Commit graph

1039153 commits

Author SHA1 Message Date
Christoph Hellwig
cd82cca7eb block: split out operations on block special files
Add a new block/fops.c for all the file and address_space operations
that provide the block special file support.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Link: https://lore.kernel.org/r/20210907141303.1371844-2-hch@lst.de
[axboe: correct trailing whitespace while at it]
Signed-off-by: Jens Axboe <axboe@kernel.dk>
2021-09-07 08:39:29 -06:00
Jens Axboe
49d82b1445 nvme fixes for Linux 5.15
- fix nvmet command set reporting for passthrough controllers
    (Adam Manzanares)
  - updated
  - update a MAINTAINERS email address (Chaitanya Kulkarni)
  - set QUEUE_FLAG_NOWAIT for nvme-multipth (me)
  - handle errors from add_disk() (Luis Chamberlain)
  - update the keep alive interval when kato is modified (Tatsuya Sasaki)
  - fix a buffer overrun in nvmet_subsys_attr_serial (Hannes Reinecke)
  - do not reset transport on data digest errors in nvme-tcp (Daniel Wagner)
  - only call synchronize_srcu when clearing current path (Daniel Wagner)
  - revalidate paths during rescan (Hannes Reinecke)
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Merge tag 'nvme-5.15-2021-09-07' of git://git.infradead.org/nvme into block-5.15

Pull NVMe fixes from Christoph:

"nvme fixes for Linux 5.15

 - fix nvmet command set reporting for passthrough controllers
   (Adam Manzanares)
 - updated
 - update a MAINTAINERS email address (Chaitanya Kulkarni)
 - set QUEUE_FLAG_NOWAIT for nvme-multipth (me)
 - handle errors from add_disk() (Luis Chamberlain)
 - update the keep alive interval when kato is modified (Tatsuya Sasaki)
 - fix a buffer overrun in nvmet_subsys_attr_serial (Hannes Reinecke)
 - do not reset transport on data digest errors in nvme-tcp (Daniel Wagner)
 - only call synchronize_srcu when clearing current path (Daniel Wagner)
 - revalidate paths during rescan (Hannes Reinecke)"

* tag 'nvme-5.15-2021-09-07' of git://git.infradead.org/nvme:
  nvme: update MAINTAINERS email address
  nvme: add error handling support for add_disk()
  nvme: only call synchronize_srcu when clearing current path
  nvme: update keep alive interval when kato is modified
  nvme-tcp: Do not reset transport on data digest errors
  nvmet: fixup buffer overrun in nvmet_subsys_attr_serial()
  nvmet: return bool from nvmet_passthru_ctrl and nvmet_is_passthru_req
  nvmet: looks at the passthrough controller when initializing CAP
  nvme: move nvme_multi_css into nvme.h
  nvme-multipath: revalidate paths during rescan
  nvme-multipath: set QUEUE_FLAG_NOWAIT
2021-09-07 08:37:19 -06:00
Li Jinlin
884f0e84f1 blk-throttle: fix UAF by deleteing timer in blk_throtl_exit()
The pending timer has been set up in blk_throtl_init(). However, the
timer is not deleted in blk_throtl_exit(). This means that the timer
handler may still be running after freeing the timer, which would
result in a use-after-free.

Fix by calling del_timer_sync() to delete the timer in blk_throtl_exit().

Signed-off-by: Li Jinlin <lijinlin3@huawei.com>
Link: https://lore.kernel.org/r/20210907121242.2885564-1-lijinlin3@huawei.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
2021-09-07 08:36:56 -06:00
Tetsuo Handa
dfbb3409b2 block: genhd: don't call blkdev_show() with major_names_lock held
If CONFIG_BLK_DEV_LOOP && CONFIG_MTD (at least; there might be other
combinations), lockdep complains circular locking dependency at
__loop_clr_fd(), for major_names_lock serves as a locking dependency
aggregating hub across multiple block modules.

 ======================================================
 WARNING: possible circular locking dependency detected
 5.14.0+ #757 Tainted: G            E
 ------------------------------------------------------
 systemd-udevd/7568 is trying to acquire lock:
 ffff88800f334d48 ((wq_completion)loop0){+.+.}-{0:0}, at: flush_workqueue+0x70/0x560

 but task is already holding lock:
 ffff888014a7d4a0 (&lo->lo_mutex){+.+.}-{3:3}, at: __loop_clr_fd+0x4d/0x400 [loop]

 which lock already depends on the new lock.

 the existing dependency chain (in reverse order) is:

 -> #6 (&lo->lo_mutex){+.+.}-{3:3}:
        lock_acquire+0xbe/0x1f0
        __mutex_lock_common+0xb6/0xe10
        mutex_lock_killable_nested+0x17/0x20
        lo_open+0x23/0x50 [loop]
        blkdev_get_by_dev+0x199/0x540
        blkdev_open+0x58/0x90
        do_dentry_open+0x144/0x3a0
        path_openat+0xa57/0xda0
        do_filp_open+0x9f/0x140
        do_sys_openat2+0x71/0x150
        __x64_sys_openat+0x78/0xa0
        do_syscall_64+0x3d/0xb0
        entry_SYSCALL_64_after_hwframe+0x44/0xae

 -> #5 (&disk->open_mutex){+.+.}-{3:3}:
        lock_acquire+0xbe/0x1f0
        __mutex_lock_common+0xb6/0xe10
        mutex_lock_nested+0x17/0x20
        bd_register_pending_holders+0x20/0x100
        device_add_disk+0x1ae/0x390
        loop_add+0x29c/0x2d0 [loop]
        blk_request_module+0x5a/0xb0
        blkdev_get_no_open+0x27/0xa0
        blkdev_get_by_dev+0x5f/0x540
        blkdev_open+0x58/0x90
        do_dentry_open+0x144/0x3a0
        path_openat+0xa57/0xda0
        do_filp_open+0x9f/0x140
        do_sys_openat2+0x71/0x150
        __x64_sys_openat+0x78/0xa0
        do_syscall_64+0x3d/0xb0
        entry_SYSCALL_64_after_hwframe+0x44/0xae

 -> #4 (major_names_lock){+.+.}-{3:3}:
        lock_acquire+0xbe/0x1f0
        __mutex_lock_common+0xb6/0xe10
        mutex_lock_nested+0x17/0x20
        blkdev_show+0x19/0x80
        devinfo_show+0x52/0x60
        seq_read_iter+0x2d5/0x3e0
        proc_reg_read_iter+0x41/0x80
        vfs_read+0x2ac/0x330
        ksys_read+0x6b/0xd0
        do_syscall_64+0x3d/0xb0
        entry_SYSCALL_64_after_hwframe+0x44/0xae

 -> #3 (&p->lock){+.+.}-{3:3}:
        lock_acquire+0xbe/0x1f0
        __mutex_lock_common+0xb6/0xe10
        mutex_lock_nested+0x17/0x20
        seq_read_iter+0x37/0x3e0
        generic_file_splice_read+0xf3/0x170
        splice_direct_to_actor+0x14e/0x350
        do_splice_direct+0x84/0xd0
        do_sendfile+0x263/0x430
        __se_sys_sendfile64+0x96/0xc0
        do_syscall_64+0x3d/0xb0
        entry_SYSCALL_64_after_hwframe+0x44/0xae

 -> #2 (sb_writers#3){.+.+}-{0:0}:
        lock_acquire+0xbe/0x1f0
        lo_write_bvec+0x96/0x280 [loop]
        loop_process_work+0xa68/0xc10 [loop]
        process_one_work+0x293/0x480
        worker_thread+0x23d/0x4b0
        kthread+0x163/0x180
        ret_from_fork+0x1f/0x30

 -> #1 ((work_completion)(&lo->rootcg_work)){+.+.}-{0:0}:
        lock_acquire+0xbe/0x1f0
        process_one_work+0x280/0x480
        worker_thread+0x23d/0x4b0
        kthread+0x163/0x180
        ret_from_fork+0x1f/0x30

 -> #0 ((wq_completion)loop0){+.+.}-{0:0}:
        validate_chain+0x1f0d/0x33e0
        __lock_acquire+0x92d/0x1030
        lock_acquire+0xbe/0x1f0
        flush_workqueue+0x8c/0x560
        drain_workqueue+0x80/0x140
        destroy_workqueue+0x47/0x4f0
        __loop_clr_fd+0xb4/0x400 [loop]
        blkdev_put+0x14a/0x1d0
        blkdev_close+0x1c/0x20
        __fput+0xfd/0x220
        task_work_run+0x69/0xc0
        exit_to_user_mode_prepare+0x1ce/0x1f0
        syscall_exit_to_user_mode+0x26/0x60
        do_syscall_64+0x4c/0xb0
        entry_SYSCALL_64_after_hwframe+0x44/0xae

 other info that might help us debug this:

 Chain exists of:
   (wq_completion)loop0 --> &disk->open_mutex --> &lo->lo_mutex

  Possible unsafe locking scenario:

        CPU0                    CPU1
        ----                    ----
   lock(&lo->lo_mutex);
                                lock(&disk->open_mutex);
                                lock(&lo->lo_mutex);
   lock((wq_completion)loop0);

  *** DEADLOCK ***

 2 locks held by systemd-udevd/7568:
  #0: ffff888012554128 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0x4c/0x1d0
  #1: ffff888014a7d4a0 (&lo->lo_mutex){+.+.}-{3:3}, at: __loop_clr_fd+0x4d/0x400 [loop]

 stack backtrace:
 CPU: 0 PID: 7568 Comm: systemd-udevd Tainted: G            E     5.14.0+ #757
 Hardware name: VMware, Inc. VMware Virtual Platform/440BX Desktop Reference Platform, BIOS 6.00 02/27/2020
 Call Trace:
  dump_stack_lvl+0x79/0xbf
  print_circular_bug+0x5d6/0x5e0
  ? stack_trace_save+0x42/0x60
  ? save_trace+0x3d/0x2d0
  check_noncircular+0x10b/0x120
  validate_chain+0x1f0d/0x33e0
  ? __lock_acquire+0x953/0x1030
  ? __lock_acquire+0x953/0x1030
  __lock_acquire+0x92d/0x1030
  ? flush_workqueue+0x70/0x560
  lock_acquire+0xbe/0x1f0
  ? flush_workqueue+0x70/0x560
  flush_workqueue+0x8c/0x560
  ? flush_workqueue+0x70/0x560
  ? sched_clock_cpu+0xe/0x1a0
  ? drain_workqueue+0x41/0x140
  drain_workqueue+0x80/0x140
  destroy_workqueue+0x47/0x4f0
  ? blk_mq_freeze_queue_wait+0xac/0xd0
  __loop_clr_fd+0xb4/0x400 [loop]
  ? __mutex_unlock_slowpath+0x35/0x230
  blkdev_put+0x14a/0x1d0
  blkdev_close+0x1c/0x20
  __fput+0xfd/0x220
  task_work_run+0x69/0xc0
  exit_to_user_mode_prepare+0x1ce/0x1f0
  syscall_exit_to_user_mode+0x26/0x60
  do_syscall_64+0x4c/0xb0
  entry_SYSCALL_64_after_hwframe+0x44/0xae
 RIP: 0033:0x7f0fd4c661f7
 Code: 00 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 03 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 41 c3 48 83 ec 18 89 7c 24 0c e8 13 fc ff ff
 RSP: 002b:00007ffd1c9e9fd8 EFLAGS: 00000246 ORIG_RAX: 0000000000000003
 RAX: 0000000000000000 RBX: 00007f0fd46be6c8 RCX: 00007f0fd4c661f7
 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000006
 RBP: 0000000000000006 R08: 000055fff1eaf400 R09: 0000000000000000
 R10: 00007f0fd46be6c8 R11: 0000000000000246 R12: 0000000000000000
 R13: 0000000000000000 R14: 0000000000002f08 R15: 00007ffd1c9ea050

Commit 1c500ad706 ("loop: reduce the loop_ctl_mutex scope") is for
breaking "loop_ctl_mutex => &lo->lo_mutex" dependency chain. But enabling
a different block module results in forming circular locking dependency
due to shared major_names_lock mutex.

The simplest fix is to call probe function without holding
major_names_lock [1], but Christoph Hellwig does not like such idea.
Therefore, instead of holding major_names_lock in blkdev_show(),
introduce a different lock for blkdev_show() in order to break
"sb_writers#$N => &p->lock => major_names_lock" dependency chain.

Link: https://lkml.kernel.org/r/b2af8a5b-3c1b-204e-7f56-bea0b15848d6@i-love.sakura.ne.jp [1]
Signed-off-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>
Link: https://lore.kernel.org/r/18a02da2-0bf3-550e-b071-2b4ab13c49f0@i-love.sakura.ne.jp
Signed-off-by: Jens Axboe <axboe@kernel.dk>
2021-09-07 08:36:21 -06:00
Chaitanya Kulkarni
aff959c284 nvme: update MAINTAINERS email address
Update the MAINTAINERS file email address.

Signed-off-by: Chaitanya Kulkarni <kch@nvidia.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
2021-09-06 10:08:09 +02:00
Luis Chamberlain
ab3994f6ef nvme: add error handling support for add_disk()
We never checked for errors on add_disk() as this function
returned void. Now that this is fixed, use the shiny new
error handling.

Signed-off-by: Luis Chamberlain <mcgrof@kernel.org>
Reviewed-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: Christoph Hellwig <hch@lst.de>
2021-09-06 10:08:09 +02:00
Daniel Wagner
041bd1a1fc nvme: only call synchronize_srcu when clearing current path
The function nmve_mpath_clear_current_path returns true if the current
path has changed. In this case we have to wait for all concurrent
submissions to finish. But if we didn't change the current path, there
is no point in waiting for another RCU period to finish.

Signed-off-by: Daniel Wagner <dwagner@suse.de>
Signed-off-by: Christoph Hellwig <hch@lst.de>
2021-09-06 10:03:11 +02:00
Tatsuya Sasaki
b58da2d270 nvme: update keep alive interval when kato is modified
Currently the connection between host and NVMe-oF target gets
disconnected by keep-alive timeout when a user connects to a target
with a relatively large kato value and then sets the smaller kato
with a set features command (e.g. connects with 60 seconds kato value
and then sets 10 seconds kato value).

The cause is that keep alive command interval on the host, which is
defined as unsigned int kato in nvme_ctrl structure, does not follow
the kato value changes.

This patch updates the keep alive interval in the following steps when
the kato is modified by a set features command: stops the keep alive
work queue, then sets the kato as new timer value and re-start the queue.

Signed-off-by: Tatsuya Sasaki <tatsuya6.sasaki@kioxia.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
2021-09-06 10:03:11 +02:00
Daniel Wagner
1ba2e507f5 nvme-tcp: Do not reset transport on data digest errors
The spec says

  7.4.6.1 Digest Error handling

  When a host detects a data digest error in a C2HData PDU, that host
  shall continue processing C2HData PDUs associated with the command and
  when the command processing has completed, if a successful status was
  returned by the controller, the host shall fail the command with a
  non-fatal transport error.

Currently the transport is reseted when a data digest error is
detected. Instead, when a digest error is detected, mark the final
status as NVME_SC_DATA_XFER_ERROR and let the upper layer handle
the error.

In order to keep track of the final result maintain a status field in
nvme_tcp_request object and use it to overwrite the completion queue
status (which might be successful even though a digest error has been
detected) when completing the request.

Signed-off-by: Daniel Wagner <dwagner@suse.de>
Reviewed-by: Sagi Grimberg <sagi@grimberg.me>
Reviewed-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: Christoph Hellwig <hch@lst.de>
2021-09-06 10:03:11 +02:00
Hannes Reinecke
f04064814c nvmet: fixup buffer overrun in nvmet_subsys_attr_serial()
The serial number is copied into the buffer via memcpy_and_pad()
with the length NVMET_SN_MAX_SIZE. So when printing out we also
need to take just that length as anything beyond that will be
uninitialized.

Signed-off-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: Christoph Hellwig <hch@lst.de>
2021-09-06 10:03:11 +02:00
Christoph Hellwig
ab7a2737ac nvmet: return bool from nvmet_passthru_ctrl and nvmet_is_passthru_req
The target core code never needs the host-side nvme_ctrl structure.
Open code two uses of nvmet_is_passthru_req in passthru.c, and then
switch the helpers used by the core to return bool.  Also rename the
fuctions to better match their usage:

  nvmet_passthru_ctrl -> nvmet_is_passthru_subsys
  nvmet_req_passthru_ctrl -> nvmet_is_passthru_req

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Sagi Grimberg <sagi@grimberg.me>
2021-09-06 09:59:03 +02:00
Adam Manzanares
77d651a655 nvmet: looks at the passthrough controller when initializing CAP
For a passthru controller make cap initialization dependent on the cap of
the passthru controller, given that multiple Command Set support needs
to be supported by the underlying controller.  For that move the
initialization of CAP later so that it can use the fully initialized
nvmet_ctrl structure.

Fixes: ab5d0b38c0 (nvmet: add Command Set Identifier support)
Signed-off-by: Adam Manzanares <a.manzanares@samsung.com>
Reviewed-by: Keith Busch <kbusch@kernel.org>
[hch: refactored the code a bit to keep it more contained in passthru.c]
Signed-off-by: Christoph Hellwig <hch@lst.de>
2021-09-06 09:59:03 +02:00
Adam Manzanares
43dc987828 nvme: move nvme_multi_css into nvme.h
Preparatory patch in order to reuse nvme_multi_css in the nvme target
code.

Signed-off-by: Adam Manzanares <a.manzanares@samsung.com>
Reviewed-by: Keith Busch <kbusch@kernel.org>
Signed-off-by: Christoph Hellwig <hch@lst.de>
2021-09-06 09:59:02 +02:00
Hannes Reinecke
e7d65803e2 nvme-multipath: revalidate paths during rescan
When triggering a rescan due to a namespace resize we will be
receiving AENs on every controller, triggering a rescan of all
attached namespaces. If multipath is active only the current path and
the ns_head disk will be updated, the other paths will still refer to
the old size until AENs for the remaining controllers are received.

If I/O comes in before that it might be routed to one of the old
paths, triggering an I/O failure with 'access beyond end of device'.
With this patch the old paths are skipped from multipath path
selection until the controller serving these paths has been rescanned.

Signed-off-by: Hannes Reinecke <hare@suse.de>
[dwagner: - introduce NVME_NS_READY flag instead of NVME_NS_INVALIDATE
          - use 'revalidate' instead of 'invalidate' which
	    follows the zoned device code path.
	  - clear NVME_NS_READY before clearing current_path]
Signed-off-by: Daniel Wagner <dwagner@suse.de>
Signed-off-by: Christoph Hellwig <hch@lst.de>
2021-09-06 09:59:02 +02:00
Christoph Hellwig
d32d3d0b47 nvme-multipath: set QUEUE_FLAG_NOWAIT
The nvme multipathing code just dispatches bios to one of the blk-mq
based paths and never blocks on its own, so set QUEUE_FLAG_NOWAIT
to support REQ_NOWAIT bios.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Sagi Grimberg <sagi@grimberg.me>
2021-09-06 09:59:02 +02:00
Tetsuo Handa
1c500ad706 loop: reduce the loop_ctl_mutex scope
syzbot is reporting circular locking problem at __loop_clr_fd() [1], for
commit a160c6159d ("block: add an optional probe callback to
major_names") is calling the module's probe function with major_names_lock
held.

Fortunately, since commit 990e78116d ("block: loop: fix deadlock
between open and remove") stopped holding loop_ctl_mutex in lo_open(),
current role of loop_ctl_mutex is to serialize access to loop_index_idr
and loop_add()/loop_remove(); in other words, management of id for IDR.
To avoid holding loop_ctl_mutex during whole add/remove operation, use
a bool flag to indicate whether the loop device is ready for use.

loop_unregister_transfer() which is called from cleanup_cryptoloop()
currently has possibility of use-after-free problem due to lack of
serialization between kfree() from loop_remove() from loop_control_remove()
and mutex_lock() from unregister_transfer_cb(). But since lo->lo_encryption
should be already NULL when this function is called due to module unload,
and commit 222013f9ac ("cryptoloop: add a deprecation warning")
indicates that we will remove this function shortly, this patch updates
this function to emit warning instead of checking lo->lo_encryption.

Holding loop_ctl_mutex in loop_exit() is pointless, for all users must
close /dev/loop-control and /dev/loop$num (in order to drop module's
refcount to 0) before loop_exit() starts, and nobody can open
/dev/loop-control or /dev/loop$num afterwards.

Link: https://syzkaller.appspot.com/bug?id=7bb10e8b62f83e4d445cdf4c13d69e407e629558 [1]
Reported-by: syzbot <syzbot+f61766d5763f9e7a118f@syzkaller.appspotmail.com>
Signed-off-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Link: https://lore.kernel.org/r/adb1e792-fc0e-ee81-7ea0-0906fc36419d@i-love.sakura.ne.jp
Signed-off-by: Jens Axboe <axboe@kernel.dk>
2021-09-03 22:14:40 -06:00
Jens Axboe
0ef47db1cb bio: fix kerneldoc documentation for bio_alloc_kiocb()
Apparently the last fixup got butter fingered a bit, the correct variable
name is 'nr_vecs', not 'nr_iovecs'.

Link: https://lore.kernel.org/lkml/20210903164939.02f6e8c5@canb.auug.org.au/
Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
2021-09-03 07:42:13 -06:00
Paolo Valente
2d52c58b9c block, bfq: honor already-setup queue merges
The function bfq_setup_merge prepares the merging between two
bfq_queues, say bfqq and new_bfqq. To this goal, it assigns
bfqq->new_bfqq = new_bfqq. Then, each time some I/O for bfqq arrives,
the process that generated that I/O is disassociated from bfqq and
associated with new_bfqq (merging is actually a redirection). In this
respect, bfq_setup_merge increases new_bfqq->ref in advance, adding
the number of processes that are expected to be associated with
new_bfqq.

Unfortunately, the stable-merging mechanism interferes with this
setup. After bfqq->new_bfqq has been set by bfq_setup_merge, and
before all the expected processes have been associated with
bfqq->new_bfqq, bfqq may happen to be stably merged with a different
queue than the current bfqq->new_bfqq. In this case, bfqq->new_bfqq
gets changed. So, some of the processes that have been already
accounted for in the ref counter of the previous new_bfqq will not be
associated with that queue.  This creates an unbalance, because those
references will never be decremented.

This commit fixes this issue by reestablishing the previous, natural
behaviour: once bfqq->new_bfqq has been set, it will not be changed
until all expected redirections have occurred.

Signed-off-by: Davide Zini <davidezini2@gmail.com>
Signed-off-by: Paolo Valente <paolo.valente@linaro.org>
Link: https://lore.kernel.org/r/20210802141352.74353-2-paolo.valente@linaro.org
Signed-off-by: Jens Axboe <axboe@kernel.dk>
2021-09-02 06:36:58 -06:00
Geert Uytterhoeven
55a51ea140 block/mq-deadline: Move dd_queued() to fix defined but not used warning
If CONFIG_BLK_DEBUG_FS=n:

    block/mq-deadline.c:274:12: warning: ‘dd_queued’ defined but not used [-Wunused-function]
      274 | static u32 dd_queued(struct deadline_data *dd, enum dd_prio prio)
	  |            ^~~~~~~~~

Fix this by moving dd_queued() just before the sole function that calls
it.

Fixes: 7b05bf7710 ("Revert "block/mq-deadline: Prioritize high-priority requests"")
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Fixes: 38ba64d12d ("block/mq-deadline: Track I/O statistics")
Reviewed-by: Bart Van Assche <bvanassche@acm.org>
Link: https://lore.kernel.org/r/20210830091128.1854266-1-geert@linux-m68k.org
Signed-off-by: Jens Axboe <axboe@kernel.dk>
2021-09-02 06:34:45 -06:00
Linus Torvalds
4ac6d90867 Yet another set of documentation changes:
- A reworking of PDF generation to yield better results for documents
    using CJK fonts in particular.
 
  - A new set of translations into traditional Chinese, a dialect for which
    I am assured there is a community of interested readers.
 
  - A lot more regular Chinese translation work as well.
 
 ...plus the usual assortment of updates, fixes, typo tweaks, etc.
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Merge tag 'docs-5.15' of git://git.lwn.net/linux

Pull documentation updates from Jonathan Corbet:
 "Yet another set of documentation changes:

   - A reworking of PDF generation to yield better results for documents
     using CJK fonts in particular.

   - A new set of translations into traditional Chinese, a dialect for
     which I am assured there is a community of interested readers.

   - A lot more regular Chinese translation work as well.

  ... plus the usual assortment of updates, fixes, typo tweaks, etc"

* tag 'docs-5.15' of git://git.lwn.net/linux: (55 commits)
  docs: sphinx-requirements: Move sphinx_rtd_theme to top
  docs: pdfdocs: Enable language-specific font choice of zh_TW translations
  docs: pdfdocs: Teach xeCJK about character classes of quotation marks
  docs: pdfdocs: Permit AutoFakeSlant for CJK fonts
  docs: pdfdocs: One-half spacing for CJK translations
  docs: pdfdocs: Add conf.py local to translations for ascii-art alignment
  docs: pdfdocs: Preserve inter-phrase space in Korean translations
  docs: pdfdocs: Choose Serif font as CJK mainfont if possible
  docs: pdfdocs: Add CJK-language-specific font settings
  docs: pdfdocs: Refactor config for CJK document
  scripts/kernel-doc: Override -Werror from KCFLAGS with KDOC_WERROR
  docs/zh_CN: Add zh_CN/accounting/psi.rst
  doc: align Italian translation
  Documentation/features/vm: riscv supports THP now
  docs/zh_CN: add infiniband user_verbs translation
  docs/zh_CN: add infiniband user_mad translation
  docs/zh_CN: add infiniband tag_matching translation
  docs/zh_CN: add infiniband sysfs translation
  docs/zh_CN: add infiniband opa_vnic translation
  docs/zh_CN: add infiniband ipoib translation
  ...
2021-09-01 18:49:47 -07:00
Linus Torvalds
df43d90382 printk changes for 5.15
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Merge tag 'printk-for-5.15' of git://git.kernel.org/pub/scm/linux/kernel/git/printk/linux

Pull printk updates from Petr Mladek:

 - Optionally, provide an index of possible printk messages via
   <debugfs>/printk/index/. It can be used when monitoring important
   kernel messages on a farm of various hosts. The monitor has to be
   updated when some messages has changed or are not longer available by
   a newly deployed kernel.

 - Add printk.console_no_auto_verbose boot parameter. It allows to
   generate crash dump even with slow consoles in a reasonable time
   frame.

 - Remove printk_safe buffers. The messages are always stored directly
   to the main logbuffer, even in NMI or recursive context. Also it
   allows to serialize syslog operations by a mutex instead of a spin
   lock.

 - Misc clean up and build fixes.

* tag 'printk-for-5.15' of git://git.kernel.org/pub/scm/linux/kernel/git/printk/linux:
  printk/index: Fix -Wunused-function warning
  lib/nmi_backtrace: Serialize even messages about idle CPUs
  printk: Add printk.console_no_auto_verbose boot parameter
  printk: Remove console_silent()
  lib/test_scanf: Handle n_bits == 0 in random tests
  printk: syslog: close window between wait and read
  printk: convert @syslog_lock to mutex
  printk: remove NMI tracking
  printk: remove safe buffers
  printk: track/limit recursion
  lib/nmi_backtrace: explicitly serialize banner and regs
  printk: Move the printk() kerneldoc comment to its new home
  printk/index: Fix warning about missing prototypes
  MIPS/asm/printk: Fix build failure caused by printk
  printk: index: Add indexing support to dev_printk
  printk: Userspace format indexing support
  printk: Rework parse_prefix into printk_parse_prefix
  printk: Straighten out log_flags into printk_info_flags
  string_helpers: Escape double quotes in escape_special
  printk/console: Check consistent sequence number when handling race in console_unlock()
2021-09-01 18:41:13 -07:00
Linus Torvalds
9e5f3ffcf1 Devicetree updates for v5.15:
- Refactor arch kdump DT related code to a common implementation
 
 - Add fw_devlink tracking for 'phy-handle', 'leds', 'backlight',
   'resets', and 'pwm' properties
 
 - Various clean-ups to DT FDT code
 
 - Fix a runtime error for !CONFIG_SYSFS
 
 - Convert Synopsys DW PCI and derivative binding docs to schemas. Add
   Toshiba Visconti PCIe binding.
 
 - Convert a bunch of memory controller bindings to schemas
 
 - Covert eeprom-93xx46, Samsung Exynos TRNG, Samsung Exynos IRQ
   combiner, arm-charlcd, img-ascii-lcd, UniPhier eFuse, Xilinx Zynq
   MPSoC FPGA, Xilinx Zynq MPSoC reset, Mediatek mmsys, Gemini boards,
   brcm,iproc-i2c, faraday,ftpci100, and ks8851 net to DT schema.
 
 - Extend nvmem bindings to handle bit offsets in unit-addresses
 
 - Add DT schemas for HiKey 970 PCIe PHY
 
 - Remove unused ZTE, energymicro,efm32-timer, and Exynos SATA bindings
 
 - Enable dtc pci_device_reg warning by default
 
 - Fixes for handling 'unevaluatedProperties' in preparation to enable
   pending support in the tooling for jsonschema 2020-12 draft
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Merge tag 'devicetree-for-5.15' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux

Pull devicetree updates from Rob Herring:

 - Refactor arch kdump DT related code to a common implementation

 - Add fw_devlink tracking for 'phy-handle', 'leds', 'backlight',
   'resets', and 'pwm' properties

 - Various clean-ups to DT FDT code

 - Fix a runtime error for !CONFIG_SYSFS

 - Convert Synopsys DW PCI and derivative binding docs to schemas. Add
   Toshiba Visconti PCIe binding.

 - Convert a bunch of memory controller bindings to schemas

 - Covert eeprom-93xx46, Samsung Exynos TRNG, Samsung Exynos IRQ
   combiner, arm-charlcd, img-ascii-lcd, UniPhier eFuse, Xilinx Zynq
   MPSoC FPGA, Xilinx Zynq MPSoC reset, Mediatek mmsys, Gemini boards,
   brcm,iproc-i2c, faraday,ftpci100, and ks8851 net to DT schema.

 - Extend nvmem bindings to handle bit offsets in unit-addresses

 - Add DT schemas for HiKey 970 PCIe PHY

 - Remove unused ZTE, energymicro,efm32-timer, and Exynos SATA bindings

 - Enable dtc pci_device_reg warning by default

 - Fixes for handling 'unevaluatedProperties' in preparation to enable
   pending support in the tooling for jsonschema 2020-12 draft

* tag 'devicetree-for-5.15' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux: (78 commits)
  dt-bindings: display: remove zte,vou.txt binding doc
  dt-bindings: hwmon: merge max1619 into trivial devices
  dt-bindings: mtd-physmap: Add 'arm,vexpress-flash' compatible
  dt-bindings: PCI: imx6: convert the imx pcie controller to dtschema
  dt-bindings: Use 'enum' instead of 'oneOf' plus 'const' entries
  dt-bindings: Add vendor prefix for Topic Embedded Systems
  of: fdt: Rename reserve_elfcorehdr() to fdt_reserve_elfcorehdr()
  arm64: kdump: Remove custom linux,usable-memory-range handling
  arm64: kdump: Remove custom linux,elfcorehdr handling
  riscv: Remove non-standard linux,elfcorehdr handling
  of: fdt: Use IS_ENABLED(CONFIG_BLK_DEV_INITRD) instead of #ifdef
  of: fdt: Add generic support for handling usable memory range property
  of: fdt: Add generic support for handling elf core headers property
  crash_dump: Make elfcorehdr address/size symbols always visible
  dt-bindings: memory: convert Samsung Exynos DMC to dtschema
  dt-bindings: devfreq: event: convert Samsung Exynos PPMU to dtschema
  dt-bindings: devfreq: event: convert Samsung Exynos NoCP to dtschema
  kbuild: Enable dtc 'pci_device_reg' warning by default
  dt-bindings: soc: remove obsolete zte zx header
  dt-bindings: clock: remove obsolete zte zx header
  ...
2021-09-01 18:34:51 -07:00
Linus Torvalds
6104dde096 m68knommu: collection of fixes for 5.15
. flexcan platform support (for m5441x)
 . fix CONFIG_ROMKERNEL linking
 . fix compilation when CONFIG_ISA_DMA_API is set
 . fix local ColdFire clk_enable() for NULL clk
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Merge tag 'm68knommu-for-v5.15' of git://git.kernel.org/pub/scm/linux/kernel/git/gerg/m68knommu

Pull m68knommu updates from Greg Ungerer:
 "A collection of fixes:

   -  flexcan platform support (for m5441x)

   -  fix CONFIG_ROMKERNEL linking

   -  fix compilation when CONFIG_ISA_DMA_API is set

   -  fix local ColdFire clk_enable() for NULL clk"

* tag 'm68knommu-for-v5.15' of git://git.kernel.org/pub/scm/linux/kernel/git/gerg/m68knommu:
  m68knommu: only set CONFIG_ISA_DMA_API for ColdFire sub-arch
  m68k: coldfire: return success for clk_enable(NULL)
  m68k: m5441x: add flexcan support
  m68k: stmark2: update board setup
  m68k/nommu: prevent setting ROMKERNEL when ROM is not set
2021-09-01 18:31:45 -07:00
Linus Torvalds
c07f191907 hyperv-next for 5.15
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Merge tag 'hyperv-next-signed-20210831' of git://git.kernel.org/pub/scm/linux/kernel/git/hyperv/linux

Pull hyperv updates from Wei Liu:

 - make Hyper-V code arch-agnostic (Michael Kelley)

 - fix sched_clock behaviour on Hyper-V (Ani Sinha)

 - fix a fault when Linux runs as the root partition on MSHV (Praveen
   Kumar)

 - fix VSS driver (Vitaly Kuznetsov)

 - cleanup (Sonia Sharma)

* tag 'hyperv-next-signed-20210831' of git://git.kernel.org/pub/scm/linux/kernel/git/hyperv/linux:
  hv_utils: Set the maximum packet size for VSS driver to the length of the receive buffer
  Drivers: hv: Enable Hyper-V code to be built on ARM64
  arm64: efi: Export screen_info
  arm64: hyperv: Initialize hypervisor on boot
  arm64: hyperv: Add panic handler
  arm64: hyperv: Add Hyper-V hypercall and register access utilities
  x86/hyperv: fix root partition faults when writing to VP assist page MSR
  hv: hyperv.h: Remove unused inline functions
  drivers: hv: Decouple Hyper-V clock/timer code from VMbus drivers
  x86/hyperv: add comment describing TSC_INVARIANT_CONTROL MSR setting bit 0
  Drivers: hv: Move Hyper-V misc functionality to arch-neutral code
  Drivers: hv: Add arch independent default functions for some Hyper-V handlers
  Drivers: hv: Make portions of Hyper-V init code be arch neutral
  x86/hyperv: fix for unwanted manipulation of sched_clock when TSC marked unstable
  asm-generic/hyperv: Add missing #include of nmi.h
2021-09-01 18:25:20 -07:00
Linus Torvalds
7c636d4d20 ARM: SoC DT changes for 5.15
As usual, the bulk of work in the SoC tree goes into DT files,
 this time with a roughly even split between 32-bit and 64-bit
 SoCs rather than the usual mostly 64-bit changes.
 
 New SoCs:
 
  - Microchip SAMA7 SoC family based on Cortex-A7, a new
    32-bit platform based on the older SAMA5 series.
 
  - Qualcomm Snapdragon SDM636 and SM8150, variations of the
    existing phone SoCs.
 
  - Renesas R-Car H3e-2G and M3e-2G SoCs, variations of
    older Renesas SoCs.
 
 New boards:
 
  - Marvell CN913x reference boards
 
  - ASpeed AST2600 BMC implementations for Facebook Cloudripper,
    Elbert and Fuji server boards.
 
  - Snapdragon 665 based Sony Xperia 10II
 
  - Snapdragon MSM8916 based Xiaomi Redmi 2
 
  - Snapdragon MSM8226 based Samsung Galaxy S3 Neo
 
  - NXP i.MX based 32-bit boards:
    - DHCOM based PicoITX
    - DHSOM based DRC0ỉ
    - SolidRun SolidSense
    - SKOV i.MX6 boards.
 
  - NXP i.MX based 64-bit boards:
    - Nitrogen8 SoM and MNT Reform2
    - LS1088A based Traverse Ten64
    - i.MX8M based GW7902.
 
  - NVIDIA Jetson TX2 NX Developer Kit
 
  - 4KOpen STiH418-b2264 development board
 
  - ux500 based Samsung phones: Gavini, Codina and Kyle
 
  - TI AM335x based Sancloud BBE Lite
 
  - ixp4xx dts files to replace all old board files
 
 Other changes:
 
  - Treewide fixes for dtc warnings
 
  - Rockchips i/o domain support
 
  - TI OMAP/AM3 CPSW switch driver support
 
  - Improved device support for allwinner, aspeed, qualcomm, NXP,
    nvidia, Renesas, Samsung, Amlogic, Mediatek, ixp4xx, stm32, sti,
    OMAP and actions.
 
 Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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Merge tag 'dt-5.15' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc

Pull ARM SoC DT updates from Arnd Bergmann:
 "As usual, the bulk of work in the SoC tree goes into DT files, this
  time with a roughly even split between 32-bit and 64-bit SoCs rather
  than the usual mostly 64-bit changes.

  New SoCs:

   - Microchip SAMA7 SoC family based on Cortex-A7, a new 32-bit
     platform based on the older SAMA5 series.

   - Qualcomm Snapdragon SDM636 and SM8150, variations of the existing
     phone SoCs.

   - Renesas R-Car H3e-2G and M3e-2G SoCs, variations of older Renesas
     SoCs.

  New boards:

   - Marvell CN913x reference boards

   - ASpeed AST2600 BMC implementations for Facebook Cloudripper, Elbert
     and Fuji server boards.

   - Snapdragon 665 based Sony Xperia 10II

   - Snapdragon MSM8916 based Xiaomi Redmi 2

   - Snapdragon MSM8226 based Samsung Galaxy S3 Neo

   - NXP i.MX based 32-bit boards:
       - DHCOM based PicoITX
       - DHSOM based DRC0ỉ
       - SolidRun SolidSense
       - SKOV i.MX6 boards.

   - NXP i.MX based 64-bit boards:
       - Nitrogen8 SoM and MNT Reform2
       - LS1088A based Traverse Ten64
       - i.MX8M based GW7902.

   - NVIDIA Jetson TX2 NX Developer Kit

   - 4KOpen STiH418-b2264 development board

   - ux500 based Samsung phones: Gavini, Codina and Kyle

   - TI AM335x based Sancloud BBE Lite

   - ixp4xx dts files to replace all old board files

  Other changes:

   - Treewide fixes for dtc warnings

   - Rockchips i/o domain support

   - TI OMAP/AM3 CPSW switch driver support

   - Improved device support for allwinner, aspeed, qualcomm, NXP,
     nvidia, Renesas, Samsung, Amlogic, Mediatek, ixp4xx, stm32, sti,
     OMAP and actions"

* tag 'dt-5.15' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (412 commits)
  arm/arm64: dts: Fix remaining dtc 'unit_address_format' warnings
  ARM: dts: rockchip: Add SFC to RV1108
  arm64: dts: marvell: armada-37xx: Extend PCIe MEM space
  ARM: dts: aspeed: p10bmc: Add power control pins
  ARM: dts: aspeed: cloudripper: Add comments for "mdio1"
  ARM: dts: aspeed: minipack: Update flash partition table
  dt-bindings: arm: fsl: Add Traverse Ten64 (LS1088A) board
  dt-bindings: vendor-prefixes: add Traverse Technologies
  arm64: dts: add device tree for Traverse Ten64 (LS1088A)
  arm64: dts: ls1088a: add missing PMU node
  arm64: dts: ls1088a: add internal PCS for DPMAC1 node
  ARM: dts: imx6qp-prtwd3: configure ENET_REF clock to 125MHz
  ARM: dts: vf610-zii-dev-rev-b: Remove #address-cells and #size-cells property from at93c46d dt node
  ARM: dts: add SKOV imx6q and imx6dl based boards
  dt-bindings: arm: fsl: add SKOV imx6q and imx6dl based boards
  dt-bindings: vendor-prefixes: Add an entry for SKOV A/S
  arm64: dts: imx8mq-reform2: add sound support
  arm64: dts: imx8m: drop interrupt-affinity for pmu
  arm64: dts: imx8qxp: update pmu compatible
  arm64: dts: imx8mm: update pmu compatible
  ...
2021-09-01 15:39:09 -07:00
Linus Torvalds
32b47072f3 ARM: defconfigs for v5.15
The usual set of defconfig updates, including one new defconfig file
 for the new sama7 family of SoCs.
 
 Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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Merge tag 'defconfig-5.15' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc

Pull ARM defconfig updates from Arnd Bergmann:
 "The usual set of defconfig updates, including one new defconfig file
  for the new sama7 family of SoCs"

* tag 'defconfig-5.15' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc:
  ARM: config: aspeed: Regenerate defconfigs
  ARM: config: aspeed_g4: Enable EDAC and SPGIO
  ARM: config: aspeed: Enable KCS adapter for raw SerIO
  ARM: config: aspeed: Enable hardened allocator feature
  ARM: imx_v6_v7_defconfig: enable driver of the LTC3676 PMIC
  ARM: multi_v7_defconfig: Enable CONFIG_TEGRA30_TSENSOR
  ARM: multi_v7_defconfig: Enable Acer A500 drivers
  ARM: tegra: Rebuild default configuration
  ARM: tegra: Enable CONFIG_CROS_EC
  ARM: tegra: Enable Acer A500 drivers
  ARM: tegra: Enable CONFIG_FB
  ARM: tegra: Enable CONFIG_TEGRA30_TSENSOR
  ARM: configs: multi_v7: enable PL35x NAND controller
  arm64: defconfig: Enable Qualcomm MSM8996 CPU clock driver
  ARM: imx_v6_v7_defconfig: Let CONFIG_SCSI_LOWLEVEL be selected
  ARM: imx_v6_v7_defconfig: Select CONFIG_KPROBES
  ARM: multi_v7_defconfig: Enable CONFIG_MMC_MESON_MX_SDHC
  ARM: multi_v7_defconfig: add sama7g5 SoC
  ARM: configs: at91: add defconfig for sama7 family of SoCs
2021-09-01 15:28:28 -07:00
Linus Torvalds
866147b8fa ARM: SoC drivers for 5.15
These are updates for drivers that are tied to a particular SoC,
 including the correspondig device tree bindings:
 
  - A couple of reset controller changes for unisoc, uniphier, renesas
    and zte platforms
 
  - memory controller driver fixes for omap and tegra
 
  - Rockchip io domain driver updates
 
  - Lots of updates for qualcomm platforms, mostly touching their
    firmware and power management drivers
 
  - Tegra FUSE and firmware driver updateѕ
 
  - Support for virtio transports in the SCMI firmware framework
 
  - cleanup of ixp4xx drivers, towards enabling multiplatform
    support and bringing it up to date with modern platforms
 
  - Minor updates for keystone, mediatek, omap, renesas.
 
 Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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Merge tag 'drivers-5.15' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc

Pull ARM SoC driver updates from Arnd Bergmann:
 "These are updates for drivers that are tied to a particular SoC,
  including the correspondig device tree bindings:

   - A couple of reset controller changes for unisoc, uniphier, renesas
     and zte platforms

   - memory controller driver fixes for omap and tegra

   - Rockchip io domain driver updates

   - Lots of updates for qualcomm platforms, mostly touching their
     firmware and power management drivers

   - Tegra FUSE and firmware driver updateѕ

   - Support for virtio transports in the SCMI firmware framework

   - cleanup of ixp4xx drivers, towards enabling multiplatform support
     and bringing it up to date with modern platforms

   - Minor updates for keystone, mediatek, omap, renesas"

* tag 'drivers-5.15' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (96 commits)
  reset: simple: remove ZTE details in Kconfig help
  soc: rockchip: io-domain: Remove unneeded semicolon
  soc: rockchip: io-domain: add rk3568 support
  dt-bindings: power: add rk3568-pmu-io-domain support
  bus: ixp4xx: return on error in ixp4xx_exp_probe()
  soc: renesas: Prefer memcpy() over strcpy()
  firmware: tegra: Stop using seq_get_buf()
  soc/tegra: fuse: Enable fuse clock on suspend for Tegra124
  soc/tegra: fuse: Add runtime PM support
  soc/tegra: fuse: Clear fuse->clk on driver probe failure
  soc/tegra: pmc: Prevent racing with cpuilde driver
  soc/tegra: bpmp: Remove unused including <linux/version.h>
  dt-bindings: soc: ti: pruss: Add dma-coherent property
  soc: ti: Remove pm_runtime_irq_safe() usage for smartreflex
  soc: ti: pruss: Enable support for ICSSG subsystems on K3 AM64x SoCs
  dt-bindings: soc: ti: pruss: Update bindings for K3 AM64x SoCs
  firmware: arm_scmi: Use WARN_ON() to check configured transports
  firmware: arm_scmi: Fix boolconv.cocci warnings
  soc: mediatek: mmsys: Fix missing UFOE component in mt8173 table routing
  soc: mediatek: mmsys: add MT8365 support
  ...
2021-09-01 15:25:28 -07:00
Linus Torvalds
634135a07b ARM: SoC updates for 5.15
There are three noteworthy updates for 32-bit arm platforms this time:
 
  - The Microchip SAMA7 family based on Cortex-A7 gets introduced, a new
    cousin to the older SAM9 (ARM9xx based) and SAMA5 (Cortex-A5 based)
    SoCs.
 
  - The ixp4xx platform (based on Intel XScale) is finally converted to
    device tree, and all the old board files are getting removed now.
 
  - The Cirrus Logic EP93xx platform loses support for the old
    MaverickCrunch FPU. Support for compiling user space applications
    was already removed in gcc-4.9, and the kernel support for old
    applications could not be built with clang ias. After confirming
    that there are no remaining users, removing this from the kernel
    seemed better than adding support for unused features to clang.
 
 There are minor updates to the aspeed, omap and samsung platforms
 
 Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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Merge tag 'soc-5.15' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc

Pull ARM SoC updates from Arnd Bergmann:
 "There are three noteworthy updates for 32-bit arm platforms this time:

   - The Microchip SAMA7 family based on Cortex-A7 gets introduced, a
     new cousin to the older SAM9 (ARM9xx based) and SAMA5 (Cortex-A5
     based) SoCs.

   - The ixp4xx platform (based on Intel XScale) is finally converted to
     device tree, and all the old board files are getting removed now.

   - The Cirrus Logic EP93xx platform loses support for the old
     MaverickCrunch FPU. Support for compiling user space applications
     was already removed in gcc-4.9, and the kernel support for old
     applications could not be built with clang ias. After confirming
     that there are no remaining users, removing this from the kernel
     seemed better than adding support for unused features to clang.

  There are minor updates to the aspeed, omap and samsung platforms"

* tag 'soc-5.15' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (48 commits)
  soc: aspeed-lpc-ctrl: Fix clock cleanup in error path
  ARM: s3c: delete unneed local variable "delay"
  soc: aspeed: Re-enable FWH2AHB on AST2600
  soc: aspeed: socinfo: Add AST2625 variant
  soc: aspeed: p2a-ctrl: Fix boundary check for mmap
  soc: aspeed: lpc-ctrl: Fix boundary check for mmap
  ARM: ixp4xx: Delete the Freecom FSG-3 boardfiles
  ARM: ixp4xx: Delete GTWX5715 board files
  ARM: ixp4xx: Delete Coyote and IXDPG425 boardfiles
  ARM: ixp4xx: Delete Intel reference design boardfiles
  ARM: ixp4xx: Delete Avila boardfiles
  ARM: ixp4xx: Delete the Arcom Vulcan boardfiles
  ARM: ixp4xx: Delete Gateway WG302v2 boardfiles
  ARM: ixp4xx: Delete Omicron boardfiles
  ARM: ixp4xx: Delete the D-Link DSM-G600 boardfiles
  ARM: ixp4xx: Delete NAS100D boardfiles
  ARM: ixp4xx: Delete NSLU2 boardfiles
  arm: omap2: Drop the unused OMAP_PACKAGE_* KConfig entries
  arm: omap2: Drop obsolete MACH_OMAP3_PANDORA entry
  ARM: ep93xx: remove MaverickCrunch support
  ...
2021-09-01 15:19:43 -07:00
Linus Torvalds
4cdc4cc2ad asm-generic changes for 5.15
The main content for 5.15 is a series that cleans up the handling of
 strncpy_from_user() and strnlen_user(), removing a lot of slightly
 incorrect versions of these in favor of the lib/strn*.c helpers
 that implement these correctly and more efficiently.
 
 The only architectures that retain a private version now are
 mips, ia64, um and parisc. I had offered to convert those at all,
 but Thomas Bogendoerfer wanted to keep the mips version for the
 moment until he had a chance to do regression testing.
 
 The branch also contains two patches for bitops and for ffs().
 
 Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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Merge tag 'asm-generic-5.15' of git://git.kernel.org/pub/scm/linux/kernel/git/arnd/asm-generic

Pull asm-generic updates from Arnd Bergmann:
 "The main content for 5.15 is a series that cleans up the handling of
  strncpy_from_user() and strnlen_user(), removing a lot of slightly
  incorrect versions of these in favor of the lib/strn*.c helpers that
  implement these correctly and more efficiently.

  The only architectures that retain a private version now are mips,
  ia64, um and parisc. I had offered to convert those at all, but Thomas
  Bogendoerfer wanted to keep the mips version for the moment until he
  had a chance to do regression testing.

  The branch also contains two patches for bitops and for ffs()"

* tag 'asm-generic-5.15' of git://git.kernel.org/pub/scm/linux/kernel/git/arnd/asm-generic:
  bitops/non-atomic: make @nr unsigned to avoid any DIV
  asm-generic: ffs: Drop bogus reference to ffz location
  asm-generic: reverse GENERIC_{STRNCPY_FROM,STRNLEN}_USER symbols
  asm-generic: remove extra strn{cpy_from,len}_user declarations
  asm-generic: uaccess: remove inline strncpy_from_user/strnlen_user
  s390: use generic strncpy/strnlen from_user
  microblaze: use generic strncpy/strnlen from_user
  csky: use generic strncpy/strnlen from_user
  arc: use generic strncpy/strnlen from_user
  hexagon: use generic strncpy/strnlen from_user
  h8300: remove stale strncpy_from_user
  asm-generic/uaccess.h: remove __strncpy_from_user/__strnlen_user
2021-09-01 15:13:02 -07:00
Linus Torvalds
57c78a234e arm64 updates for 5.15:
- Support for 32-bit tasks on asymmetric AArch32 systems (on top of the
   scheduler changes merged via the tip tree).
 
 - More entry.S clean-ups and conversion to C.
 
 - MTE updates: allow a preferred tag checking mode to be set per CPU
   (the overhead of synchronous mode is smaller for some CPUs than
   others); optimisations for kernel entry/exit path; optionally disable
   MTE on the kernel command line.
 
 - Kselftest improvements for SVE and signal handling, PtrAuth.
 
 - Fix unlikely race where a TLBI could use stale ASID on an ASID
   roll-over (found by inspection).
 
 - Miscellaneous fixes: disable trapping of PMSNEVFR_EL1 to higher
   exception levels; drop unnecessary sigdelsetmask() call in the
   signal32 handling; remove BUG_ON when failing to allocate SVE state
   (just signal the process); SYM_CODE annotations.
 
 - Other trivial clean-ups: use macros instead of magic numbers, remove
   redundant returns, typos.
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Merge tag 'arm64-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux

Pull arm64 updates from Catalin Marinas:

 - Support for 32-bit tasks on asymmetric AArch32 systems (on top of the
   scheduler changes merged via the tip tree).

 - More entry.S clean-ups and conversion to C.

 - MTE updates: allow a preferred tag checking mode to be set per CPU
   (the overhead of synchronous mode is smaller for some CPUs than
   others); optimisations for kernel entry/exit path; optionally disable
   MTE on the kernel command line.

 - Kselftest improvements for SVE and signal handling, PtrAuth.

 - Fix unlikely race where a TLBI could use stale ASID on an ASID
   roll-over (found by inspection).

 - Miscellaneous fixes: disable trapping of PMSNEVFR_EL1 to higher
   exception levels; drop unnecessary sigdelsetmask() call in the
   signal32 handling; remove BUG_ON when failing to allocate SVE state
   (just signal the process); SYM_CODE annotations.

 - Other trivial clean-ups: use macros instead of magic numbers, remove
   redundant returns, typos.

* tag 'arm64-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux: (56 commits)
  arm64: Do not trap PMSNEVFR_EL1
  arm64: mm: fix comment typo of pud_offset_phys()
  arm64: signal32: Drop pointless call to sigdelsetmask()
  arm64/sve: Better handle failure to allocate SVE register storage
  arm64: Document the requirement for SCR_EL3.HCE
  arm64: head: avoid over-mapping in map_memory
  arm64/sve: Add a comment documenting the binutils needed for SVE asm
  arm64/sve: Add some comments for sve_save/load_state()
  kselftest/arm64: signal: Add a TODO list for signal handling tests
  kselftest/arm64: signal: Add test case for SVE register state in signals
  kselftest/arm64: signal: Verify that signals can't change the SVE vector length
  kselftest/arm64: signal: Check SVE signal frame shows expected vector length
  kselftest/arm64: signal: Support signal frames with SVE register data
  kselftest/arm64: signal: Add SVE to the set of features we can check for
  arm64: replace in_irq() with in_hardirq()
  kselftest/arm64: pac: Fix skipping of tests on systems without PAC
  Documentation: arm64: describe asymmetric 32-bit support
  arm64: Remove logic to kill 32-bit tasks on 64-bit-only cores
  arm64: Hook up cmdline parameter to allow mismatched 32-bit EL0
  arm64: Advertise CPUs capable of running 32-bit applications in sysfs
  ...
2021-09-01 15:04:29 -07:00
Linus Torvalds
bcfeebbff3 Merge branch 'exit-cleanups-for-v5.15' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace
Pull exit cleanups from Eric Biederman:
 "In preparation of doing something about PTRACE_EVENT_EXIT I have
  started cleaning up various pieces of code related to do_exit. Most of
  that code I did not manage to get tested and reviewed before the merge
  window opened but a handful of very useful cleanups are ready to be
  merged.

  The first change is simply the removal of the bdflush system call. The
  code has now been disabled long enough that even the oldest userspace
  working userspace setups anyone can find to test are fine with the
  bdflush system call being removed.

  Changing m68k fsp040_die to use force_sigsegv(SIGSEGV) instead of
  calling do_exit directly is interesting only in that it is nearly the
  most difficult of the incorrect uses of do_exit to remove.

  The change to the seccomp code to simply send a signal instead of
  calling do_coredump directly is a very nice little cleanup made
  possible by realizing the existing signal sending helpers were missing
  a little bit of functionality that is easy to provide"

* 'exit-cleanups-for-v5.15' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace:
  signal/seccomp: Dump core when there is only one live thread
  signal/seccomp: Refactor seccomp signal and coredump generation
  signal/m68k: Use force_sigsegv(SIGSEGV) in fpsp040_die
  exit/bdflush: Remove the deprecated bdflush system call
2021-09-01 14:52:05 -07:00
Linus Torvalds
48983701a1 Merge branch 'siginfo-si_trapno-for-v5.15' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace
Pull siginfo si_trapno updates from Eric Biederman:
 "The full set of si_trapno changes was not appropriate as a fix for the
  newly added SIGTRAP TRAP_PERF, and so I postponed the rest of the
  related cleanups.

  This is the rest of the cleanups for si_trapno that reduces it from
  being a really weird arch special case that is expect to be always
  present (but isn't) on the architectures that support it to being yet
  another field in the _sigfault union of struct siginfo.

  The changes have been reviewed and marinated in linux-next. With the
  removal of this awkward special case new code (like SIGTRAP TRAP_PERF)
  that works across architectures should be easier to write and
  maintain"

* 'siginfo-si_trapno-for-v5.15' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace:
  signal: Rename SIL_PERF_EVENT SIL_FAULT_PERF_EVENT for consistency
  signal: Verify the alignment and size of siginfo_t
  signal: Remove the generic __ARCH_SI_TRAPNO support
  signal/alpha: si_trapno is only used with SIGFPE and SIGTRAP TRAP_UNK
  signal/sparc: si_trapno is only used with SIGILL ILL_ILLTRP
  arm64: Add compile-time asserts for siginfo_t offsets
  arm: Add compile-time asserts for siginfo_t offsets
  sparc64: Add compile-time asserts for siginfo_t offsets
2021-09-01 14:42:36 -07:00
Linus Torvalds
477f70cd2a drm for v5.15-rc1
core:
 - extract i915 eDP backlight into core
 - DP aux bus support
 - drm_device.irq_enabled removed
 - port drivers to native irq interfaces
 - export gem shadow plane handling for vgem
 - print proper driver name in framebuffer registration
 - driver fixes for implicit fencing rules
 - ARM fixed rate compression modifier added
 - updated fb damage handling
 - rmfb ioctl logging/docs
 - drop drm_gem_object_put_locked
 - define DRM_FORMAT_MAX_PLANES
 - add gem fb vmap/vunmap helpers
 - add lockdep_assert(once) helpers
 - mark drm irq midlayer as legacy
 - use offset adjusted bo mapping conversion
 
 vgaarb:
 - cleanups
 
 fbdev:
 - extend efifb handling to all arches
 - div by 0 fixes for multiple drivers
 
 udmabuf:
 - add hugepage mapping support
 
 dma-buf:
 - non-dynamic exporter fixups
 - document implicit fencing rules
 
 amdgpu:
 - Initial Cyan Skillfish support
 - switch virtual DCE over to vkms based atomic
 - VCN/JPEG power down fixes
 - NAVI PCIE link handling fixes
 - AMD HDMI freesync fixes
 - Yellow Carp + Beige Goby fixes
 - Clockgating/S0ix/SMU/EEPROM fixes
 - embed hw fence in job
 - rework dma-resv handling
 - ensure eviction to system ram
 
 amdkfd:
 - uapi: SVM address range query added
 - sysfs leak fix
 - GPUVM TLB optimizations
 - vmfault/migration counters
 
 i915:
 - Enable JSL and EHL by default
 - preliminary XeHP/DG2 support
 - remove all CNL support (never shipped)
 - move to TTM for discrete memory support
 - allow mixed object mmap handling
 - GEM uAPI spring cleaning
   - add I915_MMAP_OBJECT_FIXED
   - reinstate ADL-P mmap ioctls
   - drop a bunch of unused by userspace features
   - disable and remove GPU relocations
 - revert some i915 misfeatures
 - major refactoring of GuC for Gen11+
 - execbuffer object locking separate step
 - reject caching/set-domain on discrete
 - Enable pipe DMC loading on XE-LPD and ADL-P
 - add PSF GV point support
 - Refactor and fix DDI buffer translations
 - Clean up FBC CFB allocation code
 - Finish INTEL_GEN() and friends macro conversions
 
 nouveau:
 - add eDP backlight support
 - implicit fence fix
 
 msm:
 - a680/7c3 support
 - drm/scheduler conversion
 
 panfrost:
 - rework GPU reset
 
 virtio:
 - fix fencing for planes
 
 ast:
 - add detect support
 
 bochs:
 - move to tiny GPU driver
 
 vc4:
 - use hotplug irqs
 - HDMI codec support
 
 vmwgfx:
 - use internal vmware device headers
 
 ingenic:
 - demidlayering irq
 
 rcar-du:
 - shutdown fixes
 - convert to bridge connector helpers
 
 zynqmp-dsub:
 - misc fixes
 
 mgag200:
 - convert PLL handling to atomic
 
 mediatek:
 - MT8133 AAL support
 - gem mmap object support
 - MT8167 support
 
 etnaviv:
 - NXP Layerscape LS1028A SoC support
 - GEM mmap cleanups
 
 tegra:
 - new user API
 
 exynos:
 - missing unlock fix
 - build warning fix
 - use refcount_t
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Merge tag 'drm-next-2021-08-31-1' of git://anongit.freedesktop.org/drm/drm

Pull drm updates from Dave Airlie:
 "Highlights:

   - i915 has seen a lot of refactoring and uAPI cleanups due to a
     change in the upstream direction going forward

     This has all been audited with known userspace, but there may be
     some pitfalls that were missed.

   - i915 now uses common TTM to enable discrete memory on DG1/2 GPUs

   - i915 enables Jasper and Elkhart Lake by default and has preliminary
     XeHP/DG2 support

   - amdgpu adds support for Cyan Skillfish

   - lots of implicit fencing rules documented and fixed up in drivers

   - msm now uses the core scheduler

   - the irq midlayer has been removed for non-legacy drivers

   - the sysfb code now works on more than x86.

  Otherwise the usual smattering of stuff everywhere, panels, bridges,
  refactorings.

  Detailed summary:

  core:
   - extract i915 eDP backlight into core
   - DP aux bus support
   - drm_device.irq_enabled removed
   - port drivers to native irq interfaces
   - export gem shadow plane handling for vgem
   - print proper driver name in framebuffer registration
   - driver fixes for implicit fencing rules
   - ARM fixed rate compression modifier added
   - updated fb damage handling
   - rmfb ioctl logging/docs
   - drop drm_gem_object_put_locked
   - define DRM_FORMAT_MAX_PLANES
   - add gem fb vmap/vunmap helpers
   - add lockdep_assert(once) helpers
   - mark drm irq midlayer as legacy
   - use offset adjusted bo mapping conversion

  vgaarb:
   - cleanups

  fbdev:
   - extend efifb handling to all arches
   - div by 0 fixes for multiple drivers

  udmabuf:
   - add hugepage mapping support

  dma-buf:
   - non-dynamic exporter fixups
   - document implicit fencing rules

  amdgpu:
   - Initial Cyan Skillfish support
   - switch virtual DCE over to vkms based atomic
   - VCN/JPEG power down fixes
   - NAVI PCIE link handling fixes
   - AMD HDMI freesync fixes
   - Yellow Carp + Beige Goby fixes
   - Clockgating/S0ix/SMU/EEPROM fixes
   - embed hw fence in job
   - rework dma-resv handling
   - ensure eviction to system ram

  amdkfd:
   - uapi: SVM address range query added
   - sysfs leak fix
   - GPUVM TLB optimizations
   - vmfault/migration counters

  i915:
   - Enable JSL and EHL by default
   - preliminary XeHP/DG2 support
   - remove all CNL support (never shipped)
   - move to TTM for discrete memory support
   - allow mixed object mmap handling
   - GEM uAPI spring cleaning
       - add I915_MMAP_OBJECT_FIXED
       - reinstate ADL-P mmap ioctls
       - drop a bunch of unused by userspace features
       - disable and remove GPU relocations
   - revert some i915 misfeatures
   - major refactoring of GuC for Gen11+
   - execbuffer object locking separate step
   - reject caching/set-domain on discrete
   - Enable pipe DMC loading on XE-LPD and ADL-P
   - add PSF GV point support
   - Refactor and fix DDI buffer translations
   - Clean up FBC CFB allocation code
   - Finish INTEL_GEN() and friends macro conversions

  nouveau:
   - add eDP backlight support
   - implicit fence fix

  msm:
   - a680/7c3 support
   - drm/scheduler conversion

  panfrost:
   - rework GPU reset

  virtio:
   - fix fencing for planes

  ast:
   - add detect support

  bochs:
   - move to tiny GPU driver

  vc4:
   - use hotplug irqs
   - HDMI codec support

  vmwgfx:
   - use internal vmware device headers

  ingenic:
   - demidlayering irq

  rcar-du:
   - shutdown fixes
   - convert to bridge connector helpers

  zynqmp-dsub:
   - misc fixes

  mgag200:
   - convert PLL handling to atomic

  mediatek:
   - MT8133 AAL support
   - gem mmap object support
   - MT8167 support

  etnaviv:
   - NXP Layerscape LS1028A SoC support
   - GEM mmap cleanups

  tegra:
   - new user API

  exynos:
   - missing unlock fix
   - build warning fix
   - use refcount_t"

* tag 'drm-next-2021-08-31-1' of git://anongit.freedesktop.org/drm/drm: (1318 commits)
  drm/amd/display: Move AllowDRAMSelfRefreshOrDRAMClockChangeInVblank to bounding box
  drm/amd/display: Remove duplicate dml init
  drm/amd/display: Update bounding box states (v2)
  drm/amd/display: Update number of DCN3 clock states
  drm/amdgpu: disable GFX CGCG in aldebaran
  drm/amdgpu: Clear RAS interrupt status on aldebaran
  drm/amdgpu: Add support for RAS XGMI err query
  drm/amdkfd: Account for SH/SE count when setting up cu masks.
  drm/amdgpu: rename amdgpu_bo_get_preferred_pin_domain
  drm/amdgpu: drop redundant cancel_delayed_work_sync call
  drm/amdgpu: add missing cleanups for more ASICs on UVD/VCE suspend
  drm/amdgpu: add missing cleanups for Polaris12 UVD/VCE on suspend
  drm/amdkfd: map SVM range with correct access permission
  drm/amdkfd: check access permisson to restore retry fault
  drm/amdgpu: Update RAS XGMI Error Query
  drm/amdgpu: Add driver infrastructure for MCA RAS
  drm/amd/display: Add Logging for HDMI color depth information
  drm/amd/amdgpu: consolidate PSP TA init shared buf functions
  drm/amd/amdgpu: add name field back to ras_common_if
  drm/amdgpu: Fix build with missing pm_suspend_target_state module export
  ...
2021-09-01 11:26:46 -07:00
Linus Torvalds
835d31d319 media updates for v5.15-rc1
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Merge tag 'media/v5.15-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media

Pull media updates from Mauro Carvalho Chehab:

 - new sensor drivers: imx335, imx412, ov9282

 - new IR transmitter driver: meson-ir-tx

 - handro driver gained support for H.264 for Rockchip VDPU2

 - imx gained support for i.MX8MQ

 - ti-vpe has gained support for other SoC variants

 - lots of cleanups, fixes, board additions and doc improvements

* tag 'media/v5.15-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: (195 commits)
  media: venus: venc: add support for V4L2_CID_MPEG_VIDEO_H264_8X8_TRANSFORM control
  media: venus: venc: Add support for intra-refresh period
  media: v4l2-ctrls: Add intra-refresh period control
  media: docs: ext-ctrls-codec: Document cyclic intra-refresh zero control value
  media: venus: helper: do not set constrained parameters for UBWC
  media: venus: venc: Fix potential null pointer dereference on pointer fmt
  media: venus: hfi: fix return value check in sys_get_prop_image_version()
  media: tegra-cec: Handle errors of clk_prepare_enable()
  media: cec-pin: rename timer overrun variables
  media: TDA1997x: report -ENOLINK after disconnecting HDMI source
  media: TDA1997x: fix tda1997x_query_dv_timings() return value
  media: Fix cosmetic error in TDA1997x driver
  media: v4l2-dv-timings.c: fix wrong condition in two for-loops
  media: imx: add a driver for i.MX8MQ mipi csi rx phy and controller
  media: dt-bindings: media: document the nxp,imx8mq-mipi-csi2 receiver phy and controller
  media: imx: imx7_mipi_csis: convert some switch cases to the default
  media: imx: imx7-media-csi: Fix buffer return upon stream start failure
  media: imx: imx7-media-csi: Don't set PIXEL_BIT in CSICR1
  media: imx: imx7-media-csi: Set TWO_8BIT_SENSOR for >= 10-bit formats
  media: dt-bindings: media: nxp,imx7-csi: Add i.MX8MM support
  ...
2021-09-01 10:34:52 -07:00
Linus Torvalds
0d290223a6 sound updates for 5.15-rc1
There are a few intensive changes in ALSA core side at this time that
 helped the significant code reduction.  Meanwhile we keep getting new
 stuff, so the total size still grows...
 Anyway, the below are some highlights in this development cycle.
 
 ALSA core:
 - New helpers to manage page allocations and card object with devres
 - Refactoring for memory allocation with wc-pages
 - A new PCM hardware flag SNDRV_PCM_INFO_EXPLICIT_SYNC for controlling
   the explicit sync of the stream control; it'll be used for ASoC SOF
   and non-coherent memory in future
 
 ASoC:
 - Lots of cleanups and improvements to the Intel drivers, including
   some new systems support
 - New support for AMD Vangoh, CUI CMM-4030D-261, Mediatek Mt8195,
   Renesas RZ/G2L Mediatek Mt8195, RealTek RT101P, Renesas RZ/G2L,
   Rockchip RK3568 S/PDIF
 
 USB-audio:
 - Re-organized the quirk handling and  a new option quirk_flags
 - Fix for a regression in 5.14 code change for JACK
 - Quirks for Sony WALKMAN, Digidesign mbox
 
 HD-audio:
 - Enhanced support for CS8409 codec
 - More consistent shutdown behavior with the runtime PM
 - The model option can accept the PCI or codec SSID as an alias
 - Quirks for ASUS ROG, HP Spectre x360
 
 Others:
 - Lots of code reduction in legacy drivers with devres helpers
 - FireWire MOTU 896HD support
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Merge tag 'sound-5.15-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound

Pull sound updates from Takashi Iwai:
 "There are a few intensive changes in ALSA core side at this time that
  helped with significant code reduction. Meanwhile we keep getting new
  stuff, so the total size still grows...

  Anyway, the below are some highlights in this development cycle.

  ALSA core:

   - New helpers to manage page allocations and card object with devres

   - Refactoring for memory allocation with wc-pages

   - A new PCM hardware flag SNDRV_PCM_INFO_EXPLICIT_SYNC for
     controlling the explicit sync of the stream control; it'll be used
     for ASoC SOF and non-coherent memory in future

  ASoC:

   - Lots of cleanups and improvements to the Intel drivers, including
     some new systems support

   - New support for AMD Vangoh, CUI CMM-4030D-261, Mediatek Mt8195,
     Renesas RZ/G2L Mediatek Mt8195, RealTek RT101P, Renesas RZ/G2L,
     Rockchip RK3568 S/PDIF

  USB-audio:

   - Re-organized the quirk handling and a new option quirk_flags

   - Fix for a regression in 5.14 code change for JACK

   - Quirks for Sony WALKMAN, Digidesign mbox

  HD-audio:

   - Enhanced support for CS8409 codec

   - More consistent shutdown behavior with the runtime PM

   - The model option can accept the PCI or codec SSID as an alias

   - Quirks for ASUS ROG, HP Spectre x360

  Others:

   - Lots of code reduction in legacy drivers with devres helpers

   - FireWire MOTU 896HD support"

* tag 'sound-5.15-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: (421 commits)
  ASoC: Revert PCM trigger changes
  ALSA: usb-audio: Add lowlatency module option
  ALSA: hda/cs8409: Initialize Codec only in init fixup.
  ALSA: hda/cs8409: Ensure Type Detection is only run on startup when necessary
  ALSA: usb-audio: Work around for XRUN with low latency playback
  ALSA: pcm: fix divide error in snd_pcm_lib_ioctl
  ASoC: soc-pcm: test refcount before triggering
  ASoC: soc-pcm: protect BE dailink state changes in trigger
  ASoC: wcd9335: Disable irq on slave ports in the remove function
  ASoC: wcd9335: Fix a memory leak in the error handling path of the probe function
  ASoC: wcd9335: Fix a double irq free in the remove function
  ALSA: hda: Disable runtime resume at shutdown
  ASoC: rockchip: i2s: Add support for frame inversion
  ASoC: dt-bindings: rockchip: Add compatible strings for more SoCs
  ASoC: rockchip: i2s: Add compatible for more SoCs
  ASoC: rockchip: i2s: Make playback/capture optional
  ASoC: rockchip: i2s: Fixup config for DAIFMT_DSP_A/B
  ASoC: dt-bindings: rockchip: Document reset property for i2s
  ASoC: rockchip: i2s: Fix regmap_ops hang
  ASoC: rockchip: i2s: Improve dma data transfer efficiency
  ...
2021-09-01 10:29:29 -07:00
Nathan Chancellor
ea7b4244b3 x86/setup: Explicitly include acpi.h
After commit 342f43af70 ("iscsi_ibft: fix crash due to KASLR physical
memory remapping") x86_64_defconfig shows the following errors:

  arch/x86/kernel/setup.c: In function ‘setup_arch’:
  arch/x86/kernel/setup.c:916:13: error: implicit declaration of function ‘acpi_mps_check’ [-Werror=implicit-function-declaration]
    916 |         if (acpi_mps_check()) {
        |             ^~~~~~~~~~~~~~
  arch/x86/kernel/setup.c:1110:9: error: implicit declaration of function ‘acpi_table_upgrade’ [-Werror=implicit-function-declaration]
   1110 |         acpi_table_upgrade();
        |         ^~~~~~~~~~~~~~~~~~
  [... more acpi noise ...]

acpi.h was being implicitly included from iscsi_ibft.h in this
configuration so the removal of that header means these functions have
no definition or declaration.

In most other configurations, <linux/acpi.h> continued to be included
through at least <linux/tboot.h> if CONFIG_INTEL_TXT was enabled, and
there were probably other implicit include paths too.

Add acpi.h explicitly so there is no more error, and so that we don't
continue to depend on these unreliable implicit include paths.

Tested-by: Matthieu Baerts <matthieu.baerts@tessares.net>
Signed-off-by: Nathan Chancellor <nathan@kernel.org>
Cc: Maurizio Lombardi <mlombard@redhat.com>
Cc: Mike Rapoport <rppt@linux.ibm.com>
Cc: Konrad Rzeszutek Wilk <konrad@kernel.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2021-09-01 10:17:05 -07:00
Linus Torvalds
07281a257a USB/Thunderbolt patches for 5.15-rc1
Here is the big set of USB and Thunderbolt patches for 5.15-rc1.
 
 Nothing huge in here, just lots of constant forward progress on a number
 of different drivers and hardware support:
 	- more USB 4/Thunderbolt support added
 	- dwc3 driver updates and additions
 	- usb gadget fixes and addtions for new types
 	- udc gadget driver updates
 	- host controller updates
 	- removal of obsolete drivers
 	- other minor driver updates
 
 All of these have been in linux-next for a while with no reported
 issues.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'usb-5.15-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb

Pull USB / Thunderbolt updates from Greg KH:
 "Here is the big set of USB and Thunderbolt patches for 5.15-rc1.

  Nothing huge in here, just lots of constant forward progress on a
  number of different drivers and hardware support:

   - more USB 4/Thunderbolt support added

   - dwc3 driver updates and additions

   - usb gadget fixes and addtions for new types

   - udc gadget driver updates

   - host controller updates

   - removal of obsolete drivers

   - other minor driver updates

  All of these have been in linux-next for a while with no reported
  issues"

* tag 'usb-5.15-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (148 commits)
  usb: isp1760: otg control register access
  usb: isp1760: use the right irq status bit
  usb: isp1760: write to status and address register
  usb: isp1760: fix qtd fill length
  usb: isp1760: fix memory pool initialization
  usb: typec: tcpm: Fix spelling mistake "atleast" -> "at least"
  usb: dwc2: Fix spelling mistake "was't" -> "wasn't"
  usb: renesas_usbhs: Fix spelling mistake "faile" -> "failed"
  usb: host: xhci-rcar: Don't reload firmware after the completion
  usb: xhci-mtk: allow bandwidth table rollover
  usb: mtu3: fix random remote wakeup
  usb: mtu3: return successful suspend status
  usb: xhci-mtk: Do not use xhci's virt_dev in drop_endpoint
  usb: xhci-mtk: modify the SOF/ITP interval for mt8195
  usb: xhci-mtk: add a member of num_esit
  usb: xhci-mtk: check boundary before check tt
  usb: xhci-mtk: update fs bus bandwidth by bw_budget_table
  usb: xhci-mtk: fix issue of out-of-bounds array access
  usb: xhci-mtk: support option to disable usb2 ports
  usb: xhci-mtk: fix use-after-free of mtk->hcd
  ...
2021-09-01 09:59:34 -07:00
Linus Torvalds
7c314bdfb6 TTY / Serial patches for 5.15-rc1
Here is the "big" set of tty/serial driver patches for 5.15-rc1
 
 Nothing major in here at all, just some driver updates and more cleanups
 on old tty apis and code that needed it that includes:
 	- tty.h cleanup of things that didn't belong in it
 	- other tty cleanups by Jiri
 	- driver cleanups
 	- rs485 support added to amba-pl011 driver
 	- dts updates
 	- stm32 serial driver updates
 	- other minor fixes and driver updates
 
 All have been in linux-next for a while with no reported problems.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'tty-5.15-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty

Pull tty / serial updates from Greg KH:
 "Here is the "big" set of tty/serial driver patches for 5.15-rc1

  Nothing major in here at all, just some driver updates and more
  cleanups on old tty apis and code that needed it that includes:

   - tty.h cleanup of things that didn't belong in it

   - other tty cleanups by Jiri

   - driver cleanups

   - rs485 support added to amba-pl011 driver

   - dts updates

   - stm32 serial driver updates

   - other minor fixes and driver updates

  All have been in linux-next for a while with no reported problems"

* tag 'tty-5.15-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty: (83 commits)
  tty: serial: uartlite: Use read_poll_timeout for a polling loop
  tty: serial: uartlite: Use constants in early_uartlite_putc
  tty: Fix data race between tiocsti() and flush_to_ldisc()
  serial: vt8500: Use of_device_get_match_data
  serial: tegra: Use of_device_get_match_data
  serial: 8250_ingenic: Use of_device_get_match_data
  tty: serial: linflexuart: Remove redundant check to simplify the code
  tty: serial: fsl_lpuart: do software reset for imx7ulp and imx8qxp
  tty: serial: fsl_lpuart: enable two stop bits for lpuart32
  tty: serial: fsl_lpuart: fix the wrong mapbase value
  mxser: use semi-colons instead of commas
  tty: moxa: use semi-colons instead of commas
  tty: serial: fsl_lpuart: check dma_tx_in_progress in tx dma callback
  tty: replace in_irq() with in_hardirq()
  serial: sh-sci: fix break handling for sysrq
  serial: stm32: use devm_platform_get_and_ioremap_resource()
  serial: stm32: use the defined variable to simplify code
  Revert "arm pl011 serial: support multi-irq request"
  tty: serial: samsung: Add Exynos850 SoC data
  tty: serial: samsung: Fix driver data macros style
  ...
2021-09-01 09:51:16 -07:00
Linus Torvalds
ebf435d3b5 IIO / Staging driver update for 5.15-rc1
Here is the big set of staging and IIO driver updates for 5.15-rc1.
 Also included in here are the counter driver subsystem updates as the
 IIO drivers needed them.
 
 Lots of churn in some staging drivers, we dropped the "old" rtl8188eu
 driver and replaced it with a newer version of the driver that had been
 maintained out-of-tree by Larry with the end goal of actually being able
 to get this driver out of staging eventually.  Despite that driver being
 "newer" the line count of this pull request is going up.
 
 Some drivers moved out of staging as well, which is always nice to see,
 that is why there are additions to the mfc and misc driver subsystems.
 All of these were acked by the various subsystem maintainers involved.
 
 But by far, as normal, it's coding style cleanups all over the
 drivers/staging/ tree in here.
 
 Full details of these changes are in the shortlog.
 
 All of these have been in linux-next for a while with no reported
 problems.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'staging-5.15-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging

Pull IIO and staging driver updates from Greg KH:
 "Here is the big set of staging and IIO driver updates for 5.15-rc1.
  Also included in here are the counter driver subsystem updates as the
  IIO drivers needed them.

  Lots of churn in some staging drivers, we dropped the "old" rtl8188eu
  driver and replaced it with a newer version of the driver that had
  been maintained out-of-tree by Larry with the end goal of actually
  being able to get this driver out of staging eventually. Despite that
  driver being "newer" the line count of this pull request is going up.

  Some drivers moved out of staging as well, which is always nice to
  see, that is why there are additions to the mfc and misc driver
  subsystems. All of these were acked by the various subsystem
  maintainers involved.

  But by far, as normal, it's coding style cleanups all over the
  drivers/staging/ tree in here.

  Full details of these changes are in the shortlog.

  All of these have been in linux-next for a while with no reported
  problems"

[ Note: the r8188eu merge clashed with commit 89939e8906 ("staging:
  rtlwifi: use siocdevprivate") from the networking tree. When resolving
  the issue, I noted that the whole r8188eu rtw_android code is dead
  since commit ae7471cae0 ("staging: r8188eu: remove rtw_ioctl
  function").

  End result: the merge resolution was to throw all of that away,
  rather than do the mindless fixup to code that isn't actually
  reachable                                               - Linus ]

* tag 'staging-5.15-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging: (551 commits)
  staging: vt6655: Remove filenames in files
  staging: r8188eu: add extra TODO entries
  staging: vt6656: Remove filenames in files
  staging: wlan-ng: fix invalid assignment warning
  staging: r8188eu: rename fields of struct rtl_ps
  staging: r8188eu: remove ODM_DynamicPrimaryCCA_DupRTS()
  staging: r8188eu: rename fields of struct dyn_primary_cca
  staging: r8188eu: rename struct field Wifi_Error_Status
  staging: r8188eu: Provide a TODO file for this driver
  staging: r8188eu: remove unneeded variable
  staging: r8188eu: remove unneeded conversions to bool
  staging: r8188eu: remove {read,write}_macreg
  staging: r8188eu: core: remove condition with no effect
  staging: r8188eu: remove ethernet.h header file
  staging: r8188eu: remove ip.h header file
  staging: r8188eu: remove if_ether.h header file
  staging: r8188eu: make rtw_deinit_intf_priv return void
  staging: r8188eu: use is_multicast_ether_addr in os_dep/recv_linux.c
  staging: r8188eu: use is_multicast_ether_addr in hal/rtl8188eu_xmit.c
  staging: r8188eu: use is_multicast_ether_addr in core/rtw_xmit.c
  ...
2021-09-01 09:45:57 -07:00
Linus Torvalds
c6c3c5704b Driver core update for 5.15-rc1
Here is the big set of driver core patches for 5.15-rc1.
 
 These do change a number of different things across different
 subsystems, and because of that, there were 2 stable tags created that
 might have already come into your tree from different pulls that did the
 following
 	- changed the bus remove callback to return void
 	- sysfs iomem_get_mapping rework
 
 The latter one will cause a tiny merge issue with your tree, as there
 was a last-minute fix for this in 5.14 in your tree, but the fixup
 should be "obvious".  If you want me to provide a fixed merge for this,
 please let me know.
 
 Other than those two things, there's only a few small things in here:
 	- kernfs performance improvements for huge numbers of sysfs
 	  users at once
 	- tiny api cleanups
 	- other minor changes
 
 All of these have been in linux-next for a while with no reported
 problems, other than the before-mentioned merge issue.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'driver-core-5.15-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core

Pull driver core updates from Greg KH:
 "Here is the big set of driver core patches for 5.15-rc1.

  These do change a number of different things across different
  subsystems, and because of that, there were 2 stable tags created that
  might have already come into your tree from different pulls that did
  the following

   - changed the bus remove callback to return void

   - sysfs iomem_get_mapping rework

  Other than those two things, there's only a few small things in here:

   - kernfs performance improvements for huge numbers of sysfs users at
     once

   - tiny api cleanups

   - other minor changes

  All of these have been in linux-next for a while with no reported
  problems, other than the before-mentioned merge issue"

* tag 'driver-core-5.15-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core: (33 commits)
  MAINTAINERS: Add dri-devel for component.[hc]
  driver core: platform: Remove platform_device_add_properties()
  ARM: tegra: paz00: Handle device properties with software node API
  bitmap: extend comment to bitmap_print_bitmask/list_to_buf
  drivers/base/node.c: use bin_attribute to break the size limitation of cpumap ABI
  topology: use bin_attribute to break the size limitation of cpumap ABI
  lib: test_bitmap: add bitmap_print_bitmask/list_to_buf test cases
  cpumask: introduce cpumap_print_list/bitmask_to_buf to support large bitmask and list
  sysfs: Rename struct bin_attribute member to f_mapping
  sysfs: Invoke iomem_get_mapping() from the sysfs open callback
  debugfs: Return error during {full/open}_proxy_open() on rmmod
  zorro: Drop useless (and hardly used) .driver member in struct zorro_dev
  zorro: Simplify remove callback
  sh: superhyway: Simplify check in remove callback
  nubus: Simplify check in remove callback
  nubus: Make struct nubus_driver::remove return void
  kernfs: dont call d_splice_alias() under kernfs node lock
  kernfs: use i_lock to protect concurrent inode updates
  kernfs: switch kernfs to use an rwsem
  kernfs: use VFS negative dentry caching
  ...
2021-09-01 08:44:42 -07:00
Linus Torvalds
ba1dc7f273 Char / Misc driver changes for 5.15-rc1
Here is the big set of char/misc driver changes for 5.15-rc1.
 
 Lots of different driver subsystems are being updated in here, notably:
 	- mhi subsystem update
 	- fpga subsystem update
 	- coresight/hwtracing subsystem update
 	- interconnect subsystem update
 	- nvmem subsystem update
 	- parport drivers update
 	- phy subsystem update
 	- soundwire subsystem update
 and there are some other char/misc drivers being updated as well:
 	- binder driver additions
 	- new misc drivers
 	- lkdtm driver updates
 	- mei driver updates
 	- sram driver updates
 	- other minor driver updates.
 
 Note, there are no habanna labs driver updates in this pull request,
 that will probably come later before -rc1 is out in a different request.
 
 All of these have been in linux-next for a while with no reported
 problems.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'char-misc-5.15-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc

Pull char / misc driver updates from Greg KH:
 "Here is the big set of char/misc driver changes for 5.15-rc1.

  Lots of different driver subsystems are being updated in here,
  notably:

   - mhi subsystem update

   - fpga subsystem update

   - coresight/hwtracing subsystem update

   - interconnect subsystem update

   - nvmem subsystem update

   - parport drivers update

   - phy subsystem update

   - soundwire subsystem update

  and there are some other char/misc drivers being updated as well:

   - binder driver additions

   - new misc drivers

   - lkdtm driver updates

   - mei driver updates

   - sram driver updates

   - other minor driver updates.

  Note, there are no habanalabs driver updates in this pull request,
  that will probably come later before -rc1 is out in a different
  request.

  All of these have been in linux-next for a while with no reported
  problems"

* tag 'char-misc-5.15-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (169 commits)
  Revert "bus: mhi: Add inbound buffers allocation flag"
  misc/pvpanic: fix set driver data
  VMCI: fix NULL pointer dereference when unmapping queue pair
  char: mware: fix returnvar.cocci warnings
  parport: remove non-zero check on count
  soundwire: cadence: do not extend reset delay
  soundwire: intel: conditionally exit clock stop mode on system suspend
  soundwire: intel: skip suspend/resume/wake when link was not started
  soundwire: intel: fix potential race condition during power down
  phy: qcom-qmp: Add support for SM6115 UFS phy
  dt-bindings: phy: qcom,qmp: Add SM6115 UFS PHY bindings
  phy: qmp: Provide unique clock names for DP clocks
  lkdtm: remove IDE_CORE_CP crashpoint
  lkdtm: replace SCSI_DISPATCH_CMD with SCSI_QUEUE_RQ
  coresight: Replace deprecated CPU-hotplug functions.
  Documentation: coresight: Add documentation for CoreSight config
  coresight: syscfg: Add initial configfs support
  coresight: config: Add preloaded configurations
  coresight: etm4x: Add complex configuration handlers to etmv4
  coresight: etm-perf: Update to activate selected configuration
  ...
2021-09-01 08:35:06 -07:00
Linus Torvalds
9e9fb7655e Core:
- Enable memcg accounting for various networking objects.
 
 BPF:
 
  - Introduce bpf timers.
 
  - Add perf link and opaque bpf_cookie which the program can read
    out again, to be used in libbpf-based USDT library.
 
  - Add bpf_task_pt_regs() helper to access user space pt_regs
    in kprobes, to help user space stack unwinding.
 
  - Add support for UNIX sockets for BPF sockmap.
 
  - Extend BPF iterator support for UNIX domain sockets.
 
  - Allow BPF TCP congestion control progs and bpf iterators to call
    bpf_setsockopt(), e.g. to switch to another congestion control
    algorithm.
 
 Protocols:
 
  - Support IOAM Pre-allocated Trace with IPv6.
 
  - Support Management Component Transport Protocol.
 
  - bridge: multicast: add vlan support.
 
  - netfilter: add hooks for the SRv6 lightweight tunnel driver.
 
  - tcp:
     - enable mid-stream window clamping (by user space or BPF)
     - allow data-less, empty-cookie SYN with TFO_SERVER_COOKIE_NOT_REQD
     - more accurate DSACK processing for RACK-TLP
 
  - mptcp:
     - add full mesh path manager option
     - add partial support for MP_FAIL
     - improve use of backup subflows
     - optimize option processing
 
  - af_unix: add OOB notification support.
 
  - ipv6: add IFLA_INET6_RA_MTU to expose MTU value advertised by
          the router.
 
  - mac80211: Target Wake Time support in AP mode.
 
  - can: j1939: extend UAPI to notify about RX status.
 
 Driver APIs:
 
  - Add page frag support in page pool API.
 
  - Many improvements to the DSA (distributed switch) APIs.
 
  - ethtool: extend IRQ coalesce uAPI with timer reset modes.
 
  - devlink: control which auxiliary devices are created.
 
  - Support CAN PHYs via the generic PHY subsystem.
 
  - Proper cross-chip support for tag_8021q.
 
  - Allow TX forwarding for the software bridge data path to be
    offloaded to capable devices.
 
 Drivers:
 
  - veth: more flexible channels number configuration.
 
  - openvswitch: introduce per-cpu upcall dispatch.
 
  - Add internet mix (IMIX) mode to pktgen.
 
  - Transparently handle XDP operations in the bonding driver.
 
  - Add LiteETH network driver.
 
  - Renesas (ravb):
    - support Gigabit Ethernet IP
 
  - NXP Ethernet switch (sja1105)
    - fast aging support
    - support for "H" switch topologies
    - traffic termination for ports under VLAN-aware bridge
 
  - Intel 1G Ethernet
     - support getcrosststamp() with PCIe PTM (Precision Time
       Measurement) for better time sync
     - support Credit-Based Shaper (CBS) offload, enabling HW traffic
       prioritization and bandwidth reservation
 
  - Broadcom Ethernet (bnxt)
     - support pulse-per-second output
     - support larger Rx rings
 
  - Mellanox Ethernet (mlx5)
     - support ethtool RSS contexts and MQPRIO channel mode
     - support LAG offload with bridging
     - support devlink rate limit API
     - support packet sampling on tunnels
 
  - Huawei Ethernet (hns3):
     - basic devlink support
     - add extended IRQ coalescing support
     - report extended link state
 
  - Netronome Ethernet (nfp):
     - add conntrack offload support
 
  - Broadcom WiFi (brcmfmac):
     - add WPA3 Personal with FT to supported cipher suites
     - support 43752 SDIO device
 
  - Intel WiFi (iwlwifi):
     - support scanning hidden 6GHz networks
     - support for a new hardware family (Bz)
 
  - Xen pv driver:
     - harden netfront against malicious backends
 
  - Qualcomm mobile
     - ipa: refactor power management and enable automatic suspend
     - mhi: move MBIM to WWAN subsystem interfaces
 
 Refactor:
 
  - Ambient BPF run context and cgroup storage cleanup.
 
  - Compat rework for ndo_ioctl.
 
 Old code removal:
 
  - prism54 remove the obsoleted driver, deprecated by the p54 driver.
 
  - wan: remove sbni/granch driver.
 
 Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Merge tag 'net-next-5.15' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next

Pull networking updates from Jakub Kicinski:
 "Core:

   - Enable memcg accounting for various networking objects.

  BPF:

   - Introduce bpf timers.

   - Add perf link and opaque bpf_cookie which the program can read out
     again, to be used in libbpf-based USDT library.

   - Add bpf_task_pt_regs() helper to access user space pt_regs in
     kprobes, to help user space stack unwinding.

   - Add support for UNIX sockets for BPF sockmap.

   - Extend BPF iterator support for UNIX domain sockets.

   - Allow BPF TCP congestion control progs and bpf iterators to call
     bpf_setsockopt(), e.g. to switch to another congestion control
     algorithm.

  Protocols:

   - Support IOAM Pre-allocated Trace with IPv6.

   - Support Management Component Transport Protocol.

   - bridge: multicast: add vlan support.

   - netfilter: add hooks for the SRv6 lightweight tunnel driver.

   - tcp:
       - enable mid-stream window clamping (by user space or BPF)
       - allow data-less, empty-cookie SYN with TFO_SERVER_COOKIE_NOT_REQD
       - more accurate DSACK processing for RACK-TLP

   - mptcp:
       - add full mesh path manager option
       - add partial support for MP_FAIL
       - improve use of backup subflows
       - optimize option processing

   - af_unix: add OOB notification support.

   - ipv6: add IFLA_INET6_RA_MTU to expose MTU value advertised by the
     router.

   - mac80211: Target Wake Time support in AP mode.

   - can: j1939: extend UAPI to notify about RX status.

  Driver APIs:

   - Add page frag support in page pool API.

   - Many improvements to the DSA (distributed switch) APIs.

   - ethtool: extend IRQ coalesce uAPI with timer reset modes.

   - devlink: control which auxiliary devices are created.

   - Support CAN PHYs via the generic PHY subsystem.

   - Proper cross-chip support for tag_8021q.

   - Allow TX forwarding for the software bridge data path to be
     offloaded to capable devices.

  Drivers:

   - veth: more flexible channels number configuration.

   - openvswitch: introduce per-cpu upcall dispatch.

   - Add internet mix (IMIX) mode to pktgen.

   - Transparently handle XDP operations in the bonding driver.

   - Add LiteETH network driver.

   - Renesas (ravb):
       - support Gigabit Ethernet IP

   - NXP Ethernet switch (sja1105):
       - fast aging support
       - support for "H" switch topologies
       - traffic termination for ports under VLAN-aware bridge

   - Intel 1G Ethernet
       - support getcrosststamp() with PCIe PTM (Precision Time
         Measurement) for better time sync
       - support Credit-Based Shaper (CBS) offload, enabling HW traffic
         prioritization and bandwidth reservation

   - Broadcom Ethernet (bnxt)
       - support pulse-per-second output
       - support larger Rx rings

   - Mellanox Ethernet (mlx5)
       - support ethtool RSS contexts and MQPRIO channel mode
       - support LAG offload with bridging
       - support devlink rate limit API
       - support packet sampling on tunnels

   - Huawei Ethernet (hns3):
       - basic devlink support
       - add extended IRQ coalescing support
       - report extended link state

   - Netronome Ethernet (nfp):
       - add conntrack offload support

   - Broadcom WiFi (brcmfmac):
       - add WPA3 Personal with FT to supported cipher suites
       - support 43752 SDIO device

   - Intel WiFi (iwlwifi):
       - support scanning hidden 6GHz networks
       - support for a new hardware family (Bz)

   - Xen pv driver:
       - harden netfront against malicious backends

   - Qualcomm mobile
       - ipa: refactor power management and enable automatic suspend
       - mhi: move MBIM to WWAN subsystem interfaces

  Refactor:

   - Ambient BPF run context and cgroup storage cleanup.

   - Compat rework for ndo_ioctl.

  Old code removal:

   - prism54 remove the obsoleted driver, deprecated by the p54 driver.

   - wan: remove sbni/granch driver"

* tag 'net-next-5.15' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next: (1715 commits)
  net: Add depends on OF_NET for LiteX's LiteETH
  ipv6: seg6: remove duplicated include
  net: hns3: remove unnecessary spaces
  net: hns3: add some required spaces
  net: hns3: clean up a type mismatch warning
  net: hns3: refine function hns3_set_default_feature()
  ipv6: remove duplicated 'net/lwtunnel.h' include
  net: w5100: check return value after calling platform_get_resource()
  net/mlxbf_gige: Make use of devm_platform_ioremap_resourcexxx()
  net: mdio: mscc-miim: Make use of the helper function devm_platform_ioremap_resource()
  net: mdio-ipq4019: Make use of devm_platform_ioremap_resource()
  fou: remove sparse errors
  ipv4: fix endianness issue in inet_rtm_getroute_build_skb()
  octeontx2-af: Set proper errorcode for IPv4 checksum errors
  octeontx2-af: Fix static code analyzer reported issues
  octeontx2-af: Fix mailbox errors in nix_rss_flowkey_cfg
  octeontx2-af: Fix loop in free and unmap counter
  af_unix: fix potential NULL deref in unix_dgram_connect()
  dpaa2-eth: Replace strlcpy with strscpy
  octeontx2-af: Use NDC TX for transmit packet data
  ...
2021-08-31 16:43:06 -07:00
Linus Torvalds
86ac54e79f Merge branch 'for-5.15' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/wq
Pull workqueue updates from Tejun Heo:
 "There is a long-standing subtle destroy_workqueue() bug where a
  workqueue can be destroyed while internal work items used for flushing
  are still in flight. Lai fixed it by assigning a flush color to the
  internal work items so that they are correctly waited for during
  destruction.

  Other than that, all are minor cleanups"

* 'for-5.15' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/wq:
  workqueue: Remove unused WORK_NO_COLOR
  workqueue: Assign a color to barrier work items
  workqueue: Mark barrier work with WORK_STRUCT_INACTIVE
  workqueue: Change the code of calculating work_flags in insert_wq_barrier()
  workqueue: Change arguement of pwq_dec_nr_in_flight()
  workqueue: Rename "delayed" (delayed by active management) to "inactive"
  workqueue: Replace deprecated CPU-hotplug functions.
  workqueue: Replace deprecated ida_simple_*() with ida_alloc()/ida_free()
  workqueue: Fix typo in comments
  workqueue: Fix possible memory leaks in wq_numa_init()
2021-08-31 15:53:20 -07:00
Linus Torvalds
69dc8010b8 Merge branch 'for-5.15' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup
Pull cgroup updates from Tejun Heo:
 "Two cpuset behavior changes:

   - cpuset on cgroup2 is changed to enable memory migration based on
     nodemask by default.

   - A notification is generated when cpuset partition state changes.

  All other patches are minor fixes and cleanups"

* 'for-5.15' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup:
  cgroup: Avoid compiler warnings with no subsystems
  cgroup/cpuset: Avoid memory migration when nodemasks match
  cgroup/cpuset: Enable memory migration for cpuset v2
  cgroup/cpuset: Enable event notification when partition state changes
  cgroup: cgroup-v1: clean up kernel-doc notation
  cgroup: Replace deprecated CPU-hotplug functions.
  cgroup/cpuset: Fix violation of cpuset locking rule
  cgroup/cpuset: Fix a partition bug with hotplug
  cgroup/cpuset: Miscellaneous code cleanup
  cgroup: remove cgroup_mount from comments
2021-08-31 15:49:04 -07:00
Linus Torvalds
81b0b29bf7 Merge branch 'stable/for-linus-5.15' of git://git.kernel.org/pub/scm/linux/kernel/git/konrad/ibft
Pull ibft updates from Konrad Rzeszutek Wilk:
 "A fix for iBFT parsing code badly interfacing when KASLR is enabled"

* 'stable/for-linus-5.15' of git://git.kernel.org/pub/scm/linux/kernel/git/konrad/ibft:
  iscsi_ibft: fix warning in reserve_ibft_region()
  iscsi_ibft: fix crash due to KASLR physical memory remapping
2021-08-31 15:28:21 -07:00
Linus Torvalds
efa916af13 - Add DM infrastructure for IMA-based remote attestion. These changes
are the basis for deploying DM-based storage in a "cloud" that must
   validate configurations end-users run to maintain trust. These DM
   changes allow supported DM targets' configurations to be measured
   via IMA. But the policy and enforcement (of which configurations are
   valid) is managed by something outside the kernel (e.g. Keylime).
 
 - Fix DM crypt scalability regression on systems with many cpus due to
   percpu_counter spinlock contention in crypt_page_alloc().
 
 - Use in_hardirq() instead of deprecated in_irq() in DM crypt.
 
 - Add event counters to DM writecache to allow users to further assess
   how the writecache is performing.
 
 - Various code cleanup in DM writecache's main IO mapping function.
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Merge tag 'for-5.15/dm-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm

Pull device mapper updates from Mike Snitzer:

 - Add DM infrastructure for IMA-based remote attestion. These changes
   are the basis for deploying DM-based storage in a "cloud" that must
   validate configurations end-users run to maintain trust. These DM
   changes allow supported DM targets' configurations to be measured via
   IMA. But the policy and enforcement (of which configurations are
   valid) is managed by something outside the kernel (e.g. Keylime).

 - Fix DM crypt scalability regression on systems with many cpus due to
   percpu_counter spinlock contention in crypt_page_alloc().

 - Use in_hardirq() instead of deprecated in_irq() in DM crypt.

 - Add event counters to DM writecache to allow users to further assess
   how the writecache is performing.

 - Various code cleanup in DM writecache's main IO mapping function.

* tag 'for-5.15/dm-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm:
  dm crypt: use in_hardirq() instead of deprecated in_irq()
  dm ima: update dm documentation for ima measurement support
  dm ima: update dm target attributes for ima measurements
  dm ima: add a warning in dm_init if duplicate ima events are not measured
  dm ima: prefix ima event name related to device mapper with dm_
  dm ima: add version info to dm related events in ima log
  dm ima: prefix dm table hashes in ima log with hash algorithm
  dm crypt: Avoid percpu_counter spinlock contention in crypt_page_alloc()
  dm: add documentation for IMA measurement support
  dm: update target status functions to support IMA measurement
  dm ima: measure data on device rename
  dm ima: measure data on table clear
  dm ima: measure data on device remove
  dm ima: measure data on device resume
  dm ima: measure data on table load
  dm writecache: add event counters
  dm writecache: report invalid return from writecache_map helpers
  dm writecache: further writecache_map() cleanup
  dm writecache: factor out writecache_map_remap_origin()
  dm writecache: split up writecache_map() to improve code readability
2021-08-31 14:55:09 -07:00
Linus Torvalds
a998a62be9 LED updates for 5.15-rc1. Usual driver changes, piece of documentation
that should hopefully get LED names standartized, and many fixes.
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Merge tag 'leds-5.15-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/pavel/linux-leds

Pull LED updates from Pavel Machek:
 "Usual driver changes, some documentation that should hopefully get LED
  names standartized, and many fixes"

* tag 'leds-5.15-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/pavel/linux-leds: (32 commits)
  leds: pca955x: Switch to i2c probe_new
  leds: pca955x: Let the core process the fwnode
  leds: pca955x: Implement the default-state property
  leds: pca955x: Add brightness_get function
  leds: pca955x: Clean up code formatting
  leds: leds-core: Implement the retain-state-shutdown property
  dt-bindings: leds: Add retain-state-shutdown boolean
  Documentation: leds: standartizing LED names
  leds: trigger: remove reference to obsolete CONFIG_IDE_GD_ATA
  leds: lp50xx: Fix chip name in KConfig
  leds: pwm: add support for default-state device property
  leds: move default_state read from fwnode to core
  leds: flash: Remove redundant initialization of variable ret
  leds: lgm-sso: Propagate error codes from callee to caller
  leds: trigger: audio: Add an activate callback to ensure the initial brightness is set
  leds: rt8515: Put fwnode in any case during ->probe()
  leds: lt3593: Put fwnode in any case during ->probe()
  leds: lm3697: Make error handling more robust
  leds: lm3697: Update header block to reflect reality
  leds: lm3692x: Correct headers (of*.h -> mod_devicetable.h)
  ...
2021-08-31 14:41:41 -07:00
Linus Torvalds
e7c1bbcf0c hwmon updates for v5.15
New drivers for:
 - Aquacomputer D5 Next
 - SB-RMI power module
 
 Added chip support t oexisting drivers:
 - Support for various Zen2 and Zen3 APUs and for Yellow Carp
   (SMU v13) added to k10temp driver
 - Support for Silicom n5010 PAC added to intel-m10-bmc driver
 - Support for BPD-RS600 added to pmbus/bpa-rs600 driver
 
 Other notable changes:
 - In k10temp, do not display Tdie on Zen CPUs if there is no
   difference between Tdie and Tctl
 - Converted adt7470 and dell-smm drivers to use
   devm_hwmon_device_register_with_info API
 - Support for temperature/pwm tables added to axi-fan-control
   driver
 - Enabled fan control for Dell Precision 7510 in dell-smm driver
 
 Various other minor improvements and fixes in several drivers.
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Merge tag 'hwmon-for-v5.15' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging

Pull hwmon updates from Guenter Roeck:
 "New drivers for:

   - Aquacomputer D5 Next

   - SB-RMI power module

  Added chip support to existing drivers:

   - Support for various Zen2 and Zen3 APUs and for Yellow Carp (SMU
     v13) added to k10temp driver

   - Support for Silicom n5010 PAC added to intel-m10-bmc driver

   - Support for BPD-RS600 added to pmbus/bpa-rs600 driver

  Other notable changes:

   - In k10temp, do not display Tdie on Zen CPUs if there is no
     difference between Tdie and Tctl

   - Converted adt7470 and dell-smm drivers to use
     devm_hwmon_device_register_with_info API

   - Support for temperature/pwm tables added to axi-fan-control driver

   - Enabled fan control for Dell Precision 7510 in dell-smm driver

  Various other minor improvements and fixes in several drivers"

* tag 'hwmon-for-v5.15' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging: (41 commits)
  hwmon: add driver for Aquacomputer D5 Next
  hwmon: (adt7470) Convert to devm_hwmon_device_register_with_info API
  hwmon: (adt7470) Convert to use regmap
  hwmon: (adt7470) Fix some style issues
  hwmon: (k10temp) Add support for yellow carp
  hwmon: (k10temp) Rework the temperature offset calculation
  hwmon: (k10temp) Don't show Tdie for all Zen/Zen2/Zen3 CPU/APU
  hwmon: (k10temp) Add additional missing Zen2 and Zen3 APUs
  hwmon: remove amd_energy driver in Makefile
  hwmon: (dell-smm) Rework SMM function debugging
  hwmon: (dell-smm) Mark i8k_get_fan_nominal_speed as __init
  hwmon: (dell-smm) Mark tables as __initconst
  hwmon: (pmbus/bpa-rs600) Add workaround for incorrect Pin max
  hwmon: (pmbus/bpa-rs600) Don't use rated limits as warn limits
  hwmon: (axi-fan-control) Support temperature vs pwm points
  hwmon: (axi-fan-control) Handle irqs in natural order
  hwmon: (axi-fan-control) Make sure the clock is enabled
  hwmon: (pmbus/ibm-cffps) Fix write bits for LED control
  hwmon: (w83781d) Match on device tree compatibles
  dt-bindings: hwmon: Add bindings for Winbond W83781D
  ...
2021-08-31 14:37:41 -07:00
Linus Torvalds
871dda463c Merge branch 'i2c/for-mergewindow' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux
Pull i2c updates from Wolfram Sang:
 "I2C has a smaller pull reuest this time:

   - new driver for I2C virtio

   - removal of PMC SMP driver because platform is already gone

   - IRQ probing and DMAENGINE API cleanups

   - add SI metric prefix definitions to units.h

   - beginning of i801 refactorization

   - a few driver improvements"

* 'i2c/for-mergewindow' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux: (28 commits)
  i2c: cadence: Implement save restore
  i2c: xlp9xx: fix main IRQ check
  i2c: mt65xx: fix IRQ check
  i2c: virtio: add a virtio i2c frontend driver
  i2c: hix5hd2: fix IRQ check
  i2c: s3c2410: fix IRQ check
  i2c: iop3xx: fix deferred probing
  i2c: synquacer: fix deferred probing
  i2c: sun6i-pw2i: Prefer strscpy over strlcpy
  i2c: remove dead PMC MSP TWI/SMBus/I2C driver
  i2c: dev: Use sysfs_emit() in "show" functions
  i2c: dev: Define pr_fmt() and drop duplication substrings
  i2c: designware: Fix indentation in the header
  i2c: designware: Use DIV_ROUND_CLOSEST() macro
  units: Add SI metric prefix definitions
  i2c: at91: mark PM ops as __maybe unused
  i2c: sh_mobile: : use proper DMAENGINE API for termination
  i2c: qup: : use proper DMAENGINE API for termination
  i2c: mxs: : use proper DMAENGINE API for termination
  i2c: imx: : use proper DMAENGINE API for termination
  ...
2021-08-31 14:34:01 -07:00
Linus Torvalds
359f3d743f MMC core:
- Return a proper response in case of an ioctl error
  - Issue HPI to interrupt BKOPS for eMMC if it timed out
  - Avoid hogging the CPU while polling for busy
  - Extend sd8787 pwrseq to support the wilc1000 SDIO
  - Remove a couple of confusing warning messages
  - Clarify comment for ->card_busy() host ops
 
 MMC host:
  - dw_mmc: Add data CRC error injection
  - mmci: De-assert reset during ->probe()
  - rtsx_pci: Fix long reads when clock is pre-scaled
  - sdhci: Correct the tuning command handle for PIO mode
  - sdhci-esdhc-imx: Improve support for auto tuning
  - sdhci-msm: Add support for the sc7280
  - sdhci-of-arasan: Don't auto tune for DDR50 mode for ZynqMP
  - sdhci-of-arasan: Enable support for auto cmd12
  - sdhci-of-arasan: Use 19MHz for SD default speed for ZynqMP for level shifter
  - usdhi6rol0: Implement the ->card_busy() host ops
 
 MEMSTICK:
  - A couple of minor cleanups.
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Merge tag 'mmc-v5.15' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc

Pull MMC and MEMSTICK updates from Ulf Hansson:
 "MMC core:
   - Return a proper response in case of an ioctl error
   - Issue HPI to interrupt BKOPS for eMMC if it timed out
   - Avoid hogging the CPU while polling for busy
   - Extend sd8787 pwrseq to support the wilc1000 SDIO
   - Remove a couple of confusing warning messages
   - Clarify comment for ->card_busy() host ops

  MMC host:
   - dw_mmc: Add data CRC error injection
   - mmci: De-assert reset during ->probe()
   - rtsx_pci: Fix long reads when clock is pre-scaled
   - sdhci: Correct the tuning command handle for PIO mode
   - sdhci-esdhc-imx: Improve support for auto tuning
   - sdhci-msm: Add support for the sc7280
   - sdhci-of-arasan: Don't auto tune for DDR50 mode for ZynqMP
   - sdhci-of-arasan: Enable support for auto cmd12
   - sdhci-of-arasan: Use 19MHz for SD default speed for ZynqMP for level shifter
   - usdhi6rol0: Implement the ->card_busy() host ops

  MEMSTICK:
   - A couple of minor cleanups"

* tag 'mmc-v5.15' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc: (52 commits)
  mmc: queue: Remove unused parameters(request_queue)
  mmc: pwrseq: sd8787: fix compilation warning
  mmc: core: Return correct emmc response in case of ioctl error
  mmc: sdhci-esdhc-imx: Select the correct mode for auto tuning
  mmc: sdhci-esdhc-imx: Remove redundant code for manual tuning
  mmc: core: Issue HPI in case the BKOPS timed out
  mmc: queue: Match the data type of max_segments
  mmc: switch from 'pci_' to 'dma_' API
  memstick: switch from 'pci_' to 'dma_' API
  memstick: r592: Change the name of the 'pci_driver' structure to be consistent
  mmc: pwrseq: add wilc1000_sdio dependency for pwrseq_sd8787
  mmc: pwrseq: sd8787: add support for wilc1000
  dt-bindings: mmc: Extend pwrseq-sd8787 binding for wilc1000
  dt-bindings: mmc: fsl-imx-esdhc: change the pinctrl-names rule
  dt-bindings: mmc: fsl-imx-esdhc: add a new compatible string
  dt-bindings: mmc: renesas,sdhi: Document RZ/G2L bindings
  dt-bindings: mmc: renesas,sdhi: Fix dtbs-check warning
  mmc: core: Update ->card_busy() callback comment
  mmc: usdhi6rol0: Implement card_busy function
  mmc: sdhci: Correct the tuning command handle for PIO mode
  ...
2021-08-31 14:31:10 -07:00