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2017-09-21mac80211: avoid allocating TXQs that won't be usedJohannes Berg
For AP_VLAN and monitor interfaces we'll never use the TXQs we allocated, so avoid doing so. Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2017-09-18net_sched: sch_htb: add per class overlimits counterEric Dumazet
HTB qdisc overlimits counter is properly increased, but we have no per class counter, meaning it is difficult to diagnose HTB problems. This patch adds this counter, visible in "tc -s class show dev eth0", with current iproute2. Signed-off-by: Eric Dumazet <edumazet@google.com> Reported-by: Denys Fedoryshchenko <nuclearcat@nuclearcat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-09-18net_sched: use explicit size of struct tcmsg, remove need to declare tcmColin Ian King
Pointer tcm is being initialized and is never read, it is only being used to determine the size of struct tcmsg. Clean this up by removing variable tcm and explicitly using the sizeof struct tcmsg rather than *tcm. Cleans up clang warning: warning: Value stored to 'tcm' during its initialization is never read Signed-off-by: Colin Ian King <colin.king@canonical.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-09-18Merge branch 'korina-performance-fixes-and-cleanup'David S. Miller
Roman Yeryomin says: ==================== korina: performance fixes and cleanup Changes from v1: - use GRO instead of increasing ring size - use NAPI_POLL_WEIGHT instead of defining own NAPI_WEIGHT - optimize rx descriptor flags processing ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
2017-09-18net: korina: bump versionRoman Yeryomin
Signed-off-by: Roman Yeryomin <roman@advem.lv> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-09-18net: korina: update authorsRoman Yeryomin
Signed-off-by: Roman Yeryomin <roman@advem.lv> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-09-18net: korina: whitespace cleanupRoman Yeryomin
Signed-off-by: Roman Yeryomin <roman@advem.lv> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-09-18net: korina: use GRORoman Yeryomin
Performance gain when receiving locally is 55->95Mbps and 50->65Mbps for NAT. Signed-off-by: Roman Yeryomin <roman@advem.lv> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-09-18net: korina: use NAPI_POLL_WEIGHTRoman Yeryomin
Signed-off-by: Roman Yeryomin <roman@advem.lv> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-09-18net: korina: optimize rx descriptor flags processingRoman Yeryomin
Signed-off-by: Roman Yeryomin <roman@advem.lv> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-09-18net: korina: don't use overflow and underflow interruptsRoman Yeryomin
When such interrupts occur there is not much we can do. Dropping the whole ring doesn't help and only produces high packet loss. If we just ignore the interrupt the mac will drop one or few packets instead of the whole ring. Also this will lower the irq handling load and increase performance. Signed-off-by: Roman Yeryomin <roman@advem.lv> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-09-18hamradio: baycom: use new parport device modelSudip Mukherjee
Modify baycom driver to use the new parallel port device model. Signed-off-by: Sudip Mukherjee <sudipm.mukherjee@gmail.com> Acked-By: Thomas Sailer <t.sailer@alumni.ethz.ch> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-09-18net/ethernet/freescale: fix warning for ucc_gethValentin Longchamp
uf_info.regs is resource_size_t i.e. phys_addr_t that can be either u32 or u64 according to CONFIG_PHYS_ADDR_T_64BIT. The printk format is thus adaptet to u64 and the regs value cast to u64 to take both u32 and u64 into account. Signed-off-by: Valentin Longchamp <valentin.longchamp@keymile.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-09-18forcedeth: replace pci_map_single with dma_map_single functionsZhu Yanjun
pci_map_single functions are obsolete. So replace them with dma_map_single functions. Signed-off-by: Zhu Yanjun <yanjun.zhu@oracle.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-09-18Merge branch 's390-qeth-next'David S. Miller
Julian Wiedmann says: ==================== s390/qeth: updates 2017-09-18 first batch of patches for 4.15. One larger item in there is Hans' addition of new configuration options for flexible packet processing ('VNIC characteristics'). The patch descriptions have all the details. Please apply. ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
2017-09-18s390/qeth: tidy up parameter naming for qeth_do_send_packet()Jens Remus
Cppcheck reports the following for drivers/s390/net/qeth_core.h: warning - line 1560 - Function 'qeth_do_send_packet' argument order different: declaration 'card, queue, skb, hdr, hd_len, offset, elements' definition 'card, queue, skb, hdr, offset, hd_len, elements_needed'. Match the naming in the function's declaration against its definition. Signed-off-by: Jens Remus <jremus@linux.vnet.ibm.com> Reviewed-by: Julian Wiedmann <jwi@linux.vnet.ibm.com> Signed-off-by: Julian Wiedmann <jwi@linux.vnet.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-09-18s390/qeth: fold VLAN handling into l3_rebuild_skb()Julian Wiedmann
Move the overly complicated VLAN processing from the L3 RX handler into its l3_rebuild_skb() helper. No change in functionality. Signed-off-by: Julian Wiedmann <jwi@linux.vnet.ibm.com> Reviewed-by: Ursula Braun <ubraun@linux.vnet.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-09-18s390/qeth: translate SETVLAN/DELVLAN errorsJulian Wiedmann
Properly return any error encountered during VLAN processing to the the caller. Resulting change in behaviour: if SETVLAN fails while registering a new VLAN ID, the stack no longer creates the corresponding vlan device. Signed-off-by: Julian Wiedmann <jwi@linux.vnet.ibm.com> Reviewed-by: Ursula Braun <ubraun@linux.vnet.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-09-18s390/qeth: simplify L3 sysfs group managementJulian Wiedmann
Use the right helpers to create/remove all attribute groups in one go. Suggested-by: Hans Wippel <hwippel@linux.vnet.ibm.com> Signed-off-by: Julian Wiedmann <jwi@linux.vnet.ibm.com> Reviewed-by: Ursula Braun <ubraun@linux.vnet.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-09-18s390/qeth: don't take queue lock in send_packet_fast()Julian Wiedmann
Locking the output queue prior to TX is needed on OSA devices, to synchronize against a packing flush from the TX completion code (via qeth_check_outbound_queue()). But send_packet_fast() is only used for IQDs, which don't do packing. So remove the locking, and apply some easy cleanups. Signed-off-by: Julian Wiedmann <jwi@linux.vnet.ibm.com> Reviewed-by: Ursula Braun <ubraun@linux.vnet.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-09-18s390/qeth: remove unused code in qdio_establish_cq()Julian Wiedmann
Storing the number of input buffers into 'i' has no effect, it is immediately re-assigned in the next line. Signed-off-by: Julian Wiedmann <jwi@linux.vnet.ibm.com> Reviewed-by: Ursula Braun <ubraun@linux.vnet.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-09-18s390/qeth: add VNICC get/set timeout supportHans Wippel
HiperSockets allow configuring so called VNIC Characteristics (VNICC) that influence how the underlying hardware handles packets. For VNICCs, additional commands for getting and setting timeouts are available. Currently, the learning VNICC uses these commands. * Learning VNICC: If learning is enabled on a qeth device, the device learns the source MAC addresses of outgoing packets and incoming packets to those learned MAC addresses are received. For learning, the timeout specifies the idle period in seconds, after which the underlying hardware removes a learned MAC address again. This patch adds support for the IPA commands that are required to get and set the current timeout values for the learning VNIC characteristic. Also, it introduces the sysfs interface that allows users to configure the timeout. Signed-off-by: Hans Wippel <hwippel@linux.vnet.ibm.com> Reviewed-by: Julian Wiedmann <jwi@linux.vnet.ibm.com> Signed-off-by: Julian Wiedmann <jwi@linux.vnet.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-09-18s390/qeth: add VNICC enable/disable supportHans Wippel
HiperSocket devices allow enabling and disabling so called VNIC Characteristics (VNICC) that influence how the underlying hardware handles packets. These VNICCs are: * Flooding VNICC: Flooding allows specifying if packets to unknown destination MAC addresses are received by the qeth device. * Multicast flooding VNICC: Multicast flooding allows specifying if packets to multicast MAC addresses are received by the qeth device. * Learning VNICC: If learning is enabled on a qeth device, the device learns the source MAC addresses of outgoing packets and incoming packets to those learned MAC addresses are received. * Takeover setvmac VNICC: If takeover setvmac is configured on a qeth device, the MAC address of this device can be configured on a different qeth device with the setvmac IPA command. * Takeover by learning VNICC: If takeover learning is enabled on a qeth device, the MAC address of this device can be learned (learning VNICC) on a different qeth device. * BridgePort invisible VNICC: If BridgePort invisible is enabled on a qeth device, (1) packets from this device are not sent to a BridgePort enabled qeth device and (2) packets coming from a BridgePort enabled qeth device are not received by this device. * Receive broadcast VNICC: Receive broadcast allows configuring if a qeth device receives packets with the broadcast destination MAC address. This patch adds support for the IPA commands that are required to enable and disable these VNIC characteristics on qeth devices. As a prerequisite, it also adds the query commands IPA command. The query commands IPA command allows requesting the supported commands for each characteristic from the underlying hardware. Additionally, this patch provides users with a sysfs user interface to enable/disable the VNICCs mentioned above. Signed-off-by: Hans Wippel <hwippel@linux.vnet.ibm.com> Reviewed-by: Julian Wiedmann <jwi@linux.vnet.ibm.com> Signed-off-by: Julian Wiedmann <jwi@linux.vnet.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-09-18s390/qeth: add basic VNICC supportHans Wippel
VNIC Characteristics (VNICC) are features of HiperSockets that define how packets are handled by the underlying network hardware. For example, if the VNICC flooding is configured on a qeth device, ethernet frames to unknown destination MAC addresses are received. Currently, there is support for seven VNICCs: flooding, multicast flooding, receive broadcast, learning, takeover learning, takeover setvmac, bridge invisible. Also, six IPA commands exist for configuring VNICCs on a qeth device: query characteristics, query commands, enable characteristic, disable characteristic, set timeout, get timeout. This patch adds the basic code infrastructure for VNICC support to qeth. It allows querying VNICC support from the underlying hardware. To this end, it adds: * basic message formats for IPA commands * basic data structures * basic error handling * query characteristics IPA command support The query characteristics IPA command allows requesting the currently supported and currently enabled VNIC characteristics from the underlying hardware. Support for the other IPA commands and for the configuration of VNICCs is added in follow-up patches together with the respective user interface functions. Signed-off-by: Hans Wippel <hwippel@linux.vnet.ibm.com> Reviewed-by: Julian Wiedmann <jwi@linux.vnet.ibm.com> Signed-off-by: Julian Wiedmann <jwi@linux.vnet.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-09-18dt-bindings: net: renesas-ravb: Add support for R8A77995 RAVBYoshihiro Shimoda
Add a new compatible string for the R8A77995 (R-Car D3) RAVB. Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com> Acked-by: Geert Uytterhoeven <geert+renesas@glider.be> Acked-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com> Acked-by: Simon Horman <horms+renesas@verge.net.au> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-09-18net: Convert int functions to boolJoe Perches
Global function ipv6_rcv_saddr_equal and static functions ipv6_rcv_saddr_equal and ipv4_rcv_saddr_equal currently return int. bool is slightly more descriptive for these functions so change their return type from int to bool. Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-09-18ravb: document R8A77970 bindingsSergei Shtylyov
R-Car V3M (R8A77970) SoC also has the R-Car gen3 compatible EtherAVB device, so document the SoC specific bindings. Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com> Acked-by: Simon Horman <horms+renesas@verge.net.au> Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-09-18net: phy: realtek: add RTL8201F phy-id and functionsJassi Brar
Add RTL8201F phy-id and the related functions to the driver. The original patch is as follows: https://patchwork.kernel.org/patch/2538341/ Signed-off-by: Jongsung Kim <neidhard.kim@lge.com> Signed-off-by: Jassi Brar <jaswinder.singh@linaro.org> Signed-off-by: Kunihiko Hayashi <hayashi.kunihiko@socionext.com> Reviewed-by: Andrew Lunn <andrew@lunn.ch> Reviewed-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-09-18net: phy: realtek: rename RTL8211F_PAGE_SELECT to RTL821x_PAGE_SELECTKunihiko Hayashi
This renames the definition of page select register from RTL8211F_PAGE_SELECT to RTL821x_PAGE_SELECT to use it across models. Signed-off-by: Kunihiko Hayashi <hayashi.kunihiko@socionext.com> Reviewed-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-09-18dummy: declare dummy devices as enumerated devicesZhang Shengju
Dummy device name is enumerated by the kernel, let user space be aware of the naming scheme used by dummy devices: (visible in /sys/class/net/<iface>/name_assign_type). Signed-off-by: Zhang Shengju <zhangshengju@cmss.chinamobile.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-09-18net: tcp_input: Neaten DBGUNDOJoe Perches
Move the #ifdef into the static void function so that the use of DBGUNDO is validated when FASTRETRANS_DEBUG <= 1. Remove the now unnecessary #else and #define DBGUNDO. Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-09-16Linux 4.14-rc1Linus Torvalds
2017-09-16Merge tag 'upstream-4.14-rc1' of git://git.infradead.org/linux-ubifsLinus Torvalds
Pull UBI updates from Richard Weinberger: "Minor improvements" * tag 'upstream-4.14-rc1' of git://git.infradead.org/linux-ubifs: UBI: Fix two typos in comments ubi: fastmap: fix spelling mistake: "invalidiate" -> "invalidate" ubi: pr_err() strings should end with newlines ubi: pr_err() strings should end with newlines ubi: pr_err() strings should end with newlines
2017-09-16Merge branch 'for-linus-4.14-rc1' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/rw/uml Pull UML updates from Richard Weinberger: - minor improvements - fixes for Debian's new gcc defaults (pie enabled by default) - fixes for XSTATE/XSAVE to make UML work again on modern systems * 'for-linus-4.14-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rw/uml: um: return negative in tuntap_open_tramp() um: remove a stray tab um: Use relative modversions with LD_SCRIPT_DYN um: link vmlinux with -no-pie um: Fix CONFIG_GCOV for modules. Fix minor typos and grammar in UML start_up help um: defconfig: Cleanup from old Kconfig options um: Fix FP register size for XSTATE/XSAVE
2017-09-16Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/netLinus Torvalds
Pull networking fixes from David Miller: 1) Fix hotplug deadlock in hv_netvsc, from Stephen Hemminger. 2) Fix double-free in rmnet driver, from Dan Carpenter. 3) INET connection socket layer can double put request sockets, fix from Eric Dumazet. 4) Don't match collect metadata-mode tunnels if the device is down, from Haishuang Yan. 5) Do not perform TSO6/GSO on ipv6 packets with extensions headers in be2net driver, from Suresh Reddy. 6) Fix scaling error in gen_estimator, from Eric Dumazet. 7) Fix 64-bit statistics deadlock in systemport driver, from Florian Fainelli. 8) Fix use-after-free in sctp_sock_dump, from Xin Long. 9) Reject invalid BPF_END instructions in verifier, from Edward Cree. * git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (43 commits) mlxsw: spectrum_router: Only handle IPv4 and IPv6 events Documentation: link in networking docs tcp: fix data delivery rate bpf/verifier: reject BPF_ALU64|BPF_END sctp: do not mark sk dumped when inet_sctp_diag_fill returns err sctp: fix an use-after-free issue in sctp_sock_dump netvsc: increase default receive buffer size tcp: update skb->skb_mstamp more carefully net: ipv4: fix l3slave check for index returned in IP_PKTINFO net: smsc911x: Quieten netif during suspend net: systemport: Fix 64-bit stats deadlock net: vrf: avoid gcc-4.6 warning qed: remove unnecessary call to memset tg3: clean up redundant initialization of tnapi tls: make tls_sw_free_resources static sctp: potential read out of bounds in sctp_ulpevent_type_enabled() MAINTAINERS: review Renesas DT bindings as well net_sched: gen_estimator: fix scaling error in bytes/packets samples nfp: wait for the NSP resource to appear on boot nfp: wait for board state before talking to the NSP ...
2017-09-16Merge branch 'for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input Pull more input updates from Dmitry Torokhov: "A second round of updates for the input subsystem: - a new driver for PWM-controlled vibrators - ucb1400 touchscreen driver had completely busted suspend/resume handling - we now handle "home" button found on some devices with Goodix touchscreens - assorted other fixups" * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input: Input: i8042 - add Gigabyte P57 to the keyboard reset table Input: xpad - validate USB endpoint type during probe Input: ucb1400_ts - fix suspend and resume handling Input: edt-ft5x06 - fix access to non-existing register Input: elantech - make arrays debounce_packet static, reduces object code size Input: surface3_spi - make const array header static, reduces object code size Input: goodix - add support for capacitive home button Input: add a driver for PWM controllable vibrators Input: adi - make array seq static, reduces object code size
2017-09-16firmware: Restore support for built-in firmwareMarkus Trippelsdorf
Commit 5620a0d1aac ("firmware: delete in-kernel firmware") removed the entire firmware directory. Unfortunately it thereby also removed the support for built-in firmware. This restores the ability to build firmware directly into the kernel by pruning the original Makefile to the necessary minimum. The default for EXTRA_FIRMWARE_DIR is now the standard directory /lib/firmware/. Fixes: 5620a0d1aac ("firmware: delete in-kernel firmware") Signed-off-by: Markus Trippelsdorf <markus@trippelsdorf.de> Acked-by: Greg K-H <gregkh@linuxfoundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2017-09-16mlxsw: spectrum_router: Only handle IPv4 and IPv6 eventsIdo Schimmel
The driver doesn't support events from address families other than IPv4 and IPv6, so ignore them. Otherwise, we risk queueing a work item before it's initialized. This can happen in case a VRF is configured when MROUTE_MULTIPLE_TABLES is enabled, as the VRF driver will try to add an l3mdev rule for the IPMR family. Fixes: 65e65ec137f4 ("mlxsw: spectrum_router: Don't ignore IPv6 notifications") Signed-off-by: Ido Schimmel <idosch@mellanox.com> Reported-by: Andreas Rammhold <andreas@rammhold.de> Reported-by: Florian Klink <flokli@flokli.de> Signed-off-by: Jiri Pirko <jiri@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-09-16Documentation: link in networking docsPavel Machek
Fix link in filter.txt. Acked-by: Pavel Machek <pavel@ucw.cz> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-09-16tcp: fix data delivery rateEric Dumazet
Now skb->mstamp_skb is updated later, we also need to call tcp_rate_skb_sent() after the update is done. Fixes: 8c72c65b426b ("tcp: update skb->skb_mstamp more carefully") Signed-off-by: Eric Dumazet <edumazet@google.com> Acked-by: Soheil Hassas Yeganeh <soheil@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-09-15Merge branch '4.14-features' of ↵Linus Torvalds
git://git.linux-mips.org/pub/scm/ralf/upstream-linus Pull MIPS updates from Ralf Baechle: "This is the main pull request for 4.14 for MIPS; below a summary of the non-merge commits: CM: - Rename mips_cm_base to mips_gcr_base - Specify register size when generating accessors - Use BIT/GENMASK for register fields, order & drop shifts - Add cluster & block args to mips_cm_lock_other() CPC: - Use common CPS accessor generation macros - Use BIT/GENMASK for register fields, order & drop shifts - Introduce register modify (set/clear/change) accessors - Use change_*, set_* & clear_* where appropriate - Add CM/CPC 3.5 register definitions - Use GlobalNumber macros rather than magic numbers - Have asm/mips-cps.h include CM & CPC headers - Cluster support for topology functions - Detect CPUs in secondary clusters CPS: - Read GIC_VL_IDENT directly, not via irqchip driver DMA: - Consolidate coherent and non-coherent dma_alloc code - Don't use dma_cache_sync to implement fd_cacheflush FPU emulation / FP assist code: - Another series of 14 commits fixing corner cases such as NaN propgagation and other special input values. - Zero bits 32-63 of the result for a CLASS.D instruction. - Enhanced statics via debugfs - Do not use bools for arithmetic. GCC 7.1 moans about this. - Correct user fault_addr type Generic MIPS: - Enhancement of stack backtraces - Cleanup from non-existing options - Handle non word sized instructions when examining frame - Fix detection and decoding of ADDIUSP instruction - Fix decoding of SWSP16 instruction - Refactor handling of stack pointer in get_frame_info - Remove unreachable code from force_fcr31_sig() - Convert to using %pOF instead of full_name - Remove the R6000 support. - Move FP code from *_switch.S to *_fpu.S - Remove unused ST_OFF from r2300_switch.S - Allow platform to specify multiple its.S files - Add #includes to various files to ensure code builds reliable and without warning.. - Remove __invalidate_kernel_vmap_range - Remove plat_timer_setup - Declare various variables & functions static - Abstract CPU core & VP(E) ID access through accessor functions - Store core & VP IDs in GlobalNumber-style variable - Unify checks for sibling CPUs - Add CPU cluster number accessors - Prevent direct use of generic_defconfig - Make CONFIG_MIPS_MT_SMP default y - Add __ioread64_copy - Remove unnecessary inclusions of linux/irqchip/mips-gic.h GIC: - Introduce asm/mips-gic.h with accessor functions - Use new GIC accessor functions in mips-gic-timer - Remove counter access functions from irq-mips-gic.c - Remove gic_read_local_vp_id() from irq-mips-gic.c - Simplify shared interrupt pending/mask reads in irq-mips-gic.c - Simplify gic_local_irq_domain_map() in irq-mips-gic.c - Drop gic_(re)set_mask() functions in irq-mips-gic.c - Remove gic_set_polarity(), gic_set_trigger(), gic_set_dual_edge(), gic_map_to_pin() and gic_map_to_vpe() from irq-mips-gic.c. - Convert remaining shared reg access, local int mask access and remaining local reg access to new accessors - Move GIC_LOCAL_INT_* to asm/mips-gic.h - Remove GIC_CPU_INT* macros from irq-mips-gic.c - Move various definitions to the driver - Remove gic_get_usm_range() - Remove __gic_irq_dispatch() forward declaration - Remove gic_init() - Use mips_gic_present() in place of gic_present and remove gic_present - Move gic_get_c0_*_int() to asm/mips-gic.h - Remove linux/irqchip/mips-gic.h - Inline __gic_init() - Inline gic_basic_init() - Make pcpu_masks a per-cpu variable - Use pcpu_masks to avoid reading GIC_SH_MASK* - Clean up mti, reserved-cpu-vectors handling - Use cpumask_first_and() in gic_set_affinity() - Let the core set struct irq_common_data affinity microMIPS: - Fix microMIPS stack unwinding on big endian systems MIPS-GIC: - SYNC after enabling GIC region NUMA: - Remove the unused parent_node() macro R6: - Constify r2_decoder_tables - Add accessor & bit definitions for GlobalNumber SMP: - Constify smp ops - Allow boot_secondary SMP op to return errors VDSO: - Drop gic_get_usm_range() usage - Avoid use of linux/irqchip/mips-gic.h Platform changes: Alchemy: - Add devboard machine type to cpuinfo - update cpu feature overrides - Threaded carddetect irqs for devboards AR7: - allow NULL clock for clk_get_rate BCM63xx: - Fix ENETDMA_6345_MAXBURST_REG offset - Allow NULL clock for clk_get_rate CI20: - Enable GPIO and RTC drivers in defconfig - Add ethernet and fixed-regulator nodes to DTS Generic platform: - Move Boston and NI 169445 FIT image source to their own files - Include asm/bootinfo.h for plat_fdt_relocated() - Include asm/time.h for get_c0_*_int() - Include asm/bootinfo.h for plat_fdt_relocated() - Include asm/time.h for get_c0_*_int() - Allow filtering enabled boards by requirements - Don't explicitly disable CONFIG_USB_SUPPORT - Bump default NR_CPUS to 16 JZ4700: - Probe the jz4740-rtc driver from devicetree Lantiq: - Drop check of boot select from the spi-falcon driver. - Drop check of boot select from the lantiq-flash MTD driver. - Access boot cause register in the watchdog driver through regmap - Add device tree binding documentation for the watchdog driver - Add docs for the RCU DT bindings. - Convert the fpi bus driver to a platform_driver - Remove ltq_reset_cause() and ltq_boot_select( - Switch to a proper reset driver - Switch to a new drivers/soc GPHY driver - Add an USB PHY driver for the Lantiq SoCs using the RCU module - Use of_platform_default_populate instead of __dt_register_buses - Enable MFD_SYSCON to be able to use it for the RCU MFD - Replace ltq_boot_select() with dummy implementation. Loongson 2F: - Allow NULL clock for clk_get_rate Malta: - Use new GIC accessor functions NI 169445: - Add support for NI 169445 board. - Only include in 32r2el kernels Octeon: - Add support for watchdog of 78XX SOCs. - Add support for watchdog of CN68XX SOCs. - Expose support for mips32r1, mips32r2 and mips64r1 - Enable more drivers in config file - Add support for accessing the boot vector. - Remove old boot vector code from watchdog driver - Define watchdog registers for 70xx, 73xx, 78xx, F75xx. - Make CSR functions node aware. - Allow access to CIU3 IRQ domains. - Misc cleanups in the watchdog driver Omega2+: - New board, add support and defconfig Pistachio: - Enable Root FS on NFS in defconfig Ralink: - Add Mediatek MT7628A SoC - Allow NULL clock for clk_get_rate - Explicitly request exclusive reset control in the pci-mt7620 PCI driver. SEAD3: - Only include in 32 bit kernels by default VoCore: - Add VoCore as a vendor t0 dt-bindings - Add defconfig file" * '4.14-features' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus: (167 commits) MIPS: Refactor handling of stack pointer in get_frame_info MIPS: Stacktrace: Fix microMIPS stack unwinding on big endian systems MIPS: microMIPS: Fix decoding of swsp16 instruction MIPS: microMIPS: Fix decoding of addiusp instruction MIPS: microMIPS: Fix detection of addiusp instruction MIPS: Handle non word sized instructions when examining frame MIPS: ralink: allow NULL clock for clk_get_rate MIPS: Loongson 2F: allow NULL clock for clk_get_rate MIPS: BCM63XX: allow NULL clock for clk_get_rate MIPS: AR7: allow NULL clock for clk_get_rate MIPS: BCM63XX: fix ENETDMA_6345_MAXBURST_REG offset mips: Save all registers when saving the frame MIPS: Add DWARF unwinding to assembly MIPS: Make SAVE_SOME more standard MIPS: Fix issues in backtraces MIPS: jz4780: DTS: Probe the jz4740-rtc driver from devicetree MIPS: Ci20: Enable RTC driver watchdog: octeon-wdt: Add support for 78XX SOCs. watchdog: octeon-wdt: Add support for cn68XX SOCs. watchdog: octeon-wdt: File cleaning. ...
2017-09-15Merge tag 'pci-v4.14-fixes-1' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci Pull PCI fix from Bjorn Helgaas: "Revert an attempt to fix a race while enabling upstream bridges because it broke iwlwifi firmware loading" * tag 'pci-v4.14-fixes-1' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci: Revert "PCI: Avoid race while enabling upstream bridges"
2017-09-15Merge tag 'drm-fixes-for-v4.14-rc1' of ↵Linus Torvalds
git://people.freedesktop.org/~airlied/linux Pull drm AMD fixes from Dave Airlie: "Just had a single AMD fixes pull from Alex for rc1" * tag 'drm-fixes-for-v4.14-rc1' of git://people.freedesktop.org/~airlied/linux: drm/amdgpu: revert "fix deadlock of reservation between cs and gpu reset v2" drm/amdgpu: remove duplicate return statement drm/amdgpu: check memory allocation failure drm/amd/amdgpu: fix BANK_SELECT on Vega10 (v2) drm/amdgpu: inline amdgpu_ttm_do_bind again drm/amdgpu: fix amdgpu_ttm_bind drm/amdgpu: remove the GART copy hack drm/ttm:fix wrong decoding of bo_count drm/ttm: fix missing inc bo_count drm/amdgpu: set sched_hw_submission higher for KIQ (v3) drm/amdgpu: move default gart size setting into gmc modules drm/amdgpu: refine default gart size drm/amd/powerplay: ACG frequency added in PPTable drm/amdgpu: discard commands of killed processes drm/amdgpu: fix and cleanup shadow handling drm/amdgpu: add automatic per asic settings for gart_size drm/amdgpu/gfx8: fix spelling typo in mqd allocation drm/amd/powerplay: unhalt mec after loading drm/amdgpu/virtual_dce: Virtual display doesn't support disable vblank immediately drm/amdgpu: Fix huge page updates with CPU
2017-09-15Merge branch 'i2c/for-next' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux Pull more i2c updates from Wolfram Sang: "I2C has two more new drivers: Altera FPGA and STM32F7" * 'i2c/for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux: i2c: i2c-stm32f7: add driver i2c: i2c-stm32f4: use generic definition of speed enum dt-bindings: i2c-stm32: Document the STM32F7 I2C bindings i2c: altera: Add Altera I2C Controller driver dt-bindings: i2c: Add Altera I2C Controller
2017-09-15Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvmLinus Torvalds
Pull more KVM updates from Paolo Bonzini: - PPC bugfixes - RCU splat fix - swait races fix - pointless userspace-triggerable BUG() fix - misc fixes for KVM_RUN corner cases - nested virt correctness fixes + one host DoS - some cleanups - clang build fix - fix AMD AVIC with default QEMU command line options - x86 bugfixes * tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm: (28 commits) kvm: nVMX: Handle deferred early VMLAUNCH/VMRESUME failure properly kvm: vmx: Handle VMLAUNCH/VMRESUME failure properly kvm: nVMX: Remove nested_vmx_succeed after successful VM-entry kvm,mips: Fix potential swait_active() races kvm,powerpc: Serialize wq active checks in ops->vcpu_kick kvm: Serialize wq active checks in kvm_vcpu_wake_up() kvm,x86: Fix apf_task_wake_one() wq serialization kvm,lapic: Justify use of swait_active() kvm,async_pf: Use swq_has_sleeper() sched/wait: Add swq_has_sleeper() KVM: VMX: Do not BUG() on out-of-bounds guest IRQ KVM: Don't accept obviously wrong gsi values via KVM_IRQFD kvm: nVMX: Don't allow L2 to access the hardware CR8 KVM: trace events: update list of exit reasons KVM: async_pf: Fix #DF due to inject "Page not Present" and "Page Ready" exceptions simultaneously KVM: X86: Don't block vCPU if there is pending exception KVM: SVM: Add irqchip_split() checks before enabling AVIC KVM: Add struct kvm_vcpu pointer parameter to get_enable_apicv() KVM: SVM: Refactor AVIC vcpu initialization into avic_init_vcpu() KVM: x86: fix clang build ...
2017-09-15bpf/verifier: reject BPF_ALU64|BPF_ENDEdward Cree
Neither ___bpf_prog_run nor the JITs accept it. Also adds a new test case. Fixes: 17a5267067f3 ("bpf: verifier (add verifier core)") Signed-off-by: Edward Cree <ecree@solarflare.com> Acked-by: Alexei Starovoitov <ast@kernel.org> Acked-by: Daniel Borkmann <daniel@iogearbox.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-09-15sctp: do not mark sk dumped when inet_sctp_diag_fill returns errXin Long
sctp_diag would not actually dump out sk/asoc if inet_sctp_diag_fill returns err, in which case it shouldn't mark sk dumped by setting cb->args[3] as 1 in sctp_sock_dump(). Otherwise, it could cause some asocs to have no parent's sk dumped in 'ss --sctp'. So this patch is to not set cb->args[3] when inet_sctp_diag_fill() returns err in sctp_sock_dump(). Fixes: 8f840e47f190 ("sctp: add the sctp_diag.c file") Signed-off-by: Xin Long <lucien.xin@gmail.com> Acked-by: Marcelo Ricardo Leitner <marcelo.leitner@gmail.com> Acked-by: Neil Horman <nhorman@tuxdriver.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-09-15sctp: fix an use-after-free issue in sctp_sock_dumpXin Long
Commit 86fdb3448cc1 ("sctp: ensure ep is not destroyed before doing the dump") tried to fix an use-after-free issue by checking !sctp_sk(sk)->ep with holding sock and sock lock. But Paolo noticed that endpoint could be destroyed in sctp_rcv without sock lock protection. It means the use-after-free issue still could be triggered when sctp_rcv put and destroy ep after sctp_sock_dump checks !ep, although it's pretty hard to reproduce. I could reproduce it by mdelay in sctp_rcv while msleep in sctp_close and sctp_sock_dump long time. This patch is to add another param cb_done to sctp_for_each_transport and dump ep->assocs with holding tsp after jumping out of transport's traversal in it to avoid this issue. It can also improve sctp diag dump to make it run faster, as no need to save sk into cb->args[5] and keep calling sctp_for_each_transport any more. This patch is also to use int * instead of int for the pos argument in sctp_for_each_transport, which could make postion increment only in sctp_for_each_transport and no need to keep changing cb->args[2] in sctp_sock_filter and sctp_sock_dump any more. Fixes: 86fdb3448cc1 ("sctp: ensure ep is not destroyed before doing the dump") Reported-by: Paolo Abeni <pabeni@redhat.com> Signed-off-by: Xin Long <lucien.xin@gmail.com> Acked-by: Marcelo Ricardo Leitner <marcelo.leitner@gmail.com> Acked-by: Neil Horman <nhorman@tuxdriver.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-09-15netvsc: increase default receive buffer sizeStephen Hemminger
The default receive buffer size was reduced by recent change to a value which was appropriate for 10G and Windows Server 2016. But the value is too small for full performance with 40G on Azure. Increase the default back to maximum supported by host. Fixes: 8b5327975ae1 ("netvsc: allow controlling send/recv buffer size") Signed-off-by: Stephen Hemminger <sthemmin@microsoft.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-09-15tcp: update skb->skb_mstamp more carefullyEric Dumazet
liujian reported a problem in TCP_USER_TIMEOUT processing with a patch in tcp_probe_timer() : https://www.spinics.net/lists/netdev/msg454496.html After investigations, the root cause of the problem is that we update skb->skb_mstamp of skbs in write queue, even if the attempt to send a clone or copy of it failed. One reason being a routing problem. This patch prevents this, solving liujian issue. It also removes a potential RTT miscalculation, since __tcp_retransmit_skb() is not OR-ing TCP_SKB_CB(skb)->sacked with TCPCB_EVER_RETRANS if a failure happens, but skb->skb_mstamp has been changed. A future ACK would then lead to a very small RTT sample and min_rtt would then be lowered to this too small value. Tested: # cat user_timeout.pkt --local_ip=192.168.102.64 0 socket(..., SOCK_STREAM, IPPROTO_TCP) = 3 +0 setsockopt(3, SOL_SOCKET, SO_REUSEADDR, [1], 4) = 0 +0 bind(3, ..., ...) = 0 +0 listen(3, 1) = 0 +0 `ifconfig tun0 192.168.102.64/16; ip ro add 192.0.2.1 dev tun0` +0 < S 0:0(0) win 0 <mss 1460> +0 > S. 0:0(0) ack 1 <mss 1460> +.1 < . 1:1(0) ack 1 win 65530 +0 accept(3, ..., ...) = 4 +0 setsockopt(4, SOL_TCP, TCP_USER_TIMEOUT, [3000], 4) = 0 +0 write(4, ..., 24) = 24 +0 > P. 1:25(24) ack 1 win 29200 +.1 < . 1:1(0) ack 25 win 65530 //change the ipaddress +1 `ifconfig tun0 192.168.0.10/16` +1 write(4, ..., 24) = 24 +1 write(4, ..., 24) = 24 +1 write(4, ..., 24) = 24 +1 write(4, ..., 24) = 24 +0 `ifconfig tun0 192.168.102.64/16` +0 < . 1:2(1) ack 25 win 65530 +0 `ifconfig tun0 192.168.0.10/16` +3 write(4, ..., 24) = -1 # ./packetdrill user_timeout.pkt Signed-off-by: Eric Dumazet <edumazet@googl.com> Reported-by: liujian <liujian56@huawei.com> Acked-by: Neal Cardwell <ncardwell@google.com> Acked-by: Yuchung Cheng <ycheng@google.com> Acked-by: Soheil Hassas Yeganeh <soheil@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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