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Based on an original patch from Christoph Hellwig <hch@lst.de>.
Currently, there is a possible reference-after-free in the spusched
code - contexts may be freed after we have released their state_mutex
in spusched_tick and find_victim.
This change takes a reference to the context before releasing the
mutex, so that the context doesn't get destroyed.
Signed-off-by: Jeremy Kerr <jk@ozlabs.org>
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Currently, spu_run ignores the npc argument for contexts created with
SPU_CREATE_NOSCHED. While this is correct for isolated contexts,
there's no need to enforce the npc restriction on non-isolated NOSCHED
contexts.
This means that NOSCHED contexts can only ever run with an entry point
of 0x0.
This change to spu_run_init allows setting of the npc (and, while we're
at it, the privcntl) for non-isolated NOSCHED contexts. This allows
us to run NOSCHED contexts from any entry point.
Signed-off-by: Jeremy Kerr <jk@ozlabs.org>
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* git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6: (29 commits)
sh: enable maple_keyb in dreamcast_defconfig.
SH2(A) cache update
nommu: Provide vmalloc_exec().
add addrespace definition for sh2a.
sh: Kill off ARCH_SUPPORTS_AOUT and remnants of a.out support.
sh: define GENERIC_HARDIRQS_NO__DO_IRQ.
sh: define GENERIC_LOCKBREAK.
sh: Save NUMA node data in vmcore for crash dumps.
sh: module_alloc() should be using vmalloc_exec().
sh: Fix up __bug_table handling in module loader.
sh: Add documentation and integrate into docbook build.
sh: Fix up broken kerneldoc comments.
maple: Kill useless private_data pointer.
maple: Clean up maple_driver_register/unregister routines.
input: Clean up maple keyboard driver
maple: allow removal and reinsertion of keyboard driver module
sh: /proc/asids depends on MMU.
arch/sh/boards/mach-se/7343/irq.c: removed duplicated #include
arch/sh/boards/board-ap325rxa.c: removed duplicated #include
sh/boards/Makefile typo fix
...
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git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc
* 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc:
powerpc: Remove use of CONFIG_PPC_MERGE
powerpc: Force printing of 'total_memory' to unsigned long long
powerpc: Fix compiler warning in arch/powerpc/mm/mem.c
powerpc: Move include files to arch/powerpc/include/asm
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Platforms that are using GENERIC_BUG must call in to
module_bug_finalize()/module_bug_cleanup() in order to scan modules with
their own __bug_table sections that are otherwise unaccounted.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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* 'for-linus' of git://git390.osdl.marist.edu/pub/scm/linux-2.6:
[S390] move include/asm-s390 to arch/s390/include/asm
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Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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Includes:
- SH2 (7619) Writeback support.
- SH2A cache handling fix.
Signed-off-by: Yoshinori Sato <ysato@users.sourceforge.jp>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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Newfile: arch/sh/include/cpu-sh2a/cpu/addrspace.h
This file seems had be removed to use fallback (cpu-common/cpu/addrspace.h),
but, I'd like to add sh2a specific file here, because
1. the values defined there are not suitable for sh2a.
2. I don't think there is "common" definition for these values.
Values are chosen by consideration of followings...
P1 is 0. perhaps no question.
P2 is from hardware manual, which says no-cache area starts at 20000000.
It means that P? space size=20000000.
P3 is P2+size since asm/ptrace.h uses P3 as a end of P2.
P4 is P3+size since asm/fixup.h uses P4 as a end of P3.
Signed-off-by: Takashi YOSHII <yoshii.takashi@renesas.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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SH never really supported a.out, so this was all just copied over blindly
from x86 way back when. As we don't reference linux/a.out.h anywhere in
the tree, these can now safely be killed off.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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We haven't called in to __do_IRQ() in a long time, so it seems like a
reasonable time to switch this on by default.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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Needed for fixing up the __raw_spin_is_contended() reference which
results in a build error.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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Presently the NUMA node data isn't saved on kexec. This implements a
simple arch_crash_save_vmcoreinfo() for saving off the relevant data.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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SH-X2 extended mode TLB allows for toggling of the exec bit, so make
sure we are using the right protection bits for module space there
also.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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We should be calling in to the lib/bug.c module helpers, fix that up.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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These were completely unparseable, so fix them up.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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Now that arch/ppc is gone and CONFIG_PPC_MERGE is always set, remove
the dead code associated with !CONFIG_PPC_MERGE from arch/powerpc
and include/asm-powerpc.
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>
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total_memory is a 'phys_addr_t', Which can be either 64 or 32 bits.
Force printing as unsigned long long to silence the warning.
Signed-off-by: Tony Breeds <tony@bakeyournoodle.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>
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Explicitly cast to unsigned long long, rather than u64.
Signed-off-by: Tony Breeds <tony@bakeyournoodle.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>
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from include/asm-powerpc. This is the result of a
mkdir arch/powerpc/include/asm
git mv include/asm-powerpc/* arch/powerpc/include/asm
Followed by a few documentation/comment fixups and a couple of places
where <asm-powepc/...> was being used explicitly. Of the latter only
one was outside the arch code and it is a driver only built for powerpc.
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: Paul Mundt <lethal@linux-sh.org>
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* 'for-linus' of master.kernel.org:/home/rmk/linux-2.6-arm:
[ARM] 5182/1: pxa: Fix pcm990 compilation
[ARM] Fix explicit asm(-arm)?/arch-foo references
[ARM] move include/asm-arm to arch/arm/include/asm
[ARM] Remove explicit dependency for misc.o from compressed/Makefile
[ARM] initrd: claim initrd memory exclusively
[ARM] pxa: add support for L2 outer cache on XScale3 (attempt 2)
[ARM] 5180/1: at91: Fix at91_nand -> atmel_nand rename fallout
[ARM] add Sascha Hauer as Freescale i.MX Maintainer
[ARM] i.MX: add missing clock functions exports
[ARM] i.MX: remove set_imx_fb_info() export
[ARM] mx1ads: make mmc platform data available for modules
[ARM] mx2: add missing Kconfig dependency
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Removed duplicated include <linux/irq.h> in
arch/sh/boards/mach-se/7343/irq.c.
Signed-off-by: Huang Weiyi <weiyi.huang@gmail.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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Removed duplicated include <linux/delay.h> in
arch/sh/boards/board-ap325rxa.c.
Signed-off-by: Huang Weiyi <weiyi.huang@gmail.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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Compiling pcm990 produces an error:
In file included from arch/arm/mach-pxa/pcm990-baseboard.c:25:
include/linux/ide.h:645: error: 'CONFIG_IDE_MAX_HWIFS' undeclared here (not in a function)
Fix it by removing unneeded header include.
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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The following build error was caused by an obvious typo:
<-- snip -->
...
LD arch/sh/mm/built-in.o
make[2]: *** No rule to make target `arch/sh/boards/board-shmin..o', needed by `arch/sh/boards/built-in.o'. Stop.
<-- snip -->
Reported-by: Adrian Bunk <bunk@kernel.org>
Signed-off-by: Adrian Bunk <bunk@kernel.org>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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No file should be explicitly referencing its own platform headers
by specifying an absolute include path. Fix these paths to use
standard <asm/arch/...> includes.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Move platform independent header files to arch/arm/include/asm, leaving
those in asm/arch* and asm/plat* alone.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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* git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-2.6:
sparc64: Do not clobber %g7 in setcontext() trap.
sparc64: Kill __show_regs().
sparc: Add __KERNEL__ ifdef protection to pt_regs helpers.
sparc64: Kill smp_report_regs().
sparc64: Kill VERBOSE_SHOWREGS code.
sparc64: Hook up trigger_all_cpu_backtrace().
sparc64: Make global reg dumping even more useful.
sparc: Ignore drivers/video/console/promcon_tbl.c conmakehash generated file
sparc64: FUTEX_OP_ANDN fix
sparc: merge of_platform_{32,64}.h
sparc64: Kill isa_bus_type.
sparc64: Fix global reg snapshotting on self-cpu.
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Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Commit f15cbe6f1a4b4d9df59142fc8e4abb973302cf44
(sh: migrate to arch/sh/include/) moved KBUILD_CFLAGS
(which is used by LIBGCC) below LIBGCC, causing build
errors like the following:
<-- snip -->
...
LD .tmp_vmlinux1
arch/sh/kernel/built-in.o: In function `module_clk_recalc':
clock-sh4.c:(.text+0x80f0): undefined reference to `__udivsi3_i4i'
...
make[1]: *** [.tmp_vmlinux1] Error 1
<-- snip -->
Reported-by: Adrian Bunk <bunk@kernel.org>
Signed-off-by: Adrian Bunk <bunk@kernel.org>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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This ended up causing build breakage on O= builds, as reported by Adrian:
<-- snip -->
...
CC init/main.o
In file included from /home/bunk/linux/kernel-2.6/git/linux-2.6/arch/sh/include/asm/irq.h:4,
from /home/bunk/linux/kernel-2.6/git/linux-2.6/include/linux/irq.h:23,
from /home/bunk/linux/kernel-2.6/git/linux-2.6/arch/sh/include/asm/hardirq.h:5,
from /home/bunk/linux/kernel-2.6/git/linux-2.6/include/linux/hardirq.h:7,
from /home/bunk/linux/kernel-2.6/git/linux-2.6/include/asm-generic/local.h:5,
from /home/bunk/linux/kernel-2.6/git/linux-2.6/arch/sh/include/asm/local.h:4,
from /home/bunk/linux/kernel-2.6/git/linux-2.6/include/linux/module.h:19,
from /home/bunk/linux/kernel-2.6/git/linux-2.6/init/main.c:13:
/home/bunk/linux/kernel-2.6/git/linux-2.6/arch/sh/include/asm/machvec.h:15:27:
error: asm/machtypes.h: No such file or directory
make[2]: *** [init/main.o] Error 1
<-- snip -->
So we simply move machtypes.h back to its original place. asm-offsets.h is
still generated there regardless, until such a time that we find a better place
to stash auto-generated files.
Reported-by: Adrian Bunk <bunk@kernel.org>
Signed-off-by: Paul Mundt <lethal@linux-sh.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] Move include/asm-ia64 to arch/ia64/include/asm
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Wire up for FRV the system calls that were added in the last merge window.
Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Wire up system calls added in the last merge window for the MN10300 arch.
Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/avi/kvm
* 'kvm-updates-2.6.27' of git://git.kernel.org/pub/scm/linux/kernel/git/avi/kvm:
KVM: s390: Fix kvm on IBM System z10
KVM: Advertise synchronized mmu support to userspace
KVM: Synchronize guest physical memory map to host virtual memory map
KVM: Allow browsing memslots with mmu_lock
KVM: Allow reading aliases with mmu_lock
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Presently this was always being set to AUDIT_ARCH_SH, which assumes
big endian. Fix this up so that the architecture actually reflects
what we're running on.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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This follows the changes in commits:
7d6d637dac2050f30a1b57b0a3dc5de4a10616ba
4f72c4279eab1e5f3ed1ac4e55d4527617582392
on powerpc. Adding in TIF_NOTIFY_RESUME, and cleaning up the syscall
tracing to be more generic. This is an incremental step to turning
on tracehook, as well as unifying more of the ptrace and signal code
across the 32/64 split.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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This converts the single stepping done by sh/sh64 ptrace implementations
to use the generic user_enable/disable_single_step(), and subsequently
rips out a lot of ptrace request cases that are now handled generically.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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This hooks up the seccomp thread flag and associated callback from the
syscall tracer.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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A quick cut and paste from other architectures to allow SH
to parse the elfcorehdr command line argument which is required
for both is_kdump_kernel() and vmcore to function.
(the former is as yet unused on SH).
Tested compilation only
Signed-off-by: Simon Horman <horms@verge.net.au>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6: (46 commits)
tcp: MD5: Fix IPv6 signatures
skbuff: add missing kernel-doc for do_not_encrypt
net/ipv4/route.c: fix build error
tcp: MD5: Fix MD5 signatures on certain ACK packets
ipv6: Fix ip6_xmit to send fragments if ipfragok is true
ipvs: Move userspace definitions to include/linux/ip_vs.h
netdev: Fix lockdep warnings in multiqueue configurations.
netfilter: xt_hashlimit: fix race between htable_destroy and htable_gc
netfilter: ipt_recent: fix race between recent_mt_destroy and proc manipulations
netfilter: nf_conntrack_tcp: decrease timeouts while data in unacknowledged
irda: replace __FUNCTION__ with __func__
nsc-ircc: default to dongle type 9 on IBM hardware
bluetooth: add quirks for a few hci_usb devices
hysdn: remove the packed attribute from PofTimStamp_tag
isdn: use the common ascii hex helpers
tg3: adapt tg3 to use reworked PCI PM code
atm: fix direct casts of pointers to u32 in the InterPhase driver
atm: fix const assignment/discard warnings in the ATM networking driver
net: use the common ascii hex helpers
random32: seeding improvement
...
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* git://git.infradead.org/mtd-2.6:
[MTD] [NAND] drivers/mtd/nand/nandsim.c: fix printk warnings
[MTD] [NAND] Blackfin NFC Driver: Cleanup the error exit path of bf5xx_nand_probe function
[MTD] [NAND] Blackfin NFC Driver: use standard dev_err() rather than printk()
[MTD] [NAND] Blackfin NFC Driver: enable Blackfin nand HWECC support by default
[MTD] [NAND] Blackfin NFC Driver: add proper devinit/devexit markings to probe/remove functions
[MTD] [NAND] Blackfin NFC Driver: add support for the ECC layout the Blackfin bootrom uses
[MTD] [NAND] Blackfin NFC Driver: fix bug - hw ecc calc by making sure we extract 11 bits from each register instead of 10
[MTD] [NAND] Blackfin NFC Driver: fix bug - do not clobber the status from the first 256 bytes if operating on 512 pages
[MTD] [NAND] diskonchip.c fix sparse endian warnings
[MTD] [NAND] drivers/mtd/nand/nandsim.c needs div64.h
[JFFS2] Fix allocation of summary buffer
Fix rename of at91_nand -> atmel_nand
[MTD] [NOR] drivers/mtd/chips/jedec_probe.c: fix Am29DL800BB device ID
[MTD] MTD_DEBUG always does compile-time typechecks
[MTD] DataFlash: bugfix, binary page sizes now handled
[MTD] [NAND] fsl_elbc_nand.c: fix printk warning
[MTD] [NAND] nandsim: support random page read command
[MTD] [NAND] fix subpage read for small page NAND
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git://git.kernel.org/pub/scm/linux/kernel/git/lrg/voltage-2.6
* 'reg-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/lrg/voltage-2.6:
regulator: TI bq24022 Li-Ion Charger driver
regulator: maintainers - add maintainers for regulator framework.
regulator: documentation - ABI
regulator: documentation - machine
regulator: documentation - regulator driver
regulator: documentation - consumer interface
regulator: documentation - overview
regulator: core kbuild files
regulator: regulator test harness
regulator: add support for fixed regulators.
regulator: regulator framework core
regulator: fixed regulator interface
regulator: machine driver interface
regulator: regulator driver interface
regulator: consumer device interface
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* git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6: (28 commits)
mm/hugetlb.c must #include <asm/io.h>
video: Fix up hp6xx driver build regressions.
sh: defconfig updates.
sh: Kill off stray mach-rsk7203 reference.
serial: sh-sci: Fix up SH7760/SH7780/SH7785 early printk regression.
sh: Move out individual boards without mach groups.
sh: Make sure AT_SYSINFO_EHDR is exposed to userspace in asm/auxvec.h.
sh: Allow SH-3 and SH-5 to use common headers.
sh: Provide common CPU headers, prune the SH-2 and SH-2A directories.
sh/maple: clean maple bus code
sh: More header path fixups for mach dir refactoring.
sh: Move out the solution engine headers to arch/sh/include/mach-se/
sh: I2C fix for AP325RXA and Migo-R
sh: Shuffle the board directories in to mach groups.
sh: dma-sh: Fix up dreamcast dma.h mach path.
sh: Switch KBUILD_DEFCONFIG to shx3_defconfig.
sh: Add ARCH_DEFCONFIG entries for sh and sh64.
sh: Fix compile error of Solution Engine
sh: Proper __put_user_asm() size mismatch fix.
sh: Stub in a dummy ENTRY_OFFSET for uImage offset calculation.
...
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'x86-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
generic, x86: fix add iommu_num_pages helper function
x86: remove stray <6> in BogoMIPS printk
x86: move dma32_reserve_bootmem() after reserve_crashkernel()
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* 'for-linus' of git://git390.osdl.marist.edu/pub/scm/linux-2.6:
[S390] qeth: avoid use of include/asm-s390
[S390] dont use kthread for smp_rescan_cpus().
[S390] virtio console: fix section mismatch warning.
[S390] cio: Include linux/string.h in schid.h.
[S390] qdio: fix section mismatch bug.
[S390] stp: fix section mismatch warning.
[S390] Remove diag 0x260 call from memory detection.
[S390] qdio: make sure qdr is aligned to page size
[S390] Add support for memory hot-remove.
[S390] Wire up new syscalls.
[S390] cio: Memory allocation for idset changed.
[S390] qeth: preallocated qeth header for hiper socket
[S390] Optimize storage key operations for anon pages
[S390] nohz/sclp: disable timer on synchronous waits.
[S390] ipl: Reboot from alternate device does not work when booting from file
[S390] dasd: Add support for enhanced VM UID
[S390] Remove last P390 trace.
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After moving the the include files there were a few clean-ups:
1) Some files used #include <asm-ia64/xyz.h>, changed to <asm/xyz.h>
2) Some comments alerted maintainers to look at various header files to
make matching updates if certain code were to be changed. Updated these
comments to use the new include paths.
3) Some header files mentioned their own names in initial comments. Just
deleted these self references.
Signed-off-by: Tony Luck <tony.luck@intel.com>
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