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This commit adds dt-binding documentation of watchdog for Mediatek MT7986
SoC Platform.
Signed-off-by: Sam Shih <sam.shih@mediatek.com>
Acked-by: Rob Herring <robh@kernel.org>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Link: https://lore.kernel.org/r/20210726071439.14248-11-sam.shih@mediatek.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@linux-watchdog.org>
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This adds devicetree bindings for the Maxim MAX63xx watchdog
timers.
Cc: devicetree@vger.kernel.org
Cc: Marc Zyngier <maz@kernel.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Reviewed-by: Rob Herring <robh@kernel.org>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Link: https://lore.kernel.org/r/20210714153314.1004147-1-linus.walleij@linaro.org
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@linux-watchdog.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux
Pull RISC-V fixes from Palmer Dabbelt:
- fix the sifive-l2-cache device tree bindings for json-schema
compatibility. This does not change the intended behavior of the
binding.
- avoid improperly freeing necessary resources during early boot.
* tag 'riscv-for-linus-5.14-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux:
riscv: Fix a number of free'd resources in init_resources()
dt-bindings: sifive-l2-cache: Fix 'select' matching
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Recently, the content and examples of the book "The Linux Kernel Module
Programming Guide" are being actively maintained and added on Github[1].
Currently, the book is being regularly built into webpage and pdf
file using Github static page[2].
[1]: https://github.com/sysprog21/lkmpg
[2]: https://sysprog21.github.io/lkmpg/
Signed-off-by: Chun-Hung Tseng <henrybear327@gmail.com>
Link: https://lore.kernel.org/r/20210820222152.971174-1-henrybear327@gmail.com
[jc: fixed docs-build warnings]
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
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The ima documentation for measuring DM targets (dm-ima.rst) is
missing the attribute information for the targets - 'cache', 'integrity',
'multipath', and 'snapshot'. It is also missing the grammar for
various DM events and targets, which can help the attestation servers
to determine what data to expect for a given DM device. Further,
the documentation needs to be updated to incorporate code changes
made to DM ima events and targets as part of this patch series. For
instance, prefixing the event names with "dm_", adding the DM version to
events, prefixing the table hashes in the ima log with the
hash algorithm etc. There are warnings reported by 'make htmldocs' on
dm-ima.rst, which need to be fixed. And lastly, the expected behavior
needs to be documented when the configuration CONFIG_IMA_DISABLE_HTABLE
is disabled.
Update the documentation to add examples for 'cache', 'integrity',
'multipath', and 'snapshot' targets. Add the grammar for
various DM events and targets in Backus Naur form,
so that the attestation servers can interpret and act on the ima
measurements for DM target. Fix htmldocs warnings in dm-ima.rst. Update
the documentation to be consistent with the code changes that are part of
this patch series.
Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Tushar Sugandhi <tusharsu@linux.microsoft.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
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KVM_GUESTDBG_BLOCKIRQ will allow KVM to block all interrupts
while running.
This change is mostly intended for more robust single stepping
of the guest and it has the following benefits when enabled:
* Resuming from a breakpoint is much more reliable.
When resuming execution from a breakpoint, with interrupts enabled,
more often than not, KVM would inject an interrupt and make the CPU
jump immediately to the interrupt handler and eventually return to
the breakpoint, to trigger it again.
From the user point of view it looks like the CPU never executed a
single instruction and in some cases that can even prevent forward
progress, for example, when the breakpoint is placed by an automated
script (e.g lx-symbols), which does something in response to the
breakpoint and then continues the guest automatically.
If the script execution takes enough time for another interrupt to
arrive, the guest will be stuck on the same breakpoint RIP forever.
* Normal single stepping is much more predictable, since it won't
land the debugger into an interrupt handler.
* RFLAGS.TF has less chance to be leaked to the guest:
We set that flag behind the guest's back to do single stepping
but if single step lands us into an interrupt/exception handler
it will be leaked to the guest in the form of being pushed
to the stack.
This doesn't completely eliminate this problem as exceptions
can still happen, but at least this reduces the chances
of this happening.
Signed-off-by: Maxim Levitsky <mlevitsk@redhat.com>
Message-Id: <20210811122927.900604-6-mlevitsk@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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Add documentations for linear and logarithmic histogram statistics.
Signed-off-by: Jing Zhang <jingzhangos@google.com>
Message-Id: <20210802165633.1866976-3-jingzhangos@google.com>
[Small changes to the phrasing. - Paolo]
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
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x86_64 vmalloc() mappings are no longer "synchronized" among page tables
via faulting since commit 6eb82f994026 ("x86/mm: Pre-allocate P4D/PUD
pages for vmalloc area"), since the corresponding P4D or PUD pages are
now preallocated at boot, by preallocate_vmalloc_pages(). Drop the
"lazily synchronized" description for less confusion.
While this file is x86_64-specific, it is worth noting that things are
different for x86_32, where vmalloc()-related changes to `init_mm.pgd` are
synchronized to all page tables in the system during runtime, via
arch_sync_kernel_mappings(). Unfortunately, this synchronization is
subject to race condition, which is further handled via faulting, see
vmalloc_fault(). See commit 4819e15f740e ("x86/mm/32: Bring back vmalloc
faulting on x86_32") for more details.
Reviewed-by: Muchun Song <songmuchun@bytedance.com>
Signed-off-by: Peilin Ye <peilin.ye@bytedance.com>
Reviewed-by: Joerg Roedel <jroedel@suse.de>
Link: https://lore.kernel.org/r/20210818220123.2623-1-yepeilin.cs@gmail.com
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
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There is a url for linux-next in the 'applying-patches.rst', but it's
surrounded by backquotes. So the url doesn't have a hyperlink in the
built document. To let readers easily move to the page, this commit
puts the url outside of the backquotes so that a hyperlink to the url
can be automatically made.
Signed-off-by: SeongJae Park <sjpark@amazon.de>
Link: https://lore.kernel.org/r/20210812095030.4704-1-sj38.park@gmail.com
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
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'x86/vt-d' and 'core' into next
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Currently, uncompressed data except for tail-packing inline is
consecutive on disk.
In order to support chunk-based data deduplication, add a new
corresponding inode data layout.
In the future, the data source of chunks can be either (un)compressed.
Link: https://lore.kernel.org/r/20210820100019.208490-1-hsiangkao@linux.alibaba.com
Reviewed-by: Liu Bo <bo.liu@linux.alibaba.com>
Reviewed-by: Chao Yu <chao@kernel.org>
Signed-off-by: Gao Xiang <hsiangkao@linux.alibaba.com>
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yamllint warnings go to stdout which means on a quiet build no warnings
are output. Fix this and redirect the yamllint output to stderr.
Signed-off-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20210820000047.1667819-1-robh@kernel.org
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Document DT bindings for PCIe controller found on Intel Keem Bay SoC.
Link: https://lore.kernel.org/r/20210805211010.29484-2-srikanth.thokala@intel.com
Signed-off-by: Wan Ahmad Zainie <wan.ahmad.zainie.wan.mohamad@intel.com>
Signed-off-by: Srikanth Thokala <srikanth.thokala@intel.com>
Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Reviewed-by: Rob Herring <robh@kernel.org>
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Convert eeprom-93xx46 binding documentation from txt to yaml format
Signed-off-by: Aswath Govindraju <a-govindraju@ti.com>
Link: https://lore.kernel.org/r/20210818105626.31800-1-a-govindraju@ti.com
Signed-off-by: Rob Herring <robh@kernel.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/saeed/linux
Saeed Mahameed says:
====================
mlx5-updates-2021-08-19
This series introduces the support for two new mlx5 features:
1) Sample offload for tunneled traffic
2) devlink rate objects support
1) From Chris Mi: Sample offload for tunneled traffic
=====================================================
Background and solution
-----------------------
Currently the sample offload actions send the encapsulated packet
to software. This series de-capsulates the packet before performing
the sampling and set the tunnel properties on the skb metadata
fields to make the behavior consistent with OVS sFlow.
If de-capsulating first, we can't use the same match like before in
default table. So instantiate a post action instance to continue
processing the action list. If HW can preserve reg_c, also use the
post action instance.
Post action infrastructure
--------------------------
Some tc actions are modeled in hardware using multiple tables
causing a tc action list split. For example, CT action is modeled
by jumping to a ct table which is controlled by nf flow table.
sFlow jumps in hardware to a sample table, which continues to a
"default table" where it should continue processing the action list.
Multi table actions are modeled in hardware using a unique fte_id.
The fte_id is set before jumping to a table. Split actions continue
to a post-action table where the matched fte_id value continues the
execution the tc action list.
This series also introduces post action infrastructure. Both ct and
sample use it.
Sample for tunnel in TC SW
--------------------------
tc filter add dev vxlan1 protocol ip parent ffff: prio 3 \
flower src_mac 24:25:d0:e1:00:00 dst_mac 02:25:d0:13:01:02 \
enc_src_ip 192.168.1.14 enc_dst_ip 192.168.1.13 \
enc_dst_port 4789 enc_key_id 4 \
action sample rate 1 group 6 \
action tunnel_key unset \
action mirred egress redirect dev enp4s0f0_1
MLX5 sample HW offload
----------------------
For the following typical flow table:
+-------------------------------+
+ original flow table +
+-------------------------------+
+ original match +
+-------------------------------+
+ sample action + other actions +
+-------------------------------+
We translate the tc filter with sample action to the following HW model:
+---------------------+
+ original flow table +
+---------------------+
+ original match +
+---------------------+
| set fte_id (if reg_c preserve cap)
| do decap
v
+------------------------------------------------+
+ Flow Sampler Object +
+------------------------------------------------+
+ sample ratio +
+------------------------------------------------+
+ sample table id | default table id +
+------------------------------------------------+
| |
v v
+-----------------------------+ +-------------------+
+ sample table + + default table +
+-----------------------------+ +-------------------+
+ forward to management vport + |
+-----------------------------+ |
+-------+------+
| |reg_c preserve cap
| |or decap action
v v
+-----------------+ +-------------+
+ per vport table + + post action +
+-----------------+ +-------------+
+ original match +
+-----------------+
+ other actions +
+-----------------+
2) From Dmytro Linkin: devlink rate object support for mlx5_core driver
=======================================================================
HIGH-LEVEL OVERVIEW
Devlink leaf rate objects created per vport (VF/SF, and PF on BlueField)
in switchdev mode on devlink port registration.
Implement devlink ops callbacks to create/destroy rate groups, set TX
rate values of the vport/group, assign vport to the group.
Driver accepts TX rate values as fraction of 1Mbps.
Refactor existing eswitch QoS infrastructure to be accessible by legacy
NDO rate API and new devlink rate API. NDO rate API is not
removed/disabled in switchdev mode to not break existing users. Rate
values configured with NDO rate API are not visible for devlink
infrastructure, therefore APIs should not be used simultaneously.
IMPLEMENTATION DETAILS
Driver provide two level rate hierarchy to manage bandwidth - group
level and vport level. Initially each vport added to internal unlimited
group created by default. Each rate element (vport or group) receive
bandwidth relative to its parent element (for groups the parent is a
physical link itself) in a Round Robin manner, where element get
bandwidth value according to its weight. Example:
Created four rate groups with tx_share limits:
$ devlink port function rate add \
pci/0000:06:00.0/group_1 tx_share 30gbit
$ devlink port function rate add \
pci/0000:06:00.0/group_2 tx_share 20gbit
$ devlink port function rate add \
pci/0000:06:00.0/group_3 tx_share 20gbit
$ devlink port function rate add \
pci/0000:06:00.0/group_4 tx_share 10gbit
Weights created in HW for each group are relative to the bigest tx_share
value, which is 30gbit:
<group_1> 1.0
<group_2> 0.67
<group_3> 0.67
<group_4> 0.33
Assuming link speed is 50 Gbit/sec and each group can sustain such
amount of traffic, maximum bandwidth is 50 / (1.0 + 0.67 + 0.67 + 0.33)
= ~18.75 Gbit/sec. Normilized bandwidth values for groups:
<group_1> 18.75 * 1.0 = 18.75 Gbit/sec
<group_2> 18.75 * 0.67 = 12.5 Gbit/sec
<group_3> 18.75 * 0.67 = 12.5 Gbit/sec
<group_4> 18.75 * 0.33 = 6.25 Gbit/sec
If in example above group_1 doesn't produce any traffic, then maximum
bandwidth becomes 50 / (0.67 + 0.67 + 0.33) = ~30.0 Gbit/sec. Normalized
values:
<group_2> 30.0 * 0.67 = 20.0 Gbit/sec
<group_3> 30.0 * 0.67 = 20.0 Gbit/sec
<group_4> 30.0 * 0.33 = 10.0 Gbit/sec
Same normalization applied to each vport in the group.
Normalized values are internal, therefore driver provides QoS
tracepoints for next events:
* vport rate element creation/deletion:
* vport rate element configuration;
* group rate element creation/deletion;
* group rate element configuration.
PATCHES OVERVIEW
1 - Moving and isolation of eswitch QoS logic in separate file;
2 - Implement devlink leaf rate object support for vports;
3 - Implement rate groups creation/deletion;
4 - Implement TX rate management for the groups;
5 - Implement parent set for vports;
6 - Eswitch QoS tracepoints.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.open-mesh.org/linux-merge
Simon Wunderlich says:
====================
This cleanup patchset includes the following patches:
- bump version strings, by Simon Wunderlich
- update docs about move IRC channel away from freenode,
by Sven Eckelmann
- Switch to kstrtox.h for kstrtou64, by Sven Eckelmann
- Update NULL checks, by Sven Eckelmann (2 patches)
- remove remaining skb-copy calls for broadcast packets,
by Linus Lüssing
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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Document support for running 32-bit tasks on asymmetric 32-bit systems
and its impact on the user ABI when enabled.
Signed-off-by: Will Deacon <will@kernel.org>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Link: https://lore.kernel.org/r/20210730112443.23245-17-will@kernel.org
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Allow systems with mismatched 32-bit support at EL0 to run 32-bit
applications based on a new kernel parameter.
Signed-off-by: Will Deacon <will@kernel.org>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Reviewed-by: Catalin Marinas <catalin.marinas@arm.com>
Link: https://lore.kernel.org/r/20210730112443.23245-15-will@kernel.org
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Since 32-bit applications will be killed if they are caught trying to
execute on a 64-bit-only CPU in a mismatched system, advertise the set
of 32-bit capable CPUs to userspace in sysfs.
Signed-off-by: Will Deacon <will@kernel.org>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Reviewed-by: Catalin Marinas <catalin.marinas@arm.com>
Link: https://lore.kernel.org/r/20210730112443.23245-14-will@kernel.org
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Use led_classdev_notify_brightness_hw_changed() instead of F16 key.
Signed-off-by: Matan Ziv-Av <matan@svgalib.org>
Link: https://lore.kernel.org/r/2196990f167efe6a42d51fb85f4db4cdf4d9e80e.1629291912.git.matan@svgalib.org
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
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Send F21 which is the standard for this key, instead of F13.
Signed-off-by: Matan Ziv-Av <matan@svgalib.org>
Link: https://lore.kernel.org/r/b847895c1f170e2e59df5757a4d603d28149f648.1629291912.git.matan@svgalib.org
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
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Dynamic BIOS SAR driver exposing dynamic SAR information from BIOS
The Dynamic SAR (Specific Absorption Rate) driver uses ACPI DSM
(Device Specific Method) to communicate with BIOS and retrieve
dynamic SAR information and change notifications. The driver uses
sysfs to expose this data to userspace via read and notify.
Sysfs interface is documented in detail under:
Documentation/ABI/testing/sysfs-driver-intc_sar
Signed-off-by: Shravan S <s.shravan@intel.com>
Link: https://lore.kernel.org/r/20210723211452.27995-2-s.shravan@intel.com
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
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Document the retain-state-shutdown property that indicates that a LED
should not be turned off or changed during system shutdown.
Signed-off-by: Eddie James <eajames@linux.ibm.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Pavel Machek <pavel@ucw.cz>
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We have a list of valid functions, but LED names in sysfs are still
far from being consistent. Create list of "well known" LED names so we
nudge people towards using same LED names (except color) for same
functionality.
Signed-off-by: Pavel Machek <pavel@ucw.cz>
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Add tracepoints to log QoS enabling/disabling/configuration for vports
and rate groups.
Signed-off-by: Dmytro Linkin <dlinkin@nvidia.com>
Reviewed-by: Huy Nguyen <huyn@nvidia.com>
Reviewed-by: Mark Bloch <mbloch@nvidia.com>
Reviewed-by: Saeed Mahameed <saeedm@nvidia.com>
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When the schema fixups are applied to 'select' the result is a single
entry is required for a match, but that will never match as there should
be 2 entries. Also, a 'select' schema should have the widest possible
match, so use 'contains' which matches the compatible string(s) in any
position and not just the first position.
Fixes: 993dcfac64eb ("dt-bindings: riscv: sifive-l2-cache: convert bindings to json-schema")
Signed-off-by: Rob Herring <robh@kernel.org>
Cc: stable@vger.kernel.org
Signed-off-by: Palmer Dabbelt <palmerdabbelt@google.com>
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drivers/ptp/Kconfig:
55c8fca1dae1 ("ptp_pch: Restore dependency on PCI")
e5f31552674e ("ethernet: fix PTP_1588_CLOCK dependencies")
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Add Documentation to help users use PCI endpoint to create virtual
functions using configfs. An endpoint function is designated as a
virtual endpoint function device when it is linked to a physical
endpoint function device (instead of a endpoint controller).
Link: https://lore.kernel.org/r/20210819123343.1951-9-kishon@ti.com
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
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Add binding to specify virtual function (associated with each physical
function) in endpoint mode.
Link: https://lore.kernel.org/r/20210819123343.1951-2-kishon@ti.com
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Reviewed-by: Rob Herring <robh@kernel.org>
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Convert the Bosch C_CAN/D_CAN controller device tree binding
documentation to json-schema.
Document missing properties.
Remove "ti,hwmods" as it is no longer used in TI dts.
Make "clocks" required as it is used in all dts.
Update the examples.
Link: https://lore.kernel.org/r/20210805192750.9051-1-dariobin@libero.it
Signed-off-by: Dario Binacchi <dariobin@libero.it>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
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Add CANFD binding documentation for Renesas RZ/G2L SoC.
Link: https://lore.kernel.org/r/20210727133022.634-2-prabhakar.mahadev-lad.rj@bp.renesas.com
Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Reviewed-by: Biju Das <biju.das.jz@bp.renesas.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
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Enable termination-* binding and provide validation example for it.
Link: https://lore.kernel.org/r/20210818071232.20585-3-o.rempel@pengutronix.de
Signed-off-by: Oleksij Rempel <o.rempel@pengutronix.de>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
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Some boards provide GPIO controllable termination resistor. Provide
binding to make use of it.
Link: https://lore.kernel.org/r/20210818071232.20585-2-o.rempel@pengutronix.de
Signed-off-by: Oleksij Rempel <o.rempel@pengutronix.de>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
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The commit 8950dcd83ae7d ("iommu/vt-d: Leave scalable mode default off")
leaves the scalable mode default off and end users could turn it on with
"intel_iommu=sm_on". Using the Intel IOMMU scalable mode for kernel DMA,
user-level device access and Shared Virtual Address have been enabled.
This enables the scalable mode by default if the hardware advertises the
support and adds kernel options of "intel_iommu=sm_on/sm_off" for end
users to configure it through the kernel parameters.
Suggested-by: Ashok Raj <ashok.raj@intel.com>
Suggested-by: Sanjay Kumar <sanjay.k.kumar@intel.com>
Signed-off-by: Lu Baolu <baolu.lu@linux.intel.com>
Cc: Kevin Tian <kevin.tian@intel.com>
Link: https://lore.kernel.org/r/20210720013856.4143880-1-baolu.lu@linux.intel.com
Link: https://lore.kernel.org/r/20210818134852.1847070-5-baolu.lu@linux.intel.com
Signed-off-by: Joerg Roedel <jroedel@suse.de>
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With the removal of the legacy IDE driver in kb7fb14d3ac63 ("ide: remove
the legacy ide driver"), this crashpoint no longer points to a valid
function.
Acked-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Kevin Mitchell <kevmitch@arista.com>
Link: https://lore.kernel.org/r/20210819022940.561875-3-kevmitch@arista.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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When scsi_dispatch_cmd was moved to scsi_lib.c and made static, some
compilers (i.e., at least gcc 8.4.0) decided to compile this
inline. This is a problem for lkdtm.ko, which inserted a kprobe
on this function for the SCSI_DISPATCH_CMD crashpoint.
Move this crashpoint one function up the call chain to
scsi_queue_rq. Though this is also a static function, it should never be
inlined because it is assigned as a structure entry. Therefore,
kprobe_register should always be able to find it.
Fixes: 82042a2cdb55 ("scsi: move scsi_dispatch_cmd to scsi_lib.c")
Acked-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Kevin Mitchell <kevmitch@arista.com>
Link: https://lore.kernel.org/r/20210819022940.561875-2-kevmitch@arista.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Add "reset_method" sysfs attribute to enable user to query and set
preferred device reset methods and their ordering.
[bhelgaas: on invalid sysfs input, return error and preserve previous
config, as in earlier patch versions]
Co-developed-by: Alex Williamson <alex.williamson@redhat.com>
Link: https://lore.kernel.org/r/20210817180500.1253-6-ameynarkhede03@gmail.com
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
Signed-off-by: Amey Narkhede <ameynarkhede03@gmail.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Raphael Norwitz <raphael.norwitz@nutanix.com>
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Adds documentation for the CoreSight System configuration manager.
Link: https://lore.kernel.org/r/20210723165444.1048-11-mike.leach@linaro.org
[Fixed coresight-config.rst documentation link]
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: linux-doc@vger.kernel.org
Signed-off-by: Mike Leach <mike.leach@linaro.org>
Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>
Link: https://lore.kernel.org/r/20210818194022.379573-11-mathieu.poirier@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Add a rcu argument to the ->get_acl() callback to allow
get_cached_acl_rcu() to call the ->get_acl() method in the next patch.
Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
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irq/generic_handle_domain_irq
Merge Linus' ib-rockchip branch to avoid ugly conflicts
with the generic_handle_domain_irq rework.
Signed-off-by: Marc Zyngier <maz@kernel.org>
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The 'contains' keyword applies to elements within an array, so
using 'items' only makes sense if the elements of the array are another
array which is not the case for 'compatible' properties.
Looking at the driver, it seems the intent was the condition should be
true when 'faraday,ftpci100' is present, so we can drop
'cortina,gemini-pci'.
Fixes: 2720b991337d ("dt-bindings: PCI: ftpci100: convert faraday,ftpci100 to YAML")
Cc: Bjorn Helgaas <bhelgaas@google.com>
Cc: Linus Walleij <linus.walleij@linaro.org>
Cc: linux-pci@vger.kernel.org
Signed-off-by: Rob Herring <robh@kernel.org>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Link: https://lore.kernel.org/r/20210817174743.541353-1-robh@kernel.org
Signed-off-by: Rob Herring <robh@kernel.org>
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Convert Texas Instruments da8xx DDR2/mDDR memory controller bindings to
DT schema format using json-schema.
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
Link: https://lore.kernel.org/r/20210818113248.85084-1-krzysztof.kozlowski@canonical.com
Signed-off-by: Rob Herring <robh@kernel.org>
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Convert Synopsys IntelliDDR Multi Protocol memory controller (present in
Xilinx Zynq and ZynqMP) bindings to DT schema format using json-schema.
New binding contains copied parts of description from previous binding
document, therefore the license is set as GPL-2.0-only.
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
Link: https://lore.kernel.org/r/20210818113139.84869-1-krzysztof.kozlowski@canonical.com
Signed-off-by: Rob Herring <robh@kernel.org>
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Convert Marvell MVEBU SDRAM controller bindings to DT schema format
using json-schema.
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
Link: https://lore.kernel.org/r/20210817093807.59531-1-krzysztof.kozlowski@canonical.com
Signed-off-by: Rob Herring <robh@kernel.org>
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Convert Broadcom DDR PHY Front End (DPFE) bindings to DT schema format
using json-schema.
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
Acked-by: Markus Mayer <mmayer@broadcom.com>
Link: https://lore.kernel.org/r/20210817080617.14503-1-krzysztof.kozlowski@canonical.com
Signed-off-by: Rob Herring <robh@kernel.org>
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Add dt binding documentation to describe Qualcomm
Limits Management Hardware node.
Signed-off-by: Thara Gopinath <thara.gopinath@linaro.org>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Link: https://lore.kernel.org/r/20210809191605.3742979-8-thara.gopinath@linaro.org
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This patch renames a documentation libbpf.rst to index.rst. In order
for readthedocs.org to pick this file up and properly build the
documentation site.
It also changes the title type of the ABI subsection in the
naming convention doc. This is so that readthedocs.org doesn't treat this
section as a separate document.
Signed-off-by: Grant Seltzer <grantseltzer@gmail.com>
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Link: https://lore.kernel.org/bpf/20210818151313.49992-1-grantseltzer@gmail.com
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git://git.kernel.org/pub/scm/linux/kernel/git/qcom/linux into arm/drivers
Qualcomm driver updates for v5.15
This fixes the "shared memory state machine" (SMSM) interrupt logic to
avoid missing transitions happening while the interrupts are masked.
SM6115 support is added to smd-rpm and rpmpd.
The Qualcomm SCM firmware driver is once again made possible to compile
and load as a kernel module.
An out-of-bounds error related to the cooling devices of the AOSS driver
is corrected. The binding is converted to YAML and a generic compatible
is introduced to reduce the driver churn.
The GENI wrapper gains a helper function used in I2C and SPI for
switching the serial engine hardware to use the wrapper's DMA-engine.
Lastly it contains a number of cleanups and smaller fixes for rpmhpd,
socinfo, CPR, mdt_loader and the GENI DT binding.
* tag 'qcom-drivers-for-5.15' of git://git.kernel.org/pub/scm/linux/kernel/git/qcom/linux:
soc: qcom: smsm: Fix missed interrupts if state changes while masked
soc: qcom: smsm: Implement support for get_irqchip_state
soc: qcom: mdt_loader: be more informative on errors
dt-bindings: qcom: geni-se: document iommus
soc: qcom: smd-rpm: Add SM6115 compatible
soc: qcom: geni: Add support for gpi dma
soc: qcom: geni: move GENI_IF_DISABLE_RO to common header
PM: AVS: qcom-cpr: Use nvmem_cell_read_variable_le_u32()
drivers: soc: qcom: rpmpd: Add SM6115 RPM Power Domains
dt-bindings: power: rpmpd: Add SM6115 to rpmpd binding
dt-bindings: soc: qcom: smd-rpm: Add SM6115 compatible
soc: qcom: aoss: Fix the out of bound usage of cooling_devs
firmware: qcom_scm: Allow qcom_scm driver to be loadable as a permenent module
soc: qcom: socinfo: Don't print anything if nothing found
soc: qcom: rpmhpd: Use corner in power_off
soc: qcom: aoss: Add generic compatible
dt-bindings: soc: qcom: aoss: Convert to YAML
dt-bindings: soc: qcom: aoss: Add SC8180X and generic compatible
firmware: qcom_scm: remove a duplicative condition
firmware: qcom_scm: Mark string array const
Link: https://lore.kernel.org/r/20210816214840.581244-1-bjorn.andersson@linaro.org
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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Add documentation for the new device attribute file ncq_prio_supported,
and its SAS HBA equivalent sas_ncq_prio_supported.
Signed-off-by: Damien Le Moal <damien.lemoal@wdc.com>
Reviewed-by: Hannes Reinecke <hare@suse.de>
Link: https://lore.kernel.org/r/20210816014456.2191776-12-damien.lemoal@wdc.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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