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* Merge git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pendingLinus Torvalds2017-04-112-19/+49
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Pull SCSI target fixes from Nicholas Bellinger: "There has been work in a number of different areas over the last weeks, including: - Fix target-core-user (TCMU) back-end bi-directional handling (Xiubo Li + Mike Christie + Ilias Tsitsimpis) - Fix iscsi-target TMR reference leak during session shutdown (Rob Millner + Chu Yuan Lin) - Fix target_core_fabric_configfs.c race between LUN shutdown + mapped LUN creation (James Shen) - Fix target-core unknown fabric callback queue-full errors (Potnuri Bharat Teja) - Fix iscsi-target + iser-target queue-full handling in order to support iw_cxgb4 RNICs. (Potnuri Bharat Teja + Sagi Grimberg) - Fix ALUA transition state race between multiple initiator (Mike Christie) - Drop work-around for legacy GlobalSAN initiator, to allow QLogic 57840S + 579xx offload HBAs to work out-of-the-box in MSFT environments. (Martin Svec + Arun Easi) Note that a number are CC'ed for stable, and although the queue-full bug-fixes required for iser-target to work with iw_cxgb4 aren't CC'ed here, they'll be posted to Greg-KH separately" * git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending: tcmu: Skip Data-Out blocks before gathering Data-In buffer for BIDI case iscsi-target: Drop work-around for legacy GlobalSAN initiator target: Fix ALUA transition state race between multiple initiators iser-target: avoid posting a recv buffer twice iser-target: Fix queue-full response handling iscsi-target: Propigate queue_data_in + queue_status errors target: Fix unknown fabric callback queue-full errors tcmu: Fix wrongly calculating of the base_command_size tcmu: Fix possible overwrite of t_data_sg's last iov[] target: Avoid mappedlun symlink creation during lun shutdown iscsi-target: Fix TMR reference leak during session shutdown usb: gadget: Correct usb EP argument for BOT status request tcmu: Allow cmd_time_out to be set to zero (disabled)
| * iser-target: avoid posting a recv buffer twiceSagi Grimberg2017-03-302-1/+14
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | We pre-allocate our send-queues and might overflow them in case we have multi work-request operations which tend to occur for large RDMA transfers over devices with limited allowed sg elements. When we get to a queue-full condition we might retry again later, so track our receive buffers so we don't repost them for a retry case. Reported-by: Potnuri Bharat Teja <bharat@chelsio.com> Tested-by: Potnuri Bharat Teja <bharat@chelsio.com> Reviewed-by: Potnuri Bharat Teja <bharat@chelsio.com> Signed-off-by: Sagi Grimberg <sagi@grimberg.me> Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
| * iser-target: Fix queue-full response handlingNicholas Bellinger2017-03-301-18/+35
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch addresses two queue-full handling bugs in iser-target. The first is propagating isert_rdma_rw_ctx_post() return back to target-core via isert_put_datain() + isert_get_dataout() callbacks, in order to trigger queue-full logic in target-core. Note target-core expects -EAGAIN or -ENOMEM error to signal RDMA WRITE/READ data-transfer callbacks should be retried, after queue-full logic been invoked. Other types of errors propagated up from RDMA RW API will result in target-core generating internal CHECK_CONDITION status, avoiding subsequent isert_put_datain() and isert_get_dataout() iscsit_transport callback retry attempts. The second is to use transport_generic_request_failure() during T10-PI hw-offload errors in isert_rdma_write_done() and isert_rdma_read_done(), so CHECK_CONDITION queue-full is handled internally by target-core. Also add isert_put_response() T10-PI failure case fixme in isert_rdma_write_done(), which is currently not internally retried or released until session reinstatement. Reported-by: Potnuri Bharat Teja <bharat@chelsio.com> Reviewed-by: Potnuri Bharat Teja <bharat@chelsio.com> Tested-by: Potnuri Bharat Teja <bharat@chelsio.com> Cc: Potnuri Bharat Teja <bharat@chelsio.com> Reported-by: Steve Wise <swise@opengridcomputing.com> Cc: Steve Wise <swise@opengridcomputing.com> Cc: Sagi Grimberg <sagi@grimberg.me> Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
* | IB/qib: fix false-postive maybe-uninitialized warningArnd Bergmann2017-03-241-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | aarch64-linux-gcc-7 complains about code it doesn't fully understand: drivers/infiniband/hw/qib/qib_iba7322.c: In function 'qib_7322_txchk_change': include/asm-generic/bitops/non-atomic.h:105:35: error: 'shadow' may be used uninitialized in this function [-Werror=maybe-uninitialized] The code is right, and despite trying hard, I could not come up with a version that I liked better than just adding a fake initialization here to shut up the warning. Fixes: f931551bafe1 ("IB/qib: Add new qib driver for QLogic PCIe InfiniBand adapters") Signed-off-by: Arnd Bergmann <arnd@arndb.de> Acked-by: Ira Weiny <ira.weiny@intel.com> Signed-off-by: Doug Ledford <dledford@redhat.com>
* | RDMA/iser: Fix possible mr leak on device removal eventSagi Grimberg2017-03-242-3/+7
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | When the rdma device is removed, we must cleanup all the rdma resources within the DEVICE_REMOVAL event handler to let the device teardown gracefully. When this happens with live I/O, some memory regions are occupied. Thus, track them too and dereg all the mr's. We are safe with mr access by iscsi_iser_cleanup_task. Reported-by: Raju Rangoju <rajur@chelsio.com> Signed-off-by: Sagi Grimberg <sagi@grimberg.me> Reviewed-by: Max Gurtovoy <maxg@mellanox.com> Reviewed-by: Max Gurtovoy <maxg@mellanox.com> Signed-off-by: Doug Ledford <dledford@redhat.com>
* | IB/device: Convert ib-comp-wq to be CPU-boundSagi Grimberg2017-03-241-2/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This workqueue is used by our storage target mode ULPs via the new CQ API. Recent observations when working with very high-end flash storage devices reveal that UNBOUND workqueue threads can migrate between cpu cores and even numa nodes (although some numa locality is accounted for). While this attribute can be useful in some workloads, it does not fit in very nicely with the normal run-to-completion model we usually use in our target-mode ULPs and the block-mq irq<->cpu affinity facilities. The whole block-mq concept is that the completion will land on the same cpu where the submission was performed. The fact that our submitter thread is migrating cpus can break this locality. We assume that as a target mode ULP, we will serve multiple initiators/clients and we can spread the load enough without having to use unbound kworkers. Also, while we're at it, expose this workqueue via sysfs which is harmless and can be useful for debug. Signed-off-by: Sagi Grimberg <sagi@grimberg.me> Reviewed-by: Bart Van Assche <bart.vanassche@sandisk.com>-- Signed-off-by: Doug Ledford <dledford@redhat.com>
* | IB/cq: Don't process more than the given budgetSagi Grimberg2017-03-241-1/+7
| | | | | | | | | | | | | | | | | | | | The caller might not want this overhead. Reviewed-by: Bart Van Assche <bart.vanassche@sandisk.com> Reviewed-by: Leon Romanovsky <leonro@mellanox.com> Signed-off-by: Sagi Grimberg <sagi@grimberg.me> Reviewed-by: Yuval Shaia <yuval.shaia@oracle.com> Signed-off-by: Doug Ledford <dledford@redhat.com>
* | IB/rxe: increment msn only when completing a requestDavid Marchand2017-03-241-5/+4
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | According to C9-147, MSN should only be incremented when the last packet of a multi packet request has been received. "Logically, the requester associates a sequential Send Sequence Number (SSN) with each WQE posted to the send queue. The SSN bears a one- to-one relationship to the MSN returned by the responder in each re- sponse packet. Therefore, when the requester receives a response, it in- terprets the MSN as representing the SSN of the most recent request completed by the responder to determine which send WQE(s) can be completed." Fixes: 8700e3e7c485 ("Soft RoCE driver") Signed-off-by: David Marchand <david.marchand@6wind.com> Signed-off-by: Doug Ledford <dledford@redhat.com>
* | IB/core: Restore I/O MMU, s390 and powerpc supportBart Van Assche2017-03-241-6/+20
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Avoid that the following error message is reported on the console while loading an RDMA driver with I/O MMU support enabled: DMAR: Allocating domain for mlx5_0 failed Ensure that DMA mapping operations that use to_pci_dev() to access to struct pci_dev see the correct PCI device. E.g. the s390 and powerpc DMA mapping operations use to_pci_dev() even with I/O MMU support disabled. This patch preserves the following changes of the DMA mapping updates patch series: - Introduction of dma_virt_ops. - Removal of ib_device.dma_ops. - Removal of struct ib_dma_mapping_ops. - Removal of an if-statement from each ib_dma_*() operation. - IB HW drivers no longer set dma_device directly. Reported-by: Sebastian Ott <sebott@linux.vnet.ibm.com> Reported-by: Parav Pandit <parav@mellanox.com> Fixes: commit 99db9494035f ("IB/core: Remove ib_device.dma_device") Signed-off-by: Bart Van Assche <bart.vanassche@sandisk.com> Reviewed-by: parav@mellanox.com Tested-by: parav@mellanox.com Reviewed-by: Leon Romanovsky <leonro@mellanox.com> Signed-off-by: Doug Ledford <dledford@redhat.com>
* | IB/rxe: Update documentation linkLeon Romanovsky2017-03-241-1/+1
| | | | | | | | | | | | | | | | | | | | | | All Soft-RoCE (rxe) is handled now in rdma-core user space library, so the documentation. The patch below updates the documentation link to that new location. Reported-by: Josh Beavers <josh.beavers@gmail.com> Signed-off-by: Leon Romanovsky <leon@kernel.org> Reviewed-by: Ira Weiny <ira.weiny@intel.com> Signed-off-by: Doug Ledford <dledford@redhat.com>
* | RDMA/ocrdma: fix a type issue in ocrdma_put_pd_num()Dan Carpenter2017-03-241-1/+1
| | | | | | | | | | | | | | | | | | We want to return zero on success or negative error codes. The type should be int and not u8. Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Reviewed-by: Yuval Shaia <yuval.shaia@oracle.com> Signed-off-by: Doug Ledford <dledford@redhat.com>
* | IB/rxe: double free on errorDan Carpenter2017-03-241-1/+1
| | | | | | | | | | | | | | | | | | "goto err;" has it's own kfree_skb() call so it's a double free. We only need to free on the "goto exit;" path. Fixes: 8700e3e7c485 ("Soft RoCE driver") Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: Doug Ledford <dledford@redhat.com>
* | RDMA/vmw_pvrdma: Activate device on ethernet link upAditya Sarwade2017-03-242-3/+12
| | | | | | | | | | | | | | | | | | | | | | Restore device state when ethernet link changes to active. Acked-by: George Zhang <georgezhang@vmware.com> Acked-by: Jorgen Hansen <jhansen@vmware.com> Acked-by: Bryan Tan <bryantan@vmware.com> Signed-off-by: Aditya Sarwade <asarwade@vmware.com> Signed-off-by: Adit Ranadive <aditr@vmware.com> Signed-off-by: Doug Ledford <dledford@redhat.com>
* | RDMA/vmw_pvrdma: Dont hardcode QP header pageAdit Ranadive2017-03-242-4/+6
| | | | | | | | | | | | | | | | | | | | Moved the header page count to a macro. Reported-by: Yuval Shaia <yuval.shaia@oracle.com> Signed-off-by: Adit Ranadive <aditr@vmware.com> Reviewed-by: Aditya Sarwade <asarwade@vmware.com> Tested-by: Andrew Boyer <andrew.boyer@dell.com> Signed-off-by: Doug Ledford <dledford@redhat.com>
* | RDMA/vmw_pvrdma: Cleanup unused variablesAdit Ranadive2017-03-243-22/+17
| | | | | | | | | | | | | | | | | | | | | | Removed the unused nreq and redundant index variables. Moved hardcoded async and cq ring pages number to macro. Reported-by: Yuval Shaia <yuval.shaia@oracle.com> Signed-off-by: Adit Ranadive <aditr@vmware.com> Reviewed-by: Aditya Sarwade <asarwade@vmware.com> Tested-by: Andrew Boyer <andrew.boyer@dell.com> Signed-off-by: Doug Ledford <dledford@redhat.com>
* | infiniband: Fix alignment of mmap cookies to support VIPT cachingJason Gunthorpe2017-03-242-4/+4
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | When vmalloc_user is used to create memory that is supposed to be mmap'd to user space, it is necessary for the mmap cookie (eg the offset) to be aligned to SHMLBA. This creates a situation where all virtual mappings of the same physical page share the same virtual cache index and guarantees VIPT coherence. Otherwise the cache is non-coherent and the kernel will not see writes by userspace when reading the shared page (or vice-versa). Reported-by: Josh Beavers <josh.beavers@gmail.com> Signed-off-by: Jason Gunthorpe <jgunthorpe@obsidianresearch.com> Signed-off-by: Doug Ledford <dledford@redhat.com>
* | IB/core: Protect against self-requeue of a cq work itemSagi Grimberg2017-03-241-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | We need to make sure that the cq work item does not run when we are destroying the cq. Unlike flush_work, cancel_work_sync protects against self-requeue of the work item (which we can do in ib_cq_poll_work). Signed-off-by: Sagi Grimberg <sagi@grimberg.me> Reviewed-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Bart Van Assche <bart.vanassche@sandisk.com>-- Reviewed-by: Leon Romanovsky <leonro@mellanox.com> Signed-off-by: Doug Ledford <dledford@redhat.com>
* | i40iw: Receive netdev events post INET_NOTIFIER stateShiraz Saleem2017-03-241-0/+8
|/ | | | | | | | | | | | | | | Netdev notification events are de-registered only when all client iwdev instances are removed. If a single client is closed and re-opened, netdev events could arrive even before the Control Queue-Pair (CQP) is created, causing a NULL pointer dereference crash in i40iw_get_cqp_request. Fix this by allowing netdev event notification only after we have reached the INET_NOTIFIER state with respect to device initialization. Reported-by: Stefan Assmann <sassmann@redhat.com> Signed-off-by: Shiraz Saleem <shiraz.saleem@intel.com> Reviewed-by: Yuval Shaia <yuval.shaia@oracle.com> Signed-off-by: Doug Ledford <dledford@redhat.com>
* sched/headers: Prepare to move the get_task_struct()/put_task_struct() and ↵Ingo Molnar2017-03-023-0/+3
| | | | | | | | | | | | | related APIs from <linux/sched.h> to <linux/sched/task.h> But first update usage sites with the new header dependency. Acked-by: Linus Torvalds <torvalds@linux-foundation.org> Cc: Mike Galbraith <efault@gmx.de> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: linux-kernel@vger.kernel.org Signed-off-by: Ingo Molnar <mingo@kernel.org>
* sched/headers: Prepare to remove the <linux/mm_types.h> dependency from ↵Ingo Molnar2017-03-022-2/+2
| | | | | | | | | | | | | | | <linux/sched.h> Update code that relied on sched.h including various MM types for them. This will allow us to remove the <linux/mm_types.h> include from <linux/sched.h>. Acked-by: Linus Torvalds <torvalds@linux-foundation.org> Cc: Mike Galbraith <efault@gmx.de> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: linux-kernel@vger.kernel.org Signed-off-by: Ingo Molnar <mingo@kernel.org>
* sched/headers: Prepare to move signal wakeup & sigpending methods from ↵Ingo Molnar2017-03-022-0/+2
| | | | | | | | | | | | | <linux/sched.h> into <linux/sched/signal.h> Fix up affected files that include this signal functionality via sched.h. Acked-by: Linus Torvalds <torvalds@linux-foundation.org> Cc: Mike Galbraith <efault@gmx.de> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: linux-kernel@vger.kernel.org Signed-off-by: Ingo Molnar <mingo@kernel.org>
* sched/headers: Prepare for new header dependencies before moving code to ↵Ingo Molnar2017-03-024-3/+4
| | | | | | | | | | | | | | | | | | | | <linux/sched/signal.h> We are going to split <linux/sched/signal.h> out of <linux/sched.h>, which will have to be picked up from other headers and a couple of .c files. Create a trivial placeholder <linux/sched/signal.h> file that just maps to <linux/sched.h> to make this patch obviously correct and bisectable. Include the new header in the files that are going to need it. Acked-by: Linus Torvalds <torvalds@linux-foundation.org> Cc: Mike Galbraith <efault@gmx.de> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: linux-kernel@vger.kernel.org Signed-off-by: Ingo Molnar <mingo@kernel.org>
* sched/headers: Prepare for new header dependencies before moving code to ↵Ingo Molnar2017-03-026-0/+7
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | <linux/sched/mm.h> We are going to split <linux/sched/mm.h> out of <linux/sched.h>, which will have to be picked up from other headers and a couple of .c files. Create a trivial placeholder <linux/sched/mm.h> file that just maps to <linux/sched.h> to make this patch obviously correct and bisectable. The APIs that are going to be moved first are: mm_alloc() __mmdrop() mmdrop() mmdrop_async_fn() mmdrop_async() mmget_not_zero() mmput() mmput_async() get_task_mm() mm_access() mm_release() Include the new header in the files that are going to need it. Acked-by: Linus Torvalds <torvalds@linux-foundation.org> Cc: Mike Galbraith <efault@gmx.de> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: linux-kernel@vger.kernel.org Signed-off-by: Ingo Molnar <mingo@kernel.org>
* sched/core: Remove the tsk_cpus_allowed() wrapperIngo Molnar2017-03-022-2/+2
| | | | | | | | | | | | | | | | | So the original intention of tsk_cpus_allowed() was to 'future-proof' the field - but it's pretty ineffectual at that, because half of the code uses ->cpus_allowed directly ... Also, the wrapper makes the code longer than the original expression! So just get rid of it. This also shrinks <linux/sched.h> a bit. Acked-by: Linus Torvalds <torvalds@linux-foundation.org> Cc: Mike Galbraith <efault@gmx.de> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: linux-kernel@vger.kernel.org Signed-off-by: Ingo Molnar <mingo@kernel.org>
* Merge branch 'akpm' (patches from Andrew)Linus Torvalds2017-02-275-7/+7
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Merge yet more updates from Andrew Morton: - a few MM remainders - misc things - autofs updates - signals - affs updates - ipc - nilfs2 - spelling.txt updates * emailed patches from Andrew Morton <akpm@linux-foundation.org>: (78 commits) mm, x86: fix HIGHMEM64 && PARAVIRT build config for native_pud_clear() mm: add arch-independent testcases for RODATA hfs: atomically read inode size mm: clarify mm_struct.mm_{users,count} documentation mm: use mmget_not_zero() helper mm: add new mmget() helper mm: add new mmgrab() helper checkpatch: warn when formats use %Z and suggest %z lib/vsprintf.c: remove %Z support scripts/spelling.txt: add some typo-words scripts/spelling.txt: add "followings" pattern and fix typo instances scripts/spelling.txt: add "therfore" pattern and fix typo instances scripts/spelling.txt: add "overwriten" pattern and fix typo instances scripts/spelling.txt: add "overwritting" pattern and fix typo instances scripts/spelling.txt: add "deintialize(d)" pattern and fix typo instances scripts/spelling.txt: add "disassocation" pattern and fix typo instances scripts/spelling.txt: add "omited" pattern and fix typo instances scripts/spelling.txt: add "explictely" pattern and fix typo instances scripts/spelling.txt: add "applys" pattern and fix typo instances scripts/spelling.txt: add "configuartion" pattern and fix typo instances ...
| * mm: add new mmgrab() helperVegard Nossum2017-02-271-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Apart from adding the helper function itself, the rest of the kernel is converted mechanically using: git grep -l 'atomic_inc.*mm_count' | xargs sed -i 's/atomic_inc(&\(.*\)->mm_count);/mmgrab\(\1\);/' git grep -l 'atomic_inc.*mm_count' | xargs sed -i 's/atomic_inc(&\(.*\)\.mm_count);/mmgrab\(\&\1\);/' This is needed for a later patch that hooks into the helper, but might be a worthwhile cleanup on its own. (Michal Hocko provided most of the kerneldoc comment.) Link: http://lkml.kernel.org/r/20161218123229.22952-1-vegard.nossum@oracle.com Signed-off-by: Vegard Nossum <vegard.nossum@oracle.com> Acked-by: Michal Hocko <mhocko@suse.com> Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org> Acked-by: David Rientjes <rientjes@google.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
| * scripts/spelling.txt: add "therfore" pattern and fix typo instancesMasahiro Yamada2017-02-271-3/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | Fix typos and add the following to the scripts/spelling.txt: therfore||therefore Besides, tidy up comment blocks for 80-col wrapping. Link: http://lkml.kernel.org/r/1481573103-11329-31-git-send-email-yamada.masahiro@socionext.com Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
| * scripts/spelling.txt: add "overwriten" pattern and fix typo instancesMasahiro Yamada2017-02-273-3/+3
| | | | | | | | | | | | | | | | | | | | | | Fix typos and add the following to the scripts/spelling.txt: overwrien||overwritten Link: http://lkml.kernel.org/r/1481573103-11329-30-git-send-email-yamada.masahiro@socionext.com Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* | Merge branch 'for-4.11' of ↵Linus Torvalds2017-02-276-6/+219
|\ \ | |/ |/| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup Pull cgroup updates from Tejun Heo: "Several noteworthy changes. - Parav's rdma controller is finally merged. It is very straight forward and can limit the abosolute numbers of common rdma constructs used by different cgroups. - kernel/cgroup.c got too chubby and disorganized. Created kernel/cgroup/ subdirectory and moved all cgroup related files under kernel/ there and reorganized the core code. This hurts for backporting patches but was long overdue. - cgroup v2 process listing reimplemented so that it no longer depends on allocating a buffer large enough to cache the entire result to sort and uniq the output. v2 has always mangled the sort order to ensure that users don't depend on the sorted output, so this shouldn't surprise anybody. This makes the pid listing functions use the same iterators that are used internally, which have to have the same iterating capabilities anyway. - perf cgroup filtering now works automatically on cgroup v2. This patch was posted a long time ago but somehow fell through the cracks. - misc fixes asnd documentation updates" * 'for-4.11' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup: (27 commits) kernfs: fix locking around kernfs_ops->release() callback cgroup: drop the matching uid requirement on migration for cgroup v2 cgroup, perf_event: make perf_event controller work on cgroup2 hierarchy cgroup: misc cleanups cgroup: call subsys->*attach() only for subsystems which are actually affected by migration cgroup: track migration context in cgroup_mgctx cgroup: cosmetic update to cgroup_taskset_add() rdmacg: Fixed uninitialized current resource usage cgroup: Add missing cgroup-v2 PID controller documentation. rdmacg: Added documentation for rdmacg IB/core: added support to use rdma cgroup controller rdmacg: Added rdma cgroup controller cgroup: fix a comment typo cgroup: fix RCU related sparse warnings cgroup: move namespace code to kernel/cgroup/namespace.c cgroup: rename functions for consistency cgroup: move v1 mount functions to kernel/cgroup/cgroup-v1.c cgroup: separate out cgroup1_kf_syscall_ops cgroup: refactor mount path and clearly distinguish v1 and v2 paths cgroup: move cgroup v1 specific code to kernel/cgroup/cgroup-v1.c ...
| * IB/core: added support to use rdma cgroup controllerParav Pandit2017-01-106-6/+219
| | | | | | | | | | | | | | | | | | | | | | | | | | Added support APIs for IB core to register/unregister every IB/RDMA device with rdma cgroup for tracking rdma resources. IB core registers with rdma cgroup controller. Added support APIs for uverbs layer to make use of rdma controller. Added uverbs layer to perform resource charge/uncharge functionality. Added support during query_device uverb operation to ensure it returns resource limits by honoring rdma cgroup configured limits. Signed-off-by: Parav Pandit <pandit.parav@gmail.com> Signed-off-by: Tejun Heo <tj@kernel.org>
* | Merge tag 'for-next-dma_ops' of ↵Linus Torvalds2017-02-2545-842/+58
|\ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/dledford/rdma Pull rdma DMA mapping updates from Doug Ledford: "Drop IB DMA mapping code and use core DMA code instead. Bart Van Assche noted that the ib DMA mapping code was significantly similar enough to the core DMA mapping code that with a few changes it was possible to remove the IB DMA mapping code entirely and switch the RDMA stack to use the core DMA mapping code. This resulted in a nice set of cleanups, but touched the entire tree and has been kept separate for that reason." * tag 'for-next-dma_ops' of git://git.kernel.org/pub/scm/linux/kernel/git/dledford/rdma: (37 commits) IB/rxe, IB/rdmavt: Use dma_virt_ops instead of duplicating it IB/core: Remove ib_device.dma_device nvme-rdma: Switch from dma_device to dev.parent RDS: net: Switch from dma_device to dev.parent IB/srpt: Modify a debug statement IB/srp: Switch from dma_device to dev.parent IB/iser: Switch from dma_device to dev.parent IB/IPoIB: Switch from dma_device to dev.parent IB/rxe: Switch from dma_device to dev.parent IB/vmw_pvrdma: Switch from dma_device to dev.parent IB/usnic: Switch from dma_device to dev.parent IB/qib: Switch from dma_device to dev.parent IB/qedr: Switch from dma_device to dev.parent IB/ocrdma: Switch from dma_device to dev.parent IB/nes: Remove a superfluous assignment statement IB/mthca: Switch from dma_device to dev.parent IB/mlx5: Switch from dma_device to dev.parent IB/mlx4: Switch from dma_device to dev.parent IB/i40iw: Remove a superfluous assignment statement IB/hns: Switch from dma_device to dev.parent ...
| * | IB/rxe, IB/rdmavt: Use dma_virt_ops instead of duplicating itBart Van Assche2017-01-2412-446/+11
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Make the rxe and rdmavt drivers use dma_virt_ops. Update the comments that refer to the source files removed by this patch. Remove struct ib_dma_mapping_ops. Remove ib_device.dma_ops. Signed-off-by: Bart Van Assche <bart.vanassche@sandisk.com> Cc: Andrew Boyer <andrew.boyer@dell.com> Cc: Dennis Dalessandro <dennis.dalessandro@intel.com> Cc: Jonathan Toppins <jtoppins@redhat.com> Cc: Alex Estrin <alex.estrin@intel.com> Cc: Leon Romanovsky <leonro@mellanox.com> Reviewed-by: Leon Romanovsky <leonro@mellanox.com> Signed-off-by: Doug Ledford <dledford@redhat.com>
| * | IB/core: Remove ib_device.dma_deviceBart Van Assche2017-01-241-8/+9
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Add code in ib_register_device() for copying the DMA masks. Use &ib_device.dev in DMA mapping operations instead of dma_device. Remove ib_device.dma_device because due to this and previous patches it is no longer used. Signed-off-by: Bart Van Assche <bart.vanassche@sandisk.com> Signed-off-by: Doug Ledford <dledford@redhat.com>
| * | IB/srpt: Modify a debug statementBart Van Assche2017-01-241-2/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | Since a later patch will remove ib_device.dma_device and since knowing the value of that pointer is not too important, remove dma_device from the debug output. Signed-off-by: Bart Van Assche <bart.vanassche@sandisk.com> Signed-off-by: Doug Ledford <dledford@redhat.com>
| * | IB/srp: Switch from dma_device to dev.parentBart Van Assche2017-01-241-2/+2
| | | | | | | | | | | | | | | | | | | | | | | | Prepare for removal of ib_device.dma_device. Signed-off-by: Bart Van Assche <bart.vanassche@sandisk.com> Cc: Sagi Grimberg <sagi@grimberg.me> Signed-off-by: Doug Ledford <dledford@redhat.com>
| * | IB/iser: Switch from dma_device to dev.parentBart Van Assche2017-01-241-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | Prepare for removal of ib_device.dma_device. Signed-off-by: Bart Van Assche <bart.vanassche@sandisk.com> Cc: Sagi Grimberg <sagi@grimberg.me> Signed-off-by: Doug Ledford <dledford@redhat.com>
| * | IB/IPoIB: Switch from dma_device to dev.parentBart Van Assche2017-01-242-2/+2
| | | | | | | | | | | | | | | | | | | | | Prepare for removal of ib_device.dma_device. Signed-off-by: Bart Van Assche <bart.vanassche@sandisk.com> Signed-off-by: Doug Ledford <dledford@redhat.com>
| * | IB/rxe: Switch from dma_device to dev.parentBart Van Assche2017-01-241-3/+3
| | | | | | | | | | | | | | | | | | | | | | | | Prepare for removal of ib_device.dma_device. Signed-off-by: Bart Van Assche <bart.vanassche@sandisk.com> Cc: Moni Shoua <monis@mellanox.com> Signed-off-by: Doug Ledford <dledford@redhat.com>
| * | IB/vmw_pvrdma: Switch from dma_device to dev.parentBart Van Assche2017-01-241-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Prepare for removal of ib_device.dma_device. Signed-off-by: Bart Van Assche <bart.vanassche@sandisk.com> Cc: Adit Ranadive <aditr@vmware.com> Cc: VMware PV-Drivers <pv-drivers@vmware.com> Acked-by: Adit Ranadive <aditr@vmware.com> Signed-off-by: Doug Ledford <dledford@redhat.com>
| * | IB/usnic: Switch from dma_device to dev.parentBart Van Assche2017-01-241-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | Prepare for removal of ib_device.dma_device. Signed-off-by: Bart Van Assche <bart.vanassche@sandisk.com> Cc: Christian Benvenuti <benve@cisco.com> Cc: Dave Goodell <dgoodell@cisco.com> Signed-off-by: Doug Ledford <dledford@redhat.com>
| * | IB/qib: Switch from dma_device to dev.parentBart Van Assche2017-01-241-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | Prepare for removal of ib_device.dma_device. Signed-off-by: Bart Van Assche <bart.vanassche@sandisk.com> Cc: Latif <faisal.latif@intel.com> Signed-off-by: Doug Ledford <dledford@redhat.com>
| * | IB/qedr: Switch from dma_device to dev.parentBart Van Assche2017-01-241-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | Prepare for removal of ib_device.dma_device. Signed-off-by: Bart Van Assche <bart.vanassche@sandisk.com> Cc: Ram Amrani <Ram.Amrani@cavium.com> Cc: Michal Kalderon <Michal.Kalderon@cavium.com> Signed-off-by: Doug Ledford <dledford@redhat.com>
| * | IB/ocrdma: Switch from dma_device to dev.parentBart Van Assche2017-01-241-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | Prepare for removal of ib_device.dma_device. Signed-off-by: Bart Van Assche <bart.vanassche@sandisk.com> Cc: Selvin Xavier <selvin.xavier@avagotech.com> Cc: Devesh Sharma <devesh.sharma@avagotech.com> Signed-off-by: Doug Ledford <dledford@redhat.com>
| * | IB/nes: Remove a superfluous assignment statementBart Van Assche2017-01-241-1/+0
| | | | | | | | | | | | | | | | | | | | | | | | Prepare for removal of ib_device.dma_device. Signed-off-by: Bart Van Assche <bart.vanassche@sandisk.com> Cc: Faisal Latif <faisal.latif@intel.com> Signed-off-by: Doug Ledford <dledford@redhat.com>
| * | IB/mthca: Switch from dma_device to dev.parentBart Van Assche2017-01-241-1/+1
| | | | | | | | | | | | | | | | | | | | | Prepare for removal of ib_device.dma_device. Signed-off-by: Bart Van Assche <bart.vanassche@sandisk.com> Signed-off-by: Doug Ledford <dledford@redhat.com>
| * | IB/mlx5: Switch from dma_device to dev.parentBart Van Assche2017-01-242-8/+8
| | | | | | | | | | | | | | | | | | | | | | | | Signed-off-by: Bart Van Assche <bart.vanassche@sandisk.com> Cc: Matan Barak <matanb@mellanox.com> Cc: Leon Romanovsky <leonro@mellanox.com> Acked-by: Leon Romanovsky <leonro@mellanox.com> Signed-off-by: Doug Ledford <dledford@redhat.com>
| * | IB/mlx4: Switch from dma_device to dev.parentBart Van Assche2017-01-243-5/+5
| | | | | | | | | | | | | | | | | | | | | | | | Prepare for removal of ib_device.dma_device. Signed-off-by: Bart Van Assche <bart.vanassche@sandisk.com> Cc: Yishai Hadas <yishaih@mellanox.com> Signed-off-by: Doug Ledford <dledford@redhat.com>
| * | IB/i40iw: Remove a superfluous assignment statementBart Van Assche2017-01-241-1/+0
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Due to a previous patch initializing ib_device.dev.parent is sufficient and initializing dma_device is no longer needed. Signed-off-by: Bart Van Assche <bart.vanassche@sandisk.com> Cc: Faisal Latif <faisal.latif@intel.com> Cc: Shiraz Saleem <shiraz.saleem@intel.com> Acked-by: Shiraz Saleem <shiraz.saleem@intel.com> Signed-off-by: Doug Ledford <dledford@redhat.com>
| * | IB/hns: Switch from dma_device to dev.parentBart Van Assche2017-01-242-2/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | Prepare for removal of ib_device.dma_device. Signed-off-by: Bart Van Assche <bart.vanassche@sandisk.com> Cc: Lijun Ou <oulijun@huawei.com> Cc: Wei Hu(Xavier) <xavier.huwei@huawei.com> Signed-off-by: Doug Ledford <dledford@redhat.com>
| * | IB/hfi1: Switch from dma_device to dev.parentBart Van Assche2017-01-242-2/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | Prepare for removal of ib_device.dma_device. Signed-off-by: Bart Van Assche <bart.vanassche@sandisk.com> Cc: Mike Marciniszyn <mike.marciniszyn@intel.com> Cc: Dennis Dalessandro <dennis.dalessandro@intel.com> Signed-off-by: Doug Ledford <dledford@redhat.com>
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-12 19:44:35 +0000