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* [NETNS]: init dev_base_lock only onceAlexey Dobriyan2007-11-101-1/+0
| | | | | | | | | * it already statically initialized * reinitializing live global spinlock every time netns is setup is also wrong Signed-off-by: Alexey Dobriyan <adobriyan@sw.ru> Signed-off-by: David S. Miller <davem@davemloft.net>
* [UNIX]: The unix_nr_socks limit can be exceededPavel Emelyanov2007-11-101-3/+4
| | | | | | | | | | | | | | | The unix_nr_socks value is limited with the 2 * get_max_files() value, as seen from the unix_create1(). However, the check and the actual increment are separated with the GFP_KERNEL allocation, so this limit can be exceeded under a memory pressure - task may go to sleep freeing the pages and some other task will be allowed to allocate a new sock and so on and so forth. So make the increment before the check (similar thing is done in the sock_kmalloc) and go to kmalloc after this. Signed-off-by: Pavel Emelyanov <xemul@openvz.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* [AF_UNIX]: Convert socks to unix_socks in scan_inflight, not in callbacksPavel Emelyanov2007-11-101-11/+9
| | | | | | | | | | | | The scan_inflight() routine scans through the unix sockets and calls some passed callback. The fact is that all these callbacks work with the unix_sock objects, not the sock ones, so make this conversion in the scan_inflight() before calling the callbacks. This removes one unneeded variable from the inc_inflight_move_tail(). Signed-off-by: Pavel Emelyanov <xemul@openvz.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* [AF_UNIX]: Make unix_tot_inflight counter non-atomicPavel Emelyanov2007-11-103-5/+5
| | | | | | | | This counter is _always_ modified under the unix_gc_lock spinlock, so its atomicity can be provided w/o additional efforts. Signed-off-by: Pavel Emelyanov <xemul@openvz.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* [AF_PACKET]: Allow multicast traffic to be caught by ORIGDEV when bondedPeter P Waskiewicz Jr2007-11-101-2/+2
| | | | | | | | | | The socket option for packet sockets to return the original ifindex instead of the bonded ifindex will not match multicast traffic. Since this socket option is the most useful for layer 2 traffic and multicast traffic, make the option multicast-aware. Signed-off-by: Peter P Waskiewicz Jr <peter.p.waskiewicz.jr@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* ssb: Fix PCMCIA-host lowlevel bus accessMichael Buesch2007-11-102-28/+29
| | | | | | | | | | | This fixes the lowlevel bus access routines for PCMCIA based devices. There are still a few issues with register access sideeffects after this patch. This will be addressed in a later patch. Signed-off-by: Michael Buesch <mb@bu3sch.de> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* mac80211: fix MAC80211_RCSIMPLE KconfigJohannes Berg2007-11-101-2/+2
| | | | | | | | I meant for this to be selectable only with EMBEDDED, not enabled only with EMBEDDED. This does it that way. Sorry. Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* mac80211: make "decrypt failed" messages conditional upon MAC80211_DEBUGJohn W. Linville2007-11-103-6/+16
| | | | | | | | | | | | | | Make "decrypt failed" and "have no key" debugging messages compile conditionally upon CONFIG_MAC80211_DEBUG. They have been useful for finding certain problems in the past, but in many cases they just clutter a user's logs. A typical example is an enviornment where multiple SSIDs are using a single BSSID but with different protection schemes or different keys for each SSID. In such an environment these messages are just noise. Let's just leave them for those interested enough to turn-on debugging. Signed-off-by: John W. Linville <linville@tuxdriver.com>
* mac80211: use IW_AUTH_PRIVACY_INVOKED rather than IW_AUTH_KEY_MGMTJohannes Berg2007-11-103-15/+21
| | | | | | | | | | | | | | In the long bug-hunt for why dynamic WEP networks didn't work it turned out that mac80211 incorrectly uses IW_AUTH_KEY_MGMT while it should use IW_AUTH_PRIVACY_INVOKED to determine whether to associate to protected networks or not. This patch changes the behaviour to be that way and clarifies the existing code. Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Cc: Jouni Malinen <j@w1.fi> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* mac80211: remove unused driver opsJohannes Berg2007-11-102-27/+1
| | | | | | | | | | | | The driver operations set_ieee8021x(), set_port_auth() and set_privacy_invoked() are not used by any drivers, except set_privacy_invoked() they aren't even used by mac80211. Remove them at least until we need to support drivers with mac80211 that require getting this information. Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Acked-by: Michael Wu <flamingice@sourmilk.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* mac80211: remove ieee80211_common.hJohannes Berg2007-11-101-91/+0
| | | | | | | | Robert pointed out that I missed this file when removing the management interface. Do it now. Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* softmac: MAINTAINERS updateJohannes Berg2007-11-101-6/+1
| | | | | | | | | | | This patch marks softmac as obsolete in MAINTAINERS and removes Joe and myself as maintainers, we're no longer using it nor interested in the code in any way. Also remove the website reference because I took it offline. Hopefully the code will go away in 2.6.25. Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Acked-by: Joseph Jezak <josejx@gentoo.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* rfkill: Fix sparse warningMichael Buesch2007-11-101-0/+4
| | | | Signed-off-by: John W. Linville <linville@tuxdriver.com>
* rfkill: Use mutex_lock() at register and add sanity checkMichael Buesch2007-11-101-11/+9
| | | | | | | | | | | | | Replace mutex_lock_interruptible() by mutex_lock() in rfkill_register(), as interruptible doesn't make sense there. Add a sanity check for rfkill->type, as that's used for an unchecked dereference in an array and might cause hard to debug crashes if the driver sets this to an invalid value. Signed-off-by: Michael Buesch <mb@bu3sch.de> Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* iwlwifi: select proper rate control algorithmJohannes Berg2007-11-102-0/+4
| | | | | | | | | | | | | | | Prior to this patch, iwlwifi would always use the first registered rate control algorithm which, depending on system setup, could be anything. After the mac80211 patch to make the simple algorithm built-in, it would always be simple. This has always been a bug in iwlwifi. This fixes it by requesting that mac80211 selects the right rate control algorithm. Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* mac80211: allow driver to ask for a rate control algorithmJohannes Berg2007-11-102-1/+7
| | | | | | | | | This allows a driver to ask for a specific rate control algorithm. The rate control algorithm asked for must be registered and be available as a module or built-in. Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* mac80211: don't allow registering the same rate control twiceJohannes Berg2007-11-101-1/+10
| | | | | | | | | | Previously, mac80211 would allow registering the same rate control algorithm twice. This is a programming error in the registration and should not happen; additionally the second version could never be selected. Disallow this and warn about it. Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* rfkill: Use subsys_initcallMichael Buesch2007-11-101-1/+1
| | | | | | | | | We must use subsys_initcall, because we must initialize before a driver calls rfkill_register(). Signed-off-by: Michael Buesch <mb@bu3sch.de> Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* mac80211: make simple rate control algorithm built-inJohannes Berg2007-11-106-27/+42
| | | | | | | | | | | | | | Too frequently people do not have module autoloading enabled or fail to install the rate control module correctly, hence their hardware probing fails due to no rate control algorithm being available. This makes the 'simple' algorithm built into the mac80211 module unless EMBEDDED is enabled in which case it can be disabled (eg. if the wanted driver requires another rate control algorithm.) Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Acked-by: Michael Buesch <mb@bu3sch.de> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* rfkill: Register LED triggers before registering switchMichael Buesch2007-11-101-5/+6
| | | | | | | | | | | Registering the switch triggers a LED event, so we must register LED triggers before the switch. This has a potential to fix a crash, depending on how the device driver initializes the rfkill data structure. Signed-off-by: Michael Buesch <mb@bu3sch.de> Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* ssb: Fix initcall orderingMichael Buesch2007-11-101-1/+4
| | | | | | | | | ssb must init after PCI but before the ssb drivers. Signed-off-by: Michael Buesch <mb@bu3sch.de> Cc: Christian Casteyde <casteyde.christian@free.fr> Fixes-bug: #9219 Signed-off-by: John W. Linville <linville@tuxdriver.com>
* softmac: fix wext MLME request reason code endiannessJohannes Berg2007-11-101-1/+1
| | | | | | | | | | | The MLME request reason code is host-endian and our passing it to the low level functions is host-endian as well since they do the swapping. I noticed that the reason code 768 was sent (0x300) rather than 3 when wpa_supplicant terminates. This removes the superfluous cpu_to_le16() call. Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* [PKT_SCHED] CLS_U32: Use ffs() instead of C code on hash mask to get first ↵Radu Rendec2007-11-101-11/+1
| | | | | | | | | | | | | | | | | set bit. Computing the rank of the first set bit in the hash mask (for using later in u32_hash_fold()) was done with plain C code. Using ffs() instead makes the code more readable and improves performance (since ffs() is better optimized in assembler). Using the conditional operator on hash mask before applying ntohl() also saves one ntohl() call if mask is 0. Signed-off-by: Radu Rendec <radu.rendec@ines.ro> Signed-off-by: Jarek Poplawski <jarkao2@o2.pl> Acked-by: Jamal Hadi Salim <hadi@cyberus.ca> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NET]: Fix skb_truesize_check() assertionChuck Lever2007-11-101-1/+3
| | | | | | | | | | | | | | | | The intent of the assertion in skb_truesize_check() is to check for skb->truesize being decremented too much by other code, resulting in a wraparound below zero. The type of the right side of the comparison causes the compiler to promote the left side to an unsigned type, despite the presence of an explicit type cast. This defeats the check for negativity. Ensure both sides of the comparison are a signed type to prevent the implicit type conversion. Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [VLAN]: Allow setting mac address while device is upPatrick McHardy2007-11-103-0/+28
| | | | | Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* [VLAN]: Don't synchronize addresses while the vlan device is downPatrick McHardy2007-11-101-0/+4
| | | | | | | | | | While the VLAN device is down, the unicast addresses are not configured on the underlying device, so we shouldn't attempt to sync them. Noticed by Dmitry Butskoy <buc@odusz.so-cdu.ru> Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* [INET]: Cleanup the xfrm4_tunnel_(un)registerPavel Emelyanov2007-11-101-4/+7
| | | | | | | | Both check for the family to select an appropriate tunnel list. Consolidate this check and make the for() loop more readable. Signed-off-by: Pavel Emelyanov <xemul@openvz.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* [INET]: Add missed tunnel64_err handlerPavel Emelyanov2007-11-101-1/+12
| | | | | | | | | | | | The tunnel64_protocol uses the tunnel4_protocol's err_handler and thus calls the tunnel4_protocol's handlers. This is not very good, as in case of (icmp) error the wrong error handlers will be called (e.g. ipip ones instead of sit) and this won't be noticed at all, because the error is not reported. Signed-off-by: Pavel Emelyanov <xemul@openvz.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* [IPX]: Use existing sock refcnt debugging infrastructurePavel Emelyanov2007-11-101-18/+4
| | | | | | | | | | | | Just like in the af_packet.c, the ipx_sock_nr variable is used for debugging purposes. Switch to using existing infrastructure. Thanks to Arnaldo for pointing this out. Signed-off-by: Pavel Emelyanov <xemul@openvz.org> Acked-by: Arnaldo Carvalho de Melo <acme@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [PACKET]: Use existing sock refcnt debugging infrastructurePavel Emelyanov2007-11-101-8/+3
| | | | | | | | | | | | The packet_socks_nr variable is used purely for debugging the number of sockets. As Arnaldo pointed out, there's already an infrastructure for this purposes, so switch to using it. Signed-off-by: Pavel Emelyanov <xemul@openvz.org> Acked-by: Arnaldo Carvalho de Melo <acme@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NET]: Fix infinite loop in dev_mc_unsync().Joe Perches2007-11-101-7/+7
| | | | | | | | From: Joe Perches <joe@perches.com> Based upon an initial patch and report by Luis R. Rodriguez. Signed-off-by: David S. Miller <davem@davemloft.net>
* [NET]: Make helper to get dst entry and "use" itPavel Emelyanov2007-11-104-26/+15
| | | | | | | | | | There are many places that get the dst entry, increase the __use counter and set the "lastuse" time stamp. Make a helper for this. Signed-off-by: Pavel Emelyanov <xemul@openvz.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* [IPV4]: Remove bugus goto-s from ip_route_input_slowPavel Emelyanov2007-11-101-5/+0
| | | | | | | | | | | | | | | | | | | | Both places look like if (err == XXX) goto yyy; done: while both yyy targets look like err = XXX; goto done; so this is ok to remove the above if-s. yyy labels are used in other places and are not removed. Signed-off-by: Pavel Emelyanov <xemul@openvz.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* [TCP]: Split SACK FRTO flag clearing (fixes FRTO corner case bug)Ilpo Järvinen2007-11-101-18/+17
| | | | | | | | | | | | | | | | | In case we run out of mem when fragmenting, the clearing of FLAG_ONLY_ORIG_SACKED might get missed which then feeds FRTO with false information. Move clearing outside skb processing loop so that it will get executed even if the skb loop terminates prematurely due to out-of-mem. Besides, now the core of the loop truly deals with a single skb only, which also enables creation a more self-contained of tcp_sacktag_one later on. In addition, small reorganization of if branches was made. Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@helsinki.fi> Signed-off-by: David S. Miller <davem@davemloft.net>
* [TCP]: Add unlikely() to sacktag out-of-mem in fragment caseIlpo Järvinen2007-11-101-1/+1
| | | | | Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@helsinki.fi> Signed-off-by: David S. Miller <davem@davemloft.net>
* [TCP]: Fix reord detection due to snd_una covered holesIlpo Järvinen2007-11-101-18/+32
| | | | | | | | | | | | | | | | | | | Fixes subtle bug like the one with fastpath_cnt_hint happening due to the way the GSO and hints interact. Because hints are not reset when just a GSOed skb is partially ACKed, there's no guarantee that the relevant part of the write queue is going to be processed in sacktag at all (skbs below snd_una) because fastpath hint can fast forward the entrypoint. This was also on the way of future reductions in sacktag's skb processing. Also future cleanups in sacktag can be made after this (in 2.6.25). This may make reordering update in tcp_try_undo_partial redundant but I'm not too sure so I left it there. Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@helsinki.fi> Signed-off-by: David S. Miller <davem@davemloft.net>
* [TCP]: Consider GSO while counting reord in sacktagIlpo Järvinen2007-11-101-4/+8
| | | | | | | | | | Reordering detection fails to take account that the reordered skb may have pcount larger than 1. In such case the lowest of them had the largest reordering, the old formula used the highest of them which is pcount - 1 packets less reordered. Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@helsinki.fi> Signed-off-by: David S. Miller <davem@davemloft.net>
* [INET]: Add a missing include <linux/vmalloc.h> to inet_hashtables.hEric Dumazet2007-11-101-0/+1
| | | | | Signed-off-by: Eric Dumazet <dada1@cosmosbay.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* ACPI: add documentation for deprecated /proc/acpi/battery in ACPI_PROCFSJerome Pinot2007-11-101-0/+1
| | | | | | | | | Add documentation in Kconfig help about the move of /proc/acpi/battery to /sys/class/power_supply when selecting ACPI_PROCFS. This will impact a lot of users and should be documented. Signed-off-by: Jerome Pinot <ngc891@gmail.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* Merge branch 'for-linus' of ↵Linus Torvalds2007-11-101-1/+1
|\ | | | | | | | | | | | | 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: Add missing "\n" to log message
| * Add missing "\n" to log messageRolf Eike Beer2007-11-101-1/+1
| | | | | | | | | | Signed-off-by: Rolf Eike Beer <eike-kernel@sf-tec.de> Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>
* | Merge branch 'upstream-linus' of ↵Linus Torvalds2007-11-106-74/+172
|\ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | master.kernel.org:/pub/scm/linux/kernel/git/jgarzik/libata-dev * 'upstream-linus' of master.kernel.org:/pub/scm/linux/kernel/git/jgarzik/libata-dev: libata: Don't fail device revalidation for bad _GTF methods libata: port and host should be stopped before hardware resources are released libata: skip 0xff polling for PATA controllers libata: pata_platform: Support polling-mode configuration. libata: Support PIO polling-only hosts. libata sata_qstor conversion to new error handling (EH). libata sata_qstor workaround for spurious interrupts libata sata_qstor nuke idle state nv_hardreset: update dangling reference to bugzilla entry ata_piix: add SATELLITE PRO U200 to broken suspend list
| * | libata: Don't fail device revalidation for bad _GTF methodsMatthew Garrett2007-11-101-8/+2
| | | | | | | | | | | | | | | | | | | | | | | | Experience suggests that the _GTF method may be bad. We currently fail device revalidation in that case, which seems excessive. Signed-off-by: Matthew Garrett <mjg59@srcf.ucam.org> Signed-off-by: Jeff Garzik <jeff@garzik.org>
| * | libata: port and host should be stopped before hardware resources are releasedTejun Heo2007-11-081-13/+39
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Port / host stop calls used to be made from ata_host_release() which is called after all hardware resources acquired after host allocation are released. This is wrong as port and host stop routines often access the hardware. Add separate devres for port / host stop which is invoked right after IRQ is released but with all other hardware resources intact. The devres is added iff ->host_stop and/or ->port_stop exist. This problem has been spotted by Mark Lord. Signed-off-by: Tejun Heo <htejun@gmail.com> Cc: Mark Lord <liml@rtr.ca> Signed-off-by: Jeff Garzik <jeff@garzik.org>
| * | libata: skip 0xff polling for PATA controllersTejun Heo2007-11-081-5/+11
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | In a presentation of true workmanship, pata_ali asserts IRQ permanantly if the TF status register is read more than once when there's no device attached to the port. Avoid waiting polling for !0xff if it's PATA. It's needed only for some rare SATA devices anyway. This problem is reported by Luca Tettamanti in bugzilla bug 9298. Signed-off-by: Tejun Heo <htejun@gmail.com> Tested-By: Luca Tettamanti <kronos.it@gmail.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
| * | libata: pata_platform: Support polling-mode configuration.Paul Mundt2007-11-081-7/+28
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Some SH boards (old R2D-1 boards) have generally not had working CF under libata, due to both buswidth issues (handled by Aoi Shinkai in 43f4b8c7578b928892b6f01d374346ae14e5eb70), and buggy interrupt controllers. For these sorts of boards simply disabling the IRQ and polling ends up working fine. This conditionalizes the IRQ resource for pata_platform and lets platforms that want to use polling mode simply omit the resource entirely. Signed-off-by: Paul Mundt <lethal@linux-sh.org> Signed-off-by: Jeff Garzik <jeff@garzik.org>
| * | libata: Support PIO polling-only hosts.Paul Mundt2007-11-081-0/+10
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | By default ata_host_activate() expects a valid IRQ in order to successfully register the host. This patch enables a special case for registering polling-only hosts that either don't have IRQs or have buggy IRQ generation (either in terms of handling or sensing), which otherwise work fine. Hosts that want to use polling mode can simply set ATA_FLAG_PIO_POLLING and pass in an invalid IRQ. Signed-off-by: Paul Mundt <lethal@linux-sh.org> Signed-off-by: Jeff Garzik <jeff@garzik.org>
| * | libata sata_qstor conversion to new error handling (EH).Mark Lord2007-11-081-14/+51
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | sata_qstor conversion to new error handling (EH). Convert sata_qstor to use the newer libata EH mechanisms. Based on earlier work by Jeff Garzik. Signed-off-by: Mark Lord <mlord@pobox.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
| * | libata sata_qstor workaround for spurious interruptsMark Lord2007-11-081-17/+21
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | sata_qstor workaround for spurious interrupts. The qstor hardware generates spurious interrupts from time to time when switching in and out of packet mode. These eventually result in the IRQ being disabled, which kills other devices sharing this IRQ with us. This workaround isn't perfect, but it's about the best we can do for this hardware. Spurious interrupts will still happen, but won't be logged as such, and therefore won't cause the IRQ to be inadvertently disabled. Signed-off-by: Mark Lord <mlord@pobox.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
| * | libata sata_qstor nuke idle stateMark Lord2007-11-081-11/+4
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | sata_qstor nuke idle state. We're really only ever in one of two hardware states: packet, or mmio. Get rid of unnecessary "qs_state_idle" state. Signed-off-by: Mark Lord <mlord@pobox.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
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