| Commit message (Collapse) | Author | Age |
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So far, GICv2 has been used with EOImode == 0. The effect of this
mode is to perform the priority drop and the deactivation of the
interrupt at the same time.
While this works perfectly for Linux (we only have a single priority),
it causes issues when an interrupt is forwarded to a guest, and when
we want the guest to perform the EOI itself.
For this case, the GIC architecture provides EOImode == 1, where:
- A write to the EOI register drops the priority of the interrupt
and leaves it active. Other interrupts at the same priority level
can now be taken, but the active interrupt cannot be taken again
- A write to the DIR marks the interrupt as inactive, meaning it can
now be taken again.
We only enable this feature when booted in HYP mode and that
the device-tree reported a suitable CPU interface. Observable behaviour
should remain unchanged.
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
Reviewed-and-tested-by: Eric Auger <eric.auger@linaro.org>
Cc: Christoffer Dall <christoffer.dall@linaro.org>
Cc: Jiang Liu <jiang.liu@linux.intel.com>
Cc: <linux-arm-kernel@lists.infradead.org>
Cc: kvmarm@lists.cs.columbia.edu
Cc: Jason Cooper <jason@lakedaemon.net>
Link: http://lkml.kernel.org/r/1440604845-28229-4-git-send-email-marc.zyngier@arm.com
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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So far, GICv3 has been used in with EOImode == 0. The effect of this
mode is to perform the priority drop and the deactivation of the
interrupt at the same time.
While this works perfectly for Linux (we only have a single priority),
it causes issues when an interrupt is forwarded to a guest, and when
we want the guest to perform the EOI itself.
For this case, the GIC architecture provides EOImode == 1, where:
- A write to ICC_EOIR1_EL1 drops the priority of the interrupt and
leaves it active. Other interrupts at the same priority level can
now be taken, but the active interrupt cannot be taken again
- A write to ICC_DIR_EL1 marks the interrupt as inactive, meaning
it can now be taken again.
This patch converts the driver to be able to use this new mode,
depending on whether or not the kernel can behave as a hypervisor.
No feature change.
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
Reviewed-and-tested-by: Eric Auger <eric.auger@linaro.org>
Cc: Christoffer Dall <christoffer.dall@linaro.org>
Cc: Jiang Liu <jiang.liu@linux.intel.com>
Cc: <linux-arm-kernel@lists.infradead.org>
Cc: kvmarm@lists.cs.columbia.edu
Cc: Jason Cooper <jason@lakedaemon.net>
Link: http://lkml.kernel.org/r/1440604845-28229-2-git-send-email-marc.zyngier@arm.com
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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Pull NFS client updates from Trond Myklebust:
"Highlights include:
Stable patches:
- Fix atomicity of pNFS commit list updates
- Fix NFSv4 handling of open(O_CREAT|O_EXCL|O_RDONLY)
- nfs_set_pgio_error sometimes misses errors
- Fix a thinko in xs_connect()
- Fix borkage in _same_data_server_addrs_locked()
- Fix a NULL pointer dereference of migration recovery ops for v4.2
client
- Don't let the ctime override attribute barriers.
- Revert "NFSv4: Remove incorrect check in can_open_delegated()"
- Ensure flexfiles pNFS driver updates the inode after write finishes
- flexfiles must not pollute the attribute cache with attrbutes from
the DS
- Fix a protocol error in layoutreturn
- Fix a protocol issue with NFSv4.1 CLOSE stateids
Bugfixes + cleanups
- pNFS blocks bugfixes from Christoph
- Various cleanups from Anna
- More fixes for delegation corner cases
- Don't fsync twice for O_SYNC/IS_SYNC files
- Fix pNFS and flexfiles layoutstats bugs
- pnfs/flexfiles: avoid duplicate tracking of mirror data
- pnfs: Fix layoutget/layoutreturn/return-on-close serialisation
issues
- pnfs/flexfiles: error handling retries a layoutget before fallback
to MDS
Features:
- Full support for the OPEN NFS4_CREATE_EXCLUSIVE4_1 mode from
Kinglong
- More RDMA client transport improvements from Chuck
- Removal of the deprecated ib_reg_phys_mr() and ib_rereg_phys_mr()
verbs from the SUNRPC, Lustre and core infiniband tree.
- Optimise away the close-to-open getattr if there is no cached data"
* tag 'nfs-for-4.3-1' of git://git.linux-nfs.org/projects/trondmy/linux-nfs: (108 commits)
NFSv4: Respect the server imposed limit on how many changes we may cache
NFSv4: Express delegation limit in units of pages
Revert "NFS: Make close(2) asynchronous when closing NFS O_DIRECT files"
NFS: Optimise away the close-to-open getattr if there is no cached data
NFSv4.1/flexfiles: Clean up ff_layout_write_done_cb/ff_layout_commit_done_cb
NFSv4.1/flexfiles: Mark the layout for return in ff_layout_io_track_ds_error()
nfs: Remove unneeded checking of the return value from scnprintf
nfs: Fix truncated client owner id without proto type
NFSv4.1/flexfiles: Mark layout for return if the mirrors are invalid
NFSv4.1/flexfiles: RW layouts are valid only if all mirrors are valid
NFSv4.1/flexfiles: Fix incorrect usage of pnfs_generic_mark_devid_invalid()
NFSv4.1/flexfiles: Fix freeing of mirrors
NFSv4.1/pNFS: Don't request a minimal read layout beyond the end of file
NFSv4.1/pnfs: Handle LAYOUTGET return values correctly
NFSv4.1/pnfs: Don't ask for a read layout for an empty file.
NFSv4.1: Fix a protocol issue with CLOSE stateids
NFSv4.1/flexfiles: Don't mark the entire deviceid as bad for file errors
SUNRPC: Prevent SYN+SYNACK+RST storms
SUNRPC: xs_reset_transport must mark the connection as disconnected
NFSv4.1/pnfs: Ensure layoutreturn reserves space for the opaque payload
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Since we're tracking modifications to the page cache on a per-page
basis, it makes sense to express the limit to how much we may cache
in units of pages.
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
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Client sends a SETATTR request after OPEN for updating attributes.
For create file with S_ISGID is set, the S_ISGID in SETATTR will be
ignored at nfs server as chmod of no PERMISSION.
v3, same as v2.
Signed-off-by: Kinglong Mee <kinglongmee@gmail.com>
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
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Create file with attributs as NFS4_CREATE_EXCLUSIVE4_1 mode
depends on suppattr_exclcreat attribut.
v3, same as v2.
Signed-off-by: Kinglong Mee <kinglongmee@gmail.com>
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
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v4.1/v4.2 have define attributes at word2, nfs client also support
security label now.
v3, same as v2.
Signed-off-by: Kinglong Mee <kinglongmee@gmail.com>
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
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Unlike the previous attempt, this takes into account the fact that
we may be calling it from the recovery thread itself. Detect this
by looking at what kind of open we're doing, and checking the state
of the NFS_DELEGATION_NEED_RECLAIM if it turns out we're doing a
reboot reclaim-type open.
Cc: Olga Kornievskaia <aglo@umich.edu>
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
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Reported-by: kbuild test robot <fengguang.wu@intel.com>
Fixes: 7b0ce60c0b20 ("SUNRPC: Drop double-underscores from rpc_cmp_addr{4|6}()")
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
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NFS: NFS over RDMA Client Side Changes
These patches improve both client performance and scalability, most notably
by increasing the maixmum allowed rsize and wsize and by increasing the number
of RDMA "credits". There are also several bugfixes, such as correcting how
WRITE compounds are encoded and fixing large NFS symlink operations.
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
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The verbs are obsolete. The ib_rereg_phys_mr() verb is not used by
kernel ULPs, and the last ib_reg_phys_mr() call site in the kernel
tree has now been removed.
Two staging tree call sites remain in the Lustre client. The Lustre
team has been notified of the deprecation of reg_phys_mr.
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Acked-by: Doug Ledford <dledford@redhat.com>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
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In preparation for similar increases on NFS/RDMA servers, bump the
advertised credit limit for RPC/RDMA to 128. This allocates some
extra resources, but the client will continue to allow only the
number of RPCs in flight that the server requests via its advertised
credit limit.
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Reviewed-By: Sagi Grimberg <sagig@mellanox.com>
Tested-by: Devesh Sharma <devesh.sharma@avagotech.com>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
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And call nfs_file_clear_open_context() directly. This makes it obvious
that nfs_file_release() will always return 0.
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
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This function is to help determine if two sockaddrs are really the same
socket.
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
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I'm planning on using these functions inside the client, so remove the
underscores to make it feel like I'm using a public interface.
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
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Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
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The current limit of 32 bytes artificially limits the name string that
we end up stuffing into NFSv4.x client ID blobs. If you have multiple
hosts with long hostnames that only differ near the end, then this can
cause NFSv4 client ID collisions.
Linux nodenames are actually limited to __NEW_UTS_LEN bytes (64), so use
that as the limit instead. Also, use XDR_QUADLEN to specify the slack
length, just for clarity and in case someone in the future changes this
to something not evenly divisible by 4.
Reported-by: Michael Skralivetsky <michael.skralivetsky@primarydata.com>
Signed-off-by: Jeff Layton <jeff.layton@primarydata.com>
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
Pull vfs updates from Al Viro:
"In this one:
- d_move fixes (Eric Biederman)
- UFS fixes (me; locking is mostly sane now, a bunch of bugs in error
handling ought to be fixed)
- switch of sb_writers to percpu rwsem (Oleg Nesterov)
- superblock scalability (Josef Bacik and Dave Chinner)
- swapon(2) race fix (Hugh Dickins)"
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs: (65 commits)
vfs: Test for and handle paths that are unreachable from their mnt_root
dcache: Reduce the scope of i_lock in d_splice_alias
dcache: Handle escaped paths in prepend_path
mm: fix potential data race in SyS_swapon
inode: don't softlockup when evicting inodes
inode: rename i_wb_list to i_io_list
sync: serialise per-superblock sync operations
inode: convert inode_sb_list_lock to per-sb
inode: add hlist_fake to avoid the inode hash lock in evict
writeback: plug writeback at a high level
change sb_writers to use percpu_rw_semaphore
shift percpu_counter_destroy() into destroy_super_work()
percpu-rwsem: kill CONFIG_PERCPU_RWSEM
percpu-rwsem: introduce percpu_rwsem_release() and percpu_rwsem_acquire()
percpu-rwsem: introduce percpu_down_read_trylock()
document rwsem_release() in sb_wait_write()
fix the broken lockdep logic in __sb_start_write()
introduce __sb_writers_{acquired,release}() helpers
ufs_inode_get{frag,block}(): get rid of 'phys' argument
ufs_getfrag_block(): tidy up a bit
...
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git://git.kernel.org/pub/scm/linux/kernel/git/josef/btrfs-next into for-next
Conflicts:
include/linux/fs.h
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There's a small consistency problem between the inode and writeback
naming. Writeback calls the "for IO" inode queues b_io and
b_more_io, but the inode calls these the "writeback list" or
i_wb_list. This makes it hard to an new "under writeback" list to
the inode, or call it an "under IO" list on the bdi because either
way we'll have writeback on IO and IO on writeback and it'll just be
confusing. I'm getting confused just writing this!
So, rename the inode "for IO" list variable to i_io_list so we can
add a new "writeback list" in a subsequent patch.
Signed-off-by: Dave Chinner <dchinner@redhat.com>
Signed-off-by: Josef Bacik <jbacik@fb.com>
Reviewed-by: Jan Kara <jack@suse.cz>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Tested-by: Dave Chinner <dchinner@redhat.com>
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When competing sync(2) calls walk the same filesystem, they need to
walk the list of inodes on the superblock to find all the inodes
that we need to wait for IO completion on. However, when multiple
wait_sb_inodes() calls do this at the same time, they contend on the
the inode_sb_list_lock and the contention causes system wide
slowdowns. In effect, concurrent sync(2) calls can take longer and
burn more CPU than if they were serialised.
Stop the worst of the contention by adding a per-sb mutex to wrap
around wait_sb_inodes() so that we only execute one sync(2) IO
completion walk per superblock superblock at a time and hence avoid
contention being triggered by concurrent sync(2) calls.
Signed-off-by: Dave Chinner <dchinner@redhat.com>
Signed-off-by: Josef Bacik <jbacik@fb.com>
Reviewed-by: Jan Kara <jack@suse.cz>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Tested-by: Dave Chinner <dchinner@redhat.com>
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The process of reducing contention on per-superblock inode lists
starts with moving the locking to match the per-superblock inode
list. This takes the global lock out of the picture and reduces the
contention problems to within a single filesystem. This doesn't get
rid of contention as the locks still have global CPU scope, but it
does isolate operations on different superblocks form each other.
Signed-off-by: Dave Chinner <dchinner@redhat.com>
Signed-off-by: Josef Bacik <jbacik@fb.com>
Reviewed-by: Jan Kara <jack@suse.cz>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Tested-by: Dave Chinner <dchinner@redhat.com>
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Some filesystems don't use the VFS inode hash and fake the fact they
are hashed so that all the writeback code works correctly. However,
this means the evict() path still tries to remove the inode from the
hash, meaning that the inode_hash_lock() needs to be taken
unnecessarily. Hence under certain workloads the inode_hash_lock can
be contended even if the inode is never actually hashed.
To avoid this add hlist_fake to test if the inode isn't actually
hashed to avoid taking the hash lock on inodes that have never been
hashed. Based on Dave Chinner's
inode: add IOP_NOTHASHED to avoid inode hash lock in evict
basd on Al's suggestions. Thanks,
Signed-off-by: Josef Bacik <jbacik@fb.com>
Reviewed-by: Jan Kara <jack@suse.cz>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Tested-by: Dave Chinner <dchinner@redhat.com>
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We can remove everything from struct sb_writers except frozen
and add the array of percpu_rw_semaphore's instead.
This patch doesn't remove sb_writers->wait_unfrozen yet, we keep
it for get_super_thawed(). We will probably remove it later.
This change tries to address the following problems:
- Firstly, __sb_start_write() looks simply buggy. It does
__sb_end_write() if it sees ->frozen, but if it migrates
to another CPU before percpu_counter_dec(), sb_wait_write()
can wrongly succeed if there is another task which holds
the same "semaphore": sb_wait_write() can miss the result
of the previous percpu_counter_inc() but see the result
of this percpu_counter_dec().
- As Dave Hansen reports, it is suboptimal. The trivial
microbenchmark that writes to a tmpfs file in a loop runs
12% faster if we change this code to rely on RCU and kill
the memory barriers.
- This code doesn't look simple. It would be better to rely
on the generic locking code.
According to Dave, this change adds the same performance
improvement.
Note: with this change both freeze_super() and thaw_super() will do
synchronize_sched_expedited() 3 times. This is just ugly. But:
- This will be "fixed" by the rcu_sync changes we are going
to merge. After that freeze_super()->percpu_down_write()
will use synchronize_sched(), and thaw_super() won't use
synchronize() at all.
This doesn't need any changes in fs/super.c.
- Once we merge rcu_sync changes, we can also change super.c
so that all wb_write->rw_sem's will share the single ->rss
in struct sb_writes, then freeze_super() will need only one
synchronize_sched().
Signed-off-by: Oleg Nesterov <oleg@redhat.com>
Reviewed-by: Jan Kara <jack@suse.com>
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Of course, this patch is ugly as hell. It will be (partially)
reverted later. We add it to ensure that other WIP changes in
percpu_rw_semaphore won't break fs/super.c.
We do not even need this change right now, percpu_free_rwsem()
is fine in atomic context. But we are going to change this, it
will be might_sleep() after we merge the rcu_sync() patches.
And even after that we do not really need destroy_super_work(),
we will kill it in any case. Instead, destroy_super_rcu() should
just check that rss->cb_state == CB_IDLE and do call_rcu() again
in the (very unlikely) case this is not true.
So this is just the temporary kludge which helps us to avoid the
conflicts with the changes which will be (hopefully) routed via
rcu tree.
Signed-off-by: Oleg Nesterov <oleg@redhat.com>
Reviewed-by: Jan Kara <jack@suse.com>
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Add percpu_rwsem_release() and percpu_rwsem_acquire() for the users
which need to return to userspace with percpu-rwsem lock held and/or
pass the ownership to another thread.
TODO: change percpu_rwsem_release() to use rwsem_clear_owner(). We can
either fold kernel/locking/rwsem.h into include/linux/rwsem.h, or add
the non-inline percpu_rwsem_clear_owner().
Signed-off-by: Oleg Nesterov <oleg@redhat.com>
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Add percpu_down_read_trylock(), it will have the user soon.
Signed-off-by: Oleg Nesterov <oleg@redhat.com>
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Preparation to hide the sb->s_writers internals from xfs and btrfs.
Add 2 trivial define's they can use rather than play with ->s_writers
directly. No changes in btrfs/transaction.o and xfs/xfs_aops.o.
Signed-off-by: Oleg Nesterov <oleg@redhat.com>
Reviewed-by: Jan Kara <jack@suse.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media
Pull media updates from Mauro Carvalho Chehab:
- new DVB frontend drivers: ascot2e, cxd2841er, horus3a, lnbh25
- new HDMI capture driver: tc358743
- new driver for NetUP DVB new boards (netup_unidvb)
- IR support for DVBSky cards (smipcie-ir)
- Coda driver has gain macroblock tiling support
- Renesas R-Car gains JPEG codec driver
- new DVB platform driver for STi boards: c8sectpfe
- added documentation for the media core kABI to device-drivers DocBook
- lots of driver fixups, cleanups and improvements
* tag 'media/v4.3-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: (297 commits)
[media] c8sectpfe: Remove select on undefined LIBELF_32
[media] i2c: fix platform_no_drv_owner.cocci warnings
[media] cx231xx: Use wake_up_interruptible() instead of wake_up_interruptible_nr()
[media] tc358743: only queue subdev notifications if devnode is set
[media] tc358743: add missing Kconfig dependency/select
[media] c8sectpfe: Use %pad to print 'dma_addr_t'
[media] DocBook media: Fix typo "the the" in xml files
[media] tc358743: make reset gpio optional
[media] tc358743: set direction of reset gpio using devm_gpiod_get
[media] dvbdev: document most of the functions/data structs
[media] dvb_frontend.h: document the struct dvb_frontend
[media] dvb-frontend.h: document struct dtv_frontend_properties
[media] dvb-frontend.h: document struct dvb_frontend_ops
[media] dvb: Use DVBFE_ALGO_HW where applicable
[media] dvb_frontend.h: document struct analog_demod_ops
[media] dvb_frontend.h: Document struct dvb_tuner_ops
[media] Docbook: Document struct analog_parameters
[media] dvb_frontend.h: get rid of dvbfe_modcod
[media] add documentation for struct dvb_tuner_info
[media] dvb_frontend: document dvb_frontend_tune_settings
...
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Fix the format of the comments and add to DocBook.
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
Acked-by: Jonathan Corbet <corbet@lwn.net>
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The comment metadata was wrong:
Warning(.//include/media/videobuf2-memops.h:25): cannot understand function prototype: 'struct vb2_vmarea_handler '
Warning(.//include/media/videobuf2-memops.h): no structured comments found
Fix and add to DocBook.
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
Acked-by: Jonathan Corbet <corbet@lwn.net>
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Most of the stuff at videobuf2-core are ok for adding it to
DocBook.
Two notes here:
1) As videobuf2-core will be soon be changed, better to
not spend too much efforts right now, as things will
change soon;
2) struct vb2_queue has a number of private elements that are
documented. As Kernel nano documentation format handles
"private:" arguments, we need to put them on a separate
comment block or to remove. Keeping the comments is
obviously better ;)
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
Acked-by: Jonathan Corbet <corbet@lwn.net>
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There are already markups for documentation at v4l-dv-timings.h,
however, they're not properly formatted.
Convert them to the right format and add this file to
the device-drivers DocBook.
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
Acked-by: Jonathan Corbet <corbet@lwn.net>
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The comments there are good enough for DocBook, however they're
using a wrong format. Fix and add to device-drivers.xml.
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
Acked-by: Jonathan Corbet <corbet@lwn.net>
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Warning(.//include/media/v4l2-ctrls.h:217): No description found for parameter 'p_new'
Warning(.//include/media/v4l2-ctrls.h:217): No description found for parameter 'p_cur'
Warning(.//include/media/v4l2-ctrls.h:217): Excess struct/union/enum/typedef member 'val64' description in 'v4l2_ctrl'
Warning(.//include/media/v4l2-ctrls.h:314): No description found for parameter 'qmenu_int'
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
Acked-by: Jonathan Corbet <corbet@lwn.net>
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This is an obsolete function that has several missing
arguments:
Warning(.//include/media/v4l2-ctrls.h:340): No description found for parameter 'id'
Warning(.//include/media/v4l2-ctrls.h:340): No description found for parameter 'name'
Warning(.//include/media/v4l2-ctrls.h:340): No description found for parameter 'type'
Warning(.//include/media/v4l2-ctrls.h:340): No description found for parameter 'min'
Warning(.//include/media/v4l2-ctrls.h:340): No description found for parameter 'max'
Warning(.//include/media/v4l2-ctrls.h:340): No description found for parameter 'step'
Warning(.//include/media/v4l2-ctrls.h:340): No description found for parameter 'def'
Warning(.//include/media/v4l2-ctrls.h:340): No description found for parameter 'flags'
However, this is an obsolete function that should be
removed soon. And are not meant to be used anymore. So,
instead of documenting those stuff, let's just make
DocBook to not handle it, by replacing "/**" by "/*".
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
Acked-by: Jonathan Corbet <corbet@lwn.net>
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The comments there are using a wrong format. Due to that,
DocBook were unable to parse it.
Fix the tags format, and add it to device-drivers.xml.
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
Acked-by: Jonathan Corbet <corbet@lwn.net>
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Warning(.//include/media/v4l2-subdev.h:203): No description found for parameter 'ioctl'
Warning(.//include/media/v4l2-subdev.h:203): No description found for parameter 'compat_ioctl32'
Warning(.//include/media/v4l2-subdev.h:203): No description found for parameter 'subscribe_event'
Warning(.//include/media/v4l2-subdev.h:203): No description found for parameter 'unsubscribe_event'
Warning(.//include/media/v4l2-subdev.h:273): No description found for parameter 's_stream'
Warning(.//include/media/v4l2-subdev.h:407): No description found for parameter 's_stream'
Warning(.//include/media/v4l2-subdev.h:623): No description found for parameter 'link_validate'
Warning(.//include/media/v4l2-subdev.h:623): No description found for parameter 'set_frame_desc'
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
Acked-by: Jonathan Corbet <corbet@lwn.net>
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Fixes the following warnings:
Warning(.//include/media/v4l2-subdev.h:445): No description found for parameter 'g_sliced_vbi_cap'
Warning(.//include/media/v4l2-subdev.h:589): No description found for parameter 'enum_mbus_code'
Warning(.//include/media/v4l2-subdev.h:589): No description found for parameter 'enum_frame_size'
Warning(.//include/media/v4l2-subdev.h:589): No description found for parameter 'enum_frame_interval'
Warning(.//include/media/v4l2-subdev.h:589): No description found for parameter 'get_fmt'
Warning(.//include/media/v4l2-subdev.h:589): No description found for parameter 'set_fmt'
Warning(.//include/media/v4l2-subdev.h:589): No description found for parameter 'get_selection'
Warning(.//include/media/v4l2-subdev.h:589): No description found for parameter 'set_selection'
Warning(.//include/media/v4l2-subdev.h:589): No description found for parameter 'get_edid'
Warning(.//include/media/v4l2-subdev.h:589): No description found for parameter 'set_edid'
Warning(.//include/media/v4l2-subdev.h:589): No description found for parameter 'dv_timings_cap'
Warning(.//include/media/v4l2-subdev.h:589): No description found for parameter 'enum_dv_timings'
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
Acked-by: Jonathan Corbet <corbet@lwn.net>
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Warning(.//include/media/v4l2-subdev.h:381): No description found for parameter 'g_std'
Warning(.//include/media/v4l2-subdev.h:381): No description found for parameter 's_std'
Warning(.//include/media/v4l2-subdev.h:381): No description found for parameter 'querystd'
Warning(.//include/media/v4l2-subdev.h:381): No description found for parameter 'cropcap'
Warning(.//include/media/v4l2-subdev.h:381): No description found for parameter 'g_crop'
Warning(.//include/media/v4l2-subdev.h:381): No description found for parameter 's_crop'
Warning(.//include/media/v4l2-subdev.h:381): No description found for parameter 'g_parm'
Warning(.//include/media/v4l2-subdev.h:381): No description found for parameter 's_parm'
Warning(.//include/media/v4l2-subdev.h:381): No description found for parameter 'g_frame_interval'
Warning(.//include/media/v4l2-subdev.h:381): No description found for parameter 's_frame_interval'
Warning(.//include/media/v4l2-subdev.h:381): No description found for parameter 's_dv_timings'
Warning(.//include/media/v4l2-subdev.h:381): No description found for parameter 'g_dv_timings'
Warning(.//include/media/v4l2-subdev.h:381): No description found for parameter 'query_dv_timings'
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
Acked-by: Jonathan Corbet <corbet@lwn.net>
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The comments for struct v4l2_subdev_video_ops are out of the
order as the parameter would appear at struct. This is not
a problem for DocBook, but humans find harder to mentally
reorder ;)
So, put them at the right order. That makes easier to check
what's missing, and to put the comments in the right place.
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
Acked-by: Jonathan Corbet <corbet@lwn.net>
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Warning(.//include/media/v4l2-subdev.h:224): No description found for parameter 's_radio'
Warning(.//include/media/v4l2-subdev.h:224): No description found for parameter 's_frequency'
Warning(.//include/media/v4l2-subdev.h:224): No description found for parameter 'enum_freq_bands'
Warning(.//include/media/v4l2-subdev.h:224): No description found for parameter 'g_tuner'
Warning(.//include/media/v4l2-subdev.h:224): No description found for parameter 'g_modulator'
Warning(.//include/media/v4l2-subdev.h:224): No description found for parameter 's_modulator'
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
Acked-by: Jonathan Corbet <corbet@lwn.net>
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Warning(.//include/media/v4l2-subdev.h:183): No description found for parameter 'queryctrl'
Warning(.//include/media/v4l2-subdev.h:183): No description found for parameter 'g_ctrl'
Warning(.//include/media/v4l2-subdev.h:183): No description found for parameter 's_ctrl'
Warning(.//include/media/v4l2-subdev.h:183): No description found for parameter 'g_ext_ctrls'
Warning(.//include/media/v4l2-subdev.h:183): No description found for parameter 's_ext_ctrls'
Warning(.//include/media/v4l2-subdev.h:183): No description found for parameter 'try_ext_ctrls'
Warning(.//include/media/v4l2-subdev.h:183): No description found for parameter 'querymenu'
Warning(.//include/media/v4l2-subdev.h:183): No description found for parameter 'g_register'
Warning(.//include/media/v4l2-subdev.h:183): No description found for parameter 's_register'
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
Acked-by: Jonathan Corbet <corbet@lwn.net>
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struct v4l2_subdev_core_ops has some kernel-doc-nano documentation
using a wrong format, with affects the number of stuff reported at
the DocBook device-drivers.xml.
Properly mark the such comment blocks using the right notation.
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
Acked-by: Jonathan Corbet <corbet@lwn.net>
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Warning(.//include/media/v4l2-mem2mem.h:50): No description found for parameter 'lock'
Warning(.//include/media/v4l2-mem2mem.h:50): No description found for parameter 'unlock'
Warning(.//include/media/v4l2-mem2mem.h:167): No description found for parameter 'm2m_ctx'
Warning(.//include/media/v4l2-mem2mem.h:177): No description found for parameter 'm2m_ctx'
Warning(.//include/media/v4l2-mem2mem.h:188): No description found for parameter 'm2m_ctx'
Warning(.//include/media/v4l2-mem2mem.h:197): No description found for parameter 'm2m_ctx'
Warning(.//include/media/v4l2-mem2mem.h:206): No description found for parameter 'm2m_ctx'
Warning(.//include/media/v4l2-mem2mem.h:215): No description found for parameter 'm2m_ctx'
Warning(.//include/media/v4l2-mem2mem.h:226): No description found for parameter 'm2m_ctx'
Warning(.//include/media/v4l2-mem2mem.h:235): No description found for parameter 'm2m_ctx'
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
Acked-by: Jonathan Corbet <corbet@lwn.net>
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Warning(.//include/media/v4l2-flash-led-class.h:51): bad line: unique in the system
Warning(.//include/media/v4l2-flash-led-class.h:56): bad line: definitions are available in the header file
Warning(.//include/media/v4l2-flash-led-class.h:57): bad line: <linux/led-class-flash.h>
Warning(.//include/media/v4l2-flash-led-class.h:122): No description found for parameter 'ops'
Warning(.//include/media/v4l2-flash-led-class.h:122): Excess function parameter 'flash_ops' description in 'v4l2_flash_init'
Warning(.//include/media/v4l2-flash-led-class.h:130): No description found for parameter 'v4l2_flash'
Warning(.//include/media/v4l2-flash-led-class.h:130): Excess function parameter 'flash' description in 'v4l2_flash_release'
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
Acked-by: Jonathan Corbet <corbet@lwn.net>
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Warning(.//include/media/rc-core.h:178): No description found for parameter 's_rx_carrier_range'
Warning(.//include/media/rc-core.h:178): Excess struct/union/enum/typedef member 's_rx_carrier' description in 'rc_dev'
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
Acked-by: Jonathan Corbet <corbet@lwn.net>
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Warning(.//include/media/v4l2-async.h:62): No description found for parameter 'match_type'
Warning(.//include/media/v4l2-async.h:62): Excess struct/union/enum/typedef member 'bus_type' description in 'v4l2_async_subdev'
Warning(.//include/media/v4l2-async.h:76): cannot understand function prototype: 'struct v4l2_async_notifier '
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
Acked-by: Jonathan Corbet <corbet@lwn.net>
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Warning(.//include/media/media-devnode.h:80): No description found for parameter 'fops'
Warning(.//include/media/media-devnode.h:80): No description found for parameter 'dev'
Warning(.//include/media/media-devnode.h:80): No description found for parameter 'cdev'
Warning(.//include/media/media-devnode.h:80): No description found for parameter 'release'
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
Acked-by: Jonathan Corbet <corbet@lwn.net>
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This commits moves the Intersil/Techwell PCI vendor ID, and
the device IDs for the TW68 PCI video capture cards.
This will allow to support future Intersil/Techwell devices
without duplicating the IDs.
Signed-off-by: Ezequiel Garcia <ezequiel@vanguardiasur.com.ar>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
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