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2019-11-25Merge branch 'ib-guids' into rdma.git for-nextJason Gunthorpe5-1/+32
Danit Goldberg says: ==================== This series extends RTNETLINK to provide IB port and node GUIDs, which were configured for Infiniband VFs. The functionality to set VF GUIDs already existed for a long time, and here we are adding the missing "get" so that netlink will be symmetric and various cloud orchestration tools will be able to manage such VFs more naturally. The iproute2 was extended too to present those GUIDs. - ip link show <device> For example: - ip link set ib4 vf 0 node_guid 22:44:33:00:33:11:00:33 - ip link set ib4 vf 0 port_guid 10:21:33:12:00:11:22:10 - ip link show ib4 ib4: <BROADCAST,MULTICAST> mtu 4092 qdisc noop state DOWN mode DEFAULT group default qlen 256 link/infiniband 00:00:0a:2d:fe:80:00:00:00:00:00:00:ec:0d:9a:03:00:44:36:8d brd 00:ff:ff:ff:ff:12:40:1b:ff:ff:00:00:00:00:00:00:ff:ff:ff:ff vf 0 link/infiniband 00:00:0a:2d:fe:80:00:00:00:00:00:00:ec:0d:9a:03:00:44:36:8d brd 00:ff:ff:ff:ff:12:40:1b:ff:ff:00:00:00:00:00:00:ff:ff:ff:ff, spoof checking off, NODE_GUID 22:44:33:00:33:11:00:33, PORT_GUID 10:21:33:12:00:11:22:10, link-state disable, trust off, query_rss off ==================== Based on the mlx5-next branch from git://git.kernel.org/pub/scm/linux/kernel/git/mellanox/linux for dependencies * branch 'ib-guids': (35 commits) IB/mlx5: Implement callbacks for getting VFs GUID attributes IB/ipoib: Add ndo operation for getting VFs GUID attributes IB/core: Add interfaces to get VF node and port GUIDs net/core: Add support for getting VF GUIDs net/mlx5: Add new chain for netfilter flow table offload net/mlx5: Refactor creating fast path prio chains net/mlx5: Accumulate levels for chains prio namespaces net/mlx5: Define fdb tc levels per prio net/mlx5: Rename FDB_* tc related defines to FDB_TC_* defines net/mlx5: Simplify fdb chain and prio eswitch defines IB/mlx5: Load profile according to RoCE enablement state IB/mlx5: Rename profile and init methods net/mlx5: Handle "enable_roce" devlink param net/mlx5: Document flow_steering_mode devlink param devlink: Add new "enable_roce" generic device param net/mlx5: fix spelling mistake "metdata" -> "metadata" net/mlx5: fix kvfree of uninitialized pointer spec IB/mlx5: Introduce and use mlx5_core_is_vf() net/mlx5: E-switch, Enable metadata on own vport net/mlx5: Refactor ingress acl configuration ... Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
2019-11-22IB/core: Add interfaces to get VF node and port GUIDsDanit Goldberg1-0/+6
Provide ability to get node and port GUIDs of VFs to be symmetrical to already existing set option. Signed-off-by: Danit Goldberg <danitg@mellanox.com> Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
2019-11-22net/core: Add support for getting VF GUIDsDanit Goldberg1-0/+4
Introduce a new ndo: ndo_get_vf_guid, to get from the net device the port and node GUID. New applications can choose to use this interface to show GUIDs with iproute2 with commands such as: - ip link show ib4 ib4: <BROADCAST,MULTICAST> mtu 4092 qdisc noop state DOWN mode DEFAULT group default qlen 256 link/infiniband 00:00:0a:2d:fe:80:00:00:00:00:00:00:ec:0d:9a:03:00:44:36:8d brd 00:ff:ff:ff:ff:12:40:1b:ff:ff:00:00:00:00:00:00:ff:ff:ff:ff vf 0 link/infiniband 00:00:0a:2d:fe:80:00:00:00:00:00:00:ec:0d:9a:03:00:44:36:8d brd 00:ff:ff:ff:ff:12:40:1b:ff:ff:00:00:00:00:00:00:ff:ff:ff:ff, spoof checking off, NODE_GUID 22:44:33:00:33:11:00:33, PORT_GUID 10:21:33:12:00:11:22:10, link-state disable, trust off, query_rss off Signed-off-by: Danit Goldberg <danitg@mellanox.com> Acked-by: David Ahern <dsahern@gmail.com> Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
2019-11-17IB/umem: remove the dmasync argument to ib_umem_getChristoph Hellwig1-2/+2
The argument is always ignored, so remove it. Link: https://lore.kernel.org/r/20191113073214.9514-3-hch@lst.de Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Jason Gunthorpe <jgg@mellanox.com> Acked-by: Michal Kalderon <michal.kalderon@marvell.com> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
2019-11-14dma-mapping: remove the DMA_ATTR_WRITE_BARRIER flagChristoph Hellwig1-4/+1
This flag is not implemented by any backend and only set by the ib_umem module in a single instance. Link: https://lore.kernel.org/r/20191113073214.9514-2-hch@lst.de Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Jason Gunthorpe <jgg@mellanox.com> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
2019-11-14net/mlx5: Add new chain for netfilter flow table offloadPaul Blakey1-1/+2
Netfilter tables (nftables) implements a software datapath that comes after tc ingress datapath. The datapath supports offloading such rules via the flow table offload API. This API is currently only used by NFT and it doesn't provide the global priority in regards to tc offload, so we assume offloading such rules must come after tc. It does provide a flow table priority parameter, so we need to provide some supported priority range. For that, split fastpath prio to two, flow table offload and tc offload, with one dedicated priority chain for flow table offload. Next patch will re-use the multi chain API to access this chain by allowing access to this chain by the fdb_sub_namespace. Signed-off-by: Paul Blakey <paulb@mellanox.com> Reviewed-by: Mark Bloch <markb@mellanox.com> Acked-by: Pablo Neira Ayuso <pablo@netfilter.org> Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
2019-11-13IB/mlx5: Support flow counters offset for bulk countersYevgeny Kliteynik1-0/+1
Add support for flow steering counters action with a non-base counter ID (offset) for bulk counters. When creating a flow counter object, save the bulk value. This value is used when a flow action with a non-base counter ID is requested - to validate that the required offset is in the range of the allocated bulk. Link: https://lore.kernel.org/r/20191103140723.77411-1-leon@kernel.org Signed-off-by: Yevgeny Kliteynik <kliteyn@mellanox.com> Signed-off-by: Leon Romanovsky <leonro@mellanox.com> Reviewed-by: Mark Bloch <markb@mellanox.com> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
2019-11-13RDMA: Change MAD processing function to remove extra casting and parameterLeon Romanovsky1-4/+3
All users of process_mad() converts input pointers from ib_mad_hdr to be ib_mad, update the function declaration to use ib_mad directly. Also remove not used input MAD size parameter. Link: https://lore.kernel.org/r/20191029062745.7932-17-leon@kernel.org Signed-off-by: Leon Romanovsky <leonro@mellanox.com> Tested-By: Mike Marciniszyn <mike.marciniszyn@intel.com> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
2019-11-11net/mlx5: Handle "enable_roce" devlink paramMichael Guralnik1-0/+11
Register "enable_roce" param, default value is RoCE enabled. Current configuration is stored on mlx5_core_dev and exposed to user through the cmode runtime devlink param. Changing configuration requires changing the cmode driverinit devlink param and calling devlink reload. Signed-off-by: Michael Guralnik <michaelgur@mellanox.com> Acked-by: Jiri Pirko <jiri@mellanox.com> Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
2019-11-11devlink: Add new "enable_roce" generic device paramMichael Guralnik1-0/+4
New device parameter to enable/disable handling of RoCE traffic in the device. Signed-off-by: Michael Guralnik <michaelgur@mellanox.com> Acked-by: Jiri Pirko <jiri@mellanox.com> Reviewed-by: Maor Gottlieb <maorg@mellanox.com> Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
2019-11-06RDMA/mad: Delete never implemented functionsLeon Romanovsky1-40/+0
Delete never implemented and used MAD functions. Link: https://lore.kernel.org/r/20191029062745.7932-2-leon@kernel.org Signed-off-by: Leon Romanovsky <leonro@mellanox.com> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
2019-11-06RDMA/qedr: Add doorbell overflow recovery supportMichal Kalderon1-0/+25
Use the doorbell recovery mechanism to register rdma related doorbells that will be restored in case there is a doorbell overflow attention. Link: https://lore.kernel.org/r/20191030094417.16866-8-michal.kalderon@marvell.com Signed-off-by: Ariel Elior <ariel.elior@marvell.com> Signed-off-by: Michal Kalderon <michal.kalderon@marvell.com> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
2019-11-06RDMA: Connect between the mmap entry and the umap_priv structureMichal Kalderon1-11/+2
The rdma_user_mmap_io interface created a common interface for drivers to correctly map hw resources and zap them once the ucontext is destroyed enabling the drivers to safely free the hw resources. However, this meant the drivers need to delay freeing the resource to the ucontext destroy phase to ensure they were no longer mapped. The new mechanism for a common way of handling user/driver address mapping enabled notifying the driver if all umap_priv mappings were removed, and enabled freeing the hw resources when they are done with and not delay it until ucontext destroy. Since not all drivers use the mechanism, NULL can be sent to the rdma_user_mmap_io interface to continue working as before. Drivers that use the mmap_xa interface can pass the entry being mapped to the rdma_user_mmap_io function to be linked together. Link: https://lore.kernel.org/r/20191030094417.16866-4-michal.kalderon@marvell.com Signed-off-by: Ariel Elior <ariel.elior@marvell.com> Signed-off-by: Michal Kalderon <michal.kalderon@marvell.com> Reviewed-by: Jason Gunthorpe <jgg@mellanox.com> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
2019-11-06RDMA/core: Create mmap database and cookie helper functionsMichal Kalderon1-0/+35
Create some common API's for adding entries to a xa_mmap. Searching for an entry and freeing one. The general approach is copied from the EFA driver and improved to be more general and do more to help the drivers. Integration with the core allows a reference counted scheme with a free function so that the driver can know when its mmaps are all gone. This significant new functionality will be helpful for drivers to have the correct lifetime model for mmap objects. Link: https://lore.kernel.org/r/20191030094417.16866-3-michal.kalderon@marvell.com Signed-off-by: Ariel Elior <ariel.elior@marvell.com> Signed-off-by: Michal Kalderon <michal.kalderon@marvell.com> Reviewed-by: Jason Gunthorpe <jgg@mellanox.com> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
2019-11-02IB/mlx5: Introduce and use mlx5_core_is_vf()Parav Pandit1-0/+5
Instead of deciding a given device is virtual function or not based on a device is PF or not, use already defined MLX5_COREDEV_VF by introducing an helper API mlx5_core_is_vf(). This enables to clearly identify PF, VF and non virtual functions. Signed-off-by: Parav Pandit <parav@mellanox.com> Reviewed-by: Vu Pham <vuhuong@mellanox.com> Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
2019-10-28Merge branch 'odp_rework' into rdma.git for-nextJason Gunthorpe2-22/+0
Jason Gunthorpe says: ==================== In order to hoist the interval tree code out of the drivers and into the mmu_notifiers it is necessary for the drivers to not use the interval tree for other things. This series replaces the interval tree with an xarray and along the way re-aligns all the locking to use a sensible SRCU model where the 'update' step is done by modifying an xarray. The result is overall much simpler and with less locking in the critical path. Many functions were reworked for clarity and small details like using 'imr' to refer to the implicit MR make the entire code flow here more readable. This also squashes at least two race bugs on its own, and quite possibily more that haven't been identified. ==================== Merge conflicts with the odp statistics patch resolved. * branch 'odp_rework': RDMA/odp: Remove broken debugging call to invalidate_range RDMA/mlx5: Do not race with mlx5_ib_invalidate_range during create and destroy RDMA/mlx5: Do not store implicit children in the odp_mkeys xarray RDMA/mlx5: Rework implicit ODP destroy RDMA/mlx5: Avoid double lookups on the pagefault path RDMA/mlx5: Reduce locking in implicit_mr_get_data() RDMA/mlx5: Use an xarray for the children of an implicit ODP RDMA/mlx5: Split implicit handling from pagefault_mr RDMA/mlx5: Set the HW IOVA of the child MRs to their place in the tree RDMA/mlx5: Lift implicit_mr_alloc() into the two routines that call it RDMA/mlx5: Rework implicit_mr_get_data RDMA/mlx5: Delete struct mlx5_priv->mkey_table RDMA/mlx5: Use a dedicated mkey xarray for ODP RDMA/mlx5: Split sig_err MR data into its own xarray RDMA/mlx5: Use SRCU properly in ODP prefetch Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
2019-10-28RDMA/mlx5: Rework implicit ODP destroyJason Gunthorpe1-2/+0
Use SRCU in a sensible way by removing all MRs in the implicit tree from the two xarrays (the update operation), then a synchronize, followed by a normal single threaded teardown. This is only a little unusual from the normal pattern as there can still be some work pending in the unbound wq that may also require a workqueue flush. This is tracked with a single atomic, consolidating the redundant existing atomics and wait queue. For understand-ability the entire ODP implicit create/destroy flow now largely exists in a single pair of functions within odp.c, with a few support functions for tearing down an unused child. Link: https://lore.kernel.org/r/20191009160934.3143-13-jgg@ziepe.ca Reviewed-by: Artemy Kovalyov <artemyko@mellanox.com> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
2019-10-28RDMA/mlx5: Use an xarray for the children of an implicit ODPJason Gunthorpe1-16/+0
Currently the child leaves are stored in the shared interval tree and every lookup for a child must be done under the interval tree rwsem. This is further complicated by dropping the rwsem during iteration (ie the odp_lookup(), odp_next() pattern), which requires a very tricky an difficult to understand locking scheme with SRCU. Instead reserve the interval tree for the exclusive use of the mmu notifier related code in umem_odp.c and give each implicit MR a xarray containing all the child MRs. Since the size of each child is 1GB of VA, a 1 level xarray will index 64G of VA, and a 2 level will index 2TB, making xarray a much better data structure choice than an interval tree. The locking properties of xarray will be used in the next patches to rework the implicit ODP locking scheme into something simpler. At this point, the xarray is locked by the implicit MR's umem_mutex, and read can also be locked by the odp_srcu. Link: https://lore.kernel.org/r/20191009160934.3143-10-jgg@ziepe.ca Reviewed-by: Artemy Kovalyov <artemyko@mellanox.com> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
2019-10-28RDMA/mlx5: Delete struct mlx5_priv->mkey_tableJason Gunthorpe1-4/+0
No users are left, delete it. Link: https://lore.kernel.org/r/20191009160934.3143-5-jgg@ziepe.ca Reviewed-by: Artemy Kovalyov <artemyko@mellanox.com> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
2019-10-28Merge tag 'v5.4-rc5' into rdma.git for-nextJason Gunthorpe37-102/+273
Linux 5.4-rc5 For dependencies in the next patches Conflict resolved by keeping the delete of the unlock. Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
2019-10-28RDMA/vmw_pvrdma: Use resource ids from physical device if availableBryan Tan1-0/+5
This change allows the RDMA stack to use physical resource numbers if they are passed up from the device. This is accomplished by separating the concept of the QP number from the QP handle. Previously, the two were the same, as the QP number was exposed to the guest and also used to reference a virtual QP in the device backend. With physical resource numbers exposed, the QP number given to the guest is the number assigned from the physical HCA's QP, while the QP handle is still the internal handle used to reference a virtual QP. Regardless of whether the device is exposing physical ids, the driver will still try to pick up the QP handle from the backend if possible. The MR keys exposed to the guest will also be the MR keys created by the physical HCA, instead of virtual MR keys. The distinction between handle and keys is already present for MRs so there is no need to do anything special here. A new version of the create QP response has been added to the device API to pass up the QP number and handle. The driver will also report these to userspace in the udata response if userspace supports it or not create the queuepair if not. I also had to do a refactor of the destroy qp code to reuse it if we fail to copy to userspace. Link: https://lore.kernel.org/r/20191028181444.19448-1-aditr@vmware.com Reviewed-by: Jorgen Hansen <jhansen@vmware.com> Signed-off-by: Adit Ranadive <aditr@vmware.com> Signed-off-by: Bryan Tan <bryantan@vmware.com> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
2019-10-28RDMA/core: Fix ib_dma_max_seg_size()Bart Van Assche1-3/+1
If dev->dma_device->params == NULL then the maximum DMA segment size is 64 KB. See also the dma_get_max_seg_size() implementation. This patch fixes the following kernel warning: DMA-API: infiniband rxe0: mapping sg segment longer than device claims to support [len=126976] [max=65536] WARNING: CPU: 4 PID: 4848 at kernel/dma/debug.c:1220 debug_dma_map_sg+0x3d9/0x450 RIP: 0010:debug_dma_map_sg+0x3d9/0x450 Call Trace: srp_queuecommand+0x626/0x18d0 [ib_srp] scsi_queue_rq+0xd02/0x13e0 [scsi_mod] __blk_mq_try_issue_directly+0x2b3/0x3f0 blk_mq_request_issue_directly+0xac/0xf0 blk_insert_cloned_request+0xdf/0x170 dm_mq_queue_rq+0x43d/0x830 [dm_mod] __blk_mq_try_issue_directly+0x2b3/0x3f0 blk_mq_request_issue_directly+0xac/0xf0 blk_mq_try_issue_list_directly+0xb8/0x170 blk_mq_sched_insert_requests+0x23c/0x3b0 blk_mq_flush_plug_list+0x529/0x730 blk_flush_plug_list+0x21f/0x260 blk_mq_make_request+0x56b/0xf20 generic_make_request+0x196/0x660 submit_bio+0xae/0x290 blkdev_direct_IO+0x822/0x900 generic_file_direct_write+0x110/0x200 __generic_file_write_iter+0x124/0x2a0 blkdev_write_iter+0x168/0x270 aio_write+0x1c4/0x310 io_submit_one+0x971/0x1390 __x64_sys_io_submit+0x12a/0x390 do_syscall_64+0x6f/0x2e0 entry_SYSCALL_64_after_hwframe+0x49/0xbe Link: https://lore.kernel.org/r/20191025225830.257535-2-bvanassche@acm.org Cc: <stable@vger.kernel.org> Fixes: 0b5cb3300ae5 ("RDMA/srp: Increase max_segment_size") Signed-off-by: Bart Van Assche <bvanassche@acm.org> Reviewed-by: Jason Gunthorpe <jgg@mellanox.com> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
2019-10-28rdma: Remove nes ABI headerJason Gunthorpe1-115/+0
This was missed when nes was removed. Fixes: 2d3c72ed5041 ("rdma: Remove nes") Link: https://lore.kernel.org/r/20191024135059.GA20084@ziepe.ca Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
2019-10-28RDMA/cm: Update copyright together with SPDX tagLeon Romanovsky1-28/+2
Add Mellanox to lust of copyright holders and replace copyright boilerplate with relevant SPDX tag. Link: https://lore.kernel.org/r/20191020071559.9743-4-leon@kernel.org Signed-off-by: Leon Romanovsky <leonro@mellanox.com> Reviewed-by: Jason Gunthorpe <jgg@mellanox.com> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
2019-10-28RDMA/cm: Use specific keyword to check defineLeon Romanovsky1-1/+1
There is a specific define keyword to check if define exists or not, let's use it instead of open-coded variant. Link: https://lore.kernel.org/r/20191020071559.9743-3-leon@kernel.org Signed-off-by: Leon Romanovsky <leonro@mellanox.com> Reviewed-by: Jason Gunthorpe <jgg@mellanox.com> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
2019-10-26Merge tag 'driver-core-5.4-rc5' of ↵Linus Torvalds1-2/+2
git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core Pull driver core fix from Greg KH: "Here is a single sysfs fix for 5.4-rc5. It resolves an error if you actually try to use the __BIN_ATTR_WO() macro, seems I never tested it properly before :( This has been in linux-next for a while with no reported issues" * tag 'driver-core-5.4-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core: sysfs: Fixes __BIN_ATTR_WO() macro
2019-10-25Merge tag 'modules-for-v5.4-rc5' of ↵Linus Torvalds1-9/+5
git://git.kernel.org/pub/scm/linux/kernel/git/jeyu/linux Pull modules fixes from Jessica Yu: - Revert __ksymtab_$namespace.$symbol naming scheme back to __ksymtab_$symbol, as it was causing issues with depmod. Instead, have modpost extract a symbol's namespace from __kstrtabns and __ksymtab_strings. - Fix `make nsdeps` for out of tree kernel builds (make O=...) caused by unescaped '/'. Use a different sed delimiter to avoid this problem. * tag 'modules-for-v5.4-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/jeyu/linux: scripts/nsdeps: use alternative sed delimiter symbol namespaces: revert to previous __ksymtab name scheme modpost: make updating the symbol namespace explicit modpost: delegate updating namespaces to separate function
2019-10-24Merge tag 'pm-5.4-rc5' of ↵Linus Torvalds3-24/+59
git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm Pull power management fixes from Rafael Wysocki: "These fix problems related to frequency limits management in cpufreq that were introduced during the 5.3 cycle (when PM QoS had started to be used for that), fix a few issues in the OPP (operating performance points) library code and fix up the recently added haltpoll cpuidle driver. The cpufreq changes are somewhat bigger that I would like them to be at this stage of the cycle, but the problems fixed by them include crashes on boot and shutdown in some cases (among other things) and in my view it is better to address the root of the issue right away. Specifics: - Using device PM QoS of CPU devices for managing frequency limits in cpufreq does not work, so introduce frequency QoS (based on the original low-level PM QoS) for this purpose, switch cpufreq and related code over to using it and fix a race involving deferred updates of frequency limits on top of that (Rafael Wysocki, Sudeep Holla). - Avoid calling regulator_enable()/disable() from the OPP framework to avoid side-effects on boot-enabled regulators that may change their initial voltage due to performing initial voltage balancing without all restrictions from the consumers (Marek Szyprowski). - Avoid a kref management issue in the OPP library code and drop an incorrectly added lockdep_assert_held() from it (Viresh Kumar). - Make the recently added haltpoll cpuidle driver take the 'idle=' override into account as appropriate (Zhenzhong Duan)" * tag 'pm-5.4-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: opp: Reinitialize the list_kref before adding the static OPPs again cpufreq: Cancel policy update work scheduled before freeing cpuidle: haltpoll: Take 'idle=' override into account opp: core: Revert "add regulators enable and disable" PM: QoS: Drop frequency QoS types from device PM QoS cpufreq: Use per-policy frequency QoS PM: QoS: Introduce frequency QoS opp: of: drop incorrect lockdep_assert_held()
2019-10-24Merge tag 'sound-5.4-rc5' of ↵Linus Torvalds1-4/+4
git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound Pull sound fixes from Takashi Iwai: "This is a usual small bump in the middle, we've got a set of ASoC fixes in this week as shown in diffstat. The only change in the core stuff is about (somewhat minor) PCM debugfs error handling. The major changes are rather for Intel SOF and topology coverage, as well as other platform (rockchip, samsung, stm) and codec fixes. As non-ASoC changes, a couple of new HD-audio chip fixes and a typo correction of USB-audio driver validation code are found" * tag 'sound-5.4-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: (29 commits) ALSA: hda: Add Tigerlake/Jasperlake PCI ID ALSA: usb-audio: Fix copy&paste error in the validator ALSA: hda/realtek - Add support for ALC711 ASoC: SOF: control: return true when kcontrol values change ASoC: stm32: sai: fix sysclk management on shutdown ASoC: Intel: sof-rt5682: add a check for devm_clk_get ASoC: rsnd: Reinitialize bit clock inversion flag for every format setting ASoC: simple_card_utils.h: Fix potential multiple redefinition error ASoC: msm8916-wcd-digital: add missing MIX2 path for RX1/2 ASoC: core: Fix pcm code debugfs error ASoc: rockchip: i2s: Fix RPM imbalance ASoC: wm_adsp: Don't generate kcontrols without READ flags ASoC: intel: bytcr_rt5651: add null check to support_button_press ASoC: intel: sof_rt5682: add remove function to disable jack ASoC: rt5682: add NULL handler to set_jack function ASoC: intel: sof_rt5682: use separate route map for dmic ASoC: SOF: Intel: hda: Disable DMI L1 entry during capture ASoC: SOF: Intel: initialise and verify FW crash dump data. ASoC: SOF: Intel: hda: fix warnings during FW load ASoC: SOF: pcm: harden PCM STOP sequence ...
2019-10-23Merge tag 'for-5.4-rc4-tag' of ↵Linus Torvalds1-1/+2
git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux Pull btrfs fixes from David Sterba: - fixes of error handling cleanup of metadata accounting with qgroups enabled - fix swapped values for qgroup tracepoints - fix race when handling full sync flag - don't start unused worker thread, functionality removed already * tag 'for-5.4-rc4-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux: Btrfs: check for the full sync flag while holding the inode lock during fsync Btrfs: fix qgroup double free after failure to reserve metadata for delalloc btrfs: tracepoints: Fix bad entry members of qgroup events btrfs: tracepoints: Fix wrong parameter order for qgroup events btrfs: qgroup: Always free PREALLOC META reserve in btrfs_delalloc_release_extents() btrfs: don't needlessly create extent-refs kernel thread btrfs: block-group: Fix a memory leak due to missing btrfs_put_block_group() Btrfs: add missing extents release on file extent cluster relocation error
2019-10-22RDMA/nldev: Provide MR statisticsErez Alfasi2-0/+9
Add RDMA nldev netlink interface for dumping MR statistics information. Output example: $ ./ibv_rc_pingpong -o -P -s 500000000 local address: LID 0x0001, QPN 0x00008a, PSN 0xf81096, GID :: $ rdma stat show mr dev mlx5_0 mrn 2 page_faults 122071 page_invalidations 0 Link: https://lore.kernel.org/r/20191016062308.11886-5-leon@kernel.org Signed-off-by: Erez Alfasi <ereza@mellanox.com> Signed-off-by: Leon Romanovsky <leonro@mellanox.com> Reviewed-by: Jason Gunthorpe <jgg@mellanox.com> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
2019-10-22RDMA/mlx5: Return ODP type per MRErez Alfasi1-0/+3
Provide an ODP explicit/implicit type as part of 'rdma -dd resource show mr' dump. For example: $ rdma -dd resource show mr dev mlx5_0 mrn 1 rkey 0xa99a lkey 0xa99a mrlen 50000000 pdn 9 pid 7372 comm ibv_rc_pingpong drv_odp explicit For non-ODP MRs, we won't print "drv_odp ..." at all. Link: https://lore.kernel.org/r/20191016062308.11886-4-leon@kernel.org Signed-off-by: Erez Alfasi <ereza@mellanox.com> Signed-off-by: Leon Romanovsky <leonro@mellanox.com> Reviewed-by: Jason Gunthorpe <jgg@mellanox.com> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
2019-10-22IB/mlx5: Introduce ODP diagnostic countersErez Alfasi1-0/+5
Introduce ODP diagnostic counters and count the following per MR within IB/mlx5 driver: 1) Page faults: Total number of faulted pages. 2) Page invalidations: Total number of pages invalidated by the OS during all invalidation events. The translations can be no longer valid due to either non-present pages or mapping changes. Link: https://lore.kernel.org/r/20191016062308.11886-2-leon@kernel.org Signed-off-by: Erez Alfasi <ereza@mellanox.com> Signed-off-by: Leon Romanovsky <leonro@mellanox.com> Reviewed-by: Jason Gunthorpe <jgg@mellanox.com> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
2019-10-22Merge branch 'mlx5-rd-sgl' into rdma.git for-nextJason Gunthorpe15-34/+156
From Yamin Friedman: ==================== This series from Yamin implements long standing "TODO" existed in rw.c. It allows the driver to specify a cut-over point where it is faster to build a lkey MR rather than do a large SGL for RDMA READ operations. mlx5 HW gets a notable performane boost by switching to MRs. ==================== Based on the mlx5-next branch from git://git.kernel.org/pub/scm/linux/kernel/git/mellanox/linux for dependencies * branch 'mlx5-rd-sgl': (3 commits) RDMA/mlx5: Add capability for max sge to get optimized performance RDMA/rw: Support threshold for registration vs scattering to local pages net/mlx5: Expose optimal performance scatter entries capability
2019-10-22RDMA/rw: Support threshold for registration vs scattering to local pagesYamin Friedman1-0/+2
If there are more scatter entries than the recommended limit provided by the ib device, UMR registration is used. This will provide optimal performance when performing large RDMA READs over devices that advertise the threshold capability. With ConnectX-5 running NVMeoF RDMA with FIO single QP 128KB writes: Without use of cap: 70Gb/sec With use of cap: 84Gb/sec Link: https://lore.kernel.org/r/20191007135933.12483-3-leon@kernel.org Signed-off-by: Yamin Friedman <yaminf@mellanox.com> Reviewed-by: Or Gerlitz <ogerlitz@mellanox.com> Signed-off-by: Leon Romanovsky <leonro@mellanox.com> Reviewed-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
2019-10-21Merge tag 'asoc-fix-v5.4-rc4' of ↵Takashi Iwai1-4/+4
https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into for-linus ASoC: Fixes for v5.4 A collection of fixes that have arrived since the merge window. There are a small number of core fixes here but they are smaller ones around error handling.
2019-10-21PM: QoS: Drop frequency QoS types from device PM QoSRafael J. Wysocki1-12/+0
There are no more active users of DEV_PM_QOS_MIN_FREQUENCY and DEV_PM_QOS_MAX_FREQUENCY device PM QoS request types, so drop them along with the code supporting them. Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com> Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
2019-10-21cpufreq: Use per-policy frequency QoSRafael J. Wysocki2-12/+15
Replace the CPU device PM QoS used for the management of min and max frequency constraints in cpufreq (and its users) with per-policy frequency QoS to avoid problems with cpufreq policies covering more then one CPU. Namely, a cpufreq driver is registered with the subsys interface which calls cpufreq_add_dev() for each CPU, starting from CPU0, so currently the PM QoS notifiers are added to the first CPU in the policy (i.e. CPU0 in the majority of cases). In turn, when the cpufreq driver is unregistered, the subsys interface doing that calls cpufreq_remove_dev() for each CPU, starting from CPU0, and the PM QoS notifiers are only removed when cpufreq_remove_dev() is called for the last CPU in the policy, say CPUx, which as a rule is not CPU0 if the policy covers more than one CPU. Then, the PM QoS notifiers cannot be removed, because CPUx does not have them, and they are still there in the device PM QoS notifiers list of CPU0, which prevents new PM QoS notifiers from being registered for CPU0 on the next attempt to register the cpufreq driver. The same issue occurs when the first CPU in the policy goes offline before unregistering the driver. After this change it does not matter which CPU is the policy CPU at the driver registration time and whether or not it is online all the time, because the frequency QoS is per policy and not per CPU. Fixes: 67d874c3b2c6 ("cpufreq: Register notifiers with the PM QoS framework") Reported-by: Dmitry Osipenko <digetx@gmail.com> Tested-by: Dmitry Osipenko <digetx@gmail.com> Reported-by: Sudeep Holla <sudeep.holla@arm.com> Tested-by: Sudeep Holla <sudeep.holla@arm.com> Diagnosed-by: Viresh Kumar <viresh.kumar@linaro.org> Link: https://lore.kernel.org/linux-pm/5ad2624194baa2f53acc1f1e627eb7684c577a19.1562210705.git.viresh.kumar@linaro.org/T/#md2d89e95906b8c91c15f582146173dce2e86e99f Link: https://lore.kernel.org/linux-pm/20191017094612.6tbkwoq4harsjcqv@vireshk-i7/T/#m30d48cc23b9a80467fbaa16e30f90b3828a5a29b Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com> Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
2019-10-21PM: QoS: Introduce frequency QoSRafael J. Wysocki1-0/+44
Introduce frequency QoS, based on the "raw" low-level PM QoS, to represent min and max frequency requests and aggregate constraints. The min and max frequency requests are to be represented by struct freq_qos_request objects and the aggregate constraints are to be represented by struct freq_constraints objects. The latter are expected to be initialized with the help of freq_constraints_init(). The freq_qos_read_value() helper is defined to retrieve the aggregate constraints values from a given struct freq_constraints object and there are the freq_qos_add_request(), freq_qos_update_request() and freq_qos_remove_request() helpers to manipulate the min and max frequency requests. It is assumed that the the helpers will not run concurrently with each other for the same struct freq_qos_request object, so if that may be the case, their uses must ensure proper synchronization between them (e.g. through locking). In addition, freq_qos_add_notifier() and freq_qos_remove_notifier() are provided to add and remove notifiers that will trigger on aggregate constraint changes to and from a given struct freq_constraints object, respectively. Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com> Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
2019-10-20Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/netLinus Torvalds12-43/+79
Pull networking fixes from David Miller: "I was battling a cold after some recent trips, so quite a bit piled up meanwhile, sorry about that. Highlights: 1) Fix fd leak in various bpf selftests, from Brian Vazquez. 2) Fix crash in xsk when device doesn't support some methods, from Magnus Karlsson. 3) Fix various leaks and use-after-free in rxrpc, from David Howells. 4) Fix several SKB leaks due to confusion of who owns an SKB and who should release it in the llc code. From Eric Biggers. 5) Kill a bunc of KCSAN warnings in TCP, from Eric Dumazet. 6) Jumbo packets don't work after resume on r8169, as the BIOS resets the chip into non-jumbo mode during suspend. From Heiner Kallweit. 7) Corrupt L2 header during MPLS push, from Davide Caratti. 8) Prevent possible infinite loop in tc_ctl_action, from Eric Dumazet. 9) Get register bits right in bcmgenet driver, based upon chip version. From Florian Fainelli. 10) Fix mutex problems in microchip DSA driver, from Marek Vasut. 11) Cure race between route lookup and invalidation in ipv4, from Wei Wang. 12) Fix performance regression due to false sharing in 'net' structure, from Eric Dumazet" * git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (145 commits) net: reorder 'struct net' fields to avoid false sharing net: dsa: fix switch tree list net: ethernet: dwmac-sun8i: show message only when switching to promisc net: aquantia: add an error handling in aq_nic_set_multicast_list net: netem: correct the parent's backlog when corrupted packet was dropped net: netem: fix error path for corrupted GSO frames macb: propagate errors when getting optional clocks xen/netback: fix error path of xenvif_connect_data() net: hns3: fix mis-counting IRQ vector numbers issue net: usb: lan78xx: Connect PHY before registering MAC vsock/virtio: discard packets if credit is not respected vsock/virtio: send a credit update when buffer size is changed mlxsw: spectrum_trap: Push Ethernet header before reporting trap net: ensure correct skb->tstamp in various fragmenters net: bcmgenet: reset 40nm EPHY on energy detect net: bcmgenet: soft reset 40nm EPHYs before MAC init net: phy: bcm7xxx: define soft_reset for 40nm EPHY net: bcmgenet: don't set phydev->link from MAC net: Update address for MediaTek ethernet driver in MAINTAINERS ipv4: fix race condition between route lookup and invalidation ...
2019-10-19net: reorder 'struct net' fields to avoid false sharingEric Dumazet1-8/+17
Intel test robot reported a ~7% regression on TCP_CRR tests that they bisected to the cited commit. Indeed, every time a new TCP socket is created or deleted, the atomic counter net->count is touched (via get_net(net) and put_net(net) calls) So cpus might have to reload a contended cache line in net_hash_mix(net) calls. We need to reorder 'struct net' fields to move @hash_mix in a read mostly cache line. We move in the first cache line fields that can be dirtied often. We probably will have to address in a followup patch the __randomize_layout that was added in linux-4.13, since this might break our placement choices. Fixes: 355b98553789 ("netns: provide pure entropy for net_hash_mix()") Signed-off-by: Eric Dumazet <edumazet@google.com> Reported-by: kernel test robot <oliver.sang@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-10-18Merge tag 'sound-5.4-rc4' of ↵Linus Torvalds1-0/+3
git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound Pull sound fixes from Takashi Iwai: "Just a few small fixes for the usual suspect, HD- and USB-audio: enablement of runtime PM for Nvidia due to the recent PCI changes, a fix for potential hangs with recent HD-audio platforms, and the rest device-specific quirks" * tag 'sound-5.4-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: ALSA: hda - Force runtime PM on Nvidia HDMI codecs ALSA: hda/realtek - Enable headset mic on Asus MJ401TA ALSA: usb-audio: Disable quirks for BOSS Katana amplifiers ALSA: hdac: clear link output stream mapping ALSA: hda/realtek: Reduce the Headphone static noise on XPS 9350/9360
2019-10-18symbol namespaces: revert to previous __ksymtab name schemeMatthias Maennich1-9/+5
The introduction of Symbol Namespaces changed the naming schema of the __ksymtab entries from __kysmtab__symbol to __ksymtab_NAMESPACE.symbol. That caused some breakages in tools that depend on the name layout in either the binaries(vmlinux,*.ko) or in System.map. E.g. kmod's depmod would not be able to read System.map without a patch to support symbol namespaces. A warning reported by depmod for namespaced symbols would look like depmod: WARNING: [...]/uas.ko needs unknown symbol usb_stor_adjust_quirks In order to address this issue, revert to the original naming scheme and rather read the __kstrtabns_<symbol> entries and their corresponding values from __ksymtab_strings to update the namespace values for symbols. After having read all symbols and handled them in handle_modversions(), the symbols are created. In a second pass, read the __kstrtabns_ entries and update the namespaces accordingly. Fixes: 8651ec01daed ("module: add support for symbol namespaces.") Reported-by: Stefan Wahren <stefan.wahren@i2se.com> Suggested-by: Masahiro Yamada <yamada.masahiro@socionext.com> Acked-by: Will Deacon <will@kernel.org> Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Reviewed-by: Masahiro Yamada <yamada.masahiro@socionext.com> Signed-off-by: Matthias Maennich <maennich@google.com> Signed-off-by: Jessica Yu <jeyu@kernel.org>
2019-10-18Merge tag 'arm64-fixes' of ↵Linus Torvalds1-0/+1
git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux Pull arm64 fixes from Will Deacon: "The main thing here is a long-awaited workaround for a CPU erratum on ThunderX2 which we have developed in conjunction with engineers from Cavium/Marvell. At the moment, the workaround is unconditionally enabled for affected CPUs at runtime but we may add a command-line option to disable it in future if performance numbers show up indicating a significant cost for real workloads. Summary: - Work around Cavium/Marvell ThunderX2 erratum #219 - Fix regression in mlock() ABI caused by sign-extension of TTBR1 addresses - More fixes to the spurious kernel fault detection logic - Fix pathological preemption race when enabling some CPU features at boot - Drop broken kcore macros in favour of generic implementations - Fix userspace view of ID_AA64ZFR0_EL1 when SVE is disabled - Avoid NULL dereference on allocation failure during hibernation" * tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux: arm64: tags: Preserve tags for addresses translated via TTBR1 arm64: mm: fix inverted PAR_EL1.F check arm64: sysreg: fix incorrect definition of SYS_PAR_EL1_F arm64: entry.S: Do not preempt from IRQ before all cpufeatures are enabled arm64: hibernate: check pgd table allocation arm64: cpufeature: Treat ID_AA64ZFR0_EL1 as RAZ when SVE is not enabled arm64: Fix kcore macros after 52-bit virtual addressing fallout arm64: Allow CAVIUM_TX2_ERRATUM_219 to be selected arm64: Avoid Cavium TX2 erratum 219 when switching TTBR arm64: Enable workaround for Cavium TX2 erratum 219 when running SMT arm64: KVM: Trap VM ops when ARM64_WORKAROUND_CAVIUM_TX2_219_TVM is set
2019-10-18net: phy: micrel: Update KSZ87xx PHY nameMarek Vasut1-1/+1
The KSZ8795 PHY ID is in fact used by KSZ8794/KSZ8795/KSZ8765 switches. Update the PHY ID and name to reflect that, as this family of switches is commonly refered to as KSZ87xx Signed-off-by: Marek Vasut <marex@denx.de> Cc: Andrew Lunn <andrew@lunn.ch> Cc: David S. Miller <davem@davemloft.net> Cc: Florian Fainelli <f.fainelli@gmail.com> Cc: George McCollister <george.mccollister@gmail.com> Cc: Heiner Kallweit <hkallweit1@gmail.com> Cc: Sean Nyekjaer <sean.nyekjaer@prevas.dk> Cc: Tristram Ha <Tristram.Ha@microchip.com> Cc: Woojung Huh <woojung.huh@microchip.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-10-17Merge branch 'errata/tx2-219' into for-next/fixesWill Deacon13-33/+153
Workaround for Cavium/Marvell ThunderX2 erratum #219. * errata/tx2-219: arm64: Allow CAVIUM_TX2_ERRATUM_219 to be selected arm64: Avoid Cavium TX2 erratum 219 when switching TTBR arm64: Enable workaround for Cavium TX2 erratum 219 when running SMT arm64: KVM: Trap VM ops when ARM64_WORKAROUND_CAVIUM_TX2_219_TVM is set
2019-10-17RDMA/uapi: Fix and re-organize the usage of rdma_driver_idYishai Hadas2-21/+22
Fix 'enum rdma_driver_id' to preserve other driver values before that RDMA_DRIVER_CXGB3 was deleted. As this value is UAPI we can't affect other values as of a deletion of one driver id. Fixes: 30e0f6cf5acb ("RDMA/iw_cxgb3: Remove the iw_cxgb3 module from kernel") Signed-off-by: Yishai Hadas <yishaih@mellanox.com> Signed-off-by: Leon Romanovsky <leonro@mellanox.com> Link: https://lore.kernel.org/r/20191015075419.18185-2-leon@kernel.org Signed-off-by: Doug Ledford <dledford@redhat.com>
2019-10-17Merge tag 'gpio-v5.4-3' of ↵Linus Torvalds1-0/+8
git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio Pull GPIO fixes from Linus Walleij: "The fixes pertain to a problem with initializing the Intel GPIO irqchips when adding gpiochips. Andy fixed it up elegantly by adding a hardware initialization callback to the struct gpio_irq_chip so let's use this. Tested and verified on the target hardware" * tag 'gpio-v5.4-3' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio: gpio: lynxpoint: set default handler to be handle_bad_irq() gpio: merrifield: Move hardware initialization to callback gpio: lynxpoint: Move hardware initialization to callback gpio: intel-mid: Move hardware initialization to callback gpiolib: Initialize the hardware with a callback gpio: merrifield: Restore use of irq_base
2019-10-17btrfs: tracepoints: Fix bad entry members of qgroup eventsQu Wenruo1-1/+2
[BUG] For btrfs:qgroup_meta_reserve event, the trace event can output garbage: qgroup_meta_reserve: 9c7f6acc-b342-4037-bc47-7f6e4d2232d7: refroot=5(FS_TREE) type=DATA diff=2 qgroup_meta_reserve: 9c7f6acc-b342-4037-bc47-7f6e4d2232d7: refroot=5(FS_TREE) type=0x258792 diff=2 The @type can be completely garbage, as DATA type is not possible for trace_qgroup_meta_reserve() trace event. [CAUSE] Ther are several problems related to qgroup trace events: - Unassigned entry member Member entry::type of trace_qgroup_update_reserve() and trace_qgourp_meta_reserve() is not assigned - Redundant entry member Member entry::type is completely useless in trace_qgroup_meta_convert() Fixes: 4ee0d8832c2e ("btrfs: qgroup: Update trace events for metadata reservation") CC: stable@vger.kernel.org # 4.10+ Reviewed-by: Nikolay Borisov <nborisov@suse.com> Signed-off-by: Qu Wenruo <wqu@suse.com> Reviewed-by: David Sterba <dsterba@suse.com> Signed-off-by: David Sterba <dsterba@suse.com>
2019-10-16arm64: entry.S: Do not preempt from IRQ before all cpufeatures are enabledJulien Thierry1-0/+1
Preempting from IRQ-return means that the task has its PSTATE saved on the stack, which will get restored when the task is resumed and does the actual IRQ return. However, enabling some CPU features requires modifying the PSTATE. This means that, if a task was scheduled out during an IRQ-return before all CPU features are enabled, the task might restore a PSTATE that does not include the feature enablement changes once scheduled back in. * Task 1: PAN == 0 ---| |--------------- | |<- return from IRQ, PSTATE.PAN = 0 | <- IRQ | +--------+ <- preempt() +-- ^ | reschedule Task 1, PSTATE.PAN == 1 * Init: --------------------+------------------------ ^ | enable_cpu_features set PSTATE.PAN on all CPUs Worse than this, since PSTATE is untouched when task switching is done, a task missing the new bits in PSTATE might affect another task, if both do direct calls to schedule() (outside of IRQ/exception contexts). Fix this by preventing preemption on IRQ-return until features are enabled on all CPUs. This way the only PSTATE values that are saved on the stack are from synchronous exceptions. These are expected to be fatal this early, the exception is BRK for WARN_ON(), but as this uses do_debug_exception() which keeps IRQs masked, it shouldn't call schedule(). Signed-off-by: Julien Thierry <julien.thierry@arm.com> [james: Replaced a really cool hack, with an even simpler static key in C. expanded commit message with Julien's cover-letter ascii art] Signed-off-by: James Morse <james.morse@arm.com> Signed-off-by: Will Deacon <will@kernel.org>
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