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2011-12-17Bluetooth: Initialize LE connection countGustavo F. Padovan1-0/+1
le_num needs to be set to zero. Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>
2011-12-17Bluetooth: remove lock from struct conn_hashGustavo F. Padovan1-1/+0
It isn't used anywhere. Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>
2011-12-17Bluetooth: remove struct hci_chan_hashGustavo F. Padovan1-31/+2
Only the list member of the struct was used, so we now fold it into hci_conn. Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>
2011-12-16Merge branch 'drm-intel-fixes' of git://people.freedesktop.org/~keithp/linuxLinus Torvalds1-0/+2
* 'drm-intel-fixes' of git://people.freedesktop.org/~keithp/linux: drm/i915/dp: Dither down to 6bpc if it makes the mode fit drm/i915: enable semaphores on per-device defaults drm/i915: don't set unpin_work if vblank_get fails drm/i915: By default, enable RC6 on IVB and SNB when reasonable iommu: Export intel_iommu_enabled to signal when iommu is in use drm/i915/sdvo: Include LVDS panels for the IS_DIGITAL check drm/i915: prevent division by zero when asking for chipset power drm/i915: add PCH info to i915_capabilities drm/i915: set the right SDVO transcoder for CPT drm/i915: no-lvds quirk for ASUS AT5NM10T-I drm/i915: Treat pre-gen4 backlight duty cycle value consistently drm/i915: Hook up Ivybridge eDP drm/i915: add multi-threaded forcewake support
2011-12-16ethtool: Define and apply a default policy for RX flow hash indirectionBen Hutchings1-3/+20
All drivers that support modification of the RX flow hash indirection table initialise it in the same way: RX rings are assigned to table entries in rotation. Make that default policy explicit by having them call a ethtool_rxfh_indir_default() function. In the ethtool core, add support for a zero size value for ETHTOOL_SRXFHINDIR, which resets the table to this default. Partly-suggested-by: Matt Carlson <mcarlson@broadcom.com> Signed-off-by: Ben Hutchings <bhutchings@solarflare.com> Acked-by: Shreyas N Bhatewara <sbhatewara@vmware.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-12-16ethtool: Centralise validation of ETHTOOL_{G, S}RXFHINDIR parametersBen Hutchings1-4/+7
Add a new ethtool operation (get_rxfh_indir_size) to get the indirectional table size. Use this to validate the user buffer size before calling get_rxfh_indir or set_rxfh_indir. Use get_rxnfc to get the number of RX rings, and validate the contents of the new indirection table before calling set_rxfh_indir. Remove this validation from drivers. Signed-off-by: Ben Hutchings <bhutchings@solarflare.com> Acked-by: Dimitris Michailidis <dm@chelsio.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-12-16ethtool: Clarify use of size field for ETHTOOL_GRXFHINDIRBen Hutchings1-2/+3
In order to find out the device's RX flow hash table size, ethtool initially uses ETHTOOL_GRXFHINDIR with a buffer size of zero. This must be supported, but it is not necessary to support any other user buffer size less than the device table size. Signed-off-by: Ben Hutchings <bhutchings@solarflare.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-12-16unix_diag: Receive queue lenght NLAPavel Emelyanov1-0/+2
Signed-off-by: Pavel Emelyanov <xemul@parallels.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-12-16unix_diag: Pending connections IDs NLAPavel Emelyanov1-0/+2
When establishing a unix connection on stream sockets the server end receives an skb with socket in its receive queue. Report who is waiting for these ends to be accepted for listening sockets via NLA. There's a lokcing issue with this -- the unix sk state lock is required to access the peer, and it is taken under the listening sk's queue lock. Strictly speaking the queue lock should be taken inside the state lock, but since in this case these two sockets are different it shouldn't lead to deadlock. Signed-off-by: Pavel Emelyanov <xemul@parallels.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-12-16unix_diag: Unix peer inode NLAPavel Emelyanov1-0/+2
Report the peer socket inode ID as NLA. With this it's finally possible to find out the other end of an interesting unix connection. Signed-off-by: Pavel Emelyanov <xemul@parallels.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-12-16unix_diag: Unix inode info NLAPavel Emelyanov1-0/+7
Actually, the socket path if it's not anonymous doesn't give a clue to which file the socket is bound to. Even if the path is absolute, it can be unlinked and then new socket can be bound to it. With this NLA it's possible to check which file a particular socket is really bound to. Signed-off-by: Pavel Emelyanov <xemul@parallels.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-12-16unix_diag: Unix socket name NLAPavel Emelyanov1-0/+8
Report the sun_path when requested as NLA. With leading '\0' if present but without the leading AF_UNIX bits. Signed-off-by: Pavel Emelyanov <xemul@parallels.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-12-16unix_diag: Basic module skeletonPavel Emelyanov1-0/+24
Includes basic module_init/_exit functionality, dump/get_exact stubs and declares the basic API structures for request and response. Signed-off-by: Pavel Emelyanov <xemul@parallels.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-12-16af_unix: Export stuff required for diag modulePavel Emelyanov1-0/+3
Signed-off-by: Pavel Emelyanov <xemul@parallels.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-12-16sock_diag: Generalize requests cookies managementsPavel Emelyanov2-1/+3
The sk address is used as a cookie between dump/get_exact calls. It will be required for unix socket sdumping, so move it from inet_diag to sock_diag. Signed-off-by: Pavel Emelyanov <xemul@parallels.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-12-16sock_diag: Move the SOCK_DIAG_BY_FAMILY cmd declarationPavel Emelyanov2-1/+3
It should belong to sock_diag, not inet_diag. Signed-off-by: Pavel Emelyanov <xemul@parallels.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-12-16xen: Add xenbus_backend deviceBastian Blank1-0/+41
Access for xenstored to the event channel and pre-allocated ring is managed via xenfs. This adds its own character device featuring mmap for the ring and an ioctl for the event channel. Signed-off-by: Bastian Blank <waldi@debian.org> Acked-by: Ian Campbell <ian.campbell@citrix.com> Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
2011-12-16Merge branch 'for-linus' of git://git.kernel.dk/linux-blockLinus Torvalds1-3/+0
* 'for-linus' of git://git.kernel.dk/linux-block: block: don't kick empty queue in blk_drain_queue() block/swim3: Locking fixes loop: Fix discard_alignment default setting cfq-iosched: fix cfq_cic_link() race confition cfq-iosched: free cic_index if blkio_alloc_blkg_stats fails cciss: fix flush cache transfer length cciss: Add IRQF_SHARED back in for the non-MSI(X) interrupt handler loop: fix loop block driver discard and encryption comment block: initialize request_queue's numa node during
2011-12-16iommu: Export intel_iommu_enabled to signal when iommu is in useEugeni Dodonov1-0/+2
In i915 driver, we do not enable either rc6 or semaphores on SNB when dmar is enabled. The new 'intel_iommu_enabled' variable signals when the iommu code is in operation. Cc: Ted Phelps <phelps@gnusto.com> Cc: Peter <pab1612@gmail.com> Cc: Lukas Hejtmanek <xhejtman@fi.muni.cz> Cc: Andrew Lutomirski <luto@mit.edu> CC: Daniel Vetter <daniel.vetter@ffwll.ch> Cc: Eugeni Dodonov <eugeni.dodonov@intel.com> Signed-off-by: Keith Packard <keithp@keithp.com>
2011-12-16xen/granttable: Support transitive grantsAnnie Li1-0/+12
These allow a domain A which has been granted access on a page of domain B's memory to issue domain C with a copy-grant on the same page. This is useful e.g. for forwarding packets between domains. Signed-off-by: Annie Li <annie.li@oracle.com> Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
2011-12-16xen/granttable: Support sub-page grantsAnnie Li1-0/+13
- They can't be used to map the page (so can only be used in a GNTTABOP_copy hypercall). - It's possible to grant access with a finer granularity than whole pages. - Xen guarantees that they can be revoked quickly (a normal map grant can only be revoked with the cooperation of the domain which has been granted access). Signed-off-by: Annie Li <annie.li@oracle.com> Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
2011-12-16cfg80211: allow following country IE power for custom regdom cardsLuis R. Rodriguez1-1/+3
By definition WIPHY_FLAG_STRICT_REGULATORY was intended to allow the wiphy to adjust itself to the country IE power information if the card had no regulatory data but we had no way to tell cfg80211 that if the card also had its own custom regulatory domain (these are typically custom world regulatory domains) that we want to follow the country IE's noted values for power for each channel. We add support for this and document it. This is not a critical fix but a performance optimization for cards with custom regulatory domains that associate to an AP with sends out country IEs with a higher EIRP than the one on the custom regulatory domain. In practice the only driver affected right now are the Atheros drivers as they are the only drivers using both WIPHY_FLAG_STRICT_REGULATORY and WIPHY_FLAG_CUSTOM_REGULATORY -- used on cards that have an Atheros world regulatory domain. Cards that have been programmed to follow a country specifically will not follow the country IE power. So although not a stable fix distributions should consider cherry picking this. Cc: compat@orbit-lab.org Cc: Paul Stewart <pstew@google.com> Cc: Rajkumar Manoharan <rmanohar@qca.qualcomm.com> Cc: Senthilkumar Balasubramanian <senthilb@qca.qualcomm.com> Reported-by: Rajkumar Manoharan <rmanohar@qca.qualcomm.com> Signed-off-by: Luis R. Rodriguez <mcgrof@qca.qualcomm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-12-16Merge branch 'davinci/cleanup' into next/cleanupArnd Bergmann1-0/+71
2011-12-16target: Set additional sense length field in sense dataRoland Dreier1-0/+1
The target code was not setting the additional sense length field in the sense data it returned, which meant that at least the Linux stack ignored the ASC/ASCQ fields. For example, without this patch, on a tcm_loop device: # sg_raw -v /dev/sda 2 0 0 0 0 0 gives cdb to send: 02 00 00 00 00 00 SCSI Status: Check Condition Sense Information: Fixed format, current; Sense key: Illegal Request Raw sense data (in hex): 70 00 05 00 00 00 00 00 while after the patch we correctly get the following (which matches what a regular disk returns): cdb to send: 02 00 00 00 00 00 SCSI Status: Check Condition Sense Information: Fixed format, current; Sense key: Illegal Request Additional sense: Invalid command operation code Raw sense data (in hex): 70 00 05 00 00 00 00 0a 00 00 00 00 20 00 00 00 00 00 Signed-off-by: Roland Dreier <roland@purestorage.com> Cc: stable@kernel.org Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
2011-12-16Merge branch 'at91/defconfig' into next/cleanupOlof Johansson29-217/+223
2011-12-15cfg80211: validate nl80211 station handling betterJohannes Berg2-2/+11
The nl80211 station handling code is a bit messy and doesn't do a lot of validation. It seems like this could be an issue for drivers that don't use mac80211 to validate everything. As cfg80211 doesn't keep station state, move the validation of allowing supported_rates to change for TDLS only in station mode to mac80211. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-12-15Move limit definitions outside CONFIG_INETGlauber Costa1-1/+1
They need to be available for other protocols as well, since they are used in sock.c openly Signed-off-by: Glauber Costa <glommer@parallels.com> CC: Hiroyouki Kamezawa <kamezawa.hiroyu@jp.fujitsu.com> CC: David S. Miller <davem@davemloft.net> CC: Eric Dumazet <eric.dumazet@gmail.com> CC: Stephen Rothwell <sfr@canb.auug.org.au> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-12-15[S390] cputime: add sparse checking and cleanupMartin Schwidefsky2-36/+30
Make cputime_t and cputime64_t nocast to enable sparse checking to detect incorrect use of cputime. Drop the cputime macros for simple scalar operations. The conversion macros are still needed. Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
2011-12-15iommu/amd: Add invalidate-context call-backJoerg Roedel1-0/+17
This call-back is invoked when the task that is bound to a pasid is about to exit. The driver can use it to shutdown all context related to that context in a safe way. Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
2011-12-15iommu/amd: Add amd_iommu_device_info() functionJoerg Roedel1-0/+26
This function can be used to find out which features necessary for IOMMUv2 usage are available on a given device. Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
2011-12-15Merge remote-tracking branch 'pci/pri-changes' into x86/amdJoerg Roedel5-18/+28
2011-12-15sched: Mark parent and real_parent as __rcuKees Cook1-2/+2
The parent and real_parent pointers should be considered __rcu, since they should be held under either tasklist_lock or rcu_read_lock. Signed-off-by: Kees Cook <keescook@chromium.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Paul E. McKenney <paulmck@linux.vnet.ibm.com> Cc: Al Viro <viro@zeniv.linux.org.uk> Link: http://lkml.kernel.org/r/20111214223925.GA27578@www.outflux.net Signed-off-by: Ingo Molnar <mingo@elte.hu>
2011-12-15Merge commit 'v3.2-rc5' into sched/coreIngo Molnar54-263/+286
Merge reason: Pick up the latest fixes. Signed-off-by: Ingo Molnar <mingo@elte.hu>
2011-12-15[SCSI] fcoe: fix fcoe in a DCB environment by adding DCB notifiers to set ↵john fastabend1-0/+3
skb priority Use DCB notifiers to set the skb priority to allow packets to be steered and tagged correctly over DCB enabled drivers that setup traffic classes. This allows queue_mapping() routines to be removed in these drivers that were previously inspecting the ethertype of every skb to mark FCoE/FIP frames. Signed-off-by: John Fastabend <john.r.fastabend@intel.com> Signed-off-by: Robert Love <robert.w.love@intel.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
2011-12-15[SCSI] iscsi class: export pid of process that createdMike Christie1-0/+5
There could be multiple userspace entities creating/destroying/ recoverying sessions and also the kernel's iscsi drivers could be doing this too. If the userspace apps do try to manage the kernel ones it can get the driver/fw out of sync and cause the user to loose the root disk, oopses or ping ponging becasue userspace wants to do one thing but the kernel manager thought we are trying to do another. This patch fixes the problem by just exporting the pid of the entity that created the session. Userspace programs like iscsid, iscsiadm, iscsistart, qlogic's tools, etc, can then figure out which sessions they own and only manage them. Signed-off-by: Mike Christie <michaelc@cs.wisc.edu> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
2011-12-15[SCSI] scsi_dh: code cleanup and remove the references to scsi_dev_infoMoger, Babu1-1/+0
All the handlers have now implemented the match function so We don't need to use scsi_dev_info any more for matching purposes. Signed-off-by: Babu Moger <babu.moger@netapp.com> Acked-by: Hannes Reinecke <hare@suse.de> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
2011-12-15mfd: Declare da9052_regmap_config for the bus driversMark Brown1-0/+2
Fixes build failures. Reported-by: Stephen Rothwell <sfr@canb.auug.org.au> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
2011-12-15xen-balloon: convert sysdev_class to a regular subsystemKay Sievers1-3/+3
After all sysdev classes are ported to regular driver core entities, the sysdev implementation will be entirely removed from the kernel. Cc: Jeremy Fitzhardinge <jeremy@goop.org> Cc: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> Signed-off-by: Kay Sievers <kay.sievers@vrfy.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2011-12-15edac: convert sysdev_class to a regular subsystemKay Sievers1-4/+4
After all sysdev classes are ported to regular driver core entities, the sysdev implementation will be entirely removed from the kernel. Cc: Doug Thompson <dougthompson@xmission.com> Cc: Paul Gortmaker <paul.gortmaker@windriver.com> Cc: Lucas De Marchi <lucas.demarchi@profusion.mobi> Cc: Borislav Petkov <borislav.petkov@amd.com> Signed-off-by: Kay Sievers <kay.sievers@vrfy.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2011-12-15driver-core: implement 'sysdev' functionality for regular devices and busesKay Sievers1-4/+74
All sysdev classes and sysdev devices will converted to regular devices and buses to properly hook userspace into the event processing. There is no interesting difference between a 'sysdev' and 'device' which would justify to roll an entire own subsystem with different userspace export semantics. Userspace relies on events and generic sysfs subsystem infrastructure from sysdev devices, which are currently not properly available. Every converted sysdev class will create a regular device with the class name in /sys/devices/system and all registered devices will becom a children of theses devices. For compatibility reasons, the sysdev class-wide attributes are created at this parent device. (Do not copy that logic for anything new, subsystem- wide properties belong to the subsystem, not to some fake parent device created in /sys/devices.) Every sysdev driver is implemented as a simple subsystem interface now, and no longer called a driver. After all sysdev classes are ported to regular driver core entities, the sysdev implementation will be entirely removed from the kernel. Signed-off-by: Kay Sievers <kay.sievers@vrfy.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2011-12-14NFC: Initial LLCP supportSamuel Ortiz1-1/+14
This patch is an initial implementation for the NFC Logical Link Control protocol. It's also known as NFC peer to peer mode. This is a basic implementation as it lacks SDP (services Discovery Protocol), frames aggregation support, and frame rejecion parsing. Follow up patches will implement those missing features. This code has been tested against a Nexus S phone implementing LLCP 1.0. Signed-off-by: Samuel Ortiz <sameo@linux.intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-12-14NFC: Set and get DEP general bytesSamuel Ortiz1-0/+5
Without an API for setting and getting the local and remote general bytes, drivers won't be able to properly establish a DEP link. This API also allows them to propagate the remote general bytes they get from the DEP link establishment up to the LLCP layer. Signed-off-by: Samuel Ortiz <sameo@linux.intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-12-14NFC: Add a DEP link control netlink commandSamuel Ortiz2-0/+25
NFC-DEP (Data Exchange Protocol) is an NFC MAC layer. This command allows to enable and disable the DEP link on to which e.g. LLCP can run. Signed-off-by: Samuel Ortiz <sameo@linux.intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-12-14NFC: Add tx skb allocation routineSamuel Ortiz1-1/+4
This is a factorization of the current rawsock tx skb allocation routine, as it will be used by the LLCP code. We also rename nfc_alloc_skb to nfc_alloc_recv_skb for consistency sake. Signed-off-by: Samuel Ortiz <sameo@linux.intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-12-14kref: fix up the kfree build problemsGreg Kroah-Hartman1-5/+10
It turns out that some memory allocators use kobjects, which use krefs, and kref.h was wanting to figure out the address of kfree(), which ended up in a loop. kfree was only being needed for a warning to tell the caller that they were doing something stupid. Now we just move that warning into the comments for the functions, which results in a bit more fun as everyone enjoys digging for people to mock at times of boredom. So, remove the dependancy of slab.h on kref.h, and fix up the other include file as well (we really only need bug.h and atomic.h, not types.h). Reported-by: Stephen Rothwell <sfr@canb.auug.org.au> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Alexey Dobriyan <adobriyan@gmail.com> Cc: Eric Dumazet <eric.dumazet@gmail.com> Cc: Ingo Molnar <mingo@elte.hu> Cc: Oliver Neukum <oneukum@suse.de> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2011-12-14inet: remove rcu protection on tw_netEric Dumazet1-10/+2
commit b099ce2602d806 (net: Batch inet_twsk_purge) added rcu protection on tw_net for no obvious reason. struct net are refcounted anyway since timewait sockets escape from rcu protected sections. tw_net stay valid for the whole timwait lifetime. This also removes a lot of sparse errors. Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> CC: Eric W. Biederman <ebiederm@xmission.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-12-14drm/radeon/kms: add some new pci idsAlex Deucher1-0/+10
Fixes: https://bugs.freedesktop.org/show_bug.cgi?id=43739 Signed-off-by: Alex Deucher <alexander.deucher@amd.com> Cc: stable@kernel.org Signed-off-by: Dave Airlie <airlied@redhat.com>
2011-12-14Merge branch 'mfd/da9052' of ↵Mark Brown64-266/+1308
git://git.kernel.org/pub/scm/linux/kernel/git/broonie/misc into regmap-next
2011-12-14MFD: DA9052/53 MFD core moduleAshish Jangam3-0/+918
The DA9052/53 is a highly integrated PMIC subsystem with supply domain flexibility to support wide range of high performance application. It provides voltage regulators, GPIO controller, Touch Screen, RTC, Battery control and other functionality. This patch is functionally tested on Samsung SMDKV6410. Signed-off-by: David Dajun Chen <dchen@diasemi.com> Signed-off-by: Ashish Jangam <ashish.jangam@kpitcummins.com> Acked-by: Samuel Ortiz <sameo@linux.intel.com> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
2011-12-14Merge branch 'iommu/page-sizes' into x86/amdJoerg Roedel1-6/+20
Conflicts: drivers/iommu/amd_iommu.c
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