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2016-05-09logfs: no need to lock directory in lseekAl Viro
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2016-05-09switch ecryptfs to ->iterate_sharedAl Viro
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2016-05-09Merge branch 'for-linus' into work.lookupsAl Viro
2016-05-099p: switch to ->iterate_shared()Al Viro
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2016-05-09fat: switch to ->iterate_shared()Al Viro
... and make that weird ioctl lock directory only shared. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2016-05-09romfs, squashfs: switch to ->iterate_shared()Al Viro
don't need to lock directory in ->llseek(), either Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2016-05-09more trivial ->iterate_shared conversionsAl Viro
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2016-05-09lustre: don't need to lock inode in directory lseekAl Viro
Note that lustre has its private mutex protecting directory pagecache; if they ever remove it, they'll need to be careful with PageChecked() use. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2016-05-09kernfs: no point locking directory around that generic_file_llseek()Al Viro
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2016-05-09configfs_readdir(): make safe under shared lockAl Viro
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2016-05-09nfs: per-name sillyunlink exclusionAl Viro
use d_alloc_parallel() for sillyunlink/lookup exclusion and explicit rwsem (nfs_rmdir() being a writer and nfs_call_unlink() - a reader) for rmdir/sillyunlink one. That ought to make lookup/readdir/!O_CREAT atomic_open really parallel on NFS. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2016-05-09netfilter: conntrack: use single slab cacheFlorian Westphal
An earlier patch changed lookup side to also net_eq() namespaces after obtaining a reference on the conntrack, so a single kmemcache can be used. Signed-off-by: Florian Westphal <fw@strlen.de> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
2016-05-09netfilter: conntrack: use a single nat bysource table for all namespacesFlorian Westphal
We already include netns address in the hash, so we only need to use net_eq in find_appropriate_src and can then put all entries into same table. Signed-off-by: Florian Westphal <fw@strlen.de> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
2016-05-09netfilter: conntrack: make netns address part of nat bysrc hashFlorian Westphal
Will be needed soon when we place all in the same hash table. Signed-off-by: Florian Westphal <fw@strlen.de> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
2016-05-09Merge branch 'pm-cpufreq-sched' into pm-cpufreqRafael J. Wysocki
2016-05-09can: ifi: Add more detailed error reportingMarek Vasut
The updated specification for the IFI CANFD core contains description of more detailed error reporting capability of the core. Implement support for this detailed error reporting. Signed-off-by: Marek Vasut <marex@denx.de> Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
2016-05-09can: ifi: Increment TX counters only on real transmissionMarek Vasut
Only increment the TX counters in the irq handler if a CAN message was sent. The current code incremented the counters also if the TX FIFO empty interrupt happened, which is incorrect. Signed-off-by: Marek Vasut <marex@denx.de> Cc: Marc Kleine-Budde <mkl@pengutronix.de> Cc: Mark Rutland <mark.rutland@arm.com> Cc: Oliver Hartkopp <socketcan@hartkopp.net> Cc: Wolfgang Grandegger <wg@grandegger.com> Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
2016-05-09can: ifi: Treat CAN_CTRLMODE_FD_NON_ISO correctlyMarek Vasut
The CAN_CTRLMODE_FD flag is set for both ISO and BOSCH CANFD mode, while the CAN_CTRLMODE_FD_NON_ISO is additional flag which is only set for CANFD-BOSCH mode. Fix the handling of the flags to reflect this. Signed-off-by: Marek Vasut <marex@denx.de> Cc: Marc Kleine-Budde <mkl@pengutronix.de> Cc: Mark Rutland <mark.rutland@arm.com> Cc: Oliver Hartkopp <socketcan@hartkopp.net> Cc: Wolfgang Grandegger <wg@grandegger.com> Reviewed-by: Oliver Hartkopp <socketcan@hartkopp.net> Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
2016-05-09can: ifi: Unify timing constantsMarek Vasut
There is no distinction between bittiming constants for the slow and fast part of the CANFD operation on this controller, so just use one single bittiming constant set. Signed-off-by: Marek Vasut <marex@denx.de> Cc: Marc Kleine-Budde <mkl@pengutronix.de> Cc: Mark Rutland <mark.rutland@arm.com> Cc: Oliver Hartkopp <socketcan@hartkopp.net> Cc: Wolfgang Grandegger <wg@grandegger.com> Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
2016-05-09can: ifi: Update timing configuration codeMarek Vasut
The updated documentation regarding the IFI CANFD core from April 2016 adds more details regarding the timing calculation. There is no longer any distinction in the timing calculation between CANFD and CAN2.0, but instead there are two timing modes -- 4_12_6_6 and 7_9_8_8 -- where the numbers mean the width in bits of the SJW/Prescaler/TimeA/TimeB fields. The code uses 7_9_8_8 mode, which allows more fine-grained control over the timing. Signed-off-by: Marek Vasut <marex@denx.de> Cc: Marc Kleine-Budde <mkl@pengutronix.de> Cc: Mark Rutland <mark.rutland@arm.com> Cc: Oliver Hartkopp <socketcan@hartkopp.net> Cc: Wolfgang Grandegger <wg@grandegger.com> Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
2016-05-09can: ifi: Start NAPI poll on bus warning tooMarek Vasut
Start the NAPI polling in case the bus warning interrupt happens, since it is the poll function which checks and reports the warning. Signed-off-by: Marek Vasut <marex@denx.de> Cc: Marc Kleine-Budde <mkl@pengutronix.de> Cc: Mark Rutland <mark.rutland@arm.com> Cc: Oliver Hartkopp <socketcan@hartkopp.net> Cc: Wolfgang Grandegger <wg@grandegger.com> Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
2016-05-09can: gs_usb: modify the usb device table to use only the first usb interfaceMaximilian Schneider
Modified the USB device table to use only the first USB interface, as is the case with GS USB devices. This allows other GS USB compatible devices to be more flexible with their remaining interfaces. Signed-off-by: Maximilian Schneider <max@schneidersoft.net> Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
2016-05-09can: janz-ican3: error handling for CAL/CANopen firmwareAndreas Gröger
My patch of May 2015 was missing the changed handling of error indications. With CAL/CANopen firmware the NMTS-SlaveEventIndication must be used instead of CAN-EventIndication. An appropriate slave node must be configured to report the errors. In our department (about 15 development systems with Janz ICAN3- modules with firmware 1.48, my system also with firmware ICANOS 1.35) we use the driver with this patch for about one year: no known problems. Signed-off-by: Andreas Gröger <andreas24groeger@gmail.com> Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
2016-05-09can: fix handling of unmodifiable configuration optionsOliver Hartkopp
As described in 'can: m_can: tag current CAN FD controllers as non-ISO' (6cfda7fbebe) it is possible to define fixed configuration options by setting the according bit in 'ctrlmode' and clear it in 'ctrlmode_supported'. This leads to the incovenience that the fixed configuration bits can not be passed by netlink even when they have the correct values (e.g. non-ISO, FD). This patch fixes that issue and not only allows fixed set bit values to be set again but now requires(!) to provide these fixed values at configuration time. A valid CAN FD configuration consists of a nominal/arbitration bittiming, a data bittiming and a control mode with CAN_CTRLMODE_FD set - which is now enforced by a new can_validate() function. This fix additionally removed the inconsistency that was prohibiting the support of 'CANFD-only' controller drivers, like the RCar CAN FD. For this reason a new helper can_set_static_ctrlmode() has been introduced to provide a proper interface to handle static enabled CAN controller options. Reported-by: Ramesh Shanmugasundaram <ramesh.shanmugasundaram@bp.renesas.com> Signed-off-by: Oliver Hartkopp <socketcan@hartkopp.net> Reviewed-by: Ramesh Shanmugasundaram <ramesh.shanmugasundaram@bp.renesas.com> Cc: <stable@vger.kernel.org> # >= 3.18 Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
2016-05-09can: mcp251x: Replace create_freezable_workqueue with alloc_workqueueAmitoj Kaur Chawla
Replace scheduled to be removed create_freezable_workqueue with alloc_workqueue. priv->wq should be explicitly set as freezable to ensure it is frozen in the suspend sequence and work items are drained so that no new work item starts execution until thawed. Thus, use of WQ_FREEZABLE flag here is required. WQ_MEM_RECLAIM flag has been set here to ensure forward progress regardless of memory pressure. The order of execution is not important so set @max_active as 0. Signed-off-by: Amitoj Kaur Chawla <amitoj1606@gmail.com> Acked-by: Tejun Heo <tj@kernel.org> Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
2016-05-09can: sja1000: plx_pci: Add support for Marathon CAN-bus-PCIe cardNikita Edward Baruzdin
This patch adds support for the Marathon CAN-bus-PCIe card to the sja1000 driver. For more information see: http://can.marathon.ru/page/devices/can-bus-pcie Signed-off-by: Nikita Edward Baruzdin <nebaruzdin@gmail.com> Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
2016-05-09can: sja1000: Fix error location forwardingAlexander Gerasiov
According to SJA1000 documentation the location of error is available regardless of an error type. Therefore it should always be forwarded to SocketCAN. Signed-off-by: Nikita Edward Baruzdin <nebaruzdin@lvk.cs.msu.su> Signed-off-by: Alexander GQ Gerasiov <gq@cs.msu.su> Acked-by: Oliver Hartkopp <socketcan@hartkopp.net> Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
2016-05-09crypto: testmgr - Use kmalloc memory for RSA inputHerbert Xu
As akcipher uses an SG interface, you must not use vmalloc memory as input for it. This patch fixes testmgr to copy the vmalloc test vectors to kmalloc memory before running the test. This patch also removes a superfluous sg_virt call in do_test_rsa. Cc: <stable@vger.kernel.org> Reported-by: Anatoly Pugachev <matorola@gmail.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2016-05-09sched/core: Fix comment typo in wake_q_add()Davidlohr Bueso
... the comment clearly refers to wake_up_q(), and not wake_up_list(). Signed-off-by: Davidlohr Bueso <dbueso@suse.de> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: dave@stgolabs.net Link: http://lkml.kernel.org/r/1462766290-28664-1-git-send-email-dave@stgolabs.net Signed-off-by: Ingo Molnar <mingo@kernel.org>
2016-05-09sched/core: Remove unused variableMuhammad Falak R Wani
Remove unused variable 'ret', and directly return 0. Signed-off-by: Muhammad Falak R Wani <falakreyaz@gmail.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Thomas Gleixner <tglx@linutronix.de> Link: http://lkml.kernel.org/r/1462441879-10092-1-git-send-email-falakreyaz@gmail.com Signed-off-by: Ingo Molnar <mingo@kernel.org>
2016-05-09ALSA: hda - Fix white noise on Asus UX501VW headsetKaho Ng
For reducing the noise from the headset output on ASUS UX501VW, call the existing fixup, alc_fixup_headset_mode_alc668(), additionally. Thread: https://bbs.archlinux.org/viewtopic.php?id=209554 Signed-off-by: Kaho Ng <ngkaho1234@gmail.com> Cc: <stable@vger.kernel.org> Signed-off-by: Takashi Iwai <tiwai@suse.de>
2016-05-09Merge branch 'mlx5-build-fix'David S. Miller
Saeed Mahameed says: ==================== net/mlx5e: Kconfig fixes for VxLAN Reposting to net the build errors fixes posted by Arnd last week. Originally Arnd posted those fixes to net-next, while the issue is also seen in net. For net-next a different approach is required for fixing the issue as VXLAN and Device Drivers are no longer dependent, but there is no harm for those fixes to get into net-next. Optionally, once net is merged into net-next we can Revert "net/mlx5e: make VXLAN support conditional" as the CONFIG_MLX5_CORE_EN_VXLAN will no longer be required. Applied on top: 288928658583 ('mlxsw: spectrum: Add missing rollback in flood configuration') ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
2016-05-09net/mlx5e: make VXLAN support conditionalArnd Bergmann
VXLAN can be disabled at compile-time or it can be a loadable module while mlx5 is built-in, which leads to a link error: drivers/net/built-in.o: In function `mlx5e_create_netdev': ntb_netdev.c:(.text+0x106de4): undefined reference to `vxlan_get_rx_port' This avoids the link error and makes the vxlan code optional, like the other ethernet drivers do as well. Link: https://patchwork.ozlabs.org/patch/589296/ Fixes: b3f63c3d5e2c ("net/mlx5e: Add netdev support for VXLAN tunneling") Signed-off-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Saeed Mahameed <saeedm@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-05-09Revert "net/mlx5: Kconfig: Fix MLX5_EN/VXLAN build issue"Arnd Bergmann
This reverts commit 69976fb1045850a742deb9790ea49cbc6f497531. We cannot select VXLAN when IPv4 support is disabled, that just gives us additional build errors, including: warning: (MLX5_CORE_EN) selects VXLAN which has unmet direct dependencies (NETDEVICES && NET_CORE && INET) In file included from ../drivers/net/vxlan.c:36:0: include/net/udp_tunnel.h: In function 'udp_tunnel_handle_offloads': include/net/udp_tunnel.h:112:9: error: implicit declaration of function 'iptunnel_handle_offloads' [-Werror=implicit-function-declaration] return iptunnel_handle_offloads(skb, type); ^~~~~~~~~~~~~~~~~~~~~~~~ I'm sending a proper fix for the original bug in a separate patch. Signed-off-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Saeed Mahameed <saeedm@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-05-09Merge branch 'sh_eth-sw-reset'David S. Miller
Sergei Shtylyov says: ==================== sh_eth: couple of software reset bit cleanups Here's a set of 2 patches against DaveM's 'net-next.git' repo. We can save on the repetitive chip reset code... [1/2] sh_eth: call sh_eth_tsu_write() from sh_eth_chip_reset_giga() [2/2] sh_eth: reuse sh_eth_chip_reset() ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
2016-05-09sh_eth: reuse sh_eth_chip_reset()Sergei Shtylyov
All the chip_reset() methods repeat the code writing to the ARSTR register and delaying for 1 ms, so that we can reuse sh_eth_chip_reset() twice. Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-05-09sh_eth: call sh_eth_tsu_write() from sh_eth_chip_reset_giga()Sergei Shtylyov
sh_eth_chip_reset_giga() doesn't really need to use direct iowrite32() when writing to the ARSTR register, it can use sh_eth_tsu_write() as all other chip_reset() methods. Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-05-09pxa168_eth: mdiobus_scan() doesn't return NULL anymoreSergei Shtylyov
Now that mdiobus_scan() doesn't return NULL on failure anymore, this driver no longer needs to check for it... Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-05-09Merge branch 'for-upstream' of ↵David S. Miller
git://git.kernel.org/pub/scm/linux/kernel/git/bluetooth/bluetooth-next Johan Hedberg says: ==================== pull request: bluetooth-next 2016-05-07 Here are a few more Bluetooth patches for the 4.7 kernel: - NULL pointer fix in hci_intel driver - New Intel Bluetooth controller id in btusb driver - Added device tree binding documentation for Marvel's bt-sd8xxx - Platform specific wakeup interrupt support for btmrvl driver Please let me know if there are any issues pulling. Thanks. ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
2016-05-09macsec: key identifier is 128 bits, not 64Sabrina Dubroca
The MACsec standard mentions a key identifier for each key, but doesn't specify anything about it, so I arbitrarily chose 64 bits. IEEE 802.1X-2010 specifies MKA (MACsec Key Agreement), and defines the key identifier to be 128 bits (96 bits "member identifier" + 32 bits "key number"). Signed-off-by: Sabrina Dubroca <sd@queasysnail.net> Acked-by: Hannes Frederic Sowa <hannes@stressinduktion.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-05-09tcp: refactor struct tcp_skb_cbLawrence Brakmo
Refactor tcp_skb_cb to create two overlaping areas to store state for incoming or outgoing skbs based on comments by Neal Cardwell to tcp_nv patch: AFAICT this patch would not require an increase in the size of sk_buff cb[] if it were to take advantage of the fact that the tcp_skb_cb header.h4 and header.h6 fields are only used in the packet reception code path, and this in_flight field is only used on the transmit side. Signed-off-by: Lawrence Brakmo <brakmo@fb.com> Acked-by: Yuchung Cheng <ycheng@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-05-09ifb: support more featuresEric Dumazet
When using ifb+netem on ingress on SIT/IPIP/GRE traffic, GRO packets are not properly processed. Segmentation should not be forced, since ifb is already adding quite a performance hit. Signed-off-by: Eric Dumazet <edumazet@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-05-08net: make sch_handle_ingress() drop monitor readyEric Dumazet
TC_ACT_STOLEN is used when ingress traffic is mirred/redirected to say ifb. Packet is not dropped, but consumed. Only TC_ACT_SHOT is a clear indication something went wrong. Signed-off-by: Eric Dumazet <edumazet@google.com> Cc: Jamal Hadi Salim <jhs@mojatatu.com> Acked-by: Alexei Starovoitov <ast@kernel.org> Acked-by: Jamal Hadi Salim <jhs@mojatatu.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-05-08ISDN: eicon: replace custom hex_asc_lo() / hex_pack_byte()Andy Shevchenko
Instead of custom approach re-use generic helpers to convert byte to hex format. Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-05-08Documentation/networking: more accurate LCO explanationShmulik Ladkani
In few places the term "ones-complement sum" was used but the actual meaning is "the complement of the ones-complement sum". Also, avoid enclosing long statements with underscore, to ease readability. Signed-off-by: Shmulik Ladkani <shmulik.ladkani@gmail.com> Acked-by: Edward Cree <ecree@solarflare.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-05-08fq_codel: add memory limitation per queueEric Dumazet
On small embedded routers, one wants to control maximal amount of memory used by fq_codel, instead of controlling number of packets or bytes, since GRO/TSO make these not practical. Assuming skb->truesize is accurate, we have to keep track of skb->truesize sum for skbs in queue. This patch adds a new TCA_FQ_CODEL_MEMORY_LIMIT attribute. I chose a default value of 32 MBytes, which looks reasonable even for heavy duty usages. (Prior fq_codel users should not be hurt when they upgrade their kernels) Two fields are added to tc_fq_codel_qd_stats to report : - Current memory usage - Number of drops caused by memory limits # tc qd replace dev eth1 root est 1sec 4sec fq_codel memory_limit 4M .. # tc -s -d qd sh dev eth1 qdisc fq_codel 8008: root refcnt 257 limit 10240p flows 1024 quantum 1514 target 5.0ms interval 100.0ms memory_limit 4Mb ecn Sent 2083566791363 bytes 1376214889 pkt (dropped 4994406, overlimits 0 requeues 21705223) rate 9841Mbit 812549pps backlog 3906120b 376p requeues 21705223 maxpacket 68130 drop_overlimit 4994406 new_flow_count 28855414 ecn_mark 0 memory_used 4190048 drop_overmemory 4994406 new_flows_len 1 old_flows_len 177 Signed-off-by: Eric Dumazet <edumazet@google.com> Cc: Jesper Dangaard Brouer <brouer@redhat.com> Cc: Dave Täht <dave.taht@gmail.com> Cc: Sebastian Möller <moeller0@gmx.de> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-05-08net: Add Qualcomm IPC routerCourtney Cavin
Add an implementation of Qualcomm's IPC router protocol, used to communicate with service providing remote processors. Signed-off-by: Courtney Cavin <courtney.cavin@sonymobile.com> Signed-off-by: Bjorn Andersson <bjorn.andersson@sonymobile.com> [bjorn: Cope with 0 being a valid node id and implement RTM_NEWADDR] Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-05-08soc: qcom: smd: Introduce compile stubsBjorn Andersson
Introduce compile stubs for the SMD API, allowing consumers to be compile tested. Acked-by: Andy Gross <andy.gross@linaro.org> Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-05-08macvtap: segmented packet is consumedEric Dumazet
If GSO packet is segmented and its segments are properly queued, we call consume_skb() instead of kfree_skb() to be drop monitor friendly. Fixes: 3e4f8b7873709 ("macvtap: Perform GSO on forwarding path.") Signed-off-by: Eric Dumazet <edumazet@google.com> Cc: Vlad Yasevich <vyasevic@redhat.com> Reviewed-by: Shmulik Ladkani <shmulik.ladkani@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-05-08tools: bpf_jit_disasm: check for klogctl failureColin Ian King
klogctl can fail and return -ve len, so check for this and return NULL to avoid passing a (size_t)-1 to malloc. Signed-off-by: Colin Ian King <colin.king@canonical.com> Acked-by: Daniel Borkmann <daniel@iogearbox.net> Signed-off-by: David S. Miller <davem@davemloft.net>
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