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* kill d_instantiate_no_diralias()Al Viro2018-08-023-32/+11
| | | | | | | | | | | | | The only user is fuse_create_new_entry(), and there it's used to mitigate the same mkdir/open-by-handle race as in nfs_mkdir(). The same solution applies - unhash the mkdir argument, then call d_splice_alias() and if that returns a reference to preexisting alias, dput() and report success. ->mkdir() argument left unhashed negative with the preexisting alias moved in the right place is just fine from the ->mkdir() callers point of view. Cc: Miklos Szeredi <miklos@szeredi.hu> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
* nfs_instantiate(): prevent multiple aliases for directory inodeAl Viro2018-06-281-3/+6
| | | | | | | | | | | | | | | | | | | | | | | | | | | | Since NFS allows open-by-fhandle, we have to cope with the possibility of mkdir vs. open-by-guessed-handle races. A local filesystem could decide what the inumber of the new object will be and insert a locked inode with that inumber into icache _before_ the on-disk data structures begin to look good and unlock it only once it has a dentry alias, so that open-by-handle coming first would quietly fail and mkdir coming first would have open-by-handle grab its dentry. For NFS it's a non-starter - the icache key is server-supplied fhandle and we do not get that until the object has been fully created on server. We really have to deal with the possibility that open-by-handle gets the in-core inode and attaches a dentry to it before mkdir does. Solution: let nfs_mkdir() use d_splice_alias() to catch those. We can * get an error. Just return it to our caller. * get NULL - no preexisting dentry aliases, we'd just done what d_add() would've done. Success. * get a reference to preexisting alias. In that case the alias had been moved in place of nfs_mkdir() argument (and hashed there), while nfs_mkdir() argument is left unhashed negative. Which is just fine for ->mkdir() callers, all we need is to release the reference we'd got from d_splice_alias() and report success. Cc: Trond Myklebust <trond.myklebust@primarydata.com> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
* proc: add proc_seq_releaseChunyu Hu2018-06-281-1/+10
| | | | | | | | | | | | | | | | | | kmemleak reported some memory leak on reading proc files. After adding some debug lines, find that proc_seq_fops is using seq_release as release handler, which won't handle the free of 'private' field of seq_file, while in fact the open handler proc_seq_open could create the private data with __seq_open_private when state_size is greater than zero. So after reading files created with proc_create_seq_private, such as /proc/timer_list and /proc/vmallocinfo, the private mem of a seq_file is not freed. Fix it by adding the paired proc_seq_release as the default release handler of proc_seq_ops instead of seq_release. Fixes: 44414d82cfe0 ("proc: introduce proc_create_seq_private") Reviewed-by: Christoph Hellwig <hch@lst.de> CC: Christoph Hellwig <hch@lst.de> Signed-off-by: Chunyu Hu <chuhu@redhat.com> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
* Linux 4.18-rc1v4.18-rc1Linus Torvalds2018-06-171-2/+2
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* Merge tag 'for-linus-20180616' of git://git.kernel.dk/linux-blockLinus Torvalds2018-06-1616-275/+174
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Pull block fixes from Jens Axboe: "A collection of fixes that should go into -rc1. This contains: - bsg_open vs bsg_unregister race fix (Anatoliy) - NVMe pull request from Christoph, with fixes for regressions in this window, FC connect/reconnect path code unification, and a trace point addition. - timeout fix (Christoph) - remove a few unused functions (Christoph) - blk-mq tag_set reinit fix (Roman)" * tag 'for-linus-20180616' of git://git.kernel.dk/linux-block: bsg: fix race of bsg_open and bsg_unregister block: remov blk_queue_invalidate_tags nvme-fabrics: fix and refine state checks in __nvmf_check_ready nvme-fabrics: handle the admin-only case properly in nvmf_check_ready nvme-fabrics: refactor queue ready check blk-mq: remove blk_mq_tagset_iter nvme: remove nvme_reinit_tagset nvme-fc: fix nulling of queue data on reconnect nvme-fc: remove reinit_request routine blk-mq: don't time out requests again that are in the timeout handler nvme-fc: change controllers first connect to use reconnect path nvme: don't rely on the changed namespace list log nvmet: free smart-log buffer after use nvme-rdma: fix error flow during mapping request data nvme: add bio remapping tracepoint nvme: fix NULL pointer dereference in nvme_init_subsystem blk-mq: reinit q->tag_set_list entry only after grace period
| * bsg: fix race of bsg_open and bsg_unregisterAnatoliy Glagolev2018-06-151-11/+11
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The existing implementation allows races between bsg_unregister and bsg_open paths. bsg_unregister and request_queue cleanup and deletion may start and complete right after bsg_get_device (in bsg_open path) retrieves bsg_class_device and releases the mutex. Then bsg_open path touches freed memory of bsg_class_device and request_queue. One possible fix is to hold the mutex all the way through bsg_get_device instead of releasing it after bsg_class_device retrieval. Reviewed-by: Christoph Hellwig <hch@lst.de> Signed-Off-By: Anatoliy Glagolev <glagolig@gmail.com> Signed-off-by: Jens Axboe <axboe@kernel.dk>
| * block: remov blk_queue_invalidate_tagsChristoph Hellwig2018-06-153-38/+1
| | | | | | | | | | | | | | | | This function is entirely unused, so remove it and the tag_queue_busy member of struct request_queue. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Jens Axboe <axboe@kernel.dk>
| * Merge branch 'nvme-4.18' of git://git.infradead.org/nvme into for-linusJens Axboe2018-06-1511-224/+154
| |\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Pull NVMe fixes from Christoph: "Fix various little regressions introduced in this merge window, plus a rework of the fibre channel connect and reconnect path to share the code instead of having separate sets of bugs. Last but not least a trivial trace point addition from Hannes." * 'nvme-4.18' of git://git.infradead.org/nvme: nvme-fabrics: fix and refine state checks in __nvmf_check_ready nvme-fabrics: handle the admin-only case properly in nvmf_check_ready nvme-fabrics: refactor queue ready check blk-mq: remove blk_mq_tagset_iter nvme: remove nvme_reinit_tagset nvme-fc: fix nulling of queue data on reconnect nvme-fc: remove reinit_request routine nvme-fc: change controllers first connect to use reconnect path nvme: don't rely on the changed namespace list log nvmet: free smart-log buffer after use nvme-rdma: fix error flow during mapping request data nvme: add bio remapping tracepoint nvme: fix NULL pointer dereference in nvme_init_subsystem
| | * nvme-fabrics: fix and refine state checks in __nvmf_check_readyChristoph Hellwig2018-06-151-20/+19
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | - make sure we only allow internally generates commands in any non-live state - only allow connect commands on non-live queues when actually in the new or connecting states - treat all other non-live, non-dead states the same as a default cach-all This fixes a regression where we could not shutdown a controller orderly as we didn't allow the internal generated Property Set command, and also ensures we don't accidentally let a Connect command through in the wrong state. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: James Smart <james.smart@broadcom.com>
| | * nvme-fabrics: handle the admin-only case properly in nvmf_check_readyChristoph Hellwig2018-06-151-1/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | In the ADMIN_ONLY state we don't have any I/O queues, but we should accept all admin commands without further checks. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de> Reviewed-by: James Smart <james.smart@broadcom.com>
| | * nvme-fabrics: refactor queue ready checkChristoph Hellwig2018-06-155-50/+45
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Move the is_connected check to the fibre channel transport, as it has no meaning for other transports. To facilitate this split out a new nvmf_fail_nonready_command helper that is called by the transport when it is asked to handle a command on a queue that is not ready. Also avoid a function call for the queue live fast path by inlining the check. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: James Smart <james.smart@broadcom.com>
| | * blk-mq: remove blk_mq_tagset_iterChristoph Hellwig2018-06-142-31/+0
| | | | | | | | | | | | | | | | | | | | | Unused now that nvme stopped using it. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Jens Axboe <axboe@kernel.dk>
| | * nvme: remove nvme_reinit_tagsetChristoph Hellwig2018-06-142-12/+0
| | | | | | | | | | | | | | | | | | | | | Unused now that all transports stopped using it. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Jens Axboe <axboe@kernel.dk>
| | * nvme-fc: fix nulling of queue data on reconnectJames Smart2018-06-141-6/+5
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The reconnect path is calling the init routines to clear a queue structure. But the queue structure has state that perhaps needs to persist as long as the controller is live. Remove the nvme_fc_init_queue() calls on reconnect. The nvme_fc_free_queue() calls will clear state bits and reset any relevant queue state for a new connection. Signed-off-by: James Smart <james.smart@broadcom.com> Reviewed-by: Hannes Reinecke <hare@suse.com> Signed-off-by: Christoph Hellwig <hch@lst.de>
| | * nvme-fc: remove reinit_request routineJames Smart2018-06-141-20/+0
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The reinit_request routine is not necessary. Remove support for the op callback. As all that nvme_reinit_tagset() does is itterate and call the reinit routine, it too has no purpose. Remove the call. Signed-off-by: James Smart <james.smart@broadcom.com> Reviewed-by: Hannes Reinecke <hare@suse.com> Signed-off-by: Christoph Hellwig <hch@lst.de>
| | * nvme-fc: change controllers first connect to use reconnect pathJames Smart2018-06-141-57/+47
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Current code follows the framework that has been in the transports from the beginning where initial link-side controller connect occurs as part of "creating the controller". Thus that first connect fully talks to the controller and obtains values that can then be used in for blk-mq setup, etc. It also means that everything about the controller is fully know before the "create controller" call returns. This has several weaknesses: - The initial create_ctrl call made by the cli will block for a long time as wire transactions are performed synchronously. This delay becomes longer if errors occur or connectivity is lost and retries need to be performed. - Code wise, it means there is a separate connect path for initial controller connect vs the (same) steps used in the reconnect path. - And as there's separate paths, it means there's separate error handling and retry logic. It also plays havoc with the NEW state (should transition out of it after successful initial connect) vs the RESETTING and CONNECTING (reconnect) states that want to be transitioned to on error. - As there's separate paths, to recover from errors and disruptions, it requires separate recovery/retry paths as well and can severely convolute the controller state. This patch reworks the fc transport to use the same connect paths for the initial connection as it uses for reconnect. This makes a single path for error recovery and handling. This patch: - Removes the driving of the initial connect and replaces it with a state transition to CONNECTING and initiating the reconnect thread. A dummy state transition of RESETTING had to be traversed as a direct transtion of NEW->CONNECTING is not allowed. Given that the controller is "new", the RESETTING transition is a simple no-op. Once in the reconnecting thread, the normal behaviors of ctrl_loss_tmo (max_retries * connect_delay) and dev_loss_tmo will apply before the controller is torn down. - Only if the state transitions couldn't be traversed and the reconnect thread not scheduled, will the controller be torn down while in create_ctrl. - The prior code used the controller state of NEW to indicate whether request queues had been initialized or not. For the admin queue, the request queue is always created, so there's no need to check a state. For IO queues, change to tracking whether a successful io request queue create has occurred (e.g. 1st successful connect). - The initial controller id is initialized to the dynamic controller id used in the initial connect message. It will be overwritten by the real controller id once the controller is connected on the wire. Signed-off-by: James Smart <james.smart@broadcom.com> Signed-off-by: Christoph Hellwig <hch@lst.de>
| | * nvme: don't rely on the changed namespace list logChristoph Hellwig2018-06-131-25/+11
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Don't optimize our namespace rescan based on the changed namespace list log page as userspace might have changed the content through reading it. Suggested-by: Keith Busch <keith.busch@linux.intel.com> Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Keith Busch <keith.busch@linux.intel.com> Reviewed-by: Hannes Reinecke <hare@suse.com>
| | * nvmet: free smart-log buffer after useChaitanya Kulkarni2018-06-111-1/+3
| | | | | | | | | | | | | | | | | | | | | Free smart-log buffer allocated in the function after use. Signed-off-by: Chaitanya Kulkarni <chaitanya.kulkarni@wdc.com> Signed-off-by: Christoph Hellwig <hch@lst.de>
| | * nvme-rdma: fix error flow during mapping request dataMax Gurtovoy2018-06-111-7/+24
| | | | | | | | | | | | | | | | | | | | | | | | After dma mapping the sgl, we map the sgl to nvme sgl descriptor. In case of failure during the last mapping we never dma unmap the sgl. Signed-off-by: Max Gurtovoy <maxg@mellanox.com> Signed-off-by: Christoph Hellwig <hch@lst.de>
| | * nvme: add bio remapping tracepointHannes Reinecke2018-06-111-0/+4
| | | | | | | | | | | | | | | | | | | | | | | | Adding a tracepoint to trace bio remapping for native nvme multipath. Signed-off-by: Hannes Reinecke <hare@suse.com> Reviewed-by: Sagi Grimberg <sagi@grimberg.me> Signed-off-by: Christoph Hellwig <hch@lst.de>
| | * nvme: fix NULL pointer dereference in nvme_init_subsystemIsrael Rukshin2018-06-111-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | When using nvme-pci driver the nvmf_ctrl_options is NULL. There is no need to check for discovery_nqn flag at non-fabrics controller. Fixes: 181303d0 ("nvme-fabrics: allow duplicate connections to the discovery controller") Signed-off-by: Israel Rukshin <israelr@mellanox.com> Reviewed-by: Max Gurtovoy <maxg@mellanox.com> Signed-off-by: Christoph Hellwig <hch@lst.de>
| * | blk-mq: don't time out requests again that are in the timeout handlerChristoph Hellwig2018-06-142-0/+7
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | We can currently call the timeout handler again on a request that has already been handed over to the timeout handler. Prevent that with a new flag. Fixes: 12f5b931 ("blk-mq: Remove generation seqeunce") Reported-by: Andrew Randrianasulu <randrianasulu@gmail.com> Tested-by: Andrew Randrianasulu <randrianasulu@gmail.com> Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Jens Axboe <axboe@kernel.dk>
| * | blk-mq: reinit q->tag_set_list entry only after grace periodRoman Pen2018-06-111-2/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | It is not allowed to reinit q->tag_set_list list entry while RCU grace period has not completed yet, otherwise the following soft lockup in blk_mq_sched_restart() happens: [ 1064.252652] watchdog: BUG: soft lockup - CPU#12 stuck for 23s! [fio:9270] [ 1064.254445] task: ffff99b912e8b900 task.stack: ffffa6d54c758000 [ 1064.254613] RIP: 0010:blk_mq_sched_restart+0x96/0x150 [ 1064.256510] Call Trace: [ 1064.256664] <IRQ> [ 1064.256824] blk_mq_free_request+0xea/0x100 [ 1064.256987] msg_io_conf+0x59/0xd0 [ibnbd_client] [ 1064.257175] complete_rdma_req+0xf2/0x230 [ibtrs_client] [ 1064.257340] ? ibtrs_post_recv_empty+0x4d/0x70 [ibtrs_core] [ 1064.257502] ibtrs_clt_rdma_done+0xd1/0x1e0 [ibtrs_client] [ 1064.257669] ib_create_qp+0x321/0x380 [ib_core] [ 1064.257841] ib_process_cq_direct+0xbd/0x120 [ib_core] [ 1064.258007] irq_poll_softirq+0xb7/0xe0 [ 1064.258165] __do_softirq+0x106/0x2a2 [ 1064.258328] irq_exit+0x92/0xa0 [ 1064.258509] do_IRQ+0x4a/0xd0 [ 1064.258660] common_interrupt+0x7a/0x7a [ 1064.258818] </IRQ> Meanwhile another context frees other queue but with the same set of shared tags: [ 1288.201183] INFO: task bash:5910 blocked for more than 180 seconds. [ 1288.201833] bash D 0 5910 5820 0x00000000 [ 1288.202016] Call Trace: [ 1288.202315] schedule+0x32/0x80 [ 1288.202462] schedule_timeout+0x1e5/0x380 [ 1288.203838] wait_for_completion+0xb0/0x120 [ 1288.204137] __wait_rcu_gp+0x125/0x160 [ 1288.204287] synchronize_sched+0x6e/0x80 [ 1288.204770] blk_mq_free_queue+0x74/0xe0 [ 1288.204922] blk_cleanup_queue+0xc7/0x110 [ 1288.205073] ibnbd_clt_unmap_device+0x1bc/0x280 [ibnbd_client] [ 1288.205389] ibnbd_clt_unmap_dev_store+0x169/0x1f0 [ibnbd_client] [ 1288.205548] kernfs_fop_write+0x109/0x180 [ 1288.206328] vfs_write+0xb3/0x1a0 [ 1288.206476] SyS_write+0x52/0xc0 [ 1288.206624] do_syscall_64+0x68/0x1d0 [ 1288.206774] entry_SYSCALL_64_after_hwframe+0x3d/0xa2 What happened is the following: 1. There are several MQ queues with shared tags. 2. One queue is about to be freed and now task is in blk_mq_del_queue_tag_set(). 3. Other CPU is in blk_mq_sched_restart() and loops over all queues in tag list in order to find hctx to restart. Because linked list entry was modified in blk_mq_del_queue_tag_set() without proper waiting for a grace period, blk_mq_sched_restart() never ends, spining in list_for_each_entry_rcu_rr(), thus soft lockup. Fix is simple: reinit list entry after an RCU grace period elapsed. Fixes: Fixes: 705cda97ee3a ("blk-mq: Make it safe to use RCU to iterate over blk_mq_tag_set.tag_list") Cc: stable@vger.kernel.org Cc: Sagi Grimberg <sagi@grimberg.me> Cc: linux-block@vger.kernel.org Reviewed-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Ming Lei <ming.lei@redhat.com> Reviewed-by: Bart Van Assche <bart.vanassche@wdc.com> Signed-off-by: Roman Pen <roman.penyaev@profitbricks.com> Signed-off-by: Jens Axboe <axboe@kernel.dk>
* | | Merge tag 'docs-broken-links' of git://linuxtv.org/mchehab/experimentalLinus Torvalds2018-06-16206-339/+372
|\ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Pull documentation fixes from Mauro Carvalho Chehab: "This solves a series of broken links for files under Documentation, and improves a script meant to detect such broken links (see scripts/documentation-file-ref-check). The changes on this series are: - can.rst: fix a footnote reference; - crypto_engine.rst: Fix two parsing warnings; - Fix a lot of broken references to Documentation/*; - improve the scripts/documentation-file-ref-check script, in order to help detecting/fixing broken references, preventing false-positives. After this patch series, only 33 broken references to doc files are detected by scripts/documentation-file-ref-check" * tag 'docs-broken-links' of git://linuxtv.org/mchehab/experimental: (26 commits) fix a series of Documentation/ broken file name references Documentation: rstFlatTable.py: fix a broken reference ABI: sysfs-devices-system-cpu: remove a broken reference devicetree: fix a series of wrong file references devicetree: fix name of pinctrl-bindings.txt devicetree: fix some bindings file names MAINTAINERS: fix location of DT npcm files MAINTAINERS: fix location of some display DT bindings kernel-parameters.txt: fix pointers to sound parameters bindings: nvmem/zii: Fix location of nvmem.txt docs: Fix more broken references scripts/documentation-file-ref-check: check tools/*/Documentation scripts/documentation-file-ref-check: get rid of false-positives scripts/documentation-file-ref-check: hint: dash or underline scripts/documentation-file-ref-check: add a fix logic for DT scripts/documentation-file-ref-check: accept more wildcards at filenames scripts/documentation-file-ref-check: fix help message media: max2175: fix location of driver's companion documentation media: v4l: fix broken video4linux docs locations media: dvb: point to the location of the old README.dvb-usb file ...
| * | | fix a series of Documentation/ broken file name referencesMauro Carvalho Chehab2018-06-158-9/+10
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | As files move around, their previous links break. Fix the references for them. Acked-by: Andy Shevchenko <andy.shevchenko@gmail.com> Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org> Acked-by: Jonathan Corbet <corbet@lwn.net>
| * | | Documentation: rstFlatTable.py: fix a broken referenceMauro Carvalho Chehab2018-06-151-2/+0
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The old HOWTO was removed a long time ago. The flat table version is not metioned elsewhere, so just get rid of the text. Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org> Acked-by: Jonathan Corbet <corbet@lwn.net>
| * | | ABI: sysfs-devices-system-cpu: remove a broken referenceMauro Carvalho Chehab2018-06-151-3/+0
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This file doesn't exist anymore: Documentation/cpu-freq/user-guide.txt As the ABI already points to Documentation/cpu-freq, just remove the broken link and the associated text. Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org> Acked-by: Jonathan Corbet <corbet@lwn.net>
| * | | devicetree: fix a series of wrong file referencesMauro Carvalho Chehab2018-06-158-14/+14
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | As files got renamed, their references broke. Manually fix a series of broken refs at the DT bindings. Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org> Acked-by: Jonathan Corbet <corbet@lwn.net>
| * | | devicetree: fix name of pinctrl-bindings.txtMauro Carvalho Chehab2018-06-159-12/+12
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Rename: pinctrl-binding.txt -> pinctrl-bindings.txt In order to match the current name of this file. Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org> Acked-by: Jonathan Corbet <corbet@lwn.net>
| * | | devicetree: fix some bindings file namesMauro Carvalho Chehab2018-06-153-3/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | There were some file movements that changed the location for some DT bindings. Fix them with: scripts/documentation-file-ref-check --fix After manually checking if the new file makes sense. Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org> Acked-by: Jonathan Corbet <corbet@lwn.net>
| * | | MAINTAINERS: fix location of DT npcm filesMauro Carvalho Chehab2018-06-151-1/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The specified locations are not right. Fix the wildcard logic to point to the correct directories. Without that, get-maintainer won't get things right: $ ./scripts/get_maintainer.pl --no-git-fallback --no-r --no-n --no-l -f Documentation/devicetree/bindings/arm/cpu-enable-method/nuvoton,npcm750-smp robh+dt@kernel.org (maintainer:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS) mark.rutland@arm.com (maintainer:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS) After the patch, it will properly point to NPCM arch maintainers: $ ./scripts/get_maintainer.pl --no-git-fallback --no-r --no-n --no-l -f Documentation/devicetree/bindings/arm/cpu-enable-method/nuvoton,npcm750-smp avifishman70@gmail.com (supporter:ARM/NUVOTON NPCM ARCHITECTURE) tmaimon77@gmail.com (supporter:ARM/NUVOTON NPCM ARCHITECTURE) robh+dt@kernel.org (maintainer:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS) mark.rutland@arm.com (maintainer:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS) Cc: Avi Fishman <avifishman70@gmail.com> Cc: Tomer Maimon <tmaimon77@gmail.com> Cc: Patrick Venture <venture@google.com> Cc: Nancy Yuen <yuenn@google.com> Cc: Brendan Higgins <brendanhiggins@google.com> Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org> Acked-by: Jonathan Corbet <corbet@lwn.net>
| * | | MAINTAINERS: fix location of some display DT bindingsMauro Carvalho Chehab2018-06-151-3/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Those files got a manufacturer's name prepended and were moved around. Adjust their references accordingly. Also, due those movements, Documentation/devicetree/bindings/video doesn't exist anymore. Cc: David Airlie <airlied@linux.ie> Cc: David Lechner <david@lechnology.com> Cc: Peter Senna Tschudin <peter.senna@collabora.com> Cc: Martin Donnelly <martin.donnelly@ge.com> Cc: Martyn Welch <martyn.welch@collabora.co.uk> Cc: Stefan Agner <stefan@agner.ch> Cc: Alison Wang <alison.wang@nxp.com> Cc: Eric Anholt <eric@anholt.net> Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org> Acked-by: Jonathan Corbet <corbet@lwn.net>
| * | | kernel-parameters.txt: fix pointers to sound parametersMauro Carvalho Chehab2018-06-151-4/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The alsa parameters file was renamed to alsa-configuration.rst. With regards to OSS, it got retired as a hole by at changeset 727dede0ba8a ("sound: Retire OSS"). So, it doesn't make sense to keep mentioning it at kernel-parameters.txt. Fixes: 727dede0ba8a ("sound: Retire OSS") Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org> Acked-by: Jonathan Corbet <corbet@lwn.net>
| * | | bindings: nvmem/zii: Fix location of nvmem.txtMauro Carvalho Chehab2018-06-151-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The location pointed there is missing "bindings/" on its path. Acked-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org> Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org> Acked-by: Jonathan Corbet <corbet@lwn.net>
| * | | docs: Fix more broken referencesMauro Carvalho Chehab2018-06-1523-41/+41
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | As we move stuff around, some doc references are broken. Fix some of them via this script: ./scripts/documentation-file-ref-check --fix Manually checked that produced results are valid. Acked-by: Matthias Brugger <matthias.bgg@gmail.com> Acked-by: Takashi Iwai <tiwai@suse.de> Acked-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com> Acked-by: Guenter Roeck <linux@roeck-us.net> Acked-by: Miguel Ojeda <miguel.ojeda.sandonis@gmail.com> Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org> Acked-by: Jonathan Corbet <corbet@lwn.net>
| * | | scripts/documentation-file-ref-check: check tools/*/DocumentationMauro Carvalho Chehab2018-06-151-0/+7
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Some files, like tools/memory-model/README has references to a Documentation file that is locale to it. Handle references that are relative to them too. Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org> Acked-by: Jonathan Corbet <corbet@lwn.net>
| * | | scripts/documentation-file-ref-check: get rid of false-positivesMauro Carvalho Chehab2018-06-151-3/+18
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Now that the number of broken refs are smaller, improve the logic that gets rid of false-positives. Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org> Acked-by: Jonathan Corbet <corbet@lwn.net>
| * | | scripts/documentation-file-ref-check: hint: dash or underlineMauro Carvalho Chehab2018-06-151-0/+6
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Sometimes, people use dash instead of underline or vice-versa. Try to autocorrect it. Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org> Acked-by: Jonathan Corbet <corbet@lwn.net>
| * | | scripts/documentation-file-ref-check: add a fix logic for DTMauro Carvalho Chehab2018-06-151-3/+17
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | There are several links broken due to DT file movements. Add a hint logic to seek for those changes. Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org> Acked-by: Jonathan Corbet <corbet@lwn.net>
| * | | scripts/documentation-file-ref-check: accept more wildcards at filenamesMauro Carvalho Chehab2018-06-151-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | at MAINTAINERS, some filename paths use '?' and things like [7,9]. So, accept more wildcards, in order to avoid false-positives. Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org> Acked-by: Jonathan Corbet <corbet@lwn.net>
| * | | scripts/documentation-file-ref-check: fix help messageMauro Carvalho Chehab2018-06-151-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The name of the --fix option was renamed, but it was not changed at the quick help message. Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org> Acked-by: Jonathan Corbet <corbet@lwn.net>
| * | | media: max2175: fix location of driver's companion documentationMauro Carvalho Chehab2018-06-151-3/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | There's a missing ".rst" at the doc's file name. Acked-by: Ramesh Shanmugasundaram <Ramesh.shanmugasundaram@bp.renesas.com> Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org> Acked-by: Jonathan Corbet <corbet@lwn.net>
| * | | media: v4l: fix broken video4linux docs locationsMauro Carvalho Chehab2018-06-157-15/+13
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | There are several places pointing to old documentation files: Documentation/video4linux/API.html Documentation/video4linux/bttv/ Documentation/video4linux/cx2341x/fw-encoder-api.txt Documentation/video4linux/m5602.txt Documentation/video4linux/v4l2-framework.txt Documentation/video4linux/videobuf Documentation/video4linux/Zoran Make them point to the new location where available, removing otherwise. Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org> Acked-by: Jonathan Corbet <corbet@lwn.net>
| * | | media: dvb: point to the location of the old README.dvb-usb fileMauro Carvalho Chehab2018-06-1545-45/+45
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This file got renamed, but the references still point to the old place. Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org> Acked-by: Jonathan Corbet <corbet@lwn.net>
| * | | media: dvb: fix location of get_dvb_firmware scriptMauro Carvalho Chehab2018-06-1516-30/+28
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This script was moved out of Documentation/dvb, but the links weren't updated. Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org> Acked-by: Jonathan Corbet <corbet@lwn.net>
| * | | docs: Fix some broken referencesMauro Carvalho Chehab2018-06-1571-113/+113
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | As we move stuff around, some doc references are broken. Fix some of them via this script: ./scripts/documentation-file-ref-check --fix Manually checked if the produced result is valid, removing a few false-positives. Acked-by: Takashi Iwai <tiwai@suse.de> Acked-by: Masami Hiramatsu <mhiramat@kernel.org> Acked-by: Stephen Boyd <sboyd@kernel.org> Acked-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com> Acked-by: Mathieu Poirier <mathieu.poirier@linaro.org> Reviewed-by: Coly Li <colyli@suse.de> Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org> Acked-by: Jonathan Corbet <corbet@lwn.net>
| * | | docs: fix broken references with multiple hintsMauro Carvalho Chehab2018-06-1516-24/+24
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The script: ./scripts/documentation-file-ref-check --fix Gives multiple hints for broken references on some files. Manually use the one that applies for some files. Acked-by: Steven Rostedt (VMware) <rostedt@goodmis.org> Acked-by: James Morris <james.morris@microsoft.com> Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org> Acked-by: Jonathan Corbet <corbet@lwn.net>
| * | | arch/*: Kconfig: fix documentation for NMI watchdogMauro Carvalho Chehab2018-06-154-4/+4
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Changeset 9919cba7ff71 ("watchdog: Update documentation") updated the documentation, removing the old nmi_watchdog.txt and adding a file with a new content. Update Kconfig files accordingly. Fixes: 9919cba7ff71 ("watchdog: Update documentation") Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org> Acked-by: Jonathan Corbet <corbet@lwn.net>
| * | | docs: crypto_engine.rst: Fix two parse warningsMauro Carvalho Chehab2018-06-151-3/+5
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | ./Documentation/crypto/crypto_engine.rst:13: WARNING: Unexpected indentation. ./Documentation/crypto/crypto_engine.rst:15: WARNING: Block quote ends without a blank line; unexpected unindent. Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org> Acked-by: Jonathan Corbet <corbet@lwn.net>
| * | | docs: can.rst: fix a footnote referenceMauro Carvalho Chehab2018-06-151-2/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | As stated at: http://www.sphinx-doc.org/en/master/usage/restructuredtext/basics.html#footnotes A footnote should contain either a number, a reference or an auto number, e. g.: [1], [#f1] or [#]. While using [*] accidentaly works for html, it fails for other document outputs. In particular, it causes an error with LaTeX output, causing all books after networking to not be built. So, replace it by a valid syntax. Acked-by: Oliver Hartkopp <socketcan@hartkopp.net> Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org> Acked-by: Jonathan Corbet <corbet@lwn.net>
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