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2015-10-04bridge: netlink: export root portNikolay Aleksandrov2-1/+4
Add IFLA_BR_ROOT_PORT and export it via netlink. Signed-off-by: Nikolay Aleksandrov <nikolay@cumulusnetworks.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-10-04bridge: netlink: export bridge idNikolay Aleksandrov2-2/+8
Add IFLA_BR_BRIDGE_ID and export br->bridge_id via netlink. Signed-off-by: Nikolay Aleksandrov <nikolay@cumulusnetworks.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-10-04bridge: netlink: export root idNikolay Aleksandrov2-1/+14
Add IFLA_BR_ROOT_ID and export br->designated_root via netlink. For this purpose add struct ifla_bridge_id that would represent struct bridge_id. Signed-off-by: Nikolay Aleksandrov <nikolay@cumulusnetworks.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-10-04bridge: netlink: add group_fwd_mask supportNikolay Aleksandrov2-1/+14
Add IFLA_BR_GROUP_FWD_MASK attribute to allow setting and retrieving the group_fwd_mask via netlink. Signed-off-by: Nikolay Aleksandrov <nikolay@cumulusnetworks.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-10-04Merge branch 'bridge-vlan'David S. Miller3-48/+66
Nikolay Aleksandrov says: ==================== bridge: vlan: cleanups & fixes (part 2) This is the second follow-up set with one fix (patch 01) and more cleanups (patches 02,03 and 04). These are minor compared to the previous ones and should be the last before taking on the optimization changes on the fast-path. ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
2015-10-04bridge: vlan: use br_vlan_should_use to simplify __vlan_add/delNikolay Aleksandrov2-23/+15
The checks that lead to num_vlans change are always what br_vlan_should_use checks for, namely if the vlan is only a context or not and depending on that it's either not counted or counted as a real/used vlan respectively. Also give better explanation in br_vlan_should_use's comment. Signed-off-by: Nikolay Aleksandrov <nikolay@cumulusnetworks.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-10-04bridge: vlan: drop master_flags from __vlan_addNikolay Aleksandrov1-4/+2
There's only one user now and we can include the flag directly. Signed-off-by: Nikolay Aleksandrov <nikolay@cumulusnetworks.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-10-04bridge: vlan: use br_vlan_(get|put)_master to deal with refcountsNikolay Aleksandrov1-17/+39
Introduce br_vlan_(get|put)_master which take a reference (or create the master vlan first if it didn't exist) and drop a reference respectively. Signed-off-by: Nikolay Aleksandrov <nikolay@cumulusnetworks.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-10-04bridge: vlan: use rcu list for the ordered vlan listNikolay Aleksandrov2-4/+10
When I did the conversion to rhashtable I missed the required locking of one important user of the vlan list - br_get_link_af_size_filtered() which is called: br_ifinfo_notify() -> br_nlmsg_size() -> br_get_link_af_size_filtered() and the notifications can be sent without holding rtnl. Before this conversion the function relied on using rcu and since we already use rcu to destroy the vlans, we can simply migrate the list to use the rcu helpers. Signed-off-by: Nikolay Aleksandrov <nikolay@cumulusnetworks.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-10-03tcp/dccp: add SLAB_DESTROY_BY_RCU flag for request socketsEric Dumazet2-2/+4
Before letting request sockets being put in TCP/DCCP regular ehash table, we need to add either : - SLAB_DESTROY_BY_RCU flag to their kmem_cache - add RCU grace period before freeing them. Since we carefully respected the SLAB_DESTROY_BY_RCU protocol like ESTABLISH and TIMEWAIT sockets, use it here. req_prot_init() being only used by TCP and DCCP, I did not add a new slab_flags into their rsk_prot, but reuse prot->slab_flags Since all reqsk_alloc() users are correctly dealing with a failure, add the __GFP_NOWARN flag to avoid traces under pressure. Fixes: 079096f103fa ("tcp/dccp: install syn_recv requests into ehash table") Signed-off-by: Eric Dumazet <edumazet@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-10-03Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/jkirsher/next-queueDavid S. Miller16-63/+87
Jeff Kirsher says: ==================== Intel Wired LAN Driver Updates 2015-09-30 This series contains updates to i40e and i40evf only. Vasily Averin provides a couple of rtnl lock/unlock fixes for both i40e and i40evf. Shannon provides several updates and fixes, first fixes up a type clash in i40e_aq_rc_to_posix(), where the error codes are signed values, so we need to treat them as such. Then fixes up a padding issue where an extra byte is added in i40e_aqc_get_cee_dcb_cfg_v1_resp to directly acknowledge the padding. Updated i40e to keep debugfs register read and writes from accessing outside of the io-remapped space. Added support and device id for another 20 GbE device. Jesse fixes the transmit hand workaround code for ARM that was causing Tx hangs to still occur occasionally when there really was no hang. Then fixed the receive dropped counter to show up in netstat interface. Refactor the interrupt enable function since it was always making the caller add the base_vector from the VSI struct which is already passed to the function. Fix kbuild warnings found in 0day build infrastructure by adding a harmless cast to a dev_info(), also fix 32 bit build warnings found by sparse. Greg fixed a configuration error that results if a port VLAN is set for a VF before the VF driver is loaded, so that when the VF driver is loaded the port VLAN is ignored. Mitch fixes the use of QOS field consistently in i40e_ndo_set_vf_port_vlan(). Modified the init timing of the driver to increase stability on load/unload and SR-IOV enable/disable cycles. Anjali updates i40e to not collect VEB stats if they are disabled in the hardware for performance reasons. ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
2015-10-03Merge branch 'ravb-r8a7795'David S. Miller5-53/+184
Simon Horman says: ==================== ravb: Add support for r8a7795 SoC please consider this series for net-next. It enhances the ravb driver to support the r8a7795 SoC. Changes: * Dropped RFC prefix * Details in changelog of individual patches Base: * net-next/master Availability: To aid review of this in conjunction with other EtherAVB changes the following branches are available in my renesas tree on kernel.org. * me/r8a7795-ravb-driver-v4: this series * me/r8a7795-ravb-pfc-v2: r8a7795 sh-pfc update for EthernetAVB * me/r8a7795-ravb-integration-v4: enable EthernetAVB on r8a7795 * me/r8a7795-ravb-driver-and-integration-v4.runtime: the above three branches with their runtime dependencies ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
2015-10-03ravb: Add support for r8a7795 SoCKazuya Mizuguchi2-8/+62
This patch supports the r8a7795 SoC by: - Using two interrupts + One for E-MAC + One for everything else + Both can be handled by the existing common interrupt handler, which affords a simpler update to support the new SoC. In future some consideration may be given to implementing multiple interrupt handlers - Limiting the phy speed to 100Mbit/s for the new SoC; at this time it is not clear how this restriction may be lifted but I hope it will be possible as more information comes to light Signed-off-by: Kazuya Mizuguchi <kazuya.mizuguchi.ks@renesas.com> [horms: reworked] Signed-off-by: Simon Horman <horms+renesas@verge.net.au> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-10-03ravb: Document binding for r8a7795 SoCKazuya Mizuguchi1-7/+62
This patch updates the ravb binding to support the r8a7795 SoC by: - Adding a compat string for the new hardware - Adding 25 named interrupts to binding for the new SoC; older SoCs continue to use a single multiplexed interrupt The example is also updated to reflect the r8a7795 as this is the more complex case. Based on work by Kazuya Mizuguchi and others. Signed-off-by: Simon Horman <horms+renesas@verge.net.au> Acked-by: Geert Uytterhoeven <geert+renesas@glider.be> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-10-03ravb: Provide dev parameter to DMA APIKazuya Mizuguchi1-19/+19
This patch is in preparation for using this driver on arm64 where the implementation of __dma_alloc_coherent fails if a device parameter is not provided. Signed-off-by: Kazuya Mizuguchi <kazuya.mizuguchi.ks@renesas.com> Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com> Signed-off-by: Masaru Nagai <masaru.nagai.vx@renesas.com> [horms: squashed into a single patch] Signed-off-by: Simon Horman <horms+renesas@verge.net.au> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-10-03phylib: Add phy_set_max_speed helperSimon Horman2-19/+41
Add a helper to allow ethernet drivers to limit the speed of a phy (that they are attached to). This mainly involves factoring out the business-end of of_set_phy_supported() and exporting a new symbol. This code seems to be open coded in several places, in several different variants. It is is envisaged that this will be used in situations where setting the "max-speed" property in DT is not appropriate, e.g. because the maximum speed is not a property of the phy hardware. Signed-off-by: Simon Horman <horms+renesas@verge.net.au> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-10-03Merge branch 'bpf-updates'David S. Miller13-16/+63
Daniel Borkmann says: ==================== BPF updates Some minor updates to {cls,act}_bpf to retrieve routing realms and to make skb->priority writable. Thanks! v1 -> v2: - Dropped preclassify patch for now from the series as the rest is pretty much independent of it - Rest unchanged, only rebased and already posted Acked-by's kept ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
2015-10-03sched, bpf: make skb->priority writableDaniel Borkmann1-2/+7
{cls,act}_bpf can now set the skb->priority from an eBPF program based on various critera, so that for example classful qdiscs like multiq can update the skb's priority during enqueue time and further push it down into subsequent qdiscs. Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Acked-by: Alexei Starovoitov <ast@plumgrid.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-10-03sched, bpf: add helper for retrieving routing realmsDaniel Borkmann5-3/+39
Using routing realms as part of the classifier is quite useful, it can be viewed as a tag for one or multiple routing entries (think of an analogy to net_cls cgroup for processes), set by user space routing daemons or via iproute2 as an indicator for traffic classifiers and later on processed in the eBPF program. Unlike actions, the classifier can inspect device flags and enable netif_keep_dst() if necessary. tc actions don't have that possibility, but in case people know what they are doing, it can be used from there as well (e.g. via devs that must keep dsts by design anyway). If a realm is set, the handler returns the non-zero realm. User space can set the full 32bit realm for the dst. Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Acked-by: Alexei Starovoitov <ast@plumgrid.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-10-03ebpf: migrate bpf_prog's flags to bitfieldDaniel Borkmann11-12/+18
As we need to add further flags to the bpf_prog structure, lets migrate both bools to a bitfield representation. The size of the base structure (excluding insns) remains unchanged at 40 bytes. Add also tags for the kmemchecker, so that it doesn't throw false positives. Even in case gcc would generate suboptimal code, it's not being accessed in performance critical paths. Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Acked-by: Alexei Starovoitov <ast@plumgrid.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-10-03Merge branch 'switchdev-obj'David S. Miller11-160/+199
Jiri Pirko says: ==================== switchdev: bring back switchdev_obj Second version of the patch extends to a patchset. Basically this patchset brings object structure back which disappeared with recent Vivien's patchset. Also it does a bit of naming changes in order to get the things in line. Also, object id is put back into object structure. Thanks to Scott and Vivien for review and suggestions. ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
2015-10-03switchdev: push object ID back to object structureJiri Pirko6-56/+45
Suggested-by: Scott Feldman <sfeldma@gmail.com> Signed-off-by: Jiri Pirko <jiri@mellanox.com> Acked-by: Scott Feldman <sfeldma@gmail.com> Reviewed-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-10-03switchdev: bring back switchdev_obj and use it as a generic object paramJiri Pirko6-62/+109
Replace "void *obj" with a generic structure. Introduce couple of helpers along that. Signed-off-by: Jiri Pirko <jiri@mellanox.com> Acked-by: Scott Feldman <sfeldma@gmail.com> Reviewed-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-10-03switchdev: rename switchdev_obj_fdb to switchdev_obj_port_fdbJiri Pirko5-12/+12
Make the struct name in sync with object id name. Suggested-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com> Signed-off-by: Jiri Pirko <jiri@mellanox.com> Acked-by: Scott Feldman <sfeldma@gmail.com> Reviewed-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-10-03switchdev: rename switchdev_obj_vlan to switchdev_obj_port_vlanJiri Pirko5-12/+12
Make the struct name in sync with object id name. Suggested-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com> Signed-off-by: Jiri Pirko <jiri@mellanox.com> Acked-by: Scott Feldman <sfeldma@gmail.com> Reviewed-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-10-03switchdev: rename SWITCHDEV_ATTR_* enum values to SWITCHDEV_ATTR_ID_*Jiri Pirko9-25/+26
To be aligned with obj. Signed-off-by: Jiri Pirko <jiri@mellanox.com> Acked-by: Scott Feldman <sfeldma@gmail.com> Reviewed-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-10-03switchdev: rename SWITCHDEV_OBJ_* enum values to SWITCHDEV_OBJ_ID_*Jiri Pirko7-35/+37
Suggested-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com> Signed-off-by: Jiri Pirko <jiri@mellanox.com> Acked-by: Scott Feldman <sfeldma@gmail.com> Reviewed-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-10-03Merge branch 'tcp-lockless-listener'David S. Miller20-746/+307
Eric Dumazet says: ==================== tcp/dccp: lockless listener TCP listener refactoring : this is becoming interesting ! This patch series takes the steps to use normal TCP/DCCP ehash table to store SYN_RECV requests, instead of the private per-listener hash table we had until now. SYNACK skb are now attached to their syn_recv request socket, so that we no longer heavily modify listener sk_wmem_alloc. listener lock is no longer held in fast path, including SYNCOOKIE mode. During my tests, my server was able to process 3,500,000 SYN packets per second on one listener and still had available cpu cycles. That is about 2 to 3 order of magnitude what we had with older kernels. This effort started two years ago and I am pleased to reach expectations. We'll probably extend SO_REUSEPORT to add proper cpu/numa affinities, so that heavy duty TCP servers can get proper siloing thanks to multi-queues NIC. ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
2015-10-03tcp: do not lock listener to process SYN packetsEric Dumazet2-4/+18
Everything should now be ready to finally allow SYN packets processing without holding listener lock. Tested: 3.5 Mpps SYNFLOOD. Plenty of cpu cycles available. Next bottleneck is the refcount taken on listener, that could be avoided if we remove SLAB_DESTROY_BY_RCU strict semantic for listeners, and use regular RCU. 13.18% [kernel] [k] __inet_lookup_listener 9.61% [kernel] [k] tcp_conn_request 8.16% [kernel] [k] sha_transform 5.30% [kernel] [k] inet_reqsk_alloc 4.22% [kernel] [k] sock_put 3.74% [kernel] [k] tcp_make_synack 2.88% [kernel] [k] ipt_do_table 2.56% [kernel] [k] memcpy_erms 2.53% [kernel] [k] sock_wfree 2.40% [kernel] [k] tcp_v4_rcv 2.08% [kernel] [k] fib_table_lookup 1.84% [kernel] [k] tcp_openreq_init_rwin Signed-off-by: Eric Dumazet <edumazet@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-10-03tcp/dccp: add a reschedule point in inet_csk_listen_stop()Eric Dumazet1-0/+1
If a listener with thousands of children in accept queue is dismantled, it can take a while to close all of them. Signed-off-by: Eric Dumazet <edumazet@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-10-03tcp: remove max_qlen_logEric Dumazet4-18/+6
This control variable was set at first listen(fd, backlog) call, but not updated if application tried to increase or decrease backlog. It made sense at the time listener had a non resizeable hash table. Also rounding to powers of two was not very friendly. Signed-off-by: Eric Dumazet <edumazet@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-10-03tcp/dccp: remove struct listen_sockEric Dumazet3-76/+11
It is enough to check listener sk_state, no need for an extra condition. max_qlen_log can be moved into struct request_sock_queue We can remove syn_wait_lock and the alignment it enforced. Signed-off-by: Eric Dumazet <edumazet@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-10-03tcp: attach SYNACK messages to request sockets instead of listenerEric Dumazet8-32/+47
If a listen backlog is very big (to avoid syncookies), then the listener sk->sk_wmem_alloc is the main source of false sharing, as we need to touch it twice per SYNACK re-transmit and TX completion. (One SYN packet takes listener lock once, but up to 6 SYNACK are generated) By attaching the skb to the request socket, we remove this source of contention. Tested: listen(fd, 10485760); // single listener (no SO_REUSEPORT) 16 RX/TX queue NIC Sustain a SYNFLOOD attack of ~320,000 SYN per second, Sending ~1,400,000 SYNACK per second. Perf profiles now show listener spinlock being next bottleneck. 20.29% [kernel] [k] queued_spin_lock_slowpath 10.06% [kernel] [k] __inet_lookup_established 5.12% [kernel] [k] reqsk_timer_handler 3.22% [kernel] [k] get_next_timer_interrupt 3.00% [kernel] [k] tcp_make_synack 2.77% [kernel] [k] ipt_do_table 2.70% [kernel] [k] run_timer_softirq 2.50% [kernel] [k] ip_finish_output 2.04% [kernel] [k] cascade Signed-off-by: Eric Dumazet <edumazet@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-10-03ipv6: remove obsolete inet6 functionsEric Dumazet1-9/+0
inet6_csk_search_req() and inet6_csk_reqsk_queue_hash_add() no longer exist. Signed-off-by: Eric Dumazet <edumazet@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-10-03tcp/dccp: shrink struct listen_sockEric Dumazet2-14/+3
We no longer use hash_rnd, nr_table_entries and syn_table[] For a listener with a backlog of 10 millions sockets, this saves 80 MBytes of vmalloced memory. Signed-off-by: Eric Dumazet <edumazet@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-10-03tcp/dccp: install syn_recv requests into ehash tableEric Dumazet15-501/+160
In this patch, we insert request sockets into TCP/DCCP regular ehash table (where ESTABLISHED and TIMEWAIT sockets are) instead of using the per listener hash table. ACK packets find SYN_RECV pseudo sockets without having to find and lock the listener. In nominal conditions, this halves pressure on listener lock. Note that this will allow for SO_REUSEPORT refinements, so that we can select a listener using cpu/numa affinities instead of the prior 'consistent hash', since only SYN packets will apply this selection logic. We will shrink listen_sock in the following patch to ease code review. Signed-off-by: Eric Dumazet <edumazet@google.com> Cc: Ying Cai <ycai@google.com> Cc: Willem de Bruijn <willemb@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-10-03tcp/dccp: remove inet_csk_reqsk_queue_added() timeout argumentEric Dumazet3-4/+3
This is no longer used. Signed-off-by: Eric Dumazet <edumazet@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-10-03tcp: get_openreq[46]() changesEric Dumazet3-8/+8
When request sockets are no longer in a per listener hash table but on regular TCP ehash, we need to access listener uid through req->rsk_listener get_openreq6() also gets a const for its request socket argument. Signed-off-by: Eric Dumazet <edumazet@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-10-03tcp: remove BUG_ON() in tcp_check_req()Eric Dumazet1-2/+0
Once listener is lockless, its sk_state can change anytime. Signed-off-by: Eric Dumazet <edumazet@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-10-03tcp: cleanup tcp_v[46]_inbound_md5_hash()Eric Dumazet2-14/+12
We'll soon have to call tcp_v[46]_inbound_md5_hash() twice. Also add const attribute to the socket, as it might be the unlocked listener for SYN packets. Signed-off-by: Eric Dumazet <edumazet@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-10-03tcp/dccp: init sk_prot and call sk_node_init() in reqsk_alloc()Eric Dumazet1-10/+12
We plan to use generic functions to insert request sockets into ehash table. sk_prot needs to be set (to retrieve sk_prot->h.hashinfo) sk_node needs to be cleared. Signed-off-by: Eric Dumazet <edumazet@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-10-03tcp: call sk_mark_napi_id() on the child, not the listenerEric Dumazet2-2/+2
This fixes a typo : We want to store the NAPI id on child socket. Presumably nobody really uses busy polling, on short lived flows. Fixes: 3d97379a67486 ("tcp: move sk_mark_napi_id() at the right place") Signed-off-by: Eric Dumazet <edumazet@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-10-03tcp: move synflood_warned into struct request_sock_queueEric Dumazet2-5/+4
long term plan is to remove struct listen_sock when its hash table is no longer there. Signed-off-by: Eric Dumazet <edumazet@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-10-03tcp: move qlen/young out of struct listen_sockEric Dumazet4-38/+18
qlen_inc & young_inc were protected by listener lock, while qlen_dec & young_dec were atomic fields. Everything needs to be atomic for upcoming lockless listener. Also move qlen/young in request_sock_queue as we'll get rid of struct listen_sock eventually. Signed-off-by: Eric Dumazet <edumazet@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-10-03tcp: add a spinlock to protect struct request_sock_queueEric Dumazet3-33/+26
struct request_sock_queue fields are currently protected by the listener 'lock' (not a real spinlock) We need to add a private spinlock instead, so that softirq handlers creating children do not have to worry with backlog notion that the listener 'lock' carries. Signed-off-by: Eric Dumazet <edumazet@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-10-02Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/netDavid S. Miller240-1379/+2429
Conflicts: net/dsa/slave.c net/dsa/slave.c simply had overlapping changes. Signed-off-by: David S. Miller <davem@davemloft.net>
2015-10-02Merge tag 'mmc-v4.3-rc3' of git://git.linaro.org/people/ulf.hansson/mmcLinus Torvalds4-62/+67
Pull MMC fixes from Ulf Hansson: "Here are some mmc fixes intended for v4.3 rc4: MMC core: - Allow users of mmc_of_parse() to succeed when CONFIG_GPIOLIB is unset - Prevent infinite loop of re-tuning for CRC-errors for CMD19 and CMD21 MMC host: - pxamci: Fix issues with card detect - sunxi: Fix clk-delay settings" * tag 'mmc-v4.3-rc3' of git://git.linaro.org/people/ulf.hansson/mmc: mmc: core: fix dead loop of mmc_retune mmc: pxamci: fix card detect with slot-gpio API mmc: sunxi: Fix clk-delay settings mmc: core: Don't return an error for CD/WP GPIOs when GPIOLIB is unset
2015-10-02Merge git://git.infradead.org/intel-iommuLinus Torvalds4-57/+77
Pull IOVA fixes from David Woodhouse: "The main fix here is the first one, fixing the over-allocation of size-aligned requests. The other patches simply make the existing IOVA code available to users other than the Intel VT-d driver, with no functional change. I concede the latter really *should* have been submitted during the merge window, but since it's basically risk-free and people are waiting to build on top of it and it's my fault I didn't get it in, I (and they) would be grateful if you'd take it" * git://git.infradead.org/intel-iommu: iommu: Make the iova library a module iommu: iova: Export symbols iommu: iova: Move iova cache management to the iova library iommu/iova: Avoid over-allocating when size-aligned
2015-10-01Merge branch 'akpm' (patches from Andrew)Linus Torvalds15-34/+106
Merge misc fixes from Andrew Morton: "12 fixes" * emailed patches from Andrew Morton <akpm@linux-foundation.org>: dmapool: fix overflow condition in pool_find_page() thermal: avoid division by zero in power allocator memcg: remove pcp_counter_lock kprobes: use _do_fork() in samples to make them work again drivers/input/joystick/Kconfig: zhenhua.c needs BITREVERSE memcg: make mem_cgroup_read_stat() unsigned memcg: fix dirty page migration dax: fix NULL pointer in __dax_pmd_fault() mm: hugetlbfs: skip shared VMAs when unmapping private pages to satisfy a fault mm/slab: fix unexpected index mapping result of kmalloc_size(INDEX_NODE+1) userfaultfd: remove kernel header include from uapi header arch/x86/include/asm/efi.h: fix build failure
2015-10-01Merge tag 'pm+acpi-4.3-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pmLinus Torvalds9-30/+116
Pull power management and ACPI fixes from Rafael Wysocki: "These are fixes mostly, for a few changes made in this cycle (the intel_idle driver, the OPP library, the ACPI EC driver, turbostat) and for some issues that have just been discovered (ACPI PCI IRQ management, PCI power management documentation, turbostat), with a couple of cleanups on top of them. Specifics: - intel_idle driver fixup for the recently added Skylake chips support (Len Brown). - Operating Performance Points (OPP) library fix related to the recently added support for new DT bindings and a fix for a typo in a comment (Viresh Kumar, Stephen Boyd). - ACPI EC driver fix for a recently introduced memory leak in an error code path (Lv Zheng). - ACPI PCI IRQ management fix for the issue where an ISA IRQ is shared with a PCI device which requires it to be configured in a different way and may cause an interrupt storm to happen as a result with an extra ACPI SCI IRQ handling simplification on top of it (Jiang Liu). - Update of the PCI power management documentation that became outdated and started to actively confuse the readers to make it actually reflect the code (Rafael J Wysocki). - turbostat fixes including an IVB Xeon regression fix (related to the --debug command line option), Skylake adjustment for the TSC running at a frequency that doesn't match the base one exactly, and a Knights Landing quirk to account for the fact that it only updates APERF and MPERF every 1024 clock cycles plus bumping up the turbostat version number (Len Brown, Hubert Chrzaniuk)" * tag 'pm+acpi-4.3-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: tools/power turbosat: update version number tools/power turbostat: SKL: Adjust for TSC difference from base frequency tools/power turbostat: KNL workaround for %Busy and Avg_MHz tools/power turbostat: IVB Xeon: fix --debug regression ACPI / PCI: Remove duplicated penalty on SCI IRQ ACPI, PCI, irq: Do not share PCI IRQ with ISA IRQ ACPI / EC: Fix a memory leak issue in acpi_ec_query() PM / OPP: Fix typo modifcation -> modification PCI / PM: Update runtime PM documentation for PCI devices PM / OPP: of_property_count_u32_elems() can return errors intel_idle: Skylake Client Support - updated