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* [S390] convert iucv printks to dev_xxx and pr_xxx macros.Ursula Braun2008-12-252-6/+22
| | | | | Signed-off-by: Ursula Braun <braunu@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
* [S390] iucv: Locking free version of iucv_message_(receive|send)Hendrik Brueckner2008-12-251-36/+116
| | | | | | | Provide a locking free version of iucv_message_receive and iucv_message_send that do not call local_bh_enable in a spin_lock_(bh|irqsave)() context. Signed-off-by: Hendrik Brueckner <brueckner@linux.vnet.ibm.com>
* iucv: Fix mismerge again.Heiko Carstens2008-09-301-1/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | fb65a7c091529bfffb1262515252c0d0f6241c5c ("iucv: Fix bad merging.") fixed a merge error, but in a wrong way. We now end up with the bug below. This patch corrects the mismerge like it was intended. BUG: scheduling while atomic: swapper/1/0x00000000 Modules linked in: CPU: 1 Not tainted 2.6.27-rc7-00094-gc0f4d6d #9 Process swapper (pid: 1, task: 000000003fe7d988, ksp: 000000003fe838c0) 0000000000000000 000000003fe839b8 0000000000000002 0000000000000000 000000003fe83a58 000000003fe839d0 000000003fe839d0 0000000000390de6 000000000058acd8 00000000000000d0 000000003fe7dcd8 0000000000000000 000000000000000c 000000000000000d 0000000000000000 000000003fe83a28 000000000039c5b8 0000000000015e5e 000000003fe839b8 000000003fe83a00 Call Trace: ([<0000000000015d6a>] show_trace+0xe6/0x134) [<0000000000039656>] __schedule_bug+0xa2/0xa8 [<0000000000391744>] schedule+0x49c/0x910 [<0000000000391f64>] schedule_timeout+0xc4/0x114 [<00000000003910d4>] wait_for_common+0xe8/0x1b4 [<00000000000549ae>] call_usermodehelper_exec+0xa6/0xec [<00000000001af7b8>] kobject_uevent_env+0x418/0x438 [<00000000001d08fc>] bus_add_driver+0x1e4/0x298 [<00000000001d1ee4>] driver_register+0x90/0x18c [<0000000000566848>] netiucv_init+0x168/0x2c8 [<00000000000120be>] do_one_initcall+0x3e/0x17c [<000000000054a31a>] kernel_init+0x1ce/0x248 [<000000000001a97a>] kernel_thread_starter+0x6/0xc [<000000000001a974>] kernel_thread_starter+0x0/0xc iucv: NETIUCV driver initialized initcall netiucv_init+0x0/0x2c8 returned with preemption imbalance Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* Merge branch 'linus' into cpus4096-for-linusIngo Molnar2008-07-212-5/+11
|\ | | | | | | | | | | | | | | Conflicts: net/sunrpc/svc.c Signed-off-by: Ingo Molnar <mingo@elte.hu>
| * iucv: Fix bad merging.David S. Miller2008-07-201-10/+0
| | | | | | | | | | | | Noticed by Stephen Rothwell. Signed-off-by: David S. Miller <davem@davemloft.net>
| * Merge branch 'master' of ↵David S. Miller2008-07-182-19/+19
| |\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | master.kernel.org:/pub/scm/linux/kernel/git/torvalds/linux-2.6 Conflicts: Documentation/powerpc/booting-without-of.txt drivers/atm/Makefile drivers/net/fs_enet/fs_enet-main.c drivers/pci/pci-acpi.c net/8021q/vlan.c net/iucv/iucv.c
| * | iucv: fix memory leak in cpu hotplug error path.Akinobu Mita2008-07-151-1/+4
| | | | | | | | | | | | | | | | | | | | | Fix memory leak in error path in CPU_UP_PREPARE notifier. Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
| * | af_iucv: exploit target message class support of IUCVUrsula Braun2008-06-091-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The first 4 bytes of data to be sent are stored additionally into the message class field of the send request. A receiving target program (not an af_iucv socket program) can make use of this information to pre-screen incoming messages. Signed-off-by: Ursula Braun <braunu@de.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
| * | iucv: prevent cpu hotplug when walking cpu_online_map.Heiko Carstens2008-06-091-4/+7
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The code used preempt_disable() to prevent cpu hotplug, however that doesn't protect for cpus being added. So use get_online_cpus() instead. Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com> Signed-off-by: Ursula Braun <braunu@de.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
| * | iucv: fix section mismatch warning.Heiko Carstens2008-06-091-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | WARNING: net/iucv/built-in.o(.exit.text+0x9c): Section mismatch in reference from the function iucv_exit() to the variable .cpuinit.data:iucv_cpu_notifier This warning is caused by a reference from unregister_hotcpu_notifier() from an exit function to a cpuinitdata annotated data structurre. This is a false positive warning since for the non CPU_HOTPLUG case unregister_hotcpu_notifier() is a nop. Use __refdata instead of __cpuinitdata to get rid of the warning. Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com> Signed-off-by: Ursula Braun <braunu@de.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* | | Merge branch 'linus' into cpus4096Ingo Molnar2008-07-162-21/+12
|\ \ \ | | |/ | |/| | | | | | | | | | | | | | | | | | | | | | Conflicts: arch/x86/xen/smp.c kernel/sched_rt.c net/iucv/iucv.c Signed-off-by: Ingo Molnar <mingo@elte.hu>
| * | Merge branch 'generic-ipi' into generic-ipi-for-linusIngo Molnar2008-07-151-8/+8
| |\ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Conflicts: arch/powerpc/Kconfig arch/s390/kernel/time.c arch/x86/kernel/apic_32.c arch/x86/kernel/cpu/perfctr-watchdog.c arch/x86/kernel/i8259_64.c arch/x86/kernel/ldt.c arch/x86/kernel/nmi_64.c arch/x86/kernel/smpboot.c arch/x86/xen/smp.c include/asm-x86/hw_irq_32.h include/asm-x86/hw_irq_64.h include/asm-x86/mach-default/irq_vectors.h include/asm-x86/mach-voyager/irq_vectors.h include/asm-x86/smp.h kernel/Makefile Signed-off-by: Ingo Molnar <mingo@elte.hu>
| | * | on_each_cpu(): kill unused 'retry' parameterJens Axboe2008-06-261-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | It's not even passed on to smp_call_function() anymore, since that was removed. So kill it. Acked-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com> Reviewed-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com> Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
| | * | smp_call_function: get rid of the unused nonatomic/retry argumentJens Axboe2008-06-261-7/+7
| | |/ | | | | | | | | | | | | | | | | | | | | | It's never used and the comments refer to nonatomic and retry interchangably. So get rid of it. Acked-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com> Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
| * | [S390] Cleanup iucv printk messages.Ursula Braun2008-07-142-13/+4
| |/ | | | | | | | | | | | | Cc: David S. Miller <davem@davemloft.net> Signed-off-by: Ursula Braun <braunu@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com> Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
* | net: use performance variant for_each_cpu_mask_nrMike Travis2008-05-231-1/+1
|/ | | | | | | | | | | | Change references from for_each_cpu_mask to for_each_cpu_mask_nr where appropriate Reviewed-by: Paul Jackson <pj@sgi.com> Reviewed-by: Christoph Lameter <clameter@sgi.com> Signed-off-by: Mike Travis <travis@sgi.com> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
* iucv: Delay bus registration until core is ready.Cornelia Huck2008-04-101-7/+9
| | | | | | | | | | | If we register the iucv bus after the infrastructure is ready, userspace can start relying on it when it receives the uevent for the bus. Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com> Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com> Signed-off-by: Ursula Braun <braunu@de.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* iucv: get rid of in_atomic() use.Heiko Carstens2008-04-101-1/+0
| | | | | | | | | This BUG_ON is not needed, since all (debug) checks are also done in smp_call_function() which gets called by this function. Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com> Signed-off-by: Ursula Braun <braunu@de.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* af_iucv: Use non-deprecated __RW_LOCK_UNLOCKED macro.Robert P. J. Day2008-04-101-1/+1
| | | | | | Signed-off-by: Robert P. J. Day <rpjday@crashcourse.ca> Signed-off-by: Ursula Braun <braunu@de.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* iucv: fix build error on !SMPHeiko Carstens2008-03-031-2/+0
| | | | | | | | | | | | | | | | | Since a5fbb6d1064be885d2a6b82f625186753cf74848 "KVM: fix !SMP build error" smp_call_function isn't a define anymore that folds into nothing but a define that calls up_smp_call_function with all parameters. Hence we cannot #ifdef out the unused code anymore... This seems to be the preferred method, so do this for s390 as well. net/iucv/iucv.c: In function 'iucv_cleanup_queue': net/iucv/iucv.c:657: error: '__iucv_cleanup_queue' undeclared Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com> Signed-off-by: Josef 'Jeff' Sipek <jeffpc@josefsipek.net> Signed-off-by: Ursula Braun <braunu@de.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [AF_IUCV]: defensive programming of iucv_callback_txdoneUrsula Braun2008-02-071-7/+14
| | | | | | | | | | | The loop in iucv_callback_txdone presumes existence of an entry with msg->tag in the send_skb_q list. In error cases this assumption might be wrong and might cause an endless loop. Loop is rewritten to guarantee loop end in case of missing msg->tag entry in send_skb_q. Signed-off-by: Ursula Braun <braunu@de.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [AF_IUCV]: broken send_skb_q results in endless loopUrsula Braun2008-02-071-1/+7
| | | | | | | | | | A race has been detected in iucv_callback_txdone(). skb_unlink has to be done inside the locked area. In addition checkings for successful allocations are inserted. Signed-off-by: Ursula Braun <braunu@de.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [IUCV]: wrong irq-disabling locking at module load timeUrsula Braun2008-02-071-2/+2
| | | | | | | | | | | | Linux may hang when running af_iucv socket programs concurrently with a load of module netiucv. iucv_register() tries to take the iucv_table_lock with spin_lock_irq. This conflicts with iucv_connect() which has a need for an smp_call_function while holding the iucv_table_lock. Solution: use bh-disabling locking in iucv_register() Signed-off-by: Ursula Braun <braunu@de.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [IUCV]: use LIST_HEAD instead of LIST_HEAD_INITDenis Cheng2008-01-281-2/+2
| | | | | | | | these three list_head are all local variables, but can also use LIST_HEAD. Signed-off-by: Denis Cheng <crquan@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NET]: Convert init_timer into setup_timerPavel Emelyanov2008-01-281-8/+1
| | | | | | | | | | | | | Many-many code in the kernel initialized the timer->function and timer->data together with calling init_timer(timer). There is already a helper for this. Use it for networking code. The patch is HUGE, but makes the code 130 lines shorter (98 insertions(+), 228 deletions(-)). 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>
* [S390] Explicitly code allocpercpu calls in iucvChristoph Lameter2007-11-201-46/+61
| | | | | | | | | | | | | | The iucv is the only user of the various functions that are used to bring parts of cpus up and down. Its the only allocpercpu user that will do I/O on per cpu objects (which is difficult to do with virtually mapped memory). And its the only use of allocpercpu where a GFP_DMA allocation is done. Remove the allocpercpu calls from iucv and code the allocation and freeing manually. After this patch it is possible to remove a large part of the allocpercpu API. Signed-off-by: Christoph Lameter <clameter@sgi.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
* [NET]: Forget the zero_it argument of sk_alloc()Pavel Emelyanov2007-11-011-1/+1
| | | | | | | | | | | | | | | Finally, the zero_it argument can be completely removed from the callers and from the function prototype. Besides, fix the checkpatch.pl warnings about using the assignments inside if-s. This patch is rather big, and it is a part of the previous one. I splitted it wishing to make the patches more readable. Hope this particular split helped. Signed-off-by: Pavel Emelyanov <xemul@openvz.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* Fix misspellings of "system", "controller", "interrupt" and "necessary".Robert P. J. Day2007-10-191-1/+1
| | | | | | | | Fix the various misspellings of "system", controller", "interrupt" and "[un]necessary". Signed-off-by: Robert P. J. Day <rpjday@mindspring.com> Signed-off-by: Adrian Bunk <bunk@kernel.org>
* [AF_IUCV]: postpone receival of iucv-packetsUrsula Braun2007-10-101-86/+125
| | | | | | | | | | | | | | | AF_IUCV socket programs may waste Linux storage, because af_iucv allocates an skb whenever posted by the receive callback routine and receives the message immediately. Message receival is now postponed if data from previous callbacks has not yet been transferred to the receiving socket program. Instead a message handle is saved in a message queue as a reminder. Once messages could be given to the receiving socket program, there is an additional checking for entries in the message queue, followed by skb allocation and message receival if applicable. Signed-off-by: Ursula Braun <braunu@de.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [AF_IUCV]: remove static declarations from header file.Heiko Carstens2007-10-101-0/+3
| | | | | | Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com> Signed-off-by: Ursula Braun <braunu@de.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NET]: Make socket creation namespace safe.Eric W. Biederman2007-10-101-2/+2
| | | | | | | | | | | | | | | | | | | | | | | This patch passes in the namespace a new socket should be created in and has the socket code do the appropriate reference counting. By virtue of this all socket create methods are touched. In addition the socket create methods are modified so that they will fail if you attempt to create a socket in a non-default network namespace. Failing if we attempt to create a socket outside of the default network namespace ensures that as we incrementally make the network stack network namespace aware we will not export functionality that someone has not audited and made certain is network namespace safe. Allowing us to partially enable network namespaces before all of the exotic protocols are supported. Any protocol layers I have missed will fail to compile because I now pass an extra parameter into the socket creation code. [ Integrated AF_IUCV build fixes from Andrew Morton... -DaveM ] Signed-off-by: Eric W. Biederman <ebiederm@xmission.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [S390] Convert to smp_call_function_single.Heiko Carstens2007-07-271-7/+8
| | | | | | | | | smp_call_function_single now has the same semantics as s390's smp_call_function_on. Therefore convert to the *single variant and get rid of some architecture specific code. Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
* [AF_IUCV]: Add lock when updating accept_qUrsula Braun2007-07-141-2/+14
| | | | | | | | | | | | The accept_queue of an af_iucv socket will be corrupted, if adding and deleting of entries in this queue occurs at the same time (connect request from one client, while accept call is processed for another client). Solution: add locking when updating accept_q Signed-off-by: Ursula Braun <braunu@de.ibm.com> Acked-by: Frank Pavlic <fpavlic@de.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [AF_IUCV]: Avoid deadlock between iucv_path_connect and tasklet.Ursula Braun2007-07-141-1/+4
| | | | | | | | | | | | | An iucv deadlock may occur, where one CPU is spinning on the iucv_table_lock for iucv_tasklet_fn(), while another CPU is holding the iucv_table_lock for an iucv_path_connect() and is waiting for the first CPU in an smp_call_function. Solution: replace spin_lock in iucv_tasklet_fn by spin_trylock and reschedule tasklet in case of non-granted lock. Signed-off-by: Ursula Braun <braunu@de.ibm.com> Acked-by: Frank Pavlic <fpavlic@de.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [AF_IUCV]: Improve description of IUCV and AFIUCV configuration options.Jennifer Hunt2007-07-141-4/+4
| | | | | | | Signed-off-by: Jennifer Hunt <jenhunt@us.ibm.com> Signed-off-by: Ursula Braun >braunu@de.ibm.com> Acked-by: Frank Pavlic <fpavlic@de.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* Add suspend-related notifications for CPU hotplugRafael J. Wysocki2007-05-091-0/+6
| | | | | | | | | | | | | | | | | | | | | Since nonboot CPUs are now disabled after tasks and devices have been frozen and the CPU hotplug infrastructure is used for this purpose, we need special CPU hotplug notifications that will help the CPU-hotplug-aware subsystems distinguish normal CPU hotplug events from CPU hotplug events related to a system-wide suspend or resume operation in progress. This patch introduces such notifications and causes them to be used during suspend and resume transitions. It also changes all of the CPU-hotplug-aware subsystems to take these notifications into consideration (for now they are handled in the same way as the corresponding "normal" ones). [oleg@tv-sign.ru: cleanups] Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl> Cc: Gautham R Shenoy <ego@in.ibm.com> Cc: Pavel Machek <pavel@ucw.cz> Signed-off-by: Oleg Nesterov <oleg@tv-sign.ru> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* [AF_IUCV]: Compile fix - adopt to skbuff changes.Heiko Carstens2007-05-051-3/+3
| | | | | | | | | | | | | | From: Heiko Carstens <heiko.carstens@de.ibm.com> CC [M] net/iucv/af_iucv.o net/iucv/af_iucv.c: In function `iucv_fragment_skb': net/iucv/af_iucv.c:984: error: structure has no member named `h' net/iucv/af_iucv.c:985: error: structure has no member named `nh' net/iucv/af_iucv.c:988: error: incompatible type for argument 1 of `skb_queue_tail' Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [AF_IUCV/IUCV] : Add missing section annotationsHeiko Carstens2007-05-042-48/+45
| | | | | | | | Add missing section annotations and found and fixed some Coding Style issues. Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com> Signed-off-by: Frank Pavlic <fpavlic@de.ibm.com>
* [AF_IUCV]: Implementation of a skb backlog queueJennifer Hunt2007-05-041-29/+130
| | | | | | | | | | | | | With the inital implementation we missed to implement a skb backlog queue . The result is that socket receive processing tossed packets. Since AF_IUCV connections are working synchronously it leads to connection hangs. Problems with read, close and select also occured. Using a skb backlog queue is fixing all of these problems . Signed-off-by: Jennifer Hunt <jenhunt@us.ibm.com> Signed-off-by: Frank Pavlic <fpavlic@de.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [AF_IUCV/IUCV]: smp_call_function deadlockMartin Schwidefsky2007-04-281-73/+132
| | | | | | | | | | | | | | | | | | Calling smp_call_function can lead to a deadlock if it is called from tasklet context. Fixing this deadlock requires to move the smp_call_function from the tasklet context to a work queue. To do that queue the path pending interrupts to a separate list and move the path cleanup out of iucv_path_sever to iucv_path_connect and iucv_path_pending. This creates a new requirement for iucv_path_connect: it may not be called from tasklet context anymore. Also fixed compile problem for CONFIG_HOTPLUG_CPU=n and another one when walking the cpu_online mask. When doing this, we must disable cpu hotplug. Signed-off-by: Frank Pavlic <fpavlic@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [AF_IUCV]: Fix compilation on s390-upAlexey Dobriyan2007-04-261-2/+0
| | | | | | | | | | CC [M] net/iucv/iucv.o net/iucv/iucv.c: In function 'iucv_init': net/iucv/iucv.c:1556: error: 'iucv_cpu_notifier' undeclared (first use in this function) Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NET]: cleanup extra semicolonsStephen Hemminger2007-04-251-1/+1
| | | | | | | | | | | Spring cleaning time... There seems to be a lot of places in the network code that have extra bogus semicolons after conditionals. Most commonly is a bogus semicolon after: switch() { } Signed-off-by: Stephen Hemminger <shemminger@linux-foundation.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* [SK_BUFF]: Introduce skb_reset_transport_header(skb)Arnaldo Carvalho de Melo2007-04-251-1/+1
| | | | | | | | | | | | | | | | For the common, open coded 'skb->h.raw = skb->data' operation, so that we can later turn skb->h.raw into a offset, reducing the size of struct sk_buff in 64bit land while possibly keeping it as a pointer on 32bit. This one touches just the most simple cases: skb->h.raw = skb->data; skb->h.raw = {skb_push|[__]skb_pull}() The next ones will handle the slightly more "complex" cases. Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [SK_BUFF]: Introduce skb_reset_network_header(skb)Arnaldo Carvalho de Melo2007-04-251-1/+1
| | | | | | | | | | | | For the common, open coded 'skb->nh.raw = skb->data' operation, so that we can later turn skb->nh.raw into a offset, reducing the size of struct sk_buff in 64bit land while possibly keeping it as a pointer on 32bit. This one touches just the most simple case, next will handle the slightly more "complex" cases. Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [S390]: Add AF_IUCV socket supportJennifer Hunt2007-02-083-0/+1086
| | | | | | | | | | From: Jennifer Hunt <jenhunt@us.ibm.com> This patch adds AF_IUCV socket support. Signed-off-by: Frank Pavlic <fpavlic@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [S390]: Rewrite of the IUCV base code, part 2Martin Schwidefsky2007-02-083-0/+1631
Add rewritten IUCV base code to net/iucv. Signed-off-by: Frank Pavlic <fpavlic@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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