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2017-02-09PCI/AER: Remove unused .link_reset() callbackMichael S. Tsirkin
No hardware seems to actually call .link_reset(), and no driver implements it as more than a nop stub. Drop mentions of the callback from everywhere. It's dropped from the documentation as well, but the doc really needs to be updated to reflect reality better (e.g., on PCIe, slot reset is the link reset). This will be done in a later patch. Signed-off-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
2017-02-09sctp: implement sender-side procedures for Add Incoming/Outgoing Streams ↵Xin Long
Request Parameter This patch is to implement Sender-Side Procedures for the Add Outgoing and Incoming Streams Request Parameter described in rfc6525 section 5.1.5-5.1.6. It is also to add sockopt SCTP_ADD_STREAMS in rfc6525 section 6.3.4 for users. Signed-off-by: Xin Long <lucien.xin@gmail.com> Acked-by: Marcelo Ricardo Leitner <marcelo.leitner@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-02-09sctp: add support for generating stream reconf add incoming/outgoing streams ↵Xin Long
request chunk This patch is to define Add Incoming/Outgoing Streams Request Parameter described in rfc6525 section 4.5 and 4.6. They can be in one same chunk trunk as rfc6525 section 3.1-7 describes, so make them in one function. Signed-off-by: Xin Long <lucien.xin@gmail.com> Acked-by: Marcelo Ricardo Leitner <marcelo.leitner@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-02-09sctp: implement sender-side procedures for SSN/TSN Reset Request ParameterXin Long
This patch is to implement Sender-Side Procedures for the SSN/TSN Reset Request Parameter descibed in rfc6525 section 5.1.4. It is also to add sockopt SCTP_RESET_ASSOC in rfc6525 section 6.3.3 for users. Signed-off-by: Xin Long <lucien.xin@gmail.com> Acked-by: Marcelo Ricardo Leitner <marcelo.leitner@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-02-09sctp: add support for generating stream reconf ssn/tsn reset request chunkXin Long
This patch is to define SSN/TSN Reset Request Parameter described in rfc6525 section 4.3. Signed-off-by: Xin Long <lucien.xin@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-02-09sctp: drop unnecessary __packed from some stream reconf structuresXin Long
commit 85c727b59483 ("sctp: drop __packed from almost all SCTP structures") has removed __packed from almost all SCTP structures. But there still are three structures where it should be dropped. This patch is to remove it from some stream reconf structures. Signed-off-by: Xin Long <lucien.xin@gmail.com> Acked-by: Marcelo Ricardo Leitner <marcelo.leitner@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-02-09Merge OPP material for v4.11 to satisfy dependencies.Rafael J. Wysocki
2017-02-09PM / OPP: Expose _of_get_opp_desc_node as dev_pm_opp APIDave Gerlach
Rename _of_get_opp_desc_node to dev_pm_opp_of_get_opp_desc_node and add it to include/linux/pm_opp.h to allow other drivers, such as platform OPP and cpufreq drivers, to make use of it. Acked-by: Viresh Kumar <viresh.kumar@linaro.org> Signed-off-by: Dave Gerlach <d-gerlach@ti.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2017-02-09module.h: remove extable.h include now users have migratedPaul Gortmaker
With hopefully most/all users of module.h that were looking for exception table functions moved over to the new extable.h header, we can remove the back-compat include that let us transition without introducing build regressions. Cc: Rusty Russell <rusty@rustcorp.com.au> Acked-by: Rusty Russell <rusty@rustcorp.com.au> Acked-by: Jessica Yu <jeyu@redhat.com> Cc: Andrew Morton <akpm@linux-foundation.org> Cc: Linus Torvalds <torvalds@linux-foundation.org> Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
2017-02-09Merge git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pendingLinus Torvalds
Pull SCSI target fixes from Nicholas Bellinger: "This target series for v4.10 contains fixes which address a few long-standing bugs that DATERA's QA + automation teams have uncovered while putting v4.1.y target code into production usage. We've been running the top three in our nightly automated regression runs for the last two months, and the COMPARE_AND_WRITE fix Mr. Gary Guo has been manually verifying against a four node ESX cluster this past week. Note all of them have CC' stable tags. Summary: - Fix a bug with ESX EXTENDED_COPY + SAM_STAT_RESERVATION_CONFLICT status, where target_core_xcopy.c logic was incorrectly returning SAM_STAT_CHECK_CONDITION for all non SAM_STAT_GOOD cases (Nixon Vincent) - Fix a TMR LUN_RESET hung task bug while other in-flight TMRs are being aborted, before the new one had been dispatched into tmr_wq (Rob Millner) - Fix a long standing double free OOPs, where a dynamically generated 'demo-mode' NodeACL has multiple sessions associated with it, and the /sys/kernel/config/target/$FABRIC/$WWN/ subsequently disables demo-mode, but never converts the dynamic ACL into a explicit ACL (Rob Millner) - Fix a long standing reference leak with ESX VAAI COMPARE_AND_WRITE when the second phase WRITE COMMIT command fails, resulting in CHECK_CONDITION response never being sent and se_cmd->cmd_kref never reaching zero (Gary Guo) Beyond these items on v4.1.y we've reproduced, fixed, and run through our regression test suite using iscsi-target exports, there are two additional outstanding list items: - Remove a >= v4.2 RCU conversion BUG_ON that would trigger when dynamic node NodeACLs where being converted to explicit NodeACLs. The patch drops the BUG_ON to follow how pre RCU conversion worked for this special case (Benjamin Estrabaud) - Add ibmvscsis target_core_fabric_ops->max_data_sg_nent assignment to match what IBM's Virtual SCSI hypervisor is already enforcing at transport layer. (Bryant Ly + Steven Royer)" * git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending: ibmvscsis: Add SGL limit target: Fix COMPARE_AND_WRITE ref leak for non GOOD status target: Fix multi-session dynamic se_node_acl double free OOPs target: Fix early transport_generic_handle_tmr abort scenario target: Use correct SCSI status during EXTENDED_COPY exception target: Don't BUG_ON during NodeACL dynamic -> explicit conversion
2017-02-09Input: psmouse - add a custom serio protocol to send extra informationBenjamin Tissoires
The tracksticks on the Lenovo thinkpads have their buttons connected through the touchpad device. We already fixed that in synaptics.c, but when we switch the device into RMI4 mode to have proper support, the pass-through functionality can't deal with them easily. We add a new PS/2 flag and protocol designed for psmouse. The RMI4 F03 pass-through can then emit a special set of commands to notify psmouse the state of the buttons. This patch implements the protocol in psmouse, while an other will do the same for rmi4-f03. Signed-off-by: Benjamin Tissoires <benjamin.tissoires@redhat.com> Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2017-02-09xen: modify xenstore watch event interfaceJuergen Gross
Today a Xenstore watch event is delivered via a callback function declared as: void (*callback)(struct xenbus_watch *, const char **vec, unsigned int len); As all watch events only ever come with two parameters (path and token) changing the prototype to: void (*callback)(struct xenbus_watch *, const char *path, const char *token); is the natural thing to do. Apply this change and adapt all users. Cc: konrad.wilk@oracle.com Cc: roger.pau@citrix.com Cc: wei.liu2@citrix.com Cc: paul.durrant@citrix.com Cc: netdev@vger.kernel.org Signed-off-by: Juergen Gross <jgross@suse.com> Reviewed-by: Paul Durrant <paul.durrant@citrix.com> Reviewed-by: Wei Liu <wei.liu2@citrix.com> Reviewed-by: Roger Pau Monné <roger.pau@citrix.com> Reviewed-by: Boris Ostrovsky <boris.ostrovsky@oracle.com> Signed-off-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>
2017-02-09xen: clean up xenbus internal headersJuergen Gross
The xenbus driver has an awful mixture of internally and globally visible headers: some of the internally used only stuff is defined in the global header include/xen/xenbus.h while some stuff defined in internal headers is used by other drivers, too. Clean this up by moving the externally used symbols to include/xen/xenbus.h and the symbols used internally only to a new header drivers/xen/xenbus/xenbus.h replacing xenbus_comms.h and xenbus_probe.h Signed-off-by: Juergen Gross <jgross@suse.com> Reviewed-by: Boris Ostrovsky <boris.ostrovsky@oracle.com> Signed-off-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>
2017-02-09of: make of_device_make_bus_id() staticFrank Rowand
of_device_make_bus_id() was changed to non-static by commit c66012253800 ("of/device: Make of_device_make_bus_id() usable by other code") more than 6 years ago, but there are no users of it outside of platform.c. Make the function static again. Signed-off-by: Frank Rowand <frank.rowand@am.sony.com> Signed-off-by: Rob Herring <robh@kernel.org>
2017-02-09PCI: Disable MSI for HiSilicon Hip06/Hip07 Root PortsDongdong Liu
The PCIe Root Port in Hip06/Hip07 SoCs advertises an MSI capability, but it cannot generate MSIs. It can transfer MSI/MSI-X from downstream devices, but does not support MSI/MSI-X itself. Add a quirk to prevent use of MSI/MSI-X by the Root Port. [bhelgaas: changelog, sort vendor ID #define, drop device ID #define] Signed-off-by: Dongdong Liu <liudongdong3@huawei.com> Signed-off-by: Bjorn Helgaas <bhelgaas@google.com> Reviewed-by: Gabriele Paoloni <gabriele.paoloni@huawei.com> Reviewed-by: Zhou Wang <wangzhou1@hisilicon.com>
2017-02-09Merge tag 'kvmarm-for-4.11' of ↵Paolo Bonzini
git://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm into HEAD kvmarm updates for 4.11 - GICv3 save restore - Cache flushing fixes - MSI injection fix for GICv3 ITS - Physical timer emulation support
2017-02-09cfg80211: fix NAN bands definitionLuca Coelho
The nl80211_nan_dual_band_conf enumeration doesn't make much sense. The default value is assigned to a bit, which makes it weird if the default bit and other bits are set at the same time. To improve this, get rid of NL80211_NAN_BAND_DEFAULT and add a wiphy configuration to let the drivers define which bands are supported. This is exposed to the userspace, which then can make a decision on which band(s) to use. Additionally, rename all "dual_band" elements to "bands", to make things clearer. Signed-off-by: Luca Coelho <luciano.coelho@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2017-02-09ACPICA: Update version to 20170119Bob Moore
ACPICA commit 711a8c19d3c646fdc069c38912d9037c7fa5e718 Version 20170119. Link: https://github.com/acpica/acpica/commit/711a8c19 Signed-off-by: Bob Moore <robert.moore@intel.com> Signed-off-by: Lv Zheng <lv.zheng@intel.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2017-02-09ACPICA: Source tree: Update copyright notices to 2017Bob Moore
ACPICA commit 16577e5265923f4999b4d2c0addb2343b18135e1 Affects all files. Link: https://github.com/acpica/acpica/commit/16577e52 Signed-off-by: Bob Moore <robert.moore@intel.com> Signed-off-by: Lv Zheng <lv.zheng@intel.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2017-02-09ACPICA: Linuxize: Restore and fix Intel compiler buildLv Zheng
ACPICA commit b59347d0b8b676cb555fe8da5cad08fcd4eeb0d3 The following commit cleans up compiler specific inclusions: Commit: 9fa1cebdbfff3db8953cebca8ee327d75edefc40 Subject: ACPICA: OSL: Cleanup the inclusion order of the compiler-specific headers But breaks one thing due to the following old issue: Buidling Linux kernel with Intel compiler originally depends on acgcc.h not acintel.h. So after making Intel compiler build working in ACPICA upstream by correctly using acintel.h, it becomes unable to build Linux kernel using Intel compiler as there is no acintel.h in the kernel source tree. This patch releases acintel.h to Linux kernel and fixes its inclusion in acenv.h. Fixes: 9fa1cebdbfff (ACPICA: OSL: Cleanup the inclusion order of the compiler-specific headers) Link: https://github.com/acpica/acpica/commit/b59347d0 Cc: 4.9+ <stable@vger.kernel.org> # 4.9+ Tested-by: Stepan M Mishura <stepan.m.mishura@intel.com> Signed-off-by: Lv Zheng <lv.zheng@intel.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2017-02-09PM / Domains: Provide dummy governors if CONFIG_PM_GENERIC_DOMAINS=nGeert Uytterhoeven
This allows to compile-test drivers that refer to governors (always by reference) when CONFIG_PM_GENERIC_DOMAINS=n. Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be> Acked-by: Ulf Hansson <ulf.hansson@linaro.org> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2017-02-09xfrm: policy: remove family fieldFlorian Westphal
Only needed it to register the policy backend at init time. Signed-off-by: Florian Westphal <fw@strlen.de> Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
2017-02-09xfrm: policy: remove garbage_collect callbackFlorian Westphal
Just call xfrm_garbage_collect_deferred() directly. This gets rid of a write to afinfo in register/unregister and allows to constify afinfo later on. Signed-off-by: Florian Westphal <fw@strlen.de> Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
2017-02-09xfrm: policy: xfrm_policy_unregister_afinfo can return voidFlorian Westphal
Nothing checks the return value. Also, the errors returned on unregister are impossible (we only support INET and INET6, so no way xfrm_policy_afinfo[afinfo->family] can be anything other than 'afinfo' itself). Signed-off-by: Florian Westphal <fw@strlen.de> Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
2017-02-09xfrm: input: constify xfrm_input_afinfoFlorian Westphal
Nothing writes to these structures (the module owner was not used). While at it, size xfrm_input_afinfo[] by the highest existing xfrm family (INET6), not AF_MAX. Signed-off-by: Florian Westphal <fw@strlen.de> Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
2017-02-08cpumask: use nr_cpumask_bits for parsing functionsTejun Heo
Commit 513e3d2d11c9 ("cpumask: always use nr_cpu_ids in formatting and parsing functions") converted both cpumask printing and parsing functions to use nr_cpu_ids instead of nr_cpumask_bits. While this was okay for the printing functions as it just picked one of the two output formats that we were alternating between depending on a kernel config, doing the same for parsing wasn't okay. nr_cpumask_bits can be either nr_cpu_ids or NR_CPUS. We can always use nr_cpu_ids but that is a variable while NR_CPUS is a constant, so it can be more efficient to use NR_CPUS when we can get away with it. Converting the printing functions to nr_cpu_ids makes sense because it affects how the masks get presented to userspace and doesn't break anything; however, using nr_cpu_ids for parsing functions can incorrectly leave the higher bits uninitialized while reading in these masks from userland. As all testing and comparison functions use nr_cpumask_bits which can be larger than nr_cpu_ids, the parsed cpumasks can erroneously yield false negative results. This made the taskstats interface incorrectly return -EINVAL even when the inputs were correct. Fix it by restoring the parse functions to use nr_cpumask_bits instead of nr_cpu_ids. Link: http://lkml.kernel.org/r/20170206182442.GB31078@htj.duckdns.org Fixes: 513e3d2d11c9 ("cpumask: always use nr_cpu_ids in formatting and parsing functions") Signed-off-by: Tejun Heo <tj@kernel.org> Reported-by: Martin Steigerwald <martin.steigerwald@teamix.de> Debugged-by: Ben Hutchings <ben.hutchings@codethink.co.uk> Cc: <stable@vger.kernel.org> [4.0+] Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2017-02-08mm: avoid returning VM_FAULT_RETRY from ->page_mkwrite handlersJan Kara
Some ->page_mkwrite handlers may return VM_FAULT_RETRY as its return code (GFS2 or Lustre can definitely do this). However VM_FAULT_RETRY from ->page_mkwrite is completely unhandled by the mm code and results in locking and writeably mapping the page which definitely is not what the caller wanted. Fix Lustre and block_page_mkwrite_ret() used by other filesystems (notably GFS2) to return VM_FAULT_NOPAGE instead which results in bailing out from the fault code, the CPU then retries the access, and we fault again effectively doing what the handler wanted. Link: http://lkml.kernel.org/r/20170203150729.15863-1-jack@suse.cz Signed-off-by: Jan Kara <jack@suse.cz> Reported-by: Al Viro <viro@ZenIV.linux.org.uk> Reviewed-by: Jinshan Xiong <jinshan.xiong@intel.com> Cc: Matthew Wilcox <willy@infradead.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2017-02-08Merge tag 'nand/for-4.11' of github.com:linux-nand/linuxBrian Norris
From Boris: """ This pull request contains minor fixes/improvements on existing drivers: - sunxi: avoid busy-waiting for NAND events - ifc: fix ECC handling on IFC v1.0 - OX820: add explicit dependency on ARCH_OXNAS in Kconfig - core: add a new manufacture ID and fix a kernel-doc warning - fsmc: kill pdata support - lpc32xx_slc: remove unneeded NULL check """ Conflicts: include/linux/mtd/nand.h [Brian: trivial conflict in the comment section]
2017-02-08mtd: nand: Add max_bb_per_die and blocks_per_die fields to nand_chipZach Brown
The fields max_bb_per_die and blocks_per_die are useful determining the number of bad blocks a MTD needs to allocate. How they are set will depend on if the chip is ONFI, JEDEC or a full-id entry in the nand_ids table. Signed-off-by: Zach Brown <zach.brown@ni.com> Acked-by: Boris Brezillon <boris.brezillon@free-electron.com> Acked-by: Brian Norris <computersforpeace@gmail.com> Signed-off-by: Brian Norris <computersforpeace@gmail.com>
2017-02-08mtd: introduce function max_bad_blocksJeff Westfahl
If implemented, 'max_bad_blocks' returns the maximum number of bad blocks to reserve for a MTD. An implementation for NAND is coming soon. Signed-off-by: Jeff Westfahl <jeff.westfahl@ni.com> Signed-off-by: Zach Brown <zach.brown@ni.com> Acked-by: Boris Brezillon <boris.brezillon@free-electron.com> Acked-by: Brian Norris <computersforpeace@gmail.com> Signed-off-by: Brian Norris <computersforpeace@gmail.com>
2017-02-08nvme: support ranged discard requestsChristoph Hellwig
NVMe supports up to 256 ranges per DSM command, so wire up support for ranged discards up to that limit. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Jens Axboe <axboe@fb.com>
2017-02-08block: optionally merge discontiguous discard bios into a single requestChristoph Hellwig
Add a new merge strategy that merges discard bios into a request until the maximum number of discard ranges (or the maximum discard size) is reached from the plug merging code. I/O scheduler merging is not wired up yet but might also be useful, although not for fast devices like NVMe which are the only user for now. Note that for now we don't support limiting the size of each discard range, but if needed that can be added later. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Jens Axboe <axboe@fb.com>
2017-02-08block: enumify ELEVATOR_*_MERGEChristoph Hellwig
Switch these constants to an enum, and make let the compiler ensure that all callers of blk_try_merge and elv_merge handle all potential values. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Jens Axboe <axboe@fb.com>
2017-02-08ipv4: fib: Notify about nexthop status changesIdo Schimmel
When a multipath route is hit the kernel doesn't consider nexthops that are DEAD or LINKDOWN when IN_DEV_IGNORE_ROUTES_WITH_LINKDOWN is set. Devices that offload multipath routes need to be made aware of nexthop status changes. Otherwise, the device will keep forwarding packets to non-functional nexthops. Add the FIB_EVENT_NH_{ADD,DEL} events to the fib notification chain, which notify capable devices when they should add or delete a nexthop from their tables. Cc: Roopa Prabhu <roopa@cumulusnetworks.com> Cc: David Ahern <dsa@cumulusnetworks.com> Cc: Andy Gospodarek <andy@greyhouse.net> Signed-off-by: Ido Schimmel <idosch@mellanox.com> Signed-off-by: Jiri Pirko <jiri@mellanox.com> Reviewed-by: Andy Gospodarek <gospo@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-02-08net: stmmac: Remove the bus_setup function pointerLABBE Corentin
The bus_setup function pointer is not used at all, this patch remove it. Signed-off-by: Corentin Labbe <clabbe.montjoie@gmail.com> Acked-by: Giuseppe Cavallaro <peppe.cavallaro@st.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-02-08gro_cells: move to net/core/gro_cells.cEric Dumazet
We have many gro cells users, so lets move the code to avoid duplication. This creates a CONFIG_GRO_CELLS option. Signed-off-by: Eric Dumazet <edumazet@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-02-08perf: add qcom l2 cache perf events driverNeil Leeder
Adds perf events support for L2 cache PMU. The L2 cache PMU driver is named 'l2cache_0' and can be used with perf events to profile L2 events such as cache hits and misses on Qualcomm Technologies processors. Reviewed-by: Mark Rutland <mark.rutland@arm.com> Signed-off-by: Neil Leeder <nleeder@codeaurora.org> [will: minimise nesting in l2_cache_associate_cpu_with_cluster] [will: use kstrtoul for unsigned long, remove redunant .owner setting] Signed-off-by: Will Deacon <will.deacon@arm.com>
2017-02-08mtd: bcm47xxsflash: use platform_(set|get)_drvdataRafał Miłecki
We have generic place & helpers for storing platform driver data so there is no reason for using custom priv pointer. This allows cleaning up struct bcma_sflash from unneeded fields. Signed-off-by: Rafał Miłecki <rafal@milecki.pl> Acked-by: Kalle Valo <kvalo@codeaurora.org> Acked-by: Boris Brezillon <boris.brezillon@free-electrons.com> Signed-off-by: Brian Norris <computersforpeace@gmail.com>
2017-02-08net: introduce device min_header_lenWillem de Bruijn
The stack must not pass packets to device drivers that are shorter than the minimum link layer header length. Previously, packet sockets would drop packets smaller than or equal to dev->hard_header_len, but this has false positives. Zero length payload is used over Ethernet. Other link layer protocols support variable length headers. Support for validation of these protocols removed the min length check for all protocols. Introduce an explicit dev->min_header_len parameter and drop all packets below this value. Initially, set it to non-zero only for Ethernet and loopback. Other protocols can follow in a patch to net-next. Fixes: 9ed988cd5915 ("packet: validate variable length ll headers") Reported-by: Sowmini Varadhan <sowmini.varadhan@oracle.com> Signed-off-by: Willem de Bruijn <willemb@google.com> Acked-by: Eric Dumazet <edumazet@google.com> Acked-by: Sowmini Varadhan <sowmini.varadhan@oracle.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-02-08net: phy: Add LED mode driver for Microsemi PHYs.Raju Lakkaraju
LED Mode: Microsemi PHY support 2 LEDs (LED[0] and LED[1]) to display different status information that can be selected by setting LED mode. LED Mode parameter (vsc8531, led-0-mode) and (vsc8531, led-1-mode) get from Device Tree. Signed-off-by: Raju Lakkaraju <Raju.Lakkaraju@microsemi.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-02-08lwtunnel: valid encap attr check should return 0 when lwtunnel is disabledDavid Ahern
An error was reported upgrading to 4.9.8: root@Typhoon:~# ip route add default table 210 nexthop dev eth0 via 10.68.64.1 weight 1 nexthop dev eth0 via 10.68.64.2 weight 1 RTNETLINK answers: Operation not supported The problem occurs when CONFIG_LWTUNNEL is not enabled and a multipath route is submitted. The point of lwtunnel_valid_encap_type_attr is catch modules that need to be loaded before any references are taken with rntl held. With CONFIG_LWTUNNEL disabled, there will be no modules to load so the lwtunnel_valid_encap_type_attr stub should just return 0. Fixes: 9ed59592e3e3 ("lwtunnel: fix autoload of lwt modules") Reported-by: pupilla@libero.it Signed-off-by: David Ahern <dsa@cumulusnetworks.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-02-08RDMA: Don't reference kernel private header from UAPI headerLeon Romanovsky
Remove references to private kernel header and defines from exported ib_user_verb.h file. The code snippet below is used to reproduce the issue: #include <stdio.h> #include <rdma/ib_user_verb.h> int main(void) { printf("IB_USER_VERBS_ABI_VERSION = %d\n", IB_USER_VERBS_ABI_VERSION); return 0; } It fails during compilation phase with an error: ➜ /tmp gcc main.c main.c:2:31: fatal error: rdma/ib_user_verb.h: No such file or directory #include <rdma/ib_user_verb.h> ^ compilation terminated. Fixes: 189aba99e700 ("IB/uverbs: Extend modify_qp and support packet pacing") CC: Bodong Wang <bodong@mellanox.com> CC: Matan Barak <matanb@mellanox.com> CC: Christoph Hellwig <hch@infradead.org> Tested-by: Slava Shwartsman <slavash@mellanox.com> Signed-off-by: Leon Romanovsky <leon@kernel.org> Signed-off-by: Doug Ledford <dledford@redhat.com>
2017-02-08target: Fix multi-session dynamic se_node_acl double free OOPsNicholas Bellinger
This patch addresses a long-standing bug with multi-session (eg: iscsi-target + iser-target) se_node_acl dynamic free withini transport_deregister_session(). This bug is caused when a storage endpoint is configured with demo-mode (generate_node_acls = 1 + cache_dynamic_acls = 1) initiators, and initiator login creates a new dynamic node acl and attaches two sessions to it. After that, demo-mode for the storage instance is disabled via configfs (generate_node_acls = 0 + cache_dynamic_acls = 0) and the existing dynamic acl is never converted to an explicit ACL. The end result is dynamic acl resources are released twice when the sessions are shutdown in transport_deregister_session(). If the storage instance is not changed to disable demo-mode, or the dynamic acl is converted to an explict ACL, or there is only a single session associated with the dynamic ACL, the bug is not triggered. To address this big, move the release of dynamic se_node_acl memory into target_complete_nacl() so it's only freed once when se_node_acl->acl_kref reaches zero. (Drop unnecessary list_del_init usage - HCH) Reported-by: Rob Millner <rlm@daterainc.com> Tested-by: Rob Millner <rlm@daterainc.com> Cc: Rob Millner <rlm@daterainc.com> Cc: stable@vger.kernel.org # 4.1+ Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
2017-02-08KVM: arm/arm64: Emulate the EL1 phys timer registersJintack Lim
Emulate read and write operations to CNTP_TVAL, CNTP_CVAL and CNTP_CTL. Now VMs are able to use the EL1 physical timer. Signed-off-by: Jintack Lim <jintack@cs.columbia.edu> Reviewed-by: Christoffer Dall <christoffer.dall@linaro.org> Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
2017-02-08KVM: arm/arm64: Initialize the emulated EL1 physical timerJintack Lim
Initialize the emulated EL1 physical timer with the default irq number. Signed-off-by: Jintack Lim <jintack@cs.columbia.edu> Reviewed-by: Christoffer Dall <christoffer.dall@linaro.org> Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
2017-02-08KVM: arm/arm64: Add the EL1 physical timer contextJintack Lim
Add the EL1 physical timer context. Signed-off-by: Jintack Lim <jintack@cs.columbia.edu> Acked-by: Christoffer Dall <christoffer.dall@linaro.org> Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
2017-02-08KVM: arm/arm64: Decouple kvm timer functions from virtual timerJintack Lim
Now that we have a separate structure for timer context, make functions generic so that they can work with any timer context, not just the virtual timer context. This does not change the virtual timer functionality. Signed-off-by: Jintack Lim <jintack@cs.columbia.edu> Acked-by: Marc Zyngier <marc.zyngier@arm.com> Acked-by: Christoffer Dall <christoffer.dall@linaro.org> Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
2017-02-08KVM: arm/arm64: Move cntvoff to each timer contextJintack Lim
Make cntvoff per each timer context. This is helpful to abstract kvm timer functions to work with timer context without considering timer types (e.g. physical timer or virtual timer). This also would pave the way for ever doing adjustments of the cntvoff on a per-CPU basis if that should ever make sense. Signed-off-by: Jintack Lim <jintack@cs.columbia.edu> Signed-off-by: Christoffer Dall <christoffer.dall@linaro.org> Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
2017-02-08KVM: arm/arm64: Abstract virtual timer context into separate structureJintack Lim
Abstract virtual timer context into a separate structure and change all callers referring to timer registers, irq state and so on. No change in functionality. This is about to become very handy when adding the EL1 physical timer. Signed-off-by: Jintack Lim <jintack@cs.columbia.edu> Acked-by: Christoffer Dall <christoffer.dall@linaro.org> Acked-by: Marc Zyngier <marc.zyngier@arm.com> Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
2017-02-08ARM: smccc: Update HVC comment to describe new quirk parameterWill Deacon
Commit 680a0873e193 ("arm: kernel: Add SMC structure parameter") added a new "quirk" parameter to the SMC and HVC SMCCC backends, but only updated the comment for the SMC version. This patch adds the new paramater to the comment describing the HVC version too. Signed-off-by: Will Deacon <will.deacon@arm.com>
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