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932731 commits

Author SHA1 Message Date
Rander Wang
ab2c913297 soundwire: intel: add wake interrupt support
When system is suspended in clock stop mode on intel platforms, both
master and slave are in clock stop mode and soundwire bus is taken
over by a glue hardware. The bus message for jack event is processed
by this glue hardware, which will trigger an interrupt to resume audio
pci device. Then audio pci driver will resume soundwire master and slave,
transfer bus ownership to master, finally slave will report jack event
to master and codec driver is triggered to check jack status.

if a slave has been attached to a bus, the slave->dev_num_sticky
should be non-zero, so we can check this value to skip the
ghost devices defined in ACPI table but not populated in hardware.

Signed-off-by: Rander Wang <rander.wang@intel.com>
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Signed-off-by: Bard Liao <yung-chuan.liao@linux.intel.com>
Link: https://lore.kernel.org/r/20200716150947.22119-9-yung-chuan.liao@linux.intel.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
2020-07-21 16:05:41 +05:30
Bard Liao
4a98a6b2fa soundwire: intel/cadence: merge Soundwire interrupt handlers/threads
The existing code uses one pair of interrupt handler/thread per link
but at the hardware level the interrupt is shared. This works fine for
legacy PCI interrupts, but leads to timeouts in MSI (Message-Signaled
Interrupt) mode, likely due to edges being lost.

This patch unifies interrupt handling for all links. The dedicated
handler is removed since we use a common one for all shared interrupt
sources, and the thread function takes care of dealing with interrupt
sources. This partition follows the model used for the SOF IPC on
HDaudio platforms, where similar timeout issues were noticed and doing
all the interrupt handling/clearing in the thread improved
reliability/stability.

Validation results with 4 links active in parallel show a night-and-day
improvement with no timeouts noticed even during stress tests. Latency
and quality of service are not affected by the change - mostly because
events on a SoundWire link are throttled by the bus frame rate
(typically 8..48kHz).

Signed-off-by: Bard Liao <yung-chuan.liao@linux.intel.com>
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Link: https://lore.kernel.org/r/20200716150947.22119-8-yung-chuan.liao@linux.intel.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
2020-07-21 16:05:41 +05:30
Pierre-Louis Bossart
8459cea755 soundwire: intel_init: use EXPORT_SYMBOL_NS
Make sure all symbols in this soundwire-intel-init module are exported
with a namespace.

The MODULE_IMPORT_NS will be used in Intel/SOF HDaudio modules to be
posted in a separate series.

Namespaces are only introduced for the Intel parts of the SoundWire
code at this time, in future patches we should also add namespaces for
Cadence parts and the SoundWire core.

Suggested-by: Greg KH <gregkh@linuxfoundation.org>
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Signed-off-by: Bard Liao <yung-chuan.liao@linux.intel.com>
Link: https://lore.kernel.org/r/20200716150947.22119-7-yung-chuan.liao@linux.intel.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
2020-07-21 16:05:40 +05:30
Pierre-Louis Bossart
12b161468d soundwire: intel_init: add implementation of sdw_intel_enable_irq()
This function is required to enable all interrupts across all links.

Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Signed-off-by: Bard Liao <yung-chuan.liao@linux.intel.com>
Link: https://lore.kernel.org/r/20200716150947.22119-6-yung-chuan.liao@linux.intel.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
2020-07-21 16:05:40 +05:30
Pierre-Louis Bossart
437e3289b5 soundwire: intel: introduce helper for link synchronization
After arming the synchronization, the SYNCGO field controls the
hardware-based synchronization between links.

Move the programming and wait for clear of SYNCGO to dedicated helper.

Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Signed-off-by: Bard Liao <yung-chuan.liao@linux.intel.com>
Link: https://lore.kernel.org/r/20200716150947.22119-5-yung-chuan.liao@linux.intel.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
2020-07-21 16:05:40 +05:30
Pierre-Louis Bossart
02629e4548 soundwire: intel: introduce a helper to arm link synchronization
Move code from pre_bank_switch to dedicated helper, will be used in
follow-up patches as recommended by programming flows.

Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Signed-off-by: Bard Liao <yung-chuan.liao@linux.intel.com>
Link: https://lore.kernel.org/r/20200716150947.22119-4-yung-chuan.liao@linux.intel.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
2020-07-21 16:05:40 +05:30
Pierre-Louis Bossart
4a17c441c7 soundwire: intel: revisit SHIM programming sequences.
Somehow the existing code is not aligned with the steps described in
the documentation, refactor code and make sure the register
programming sequences are correct. Also add missing power-up,
power-down and wake capabilities (the last two are used in follow-up
patches but introduced here for consistency).

Some of the SHIM registers exposed fields that are link specific, and
in addition some of the power-related registers (SPA/CPA) take time to
be updated. Uncontrolled access leads to timeouts or errors. Add a
mutex, shared by all links, so that all accesses to such registers are
serialized, and follow a pattern of read-modify-write.

This includes making sure SHIM_SYNC is programmed only once, before
the first master is powered on. We use a 'shim_mask' field, shared
between all links and protected by a mutex, to deal with power-up and
power-down sequences.

Note that the SYNCPRD value is tied only to the XTAL value and not the
current bus frequency or the frame rate.

BugLink: https://github.com/thesofproject/linux/issues/1555
Signed-off-by: Rander Wang <rander.wang@intel.com>
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Signed-off-by: Bard Liao <yung-chuan.liao@linux.intel.com>
Link: https://lore.kernel.org/r/20200716150947.22119-3-yung-chuan.liao@linux.intel.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
2020-07-21 16:05:40 +05:30
Pierre-Louis Bossart
7d2845d58d soundwire: intel: reuse code for wait loops to set/clear bits
Refactor code and use same routines on set/clear

Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Signed-off-by: Bard Liao <yung-chuan.liao@linux.intel.com>
Link: https://lore.kernel.org/r/20200716150947.22119-2-yung-chuan.liao@linux.intel.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
2020-07-21 16:05:40 +05:30
Vinod Koul
3b71c69024 soundwire: fix the kernel-doc comment
sdw_startup_stream() and sdw_shutdown_stream() argument has been updated
but not the comments, so update these as well to fix warning with W=1

drivers/soundwire/stream.c:1859: warning: Function parameter or member 'sdw_substream' not described in 'sdw_startup_stream'
drivers/soundwire/stream.c:1859: warning: Excess function parameter 'stream' description in 'sdw_startup_stream'
drivers/soundwire/stream.c:1903: warning: Function parameter or member 'sdw_substream' not described in 'sdw_shutdown_stream'
drivers/soundwire/stream.c:1903: warning: Excess function parameter 'stream' description in 'sdw_shutdown_stream'

Signed-off-by: Vinod Koul <vkoul@kernel.org>
Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Link: https://lore.kernel.org/r/20200715095702.1519554-1-vkoul@kernel.org
Signed-off-by: Vinod Koul <vkoul@kernel.org>
2020-07-16 09:37:43 +05:30
Pierre-Louis Bossart
9256686898 soundwire: sdw.h: fix indentation
Not sure how this went undetected for years.

Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Reviewed-by: Guennadi Liakhovetski <guennadi.liakhovetski@linux.intel.com>
Reviewed-by: Rander Wang <rander.wang@linux.intel.com>
Signed-off-by: Bard Liao <yung-chuan.liao@linux.intel.com>
Link: https://lore.kernel.org/r/20200714213744.24674-3-yung-chuan.liao@linux.intel.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
2020-07-15 15:22:33 +05:30
Pierre-Louis Bossart
a8209dd42a soundwire: sdw.h: fix PRBS/Static_1 swapped definitions
Table 110 "Port Data Modes" of the SoundWire 1.2 specification lists
PRBS as b01 and Static_1 as b11. The existing headers swapped the two
values, fix.

Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Reviewed-by: Guennadi Liakhovetski <guennadi.liakhovetski@linux.intel.com>
Reviewed-by: Rander Wang <rander.wang@linux.intel.com>
Signed-off-by: Bard Liao <yung-chuan.liao@linux.intel.com>
Link: https://lore.kernel.org/r/20200714213744.24674-2-yung-chuan.liao@linux.intel.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
2020-07-15 15:22:33 +05:30
Pierre-Louis Bossart
9cb834b17c soundwire: intel: don't free dma_data in DAI shutdown
Now that the DMA data is allocated/freed in set_sdw_stream(), remove
free operations.

Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Signed-off-by: Bard Liao <yung-chuan.liao@linux.intel.com>
Link: https://lore.kernel.org/r/20200630184356.24939-6-yung-chuan.liao@linux.intel.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
2020-07-15 10:10:05 +05:30
Pierre-Louis Bossart
b5e9e687d6 soundwire: cadence: allocate/free dma_data in set_sdw_stream
The current memory allocation is somewhat strange: the dma_data is
allocated in set_sdw_stream, but released in the intel DAI
shutdown. This no longer works with the multi-cpu implementation,
since the dma_data is released in the dai shutdown which takes place
before the dailink shutdown.

Move to a more symmetric allocation where the dma_data is allocated
with non-NULL SoundWire stream, and conversely released when a NULL
stream is provided - for consistency with the stream startup and
shutdown operations.

Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Signed-off-by: Bard Liao <yung-chuan.liao@linux.intel.com>
Link: https://lore.kernel.org/r/20200630184356.24939-5-yung-chuan.liao@linux.intel.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
2020-07-15 10:10:05 +05:30
Pierre-Louis Bossart
ff16d1e584 soundwire: intel: remove stream allocation/free
To support streaming across multiple links, the stream allocation/free
needs to be at the dailink level, not the dai.

Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Signed-off-by: Bard Liao <yung-chuan.liao@linux.intel.com>
Link: https://lore.kernel.org/r/20200630184356.24939-4-yung-chuan.liao@linux.intel.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
2020-07-15 10:10:05 +05:30
Pierre-Louis Bossart
4550569bd7 soundwire: stream: add helper to startup/shutdown streams
To handle streams at the dailink level, expose two helpers that will
be called from machine drivers.

Reviewed-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com>
Reviewed-by: Guennadi Liakhovetski <guennadi.liakhovetski@linux.intel.com>
Reviewed-by: Kai Vehmanen <kai.vehmanen@linux.intel.com>
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Signed-off-by: Bard Liao <yung-chuan.liao@linux.intel.com>
Link: https://lore.kernel.org/r/20200630184356.24939-3-yung-chuan.liao@linux.intel.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
2020-07-15 10:10:05 +05:30
Pierre-Louis Bossart
09553140c8 soundwire: intel: implement get_sdw_stream() operations
This is needed to retrieve the information when the stream is
allocated at the dai_link level.

Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Signed-off-by: Bard Liao <yung-chuan.liao@linux.intel.com>
Link: https://lore.kernel.org/r/20200630184356.24939-2-yung-chuan.liao@linux.intel.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
2020-07-15 10:09:35 +05:30
Sanyog Kale
c5e3c684c3 MAINTAINERS: change SoundWire maintainer
Add Bard as SoundWire maintainer from Intel and change Sanyog's
role as reviewer.

Signed-off-by: Bard Liao <yung-chuan.liao@linux.intel.com>
Signed-off-by: Sanyog Kale <sanyog.r.kale@intel.com>
Acked-by: Bard Liao <yung-chuan.liao@linux.intel.com>
Link: https://lore.kernel.org/r/20200703192644.751-1-sanyog.r.kale@intel.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
2020-07-15 10:07:25 +05:30
Pierre-Louis Bossart
29d158f906 soundwire: bus: initialize bus clock base and scale registers
The SoundWire 1.2 specification adds new registers to allow for
seamless clock changes while audio transfers are on-going. Program
them following the specification.

Note that dynamic clock changes are not supported for now, this only
adds the register initialization.

Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Reviewed-by: Kai Vehmanen <kai.vehmanen@linux.intel.com>
Reviewed-by: Guennadi Liakhovetski <guennadi.liakhovetski@linux.intel.com>
Signed-off-by: Bard Liao <yung-chuan.liao@linux.intel.com>
Link: https://lore.kernel.org/r/20200608205436.2402-5-yung-chuan.liao@linux.intel.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
2020-06-30 21:26:17 +05:30
Pierre-Louis Bossart
b5924268d6 soundwire: extend SDW_SLAVE_ENTRY
The SoundWire 1.2 specification adds new capabilities that were not
present in previous version, such as the class ID.

To enable support for class drivers, and well as drivers that address
a specific version, all fields of the sdw_device_id structure need to
be exposed. For SoundWire 1.0 and 1.1 devices, a wildcard is used so
class and version information are ignored.

Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Reviewed-by: Rander Wang <rander.wang@linux.intel.com>
Reviewed-by: Guennadi Liakhovetski <guennadi.liakhovetski@linux.intel.com>
Signed-off-by: Bard Liao <yung-chuan.liao@linux.intel.com>
Link: https://lore.kernel.org/r/20200608205436.2402-4-yung-chuan.liao@linux.intel.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
2020-06-30 21:26:17 +05:30
Pierre-Louis Bossart
ee9173db50 soundwire: bus_type: convert open-coded while() to for() loop
No functionality change, just more structured code.

Suggested-by: Guennadi Liakhovetski <guennadi.liakhovetski@linux.intel.com>
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Reviewed-by: Rander Wang <rander.wang@linux.intel.com>
Reviewed-by: Guennadi Liakhovetski <guennadi.liakhovetski@linux.intel.com>
Signed-off-by: Bard Liao <yung-chuan.liao@linux.intel.com>
Link: https://lore.kernel.org/r/20200608205436.2402-3-yung-chuan.liao@linux.intel.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
2020-06-30 21:26:17 +05:30
Pierre-Louis Bossart
e3f88cdb8f soundwire: add definitions for 1.2 spec
Add definitions for register offsets and bit fields from the MIPI
SoundWire 1.2 specification (available to MIPI members at
https://members.mipi.org/wg/All-Members/document/download/78371)

Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Reviewed-by: Kai Vehmanen <kai.vehmanen@linux.intel.com>
Signed-off-by: Bard Liao <yung-chuan.liao@linux.intel.com>
Link: https://lore.kernel.org/r/20200608205436.2402-2-yung-chuan.liao@linux.intel.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
2020-06-30 21:26:16 +05:30
Rikard Falkeborn
51fe3881a2 soundwire: qcom: Constify static structs
qcom_swrm_port_ops and qcom_swrm_ops are not modified and can be made
const to allow the compiler to put them in read-only memory.

Before:
   text    data     bss     dec     hex filename
  18266    3056     256   21578    544a drivers/soundwire/qcom.o

After:
   text    data     bss     dec     hex filename
  18426    2896     256   21578    544a drivers/soundwire/qcom.o

Signed-off-by: Rikard Falkeborn <rikard.falkeborn@gmail.com>
Link: https://lore.kernel.org/r/20200609230029.69802-1-rikard.falkeborn@gmail.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
2020-06-22 17:28:10 +05:30
Pierre-Louis Bossart
6d2c66695b soundwire: intel: transition to 3 steps initialization
Rather than a plain-vanilla init/exit, this patch provides 3 steps in
the initialization needed for driver selection, machine driver
selection and deal with power rail dependencies.

- ACPI scan: this step is done at a very early stage to detect the
presence of a SoundWire Controller and enabled links at the BIOS
level. This step may be called from the legacy HDaudio driver, which
will abort its probe to let the Sound Open Firmware (SOF) handle the
hardware.

- probe: this step allocates all the required memory and will add a
sdw_bus, which in turn will result in identifying all possible Slaves
listed below the Controller ACPI companion device. All the information
is reported to the parent PCI driver which will select the relevant
machine driver.

- startup: this last step starts the bus reset, which results in Slave
devices reporting as ATTACHED and being enumerated. This step is only
done during the card creation stage, after the DSP is powered to
account for internal power rail dependencies.

These 3 steps are already supported in the Sound Open firmware
drivers and upstream.

Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Signed-off-by: Bard Liao <yung-chuan.liao@linux.intel.com>
Link: https://lore.kernel.org/r/20200531182102.27840-7-yung-chuan.liao@linux.intel.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
2020-06-22 17:21:36 +05:30
Pierre-Louis Bossart
4ab34412fc soundwire: intel_init: pass link information as platform data
It's not clear how this code ever worked, the link information is used
in intel.c but never passed as platform_data.

Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Signed-off-by: Bard Liao <yung-chuan.liao@linux.intel.com>
Link: https://lore.kernel.org/r/20200531182102.27840-6-yung-chuan.liao@linux.intel.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
2020-06-22 17:21:36 +05:30
Pierre-Louis Bossart
dd906cc615 soundwire: intel_init: use devm_ allocation
Make error handling simpler with devm_ allocation.

Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Signed-off-by: Bard Liao <yung-chuan.liao@linux.intel.com>
Link: https://lore.kernel.org/r/20200531182102.27840-5-yung-chuan.liao@linux.intel.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
2020-06-22 17:21:36 +05:30
Pierre-Louis Bossart
9cd1c5a721 soundwire: intel_init: remove useless test
No need to test link_mask twice

Suggested-by: Rander Wang <rander.wang@intel.com>
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Signed-off-by: Bard Liao <yung-chuan.liao@linux.intel.com>
Link: https://lore.kernel.org/r/20200531182102.27840-4-yung-chuan.liao@linux.intel.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
2020-06-22 17:21:36 +05:30
Pierre-Louis Bossart
83e129afbe soundwire: intel: clarify drvdata and remove more indirections
The use of drvdata mixes two structures. There was no harm the first
structure is embedded as the first element of the second, but that's
not good. Make sure all drvdata is based on the 'sdw_cdns' structure.

While we are at it, remove indirections for 'dev' and 'cdns' to make
the code more readable.

Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Signed-off-by: Bard Liao <yung-chuan.liao@linux.intel.com>
Link: https://lore.kernel.org/r/20200531182102.27840-3-yung-chuan.liao@linux.intel.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
2020-06-22 17:21:36 +05:30
Pierre-Louis Bossart
b6109dd6dc soundwire: intel: cleanups for indirections/logs
The code can be simplified a bit to have a more consistent use of
'dev' and 'bus', as well as move definitions around. This will help
make the major changes in follow-up patches easier to review.

Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Signed-off-by: Bard Liao <yung-chuan.liao@linux.intel.com>
Link: https://lore.kernel.org/r/20200531182102.27840-2-yung-chuan.liao@linux.intel.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
2020-06-22 17:21:36 +05:30
Bard Liao
929cfee314 soundwire: bus: clock_stop: don't deal with UNATTACHED Slave devices
We don't need to do anything for the slave if it is unattached during
clock stop prepare and exit sequences.

Signed-off-by: Bard Liao <yung-chuan.liao@linux.intel.com>
Link: https://lore.kernel.org/r/20200531151806.25951-1-yung-chuan.liao@linux.intel.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
2020-06-22 17:07:32 +05:30
Vinod Koul
908442aa67 soundwire: Replace 'objs' by 'y'
`-objs` is designed for building host programs, change to `-y`,
more straightforward for device drivers.

See Documentation/kbuild/makefiles.rst

Signed-off-by: Vinod Koul <vkoul@kernel.org>
Link: https://lore.kernel.org/r/20200616162140.2563535-1-vkoul@kernel.org
Signed-off-by: Vinod Koul <vkoul@kernel.org>
2020-06-22 17:06:08 +05:30
Linus Torvalds
b3a9e3b962 Linux 5.8-rc1 2020-06-14 12:45:04 -07:00
Linus Torvalds
4a87b197c1 Add additional LSM hooks for SafeSetID
SafeSetID is capable of making allow/deny decisions for set*uid calls
 on a system, and we want to add similar functionality for set*gid
 calls. The work to do that is not yet complete, so probably won't make
 it in for v5.8, but we are looking to get this simple patch in for
 v5.8 since we have it ready. We are planning on the rest of the work
 for extending the SafeSetID LSM being merged during the v5.9 merge
 window.
 
 This patch was sent to the security mailing list and there were no objections.
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Merge tag 'LSM-add-setgid-hook-5.8-author-fix' of git://github.com/micah-morton/linux

Pull SafeSetID update from Micah Morton:
 "Add additional LSM hooks for SafeSetID

  SafeSetID is capable of making allow/deny decisions for set*uid calls
  on a system, and we want to add similar functionality for set*gid
  calls.

  The work to do that is not yet complete, so probably won't make it in
  for v5.8, but we are looking to get this simple patch in for v5.8
  since we have it ready.

  We are planning on the rest of the work for extending the SafeSetID
  LSM being merged during the v5.9 merge window"

* tag 'LSM-add-setgid-hook-5.8-author-fix' of git://github.com/micah-morton/linux:
  security: Add LSM hooks to set*gid syscalls
2020-06-14 11:39:31 -07:00
Thomas Cedeno
39030e1351 security: Add LSM hooks to set*gid syscalls
The SafeSetID LSM uses the security_task_fix_setuid hook to filter
set*uid() syscalls according to its configured security policy. In
preparation for adding analagous support in the LSM for set*gid()
syscalls, we add the requisite hook here. Tested by putting print
statements in the security_task_fix_setgid hook and seeing them get hit
during kernel boot.

Signed-off-by: Thomas Cedeno <thomascedeno@google.com>
Signed-off-by: Micah Morton <mortonm@chromium.org>
2020-06-14 10:52:02 -07:00
Linus Torvalds
9d645db853 for-5.8-part2-tag
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Merge tag 'for-5.8-part2-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux

Pull btrfs updates from David Sterba:
 "This reverts the direct io port to iomap infrastructure of btrfs
  merged in the first pull request. We found problems in invalidate page
  that don't seem to be fixable as regressions or without changing iomap
  code that would not affect other filesystems.

  There are four reverts in total, but three of them are followup
  cleanups needed to revert a43a67a2d7 cleanly. The result is the
  buffer head based implementation of direct io.

  Reverts are not great, but under current circumstances I don't see
  better options"

* tag 'for-5.8-part2-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux:
  Revert "btrfs: switch to iomap_dio_rw() for dio"
  Revert "fs: remove dio_end_io()"
  Revert "btrfs: remove BTRFS_INODE_READDIO_NEED_LOCK"
  Revert "btrfs: split btrfs_direct_IO to read and write part"
2020-06-14 09:47:25 -07:00
Linus Torvalds
96144c58ab Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Pull networking fixes from David Miller:

 1) Fix cfg80211 deadlock, from Johannes Berg.

 2) RXRPC fails to send norigications, from David Howells.

 3) MPTCP RM_ADDR parsing has an off by one pointer error, fix from
    Geliang Tang.

 4) Fix crash when using MSG_PEEK with sockmap, from Anny Hu.

 5) The ucc_geth driver needs __netdev_watchdog_up exported, from
    Valentin Longchamp.

 6) Fix hashtable memory leak in dccp, from Wang Hai.

 7) Fix how nexthops are marked as FDB nexthops, from David Ahern.

 8) Fix mptcp races between shutdown and recvmsg, from Paolo Abeni.

 9) Fix crashes in tipc_disc_rcv(), from Tuong Lien.

10) Fix link speed reporting in iavf driver, from Brett Creeley.

11) When a channel is used for XSK and then reused again later for XSK,
    we forget to clear out the relevant data structures in mlx5 which
    causes all kinds of problems. Fix from Maxim Mikityanskiy.

12) Fix memory leak in genetlink, from Cong Wang.

13) Disallow sockmap attachments to UDP sockets, it simply won't work.
    From Lorenz Bauer.

* git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (83 commits)
  net: ethernet: ti: ale: fix allmulti for nu type ale
  net: ethernet: ti: am65-cpsw-nuss: fix ale parameters init
  net: atm: Remove the error message according to the atomic context
  bpf: Undo internal BPF_PROBE_MEM in BPF insns dump
  libbpf: Support pre-initializing .bss global variables
  tools/bpftool: Fix skeleton codegen
  bpf: Fix memlock accounting for sock_hash
  bpf: sockmap: Don't attach programs to UDP sockets
  bpf: tcp: Recv() should return 0 when the peer socket is closed
  ibmvnic: Flush existing work items before device removal
  genetlink: clean up family attributes allocations
  net: ipa: header pad field only valid for AP->modem endpoint
  net: ipa: program upper nibbles of sequencer type
  net: ipa: fix modem LAN RX endpoint id
  net: ipa: program metadata mask differently
  ionic: add pcie_print_link_status
  rxrpc: Fix race between incoming ACK parser and retransmitter
  net/mlx5: E-Switch, Fix some error pointer dereferences
  net/mlx5: Don't fail driver on failure to create debugfs
  net/mlx5e: CT: Fix ipv6 nat header rewrite actions
  ...
2020-06-13 16:27:13 -07:00
David Sterba
55e20bd12a Revert "btrfs: switch to iomap_dio_rw() for dio"
This reverts commit a43a67a2d7.

This patch reverts the main part of switching direct io implementation
to iomap infrastructure. There's a problem in invalidate page that
couldn't be solved as regression in this development cycle.

The problem occurs when buffered and direct io are mixed, and the ranges
overlap. Although this is not recommended, filesystems implement
measures or fallbacks to make it somehow work. In this case, fallback to
buffered IO would be an option for btrfs (this already happens when
direct io is done on compressed data), but the change would be needed in
the iomap code, bringing new semantics to other filesystems.

Another problem arises when again the buffered and direct ios are mixed,
invalidation fails, then -EIO is set on the mapping and fsync will fail,
though there's no real error.

There have been discussions how to fix that, but revert seems to be the
least intrusive option.

Link: https://lore.kernel.org/linux-btrfs/20200528192103.xm45qoxqmkw7i5yl@fiona/
Signed-off-by: David Sterba <dsterba@suse.com>
2020-06-14 01:19:02 +02:00
Grygorii Strashko
bc139119a1 net: ethernet: ti: ale: fix allmulti for nu type ale
On AM65xx MCU CPSW2G NUSS and 66AK2E/L NUSS allmulti setting does not allow
unregistered mcast packets to pass.

This happens, because ALE VLAN entries on these SoCs do not contain port
masks for reg/unreg mcast packets, but instead store indexes of
ALE_VLAN_MASK_MUXx_REG registers which intended for store port masks for
reg/unreg mcast packets.
This path was missed by commit 9d1f644727 ("net: ethernet: ti: ale: fix
seeing unreg mcast packets with promisc and allmulti disabled").

Hence, fix it by taking into account ALE type in cpsw_ale_set_allmulti().

Fixes: 9d1f644727 ("net: ethernet: ti: ale: fix seeing unreg mcast packets with promisc and allmulti disabled")
Signed-off-by: Grygorii Strashko <grygorii.strashko@ti.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-06-13 15:37:17 -07:00
Grygorii Strashko
2074f9eaa5 net: ethernet: ti: am65-cpsw-nuss: fix ale parameters init
The ALE parameters structure is created on stack, so it has to be reset
before passing to cpsw_ale_create() to avoid garbage values.

Fixes: 93a7653031 ("net: ethernet: ti: introduce am65x/j721e gigabit eth subsystem driver")
Signed-off-by: Grygorii Strashko <grygorii.strashko@ti.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-06-13 15:35:08 -07:00
David S. Miller
fa7566a0d6 Merge git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf
Alexei Starovoitov says:

====================
pull-request: bpf 2020-06-12

The following pull-request contains BPF updates for your *net* tree.

We've added 26 non-merge commits during the last 10 day(s) which contain
a total of 27 files changed, 348 insertions(+), 93 deletions(-).

The main changes are:

1) sock_hash accounting fix, from Andrey.

2) libbpf fix and probe_mem sanitizing, from Andrii.

3) sock_hash fixes, from Jakub.

4) devmap_val fix, from Jesper.

5) load_bytes_relative fix, from YiFei.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
2020-06-13 15:28:08 -07:00
Liao Pingfang
bf97bac9dc net: atm: Remove the error message according to the atomic context
Looking into the context (atomic!) and the error message should be dropped.

Signed-off-by: Liao Pingfang <liao.pingfang@zte.com.cn>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-06-13 15:27:06 -07:00
Linus Torvalds
f82e7b57b5 12 cifs/smb3 fixes, 2 for stable. Adds support for idsfromsid on create and chgrp/chown. Improves query info (getattr) when posix extensions negotiated.
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Merge tag '5.8-rc-smb3-fixes-part2' of git://git.samba.org/sfrench/cifs-2.6

Pull more cifs updates from Steve French:
 "12 cifs/smb3 fixes, 2 for stable.

   - add support for idsfromsid on create and chgrp/chown allowing
     ability to save owner information more naturally for some workloads

   - improve query info (getattr) when SMB3.1.1 posix extensions are
     negotiated by using new query info level"

* tag '5.8-rc-smb3-fixes-part2' of git://git.samba.org/sfrench/cifs-2.6:
  smb3: Add debug message for new file creation with idsfromsid mount option
  cifs: fix chown and chgrp when idsfromsid mount option enabled
  smb3: allow uid and gid owners to be set on create with idsfromsid mount option
  smb311: Add tracepoints for new compound posix query info
  smb311: add support for using info level for posix extensions query
  smb311: Add support for lookup with posix extensions query info
  smb311: Add support for SMB311 query info (non-compounded)
  SMB311: Add support for query info using posix extensions (level 100)
  smb3: add indatalen that can be a non-zero value to calculation of credit charge in smb2 ioctl
  smb3: fix typo in mount options displayed in /proc/mounts
  cifs: Add get_security_type_str function to return sec type.
  smb3: extend fscache mount volume coherency check
2020-06-13 13:43:56 -07:00
Linus Torvalds
4f9b3a3775 binderfs: add gitignore for generated sample program
Let's keep "git status" happy and quiet.

Fixes: 9762dc1432 ("samples: add binderfs sample program
Fixes: fca5e94921 ("samples: binderfs: really compile this sample and fix build issues")
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2020-06-13 13:41:24 -07:00
Linus Torvalds
3e1ad4054b doc: don't use deprecated "---help---" markers in target docs
I'm not convinced the script makes useful automaed help lines anyway,
but since we're trying to deprecate the use of "---help---" in Kconfig
files, let's fix the doc example code too.

See commit a7f7f6248d ("treewide: replace '---help---' in Kconfig
files with 'help'")

Cc: Masahiro Yamada <masahiroy@kernel.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2020-06-13 13:32:40 -07:00
Linus Torvalds
6adc19fd13 Kbuild updates for v5.8 (2nd)
- fix build rules in binderfs sample
 
  - fix build errors when Kbuild recurses to the top Makefile
 
  - covert '---help---' in Kconfig to 'help'
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Merge tag 'kbuild-v5.8-2' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild

Pull more Kbuild updates from Masahiro Yamada:

 - fix build rules in binderfs sample

 - fix build errors when Kbuild recurses to the top Makefile

 - covert '---help---' in Kconfig to 'help'

* tag 'kbuild-v5.8-2' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild:
  treewide: replace '---help---' in Kconfig files with 'help'
  kbuild: fix broken builds because of GZIP,BZIP2,LZOP variables
  samples: binderfs: really compile this sample and fix build issues
2020-06-13 13:29:16 -07:00
Linus Torvalds
3df83e164f SCSI misc on 20200613
This is the set of changes collected since just before the merge
 window opened.  It's mostly minor fixes in drivers.  The one
 non-driver set is the three optical disk (sr) changes where two are
 error path fixes and one is a helper conversion.  The big driver
 change is the hpsa compat_alloc_userspace rework by Al so he can kill
 the remaining user.  This has been tested and acked by the maintainer.
 
 Signed-off-by: James E.J. Bottomley <jejb@linux.ibm.com>
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Merge tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi

Pull more SCSI updates from James Bottomley:
 "This is the set of changes collected since just before the merge
  window opened. It's mostly minor fixes in drivers.

  The one non-driver set is the three optical disk (sr) changes where
  two are error path fixes and one is a helper conversion.

  The big driver change is the hpsa compat_alloc_userspace rework by Al
  so he can kill the remaining user. This has been tested and acked by
  the maintainer"

* tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: (21 commits)
  scsi: acornscsi: Fix an error handling path in acornscsi_probe()
  scsi: storvsc: Remove memset before memory freeing in storvsc_suspend()
  scsi: cxlflash: Remove an unnecessary NULL check
  scsi: ibmvscsi: Don't send host info in adapter info MAD after LPM
  scsi: sr: Fix sr_probe() missing deallocate of device minor
  scsi: sr: Fix sr_probe() missing mutex_destroy
  scsi: st: Convert convert get_user_pages() --> pin_user_pages()
  scsi: target: Rename target_setup_cmd_from_cdb() to target_cmd_parse_cdb()
  scsi: target: Fix NULL pointer dereference
  scsi: target: Initialize LUN in transport_init_se_cmd()
  scsi: target: Factor out a new helper, target_cmd_init_cdb()
  scsi: hpsa: hpsa_ioctl(): Tidy up a bit
  scsi: hpsa: Get rid of compat_alloc_user_space()
  scsi: hpsa: Don't bother with vmalloc for BIG_IOCTL_Command_struct
  scsi: hpsa: Lift {BIG_,}IOCTL_Command_struct copy{in,out} into hpsa_ioctl()
  scsi: ufs: Remove redundant urgent_bkop_lvl initialization
  scsi: ufs: Don't update urgent bkops level when toggling auto bkops
  scsi: qedf: Remove redundant initialization of variable rc
  scsi: mpt3sas: Fix memset() in non-RDPQ mode
  scsi: iscsi: Fix reference count leak in iscsi_boot_create_kobj
  ...
2020-06-13 13:17:49 -07:00
Linus Torvalds
91fa58840a Merge branch 'i2c/for-5.8' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux
Pull i2c updates from Wolfram Sang:
 "I2C has quite some patches for you this time. I hope it is the move to
  per-driver-maintainers which is now showing results. We will see.

  The big news is two new drivers (Nuvoton NPCM and Qualcomm CCI),
  larger refactoring of the Designware, Tegra, and PXA drivers, the
  Cadence driver supports being a slave now, and there is support to
  instanciate SPD eeproms for well-known cases (which will be
  user-visible because the i801 driver supports it), and some
  devm_platform_ioremap_resource() conversions which blow up the
  diffstat.

  Note that I applied the Nuvoton driver quite late, so some minor fixup
  patches arrived during the merge window. I chose to apply them right
  away because they were trivial"

* 'i2c/for-5.8' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux: (109 commits)
  i2c: Drop stray comma in MODULE_AUTHOR statements
  i2c: npcm7xx: npcm_i2caddr[] can be static
  MAINTAINERS: npcm7xx: Add maintainer for Nuvoton NPCM BMC
  i2c: npcm7xx: Fix a couple of error codes in probe
  i2c: icy: Fix build with CONFIG_AMIGA_PCMCIA=n
  i2c: npcm7xx: Remove unnecessary parentheses
  i2c: npcm7xx: Add support for slave mode for Nuvoton
  i2c: npcm7xx: Add Nuvoton NPCM I2C controller driver
  dt-bindings: i2c: npcm7xx: add NPCM I2C controller
  i2c: pxa: don't error out if there's no pinctrl
  i2c: add 'single-master' property to generic bindings
  i2c: designware: Add Baikal-T1 System I2C support
  i2c: designware: Move reg-space remapping into a dedicated function
  i2c: designware: Retrieve quirk flags as early as possible
  i2c: designware: Convert driver to using regmap API
  i2c: designware: Discard Cherry Trail model flag
  i2c: designware: Add Baytrail sem config DW I2C platform dependency
  i2c: designware: slave: Set DW I2C core module dependency
  i2c: designware: Use `-y` to build multi-object modules
  dt-bindings: i2c: dw: Add Baikal-T1 SoC I2C controller
  ...
2020-06-13 13:12:38 -07:00
Linus Torvalds
ac911b3163 media updates for v5.8-rc1
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Merge tag 'media/v5.8-2' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media

Pull more media updates from Mauro Carvalho Chehab:

 - a set of atomisp patches. They remove several abstraction layers, and
   fixes clang and gcc warnings (that were hidden via some macros that
   were disabling 4 or 5 types of warnings there). There are also some
   important fixes and sensor auto-detection on newer BIOSes via ACPI
   _DCM tables.

 - some fixes

* tag 'media/v5.8-2' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: (95 commits)
  media: rkvdec: Fix H264 scaling list order
  media: v4l2-ctrls: Unset correct HEVC loop filter flag
  media: videobuf2-dma-contig: fix bad kfree in vb2_dma_contig_clear_max_seg_size
  media: v4l2-subdev.rst: correct information about v4l2 events
  media: s5p-mfc: Properly handle dma_parms for the allocated devices
  media: medium: cec: Make MEDIA_CEC_SUPPORT default to n if !MEDIA_SUPPORT
  media: cedrus: Implement runtime PM
  media: cedrus: Program output format during each run
  media: atomisp: improve ACPI/DMI detection logs
  media: Revert "media: atomisp: add Asus Transform T101HA ACPI vars"
  media: Revert "media: atomisp: Add some ACPI detection info"
  media: atomisp: improve sensor detection code to use _DSM table
  media: atomisp: get rid of an iomem abstraction layer
  media: atomisp: get rid of a string_support.h abstraction layer
  media: atomisp: use strscpy() instead of less secure variants
  media: atomisp: set DFS to MAX if sensor doesn't report fps
  media: atomisp: use different dfs failed messages
  media: atomisp: change the detection of ISP2401 at runtime
  media: atomisp: use macros from intel-family.h
  media: atomisp: don't set hpll_freq twice with different values
  ...
2020-06-13 13:09:38 -07:00
Linus Torvalds
d74b15dbbb libnvdimm for 5.8
- Small collection of cleanups to rework usage of ->queuedata and the
   GUID api.
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Merge tag 'libnvdimm-for-5.8' of git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm

Pull libnvdimm updates from Dan Williams:
 "Small collection of cleanups to rework usage of ->queuedata and the
  GUID api"

* tag 'libnvdimm-for-5.8' of git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm:
  nvdimm/pmem: stop using ->queuedata
  nvdimm/btt: stop using ->queuedata
  nvdimm/blk: stop using ->queuedata
  libnvdimm: Replace guid_copy() with import_guid() where it makes sense
2020-06-13 13:04:36 -07:00
Linus Torvalds
298ce0fd50 watch_queue: add gitignore for generated sample program
Let's keep "git status" happy and quiet.

Fixes: f5b5a164f9 ("Add sample notification program")
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2020-06-13 13:00:54 -07:00
Linus Torvalds
593bd5e5d3 New code for 5.8:
- Fix an integer overflow problem in the unshare actor.
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Merge tag 'iomap-5.8-merge-1' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux

Pull iomap fix from Darrick Wong:
 "A single iomap bug fix for a variable type mistake on 32-bit
  architectures, fixing an integer overflow problem in the unshare
  actor"

* tag 'iomap-5.8-merge-1' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux:
  iomap: Fix unsharing of an extent >2GB on a 32-bit machine
2020-06-13 12:44:30 -07:00