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fahhem committed Apr 19, 2023
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8 changes: 1 addition & 7 deletions .mailmap
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Expand Up @@ -29,7 +29,6 @@ Alexandre Belloni <[email protected]> <alexandre.belloni@free-electr
Alexei Starovoitov <[email protected]> <[email protected]>
Alexei Starovoitov <[email protected]> <[email protected]>
Alexei Starovoitov <[email protected]> <[email protected]>
Alex Hung <[email protected]> <[email protected]>
Alex Shi <[email protected]> <[email protected]>
Alex Shi <[email protected]> <[email protected]>
Alex Shi <[email protected]> <[email protected]>
Expand Down Expand Up @@ -105,7 +104,6 @@ Christoph Hellwig <[email protected]>
Colin Ian King <[email protected]> <[email protected]>
Corey Minyard <[email protected]>
Damian Hobson-Garcia <[email protected]>
Dan Carpenter <[email protected]> <[email protected]>
Daniel Borkmann <[email protected]> <[email protected]>
Daniel Borkmann <[email protected]> <[email protected]>
Daniel Borkmann <[email protected]> <[email protected]>
Expand Down Expand Up @@ -355,8 +353,7 @@ Peter Oruba <[email protected]>
Pratyush Anand <[email protected]> <[email protected]>
Praveen BP <[email protected]>
Punit Agrawal <[email protected]> <[email protected]>
Qais Yousef <[email protected]> <[email protected]>
Qais Yousef <[email protected]> <[email protected]>
Qais Yousef <[email protected]> <[email protected]>
Quentin Monnet <[email protected]> <[email protected]>
Quentin Perret <[email protected]> <[email protected]>
Rafael J. Wysocki <[email protected]> <[email protected]>
Expand All @@ -383,15 +380,13 @@ Santosh Shilimkar <[email protected]>
Santosh Shilimkar <[email protected]>
Sarangdhar Joshi <[email protected]>
Sascha Hauer <[email protected]>
Satya Priya <[email protected]> <[email protected]>
S.Çağlar Onur <[email protected]>
Sean Christopherson <[email protected]> <[email protected]>
Sean Nyekjaer <[email protected]> <[email protected]>
Sebastian Reichel <[email protected]> <[email protected]>
Sebastian Reichel <[email protected]> <[email protected]>
Sedat Dilek <[email protected]> <[email protected]>
Seth Forshee <[email protected]> <[email protected]>
Shannon Nelson <[email protected]> <[email protected]>
Shiraz Hashim <[email protected]> <[email protected]>
Shuah Khan <[email protected]> <[email protected]>
Shuah Khan <[email protected]> <[email protected]>
Expand Down Expand Up @@ -419,7 +414,6 @@ TripleX Chung <[email protected]> <[email protected]>
TripleX Chung <[email protected]> <[email protected]>
Tsuneo Yoshioka <[email protected]>
Tycho Andersen <[email protected]> <[email protected]>
Tzung-Bi Shih <[email protected]> <[email protected]>
Uwe Kleine-König <[email protected]>
Uwe Kleine-König <[email protected]>
Uwe Kleine-König <[email protected]>
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9 changes: 0 additions & 9 deletions CREDITS
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Expand Up @@ -918,11 +918,6 @@ S: Ottawa, Ontario
S: K1N 6Z9
S: CANADA

N: Vivien Didelot
E: [email protected]
D: DSA framework and MV88E6XXX driver
S: Montreal, Quebec, Canada

N: Jeff Dike
E: [email protected]
W: http://user-mode-linux.sourceforge.net
Expand Down Expand Up @@ -2452,10 +2447,6 @@ S: 482 Shadowgraph Dr.
S: San Jose, CA 95110
S: USA

N: Michal Marek
E: [email protected]
D: Kbuild Maintainer 2009-2017

N: Martin Mares
E: [email protected]
W: http://www.ucw.cz/~mj/
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4 changes: 2 additions & 2 deletions Documentation/ABI/testing/sysfs-kernel-mm-memory-tiers
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Expand Up @@ -10,7 +10,7 @@ Description: A collection of all the memory tiers allocated.


What: /sys/devices/virtual/memory_tiering/memory_tierN/
/sys/devices/virtual/memory_tiering/memory_tierN/nodelist
/sys/devices/virtual/memory_tiering/memory_tierN/nodes
Date: August 2022
Contact: Linux memory management mailing list <[email protected]>
Description: Directory with details of a specific memory tier
Expand All @@ -21,5 +21,5 @@ Description: Directory with details of a specific memory tier
A smaller value of N implies a higher (faster) memory tier in the
hierarchy.

nodelist: NUMA nodes that are part of this memory tier.
nodes: NUMA nodes that are part of this memory tier.

1 change: 1 addition & 0 deletions Documentation/admin-guide/acpi/index.rst
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Expand Up @@ -9,6 +9,7 @@ the Linux ACPI support.
:maxdepth: 1

initrd_table_override
dsdt-override
ssdt-overlays
cppc_sysfs
fan_performance_states
4 changes: 0 additions & 4 deletions Documentation/admin-guide/device-mapper/verity.rst
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Expand Up @@ -141,10 +141,6 @@ root_hash_sig_key_desc <key_description>
also gain new certificates at run time if they are signed by a certificate
already in the secondary trusted keyring.

try_verify_in_tasklet
If verity hashes are in cache, verify data blocks in kernel tasklet instead
of workqueue. This option can reduce IO latency.

Theory of operation
===================

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11 changes: 0 additions & 11 deletions Documentation/admin-guide/kernel-parameters.txt
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Expand Up @@ -6959,14 +6959,3 @@
memory, and other data can't be written using
xmon commands.
off xmon is disabled.

amd_pstate= [X86]
disable
Do not enable amd_pstate as the default
scaling driver for the supported processors
passive
Use amd_pstate as a scaling driver, driver requests a
desired performance on this abstract scale and the power
management firmware translates the requests into actual
hardware states (core frequency, data fabric and memory
clocks etc.)
2 changes: 1 addition & 1 deletion Documentation/admin-guide/media/vivid.rst
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Expand Up @@ -1318,7 +1318,7 @@ instance. This setup would require the following commands:
$ v4l2-ctl -d2 -i2
$ v4l2-ctl -d2 -c horizontal_movement=4
$ v4l2-ctl -d1 --overlay=1
$ v4l2-ctl -d0 -c loop_video=1
$ v4l2-ctl -d1 -c loop_video=1
$ v4l2-ctl -d2 --stream-mmap --overlay=1
And from another console:
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30 changes: 17 additions & 13 deletions Documentation/admin-guide/pm/amd-pstate.rst
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Expand Up @@ -283,19 +283,23 @@ efficiency frequency management method on AMD processors.
Kernel Module Options for ``amd-pstate``
=========================================

Passive Mode
------------

``amd_pstate=passive``

It will be enabled if the ``amd_pstate=passive`` is passed to the kernel in the command line.
In this mode, ``amd_pstate`` driver software specifies a desired QoS target in the CPPC
performance scale as a relative number. This can be expressed as percentage of nominal
performance (infrastructure max). Below the nominal sustained performance level,
desired performance expresses the average performance level of the processor subject
to the Performance Reduction Tolerance register. Above the nominal performance level,
processor must provide at least nominal performance requested and go higher if current
operating conditions allow.
.. _shared_mem:

``shared_mem``
Use a module param (shared_mem) to enable related processors manually with
**amd_pstate.shared_mem=1**.
Due to the performance issue on the processors with `Shared Memory Support
<perf_cap_>`_, we disable it presently and will re-enable this by default
once we address performance issue with this solution.

To check whether the current processor is using `Full MSR Support <perf_cap_>`_
or `Shared Memory Support <perf_cap_>`_ : ::

ray@hr-test1:~$ lscpu | grep cppc
Flags: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 ht syscall nx mmxext fxsr_opt pdpe1gb rdtscp lm constant_tsc rep_good nopl nonstop_tsc cpuid extd_apicid aperfmperf rapl pni pclmulqdq monitor ssse3 fma cx16 sse4_1 sse4_2 x2apic movbe popcnt aes xsave avx f16c rdrand lahf_lm cmp_legacy svm extapic cr8_legacy abm sse4a misalignsse 3dnowprefetch osvw ibs skinit wdt tce topoext perfctr_core perfctr_nb bpext perfctr_llc mwaitx cpb cat_l3 cdp_l3 hw_pstate ssbd mba ibrs ibpb stibp vmmcall fsgsbase bmi1 avx2 smep bmi2 erms invpcid cqm rdt_a rdseed adx smap clflushopt clwb sha_ni xsaveopt xsavec xgetbv1 xsaves cqm_llc cqm_occup_llc cqm_mbm_total cqm_mbm_local clzero irperf xsaveerptr rdpru wbnoinvd cppc arat npt lbrv svm_lock nrip_save tsc_scale vmcb_clean flushbyasid decodeassists pausefilter pfthreshold avic v_vmsave_vmload vgif v_spec_ctrl umip pku ospke vaes vpclmulqdq rdpid overflow_recov succor smca fsrm

If the CPU flags have ``cppc``, then this processor supports `Full MSR Support
<perf_cap_>`_. Otherwise, it supports `Shared Memory Support <perf_cap_>`_.


``cpupower`` tool support for ``amd-pstate``
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8 changes: 0 additions & 8 deletions Documentation/arm64/booting.rst
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Expand Up @@ -340,14 +340,6 @@ Before jumping into the kernel, the following conditions must be met:
- SMCR_EL2.LEN must be initialised to the same value for all CPUs the
kernel will execute on.

- HWFGRTR_EL2.nTPIDR2_EL0 (bit 55) must be initialised to 0b01.

- HWFGWTR_EL2.nTPIDR2_EL0 (bit 55) must be initialised to 0b01.

- HWFGRTR_EL2.nSMPRI_EL1 (bit 54) must be initialised to 0b01.

- HWFGWTR_EL2.nSMPRI_EL1 (bit 54) must be initialised to 0b01.

For CPUs with the Scalable Matrix Extension FA64 feature (FEAT_SME_FA64)

- If EL3 is present:
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38 changes: 1 addition & 37 deletions Documentation/arm64/cpu-feature-registers.rst
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Expand Up @@ -92,7 +92,7 @@ operation if the source belongs to the supported system register space.

The infrastructure emulates only the following system register space::

Op0=3, Op1=0, CRn=0, CRm=0,2,3,4,5,6,7
Op0=3, Op1=0, CRn=0, CRm=0,4,5,6,7

(See Table C5-6 'System instruction encodings for non-Debug System
register accesses' in ARMv8 ARM DDI 0487A.h, for the list of
Expand Down Expand Up @@ -293,42 +293,6 @@ infrastructure:
| WFXT | [3-0] | y |
+------------------------------+---------+---------+

10) MVFR0_EL1 - AArch32 Media and VFP Feature Register 0

+------------------------------+---------+---------+
| Name | bits | visible |
+------------------------------+---------+---------+
| FPDP | [11-8] | y |
+------------------------------+---------+---------+

11) MVFR1_EL1 - AArch32 Media and VFP Feature Register 1

+------------------------------+---------+---------+
| Name | bits | visible |
+------------------------------+---------+---------+
| SIMDFMAC | [31-28] | y |
+------------------------------+---------+---------+
| SIMDSP | [19-16] | y |
+------------------------------+---------+---------+
| SIMDInt | [15-12] | y |
+------------------------------+---------+---------+
| SIMDLS | [11-8] | y |
+------------------------------+---------+---------+

12) ID_ISAR5_EL1 - AArch32 Instruction Set Attribute Register 5

+------------------------------+---------+---------+
| Name | bits | visible |
+------------------------------+---------+---------+
| CRC32 | [19-16] | y |
+------------------------------+---------+---------+
| SHA2 | [15-12] | y |
+------------------------------+---------+---------+
| SHA1 | [11-8] | y |
+------------------------------+---------+---------+
| AES | [7-4] | y |
+------------------------------+---------+---------+


Appendix I: Example
-------------------
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36 changes: 0 additions & 36 deletions Documentation/block/ublk.rst
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Expand Up @@ -144,42 +144,6 @@ managing and controlling ublk devices with help of several control commands:
For retrieving device info via ``ublksrv_ctrl_dev_info``. It is the server's
responsibility to save IO target specific info in userspace.

- ``UBLK_CMD_START_USER_RECOVERY``

This command is valid if ``UBLK_F_USER_RECOVERY`` feature is enabled. This
command is accepted after the old process has exited, ublk device is quiesced
and ``/dev/ublkc*`` is released. User should send this command before he starts
a new process which re-opens ``/dev/ublkc*``. When this command returns, the
ublk device is ready for the new process.

- ``UBLK_CMD_END_USER_RECOVERY``

This command is valid if ``UBLK_F_USER_RECOVERY`` feature is enabled. This
command is accepted after ublk device is quiesced and a new process has
opened ``/dev/ublkc*`` and get all ublk queues be ready. When this command
returns, ublk device is unquiesced and new I/O requests are passed to the
new process.

- user recovery feature description

Two new features are added for user recovery: ``UBLK_F_USER_RECOVERY`` and
``UBLK_F_USER_RECOVERY_REISSUE``.

With ``UBLK_F_USER_RECOVERY`` set, after one ubq_daemon(ublk server's io
handler) is dying, ublk does not delete ``/dev/ublkb*`` during the whole
recovery stage and ublk device ID is kept. It is ublk server's
responsibility to recover the device context by its own knowledge.
Requests which have not been issued to userspace are requeued. Requests
which have been issued to userspace are aborted.

With ``UBLK_F_USER_RECOVERY_REISSUE`` set, after one ubq_daemon(ublk
server's io handler) is dying, contrary to ``UBLK_F_USER_RECOVERY``,
requests which have been issued to userspace are requeued and will be
re-issued to the new process after handling ``UBLK_CMD_END_USER_RECOVERY``.
``UBLK_F_USER_RECOVERY_REISSUE`` is designed for backends who tolerate
double-write since the driver may issue the same I/O request twice. It
might be useful to a read-only FS or a VM backend.

Data plane
----------

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6 changes: 0 additions & 6 deletions Documentation/core-api/kernel-api.rst
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Expand Up @@ -118,12 +118,6 @@ Text Searching
CRC and Math Functions in Linux
===============================

Arithmetic Overflow Checking
----------------------------

.. kernel-doc:: include/linux/overflow.h
:internal:

CRC Functions
-------------

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1 change: 0 additions & 1 deletion Documentation/dev-tools/kmsan.rst
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Expand Up @@ -67,7 +67,6 @@ uninitialized in the local variable, as well as the stack where the value was
copied to another memory location before use.

A use of uninitialized value ``v`` is reported by KMSAN in the following cases:

- in a condition, e.g. ``if (v) { ... }``;
- in an indexing or pointer dereferencing, e.g. ``array[v]`` or ``*v``;
- when it is copied to userspace or hardware, e.g. ``copy_to_user(..., &v, ...)``;
Expand Down
2 changes: 1 addition & 1 deletion Documentation/devicetree/bindings/clock/samsung,exynosautov9-clock.yaml
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Expand Up @@ -148,7 +148,7 @@ allOf:
items:
- const: oscclk
- const: dout_clkcmu_fsys1_bus
- const: gout_clkcmu_fsys1_mmc_card
- const: dout_clkcmu_fsys1_mmc_card
- const: dout_clkcmu_fsys1_usbdrd

- if:
Expand Down
29 changes: 8 additions & 21 deletions Documentation/devicetree/bindings/hwlock/qcom-hwspinlock.yaml
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Expand Up @@ -15,22 +15,9 @@ description:

properties:
compatible:
oneOf:
- enum:
- qcom,sfpb-mutex
- qcom,tcsr-mutex
- items:
- enum:
- qcom,apq8084-tcsr-mutex
- qcom,ipq6018-tcsr-mutex
- qcom,msm8226-tcsr-mutex
- qcom,msm8994-tcsr-mutex
- const: qcom,tcsr-mutex
- items:
- enum:
- qcom,msm8974-tcsr-mutex
- const: qcom,tcsr-mutex
- const: syscon
enum:
- qcom,sfpb-mutex
- qcom,tcsr-mutex

reg:
maxItems: 1
Expand All @@ -47,9 +34,9 @@ additionalProperties: false

examples:
- |
hwlock@1f40000 {
compatible = "qcom,tcsr-mutex";
reg = <0x01f40000 0x40000>;
#hwlock-cells = <1>;
};
tcsr_mutex: hwlock@1f40000 {
compatible = "qcom,tcsr-mutex";
reg = <0x01f40000 0x40000>;
#hwlock-cells = <1>;
};
...
7 changes: 7 additions & 0 deletions Documentation/devicetree/bindings/iio/adc/aspeed,ast2600-adc.yaml
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Expand Up @@ -62,6 +62,13 @@ properties:
description:
Inform the driver that last channel will be used to sensor battery.

aspeed,trim-data-valid:
type: boolean
description: |
The ADC reference voltage can be calibrated to obtain the trimming
data which will be stored in otp. This property informs the driver that
the data store in the otp is valid.
required:
- compatible
- reg
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5 changes: 1 addition & 4 deletions Documentation/devicetree/bindings/input/goodix,gt7375p.yaml
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Expand Up @@ -16,11 +16,8 @@ description:

properties:
compatible:
oneOf:
items:
- const: goodix,gt7375p
- items:
- const: goodix,gt7986u
- const: goodix,gt7375p

reg:
enum:
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2 changes: 1 addition & 1 deletion Documentation/devicetree/bindings/interconnect/qcom,msm8998-bwmon.yaml
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Expand Up @@ -24,7 +24,7 @@ properties:
oneOf:
- items:
- enum:
- qcom,sc7280-cpu-bwmon
- qcom,sc7280-bwmon
- qcom,sdm845-bwmon
- const: qcom,msm8998-bwmon
- const: qcom,msm8998-bwmon # BWMON v4
Expand Down
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