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2013-10-28mac80211: process mesh channel switching using beaconChun-Yeow Yeoh
Trigger the mesh channel switching procedure if the mesh STA happens to miss the CSA action frame but able to receive the beacon containing the CSA and MCSP elements from its peer mesh STAs. Signed-off-by: Chun-Yeow Yeoh <yeohchunyeow@cozybit.com> [fix locking in ieee80211_mesh_process_chnswitch()] Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2013-10-28{nl,cfg,mac}80211: implement mesh channel switch userspace APIChun-Yeow Yeoh
Implement the required procedures for mesh channel switching as defined in the IEEE Std 802.11-2012 section 10.9.8.4.3 and also handle the CSA and MCSP elements as followed: * Add the function for updating the beacon and probe response frames with CSA and MCSP elements during the period of switching to the new channel. Both CSA and MCSP elements must be included in beacon and probe response frames until the intended channel switch time. * The ifmsh->csa_settings is set to NULL and the CSA and MCSP elements will then be removed from the beacon or probe response frames once the new channel is switched to. Signed-off-by: Chun-Yeow Yeoh <yeohchunyeow@cozybit.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2013-10-28{nl,cfg,mac}80211: enable the triggering of CSA frame in meshChun-Yeow Yeoh
Allow the triggering of CSA frame using mesh interface. The rules are more or less same with IBSS, such as not allowed to change between the band and channel width has to be same from the previous mode. Also, move the ieee80211_send_action_csa to a common space so that it can be re-used by mesh interface. Signed-off-by: Chun-Yeow Yeoh <yeohchunyeow@cozybit.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2013-10-28mac80211: process the CSA frame for mesh accordinglyChun-Yeow Yeoh
Process the CSA frame according to the procedures define in IEEE Std 802.11-2012 section 10.9.8.4.3 as follow: * The mesh channel switch parameters element (MCSP) must be availabe. * If the MCSP's TTL is 1, drop the frame but still process the CSA. * If the MCSP's precedence value is less than or equal to the current precedence value, drop the frame and do not process the CSA. * The CSA frame is forwarded after TTL is decremented by 1 and the initiator field is set to 0. Transmit restrict field and others are maintained as is. * No beacon or probe response frame are handled here. Also, introduce the debug message used for mesh CSA purpose. Signed-off-by: Chun-Yeow Yeoh <yeohchunyeow@cozybit.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2013-10-28mac80211: refactor the parsing of chan switch ieChun-Yeow Yeoh
Refactor the channel switch IE parsing to reduce the number of function parameters. Signed-off-by: Chun-Yeow Yeoh <yeohchunyeow@cozybit.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2013-10-28mac80211: add ieee80211_tx_prepare_skb() helper functionFelix Fietkau
This can be used by a driver to prepare skbs for transmission, which were obtained via functions such as ieee80211_probereq_get or ieee80211_nullfunc_get. This is useful for drivers that want to send those frames directly, but need rate control information to be prepared first. Signed-off-by: Felix Fietkau <nbd@openwrt.org> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2013-10-28cfg80211: export reg_initiator_name()Luis R. Rodriguez
Drivers can now use this to parse the regulatory request and be more verbose when needed. Signed-off-by: Luis R. Rodriguez <mcgrof@do-not-panic.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2013-10-28mac80211: fixes for mesh powersave logicMarco Porsch
This patch fixes errors in the mesh powersave logic which cause that remote peers do not get peer power mode change notifications and mesh peer service periods (MPSPs) got stuck. When closing a peer link, set the (now invalid) peer-specific power mode to 'unknown'. Avoid overhead when local power mode is unchanged. Reliably clear MPSP flags on peering status update. Avoid MPSP flags getting stuck by not requesting a further MPSP ownership if we already are an MPSP owner. Signed-off-by: Marco Porsch <marco@cozybit.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2013-10-28mac80211: Remove check for offchannel state when waking netdev queuesSeth Forshee
6c17b77b67587b9f9e3070fb89fe98cef3187131 ensures that a device's mac80211 queues will remain stopped while offchannel. Since the vif can no longer be offchannel when the queues wake it's not necessary to check for this before waking its netdev queues. Signed-off-by: Seth Forshee <seth.forshee@canonical.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2013-10-28net: rfkill: gpio: add ACPI supportHeikki Krogerus
Including ACPI ID for Broadcom GPS receiver BCM4752. Signed-off-by: Heikki Krogerus <heikki.krogerus@linux.intel.com> Acked-by: Rhyland Klein <rklein@nvidia.com> Reviewed-by: Mika Westerberg <mika.westerberg@linux.intel.com> Acked-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2013-10-28net: rfkill: gpio: prepare for DT and ACPI supportHeikki Krogerus
This will add the relevant values like the gpios and the type in rfkill_gpio_platform_data to the rfkill_gpio_data structure. It will allow those values to be easily picked from DT and ACPI tables later. Signed-off-by: Heikki Krogerus <heikki.krogerus@linux.intel.com> Acked-by: Rhyland Klein <rklein@nvidia.com> Reviewed-by: Mika Westerberg <mika.westerberg@linux.intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2013-10-28net: rfkill: gpio: spinlock-safe GPIO accessHeikki Krogerus
This sets the direction of the gpio once when it's requested, and uses the spinlock-safe gpio_set_state() to change the state. Signed-off-by: Heikki Krogerus <heikki.krogerus@linux.intel.com> Acked-by: Rhyland Klein <rklein@nvidia.com> Reviewed-by: Mika Westerberg <mika.westerberg@linux.intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2013-10-28net: rfkill: gpio: clean up clock handlingHeikki Krogerus
Use a simple flag to see the state of the clock, and make the clock available even without a name. Also, get rid of HAVE_CLK dependency. Signed-off-by: Heikki Krogerus <heikki.krogerus@linux.intel.com> Acked-by: Rhyland Klein <rklein@nvidia.com> Reviewed-by: Mika Westerberg <mika.westerberg@linux.intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2013-10-28net: rfkill: gpio: convert to resource managed allocationHeikki Krogerus
And remove now unneeded resource freeing. Signed-off-by: Heikki Krogerus <heikki.krogerus@linux.intel.com> Acked-by: Rhyland Klein <rklein@nvidia.com> Reviewed-by: Mika Westerberg <mika.westerberg@linux.intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2013-10-28cfg80211: fix docbook referencesJohannes Berg
Two functions were changed but their references weren't updated in the docbook template, propagate the change. Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2013-10-28mac80211: add missing IEEE80211_HW_SUPPORTS_HT_CCK_RATES docsJohannes Berg
Document the IEEE80211_HW_SUPPORTS_HT_CCK_RATES flag. Reported-by: Randy Dunlap <rdunlap@infradead.org> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2013-10-28mac80211: enable DFS for IBSS modeSimon Wunderlich
Allow changing to DFS channels if the channel is available for beaconing and userspace controls DFS operation. Channel switch announcement from other stations on DFS channels will be interpreted as radar event. These channels will then be marked as unvailable. Signed-off-by: Simon Wunderlich <siwu@hrz.tu-chemnitz.de> Signed-off-by: Mathias Kretschmer <mathias.kretschmer@fokus.fraunhofer.de> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2013-10-28nl80211/cfg80211: enable DFS for IBSS modeSimon Wunderlich
To use DFS in IBSS mode, userspace is required to react to radar events. It can inform nl80211 that it is capable of doing so by adding a NL80211_ATTR_HANDLE_DFS attribute when joining the IBSS. This attribute is supplied to let the kernelspace know that the userspace application can and will handle radar events, e.g. by intiating channel switches to a valid channel. DFS channels may only be used if this attribute is supplied and the driver supports it. Driver support will be checked even if a channel without DFS will be initially joined, as a DFS channel may be chosen later. Signed-off-by: Simon Wunderlich <siwu@hrz.tu-chemnitz.de> Signed-off-by: Mathias Kretschmer <mathias.kretschmer@fokus.fraunhofer.de> [fix attribute name in commit message] Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2013-10-28mac80211: implement SMPS for APEmmanuel Grumbach
When the driver requests to move to STATIC or DYNAMIC SMPS, we send an action frame to each associated station and reconfigure the channel context / driver. Of course, non-MIMO stations are ignored. The beacon isn't updated. The association response will include the original capabilities. Stations that associate while in non-OFF SMPS mode will get an action frame right after association to inform them about our current state. Note that we wait until the end of the EAPOL. Sending an action frame before the EAPOL is finished can be an issue for a few clients. Clients aren't likely to send EAPOL frames in MIMO anyway. When the SMPS configuration gets more permissive (e.g. STATIC -> OFF), we don't wake up stations that are asleep We remember that they don't know about the change and send the action frame when they wake up. When the SMPS configuration gets more restrictive (e.g. OFF -> STATIC), we set the TIM bit for every sleeping STA. uAPSD stations might send MIMO until they poll the action frame, but this is for a short period of time. Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com> [fix vht streams loop, initialisation] Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2013-10-28perf tools: Fix up /proc/PID/maps parsingArnaldo Carvalho de Melo
When introducing support for MMAP2 we considered more parts of each map representation in /proc/PID/maps, and when disabling it we forgot to reduce the number of expected parsed/assigned entries in the sscanf call, fix it to expect the right number of desired fields, 5. Reported-by: Markus Trippelsdorf <markus@trippelsdorf.de> Based-on-a-patch-by: Markus Trippelsdorf <markus@trippelsdorf.de> Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: David Ahern <dsahern@gmail.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Mike Galbraith <efault@gmx.de> Cc: Paul Mackerras <paulus@samba.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Stephane Eranian <eranian@google.com> Link: http://lkml.kernel.org/n/tip-vrbo1wik997ahjzl1chm3bdm@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2013-10-28drivers/libata: Set max sector to 65535 for Slimtype DVD A DS8A9SH driveShan Hai
The "Slimtype DVD A DS8A9SH" drive locks up with following backtrace when the max sector is smaller than 65535 bytes, fix it by adding a quirk to set the max sector to 65535 bytes. INFO: task flush-11:0:663 blocked for more than 120 seconds. "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. flush-11:0 D 00000000ffff5ceb 0 663 2 0x00000000 ffff88026d3b1710 0000000000000046 0000000000000001 0000000000000000 ffff88026f2530c0 ffff88026d365860 ffff88026d3b16e0 ffffffff812ffd52 ffff88026d4fd3d0 0000000100000001 ffff88026d3b16f0 ffff88026d3b1fd8 Call Trace: [<ffffffff812ffd52>] ? cfq_may_queue+0x52/0xf0 [<ffffffff81604338>] schedule+0x18/0x30 [<ffffffff81604392>] io_schedule+0x42/0x60 [<ffffffff812f22bb>] get_request_wait+0xeb/0x1f0 [<ffffffff81065660>] ? autoremove_wake_function+0x0/0x40 [<ffffffff812eb382>] ? elv_merge+0x42/0x210 [<ffffffff812f26ae>] __make_request+0x8e/0x4e0 [<ffffffff812f068e>] generic_make_request+0x21e/0x5e0 [<ffffffff812f0aad>] submit_bio+0x5d/0xd0 [<ffffffff81141422>] submit_bh+0xf2/0x130 [<ffffffff8114474c>] __block_write_full_page+0x1dc/0x3a0 [<ffffffff81143f60>] ? end_buffer_async_write+0x0/0x120 [<ffffffff811474e0>] ? blkdev_get_block+0x0/0x70 [<ffffffff811474e0>] ? blkdev_get_block+0x0/0x70 [<ffffffff81143f60>] ? end_buffer_async_write+0x0/0x120 [<ffffffff811449ee>] block_write_full_page_endio+0xde/0x100 [<ffffffff81144a20>] block_write_full_page+0x10/0x20 [<ffffffff81148703>] blkdev_writepage+0x13/0x20 [<ffffffff810d7525>] __writepage+0x15/0x40 [<ffffffff810d7c0f>] write_cache_pages+0x1cf/0x3e0 [<ffffffff810d7510>] ? __writepage+0x0/0x40 [<ffffffff810d7e42>] generic_writepages+0x22/0x30 [<ffffffff810d7e6f>] do_writepages+0x1f/0x40 [<ffffffff8113ae67>] writeback_single_inode+0xe7/0x3b0 [<ffffffff8113b574>] writeback_sb_inodes+0x184/0x280 [<ffffffff8113bedb>] writeback_inodes_wb+0x6b/0x1a0 [<ffffffff8113c24b>] wb_writeback+0x23b/0x2a0 [<ffffffff8113c42d>] wb_do_writeback+0x17d/0x190 [<ffffffff8113c48b>] bdi_writeback_task+0x4b/0xe0 [<ffffffff810e82a0>] ? bdi_start_fn+0x0/0x100 [<ffffffff810e8321>] bdi_start_fn+0x81/0x100 [<ffffffff810e82a0>] ? bdi_start_fn+0x0/0x100 [<ffffffff8106522e>] kthread+0x8e/0xa0 [<ffffffff81039274>] ? finish_task_switch+0x54/0xc0 [<ffffffff81003334>] kernel_thread_helper+0x4/0x10 [<ffffffff810651a0>] ? kthread+0x0/0xa0 [<ffffffff81003330>] ? kernel_thread_helper+0x0/0x10 The above trace was triggered by "dd if=/dev/zero of=/dev/sr0 bs=2048 count=32768" Cc: stable@vger.kernel.org Signed-off-by: Shan Hai <shan.hai@windriver.com> Signed-off-by: Tejun Heo <tj@kernel.org>
2013-10-28arm64: update 32-bit kuser helpers to ARMv8Robin Murphy
This patch updates the barrier semantics in the kuser helper functions to take advantage of the ARMv8 additions to AArch32, which are guaranteed to be available in situations where these functions will be called. Note that this slightly changes the cmpxchg functions in that they are no longer necessarily full barriers if they return 1. However, the documentation only states they include their own barriers "as needed", not that they are obligated to act as a full barrier for the caller. Signed-off-by: Robin Murphy <robin.murphy@arm.com> Acked-by: Will Deacon <will.deacon@arm.com> CC: Matthew Leach <matthew.leach@arm.com> CC: Dave Martin <dave.martin@arm.com> CC: Mark Rutland <mark.rutland@arm.com> Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
2013-10-28sched: Remove extra put_online_cpus() inside sched_setaffinity()Michael wang
Commit 6acce3ef8: sched: Remove get_online_cpus() usage has left one extra put_online_cpus() inside sched_setaffinity(), remove it to fix the WARN: ------------[ cut here ]------------ WARNING: CPU: 0 PID: 3166 at kernel/cpu.c:84 put_online_cpus+0x43/0x70() ... [<ffffffff810c3fef>] put_online_cpus+0x43/0x70 [ [<ffffffff810efd59>] sched_setaffinity+0x7d/0x1f9 [ ... Reported-by: Fengguang Wu <fengguang.wu@intel.com> Tested-by: Fengguang Wu <fengguang.wu@intel.com> Signed-off-by: Michael Wang <wangyun@linux.vnet.ibm.com> Cc: Peter Zijlstra <peterz@infradead.org> Link: http://lkml.kernel.org/r/526DD0EE.1090309@linux.vnet.ibm.com Signed-off-by: Ingo Molnar <mingo@kernel.org>
2013-10-28net: ipvs: sctp: add missing verdict assignments in sctp_conn_scheduleDaniel Borkmann
If skb_header_pointer() fails, we need to assign a verdict, that is NF_DROP in this case, otherwise, we would leave the verdict from conn_schedule() uninitialized when returning. Signed-off-by: Daniel Borkmann <dborkman@redhat.com> Acked-by: Jesper Dangaard Brouer <brouer@redhat.com> Acked-by: Neil Horman <nhorman@tuxdriver.com> Acked-by: Julian Anastasov <ja@ssi.bg> Signed-off-by: Simon Horman <horms@verge.net.au>
2013-10-28ALSA: pcm_dmaengine: Remove hardcoded PCM formatsTakashi Iwai
Use the standard PCM helper function to figure out the sample bytes instead of hardcodec PCM format checks in snd_hwparams_to_dma_slave_config(). The patch also extends the format check for 8 bytes formats although no one should match so far. Acked-by: Lars-Peter Clausen <lars@metafoo.de> Signed-off-by: Takashi Iwai <tiwai@suse.de>
2013-10-28genirq: Set the irq thread policy without checking CAP_SYS_NICEThomas Pfaff
In commit ee23871389 ("genirq: Set irq thread to RT priority on creation") we moved the assigment of the thread's priority from the thread's function into __setup_irq(). That function may run in user context for instance if the user opens an UART node and then driver calls requests in the ->open() callback. That user may not have CAP_SYS_NICE and so the irq thread won't run with the SCHED_OTHER policy. This patch uses sched_setscheduler_nocheck() so we omit the CAP_SYS_NICE check which is otherwise required for the SCHED_OTHER policy. [bigeasy: Rewrite the changelog] Signed-off-by: Thomas Pfaff <tpfaff@pcs.com> Cc: Ivo Sieben <meltedpianoman@gmail.com> Cc: stable@vger.kernel.org Link: http://lkml.kernel.org/r/1381489240-29626-1-git-send-email-bigeasy@linutronix.de Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2013-10-28drm/i915: Add support for pipe_bpp readoutVille Syrjälä
On CTG+ read out the pipe bpp setting from hardware and fill it into pipe config. Also check it appropriately. v2: Don't do the pipe_bpp extraction inside the PCH only code block on ILK+. Avoid the PIPECONF read as we already have read it for the PIPECONF_EANBLE check. Note: This is already in drm-intel-next-queued as commit 42571aefafb1d330ef84eb29418832f72e7dfb4c Author: Ville Syrjälä <ville.syrjala@linux.intel.com> Date: Fri Sep 6 23:29:00 2013 +0300 drm/i915: Add support for pipe_bpp readout but is needed for the following bugfix. Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Reviewed-by: Jani Nikula <jani.nikula@intel.com> Cc: stable@vger.kernel.org Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
2013-10-28tty/hvc_iucv: remove redundant NULL checkHendrik Brueckner
Make smatch happy and remove this warning: drivers/tty/hvc/hvc_iucv.c:1320 hvc_iucv_init() info: redundant null check on hvc_iucv_filter calling kfree() Signed-off-by: Hendrik Brueckner <brueckner@linux.vnet.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
2013-10-28s390/dasd: Write to profile data area only if it is availableStefan Weinhuber
We check for the existence of block->profile.data before we write to it, but the dependent code block misses braces. Signed-off-by: Stefan Weinhuber <wein@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
2013-10-28s390: convert use of typedef ctl_table to struct ctl_tableJoe Perches
This typedef is unnecessary and should just be removed. Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
2013-10-28xfrm: Increase the garbage collector thresholdSteffen Klassert
With the removal of the routing cache, we lost the option to tweak the garbage collector threshold along with the maximum routing cache size. So git commit 703fb94ec ("xfrm: Fix the gc threshold value for ipv4") moved back to a static threshold. It turned out that the current threshold before we start garbage collecting is much to small for some workloads, so increase it from 1024 to 32768. This means that we start the garbage collector if we have more than 32768 dst entries in the system and refuse new allocations if we are above 65536. Reported-by: Wolfgang Walter <linux@stwm.de> Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
2013-10-28sctp: merge two if statements to onewangweidong
Two if statements do the same work, we can merge them to one. And fix some typos. There is just code simplification, no functional changes. Signed-off-by: Wang Weidong <wangweidong1@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-10-28sctp: remove the repeat initialize with 0wangweidong
kmem_cache_zalloc had set the allocated memory to zero. I think no need to initialize with 0. And move the comments to the function begin. Acked-by: Vlad Yasevich <vyasevich@gmail.com> Signed-off-by: Wang Weidong <wangweidong1@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-10-28sctp: fix some comments in chunk.c and associola.cwangweidong
fix some typos Acked-by: Vlad Yasevich <vyasevich@gmail.com> Signed-off-by: Wang Weidong <wangweidong1@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-10-28veth: extend features to support tunnelingEric Dumazet
While investigating on a recent vxlan regression, I found veth was using a zero features set for vxlan tunnels. We have to segment GSO frames, copy the payload, and do the checksum. This patch brings a ~200% performance increase We probably have to add hw_enc_features support on other virtual devices. Signed-off-by: Eric Dumazet <edumazet@google.com> Cc: Alexei Starovoitov <ast@plumgrid.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-10-27Merge most of tag 'tags/exynos-dt' of ↵Olof Johansson
git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung.git into next/dt From Kukjin Kim, these are device-tree updates for Exynos. Among the changes: - add MIPI PHY node for exynos4 - update regulator for origen and exynos5250-arndale - add support HDMI for exynos5250, exynos5420 * commit '93457b9cb980ffeeef020c3bcd99065c3807619b': ARM: dts: Add HDMI related I2C nodes for Arndale board ARM: dts: enable hdmi subsystem for exynos5420 smdk board ARM: dts: add dt nodes for hdmi subsystem for exynos5420 ARM: dts: add i2c device nodes for Exynos5420 ARM: dts: add clocks to hdmi dt node for exynos5250 ARM: dts: add mixer clocks to mixer node for Exynos5250 of/documentation: update with clock information for exynos hdmi subsystem ARM: dts: Disable Exynos5250 I2S controllers by default ARM: dts: Add reg property to regulator nodes in exynos5250-arndale ARM: dts: Add fixed voltage regulator to simple bus for origen ARM: dts: Add MIPI PHY node to exynos4.dtsi
2013-10-27Merge tag 's3c24xx-dma' of ↵Olof Johansson
git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung into next/drivers From Kukjin Kim, this branch adds device-tree support to the DMA controller on the older Samsung SoCs. It also adds support for one of the missing SoCs in the family (2410). The driver has been Ack:ed by Vinod Koul, but is merged through here due to dependencies with platform code. * tag 's3c24xx-dma' of git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung: ARM: S3C24XX: add dma pdata for s3c2410, s3c2440 and s3c2442 dmaengine: s3c24xx-dma: add support for the s3c2410 type of controller ARM: S3C24XX: Fix possible dma selection warning ARM: SAMSUNG: set s3c24xx_dma_filter for s3c64xx-spi0 device ARM: S3C24XX: add platform-devices for new dma driver for s3c2412 and s3c2443 dmaengine: add driver for Samsung s3c24xx SoCs ARM: S3C24XX: number the dma clocks + Linux 3.12-rc3 Signed-off-by: Olof Johansson <olof@lixom.net>
2013-10-28f2fs: fix a deadlock during init_acl procedureJaegeuk Kim
The deadlock is found through the following scenario. sys_mkdir() -> f2fs_add_link() -> __f2fs_add_link() -> init_inode_metadata() : lock_page(inode); -> f2fs_init_acl() -> f2fs_set_acl() -> f2fs_setxattr(..., NULL) : This NULL page incurs a deadlock at update_inode_page(). So, likewise f2fs_init_security(), this patch adds a parameter to transfer the locked inode page to f2fs_setxattr(). Found by Linux File System Verification project (linuxtesting.org). Reported-by: Alexey Khoroshilov <khoroshilov@ispras.ru> Signed-off-by: Jaegeuk Kim <jaegeuk.kim@samsung.com>
2013-10-28f2fs: clean up acl flow for better readabilityJaegeuk Kim
This patch cleans up a couple of acl codes. Signed-off-by: Jaegeuk Kim <jaegeuk.kim@samsung.com>
2013-10-28f2fs: remove unnecessary segment bitmap updatesChangman Lee
Only one dirty type is set in __locate_dirty_segment and we can know dirty type of segment. So we don't need to check other dirty types. Signed-off-by: Changman Lee <cm224.lee@samsung.com> Signed-off-by: Jaegeuk Kim <jaegeuk.kim@samsung.com>
2013-10-27Merge tag 'samsung-maintainer' of ↵Olof Johansson
git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung into next/cleanup From Kukjin Kim, an update to the Samsung maintainer entries. * tag 'samsung-maintainer' of git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung: MAINTAINERS: Add DTS files to patterns for Samsung platform Signed-off-by: Olof Johansson <olof@lixom.net>
2013-10-27Merge tag 'samsung-cleanup' of ↵Olof Johansson
git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung into next/cleanup From Kukjin Kim: Samsung Cleanup for v3.13 - remove unnecessary config options and header inclusions - use CONFIG_ARCH_S3C64XX instead of PLAT_S3C64XX * tag 'samsung-cleanup' of git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung: ARM: EXYNOS: remove CONFIG_MACH_EXYNOS[4, 5]_DT config options ARM: EXYNOS: remove unnecessary header inclusions from exynos4/5 dt machine file ARM: S3C64XX: Kill CONFIG_PLAT_S3C64XX ASoC: samsung: Use CONFIG_ARCH_S3C64XX to check for S3C64XX support s3c-camif: Use CONFIG_ARCH_S3C64XX to check for S3C64XX support gpio: samsung: Use CONFIG_ARCH_S3C64XX to check for S3C64XX support ARM: S3C64XX: Move if ARCH_S3C64XX statement into mach-s3c64xx Signed-off-by: Olof Johansson <olof@lixom.net>
2013-10-28inet: restore gso for vxlanEric Dumazet
Alexei reported a performance regression on vxlan, caused by commit 3347c9602955 "ipv4: gso: make inet_gso_segment() stackable" GSO vxlan packets were not properly segmented, adding IP fragments while they were not expected. Rename 'bool tunnel' to 'bool encap', and add a new boolean to express the fact that UDP should be fragmented. This fragmentation is triggered by skb->encapsulation being set. Remove a "skb->encapsulation = 1" added in above commit, as its not needed, as frags inherit skb->frag from original GSO skb. Reported-by: Alexei Starovoitov <ast@plumgrid.com> Signed-off-by: Eric Dumazet <edumazet@google.com> Tested-by: Alexei Starovoitov <ast@plumgrid.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-10-27Merge tag 'ux500-dt-for-v3.13-3' of ↵Olof Johansson
git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-stericsson into next/dt From Linus Walleij: Five incremental device tree patches around the clock handling, and adding SSP/SPI devices to the device tree. * tag 'ux500-dt-for-v3.13-3' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-stericsson: ARM: ux500: register all SSP and SPI blocks ARM: ux500: fix I2C4 clock bit ARM: ux500: fix clock for GPIO blocks 6 and 7 clk: ux500: fix erroneous bit assignment ARM: ux500: fix clock for GPIO block 8 Signed-off-by: Olof Johansson <olof@lixom.net>
2013-10-28pkt_sched: fq: clear time_next_packet for reused flowsEric Dumazet
When a socket is freed/reallocated, we need to clear time_next_packet or else we can inherit a prior value and delay first packets of the new flow. Signed-off-by: Eric Dumazet <edumazet@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-10-27Merge tag 'sunxi-fixes-for-3.13' of https://github.com/mripard/linux into ↵Olof Johansson
next/dt From Maxime Ripard: Allwinner sunXi SoCs minor fixes for 3.13 * tag 'sunxi-fixes-for-3.13' of https://github.com/mripard/linux: ARM: sun6i: Fix the APB2 clock gates register size Signed-off-by: Olof Johansson <olof@lixom.net>
2013-10-27Merge tag 'sunxi-dt-for-3.13' of https://github.com/mripard/linux into next/dtOlof Johansson
From Maxime Ripard: Allwinner sunXi SoCs device tree changes for 3.13 This DT series sees the introduction of the cubietruck DT, plus the addition of the i2c controller for the A20 based boards, and of the Security ID found in all the Allwinner SoCs but the A31. * tag 'sunxi-dt-for-3.13' of https://github.com/mripard/linux: ARM: sunxi: dts: Add support for the cubieboard3, the CubieTruck ARM: sun7i: olinuxino-micro: Enable the I2C controllers ARM: sun7i: cubieboard2: Enable the I2C controllers ARM: sun7i: Add the pin muxing options for the I2C controllers ARM: sun7i: Enable the I2C controllers ARM: sunxi: dt: Add sunxi-sid to dts for sun4i, sun5i and sun7i Signed-off-by: Olof Johansson <olof@lixom.net>
2013-10-28Revert "Merge branch 'bonding_monitor_locking'"David S. Miller
This reverts commit 4d961a101e032b4bf223b279b4b35bc77576f5a8, reversing changes made to a00f6fcc7d0c62a91768d9c4ccba4c7d64fbbce3. Revert bond locking changes, they cause regressions and Veaceslav Falico doesn't like how the commit messages were done at all. Signed-off-by: David S. Miller <davem@davemloft.net>
2013-10-27Staging:line6: fix line over 80 charactersEbru Akagunduz
Fix checkpatch.pl issues with line over 80 characters in playback.c Signed-off-by: Ebru Akagunduz <ebru.akagunduz@gmail.com> Reviewed-by: Lisa Nguyen <lisa@xenapiadmin.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-10-27staging: rts5139: Replaced min() with min_t() inArchana kumari
This patch replaces min() with min_t() in rts51x_scsi.c Signed-off-by: Archana kumari <archanakumari959@gmail.com> Reviewed-by: Lisa Nguyen <lisa@xenapiadmin.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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