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2010-05-03crypto: algapi - Remove unneeded null checkDan Carpenter
We don't check "frontend" consistently in crypto_init_spawn2(). We check it at the start of the function but then we dereference it unconditionally in the parameter list when we call crypto_init_spawn(). I looked at the places that call crypto_init_spawn2() and "frontend" is always a valid pointer so I removed the check for null. Signed-off-by: Dan Carpenter <error27@gmail.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2010-04-19crypto: geode-aes - Fix some code style issuesChihau Chau
This fixes some code style issues like: - Use #include <linux/io.h> instead of <asm/io.h> and #include <linux/delay.h> instead of <asm/delay.h> - Use "foo *bar" instead of "foo * bar" - Add a space after the for or while sentence and before the open parenthesis '(' - Don't use assignments in a if condition Signed-off-by: Chihau Chau <chihau@gmail.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2010-04-13crypto: mv_cesa - Add sha1 and hmac(sha1) async hash driversUri Simchoni
Add sha1 and hmac(sha1) async hash drivers Signed-off-by: Uri Simchoni <uri@jdland.co.il> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2010-04-13crypto: mv_cesa - Support processing of data from previous requestsUri Simchoni
Support processing of data from previous requests (as in hashing update/final requests). Signed-off-by: Uri Simchoni <uri@jdland.co.il> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2010-04-13crypto: mv_cesa - Make the copy-back of data optionalUri Simchoni
Make the copy-back of data optional (not done in hashing requests) Signed-off-by: Uri Simchoni <uri@jdland.co.il> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2010-04-13crypto: mv_cesa - Execute some code via function pointers rathr than direct ↵Uri Simchoni
calls Execute some code via function pointers rathr than direct calls (to allow customization in the hashing request) Signed-off-by: Uri Simchoni <uri@jdland.co.il> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2010-04-13crypto: mv_cesa - Rename a variable to a more suitable nameUri Simchoni
Rename a variable to a more suitable name Signed-off-by: Uri Simchoni <uri@jdland.co.il> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2010-04-13crypto: mv_cesa - Enqueue generic async requestsUri Simchoni
Enqueue generic async requests rather than ablkcipher requests in the driver's queue Signed-off-by: Uri Simchoni <uri@jdland.co.il> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2010-04-13crypto: mv_cesa - Fix situations where the src sglist spans more data than ↵Uri Simchoni
the request asks for Fix for situations where the source scatterlist spans more data than the request nbytes Signed-off-by: Uri Simchoni <uri@jdland.co.il> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2010-04-13crypto: mv_cesa - Fix situation where the dest sglist is organized ↵Uri Simchoni
differently than the source sglist Bugfix for situations where the destination scatterlist has a different buffer structure than the source scatterlist (e.g. source has one 2K buffer and dest has 2 1K buffers) Signed-off-by: Uri Simchoni <uri@jdland.co.il> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2010-04-13crypto: mv_cesa - Remove compiler warning in mv_cesa driverUri Simchoni
Remove compiler warning Signed-off-by: Uri Simchoni <uri@jdland.co.il> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2010-04-13crypto: mv_cesa - Invoke the user callback from a softirq contextUri Simchoni
Invoke the user callback from a softirq context Signed-off-by: Uri Simchoni <uri@jdland.co.il> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2010-03-29padata: Section cleanupHenrik Kretzschmar
This patch removes the __cupinit from padata_cpu_callback(), which is refered by the exportet function padata_alloc(). This could lead to problems if CONFIG_HOTPLUG_CPU is disabled, which should happen very often. WARNING: kernel/built-in.o(.text+0x7ffcb): Section mismatch in reference from the function padata_alloc() to the function .cpuinit.text:padata_cpu_callback() The function padata_alloc() references the function __cpuinit padata_cpu_callback(). This is often because padata_alloc lacks a __cpuinit annotation or the annotation of padata_cpu_callback is wrong. Signed-off-by: Henrik Kretzschmar <henne@nachtwindheim.de> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2010-03-24crypto: aesni-intel - Fix another CTR build failure with gas 2.16.1Huang Ying
The previous AES-NI CTR optimization compiling failure gas 2.16.1 fix introduces another compiling failure by itself. This patch fixes that. Reported-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Huang Ying <ying.huang@intel.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2010-03-24crypto: pcrypt - Handle crypto_get_attr_type errorsDan Carpenter
I was concerned about the error handling for crypto_get_attr_type() in pcrypt_alloc_aead(). Steffen Klassert pointed out that we could simply avoid calling crypto_get_attr_type() if we passed the type and mask as a parameters. Signed-off-by: Dan Carpenter <error27@gmail.com> Acked-by: Steffen Klassert <steffen.klassert@secunet.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2010-03-18crypto: vmac - Fix big-endian supportShane Wang
This patch is to fix the vmac algorithm, add more test cases for vmac, and fix the test failure on some big endian system like s390. Signed-off-by: Shane Wang <shane.wang@intel.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2010-03-13crypto: aesni-intel - Fix CTR optimization build failure with gas 2.16.1Huang Ying
Andrew Morton reported that AES-NI CTR optimization failed to compile with gas 2.16.1, the error message is as follow: arch/x86/crypto/aesni-intel_asm.S: Assembler messages: arch/x86/crypto/aesni-intel_asm.S:752: Error: suffix or operands invalid for `movq' arch/x86/crypto/aesni-intel_asm.S:753: Error: suffix or operands invalid for `movq' To fix this, a gas macro is defined to assemble movq with 64bit general purpose registers and XMM registers. The macro will generate the raw .byte sequence for needed instructions. Reported-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Huang Ying <ying.huang@intel.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2010-03-10crypto: tcrypt - Speed testing support for ghashHuang Ying
Because ghash needs setkey, the setkey and keysize template support for test_hash_speed is added. Signed-off-by: Huang Ying <ying.huang@intel.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2010-03-10crypto: aesni-intel - Add AES-NI accelerated CTR modeHuang Ying
To take advantage of the hardware pipeline implementation of AES-NI instructions. CTR mode cryption is implemented in ASM to schedule multiple AES-NI instructions one after another. This way, some latency of AES-NI instruction can be eliminated. Performance testing based on dm-crypt should 50% reduction of ecryption/decryption time. Signed-off-by: Huang Ying <ying.huang@intel.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2010-03-10crypto: internal - Fix checkpatch errorsRichard Hartmann
Signed-off-by: Richard Hartmann <richih.mailinglist@gmail.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2010-03-04Merge branch 'for-linus' of git://git.open-osd.org/linux-open-osdLinus Torvalds
* 'for-linus' of git://git.open-osd.org/linux-open-osd: exofs: groups support exofs: Prepare for groups exofs: Error recovery if object is missing from storage exofs: convert io_state to use pages array instead of bio at input exofs: RAID0 support exofs: Define on-disk per-inode optional layout attribute exofs: unindent exofs_sbi_read exofs: Move layout related members to a layout structure exofs: Recover in the case of read-passed-end-of-file exofs: Micro-optimize exofs_i_info exofs: debug print even less
2010-03-04Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-2.6Linus Torvalds
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-2.6: sparc64: Make prom entry spinlock NMI safe. sparc64: Kill off old sys_perfctr system call and state. sparc: Update defconfigs. sparc: Provide io{read,write}{16,32}be().
2010-03-04Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/ide-next-2.6Linus Torvalds
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/ide-next-2.6: (49 commits) drivers/ide: Fix continuation line formats ide: fixed section mismatch warning in cmd640.c ide: ide_timing_compute() fixup ide: make ide_get_best_pio_mode() static via82cxxx: use ->pio_mode value to determine pair device speed tx493xide: use ->pio_mode value to determine pair device speed siimage: use ->pio_mode value to determine pair device speed palm_bk3710: use ->pio_mode value to determine pair device speed it821x: use ->pio_mode value to determine pair device speed cs5536: use ->pio_mode value to determine pair device speed cs5535: use ->pio_mode value to determine pair device speed cmd64x: fix handling of address setup timings amd74xx: use ->pio_mode value to determine pair device speed alim15x3: fix handling of UDMA enable bit alim15x3: fix handling of DMA timings alim15x3: fix handling of command timings alim15x3: fix handling of address setup timings ide-timings: use ->pio_mode value to determine fastest PIO speed ide: change ->set_dma_mode method parameters ide: change ->set_pio_mode method parameters ...
2010-03-04Merge branch 'next' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/djbw/async_tx * 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/djbw/async_tx: (28 commits) ioat: cleanup ->timer_fn() and ->cleanup_fn() prototypes ioat3: interrupt coalescing ioat: close potential BUG_ON race in the descriptor cleanup path ioat2: kill pending flag ioat3: use ioat2_quiesce() ioat3: cleanup, don't enable DCA completion writes DMAENGINE: COH 901 318 lli sg offset fix DMAENGINE: COH 901 318 configure channel direction DMAENGINE: COH 901 318 remove irq counting DMAENGINE: COH 901 318 descriptor pool refactoring DMAENGINE: COH 901 318 cleanups dma: Add MPC512x DMA driver Debugging options for the DMA engine subsystem iop-adma: redundant/wrong tests in iop_*_count()? dmatest: fix handling of an even number of xor_sources dmatest: correct raid6 PQ test fsldma: Fix cookie issues fsldma: Fix cookie issues dma: cases IPU_PIX_FMT_BGRA32, BGR32 and ABGR32 are the same in ipu_ch_param_set_size() dma: make Open Firmware device id constant ...
2010-03-04Merge branch 'for-linus' of ↵Linus Torvalds
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: (52 commits) init: Open /dev/console from rootfs mqueue: fix typo "failues" -> "failures" mqueue: only set error codes if they are really necessary mqueue: simplify do_open() error handling mqueue: apply mathematics distributivity on mq_bytes calculation mqueue: remove unneeded info->messages initialization mqueue: fix mq_open() file descriptor leak on user-space processes fix race in d_splice_alias() set S_DEAD on unlink() and non-directory rename() victims vfs: add NOFOLLOW flag to umount(2) get rid of ->mnt_parent in tomoyo/realpath hppfs can use existing proc_mnt, no need for do_kern_mount() in there Mirror MS_KERNMOUNT in ->mnt_flags get rid of useless vfsmount_lock use in put_mnt_ns() Take vfsmount_lock to fs/internal.h get rid of insanity with namespace roots in tomoyo take check for new events in namespace (guts of mounts_poll()) to namespace.c Don't mess with generic_permission() under ->d_lock in hpfs sanitize const/signedness for udf nilfs: sanitize const/signedness in dealing with ->d_name.name ... Fix up fairly trivial (famous last words...) conflicts in drivers/infiniband/core/uverbs_main.c and security/tomoyo/realpath.c
2010-03-04Merge git://git.infradead.org/battery-2.6Linus Torvalds
* git://git.infradead.org/battery-2.6: power_supply: bq27x00: fix voltage and current units power_supply: bq27x00: add status and time properties power_supply: bq27x00: add BQ27500 support power_supply: bq27x00: fix temperature conversion power_supply: bq27x00: remove unused struct fields power_supply: bq27x00: remove double endian swap da9030_battery: fix spelling in comment wm97xx_battery: Clean up some warnings
2010-03-04Merge branch 'for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/lrg/voltage-2.6 * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/lrg/voltage-2.6: (27 commits) Regulators: wm8400 - cleanup platform driver data handling Regulators: wm8994 - clean up driver data after removal Regulators: wm831x-xxx - clean up driver data after removal Regulators: pcap-regulator - clean up driver data after removal Regulators: max8660 - annotate probe and remove methods Regulators: max1586 - annotate probe and remove methods Regulators: lp3971 - fail if platform data was not supplied Regulators: tps6507x-regulator - mark probe method as __devinit Regulators: tps65023-regulator - mark probe method as __devinit Regulators: twl-regulator - mark probe function as __devinit Regulators: fixed - annotate probe and remove methods Regulators: ab3100 - fix probe and remove annotations Regulators: virtual - use sysfs attribute groups twl6030: regulator: Configure STATE register instead of REMAP regulator: Provide optional dummy regulator for consumers regulator: Assume regulators are enabled if they don't report anything regulator: Convert fixed voltage regulator to use enable_time() regulator: Add WM8994 regulator support regulator: enable max8649 regulator driver regulator: trivial: fix typos in user-visible Kconfig text ...
2010-03-04Merge git://git.kernel.org/pub/scm/linux/kernel/git/brodo/pcmcia-2.6Linus Torvalds
* git://git.kernel.org/pub/scm/linux/kernel/git/brodo/pcmcia-2.6: pcmcia: disable pcmcia ioctl for !ARM, prepare for removal pcmcia: CodingStyle fixes pcmcia: alchemy: fixup wrong comments pcmcia: remove irq_list parameter from pd6729 yenta_socket: ENE CB712 CardBus bridge needs special treatment with Echo Audio Indigo soundcards
2010-03-04Merge branch 'drm-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/airlied/drm-2.6 * 'drm-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/airlied/drm-2.6: (151 commits) vga_switcheroo: disable default y by new rules. drm/nouveau: fix *staging* driver build with switcheroo off. drm/radeon: fix typo in Makefile vga_switcheroo: fix build on platforms with no ACPI drm/radeon: Fix printf type warning in 64bit system. drm/radeon/kms: bump the KMS version number for square tiling support. vga_switcheroo: initial implementation (v15) drm/radeon/kms: do not disable audio engine twice Revert "drm/radeon/kms: disable HDMI audio for now on rv710/rv730" drm/radeon/kms: do not preset audio stuff and start timer when not using audio drm/radeon: r100/r200 ums: block ability for userspace app to trash 0 page and beyond drm/ttm: fix function prototype to match implementation drm/radeon: use ALIGN instead of open coding it drm/radeon/kms: initialize set_surface_reg reg for rs600 asic drm/i915: Use a dmi quirk to skip a broken SDVO TV output. drm/i915: enable/disable LVDS port at DPMS time drm/i915: check for multiple write domains in pin_and_relocate drm/i915: clean-up i915_gem_flush_gpu_write_domain drm/i915: reuse i915_gpu_idle helper drm/i915: ensure lru ordering of fence_list ... Fixed trivial conflicts in drivers/gpu/vga/Kconfig
2010-03-03Merge branch 'coh' into dmaengineDan Williams
2010-03-03ioat: cleanup ->timer_fn() and ->cleanup_fn() prototypesDan Williams
If the calling convention of ->timer_fn() and ->cleanup_fn() are unified across hardware versions we can drop parameters to ioat_init_channel() and unify ioat_is_dma_complete() implementations. Both ->timer_fn() and ->cleanup_fn() are modified to expect a struct dma_chan pointer. Signed-off-by: Dan Williams <dan.j.williams@intel.com>
2010-03-03ioat3: interrupt coalescingDan Williams
The hardware automatically disables further interrupts after each event until rearmed. This allows a delay to be injected between the occurence of the interrupt and the running of the cleanup routine. The delay is scaled by the descriptor backlog and then written to the INTRDELAY register which specifies the number of microseconds to hold off interrupt delivery after an interrupt event occurs. According to powertop this reduces the interrupt rate from ~5000 intr/s to ~150 intr/s per without affecting throughput (simple dd to a raid6 array). Signed-off-by: Dan Williams <dan.j.williams@intel.com>
2010-03-03ioat: close potential BUG_ON race in the descriptor cleanup pathDan Williams
Since ioat_cleanup_preamble() and the update of the last completed descriptor are not synchronized there is a chance that two cleanup threads can see descriptors to clean. If the first cleans up all pending descriptors then the second will trigger the BUG_ON. Signed-off-by: Dan Williams <dan.j.williams@intel.com>
2010-03-03Prioritize synchronous signals over 'normal' signalsLinus Torvalds
This makes sure that we pick the synchronous signals caused by a processor fault over any pending regular asynchronous signals sent to use by [t]kill(). This is not strictly required semantics, but it makes it _much_ easier for programs like Wine that expect to find the fault information in the signal stack. Without this, if a non-synchronous signal gets picked first, the delayed asynchronous signal will have its signal context pointing to the new signal invocation, rather than the instruction that caused the SIGSEGV or SIGBUS in the first place. This is not all that pretty, and we're discussing making the synchronous signals more explicit rather than have these kinds of implicit preferences of SIGSEGV and friends. See for example http://bugzilla.kernel.org/show_bug.cgi?id=15395 for some of the discussion. But in the meantime this is a simple and fairly straightforward work-around, and the whole if (x & Y) x &= Y; thing can be compiled into (and gcc does do it) just three instructions: movq %rdx, %rax andl $Y, %eax cmovne %rax, %rdx so it is at least a simple solution to a subtle issue. Reported-and-tested-by: Pavel Vilim <wylda@volny.cz> Acked-by: Oleg Nesterov <oleg@redhat.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2010-03-03Merge branch 'for-fsnotify' into for-linusAl Viro
2010-03-03init: Open /dev/console from rootfsEric W. Biederman
To avoid potential problems with an empty /dev open /dev/console from rootfs instead of waiting to mount our root filesystem and mounting it there. This effectively guarantees that there will be a device node, and it won't be on a filesystem that we will ever unmount, so there are no issues with leaving /dev/console open and pinning the filesystem. This is actually more effective than automatically mounting devtmpfs on /dev because it removes removes the occasionally problematic assumption that /dev/console exists from the boot code. With this patch I was able to throw busybox on my /boot partition (which has no /dev directory) and boot into userspace without problems. The only possible negative consequence I can think of is that someone out there deliberately used did not use a character device that is major 5 minor 2 for /dev/console. Does anyone know of a situation in which that could make sense? Signed-off-by: Eric W. Biederman <ebiederm@xmission.com> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2010-03-03mqueue: fix typo "failues" -> "failures"André Goddard Rosa
Signed-off-by: André Goddard Rosa <andre.goddard@gmail.com> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2010-03-03mqueue: only set error codes if they are really necessaryAndré Goddard Rosa
... postponing assignments until they're needed. Doesn't change code size. Signed-off-by: André Goddard Rosa <andre.goddard@gmail.com> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2010-03-03mqueue: simplify do_open() error handlingAndré Goddard Rosa
It reduces code size: text data bss dec hex filename 9925 72 16 10013 271d ipc/mqueue-BEFORE.o 9885 72 16 9973 26f5 ipc/mqueue-AFTER.o Signed-off-by: André Goddard Rosa <andre.goddard@gmail.com> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2010-03-03mqueue: apply mathematics distributivity on mq_bytes calculationAndré Goddard Rosa
Code size reduction: text data bss dec hex filename 9941 72 16 10029 272d ipc/mqueue-BEFORE.o 9925 72 16 10013 271d ipc/mqueue-AFTER.o Signed-off-by: André Goddard Rosa <andre.goddard@gmail.com> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2010-03-03mqueue: remove unneeded info->messages initializationAndré Goddard Rosa
... and abort earlier if we couldn't allocate the message pointers array, avoiding the u->mq_bytes accounting logic. It reduces code size: text data bss dec hex filename 9949 72 16 10037 2735 ipc/mqueue-BEFORE.o 9941 72 16 10029 272d ipc/mqueue-AFTER.o Signed-off-by: André Goddard Rosa <andre.goddard@gmail.com> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2010-03-03mqueue: fix mq_open() file descriptor leak on user-space processesAndré Goddard Rosa
We leak fd on lookup_one_len() failure Signed-off-by: André Goddard Rosa <andre.goddard@gmail.com> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2010-03-03fix race in d_splice_alias()Al Viro
rehashing the negative placeholder opens a race with d_lookup(); we unhash it almost immediately (by d_move()), but the race window is there. Since d_move() doesn't rely on target being hashed, we don't need that d_rehash() at all. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2010-03-03set S_DEAD on unlink() and non-directory rename() victimsAl Viro
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2010-03-03vfs: add NOFOLLOW flag to umount(2)Miklos Szeredi
Add a new UMOUNT_NOFOLLOW flag to umount(2). This is needed to prevent symlink attacks in unprivileged unmounts (fuse, samba, ncpfs). Additionally, return -EINVAL if an unknown flag is used (and specify an explicitly unused flag: UMOUNT_UNUSED). This makes it possible for the caller to determine if a flag is supported or not. CC: Eugene Teo <eugene@redhat.com> CC: Michael Kerrisk <mtk.manpages@gmail.com> Signed-off-by: Miklos Szeredi <mszeredi@suse.cz> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2010-03-03get rid of ->mnt_parent in tomoyo/realpathAl Viro
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2010-03-03hppfs can use existing proc_mnt, no need for do_kern_mount() in thereAl Viro
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2010-03-03Mirror MS_KERNMOUNT in ->mnt_flagsAl Viro
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2010-03-03get rid of useless vfsmount_lock use in put_mnt_ns()Al Viro
It hadn't been needed since we'd sanitized the logics in mark_mounts_for_expiry() (which, in turn, used to be a rudiment of bad old times when namespace_sem was per-ns). Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2010-03-03Take vfsmount_lock to fs/internal.hAl Viro
no more users left outside of fs/*.c (and very few outside of fs/namespace.c, actually) Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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