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2009-09-04sctp: Sysctl configuration for IPv4 Address ScopingBhaskar Dutta
This patch introduces a new sysctl option to make IPv4 Address Scoping configurable <draft-stewart-tsvwg-sctp-ipv4-00.txt>. In networking environments where DNAT rules in iptables prerouting chains convert destination IP's to link-local/private IP addresses, SCTP connections fail to establish as the INIT chunk is dropped by the kernel due to address scope match failure. For example to support overlapping IP addresses (same IP address with different vlan id) a Layer-5 application listens on link local IP's, and there is a DNAT rule that maps the destination IP to a link local IP. Such applications never get the SCTP INIT if the address-scoping draft is strictly followed. This sysctl configuration allows SCTP to function in such unconventional networking environments. Sysctl options: 0 - Disable IPv4 address scoping draft altogether 1 - Enable IPv4 address scoping (default, current behavior) 2 - Enable address scoping but allow IPv4 private addresses in init/init-ack 3 - Enable address scoping but allow IPv4 link local address in init/init-ack Signed-off-by: Bhaskar Dutta <bhaskar.dutta@globallogic.com> Signed-off-by: Vlad Yasevich <vladislav.yasevich@hp.com>
2009-09-01RTO connection timeout: sysctl documentation updateDamian Lukowski
This patch updates the sysctl documentation concerning the interpretation of tcp_retries{1,2} and tcp_orphan_retries. Signed-off-by: Damian Lukowski <damian@tvk.rwth-aachen.de> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-08-30Merge branch 'master' of ↵David S. Miller
git://git.kernel.org/pub/scm/linux/kernel/git/holtmann/bluetooth-next-2.6
2009-08-22Bluetooth: Add documentation for Marvell Bluetooth driverBing Zhao
add btmrvl.txt to Documentation/ This patch incorporates a lot of comments given by Nicolas Pitre <nico@marvell.com>. Many thanks to Nicolas Pitre. Signed-off-by: Rahul Tank <rahult@marvell.com> Signed-off-by: Bing Zhao <bzhao@marvell.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2009-08-19ieee802154: document the skb->cb usage clearly.Dmitry Eremin-Solenikov
Signed-off-by: Dmitry Eremin-Solenikov <dbaryshkov@gmail.com>
2009-08-12documentation: fix wrt. headers renameDmitry Baryshkov
Signed-off-by: Dmitry Eremin-Solenikov <dbaryshkov@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-08-12Merge branch 'master' of ↵David S. Miller
master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6 Conflicts: arch/microblaze/include/asm/socket.h
2009-08-09Merge branch 'core-fixes-for-linus-2' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip * 'core-fixes-for-linus-2' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: lockdep: Fix typos in documentation lockdep: Fix file mode of lock_stat rtmutex: Avoid deadlock in rt_mutex_start_proxy_lock()
2009-08-07Merge master.kernel.org:/home/rmk/linux-2.6-armLinus Torvalds
* master.kernel.org:/home/rmk/linux-2.6-arm: (30 commits) ARM: 5639/1: arm: clkdev.c should include <linux/clk.h> ARM: 5638/1: arch/arm/kernel/signal.c: use correct address space for CRUNCH ARM: 5637/1: [KS8695] Don't reference CLOCK_TICK_RATE in drivers ARM: S3C64XX: serial: Fix section mismatch warning ARM: S3C24XX: serial: Fix section mismatch warnings ARM: S3C: PWM fix for low duty cycle ARM: 5597/1: [PCI] reset all internal hardware prior PCI initialization ARM: 5627/1: Fix restoring of lr at the end of mcount ARM: 5624/1: Document cache aliasing region S3C64XX: Fix ARMCLK configuration S3C64XX: Fix get_rate() for ARMCLK S3C24XX: GPIO: Fix pin range check in s3c_gpiolib_getchip mx3 defconfig update mx27 defconfig update ARM: 5623/1: Treo680: ir shutdown typo fix ARM: includecheck fix: plat-stmp3xxx/pinmux.c ARM: includecheck fix: plat-s3c64xx/pm.c ARM: includecheck fix: mach-omap2/mcbsp.c ARM: includecheck fix: mach-omap1/mcbsp.c ARM: includecheck fix: board-sffsdr.c ...
2009-08-07lockdep: Fix typos in documentationLi Zefan
s/head/held Signed-off-by: Li Zefan <lizf@cn.fujitsu.com> Cc: Peter Zijlstra <peterz@infradead.org> LKML-Reference: <4A7BD37E.9060806@cn.fujitsu.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2009-08-04Merge branch 'for-linus' of git://git.kernel.dk/linux-2.6-blockLinus Torvalds
* 'for-linus' of git://git.kernel.dk/linux-2.6-block: Make SCSI SG v4 driver enabled by default and remove EXPERIMENTAL dependency, since udev depends on BSG block: Update topology documentation block: Stack optimal I/O size block: Add a wrapper for setting minimum request size without a queue block: Make blk_queue_stack_limits use the new stacking interface
2009-08-04Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6Linus Torvalds
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6: (47 commits) ehea: Fix napi list corruption on ifconfig down igbvf: Allow VF driver to correctly recognize failure to set mac 3c59x: Fix build failure with gcc 3.2 sky2: Avoid transmits during sky2_down() iwlagn: do not send key clear commands when rfkill enabled libertas: Read buffer overflow drivers/net/wireless: introduce missing kfree drivers/net/wireless/iwlwifi: introduce missing kfree zd1211rw: fix unaligned access in zd_mac_rx cfg80211: fix regression on beacon world roaming feature cfg80211: add two missing NULL pointer checks ixgbe: Patch to modify 82598 PCIe completion timeout values bluetooth: rfcomm_init bug fix mlx4_en: Fix double pci unmapping. mISDN: Fix handling of receive buffer size in L1oIP pcnet32: VLB support fixes pcnet32: remove superfluous NULL pointer check in pcnet32_probe1() net: restore the original spinlock to protect unicast list netxen: fix coherent dma mask setting mISDN: Read buffer overflow ...
2009-08-01thinkpad-acpi: remove dock and bay subdriversHenrique de Moraes Holschuh
The standard ACPI dock driver can handle the hotplug bays and docks of the ThinkPads just fine (including batteries) as of 2.6.27, and the code in thinkpad-acpi for the dock and bay subdrivers is currently broken anyway... Userspace needs some love to support the two-stage ejection nicely, but it is simple enough to do through udev rules (you don't even need HAL) so this wouldn't justify fixing the dock and bay subdrivers, either. That leaves warm-swap bays (_EJ3) support for thinkpad-acpi, as well as support for the weird dock of the model 570, but since such support has never left the "experimental" stage, it is also not a strong enough reason to find a way to fix this code. Users of ThinkPads with warm-swap bays are urged to request that _EJ3 support be added to the regular ACPI dock driver, if such feature is indeed useful for them. Signed-off-by: Henrique de Moraes Holschuh <hmh@hmh.eng.br> Signed-off-by: Len Brown <len.brown@intel.com>
2009-08-01block: Update topology documentationMartin K. Petersen
Update topology comments and sysfs documentation based upon discussions with Neil Brown. Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com> Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
2009-07-30Merge branch 'master' of ↵David S. Miller
master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6 Conflicts: drivers/net/wireless/iwlwifi/iwl-3945.h drivers/net/wireless/iwlwifi/iwl-tx.c drivers/net/wireless/iwlwifi/iwl3945-base.c
2009-07-30docbook: fix printk of ip addressTobias Klauser
Use the %pI4 format string instead of %d.%d.%d.%d and NIPQUAD. Signed-off-by: Tobias Klauser <tklauser@distanz.ch> Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-07-30Merge branch 's3c-fixes-rc4' of git://aeryn.fluff.org.uk/bjdooks/linuxRussell King
2009-07-30ARM: 5624/1: Document cache aliasing regionLinus Walleij
Augment the memory.txt file for ARM to list the cache aliasing region ffff4000-fffffff. Signed-off-by: Linus Walleij <linus.walleij@stericsson.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2009-07-30lguest and virtio: cleanup struct definitions to Linux style.Rusty Russell
I've been doing this for years, and akpm picked me up on it about 12 months ago. lguest partly serves as example code, so let's do it Right. Also, remove two unused fields in struct vblk_info in the example launcher. Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> Cc: Ingo Molnar <mingo@redhat.com>
2009-07-30lguest: update commentryRusty Russell
Every so often, after code shuffles, I need to go through and unbitrot the Lguest Journey (see drivers/lguest/README). Since we now use RCU in a simple form in one place I took the opportunity to expand that explanation. Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> Cc: Ingo Molnar <mingo@redhat.com> Cc: Paul McKenney <paulmck@linux.vnet.ibm.com>
2009-07-30lguest: fix comment styleRusty Russell
I don't really notice it (except to begrudge the extra vertical space), but Ingo does. And he pointed out that one excuse of lguest is as a teaching tool, it should set a good example. Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> Cc: Ingo Molnar <mingo@redhat.com>
2009-07-30lguest: fix descriptor corruption in example launcherRusty Russell
1d589bb16b825b3a7b4edd34d997f1f1f953033d "Add serial number support for virtio_blk, V4a" extended 'struct virtio_blk_config' to 536 bytes. Lguest and S/390 both use an 8 bit value for the feature length, and this change broke them (if the code is naive). Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> Cc: John Cooper <john.cooper@redhat.com> Cc: Christian Borntraeger <borntraeger@de.ibm.com>
2009-07-29sysrq, kdump: make sysrq-c consistentHidetoshi Seto
commit d6580a9f15238b87e618310c862231ae3f352d2d ("kexec: sysrq: simplify sysrq-c handler") changed the behavior of sysrq-c to unconditional dereference of NULL pointer. So in cases with CONFIG_KEXEC, where crash_kexec() was directly called from sysrq-c before, now it can be said that a step of "real oops" was inserted before starting kdump. However, in contrast to oops via SysRq-c from keyboard which results in panic due to in_interrupt(), oops via "echo c > /proc/sysrq-trigger" will not become panic unless panic_on_oops=1. It means that even if dump is properly configured to be taken on panic, the sysrq-c from proc interface might not start crashdump while the sysrq-c from keyboard can start crashdump. This confuses traditional users of kdump, i.e. people who expect sysrq-c to do common behavior in both of the keyboard and proc interface. This patch brings the keyboard and proc interface behavior of sysrq-c in line, by forcing panic_on_oops=1 before oops in sysrq-c handler. And some updates in documentation are included, to clarify that there is no longer dependency with CONFIG_KEXEC, and that now the system can just crash by sysrq-c if no dump mechanism is configured. Signed-off-by: Hidetoshi Seto <seto.hidetoshi@jp.fujitsu.com> Cc: Lai Jiangshan <laijs@cn.fujitsu.com> Cc: Ken'ichi Ohmichi <oomichi@mxs.nes.nec.co.jp> Acked-by: Neil Horman <nhorman@tuxdriver.com> Acked-by: Vivek Goyal <vgoyal@redhat.com> Cc: Brayan Arraes <brayan@yack.com.br> Cc: Eric W. Biederman <ebiederm@xmission.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-07-28driver core: documentation: make it clear that sysfs is optionalLucian Adrian Grijincu
The original text suggested that sysfs is mandatory and always compiled in the kernel. Signed-off-by: Lucian Adrian Grijincu <lgrijincu@ixiacom.com> Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2009-07-27Merge branch 'for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6 * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6: ALSA: hda - Fix mute control with some ALC262 models ALSA: snd_usb_caiaq: add support for Audio2DJ ALSA: pcm - Fix hwptr buffer-size overlap bug ALSA: pcm - Fix warnings in debug loggings ALSA: pcm - Add logging of hwptr updates and interrupt updates ASoC: tlv320aic3x: Enable PLL when not bypassed ALSA: hda - Restore GPIO1 properly at resume with AD1984A ALSA: ctxfi - Fix uninitialized error checks ALSA: hda - Use snprintf() to be safer ALSA: usb-audio - Volume control quirk for QuickCam E 3500 ALSA: pcm - Fix regressions with VMware
2009-07-27Merge branch 'for-linus' of ↵David S. Miller
git://git.kernel.org/pub/scm/linux/kernel/git/lowpan/lowpan
2009-07-27trivial: fix typo in ieee802154 documentation and add it to indexThadeu Lima de Souza Cascardo
Signed-off-by: Thadeu Lima de Souza Cascardo <cascardo@holoscopio.com>
2009-07-26Merge branch 'fix/pcm-hwptr' into for-linusTakashi Iwai
* fix/pcm-hwptr: ALSA: pcm - Fix hwptr buffer-size overlap bug ALSA: pcm - Fix warnings in debug loggings ALSA: pcm - Add logging of hwptr updates and interrupt updates ALSA: pcm - Fix regressions with VMware
2009-07-24V4L/DVB (12283): gspca - sn9c20x: New subdriver for sn9c201 and sn9c202 bridges.Brian Johnson
Signed-off-by: Brian Johnson <brijohn@gmail.com> Signed-off-by: Jean-Francois Moine <moinejf@free.fr> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2009-07-24V4L/DVB (12235): em28xx: detects sensors also with the generic em2750/2750 entryMauro Carvalho Chehab
Webcams in general don't have eeprom. So, the sensor hint code should be called to properly detect what sensor is inside. Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2009-07-23Merge branch 'master' of ↵David S. Miller
master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6 Conflicts: drivers/net/wireless/iwmc3200wifi/netdev.c net/wireless/scan.c
2009-07-23ALSA: pcm - Add logging of hwptr updates and interrupt updatesTakashi Iwai
Added the logging functionality to xrun_debug to record the hwptr updates via snd_pcm_update_hw_ptr() and snd_pcm_update_hwptr_interrupt(), corresponding to 16 and 8, respectively. For example, # echo 9 > /proc/asound/card0/pcm0p/xrun_debug will record the position and other parameters at each period interrupt together with the normal XRUN debugging. Signed-off-by: Takashi Iwai <tiwai@suse.de>
2009-07-22Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6Linus Torvalds
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6: (37 commits) sky2: Avoid races in sky2_down drivers/net/mlx4: Adjust constant drivers/net: Move a dereference below a NULL test drivers/net: Move a dereference below a NULL test connector: maintainer/mail update. USB host CDC Phonet network interface driver macsonic, jazzsonic: fix oops on module unload macsonic: move probe function to .devinit.text can: switch carrier on if device was stopped while in bus-off state can: restart device even if dev_alloc_skb() fails can: sja1000: remove duplicated includes New device ID for sc92031 [1088:2031] 3c589_cs: re-initialize the multicast in the tc589_reset Fix error return for setsockopt(SO_TIMESTAMPING) netxen: fix thermal check and shutdown netxen: fix deadlock on dev close netxen: fix context deletion sequence net: Micrel KS8851 SPI network driver tcp: Use correct peer adr when copying MD5 keys tcp: Fix MD5 signature checking on IPv4 mapped sockets ...
2009-07-21connector: maintainer/mail update.Evgeniy Polyakov
Signed-off-by: Evgeniy Polyakov <zbr@ioremap.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-07-17connector: get test code working by defaultMike Frysinger
The connector test code currently does not work out of the box. This is because it uses a connector id that is above the registered limit. So rather than force people to stumble through undocumented code wondering why it isn't working, have the test code use one of the "private" ids by default. While I'm in here, clean up the code (kernel and user app) so that it's a bit more user friendly and verbose in significant things that it does. Terse test code wastes people time as they simply enumerate it with all the same kind of debug messages to get a better feel of what code is running at any time. Signed-off-by: Mike Frysinger <vapier@gentoo.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-07-17connector: clean up grammar/style in documentationMike Frysinger
The grammar in most of this file is slightly off, and some sections are hard to read due to lack of visual clues breaking up related material. Signed-off-by: Mike Frysinger <vapier@gentoo.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-07-17connector: make callback argument type explicitMike Frysinger
The connector documentation states that the argument to the callback function is always a pointer to a struct cn_msg, but rather than encode it in the API itself, it uses a void pointer everywhere. This doesn't make much sense to encode the pointer in documentation as it prevents proper C type checking from occurring and can easily allow people to use the wrong pointer type. So convert the argument type to an explicit struct cn_msg pointer. Signed-off-by: Mike Frysinger <vapier@gentoo.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-07-17Update Andreas Koensgen's email addressRalf Baechle
The kernel has used a stale email address of Andreas for a few years. Signed-off-by: Ralf Baechle <ralf@linux-mips.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-07-16Merge branch 'master' of ↵David S. Miller
master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6 Conflicts: drivers/net/wireless/orinoco/main.c
2009-07-16Merge branch 'master' of ↵David S. Miller
git://git.kernel.org/pub/scm/linux/kernel/git/kaber/nf-2.6
2009-07-16Merge branch 'sched-fixes-for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/peterz/linux-2.6-sched * 'sched-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/peterz/linux-2.6-sched: sched: Fix bug in SCHED_IDLE interaction with group scheduling sched: Fix rt_rq->pushable_tasks initialization in init_rt_rq() sched: Reset sched stats on fork() sched_rt: Fix overload bug on rt group scheduling sched: Documentation/sched-rt-group: Fix style issues & bump version
2009-07-16netfilter: nf_conntrack: nf_conntrack_alloc() fixesEric Dumazet
When a slab cache uses SLAB_DESTROY_BY_RCU, we must be careful when allocating objects, since slab allocator could give a freed object still used by lockless readers. In particular, nf_conntrack RCU lookups rely on ct->tuplehash[xxx].hnnode.next being always valid (ie containing a valid 'nulls' value, or a valid pointer to next object in hash chain.) kmem_cache_zalloc() setups object with NULL values, but a NULL value is not valid for ct->tuplehash[xxx].hnnode.next. Fix is to call kmem_cache_alloc() and do the zeroing ourself. As spotted by Patrick, we also need to make sure lookup keys are committed to memory before setting refcount to 1, or a lockless reader could get a reference on the old version of the object. Its key re-check could then pass the barrier. Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: Patrick McHardy <kaber@trash.net>
2009-07-12driver model: fix show/store prototypes in doc.vibi sreenivasan
FIX prototypes for show & store method in struct driver_attribute Signed-off-by: vibi sreenivasan <vibi_sreenivasan@cms.com> Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2009-07-10Doc: move Documentation/exception.txt into x86 subdirAmerigo Wang
exception.txt only explains the code on x86, so it's better to move it into Documentation/x86 directory. And also rename it to exception-tables.txt which looks much more reasonable. This patch is on top of the previous one. Signed-off-by: WANG Cong <amwang@redhat.com> Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-07-10Doc: update Documentation/exception.txtAmerigo Wang
Update Documentation/exception.txt. Remove trailing whitespaces in it. Signed-off-by: WANG Cong <amwang@redhat.com> Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-07-10Merge branch 'core-fixes-for-linus-2' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip * 'core-fixes-for-linus-2' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: dma-debug: Fix the overlap() function to be correct and readable oprofile: reset bt_lost_no_mapping with other stats x86/oprofile: rename kernel parameter for architectural perfmon to arch_perfmon signals: declare sys_rt_tgsigqueueinfo in syscalls.h rcu: Mark Hierarchical RCU no longer experimental dma-debug: Put all hash-chain locks into the same lock class dma-debug: fix off-by-one error in overlap function
2009-07-09Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6Linus Torvalds
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6: (29 commits) cxgb3: Fix crash caused by stashing wrong netdev_queue ixgbe: Fix coexistence of FCoE and Flow Director in 82599 memory barrier: adding smp_mb__after_lock net: adding memory barrier to the poll and receive callbacks netpoll: Fix carrier detection for drivers that are using phylib includecheck fix: include/linux, rfkill.h p54: tx refused but queue active Atheros Kconfig needs to be dependent on WLAN_80211 mac80211: fix docbook mac80211_hwsim: avoid NULL access ssb: Add support for 4318E b43: Add support for 4318E zd1211rw: adding SONY IFU-WLM2 (054c:0257) as a zd1211b device zd1211rw: 07b8:6001 is a ZD1211B r6040: bump driver version to 0.24 and date to 08 July 2009 r6040: restore MIER register correctly when IRQ line is shared ipv4: Fix fib_trie rebalancing, part 4 (root thresholds) davinci_emac: fix kernel oops when changing MAC address while interface is down igb: set lan id prior to configuring phy mac80211: minstrel: avoid accessing negative indices in rix_to_ndx() ...
2009-07-10x86/oprofile: rename kernel parameter for architectural perfmon to arch_perfmonRobert Richter
The short name of the achitecture is 'arch_perfmon'. This patch changes the kernel parameter to use this name. Cc: Andi Kleen <andi@firstfloor.org> Signed-off-by: Robert Richter <robert.richter@amd.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2009-07-09Merge branch 'master' of ↵David S. Miller
master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6
2009-07-08mac80211: fix docbookJohannes Berg
These two functions no longer exist in mac80211, so trying to insert them generates warnings in the document. Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>