcalf@tilera.com>
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initrd.
Signed-off-by: Chris Metcalf <cmetcalf@tilera.com>
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Signed-off-by: Andrea Gelmini <andrea.gelmini@gelma.net>
Signed-off-by: Chris Metcalf <cmetcalf@tilera.com>
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Signed-off-by: Andrea Gelmini <andrea.gelmini@gelma.net>
Signed-off-by: Chris Metcalf <cmetcalf@tilera.com>
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Fix this warning:
arch/s390/appldata/appldata_net_sum.c: In function 'appldata_get_net_sum_data':
arch/s390/appldata/appldata_net_sum.c:89: warning: initialization from incompatible pointer type
which was introduced with be1f3c2c027cc5ad735df6a45a542ed1db7ec48b
"net: Enable 64-bit net device statistics on 32-bit architectures"
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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commit 485d527686850d68a0e9006dd9904f19f122485e "sys_personality: change
sys_personality() to accept "unsigned int" instead of u_long" changed
the syscall interface for sys_personality.
Just follow the common code change in our arch code to avoid confusion.
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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Merge reason: Fix upstream breakage introduced by:
de5d9bf: Move list types from <linux/list.h> to <linux/types.h>.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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This replaces Version 1 of this patch, which broke the build when
CONFIG_KEXEC and CONFIG_CRASH_DUMP were configured off. In that case
the storage for the 'in_crash_kexec' flag was never built.
This version defines that flag as 0 if CONFIG_KEXEC is not set.
The patch is tested with all combinations of those two options.
Signed-off-by: Cliff Wickman <cpw@sgi.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
LKML-Reference: <E1OiZcw-0001Hb-2g@eag09.americas.sgi.com>
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
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* 'io_remap_pfn_range' of git://www.jni.nu/cris:
CRIS: Define io_remap_pfn_range as remap_pfn_range
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* 'msm-core' of git://codeaurora.org/quic/kernel/dwalker/linux-msm:
msm: mmc: Add msm prefix to platform data structure
msm: trout: Remove extern declaration from source file
arm: msm: Fix section mismatch in smd.c.
arm: msm: trout add mmc support
arm: msm: trout: add trout specific gpio interrupts
arm: msm: remove unused #include <linux/version.h>
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git://git.kernel.org/pub/scm/linux/kernel/git/davej/cpufreq
* 'fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/davej/cpufreq:
[CPUFREQ] add missing __percpu markup in pcc-cpufreq.c
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git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux-2.6-for-linus
* 'params' of git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux-2.6-for-linus: (22 commits)
param: don't deref arg in __same_type() checks
param: update drivers/acpi/debug.c to new scheme
param: use module_param in drivers/message/fusion/mptbase.c
ide: use module_param_named rather than module_param_call
param: update drivers/char/ipmi/ipmi_watchdog.c to new scheme
param: lock if_sdio's lbs_helper_name and lbs_fw_name against sysfs changes.
param: lock myri10ge_fw_name against sysfs changes.
param: simple locking for sysfs-writable charp parameters
param: remove unnecessary writable charp
param: add kerneldoc to moduleparam.h
param: locking for kernel parameters
param: make param sections const.
param: use free hook for charp (fix leak of charp parameters)
param: add a free hook to kernel_param_ops.
param: silence .init.text references from param ops
Add param ops struct for hvc_iucv driver.
nfs: update for module_param_named API change
AppArmor: update for module_param_named API change
param: use ops in struct kernel_param, rather than get and set fns directly
param: move the EXPORT_SYMBOL to after the definitions.
...
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The current computation, introduced with f12a15be63, of FSEC_PER_SEC using
the multiplication of (FSEC_PER_NSEC * NSEC_PER_SEC) is performed only
with 32bit integers on small machines, resulting in an overflow and a
*very* short intervals being programmed. An interrupt storm follows.
Note that we also have to specify FSEC_PER_SEC as being long long to
overcome the same limitations.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: John Stultz <johnstul@us.ibm.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Acked-by: Ingo Molnar <mingo@elte.hu>
Acked-by: H. Peter Anvin <hpa@zytor.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Use no_printk() for disabled gdbstub debugging functions to maintain side
effect checking.
Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Add a dummy printk function for the maintenance of unused printks through gcc
format checking, and also so that side-effect checking is maintained too.
Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Don't try and #include <linux/slab.h> in lib/inflate.c from the bootloader code
as linux/slab.h hauls in function defs that aren't available in the bootloader
code and may also haul in conflicting functions.
To fix this, make the inclusion of linux/slab.h contingent on NO_INFLATE_MALLOC
as are the usages of kmalloc() and kfree().
In MN10300, this causes the following errors:
In file included from include/linux/string.h:21,
from include/linux/bitmap.h:8,
from include/linux/nodemask.h:93,
from include/linux/mmzone.h:16,
from include/linux/gfp.h:4,
from include/linux/slab.h:12,
from arch/mn10300/boot/compressed/../../../../lib/inflate.c:106,
from arch/mn10300/boot/compressed/misc.c:170:
/warthog/am33/linux-2.6-mn10300/arch/mn10300/include/asm/string.h:19: error: conflicting types for 'memset'
arch/mn10300/boot/compressed/misc.c:59: error: previous definition of 'memset' was here
Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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With the newer compilers, size_t and ssize_t are expected to be (un)signed int
rather than (un)signed long.
Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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A change to the RTC routines in the MN10300 arch used set_rtc_mms() when it
meant set_rtc_mmss(). This results in an error due to a reference of an
undefined symbol.
Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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pcc_cpu_info is a percpu pointer but was missing __percpu markup.
Add it.
Signed-off-by: Namhyung Kim <namhyung@gmail.com>
Acked-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Dave Jones <davej@redhat.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux-2.6
* 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux-2.6:
[IA64] Fix rwsem: RWSEM_WAITING_BIAS must not be unsigned.
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Some nice improvements were made to rwsem in commit:
424acaaeb3a3932d64a9b4bd59df6cf72c22d8f3
rwsem: wake queued readers when writer blocks on active read lock
but this change overlooked that ia64 had defined RWSEM_WAITING_BIAS
as an unsigned value, while the new code required a signed value (as
it is in every other architecture).
This fix suggested by the original patch author: Michel Lespinasse.
Signed-off-by: Tony Luck <tony.luck@intel.com>
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* 'next-devicetree' of git://git.secretlab.ca/git/linux-2.6:
mmc_spi: Fix unterminated of_match_table
of/sparc: fix build regression from of_device changes
of/device: Replace struct of_device with struct platform_device
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git://git.kernel.org/pub/scm/linux/kernel/git/konrad/xen
* 'stable/xen-swiotlb-0.8.6' of git://git.kernel.org/pub/scm/linux/kernel/git/konrad/xen:
x86: Detect whether we should use Xen SWIOTLB.
pci-swiotlb-xen: Add glue code to setup dma_ops utilizing xen_swiotlb_* functions.
swiotlb-xen: SWIOTLB library for Xen PV guest with PCI passthrough.
xen/mmu: inhibit vmap aliases rather than trying to clear them out
vmap: add flag to allow lazy unmap to be disabled at runtime
xen: Add xen_create_contiguous_region
xen: Rename the balloon lock
xen: Allow unprivileged Xen domains to create iomap pages
xen: use _PAGE_IOMAP in ioremap to do machine mappings
Fix up trivial conflicts (adding both xen swiotlb and xen pci platform
driver setup close to each other) in drivers/xen/{Kconfig,Makefile} and
include/xen/xen-ops.h
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parisc __ioremap(): fix off-by-one error in page alignment of allocation
size for sizes where size%PAGE_SIZE==1.
Signed-off-by: Florian Zumbiehl <florz@florz.de>
Cc: Kyle McMartin <kyle@mcmartin.ca>
Acked-by: Helge Deller <deller@gmx.de>
Tested-by: Helge Deller <deller@gmx.de>
Cc: "James E.J. Bottomley" <jejb@parisc-linux.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Don't dereference vma if it's NULL.
Signed-off-by: Roel Kluin <roel.kluin@gmail.com>
Cc: Chen Liqin <liqin.chen@sunplusct.com>
Cc: Lennox Wu <lennox.wu@gmail.com>
Cc: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Use a lowercase name for the end macro, which somehow fixes a binutils 2.16
problem.
Signed-off-by: Luca Barbieri <luca@luca-barbieri.com>
LKML-Reference: <tip-30246557a06bb20618bed906a06d1e1e0faa8bb4@git.kernel.org>
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
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CRIS don't need any special mapping for io, but didn't define this,
meaning that all uses of io_remap_pfn_range lead to compile errors.
This fixes a compile error introduced in CRIS when drivers/mtd/mtdchar.c
mmap handling was changed in commit dd02b67d5e9e7896891fa27eb5db65f55a290998
Signed-off-by: Jesper Nilsson <jesper.nilsson@axis.com>
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This platform didn't properly fill nr_chips in gen_nand
registration and therefore depended on gen_nand bug fixed by commit
81cbb0b17796d81cbd92defe113cf2a7c7a21fbb ("mtd: gen_nand: fix support for
multiple chips")
Signed-off-by: Marek Vasut <marek.vasut@gmail.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
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These two platforms didn't properly fill nr_chips in gen_nand
registration and therefore depended on gen_nand bug fixed by by commit
81cbb0b17796d81cbd92defe113cf2a7c7a21fbb ("mtd: gen_nand: fix support for
multiple chips")
Signed-off-by: Marek Vasut <marek.vasut@gmail.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
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The old code didn't work on binutils 2.12 because setting a symbol to
a register apparently requires a fairly recent version.
This commit refactors the code to use the C preprocessor instead, and
in the process makes the whole code a bit easier to understand.
The object code produced is unchanged as expected.
This fixes kernel bugzilla 16506.
Reported-by: Dieter Stussy <kd6lvw+software@kd6lvw.ampr.org>
Signed-off-by: Luca Barbieri <luca@luca-barbieri.com>
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
Cc: <stable@kernel.org> 2.6.35
LKML-Reference: <tip-*@git.kernel.org>
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These three platforms didn't properly fill nr_chips in gen_nand
registration and therefore depended on gen_nand bug fixed by commit
81cbb0b17796d81cbd92defe113cf2a7c7a21fbb ("mtd: gen_nand: fix support for
multiple chips")
Signed-off-by: Marek Vasut <marek.vasut@gmail.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6:
isofs: Fix lseek() to position beyond 4 GB
vfs: remove unused MNT_STRICTATIME
vfs: show unreachable paths in getcwd and proc
vfs: only add " (deleted)" where necessary
vfs: add prepend_path() helper
vfs: __d_path: dont prepend the name of the root dentry
ia64: perfmon: add d_dname method
vfs: add helpers to get root and pwd
cachefiles: use path_get instead of lone dget
fs/sysv/super.c: add support for non-PDP11 v7 filesystems
V7: Adjust sanity checks for some volumes
Add v7 alias
v9fs: fixup for inode_setattr being removed
Manual merge to take Al's version of the fs/sysv/super.c file: it merged
cleanly, but Al had removed an unnecessary header include, so his side
was better.
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git://git.kernel.org/pub/scm/linux/kernel/git/chris/linux-2.6
* 'ixp4xx' of git://git.kernel.org/pub/scm/linux/kernel/git/chris/linux-2.6:
IXP4xx: Fix LL debugging on little-endian CPU.
IXP4xx: Fix sparse warnings in I/O primitives.
IXP4xx: Make mdio_bus struct static in the Ethernet driver.
IXP4xx: Fix ixp4xx_crypto little-endian operation.
IXP4xx: Prevent HSS transmitter lockup by disabling FRaMe signals.
ixp4xx/vulcan: add PCI support
ixp4xx: base support for Arcom Vulcan
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* 'for-linus' of master.kernel.org:/home/rmk/linux-2.6-arm: (226 commits)
ARM: 6323/1: cam60: don't use __init for cam60_spi_{flash_platform_data,partitions}
ARM: 6324/1: cam60: move cam60_spi_devices to .init.data
ARM: 6322/1: imx/pca100: Fix name of spi platform data
ARM: 6321/1: fix syntax error in main Kconfig file
ARM: 6297/1: move U300 timer to dynamic clock lookup
ARM: 6296/1: clock U300 intcon and timer properly
ARM: 6295/1: fix U300 apb_pclk split
ARM: 6306/1: fix inverted MMC card detect in U300
ARM: 6299/1: errata: TLBIASIDIS and TLBIMVAIS operations can broadcast a faulty ASID
ARM: 6294/1: etm: do a dummy read from OSSRR during initialization
ARM: 6292/1: coresight: add ETM management registers
ARM: 6288/1: ftrace: document mcount formats
ARM: 6287/1: ftrace: clean up mcount assembly indentation
ARM: 6286/1: fix Thumb-2 decompressor broken by "Auto calculate ZRELADDR"
ARM: 6281/1: video/imxfb.c: allow usage without BACKLIGHT_CLASS_DEVICE
ARM: 6280/1: imx: Fix build failure when including <mach/gpio.h> without <linux/spinlock.h>
ARM: S5PV210: Fix on missing s3c-sdhci card detection method for hsmmc3
ARM: S5P: Fix on missing S5P_DEV_FIMC in plat-s5p/Kconfig
ARM: S5PV210: Override FIMC driver name on Aquila board
ARM: S5PC100: enable FIMC on SMDKC100
...
Fix up conflicts in arch/arm/mach-{s5pc100,s5pv210}/cpu.c due to
different subsystem 'setname' calls, and trivial port types in
include/linux/serial_core.h
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