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* [PATCH] fix TASK_STOPPED vs TASK_NONINTERACTIVE interactionOleg Nesterov2005-09-29
| | | | | | | | | | | | | | | | | | | | | | | | | | | | do_signal_stop: for_each_thread(t) { if (t->state < TASK_STOPPED) ++sig->group_stop_count; } However, TASK_NONINTERACTIVE > TASK_STOPPED, so this loop will not count TASK_INTERRUPTIBLE | TASK_NONINTERACTIVE threads. See also wait_task_stopped(), which checks ->state > TASK_STOPPED. Signed-off-by: Oleg Nesterov <oleg@tv-sign.ru> [ We really probably should always use the appropriate bitmasks to test task states, not do it like this. Using something like #define TASK_RUNNABLE (TASK_RUNNING | TASK_INTERRUPTIBLE | \ TASK_UNINTERRUPTIBLE | TASK_NONINTERACTIVE) and then doing "if (task->state & TASK_RUNNABLE)" or similar. But the ordering of the task states is historical, and keeping the ordering does make sense regardless. ] Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* Merge master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6Linus Torvalds2005-09-29
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| * [NET]: Fix GCC4 compile error: sysctl in linux/if_ether.hBen Dooks2005-09-27
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The following is generated when compiling a recent (2.6.14-rc2-git5) kernel configured for ARM, with GCC4. CC init/main.o In file included from include/linux/netdevice.h:29, from include/net/sock.h:48, from init/main.c:50: include/linux/if_ether.h:114: error: array type has incomplete element type It seems that if CONFIG_SYSCTL is not set, then the compiler will throw an error due to the definition of the ether_table[] array Attached is a solution to the problem Signed-off-by: Ben Dooks <ben-linux@fluff.org> Signed-off-by: David S. Miller <davem@davemloft.net>
| * [NET]: Add Sun Cassini driver.David S. Miller2005-09-27
| | | | | | | | | | | | | | | | Written by Adrian Sun (asun@darksunrising.com). Ported to 2.6.x by Tom 'spot' Callaway <tcallawa@redhat.com>. Further cleaned up and integrated by David S. Miller Signed-off-by: David S. Miller <davem@davemloft.net>
| * [NET]: Reorder some hot fields of struct net_deviceEric Dumazet2005-09-27
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Place them on separate cache lines in SMP to lower memory bouncing between multiple CPU accessing the device. - One part is mostly used on receive path (including eth_type_trans()) (poll_list, poll, quota, weight, last_rx, dev_addr, broadcast) - One part is mostly used on queue transmit path (qdisc) (queue_lock, qdisc, qdisc_sleeping, qdisc_list, tx_queue_len) - One part is mostly used on xmit path (device) (xmit_lock, xmit_lock_owner, priv, hard_start_xmit, trans_start) 'features' is placed outside of these hot points, in a location that may be shared by all cpus (because mostly read) name_hlist is moved close to name[IFNAMSIZ] to speedup __dev_get_by_name() Signed-off-by: Eric Dumazet <dada1@cosmosbay.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* | Merge master.kernel.org:/pub/scm/linux/kernel/git/davem/sparc-2.6Linus Torvalds2005-09-29
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| * | [SPARC64]: Add missing IDs for newer cpus.David S. Miller2005-09-28
| | | | | | | | | | | | | | | | | | | | | | | | Also, the us3_cpufreq driver can work on Ultra-IV and IV+. They use the SAFARI bus register to control the clock divider just like Ultra-III and III+ do. Signed-off-by: David S. Miller <davem@davemloft.net>
| * | [SPARC64]: Add defines for 32MB/256MB PTE page size on Ultra-IV+.David S. Miller2005-09-28
| |/ | | | | | | Signed-off-by: David S. Miller <davem@davemloft.net>
* | [PATCH] mv64x60 iomem annotationsAl Viro2005-09-29
| | | | | | | | | | Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* | [PATCH] ppc64 get_user annotationsAl Viro2005-09-29
| | | | | | | | | | | | | | long is not uintptr_t, unsigned long is. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* | [PATCH] s390 signal annotationsAl Viro2005-09-29
| | | | | | | | | | Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* | [PATCH] ia64 basic __user annotationsAl Viro2005-09-29
| | | | | | | | | | | | | | | | | | - document places where we pass kernel address to low-level primitive that deals with kernel/user addresses - uintptr_t is unsigned long, not long Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* | [PATCH] arm/rpc iomem annotationsAl Viro2005-09-29
| | | | | | | | | | Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* | [PATCH] arm/versatile iomem annotationsAl Viro2005-09-29
| | | | | | | | | | Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* | [PATCH] Keys: Add possessor permissions to keys [try #3]David Howells2005-09-28
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The attached patch adds extra permission grants to keys for the possessor of a key in addition to the owner, group and other permissions bits. This makes SUID binaries easier to support without going as far as labelling keys and key targets using the LSM facilities. This patch adds a second "pointer type" to key structures (struct key_ref *) that can have the bottom bit of the address set to indicate the possession of a key. This is propagated through searches from the keyring to the discovered key. It has been made a separate type so that the compiler can spot attempts to dereference a potentially incorrect pointer. The "possession" attribute can't be attached to a key structure directly as it's not an intrinsic property of a key. Pointers to keys have been replaced with struct key_ref *'s wherever possession information needs to be passed through. This does assume that the bottom bit of the pointer will always be zero on return from kmem_cache_alloc(). The key reference type has been made into a typedef so that at least it can be located in the sources, even though it's basically a pointer to an undefined type. I've also renamed the accessor functions to be more useful, and all reference variables should now end in "_ref". Signed-Off-By: David Howells <dhowells@redhat.com> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* | Merge branch 'for-linus' from ↵Linus Torvalds2005-09-28
|\ \ | | | | | | | | | master.kernel.org:/pub/scm/linux/kernel/git/roland/infiniband
| * | [IB] uverbs: Close some exploitable racesRoland Dreier2005-09-26
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Al Viro pointed out that the current IB userspace verbs interface allows userspace to cause mischief by closing file descriptors before we're ready, or issuing the same command twice at the same time. This patch closes those races, and fixes other obvious problems such as a module reference leak. Some other interface bogosities will require an ABI change to fix properly, so I'm deferring those fixes until 2.6.15. Signed-off-by: Roland Dreier <rolandd@cisco.com>
* | | [PATCH] ppc64: More hugepage fixesBenjamin Herrenschmidt2005-09-28
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | My previous patch fixing invalidation of huge PTEs wasn't good enough, we still had an issue if a PTE invalidation batch contained both small and large pages. This patch fixes this by making sure the batch is flushed if the page size fed to it changes. Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* | | [PATCH] mm: move_pte to remap ZERO_PAGENick Piggin2005-09-28
| |/ |/| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Move the ZERO_PAGE remapping complexity to the move_pte macro in asm-generic, have it conditionally depend on __HAVE_ARCH_MULTIPLE_ZERO_PAGE, which gets defined for MIPS. For architectures without __HAVE_ARCH_MULTIPLE_ZERO_PAGE, move_pte becomes a noop. From: Hugh Dickins <hugh@veritas.com> Fix nasty little bug we've missed in Nick's mremap move ZERO_PAGE patch. The "pte" at that point may be a swap entry or a pte_file entry: we must check pte_present before perhaps corrupting such an entry. Patch below against 2.6.14-rc2-mm1, but the same bug is in 2.6.14-rc2's mm/mremap.c, and more dangerous there since it's affecting all arches: I think the safest course is to send Nick's patch and Yoichi's build fix and this fix (build tested) on to Linus - so only MIPS can be affected. Signed-off-by: Nick Piggin <npiggin@suse.de> Signed-off-by: Hugh Dickins <hugh@veritas.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* | Merge master.kernel.org:/pub/scm/linux/kernel/git/davem/sparc-2.6Linus Torvalds2005-09-27
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| * | [SPARC64]: Probe D/I/E-cache config and use.David S. Miller2005-09-26
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | At boot time, determine the D-cache, I-cache and E-cache size and line-size. Use them in cache flushes when appropriate. This change was motivated by discovering that the D-cache on UltraSparc-IIIi and later are 64K not 32K, and the flushes done by the Cheetah error handlers were assuming a 32K size. There are still some pieces of code that are hard coding things and will need to be fixed up at some point. While we're here, fix the D-cache and I-cache parity error handlers to run with interrupts disabled, and when the trap occurs at trap level > 1 log the event via a counter displayed in /proc/cpuinfo. Signed-off-by: David S. Miller <davem@davemloft.net>
| * | [SPARC64]: Add CONFIG_DEBUG_PAGEALLOC support.David S. Miller2005-09-25
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The trick is that we do the kernel linear mapping TLB miss starting with an instruction sequence like this: ba,pt %xcc, kvmap_load xor %g2, %g4, %g5 succeeded by an instruction sequence which performs a full page table walk starting at swapper_pg_dir. We first take over the trap table from the firmware. Then, using this constant PTE generation for the linear mapping area above, we build the kernel page tables for the linear mapping. After this is setup, we patch that branch above into a "nop", which will cause TLB misses to fall through to the full page table walk. With this, the page unmapping for CONFIG_DEBUG_PAGEALLOC is trivial. Signed-off-by: David S. Miller <davem@davemloft.net>
| * | [SPARC64]: Rewrite bootup sequence.David S. Miller2005-09-22
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Instead of all of this cpu-specific code to remap the kernel to the correct location, use portable firmware calls to do this instead. What we do now is the following in position independant assembler: chosen_node = prom_finddevice("/chosen"); prom_mmu_ihandle_cache = prom_getint(chosen_node, "mmu"); vaddr = 4MB_ALIGN(current_text_addr()); prom_translate(vaddr, &paddr_high, &paddr_low, &mode); prom_boot_mapping_mode = mode; prom_boot_mapping_phys_high = paddr_high; prom_boot_mapping_phys_low = paddr_low; prom_map(-1, 8 * 1024 * 1024, KERNBASE, paddr_low); and that replaces the massive amount of by-hand TLB probing and programming we used to do here. The new code should also handle properly the case where the kernel is mapped at the correct address already (think: future kexec support). Consequently, the bulk of remap_kernel() dies as does the entirety of arch/sparc64/prom/map.S We try to share some strings in the PROM library with the ones used at bootup, and while we're here mark input strings to oplib.h routines with "const" when appropriate. There are many more simplifications now possible. For one thing, we can consolidate the two copies we now have of a lot of cpu setup code sitting in head.S and trampoline.S. This is a significant step towards CONFIG_DEBUG_PAGEALLOC support. Signed-off-by: David S. Miller <davem@davemloft.net>
* | | Merge master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6Linus Torvalds2005-09-26
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| * \ \ Merge master.kernel.org:/pub/scm/linux/kernel/git/acme/llc-2.6David S. Miller2005-09-26
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| | * | | [LLC]: fix llc_ui_recvmsg, making it behave like tcp_recvmsgArnaldo Carvalho de Melo2005-09-22
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | In fact it is an exact copy of the parts that makes sense to LLC :-) Signed-off-by: Arnaldo Carvalho de Melo <acme@mandriva.com>
| | * | | [LLC]: Fix the accept pathArnaldo Carvalho de Melo2005-09-22
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Borrowing the structure of TCP/IP for this. On the receive of new connections I was bh_lock_socking the _new_ sock, not the listening one, duh, now it survives the ssh connections storm I've been using to test this specific bug. Also fixes send side skb sock accounting. Signed-off-by: Arnaldo Carvalho de Melo <acme@mandriva.com>
| | * | | [LLC]: Fix sparse warningsArnaldo Carvalho de Melo2005-09-22
| | | | | | | | | | | | | | | | | | | | Signed-off-by: Arnaldo Carvalho de Melo <acme@mandriva.com>
| | * | | [LLC]: Use refcounting with struct llc_sapArnaldo Carvalho de Melo2005-09-22
| | | | | | | | | | | | | | | | | | | | | | | | | Signed-off-by: Jochen Friedrich <jochen@scram.de> Signed-off-by: Arnaldo Carvalho de Melo <acme@mandriva.com>
| | * | | [LLC]: Do better struct sock accounting on skbsArnaldo Carvalho de Melo2005-09-22
| | | | | | | | | | | | | | | | | | | | | | | | | Signed-off-by: Jochen Friedrich <jochen@scram.de> Signed-off-by: Arnaldo Carvalho de Melo <acme@mandriva.com>
| | * | | [LLC]: Add sysctl support for the LLC timeoutsArnaldo Carvalho de Melo2005-09-22
| | | | | | | | | | | | | | | | | | | | | | | | | Signed-off-by: Jochen Friedrich <jochen@scram.de> Signed-off-by: Arnaldo Carvalho de Melo <acme@mandriva.com>
| | * | | [LLC]: Make llc_frame_alloc take a net_device as an argumentArnaldo Carvalho de Melo2005-09-22
| | |/ / | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | So as to set the newly created sk_buff ->dev member with it, that way we stop using dev_base->next, that is the wrong thing to do, as there may well be several interfaces being used with LLC. This was not such a big problem after all as most of the users of llc_alloc_frame were setting the correct dev, but this way code is reduced. This also fixes another bug in llc_station_ac_send_null_dsap_xid_c, that was not setting the skb->dev field. Signed-off-by: Jochen Friedrich <jochen@scram.de> Signed-off-by: Arnaldo Carvalho de Melo <acme@mandriva.com>
| * | | [NETFILTER]: Fix invalid module autoloading by splitting iptable_natHarald Welte2005-09-26
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | When you've enabled conntrack and NAT as a module (standard case in all distributions), and you've also enabled the new conntrack netlink interface, loading ip_conntrack_netlink.ko will auto-load iptable_nat.ko. This causes a huge performance penalty, since for every packet you iterate the nat code, even if you don't want it. This patch splits iptable_nat.ko into the NAT core (ip_nat.ko) and the iptables frontend (iptable_nat.ko). Threfore, ip_conntrack_netlink.ko will only pull ip_nat.ko, but not the frontend. ip_nat.ko will "only" allocate some resources, but not affect runtime performance. This separation is also a nice step in anticipation of new packet filters (nf-hipac, ipset, pkttables) being able to use the NAT core. Signed-off-by: Harald Welte <laforge@netfilter.org> Signed-off-by: David S. Miller <davem@davemloft.net>
| * | | [CONNECTOR]: async connector mode.Evgeniy Polyakov2005-09-26
| | |/ | |/| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | If input message rate from userspace is too high, do not drop them, but try to deliver using work queue allocation. Failing there is some kind of congestion control. It also removes warn_on on this condition, which scares people. Signed-off-by: Evgeniy Polyakov <johnpol@2ka.mipt.ru> Signed-off-by: David S. Miller <davem@davemloft.net>
* | | Merge master.kernel.org:/home/rmk/linux-2.6-armLinus Torvalds2005-09-26
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| * | | [ARM] Remove SA_IRQNOMASKRussell King2005-09-26
| | | | | | | | | | | | | | | | | | | | | | | | SA_IRQNOMASK is unused, remove it. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
| * | | [ARM] 2934/1: Anubis - fix VA offsets for CPLD registersBen Dooks2005-09-25
| |/ / | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Patch from Ben Dooks The VA addresses of the Anubis CPLD registers confoict with the addresses for the ISA space maps used by the rest of the s3c2410 architecture Signed-off-by: Ben Dooks <ben-linux@fluff.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
* | | Merge master.kernel.org:/pub/scm/linux/kernel/git/brodo/pcmcia-fixes-2.6Linus Torvalds2005-09-26
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| * | | [PATCH] pcmcia: fix cross-platform issues with pcmcia module aliasesKars de Jong2005-09-26
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | - Added a missing TO_NATIVE call to scripts/mod/file2alias.c:do_pcmcia_entry() - Add an alignment attribute to struct pcmcia_device_no to solve an alignment issue seen when cross-compiling on x86 for m68k. Signed-off-by: Kars de Jong <jongk@linux-m68k.org> Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
| * | | [PATCH] yenta: add support for more TI bridgesDaniel Ritz2005-09-26
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Support some more TI cardbus bridges. most of them are multifunction devices which adds 1394 controllers, smartcard readers etc. this could also help with the various problems with the XX21 controllers seen on the linux-pcmcia list. Signed-off-by: Daniel Ritz <daniel.ritz@gmx.ch> Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
| * | | [PATCH] yenta: auto-tune EnE bridges for CardBus cardsDaniel Ritz2005-09-26
| |/ / | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Echo Audio cardbus products are known to be incompatible with EnE bridges. in order to maybe solve the problem a EnE specific test bit has to be set, another cleared...but other setups have a good chance to break when just forcing the bits. so do the whole thingy automatically. The patch adds a hook in cb_alloc() that allows special tuning for the different chipsets. for ene just match the Echo products and set/clear the test bits, defaults to do the same thing as w/o the patch to not break working setups. Signed-off-by: Daniel Ritz <daniel.ritz@gmx.ch> Cc: Linus Torvalds <torvalds@osdl.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
* | | [PATCH] m32r: more basic __user annotationsAl Viro2005-09-26
| | | | | | | | | | | | | | | Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* | | [PATCH] m32r: missing __iomem in ioremap() declarationAl Viro2005-09-26
|/ / | | | | | | | | Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* | [ARM] Fix compiler warnings for memcpy_toio/memcpy_fromio/memset_ioRussell King2005-09-24
| | | | | | | | | | | | | | Add 'volatile' to the __iomem pointers for these functions as per x86. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
* | Merge branch 'upstream' from ↵Linus Torvalds2005-09-23
|\ \ | | | | | | | | | master.kernel.org:/pub/scm/linux/kernel/git/jgarzik/libata-dev
| * \ Merge /spare/repo/linux-2.6/Jeff Garzik2005-09-23
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| * | | [PATCH] Add NVIDIA device ID in sata_nvAndy Currid2005-09-21
| | | | | | | | | | | | | | | | | | | | Signed-off-by: Andy Currid <acurrid@nvidia.com> Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
| * | | [PATCH] PATCH: remove function for non-PCI as requestedAlan Cox2005-09-16
| | | | | | | | | | | | | | | | | | | | Signed-off-by: Alan Cox <alan@redhat.com> Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
* | | | [NETFILTER] Fix conntrack event cache deadlock/oopsHarald Welte2005-09-23
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch fixes a number of bugs. It cannot be reasonably split up in multiple fixes, since all bugs interact with each other and affect the same function: Bug #1: The event cache code cannot be called while a lock is held. Therefore, the call to ip_conntrack_event_cache() within ip_ct_refresh_acct() needs to be moved outside of the locked section. This fixes a number of 2.6.14-rcX oops and deadlock reports. Bug #2: We used to call ct_add_counters() for unconfirmed connections without holding a lock. Since the add operations are not atomic, we could race with another CPU. Bug #3: ip_ct_refresh_acct() lost REFRESH events in some cases where refresh (and the corresponding event) are desired, but no accounting shall be performed. Both, evenst and accounting implicitly depended on the skb parameter bein non-null. We now re-introduce a non-accounting "ip_ct_refresh()" variant to explicitly state the desired behaviour. Signed-off-by: Harald Welte <laforge@netfilter.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* | | | [NETFILTER] remove unneeded structure definition from conntrack helperHarald Welte2005-09-23
| | | | | | | | | | | | | | | | | | | | Signed-off-by: Harald Welte <laforge@netfilter.org> Signed-off-by: David S. Miller <davem@davemloft.net>
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