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2010-08-05memblock: Remove nid_range argument, arch provides memblock_nid_range() insteadBenjamin Herrenschmidt1-10/+6
Signed-off-by: Benjamin Herrenschmidt <[email protected]>
2010-08-04Merge branch 'master' into for-nextJiri Kosina14-73/+88
2010-08-04memblock/sparc: Use new accessorsBenjamin Herrenschmidt1-18/+12
CC: David S. Miller <[email protected]> Signed-off-by: Benjamin Herrenschmidt <[email protected]>
2010-08-04memblock: Rename memblock_region to memblock_type and memblock_property to ↵Benjamin Herrenschmidt1-3/+3
memblock_region Signed-off-by: Benjamin Herrenschmidt <[email protected]>
2010-08-02arch/sparc/mm: Use GFP_KERNELJulia Lawall1-1/+1
GFP_ATOMIC is not needed here, as evidenced by the other two uses of GFP_KERNEL in the same function. The semantic match that finds this problem is as follows: (http://coccinelle.lip6.fr/) // <smpl> @@ identifier f; @@ *f(...,GFP_ATOMIC,...) ... when != spin_unlock(...) when != read_unlock(...) when != write_unlock(...) when != read_unlock_irq(...) when != write_unlock_irq(...) when != read_unlock_irqrestore(...) when != write_unlock_irqrestore(...) when != spin_unlock_irq(...) when != spin_unlock_irqrestore(...) *f(...,GFP_KERNEL,...) // </smpl> Signed-off-by: Julia Lawall <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2010-07-30of: Provide default of_node_to_nid() implementation.Grant Likely1-2/+1
of_node_to_nid() is only relevant in a few architectures. Don't force everyone to implement it anyway. Signed-off-by: Grant Likely <[email protected]>
2010-07-27time: Kill off CONFIG_GENERIC_TIMEJohn Stultz1-3/+0
Now that all arches have been converted over to use generic time via clocksources or arch_gettimeoffset(), we can remove the GENERIC_TIME config option and simplify the generic code. Signed-off-by: John Stultz <[email protected]> LKML-Reference: <[email protected]> Signed-off-by: Thomas Gleixner <[email protected]>
2010-07-24of: make of_find_device_by_node genericJonas Bonn1-20/+0
There's no need for this function to be architecture specific and all four architectures defining it had the same definition. The function has been moved to drivers/of/platform.c. Signed-off-by: Jonas Bonn <[email protected]> [[email protected]: moved to drivers/of/platform.c, simplified code, and added kerneldoc comment] Signed-off-by: Grant Likely <[email protected]> Acked-by: David S. Miller <[email protected]>
2010-07-24sparc: remove references to of_device and to_of_deviceGrant Likely26-74/+75
of_device is just a #define alias to platform_device. This patch replaces all references to it with platform_device. Signed-off-by: Grant Likely <[email protected]> Acked-by: David S. Miller <[email protected]>
2010-07-24of/device: Replace of_device with platform_device in includes and core codeGrant Likely2-5/+5
of_device is currently just an #define alias to platform_device until it gets removed entirely. This patch removes references to it from the include directories and the core drivers/of code. Signed-off-by: Grant Likely <[email protected]> Acked-by: David S. Miller <[email protected]>
2010-07-24of: remove asm/of_device.hGrant Likely3-19/+6
It is mostly unused now. Sparc has a few defines left in it, but they can be moved to other headers. Removing this header means that new architectures adding CONFIG_OF support don't need to also add this header file. Signed-off-by: Grant Likely <[email protected]> Acked-by: David S. Miller <[email protected]>
2010-07-24of: remove asm/of_platform.hGrant Likely1-16/+0
Only thing left in it is of_instantiate_rtc() which can be moved to asm/prom.h on PowerPC and is unused in microblaze. Signed-off-by: Grant Likely <[email protected]> Acked-by: David S. Miller <[email protected]>
2010-07-24of/platform: remove all of_bus_type and of_platform_bus_type referencesGrant Likely16-23/+19
Both of_bus_type and of_platform_bus_type are just #define aliases for the platform bus. This patch removes all references to them and switches to the of_register_platform_driver()/of_unregister_platform_driver() API for registering. Subsequent patches will convert each user of of_register_platform_driver() into plain platform_drivers without the of_platform_driver shim. At which point the of_register_platform_driver()/of_unregister_platform_driver() functions can be removed. Signed-off-by: Grant Likely <[email protected]> Acked-by: David S. Miller <[email protected]>
2010-07-24of: Merge of_platform_bus_type with platform_bus_typeGrant Likely3-35/+10
of_platform_bus was being used in the same manner as the platform_bus. The only difference being that of_platform_bus devices are generated from data in the device tree, and platform_bus devices are usually statically allocated in platform code. Having them separate causes the problem of device drivers having to be registered twice if it was possible for the same device to appear on either bus. This patch removes of_platform_bus_type and registers all of_platform bus devices and drivers on the platform bus instead. A previous patch made the of_device structure an alias for the platform_device structure, and a shim is used to adapt of_platform_drivers to the platform bus. After all of of_platform_bus drivers are converted to be normal platform drivers, the shim code can be removed. Signed-off-by: Grant Likely <[email protected]> Acked-by: David S. Miller <[email protected]>
2010-07-24Merge commit 'v2.6.35-rc6' into devicetree/nextGrant Likely14-73/+88
Conflicts: arch/sparc/kernel/prom_64.c
2010-07-21Merge branch 'linus' into perf/coreIngo Molnar14-73/+88
Merge reason: Pick up the latest perf fixes. Signed-off-by: Ingo Molnar <[email protected]>
2010-07-21Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-2.6Linus Torvalds8-25/+40
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-2.6: math-emu: correct test for downshifting fraction in _FP_FROM_INT() perf: Add DWARF register lookup for sparc MAINTAINERS: Add SBUS driver path to sparc entry. drivers/sbus: Remove unnecessary casts of private_data sparc: remove homegrown L1_CACHE_ALIGN macro sparc64: fix the build error due to smp_kgdb_capture_client() sparc64: Fix maybe_change_configuration() PCR setting. arch/sparc/kernel: Eliminate what looks like a NULL pointer dereference sparc64: Update defconfig. sunsu: Fix use after free in su_remove(). sunserial: Don't call add_preferred_console() when console= is specified. sparc32: Kill none_mask, it's bogus.
2010-07-14of/sparc: move is_root_node() to of.hAndres Salomon3-12/+4
Rename is_root_node() to of_node_is_root() and make it available for all archs to use, as it's not PROM-specific. Signed-off-by: Andres Salomon <[email protected]> Acked-by: David S. Miller <[email protected]> Signed-off-by: Grant Likely <[email protected]>
2010-07-14lmb: rename to memblockYinghai Lu6-48/+48
via following scripts FILES=$(find * -type f | grep -vE 'oprofile|[^K]config') sed -i \ -e 's/lmb/memblock/g' \ -e 's/LMB/MEMBLOCK/g' \ $FILES for N in $(find . -name lmb.[ch]); do M=$(echo $N | sed 's/lmb/memblock/g') mv $N $M done and remove some wrong change like lmbench and dlmb etc. also move memblock.c from lib/ to mm/ Suggested-by: Ingo Molnar <[email protected]> Acked-by: "H. Peter Anvin" <[email protected]> Acked-by: Benjamin Herrenschmidt <[email protected]> Acked-by: Linus Torvalds <[email protected]> Signed-off-by: Yinghai Lu <[email protected]> Signed-off-by: Benjamin Herrenschmidt <[email protected]>
2010-07-05of: remove architecture CONFIG_OF definitionsStephen Rothwell1-3/+0
now that CONFIG_OF is defined globally Signed-off-by: Stephen Rothwell <[email protected]> Acked-by: Michal Simek <[email protected]> Signed-off-by: Grant Likely <[email protected]>
2010-07-05sparc: turn CONFIG_OF into a selectStephen Rothwell1-1/+2
so that we can make CONFIG_OF global and remove it from the architecture Kconfig files later. Signed-off-by: Stephen Rothwell <[email protected]> Acked-by: David S. Miller <[email protected]> Signed-off-by: Grant Likely <[email protected]>
2010-06-29sparc: remove homegrown L1_CACHE_ALIGN macroFUJITA Tomonori1-1/+0
Let's use the standard L1_CACHE_ALIGN macro instead. Signed-off-by: FUJITA Tomonori <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2010-06-28of/irq: Move irq_of_parse_and_map() to common codeGrant Likely1-1/+0
Merge common code between PowerPC and Microblaze. SPARC implements irq_of_parse_and_map(), but the implementation is different, so it does not use this code. Signed-off-by: Grant Likely <[email protected]> Acked-by: Benjamin Herrenschmidt <[email protected]> Cc: Michal Simek <[email protected]> Cc: "David S. Miller" <[email protected]> Cc: Stephen Rothwell <[email protected]> Cc: Jeremy Kerr <[email protected]>
2010-06-28of: kill struct of_deviceGrant Likely2-16/+2
Now that the device tree node pointer has been moved out of struct of_device and into the common struct device, there isn't anything unique about of_device anymore. In fact, there isn't much need for a separate of_bus when all busses have access to OF style probing. arch/powerpc and arch/microblaze are moving away from using the of_bus and using the regular platform bus instead for mmio devices. This patch makes of_device the same as platform_device as a stepping stone in migrating of_platform_drivers over to the platform bus. Signed-off-by: Grant Likely <[email protected]> Acked-by: David S. Miller <[email protected]> Cc: Michal Simek <[email protected]> Cc: Benjamin Herrenschmidt <[email protected]> Cc: Stephen Rothwell <[email protected]>
2010-06-28sparc/of: Move of_device fields into struct pdev_archdataGrant Likely12-64/+56
This patch moves SPARC architecture specific data members out of struct of_device and into the pdev_archdata structure. The reason for this change is to unify the struct of_device definition amongst all the architectures. It also remvoes the .sysdata, .slot, .portid and .clock_freq properties because they aren't actually used by anything. A subsequent patch will replace struct of_device entirely with struct platform_device and the of_platform support code will share common routines with the platform bus (but the bus instances themselves can remain separate). This patch also adds 'struct resources *resource' and num_resources to match the fields defined in struct platform_device. After this change, 'struct platform_device' can be used as a drop-in replacement for 'struct of_platform'. This change is in preparation for merging the of_platform_bus_type with the platform_bus_type. Signed-off-by: Grant Likely <[email protected]> Acked-by: David S. Miller <[email protected]> Cc: Stephen Rothwell <[email protected]>
2010-06-26Merge branch 'master' of /home/davem/src/GIT/linux-2.6/David S. Miller7-51/+81
2010-06-25sparc64: fix the build error due to smp_kgdb_capture_client()Dongdong Deng1-1/+1
Signed-off-by: Dongdong Deng <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2010-06-23sparc64: Fix maybe_change_configuration() PCR setting.David S. Miller1-0/+1
Need to mask out the existing event bits before OR'ing in the new ones. Noticed by Peter Zijlstra. Signed-off-by: David S. Miller <[email protected]>
2010-06-18Merge commit 'v2.6.35-rc3' into perf/coreIngo Molnar2-2/+2
Merge reason: Go from -rc1 base to -rc3 base, merge in fixes.
2010-06-16Merge branch 'master' into for-nextJiri Kosina32-201/+235
2010-06-16fix typos concerning "initiali[zs]e"Uwe Kleine-König1-2/+2
Signed-off-by: Uwe Kleine-König <[email protected]> Signed-off-by: Jiri Kosina <[email protected]>
2010-06-09Merge branch 'perf/core' of ↵Ingo Molnar2-3/+11
git://git.kernel.org/pub/scm/linux/kernel/git/frederic/random-tracing into perf/core
2010-06-09perf: Convert perf_event to local_tPeter Zijlstra1-9/+9
Since now all modification to event->count (and ->prev_count and ->period_left) are local to a cpu, change then to local64_t so we avoid the LOCK'ed ops. Signed-off-by: Peter Zijlstra <[email protected]> LKML-Reference: <new-submission> Signed-off-by: Ingo Molnar <[email protected]>
2010-06-09arch: Implement local64_tPeter Zijlstra1-0/+1
On 64bit, local_t is of size long, and thus we make local64_t an alias. On 32bit, we fall back to atomic64_t. (architecture can provide optimized 32-bit version) (This new facility is to be used by perf events optimizations.) Signed-off-by: Peter Zijlstra <[email protected]> Cc: [email protected] Cc: Andrew Morton <[email protected]> Cc: Linus Torvalds <[email protected]> LKML-Reference: <new-submission> Signed-off-by: Ingo Molnar <[email protected]>
2010-06-09perf: Cleanup {start,commit,cancel}_txn detailsPeter Zijlstra1-3/+4
Clarify some of the transactional group scheduling API details and change it so that a successfull ->commit_txn also closes the transaction. Signed-off-by: Peter Zijlstra <[email protected]> Cc: Peter Zijlstra <[email protected]> Cc: Arnaldo Carvalho de Melo <[email protected]> Cc: Frederic Weisbecker <[email protected]> Cc: Paul Mackerras <[email protected]> Cc: Mike Galbraith <[email protected]> Cc: Steven Rostedt <[email protected]> LKML-Reference: <1274803086.5882.1752.camel@twins> Signed-off-by: Ingo Molnar <[email protected]>
2010-06-08perf: Drop the skip argument from perf_arch_fetch_regs_callerFrederic Weisbecker2-3/+11
Drop this argument now that we always want to rewind only to the state of the first caller. It means frame pointers are not necessary anymore to reliably get the source of an event. But this also means we need this helper to be a macro now, as an inline function is not an option since we need to know when to provide a default implentation. Signed-off-by: Frederic Weisbecker <[email protected]> Signed-off-by: Paul Mackerras <[email protected]> Cc: David Miller <[email protected]> Cc: Ingo Molnar <[email protected]> Cc: Peter Zijlstra <[email protected]> Cc: Arnaldo Carvalho de Melo <[email protected]>
2010-06-04arch/sparc/kernel: Eliminate what looks like a NULL pointer dereferenceJulia Lawall1-1/+1
At the point of the test, action cannot be NULL, as it has been dereferenced in the code just above. A simplified version of the semantic match that finds this problem is as follows: (http://coccinelle.lip6.fr/) // <smpl> @r exists@ expression E,E1; identifier f; statement S1,S2,S3; @@ if ((E == NULL && ...) || ...) { ... when != if (...) S1 else S2 when != E = E1 * E->f ... when any } else S3 // </smpl> Signed-off-by: Julia Lawall <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2010-06-01Merge branch 'for-35' of git://repo.or.cz/linux-kbuildLinus Torvalds2-2/+2
* 'for-35' of git://repo.or.cz/linux-kbuild: (81 commits) kbuild: Revert part of e8d400a to resolve a conflict kbuild: Fix checking of scm-identifier variable gconfig: add support to show hidden options that have prompts menuconfig: add support to show hidden options which have prompts gconfig: remove show_debug option gconfig: remove dbg_print_ptype() and dbg_print_stype() kconfig: fix zconfdump() kconfig: some small fixes add random binaries to .gitignore kbuild: Include gen_initramfs_list.sh and the file list in the .d file kconfig: recalc symbol value before showing search results .gitignore: ignore *.lzo files headerdep: perlcritic warning scripts/Makefile.lib: Align the output of LZO kbuild: Generate modules.builtin in make modules_install Revert "kbuild: specify absolute paths for cscope" kbuild: Do not unnecessarily regenerate modules.builtin headers_install: use local file handles headers_check: fix perl warnings export_report: fix perl warnings ...
2010-05-27Merge branch 'perf-core-for-linus' of ↵Linus Torvalds1-47/+61
git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip * 'perf-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: (61 commits) tracing: Add __used annotation to event variable perf, trace: Fix !x86 build bug perf report: Support multiple events on the TUI perf annotate: Fix up usage of the build id cache x86/mmiotrace: Remove redundant instruction prefix checks perf annotate: Add TUI interface perf tui: Remove annotate from popup menu after failure perf report: Don't start the TUI if -D is used perf: Fix getline undeclared perf: Optimize perf_tp_event_match() perf: Remove more code from the fastpath perf: Optimize the !vmalloc backed buffer perf: Optimize perf_output_copy() perf: Fix wakeup storm for RO mmap()s perf-record: Share per-cpu buffers perf-record: Remove -M perf: Ensure that IOC_OUTPUT isn't used to create multi-writer buffers perf, trace: Optimize tracepoints by using per-tracepoint-per-cpu hlist to track events perf, trace: Optimize tracepoints by removing IRQ-disable from perf/tracepoint interaction perf tui: Allow disabling the TUI on a per command basis in ~/.perfconfig ...
2010-05-27asm-generic: remove ARCH_HAS_SG_CHAIN in scatterlist.hFUJITA Tomonori1-2/+3
There are more architectures that don't support ARCH_HAS_SG_CHAIN than those that support it. This removes removes ARCH_HAS_SG_CHAIN in asm-generic/scatterlist.h and lets arhictectures to define it. It's clearer than defining ARCH_HAS_SG_CHAIN asm-generic/scatterlist.h and undefing it in arhictectures that don't support it. Signed-off-by: FUJITA Tomonori <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
2010-05-27asm-generic: add NEED_SG_DMA_LENGTH to define sg_dma_len()FUJITA Tomonori2-2/+3
There are only two ways to define sg_dma_len(); use sg->dma_length or sg->length. This patch introduces NEED_SG_DMA_LENGTH that enables architectures to choose sg->dma_length or sg->length. Signed-off-by: FUJITA Tomonori <[email protected]> Cc: Arnd Bergmann <[email protected]> Cc: Richard Henderson <[email protected]> Cc: Ivan Kokshaysky <[email protected]> Cc: Matt Turner <[email protected]> Cc: Russell King <[email protected]> Cc: Benjamin Herrenschmidt <[email protected]> Cc: Paul Mackerras <[email protected]> Cc: Ingo Molnar <[email protected]> Cc: Thomas Gleixner <[email protected]> Cc: "H. Peter Anvin" <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
2010-05-27asm-generic: remove ISA_DMA_THRESHOLD in scatterlist.hFUJITA Tomonori1-0/+2
This is the first half of the attempt to use asm-generic/scatterlist.h on every architecture. There are only two ways to define scatterlist structure. So it's easy to convert every architecture to use asm-generic/scatterlist.h. This patch: The trick for ISA_DMA_THRESHOLD in asm-generic/scatterlist.h doesn't work for powerpc. This lets architectures defin ISA_DMA_THRESHOLD. Hopefully, we can remove ISA_DMA_THRESHOLD in the future; we can do better to decide if the bouncing is necessary or not. Signed-off-by: FUJITA Tomonori <[email protected]> Cc: Arnd Bergmann <[email protected]> Cc: Richard Henderson <[email protected]> Cc: Ivan Kokshaysky <[email protected]> Cc: Matt Turner <[email protected]> Cc: Russell King <[email protected]> Cc: Benjamin Herrenschmidt <[email protected]> Cc: Paul Mackerras <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
2010-05-26sparc64: Update defconfig.David S. Miller1-14/+35
Move from SLUB to SLAB, as this is what the world plans to align to, every distribution enables, and thus is what everyone actually is testing. Signed-off-by: David S. Miller <[email protected]>
2010-05-26Revert "endian: #define __BYTE_ORDER"Linus Torvalds2-0/+12
This reverts commit b3b77c8caef1750ebeea1054e39e358550ea9f55, which was also totally broken (see commit 0d2daf5cc858 that reverted the crc32 version of it). As reported by Stephen Rothwell, it causes problems on big-endian machines: > In file included from fs/jfs/jfs_types.h:33, > from fs/jfs/jfs_incore.h:26, > from fs/jfs/file.c:22: > fs/jfs/endian24.h:36:101: warning: "__LITTLE_ENDIAN" is not defined The kernel has never had that crazy "__BYTE_ORDER == __LITTLE_ENDIAN" model. It's not how we do things, and it isn't how we _should_ do things. So don't go there. Requested-by: Stephen Rothwell <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
2010-05-25sparc32: Kill none_mask, it's bogus.David S. Miller3-8/+2
For some reason, the pte_none() calculation for srmmu sparc32 chips was masking out the top 4 bits. That doesn't make any sense, as those are just some of the physical bits of the PTE encoding. Furthermore, this mistake breaks things when the offset of of a swap entry has a large enough offset as reported by Тхай Кирилл. Sun4c always set it to zero, so it's really completely useless, kill it. Reported-by: Тхай Кирилл <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2010-05-25endian: #define __BYTE_ORDERJoakim Tjernlund2-12/+0
Linux does not define __BYTE_ORDER in its endian header files which makes some header files bend backwards to get at the current endian. Lets #define __BYTE_ORDER in big_endian.h/litte_endian.h to make it easier for header files that are used in user space too. In userspace the convention is that 1. _both_ __LITTLE_ENDIAN and __BIG_ENDIAN are defined, 2. you have to test for e.g. __BYTE_ORDER == __BIG_ENDIAN. Signed-off-by: Joakim Tjernlund <[email protected]> Cc: Geert Uytterhoeven <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
2010-05-22Merge remote branch 'origin' into secretlab/next-devicetreeGrant Likely20-52/+129
Merging in current state of Linus' tree to deal with merge conflicts and build failures in vio.c after merge. Conflicts: drivers/i2c/busses/i2c-cpm.c drivers/i2c/busses/i2c-mpc.c drivers/net/gianfar.c Also fixed up one line in arch/powerpc/kernel/vio.c to use the correct node pointer. Signed-off-by: Grant Likely <[email protected]>
2010-05-22of: Remove duplicate fields from of_platform_driverGrant Likely14-42/+77
.name, .match_table and .owner are duplicated in both of_platform_driver and device_driver. This patch is a removes the extra copies from struct of_platform_driver and converts all users to the device_driver members. This patch is a pretty mechanical change. The usage model doesn't change and if any drivers have been missed, or if anything has been fixed up incorrectly, then it will fail with a compile time error, and the fixup will be trivial. This patch looks big and scary because it touches so many files, but it should be pretty safe. Signed-off-by: Grant Likely <[email protected]> Acked-by: Sean MacLennan <[email protected]>
2010-05-20kgdb,sparc: Add in kgdb_arch_set_pc for sparcJason Wessel2-0/+12
The new debug core api requires all architectures that use to debug core to implement a function to set the program counter. Signed-off-by: Jason Wessel <[email protected]> Acked-by: David S. Miller <[email protected]>
2010-05-20Merge branch 'for-linus' of ↵Linus Torvalds2-2/+2
git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial: (44 commits) vlynq: make whole Kconfig-menu dependant on architecture add descriptive comment for TIF_MEMDIE task flag declaration. EEPROM: max6875: Header file cleanup EEPROM: 93cx6: Header file cleanup EEPROM: Header file cleanup agp: use NULL instead of 0 when pointer is needed rtc-v3020: make bitfield unsigned PCI: make bitfield unsigned jbd2: use NULL instead of 0 when pointer is needed cciss: fix shadows sparse warning doc: inode uses a mutex instead of a semaphore. uml: i386: Avoid redefinition of NR_syscalls fix "seperate" typos in comments cocbalt_lcdfb: correct sections doc: Change urls for sparse Powerpc: wii: Fix typo in comment i2o: cleanup some exit paths Documentation/: it's -> its where appropriate UML: Fix compiler warning due to missing task_struct declaration UML: add kernel.h include to signal.c ...
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