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Add TOSHIBA_RBTX4938_MPLEX_KEEP to keep MPLEX settings by firmware.
Also replace some printk with pr_info.
Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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Add helper routines to register physmap-flash platform devices for NOR
flashes.
Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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Add kernel options to control bus timeout error.
Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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TX39/TX49 can enable/disable I/D cache at runtime. Add kernel options
to control them. This is useful to debug some cache-related issues,
such as aliasing or I/D coherency. Also enable CWF bit for TX49 SoCs.
Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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* Select board by command-line option or firmware environment variable.
* Handle "masterclk=" option.
* Add boards.h to centerize board_vec declaration.
Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
create mode 100644 include/asm-mips/txx9/boards.h
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Add prom_getenv() which can be used for YAMON. This assumes other
firmware should pass NULL for fw_arg2.
Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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* Make prom_init_cmdline() static and be called from prom_init.
* Append built-in args if the first character was '+'.
* Drop command-line args if the first character of built-in was '-'.
* Enclose args include spaces by quotes.
* TX4938_NAND_BOOT is no longer needed.
Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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* Make sure all interrupts cleared on startup
* Initialize some GPIOs
Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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This new gpio driver for PMC-Sierra's MSP71xx SoC allows
standard api calls for access to the general and extended
gpio's.
Signed-off-by: Patrick Glass <patrickglass@gmail.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
create mode 100755 arch/mips/pmc-sierra/msp71xx/gpio.c
create mode 100755 arch/mips/pmc-sierra/msp71xx/gpio_extended.c
create mode 100755 include/asm-mips/pmc-sierra/msp71xx/gpio.h
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This replaces mips's sys_ptrace32 with a compat_arch_ptrace and
enables the new generic definition of compat_sys_ptrace instead.
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'sched-v28-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: (38 commits)
sched debug: add name to sched_domain sysctl entries
sched: sync wakeups vs avg_overlap
sched: remove redundant code in cpu_cgroup_create()
sched_rt.c: resch needed in rt_rq_enqueue() for the root rt_rq
cpusets: scan_for_empty_cpusets(), cpuset doesn't seem to be so const
sched: minor optimizations in wake_affine and select_task_rq_fair
sched: maintain only task entities in cfs_rq->tasks list
sched: fixup buddy selection
sched: more sanity checks on the bandwidth settings
sched: add some comments to the bandwidth code
sched: fixlet for group load balance
sched: rework wakeup preemption
CFS scheduler: documentation about scheduling policies
sched: clarify ifdef tangle
sched: fix list traversal to use _rcu variant
sched: turn off WAKEUP_OVERLAP
sched: wakeup preempt when small overlap
kernel/cpu.c: create a CPU_STARTING cpu_chain notifier
kernel/cpu.c: Move the CPU_DYING notifiers
sched: fix __load_balance_iterator() for cfq with only one task
...
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* git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6:
crypto: skcipher - Use RNG interface instead of get_random_bytes
crypto: rng - RNG interface and implementation
crypto: api - Add fips_enable flag
crypto: skcipher - Move IV generators into their own modules
crypto: cryptomgr - Test ciphers using ECB
crypto: api - Use test infrastructure
crypto: cryptomgr - Add test infrastructure
crypto: tcrypt - Add alg_test interface
crypto: tcrypt - Abort and only log if there is an error
crypto: crc32c - Use Intel CRC32 instruction
crypto: tcrypt - Avoid using contiguous pages
crypto: api - Display larval objects properly
crypto: api - Export crypto_alg_lookup instead of __crypto_alg_lookup
crypto: Kconfig - Replace leading spaces with tabs
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
This merges phase 1 of the x86 tree, which is a collection of branches:
x86/alternatives, x86/cleanups, x86/commandline, x86/crashdump,
x86/debug, x86/defconfig, x86/doc, x86/exports, x86/fpu, x86/gart,
x86/idle, x86/mm, x86/mtrr, x86/nmi-watchdog, x86/oprofile,
x86/paravirt, x86/reboot, x86/sparse-fixes, x86/tsc, x86/urgent and
x86/vmalloc
and as Ingo says: "these are the easiest, purely independent x86 topics
with no conflicts, in one nice Octopus merge".
* 'x86-v28-for-linus-phase1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: (147 commits)
x86: mtrr_cleanup: treat WRPROT as UNCACHEABLE
x86: mtrr_cleanup: first 1M may be covered in var mtrrs
x86: mtrr_cleanup: print out correct type v2
x86: trivial printk fix in efi.c
x86, debug: mtrr_cleanup print out var mtrr before change it
x86: mtrr_cleanup try gran_size to less than 1M, v3
x86: mtrr_cleanup try gran_size to less than 1M, cleanup
x86: change MTRR_SANITIZER to def_bool y
x86, debug printouts: IOMMU setup failures should not be KERN_ERR
x86: export set_memory_ro and set_memory_rw
x86: mtrr_cleanup try gran_size to less than 1M
x86: mtrr_cleanup prepare to make gran_size to less 1M
x86: mtrr_cleanup safe to get more spare regs now
x86_64: be less annoying on boot, v2
x86: mtrr_cleanup hole size should be less than half of chunk_size, v2
x86: add mtrr_cleanup_debug command line
x86: mtrr_cleanup optimization, v2
x86: don't need to go to chunksize to 4G
x86_64: be less annoying on boot
x86, olpc: fix endian bug in openfirmware workaround
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Replace the no longer working links and email address in the
documentation and in source code.
Signed-off-by: Márton Németh <nm127@freemail.hu>
Signed-off-by: Dave Jones <davej@redhat.com>
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Symbol name spaghetti which is too complicated to cleanup on this stage
of the release cycle breaks the build on BCM1480 platforms.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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'sched/urgent' into sched/core
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git://git.kernel.org/pub/scm/linux/kernel/git/jwessel/linux-2.6-kgdb
* 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jwessel/linux-2.6-kgdb:
kgdb: call touch_softlockup_watchdog on resume
kgdb, x86: Avoid invoking kgdb_nmicallback twice per NMI
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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:
x86: gart iommu have direct mapping when agp is present too
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* git://git.kernel.org/pub/scm/linux/kernel/git/bart/ide-2.6:
ide: workaround for bogus gcc warning in ide_sysfs_register_port()
ide-cd: Optiarc DVD RW AD-7200A does play audio
IDE: Fix platform device registration in Swarm IDE driver (v2)
ide-dma: fix ide_build_dmatable() for TRM290
ide-cd: temporary tray close fix
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* 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-linus:
[MIPS] IP27: Fix build errors if CONFIG_MAPPED_KERNEL=y
[MIPS] Fix CMP Kconfig configuration and mark as broken.
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Stress-testing KVM's latest NMI support with kgdbts inside an SMP guest,
I came across spurious unhandled NMIs while running the singlestep test.
Looking closer at the code path each NMI takes when KGDB is enabled, I
noticed that kgdb_nmicallback is called twice per event: One time via
DIE_NMI_IPI notification, the second time on DIE_NMI. Removing the first
invocation cures the unhandled NMIs here.
Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
Signed-off-by: Jason Wessel <jason.wessel@windriver.com>
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There is a bug in the BIOSes of some HP boxes with AMD Turions which
connects IO-APIC pins with ACPI thermal trip points in such a way that
if the state of the IO-APIC is not as expected by the (buggy) BIOS, the
thermal trip points are set to insanely low values (usually all of them
become 16 degrees Celsius). As a result, thermal throttling kicks in
and knock the system down to its shoes.
Unfortunately some of the recent IO-APIC changes made the bug show up.
To prevent this from happening, blacklist machines that are known to be
affected (nx6115 and 6715b in this particular case).
This fixes http://bugzilla.kernel.org/show_bug.cgi?id=11516 listed as
a regression from 2.6.26.
On my box it was caused by:
commit 691874fa96d6349a8b60f8ea9c2bae52ece79941
Author: Maciej W. Rozycki <macro@linux-mips.org>
Date: Tue May 27 21:19:51 2008 +0100
x86: I/O APIC: timer through 8259A second-chance
Signed-off-by: Maciej W. Rozycki <macro@linux-mips.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
and the whole story is described in this (huge) thread:
http://marc.info/?l=linux-kernel&m=121358440508410&w=4
Matthew Garrett told us about that happening on the nx6125:
http://marc.info/?l=linux-kernel&m=121396307411930&w=4
and then Maciej analysed the breakage on the basis of a DSDT from the
nx6325:
http://marc.info/?l=linux-kernel&m=121401068718826&w=4
As far as the Dmitry's and Jason's boxes are concerned, I recognized the
symptoms and asked them to verify that the blacklisting helped.
It appears that the buggy BIOS code has been copy-pasted to the entire
range of machines, for no good reason.
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
Tested-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Tested-by: Jason Vas Dias <jason.vas.dias@gmail.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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'x86/crashdump', 'x86/debug', 'x86/defconfig', 'x86/doc', 'x86/exports', 'x86/fpu', 'x86/gart', 'x86/idle', 'x86/mm', 'x86/mtrr', 'x86/nmi-watchdog', 'x86/oprofile', 'x86/paravirt', 'x86/reboot', 'x86/sparse-fixes', 'x86/tsc', 'x86/urgent' and 'x86/vmalloc' into x86-v28-for-linus-phase1
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Conflicts:
arch/x86/kernel/signal_64.c
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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Conflicts:
arch/x86/kernel/process_32.c
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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Conflicts:
include/asm-x86/ds.h
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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Conflicts:
include/asm-x86/dma-mapping.h
include/asm-x86/gpio.h
include/asm-x86/idle.h
include/asm-x86/kvm_host.h
include/asm-x86/namei.h
include/asm-x86/uaccess.h
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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Because sync-r4k.c doesn't build.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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The Swarm IDE driver uses a release method which is defined in the driver
itself thus potentially oopsable. The simple fix would be to just leak
the device but this patch goes the full length and moves the entire
handling of the platform device in the platform code and retains only
the platform driver code in drivers/ide/mips/swarm.c.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Cc: "Maciej W. Rozycki" <macro@linux-mips.org>
Acked-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
[bart: remove no longer needed BLK_DEV_IDE_SWARM from ide/Kconfig]
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
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move init_memory_mapping() out of init_k8_gatt.
for: http://bugzilla.kernel.org/show_bug.cgi?id=11676
2.6.27-rc2 to rc8, apgart fails, iommu=soft works, regression
This is needed because we need to map the GART aperture even
if the GATT is not initialized.
Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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For the purpose of MTRR canonicalization, treat WRPROT as UNCACHEABLE.
Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com>
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
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The first 1M is don't care when it comes to the variables MTRRs.
Cover it as WB as a heuristic approximation; this is generally what we
want to minimize the number of registers.
Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com>
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
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Print out the correct type when the Write Protected (WP) type is seen.
Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com>
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
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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:
x86 setup: correct segfault in generation of 32-bit reloc kernel
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* 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-linus:
[MIPS] SMTC: Fix SMTC dyntick support.
[MIPS] SMTC: Close tiny holes in the SMTC IPI replay system.
[MIPS] SMTC: Fix holes in SMTC and FPU affinity support.
[MIPS] SMTC: Build fix: Fix filename in Makefile
[MIPS] Build fix: Fix irq flags type
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Impact: segfault on build of a 32-bit relocatable kernel
When converting arch/x86/boot/compressed/relocs.c to support unlimited
sections, the computation of sym_strtab in walk_relocs() was done
incorrectly. This causes a segfault for some people when building the
relocatable 32-bit kernel.
Pointed out by Anonymous <pageexec@freemail.hu>.
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
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This fixes a regression that came with 934b2857cc576ae53c92a66e63fce7ddcfa74691
("[S390] nohz/sclp: disable timer on synchronous waits.").
If udelay() gets called from a disabled context it sets the clock comparator
to a value where it expects the next interrupt. When the interrupt happens
the clock comparator gets not reset and therefore the interrupt condition
doesn't get cleared. The result is an endless timer interrupt loop.
In addition this patch fixes also the following:
rcutorture reveals that our __udelay implementation is still buggy,
since it might schedule tasklets, but prevents their execution:
NOHZ: local_softirq_pending 42
NOHZ: local_softirq_pending 02
NOHZ: local_softirq_pending 142
NOHZ: local_softirq_pending 02
To fix this we make sure that only the clock comparator interrupt
is enabled when the enabled wait psw is loaded.
Also no code gets called anymore which might schedule tasklets.
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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Rework of SMTC support to make it work with the new clock event system,
allowing "tickless" operation, and to make it compatible with the use of
the "wait_irqoff" idle loop. The new clocking scheme means that the
previously optional IPI instant replay mechanism is now required, and has
been made more robust.
Signed-off-by: Kevin D. Kissell <kevink@paralogos.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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Signed-off-by: Kevin D. Kissell <kevink@paralogos.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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Signed-off-by: Kevin D. Kissell <kevink@paralogos.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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Though from a hardware perspective it would be sensible to use only a
32-bit unsigned int type Linux defines interrupt flags to be stored in
an unsigned long and nothing else.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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[patch] x86: Trivial printk fix in efi.c
The following line is lacking a space between "memdesc" and "doesn't".
"Kernel-defined memdescdoesn't match the one from EFI!"
Fixed the printk by adding a space.
Signed-off-by: Russ Anderson <rja@sgi.com>
Cc: Russ Anderson <rja@sgi.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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J.A. Magallón reported:
>> Also, on a 64 bit box with 4Gb, it gives this:
>>
>> cicely:~# cat /proc/mtrr
>> reg00: base=0x00000000 ( 0MB), size=4096MB: write-back, count=1
>> reg01: base=0x100000000 (4096MB), size=1024MB: write-back, count=1
>> reg02: base=0x140000000 (5120MB), size= 512MB: write-back, count=1
>> reg03: base=0x160000000 (5632MB), size= 256MB: write-back, count=1
>> reg04: base=0x80000000 (2048MB), size=2048MB: uncachable, count=1
boundary handling has a problem ... fix it.
Reported-by: J.A. Magallón <jamagallon@ono.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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Patch below cleans up formatting, with space for big bases and sizes (64 Gb).
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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Commit 00c5372d37a78990c1530184a9c792ee60a30067 caused the MPC8544DS
board to hang at boot. The MPC8544DS is unique in that it doesn't use
the PCI slots on the ULI (unlike the MPC8572DS or MPC8610HPCD). So
the dummy read at the end of the address space causes us to hang.
We can detect the situation by comparing the bridge's BARs versus
the root complex.
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
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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:
x86, vmi: fix broken LDT access
x86: fix typo in enable_mtrr_cleanup early parameter
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