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have it return the buffer it had allocated
Acked-by: Stephen Smalley <sds@tycho.nsa.gov>
Acked-by: James Morris <jmorris@namei.org>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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sys_mbind
sys_get_mempolicy
sys_set_mempolicy
sys_kexec_load
sys_move_pages
sys_getcpu
sys_epoll_pwait
This work is largely a result of David Woodhouse's most
excellent missing syscalls patch.
Signed-off-by: David S. Miller <davem@davemloft.net>
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master.kernel.org:/pub/scm/linux/kernel/git/paulus/powerpc
* 'merge' of master.kernel.org:/pub/scm/linux/kernel/git/paulus/powerpc:
[POWERPC] sys_move_pages should be callable from an SPU
[POWERPC] Wire up sys_epoll_pwait
[POWERPC] Allocate syscall number for sys_getcpu
[POWERPC] update cell_defconfig
[POWERPC] ps3: always make sure were running on a PS3
[POWERPC] Fix spu SLB invalidations
[POWERPC] avoid SPU_ACTIVATE_NOWAKE optimization
[POWERPC] spufs: fix possible memory corruption is spufs_mem_write
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* master.kernel.org:/pub/scm/linux/kernel/git/davem/sparc-2.6:
[SPARC]: Fix TIF_USEDFPU flag atomicity
[SPARC64]: Fix atomicity of TIF update in flush_thread()
[BW2]: Fix section mismatch warnings.
[CG14]: Fix section mismatch warnings.
[SPARC]: We do not need OLD_GETRLIMIT.
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Some gcc put this function in .init.text because the header didn't
match.
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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times.
Because we do not reserve space for the pci-x and pci-e state in struct
pci dev we need to dynamically allocate it. However because we need
to support restore being called multiple times after a single save
it is never safe to free the buffers we have allocated to hold the
state.
So this patch modifies the save routines to first check to see
if we have already allocated a state buffer before allocating
a new one. Then the restore routines are modified to not free
the state after restoring it. Simple and it fixes some subtle
error path handling bugs, that are hard to test for.
Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Acked-by: Auke Kok <auke-jan.h.kok@intel.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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There are two ways pci_save_state and pci_restore_state are used. As
helper functions during suspend/resume, and as helper functions around
a hardware reset event. When used as helper functions around a hardware
reset event there is no reason to believe the calls will be paired, nor
is there a good reason to believe that if we restore the msi state from
before the reset that it will match the current msi state. Since arch
code may change the msi message without going through the driver, drivers
currently do not have enough information to even know when to call
pci_save_state to ensure they will have msi state in sync with the other
kernel irq reception data structures.
It turns out the solution is straight forward, cache the state in the
existing msi data structures (not the magic pci saved things) and
have the msi code update the cached state each time we write to the hardware.
This means we never need to read the hardware to figure out what the hardware
state should be.
By modifying the caching in this manner we get to remove our save_state
routines and only need to provide restore_state routines.
The only fields that were at all tricky to regenerate were the msi and msi-x
control registers and the way we regenerate them currently is a bit dependent
upon assumptions on how we use the allow msi registers to be configured and used
making the code a little bit brittle. If we ever change what cases we allow
or how we configure the msi bits we can address the fragility then.
Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Acked-by: Auke Kok <auke-jan.h.kok@intel.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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* master.kernel.org:/home/rmk/linux-2.6-arm:
[ARM] 4263/1: fix IXP4XX_NPE[ABC]_BASE_VIRT address
[ARM] 4256/1: i.MX/MX1 SDHC fix/workaround of SD card recognition problems
[ARM] 4255/1: i.MX/MX1 Correct MPU PLL reference clock value.
[ARM] 4254/1: i.MX/MX1 CPU Frequency scaling honor boot loader set BCLK_DIV.
[ARM] 4251/1: Fix sharpsl_pm dependency
[ARM] 4250/1: Fix locomo backlight conversion error/compile failure
[ARM] 4249/1: Fix tosa compile failure
[ARM] 4248/1: lh7a40x: fix missing definitions for get_irqnr_preamble
[ARM] 4247/1: Fix long name for cc9p9360dev
ARM: OMAP: Fix OMAP2 dss2 so clk_set_parent works
ARM: OMAP: Fix missing workqueue include in board-h2.c
ARM: OMAP: Include missing header
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This fixs address defines for IXP4XX_NPE[ABC]_BASE_VIRT.
They are defined as (IXP4XX_PERIPHERAL_BASE_PHYS + 0x[678]000) now,
but they should be defined as (IXP4XX_PERIPHERAL_BASE_VIRT + 0x[678]000). Note PHYS vs VIRT in IXP4XX_PERIPHERAL_BASE...
Signed-off-by: Milan Svoboda <msvoboda@ra.rockwell.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Paul Mackerras <paulus@samba.org>
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Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Paul Mackerras <paulus@samba.org>
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I forgot to do this when wiring up the syscall.
Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Paul Mackerras <paulus@samba.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/arnd/cell-2.6 into merge
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Signed-off-by: David S. Miller <davem@davemloft.net>
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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] refresh config files
[IA64] put kdump_find_rsvd_region in __init
[IA64] Remove sparse warning from unwind code
[IA64] add missing syscall trace clear
[IA64] Cleanup in crash.c
[IA64] kexec: declare ia64_mca_pal_base in mca.h rather than kexec.h
[IA64] pci_get_legacy_ide_irq should return irq (not GSI)
[IA64] whitespace fixes for include/asm-ia64/sal.h
[IA64] Cache error recovery
[IA64] Proper handling of TLB errors from duplicate itr.d dropins
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The SPU code doesn't properly invalidate SPUs SLBs when necessary,
for example when changing a segment size from the hugetlbfs code. In
addition, it saves and restores the SLB content on context switches
which makes it harder to properly handle those invalidations.
This patch removes the saving & restoring for now, something more
efficient might be found later on. It also adds a spu_flush_all_slbs(mm)
that can be used by the core mm code to flush the SLBs of all SPEs that
are running a given mm at the time of the flush.
In order to do that, it adds a spinlock to the list of all SPEs and move
some bits & pieces from spufs to spu_base.c
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
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o Fix build error.
o Handle error returns.
o Deal with signals received while sleeping.
o Don't allow to be selected when we're not building the directory with
the driver anyway.
o Coding style cleanups.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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* git://git.infradead.org/mtd-2.6:
[JFFS2] print a message when marking bad block
[JFFS2] Check for all-zero node headers
[MTD] [OneNAND] Classify the page data and oob buffer
[MTD] [OneNAND] Exit the loop when transferring/filling of the oob is finished
[MTD] [OneNAND] add Nokia Copyright and a credit
[MTD] [OneNAND] Fix typo & wrong comments
[MTD] [OneNAND] Use oob buffer instead of main one in oob functions
[MTD] Correct partition failed erase address
[JFFS2] Use yield() between GC passes in background thread.
[MTD] [NAND] Correct misspelled preprocessor variable.
[MTD] [MAPS] dilnetpc: Fix printk warning
[MTD] [NOR] Fix oops in cfi_amdstd_sync
[MTD] ESB2 check for closed ROM window
[JFFS2] Fix writebuffer recovery in the first page of a block
[MTD] [NAND] make oobavail public
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Classify the page data and oob buffer
and it prevents the memory fragementation (writesize + oobsize)
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: David Woodhouse <dwmw2@infradead.org>
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Need to provide {claim,release}_dma_lock() for this guy too.
Signed-off-by: David S. Miller <davem@davemloft.net>
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Running ia64 through sparse gives warnings in the unwind code.
include/asm-ia64/unwind.h:84:17: error: dubious bitfield without explicit `signed' or `unsigned'
Make the bitfield explicitly unsigned.
Signed-off-by: Keith Owens <kaos@sgi.com>
Signed-off-by: Tony Luck <tony.luck@intel.com>
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* Kexec adds some code to arch/ia64/kernel/smp.c which needs ia64_mca_pal_base,
so the kexec patch (actually the kdump patch) declares this
per-cpu variable in include/asm-ia64/kexec.h.
* ia64_mca_pal_base is defined in arch/ia64/kernel/mca.c, so it
seems to me that it would make a lot more sense to declare it in
include/asm-ia64/mca.h.
Signed-off-by: Simon Horman <horms@verge.net.au>
Signed-off-by: Tony Luck <tony.luck@intel.com>
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Function pci_get_legacy_ide_irq is incorrect on ia64. It should return
irq vector instead of GSI. The fixed number 14 and 15 are just GSI.
Signed-off-by: Zhang Yanmin <yanmin.zhang@intel.com>
Signed-off-by: Tony Luck <tony.luck@intel.com>
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* Make use of spaces and tabs consistent
* Make long line < 80col
Signed-off-by: Simon Horman <horms@verge.net.au>
Signed-off-by: Tony Luck <tony.luck@intel.com>
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Jack Steiner noticed that duplicate TLB DTC entries do not cause a
linux panic. See discussion:
http://www.gelato.unsw.edu.au/archives/linux-ia64/0307/6108.html
The current TLB recovery code is recovering from the duplicate itr.d
dropins, masking the underlying problem. This change modifies
the MCA recovery code to look for the TLB check signature of the
duplicate TLB entry and panic in that case.
Signed-off-by: Russ Anderson (rja@sgi.com)
Signed-off-by: Tony Luck <tony.luck@intel.com>
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IA64 and ARM-OABI are currently using their own version of epoll compat_
code.
An architecture needs epoll_event translation if alignof(u64) in 32 bit
mode is different from alignof(u64) in 64 bit mode. If an architecture
needs epoll_event translation, it must define struct compat_epoll_event in
asm/compat.h and set CONFIG_HAVE_COMPAT_EPOLL_EVENT and use
compat_sys_epoll_ctl and compat_sys_epoll_wait.
All 64 bit architecture should use compat_sys_epoll_pwait.
[sfr: restructure and move to fs/compat.c, remove MIPS version
of compat_sys_epoll_pwait, use __put_user_unaligned]
Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Cc: David Woodhouse <dwmw2@infradead.org>
Cc: Russell King <rmk@arm.linux.org.uk>
Cc: "Luck, Tony" <tony.luck@intel.com>
Cc: "David S. Miller" <davem@davemloft.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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commit f80dff9da07d81da16e3b842118d47b9febf9c01 missed the needed
definitions within the #elif blocks in
include/asm-arm/arch-lh7a40x/entry-macro.S
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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During the MTD rework the oobavail parameter of mtd_info structure has become
private. This is not quite correct in terms of integrity and logic. If we have
means to write to OOB area, then we'd like to know upfront how many bytes out
of OOB are spare per page to be able to adapt to specific cases.
The patch inlined adds the public oobavail parameter.
Signed-off-by: Vitaly Wool <vwool@ru.mvista.com>
Signed-off-by: David Woodhouse <dwmw2@infradead.org>
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* master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6:
[BRIDGE]: adding new device to bridge should enable if up
[IPV6]: Do not set IF_READY if device is down
[IPSEC]: xfrm audit hook misplaced in pfkey_delete and xfrm_del_sa
[IPSEC]: Add xfrm policy change auditing to pfkey_spdget
[IPSEC]: xfrm_policy delete security check misplaced
[CONNECTOR]: Bugfix for cn_call_callback()
[DCCP]: Revert patch which disables bidirectional mode
[IPV6]: Handle np->opt being NULL in ipv6_getsockopt_sticky().
[UDP]: Reread uh pointer after pskb_trim
[NETFILTER]: nfnetlink_log: fix crash on bridged packet
[NETFILTER]: nfnetlink_log: zero-terminate prefix
[NETFILTER]: nf_conntrack_ipv6: fix incorrect classification of IPv6 fragments as ESTABLISHED
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Lost CONFIG_ prefix discovered by Robert P. J. Day <rpjday@mindspring.com>.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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The security hooks to check permissions to remove an xfrm_policy were
actually done after the policy was removed. Since the unlinking and
deletion are done in xfrm_policy_by* functions this moves the hooks
inside those 2 functions. There we have all the information needed to
do the security check and it can be done before the deletion. Since
auditing requires the result of that security check err has to be passed
back and forth from the xfrm_policy_by* functions.
This patch also fixes a bug where a deletion that failed the security
check could cause improper accounting on the xfrm_policy
(xfrm_get_policy didn't have a put on the exit path for the hold taken
by xfrm_policy_by*)
It also fixes the return code when no policy is found in
xfrm_add_pol_expire. In old code (at least back in the 2.6.18 days) err
wasn't used before the return when no policy is found and so the
initialization would cause err to be ENOENT. But since err has since
been used above when we don't get a policy back from the xfrm_policy_by*
function we would always return 0 instead of the intended ENOENT. Also
fixed some white space damage in the same area.
Signed-off-by: Eric Paris <eparis@redhat.com>
Acked-by: Venkat Yekkirala <vyekkirala@trustedcs.com>
Acked-by: James Morris <jmorris@namei.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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* 'for-linus' of git://www.atmel.no/~hskinnemoen/linux/kernel/avr32:
avr32: dma-mapping.h
[AVR32] Don't use kmap() in flush_icache_page()
[AVR32] Fix bogus ti->flags manipulation in debug handler
[AVR32] Fix typo in include/asm-avr32/Kbuild
[AVR32] show_trace: Only walk valid stack addresses
[AVR32] at32_spi_setup_slaves should be __init
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* master.kernel.org:/pub/scm/linux/kernel/git/lethal/sh-2.6:
sh: Kill off I/O cruft for R7780RP.
sh: Revert lazy dcache writeback changes.
sh: Enable SM501 support for RTS7751R2D.
sh: Use L1_CACHE_BYTES for .data.cacheline_aligned.
sysctl: Support vdso_enabled sysctl on SH.
sh: Fix kernel thread stack corruption with preempt.
doc: Add SH to vdso and earlyprintk in kernel-parameters.txt
sh: Fix sigmask trampling in signal delivery.
sh: Clear UBC when not in use.
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Added dma_sync_single_range_for_cpu/device to dma-mapping.h in asm-avr32 to
call dma_sync_single_for_cpu/device. This patch enables b44 to compile on
systems with these cpus. This patch was created with the assumption that
another method of dma_sync_single_range_for_cpu/device does not exist on these
architectures.
Signed-off by: Gary Zambrano <zambrano@broadcom.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Haavard Skinnemoen <hskinnemoen@atmel.com>
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It's header-y, not headers-y.
Signed-off-by: Haavard Skinnemoen <hskinnemoen@atmel.com>
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* master.kernel.org:/pub/scm/linux/kernel/git/davem/sparc-2.6:
[SPARC64]: Fix floppy build failure.
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* master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6:
[DCCP]: Set RTO for newly created child socket
[DCCP]: Correctly split CCID half connections
[NET]: Fix compat_sock_common_getsockopt typo.
[NET]: Revert incorrect accept queue backlog changes.
[INET]: twcal_jiffie should be unsigned long, not int
[GIANFAR]: Fix compile error in latest git
[PPPOE]: Use ifindex instead of device pointer in key lookups.
[NETFILTER]: ip6_route_me_harder should take into account mark
[NETFILTER]: nfnetlink_log: fix reference counting
[NETFILTER]: nfnetlink_log: fix module reference counting
[NETFILTER]: nfnetlink_log: fix possible NULL pointer dereference
[NETFILTER]: nfnetlink_log: fix NULL pointer dereference
[NETFILTER]: nfnetlink_log: fix use after free
[NETFILTER]: nfnetlink_log: fix reference leak
[NETFILTER]: tcp conntrack: accept SYN|URG as valid
[NETFILTER]: nf_conntrack/nf_nat: fix incorrect config ifdefs
[NETFILTER]: conntrack: fix {nf,ip}_ct_iterate_cleanup endless loops
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* 'for-linus' of git://git390.osdl.marist.edu/pub/scm/linux-2.6:
[S390] cio: Call cancel_halt_clear even when actl == 0.
[S390] cio: Use path verification to check for path state.
[S390] cio: Fix locking when calling notify function.
[S390] Fixed handling of access register mode faults.
[S390] dasd: Use default recovery for SNSS requests
[S390] check_bugs() should be inline.
[S390] tape: Compression overwrites crypto setting
[S390] nss: disable kexec.
[S390] reipl: move dump_prefix_page out of text section.
[S390] smp: disable preemption in smp_call_function/smp_call_function_on
[S390] kprobes breaks BUG_ON
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on a constant"
This reverts commit 39d61db0edb34d60b83c5e0d62d0e906578cc707.
The commit was buggy in multiple ways:
- the conversion to ilog2() was incorrect to begin with
- it tested the wrong #defines, so on all architectures but FRV you'd
never see the bug except for constant arguments.
- the new "get_order()" macro used its arguments multiple times, and
didn't even parenthesize them properly
- despite the comments, it was not true that you could use it for
constant initializers, since not all architectures even use the
generic page.h header file.
All of the problems are individually fixable, but it all boils down to:
better just revert it, and re-do it from scratch.
Cc: David Howells <dhowells@redhat.com>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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For the Freescale M5282 ColdFire,
Port UA Pin Assignment Register should set to UART mode.
Patch submitted by David Wu <davidwu@arcturusnetworks.com>.
Signed-off-by: Greg Ungerer <gerg@uclinux.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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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] kexec: Use EFI_LOADER_DATA for ELF core header
[IA64] permon use-after-free fix
[IA64] sync compat getdents
[IA64] always build arch/ia64/lib/xor.o
[IA64] Remove stack hard limit on ia64
[IA64] point saved_max_pfn to the max_pfn of the entire system
Revert "[IA64] swiotlb abstraction (e.g. for Xen)"
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* 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-linus:
[MIPS] IP27: Build fix
[MIPS] Wire up ioprio_set and ioprio_get.
[MIPS] Fix __raw_read_trylock() to allow multiple readers
[MIPS] Export __copy_user_inatomic.
[MIPS] R2 bitops compile fix for gcc < 4.0.
[MIPS] TX39: Remove redundant tx39_blast_icache() calls
[MIPS] Cobalt: Fix early printk
[MIPS] SMTC: De-obscure Malta hooks.
[MIPS] SMTC: Add fordward declarations for mm_struct and task_struct.
[MIPS] SMTC: <asm/mips_mt.h> must include <linux/cpumask.h>
[MIPS] SMTC: <asm/smtc_ipi.h> must include <linux/spinlock.h>
[MIPS] Atlas, Malta: Fix build warning.
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* 'linus' of master.kernel.org:/pub/scm/linux/kernel/git/perex/alsa:
[ALSA] version 1.0.14rc3
[ALSA] cmipci - Allow to disable integrated FM port
[ALSA] hda-codec - Fix logic error in headphone mute for Conexant codecs
[ALSA] hda-codec - Add missing Mic Boost for AD1986A codec
[ALSA] ac97 - Add Thinkpad X31 and R40 to AD1981x blacklist
[ALSA] Add missing sysfs device assignment for ALSA PCI drivers
[ALSA] hda-codec - Define pin configs for MacBooks
[ALSA] hda-codec - Add missing Mic Boost controls for ALC262
[ALSA] soc - WM9712 PCM volume
[ALSA] soc - Fix WM9712 register cache entry
[ALSA] hda-codec - Add method for configuring Mac Pro without PCI SSID
[ALSA] hda-codec - Add LFE support on Dell M90
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git://git.kernel.org/pub/scm/linux/kernel/git/drzeus/mmc
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/drzeus/mmc:
sdhci: release irq during suspend
sdhci: make isr tolerant of read errors
mmc: require explicit support for high-speed
ncpfs: make sure server connection survives a kill
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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:
sis900 warning fixes
mv643xx_eth: Place explicit port number in mv643xx_eth_platform_data
pcnet32: Fix PCnet32 performance bug on non-coherent architecutres
__devinit & __devexit cleanups for de2104x driver
3c59x: Handle pci_enable_device() failure while resuming
dmfe: Fix link detection
dmfe: fix two bugs
dmfe: trivial/spelling fixes
revert "drivers/net/tulip/dmfe: support basic carrier detection"
ucc_geth: returns NETDEV_TX_BUSY when BD ring is full
ucc_geth: Fix BD processing
natsemi: netpoll fixes
bonding: Improve IGMP join processing
bonding: only receive ARPs for us
bonding: fix double dev_add_pack
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Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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A deadlock can occur for mixed irq and non-irq rwlock readers if a 2nd
reader attempts to take lock by looping around __raw_read_trylock().
Signed-off-by: Dave Johnson <djohnson+linux-mips@sw.starentnetworks.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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