Commit Graph

112844 Commits

Author SHA1 Message Date
Peter Hutterer
c53431eb69 HID: core: store the collections as a basic tree
For each collection parsed, store a pointer to the parent collection
(if any). This makes it a lot easier to look up which collection(s)
any given item is part of

Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
Verified-by: Harry Cutts <hcutts@chromium.org>
Signed-off-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
2018-12-07 16:27:12 +01:00
Peter Hutterer
52ea899637 Input: add REL_WHEEL_HI_RES and REL_HWHEEL_HI_RES
This event code represents scroll reports from high-resolution wheels and
is modelled after the approach Windows uses. The value 120 is one detent
(wheel click) of movement. Mice with higher-resolution scrolling can send
fractions of 120 which must be accumulated in userspace. Userspace can either
wait for a full 120 to accumulate or scroll by fractions of one logical scroll
movement as the events come in. 120 was picked as magic number because it has
a high number of integer fractions that can be used by high-resolution wheels.

For more information see
https://docs.microsoft.com/en-us/previous-versions/windows/hardware/design/dn613912(v=vs.85)

These new axes obsolete REL_WHEEL and REL_HWHEEL. The legacy axes are emulated
by the kernel but the most accurate (and most granular) data is available
through the new axes.

Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
Acked-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Verified-by: Harry Cutts <hcutts@chromium.org>
Signed-off-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
2018-12-07 16:27:11 +01:00
Peter Hutterer
c201e3808e Input: restore EV_ABS ABS_RESERVED
ABS_RESERVED was added in d9ca1c990a and accidentally removed as part of
ffe0e7cf29 when the high-resolution scrolling code was removed.

Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
Reviewed-by: Martin Kepplinger <martin.kepplinger@ginzinger.com>
Acked-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Acked-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Signed-off-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
2018-12-07 15:13:40 +01:00
Luca Ceresoli
d138091ffc media: v4l2-subdev: document controls need _FL_HAS_DEVNODE
Control events can be subscribed and received by the user. Therefore
drivers that support controls must expose the
V4L2_SUBDEV_FL_HAS_EVENTS flag.

[As discussed in https://lkml.org/lkml/2018/11/27/637]

Reported-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Luca Ceresoli <luca@lucaceresoli.net>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
2018-12-07 08:31:18 -05:00
Will Deacon
08861d33d6 preempt: Move PREEMPT_NEED_RESCHED definition into arch code
PREEMPT_NEED_RESCHED is never used directly, so move it into the arch
code where it can potentially be implemented using either a different
bit in the preempt count or as an entirely separate entity.

Cc: Robert Love <rml@tech9.net>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Martin Schwidefsky <schwidefsky@de.ibm.com>
Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Signed-off-by: Will Deacon <will.deacon@arm.com>
2018-12-07 12:35:46 +00:00
Greg Kroah-Hartman
1528e40fd7 Revert "sysctl: clean up nr_pdflush_threads leftover"
This reverts commit 77cab92a2c.

Heiko reports that this breaks building of strace, which isn't ok.

Reported-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Cc: Rafael Aquini <aquini@redhat.com>
Cc: William Kucharski <william.kucharski@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-12-07 12:56:04 +01:00
NeilBrown
cb03f94ffb fs/locks: merge posix_unblock_lock() and locks_delete_block()
posix_unblock_lock() is not specific to posix locks, and behaves
nearly identically to locks_delete_block() - the former returning a
status while the later doesn't.

So discard posix_unblock_lock() and use locks_delete_block() instead,
after giving that function an appropriate return value.

Signed-off-by: NeilBrown <neilb@suse.com>
Reviewed-by: J. Bruce Fields <bfields@redhat.com>
Signed-off-by: Jeff Layton <jlayton@kernel.org>
2018-12-07 06:50:56 -05:00
Christian König
b312d8ca3a dma-buf: make fence sequence numbers 64 bit v2
For a lot of use cases we need 64bit sequence numbers. Currently drivers
overload the dma_fence structure to store the additional bits.

Stop doing that and make the sequence number in the dma_fence always
64bit.

For compatibility with hardware which can do only 32bit sequences the
comparisons in __dma_fence_is_later only takes the lower 32bits as significant
when the upper 32bits are all zero.

v2: change the logic in __dma_fence_is_later

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Chunming Zhou <david1.zhou@amd.com>
Link: https://patchwork.freedesktop.org/patch/266927/
2018-12-07 12:44:16 +01:00
Takashi Iwai
2bff7e97eb Merge branch 'for-linus' into for-next
Back-merge for applying the more HD-audio quirks on top of the latest
code.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
2018-12-07 11:40:04 +01:00
Thierry Reding
25fbc9e8d3 dt-bindings: tegra186-gpio: Add Tegra186 specific prefix
Subsequent generations of Tegra, such as Tegra194, contain a completely
different set of GPIOs. In order to clarify that the Tegra186 defines
are indeed specific to Tegra186, change the prefix from TEGRA_ to
TEGRA186_.

Note that for now we need to keep the old definitions in place to avoid
breaking compilation in file that use this header. Once all users have
been converted to use the new defines, the old ones can be removed.

Also note that this is only a naming change and doesn't affect device
tree ABI.

Signed-off-by: Thierry Reding <treding@nvidia.com>
Acked-by: Jon Hunter <jonathanh@nvidia.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2018-12-07 11:07:12 +01:00
Chuanhong Guo
c93c613214 mtd: spinand: add support for GigaDevice GD5FxGQ4xA
Add support for GigaDevice GD5F1G/2G/4GQ4xA SPI NAND.

Signed-off-by: Chuanhong Guo <gch981213@gmail.com>
Reviewed-by: Frieder Schrempf <frieder.schrempf@kontron.de>
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
2018-12-07 10:59:23 +01:00
Boris Brezillon
7b6a9b28ec mtd: rawnand: Deprecate the dummy_controller field
We try to force NAND controller drivers to properly separate the NAND
controller object from the NAND chip one, so let's deprecate the dummy
controller object embedded in nand_chip to encourage them to create
their own instance.

Signed-off-by: Boris Brezillon <boris.brezillon@bootlin.com>
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
2018-12-07 10:58:11 +01:00
Boris Brezillon
7a08dbaedd mtd: rawnand: Move ->setup_data_interface() to nand_controller_ops
->setup_data_interface() is a controller specific method and should
thus be placed in nand_controller_ops.

In order to make that work with controllers that support keeping
pre-configured timings we need to add a new NAND_KEEP_TIMINGS flag to
inform the core it should skip the timings selection step.

Signed-off-by: Boris Brezillon <boris.brezillon@bootlin.com>
Tested-by: Janusz Krzysztofik <jmkrzyszt@gmail.com>
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
2018-12-07 10:38:27 +01:00
Boris Brezillon
f2abfeb207 mtd: rawnand: Move the ->exec_op() method to nand_controller_ops
->exec_op() is a controller method and has nothing to do in the
nand_chip struct. Let's move it to the nand_controller_ops struct and
adjust the core and drivers accordingly.

Signed-off-by: Boris Brezillon <boris.brezillon@bootlin.com>
Tested-by: Janusz Krzysztofik <jmkrzyszt@gmail.com>
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
2018-12-07 10:38:27 +01:00
Boris Brezillon
7d6c37e90c mtd: rawnand: Deprecate the ->select_chip() hook
Now that the CS line to be selected is passed to ->exec_op() and
stored in chip->cur_cs and after patching all drivers implementing
->exec_op() to stop implementing this method, we can deprecate it by
moving it to the nand_legacy structure.

Signed-off-by: Boris Brezillon <boris.brezillon@bootlin.com>
Tested-by: Janusz Krzysztofik <jmkrzyszt@gmail.com>
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
2018-12-07 10:38:27 +01:00
Boris Brezillon
ae2294b10b mtd: rawnand: Pass the CS line to be selected in struct nand_operation
In order to deprecate the ->select_chip hook we need to pass the CS
line a NAND operations are targeting. This is done through the
addition of a cs field to the nand_operation struct.

We also need to keep track of the currently selected target to
properly initialize op->cs, hence the ->cur_cs field addition to the
nand_chip struct.

Note that op->cs is not assigned in nand_exec_op() because we might
rework the way we execute NAND operations in the future (adopt a
queuing mechanism instead of the serialization we have right now).

Signed-off-by: Boris Brezillon <boris.brezillon@bootlin.com>
Tested-by: Janusz Krzysztofik <jmkrzyszt@gmail.com>
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
2018-12-07 10:38:25 +01:00
Boris Brezillon
1d0178593d mtd: rawnand: Add nand_[de]select_target() helpers
Add a wrapper to prevent drivers and core code from directly calling
the ->select_chip hook which we are about to deprecate.

Signed-off-by: Boris Brezillon <boris.brezillon@bootlin.com>
Tested-by: Janusz Krzysztofik <jmkrzyszt@gmail.com>
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
2018-12-07 10:38:25 +01:00
Boris Brezillon
336058c8f4 mtd: rawnand: Remove unused NAND_CONTROLLER_ALLOC flag
Looks like NAND_CONTROLLER_ALLOC has been introduced a long time ago
back when the dummy nand_hw_ctrl object was dynamically allocated
instead of being embedded in nand_chip.

We can safely get rid of this unused flag.

Signed-off-by: Boris Brezillon <boris.brezillon@bootlin.com>
Tested-by: Janusz Krzysztofik <jmkrzyszt@gmail.com>
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
2018-12-07 10:38:24 +01:00
Boris Brezillon
1f2d29e634 mtd: rawnand: Move nand_exec_op() to internal.h
nand_exec_op() is only used by core code (nand_xxx.c files). Let's
move this inline function in drivers/mtd/nand/raw/internals.h.

Signed-off-by: Boris Brezillon <boris.brezillon@bootlin.com>
Tested-by: Janusz Krzysztofik <jmkrzyszt@gmail.com>
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
2018-12-07 10:38:24 +01:00
Schrempf Frieder
10949af168 mtd: spinand: Add initial support for Toshiba TC58CVG2S0H
Add minimal support for the Toshiba TC58CVG2S0H SPI NAND chip.

Signed-off-by: Frieder Schrempf <frieder.schrempf@kontron.de>
Acked-by: Clément Péron <peron.clem@gmail.com>
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
2018-12-07 10:38:23 +01:00
Corentin Labbe
1f6669b971 crypto: user - Add crypto_stats_init
This patch add the crypto_stats_init() function.
This will permit to remove some ifdef from __crypto_register_alg().

Signed-off-by: Corentin Labbe <clabbe@baylibre.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2018-12-07 14:15:00 +08:00
Corentin Labbe
44f13133cb crypto: user - rename err_cnt parameter
Since now all crypto stats are on their own structures, it is now
useless to have the algorithm name in the err_cnt member.

Signed-off-by: Corentin Labbe <clabbe@baylibre.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2018-12-07 14:15:00 +08:00
Corentin Labbe
17c18f9e33 crypto: user - Split stats in multiple structures
Like for userspace, this patch splits stats into multiple structures,
one for each algorithm class.
Signed-off-by: Corentin Labbe <clabbe@baylibre.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2018-12-07 14:15:00 +08:00
Corentin Labbe
f7d76e05d0 crypto: user - fix use_after_free of struct xxx_request
All crypto_stats functions use the struct xxx_request for feeding stats,
but in some case this structure could already be freed.

For fixing this, the needed parameters (len and alg) will be stored
before the request being executed.
Fixes: cac5818c25 ("crypto: user - Implement a generic crypto statistics")
Reported-by: syzbot <syzbot+6939a606a5305e9e9799@syzkaller.appspotmail.com>

Signed-off-by: Corentin Labbe <clabbe@baylibre.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2018-12-07 14:15:00 +08:00
Corentin Labbe
7f0a9d5c9d crypto: user - split user space crypto stat structures
It is cleaner to have each stat in their own structures.

Signed-off-by: Corentin Labbe <clabbe@baylibre.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2018-12-07 14:15:00 +08:00
Corentin Labbe
6e8e72cd20 crypto: user - convert all stats from u32 to u64
All the 32-bit fields need to be 64-bit.  In some cases, UINT32_MAX crypto
operations can be done in seconds.

Reported-by: Eric Biggers <ebiggers@kernel.org>
Signed-off-by: Corentin Labbe <clabbe@baylibre.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2018-12-07 14:15:00 +08:00
Corentin Labbe
2ced26078f crypto: user - made crypto_user_stat optional
Even if CRYPTO_STATS is set to n, some part of CRYPTO_STATS are
compiled.
This patch made all part of crypto_user_stat uncompiled in that case.

Signed-off-by: Corentin Labbe <clabbe@baylibre.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2018-12-07 14:15:00 +08:00
Danit Goldberg
3fd3c80acc net/mlx5: Expose packet based credit mode
Packet based credit mode bit determines whether the credit mode
is done per message or packet. Expose the QP creation flag and
the HCA capability.

Signed-off-by: Danit Goldberg <danitg@mellanox.com>
Reviewed-by: Majd Dibbiny <majd@mellanox.com>
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
2018-12-07 08:03:01 +02:00
Leon Romanovsky
c471de14ee RDMA/uverbs: Fix typo in string concatenation macro
Update UVERBS_OBJECT() macro to properly concatenate the object name.

Fixes: e502a864c3 ("IB/core: Introduce DECLARE_UVERBS_GLOBAL_METHODS")
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
2018-12-06 21:11:06 -07:00
Mike Marciniszyn
5190f052a3 IB/hfi1: Allow the driver to initialize QP priv struct
This patch adds an interface to allow the driver to initialize the QP priv
struct when the QP is created and after the qpn has been assigned.  A
field is added to the QP priv struct to reference the rcd and two new
files are added to contain the function to initialize the rcd field so
that more TID RDMA related code can be added here later.

Signed-off-by: Mike Marciniszyn <mike.marciniszyn@intel.com>
Signed-off-by: Kaike Wan <kaike.wan@intel.com>
Signed-off-by: Dennis Dalessandro <dennis.dalessandro@intel.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
2018-12-06 19:59:47 -07:00
Kaike Wan
d2e9ace47a IB/hfi1: Add OPFN and TID RDMA capability bits
The OPFN and TID RDMA capability bits are added to allow users to control
which feature is enabled and disabled.

Reviewed-by: Mike Marciniszyn <mike.marciniszyn@intel.com>
Signed-off-by: Mitko Haralanov <mitko.haralanov@intel.com>
Signed-off-by: Kaike Wan <kaike.wan@intel.com>
Signed-off-by: Dennis Dalessandro <dennis.dalessandro@intel.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
2018-12-06 19:59:46 -07:00
Linus Torvalds
7f80c7325b Merge tag 'nfs-for-4.20-5' of git://git.linux-nfs.org/projects/trondmy/linux-nfs
Pull NFS client bugfixes from Trond Myklebust:
 "This is mainly fallout from the updates to the SUNRPC code that is
  being triggered from less common combinations of NFS mount options.

  Highlights include:

  Stable fixes:
   - Fix a page leak when using RPCSEC_GSS/krb5p to encrypt data.

  Bugfixes:
   - Fix a regression that causes the RPC receive code to hang
   - Fix call_connect_status() so that it handles tasks that got
     transmitted while queued waiting for the socket lock.
   - Fix a memory leak in call_encode()
   - Fix several other connect races.
   - Fix receive code error handling.
   - Use the discard iterator rather than MSG_TRUNC for compatibility
     with AF_UNIX/AF_LOCAL sockets.
   - nfs: don't dirty kernel pages read by direct-io
   - pnfs/Flexfiles fix to enforce per-mirror stateid only for NFSv4
     data servers"

* tag 'nfs-for-4.20-5' of git://git.linux-nfs.org/projects/trondmy/linux-nfs:
  SUNRPC: Don't force a redundant disconnection in xs_read_stream()
  SUNRPC: Fix up socket polling
  SUNRPC: Use the discard iterator rather than MSG_TRUNC
  SUNRPC: Treat EFAULT as a truncated message in xs_read_stream_request()
  SUNRPC: Fix up handling of the XDRBUF_SPARSE_PAGES flag
  SUNRPC: Fix RPC receive hangs
  SUNRPC: Fix a potential race in xprt_connect()
  SUNRPC: Fix a memory leak in call_encode()
  SUNRPC: Fix leak of krb5p encode pages
  SUNRPC: call_connect_status() must handle tasks that got transmitted
  nfs: don't dirty kernel pages read by direct-io
  flexfiles: enforce per-mirror stateid only for v4 DSes
2018-12-06 18:57:04 -08:00
Dave Airlie
e69aa5f9b9 Merge tag 'drm-misc-next-2018-12-06' of git://anongit.freedesktop.org/drm/drm-misc into drm-next
Final changes to drm-misc-next for v4.21:

UAPI Changes:

Core Changes:
- Add dma_fence_get_stub to dma-buf, and use it in drm/syncobj.
- Add and use DRM_MODESET_LOCK_BEGIN/END helpers.
- Small fixes to drm_atomic_helper_resume(), drm_mode_setcrtc() and
  drm_atomic_helper_commit_duplicated_state()
- Fix drm_atomic_state_helper.[c] extraction.

Driver Changes:
- Small fixes to tinydrm, vkms, meson, rcar-du, virtio, vkms,
  v3d, and pl111.
- vc4: Allow scaling and YUV formats on cursor planes.
- v3d: Enable use of the Texture Formatting Unit, and fix
  prime imports of buffers from other drivers.
- Add support for the AUO G101EVN010 panel.
- sun4i: Enable support for the H6 display engine.

Signed-off-by: Dave Airlie <airlied@redhat.com>
[airlied: added drm/v3d: fix broken build to the merge commit]
From: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/321be9d3-ab75-5f92-8193-e5113662edef@linux.intel.com
2018-12-07 11:23:05 +10:00
Petr Machata
6d0403216d net: core: dev: Add extack argument to __dev_change_flags()
In order to pass extack together with NETDEV_PRE_UP notifications, it's
necessary to route the extack to __dev_open() from diverse (possibly
indirect) callers. The last missing API is __dev_change_flags().

Therefore extend __dev_change_flags() with and extra extack argument and
update the two existing users.

Since the function declaration line is changed anyway, name the struct
net_device argument to placate checkpatch.

Signed-off-by: Petr Machata <petrm@mellanox.com>
Acked-by: Jiri Pirko <jiri@mellanox.com>
Reviewed-by: Ido Schimmel <idosch@mellanox.com>
Reviewed-by: David Ahern <dsahern@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2018-12-06 13:26:07 -08:00
Petr Machata
567c5e13be net: core: dev: Add extack argument to dev_change_flags()
In order to pass extack together with NETDEV_PRE_UP notifications, it's
necessary to route the extack to __dev_open() from diverse (possibly
indirect) callers. One prominent API through which the notification is
invoked is dev_change_flags().

Therefore extend dev_change_flags() with and extra extack argument and
update all users. Most of the calls end up just encoding NULL, but
several sites (VLAN, ipvlan, VRF, rtnetlink) do have extack available.

Since the function declaration line is changed anyway, name the other
function arguments to placate checkpatch.

Signed-off-by: Petr Machata <petrm@mellanox.com>
Acked-by: Jiri Pirko <jiri@mellanox.com>
Reviewed-by: Ido Schimmel <idosch@mellanox.com>
Reviewed-by: David Ahern <dsahern@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2018-12-06 13:26:07 -08:00
Petr Machata
00f54e6892 net: core: dev: Add extack argument to dev_open()
In order to pass extack together with NETDEV_PRE_UP notifications, it's
necessary to route the extack to __dev_open() from diverse (possibly
indirect) callers. One prominent API through which the notification is
invoked is dev_open().

Therefore extend dev_open() with and extra extack argument and update
all users. Most of the calls end up just encoding NULL, but bond and
team drivers have the extack readily available.

Signed-off-by: Petr Machata <petrm@mellanox.com>
Acked-by: Jiri Pirko <jiri@mellanox.com>
Reviewed-by: Ido Schimmel <idosch@mellanox.com>
Reviewed-by: David Ahern <dsahern@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2018-12-06 13:26:06 -08:00
Benjamin Young
7cb3026411 PCI: Remove unnecessary space before function pointer arguments
Make spacing more consistent in the code for function pointer declarations
based on checkpatch.pl.

Signed-off-by: Benjamin Young <youngcdev@gmail.com>
[bhelgaas: make similar changes in include/linux/pci.h]
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
2018-12-06 14:39:31 -06:00
Andrew Lunn
a5dd308778 net: dsa: Add overhead to tag protocol ops.
Each DSA tag protocol needs to add additional headers to the Ethernet
frame in order to direct it towards a specific switch egress port. It
must also remove the head from a frame received from a
switch. Indicate the maximum size of these headers in the tag protocol
ops structure, so the core can take these overheads into account.

Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
2018-12-06 12:18:16 -08:00
Linus Torvalds
2acee31cce Merge tag 'sound-4.20-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
Pull sound fixes from Takashi Iwai:
 "Still more incoming fixes than wished at this stage, but all look like
  small and reasonable fixes.

  In addition to the usual HD-audio and USB-audio quirks for various
  devices, two notable changes are included:

   - a fix for USB-audio UAF at probing a malformed descriptor

   - workarounds for PCM rwsem mutex starvation"

* tag 'sound-4.20-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound:
  ALSA: hda/realtek: Fix mic issue on Acer AIO Veriton Z4860G/Z6860G
  ALSA: hda/realtek: Fix mic issue on Acer AIO Veriton Z4660G
  ALSA: hda/realtek - Add support for Acer Aspire C24-860 headset mic
  ALSA: hda/realtek: ALC286 mic and headset-mode fixups for Acer Aspire U27-880
  ALSA: usb-audio: Fix UAF decrement if card has no live interfaces in card.c
  ALSA: hda/realtek - Fix speaker output regression on Thinkpad T570
  ALSA: pcm: Fix interval evaluation with openmin/max
  ALSA: hda: Add support for AMD Stoney Ridge
  ALSA: usb-audio: Add SMSL D1 to quirks for native DSD support
  ALSA: pcm: Fix starvation on down_write_nonblock()
  ALSA: pcm: Call snd_pcm_unlink() conditionally at closing
2018-12-06 09:25:53 -08:00
Greg Kroah-Hartman
3caad34eab Merge tag 'usb-serial-4.20-rc6' of https://git.kernel.org/pub/scm/linux/kernel/git/johan/usb-serial into usb-linus
Johan writes:

USB-serial fix for v4.20-rc6

Here's a fix for a reported USB-console regression in 4.18 which
revealed a long-standing bug in the console implementation.

The patch has been in linux-next over night with no reported issues.

Signed-off-by: Johan Hovold <johan@kernel.org>

* tag 'usb-serial-4.20-rc6' of https://git.kernel.org/pub/scm/linux/kernel/git/johan/usb-serial:
  USB: serial: console: fix reported terminal settings
2018-12-06 18:02:58 +01:00
Deepa Dinamani
7a35397f8c io_pgetevents: use __kernel_timespec
struct timespec is not y2038 safe.
struct __kernel_timespec is the new y2038 safe structure for all
syscalls that are using struct timespec.
Update io_pgetevents interfaces to use struct __kernel_timespec.

sigset_t also has different representations on 32 bit and 64 bit
architectures. Hence, we need to support the following different
syscalls:

New y2038 safe syscalls:
(Controlled by CONFIG_64BIT_TIME for 32 bit ABIs)

Native 64 bit(unchanged) and native 32 bit : sys_io_pgetevents
Compat : compat_sys_io_pgetevents_time64

Older y2038 unsafe syscalls:
(Controlled by CONFIG_32BIT_COMPAT_TIME for 32 bit ABIs)

Native 32 bit : sys_io_pgetevents_time32
Compat : compat_sys_io_pgetevents

Note that io_getevents syscalls do not have a y2038 safe solution.

Signed-off-by: Deepa Dinamani <deepa.kernel@gmail.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2018-12-06 17:23:31 +01:00
Deepa Dinamani
e024707bcc pselect6: use __kernel_timespec
struct timespec is not y2038 safe.
struct __kernel_timespec is the new y2038 safe structure for all
syscalls that are using struct timespec.
Update pselect interfaces to use struct __kernel_timespec.

sigset_t also has different representations on 32 bit and 64 bit
architectures. Hence, we need to support the following different
syscalls:

New y2038 safe syscalls:
(Controlled by CONFIG_64BIT_TIME for 32 bit ABIs)

Native 64 bit(unchanged) and native 32 bit : sys_pselect6
Compat : compat_sys_pselect6_time64

Older y2038 unsafe syscalls:
(Controlled by CONFIG_32BIT_COMPAT_TIME for 32 bit ABIs)

Native 32 bit : pselect6_time32
Compat : compat_sys_pselect6

Note that all other versions of select syscalls will not have
y2038 safe versions.

Signed-off-by: Deepa Dinamani <deepa.kernel@gmail.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2018-12-06 17:23:18 +01:00
Deepa Dinamani
8bd27a3004 ppoll: use __kernel_timespec
struct timespec is not y2038 safe.
struct __kernel_timespec is the new y2038 safe structure for all
syscalls that are using struct timespec.
Update ppoll interfaces to use struct __kernel_timespec.

sigset_t also has different representations on 32 bit and 64 bit
architectures. Hence, we need to support the following different
syscalls:

New y2038 safe syscalls:
(Controlled by CONFIG_64BIT_TIME for 32 bit ABIs)

Native 64 bit(unchanged) and native 32 bit : sys_ppoll
Compat : compat_sys_ppoll_time64

Older y2038 unsafe syscalls:
(Controlled by CONFIG_32BIT_COMPAT_TIME for 32 bit ABIs)

Native 32 bit : ppoll_time32
Compat : compat_sys_ppoll

Signed-off-by: Deepa Dinamani <deepa.kernel@gmail.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2018-12-06 17:23:05 +01:00
Deepa Dinamani
854a6ed568 signal: Add restore_user_sigmask()
Refactor the logic to restore the sigmask before the syscall
returns into an api.
This is useful for versions of syscalls that pass in the
sigmask and expect the current->sigmask to be changed during
the execution and restored after the execution of the syscall.

With the advent of new y2038 syscalls in the subsequent patches,
we add two more new versions of the syscalls (for pselect, ppoll
and io_pgetevents) in addition to the existing native and compat
versions. Adding such an api reduces the logic that would need to
be replicated otherwise.

Signed-off-by: Deepa Dinamani <deepa.kernel@gmail.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2018-12-06 17:22:53 +01:00
Deepa Dinamani
ded653ccbe signal: Add set_user_sigmask()
Refactor reading sigset from userspace and updating sigmask
into an api.

This is useful for versions of syscalls that pass in the
sigmask and expect the current->sigmask to be changed during,
and restored after, the execution of the syscall.

With the advent of new y2038 syscalls in the subsequent patches,
we add two more new versions of the syscalls (for pselect, ppoll,
and io_pgetevents) in addition to the existing native and compat
versions. Adding such an api reduces the logic that would need to
be replicated otherwise.

Note that the calls to sigprocmask() ignored the return value
from the api as the function only returns an error on an invalid
first argument that is hardcoded at these call sites.
The updated logic uses set_current_blocked() instead.

Signed-off-by: Deepa Dinamani <deepa.kernel@gmail.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2018-12-06 17:22:38 +01:00
Guo Ren
b7d624ab43 asm-generic: unistd.h: fixup broken macro include.
The broken macros make the glibc compile error. If there is no
__NR3264_fstat*, we should also removed related definitions.

Reported-by: Marcin Juszkiewicz <marcin.juszkiewicz@linaro.org>
Fixes: bf4b6a7d37 ("y2038: Remove stat64 family from default syscall set")
[arnd: Both Marcin and Guo provided this patch to fix up my clearly
       broken commit, I applied the version with the better changelog.]
Signed-off-by: Guo Ren <ren_guo@c-sky.com>
Signed-off-by: Mao Han <han_mao@c-sky.com>
Cc: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2018-12-06 16:57:47 +01:00
Christoph Hellwig
7c703e54cc arch: switch the default on ARCH_HAS_SG_CHAIN
These days architectures are mostly out of the business of dealing with
struct scatterlist at all, unless they have architecture specific iommu
drivers.  Replace the ARCH_HAS_SG_CHAIN symbol with a ARCH_NO_SG_CHAIN
one only enabled for architectures with horrible legacy iommu drivers
like alpha and parisc, and conditionally for arm which wants to keep it
disable for legacy platforms.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Palmer Dabbelt <palmer@sifive.com>
2018-12-06 07:04:56 -08:00
Christoph Hellwig
b14b9d25a3 dma-mapping: return an error code from dma_mapping_error
Currently dma_mapping_error returns a boolean as int, with 1 meaning
error.  This is rather unusual and many callers have to convert it to
errno value.  The callers are highly inconsistent with error codes
ranging from -ENOMEM over -EIO, -EINVAL and -EFAULT ranging to -EAGAIN.
Return -ENOMEM which seems to be what the largest number of callers
convert it to, and which also matches the typical error case where
we are out of resources.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Acked-by: Russell King <rmk+kernel@armlinux.org.uk>
Acked-by: Linus Torvalds <torvalds@linux-foundation.org>
2018-12-06 06:56:50 -08:00
Christoph Hellwig
68c9ac1d1f dma-mapping: remove the mapping_error dma_map_ops method
No users left except for vmd which just forwards it.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Acked-by: Linus Torvalds <torvalds@linux-foundation.org>
2018-12-06 06:56:50 -08:00
Christoph Hellwig
cad34be747 iommu/dma-iommu: remove the mapping_error dma_map_ops method
Return DMA_MAPPING_ERROR instead of 0 on a dma mapping failure and let
the core dma-mapping code handle the rest.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Acked-by: Linus Torvalds <torvalds@linux-foundation.org>
2018-12-06 06:56:48 -08:00