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提交 ca1579f6 编写于 作者: A Al Viro
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Merge remote-tracking branch 'jl/locks-4.13' into work.misc-set_fs

上级 20dcf8e2 f7312735
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Documentation/acpi/acpi-lid.txt
浏览文件 @ ca1579f6
......@@ -59,20 +59,28 @@ button driver uses the following 3 modes in order not to trigger issues.
If the userspace hasn't been prepared to ignore the unreliable "opened"
events and the unreliable initial state notification, Linux users can use
the following kernel parameters to handle the possible issues:
A. button.lid_init_state=open:
A. button.lid_init_state=method:
When this option is specified, the ACPI button driver reports the
initial lid state using the returning value of the _LID control method
and whether the "opened"/"closed" events are paired fully relies on the
firmware implementation.
This option can be used to fix some platforms where the returning value
of the _LID control method is reliable but the initial lid state
notification is missing.
This option is the default behavior during the period the userspace
isn't ready to handle the buggy AML tables.
B. button.lid_init_state=open:
When this option is specified, the ACPI button driver always reports the
initial lid state as "opened" and whether the "opened"/"closed" events
are paired fully relies on the firmware implementation.
This may fix some platforms where the returning value of the _LID
control method is not reliable and the initial lid state notification is
missing.
This option is the default behavior during the period the userspace
isn't ready to handle the buggy AML tables.
If the userspace has been prepared to ignore the unreliable "opened" events
and the unreliable initial state notification, Linux users should always
use the following kernel parameter:
B. button.lid_init_state=ignore:
C. button.lid_init_state=ignore:
When this option is specified, the ACPI button driver never reports the
initial lid state and there is a compensation mechanism implemented to
ensure that the reliable "closed" notifications can always be delievered
......
Documentation/admin-guide/pm/cpufreq.rst
浏览文件 @ ca1579f6
.. |struct cpufreq_policy| replace:: :c:type:`struct cpufreq_policy <cpufreq_policy>`
.. |intel_pstate| replace:: :doc:`intel_pstate <intel_pstate>`
=======================
CPU Performance Scaling
......@@ -75,7 +76,7 @@ feedback registers, as that information is typically specific to the hardware
interface it comes from and may not be easily represented in an abstract,
platform-independent way. For this reason, ``CPUFreq`` allows scaling drivers
to bypass the governor layer and implement their own performance scaling
algorithms. That is done by the ``intel_pstate`` scaling driver.
algorithms. That is done by the |intel_pstate| scaling driver.
``CPUFreq`` Policy Objects
......@@ -174,13 +175,13 @@ necessary to restart the scaling governor so that it can take the new online CPU
into account. That is achieved by invoking the governor's ``->stop`` and
``->start()`` callbacks, in this order, for the entire policy.
As mentioned before, the ``intel_pstate`` scaling driver bypasses the scaling
As mentioned before, the |intel_pstate| scaling driver bypasses the scaling
governor layer of ``CPUFreq`` and provides its own P-state selection algorithms.
Consequently, if ``intel_pstate`` is used, scaling governors are not attached to
Consequently, if |intel_pstate| is used, scaling governors are not attached to
new policy objects. Instead, the driver's ``->setpolicy()`` callback is invoked
to register per-CPU utilization update callbacks for each policy. These
callbacks are invoked by the CPU scheduler in the same way as for scaling
governors, but in the ``intel_pstate`` case they both determine the P-state to
governors, but in the |intel_pstate| case they both determine the P-state to
use and change the hardware configuration accordingly in one go from scheduler
context.
......@@ -257,7 +258,7 @@ are the following:
``scaling_available_governors``
List of ``CPUFreq`` scaling governors present in the kernel that can
be attached to this policy or (if the ``intel_pstate`` scaling driver is
be attached to this policy or (if the |intel_pstate| scaling driver is
in use) list of scaling algorithms provided by the driver that can be
applied to this policy.
......@@ -274,7 +275,7 @@ are the following:
the CPU is actually running at (due to hardware design and other
limitations).
Some scaling drivers (e.g. ``intel_pstate``) attempt to provide
Some scaling drivers (e.g. |intel_pstate|) attempt to provide
information more precisely reflecting the current CPU frequency through
this attribute, but that still may not be the exact current CPU
frequency as seen by the hardware at the moment.
......@@ -284,13 +285,13 @@ are the following:
``scaling_governor``
The scaling governor currently attached to this policy or (if the
``intel_pstate`` scaling driver is in use) the scaling algorithm
|intel_pstate| scaling driver is in use) the scaling algorithm
provided by the driver that is currently applied to this policy.
This attribute is read-write and writing to it will cause a new scaling
governor to be attached to this policy or a new scaling algorithm
provided by the scaling driver to be applied to it (in the
``intel_pstate`` case), as indicated by the string written to this
|intel_pstate| case), as indicated by the string written to this
attribute (which must be one of the names listed by the
``scaling_available_governors`` attribute described above).
......@@ -619,7 +620,7 @@ This file is located under :file:`/sys/devices/system/cpu/cpufreq/` and controls
the "boost" setting for the whole system. It is not present if the underlying
scaling driver does not support the frequency boost mechanism (or supports it,
but provides a driver-specific interface for controlling it, like
``intel_pstate``).
|intel_pstate|).
If the value in this file is 1, the frequency boost mechanism is enabled. This
means that either the hardware can be put into states in which it is able to
......
Documentation/admin-guide/pm/index.rst
浏览文件 @ ca1579f6
......@@ -6,6 +6,7 @@ Power Management
:maxdepth: 2
cpufreq
intel_pstate
.. only:: subproject and html
......
Documentation/admin-guide/pm/intel_pstate.rst 0 → 100644
浏览文件 @ ca1579f6
此差异已折叠。
Documentation/cpu-freq/intel-pstate.txt 已删除 100644 → 0
浏览文件 @ 20dcf8e2
Intel P-State driver
--------------------
This driver provides an interface to control the P-State selection for the
SandyBridge+ Intel processors.
The following document explains P-States:
http://events.linuxfoundation.org/sites/events/files/slides/LinuxConEurope_2015.pdf
As stated in the document, P-State doesn’t exactly mean a frequency. However, for
the sake of the relationship with cpufreq, P-State and frequency are used
interchangeably.
Understanding the cpufreq core governors and policies are important before
discussing more details about the Intel P-State driver. Based on what callbacks
a cpufreq driver provides to the cpufreq core, it can support two types of
drivers:
- with target_index() callback: In this mode, the drivers using cpufreq core
simply provide the minimum and maximum frequency limits and an additional
interface target_index() to set the current frequency. The cpufreq subsystem
has a number of scaling governors ("performance", "powersave", "ondemand",
etc.). Depending on which governor is in use, cpufreq core will call for
transitions to a specific frequency using target_index() callback.
- setpolicy() callback: In this mode, drivers do not provide target_index()
callback, so cpufreq core can't request a transition to a specific frequency.
The driver provides minimum and maximum frequency limits and callbacks to set a
policy. The policy in cpufreq sysfs is referred to as the "scaling governor".
The cpufreq core can request the driver to operate in any of the two policies:
"performance" and "powersave". The driver decides which frequency to use based
on the above policy selection considering minimum and maximum frequency limits.
The Intel P-State driver falls under the latter category, which implements the
setpolicy() callback. This driver decides what P-State to use based on the
requested policy from the cpufreq core. If the processor is capable of
selecting its next P-State internally, then the driver will offload this
responsibility to the processor (aka HWP: Hardware P-States). If not, the
driver implements algorithms to select the next P-State.
Since these policies are implemented in the driver, they are not same as the
cpufreq scaling governors implementation, even if they have the same name in
the cpufreq sysfs (scaling_governors). For example the "performance" policy is
similar to cpufreq’s "performance" governor, but "powersave" is completely
different than the cpufreq "powersave" governor. The strategy here is similar
to cpufreq "ondemand", where the requested P-State is related to the system load.
Sysfs Interface
In addition to the frequency-controlling interfaces provided by the cpufreq
core, the driver provides its own sysfs files to control the P-State selection.
These files have been added to /sys/devices/system/cpu/intel_pstate/.
Any changes made to these files are applicable to all CPUs (even in a
multi-package system, Refer to later section on placing "Per-CPU limits").
max_perf_pct: Limits the maximum P-State that will be requested by
the driver. It states it as a percentage of the available performance. The
available (P-State) performance may be reduced by the no_turbo
setting described below.
min_perf_pct: Limits the minimum P-State that will be requested by
the driver. It states it as a percentage of the max (non-turbo)
performance level.
no_turbo: Limits the driver to selecting P-State below the turbo
frequency range.
turbo_pct: Displays the percentage of the total performance that
is supported by hardware that is in the turbo range. This number
is independent of whether turbo has been disabled or not.
num_pstates: Displays the number of P-States that are supported
by hardware. This number is independent of whether turbo has
been disabled or not.
For example, if a system has these parameters:
Max 1 core turbo ratio: 0x21 (Max 1 core ratio is the maximum P-State)
Max non turbo ratio: 0x17
Minimum ratio : 0x08 (Here the ratio is called max efficiency ratio)
Sysfs will show :
max_perf_pct:100, which corresponds to 1 core ratio
min_perf_pct:24, max_efficiency_ratio / max 1 Core ratio
no_turbo:0, turbo is not disabled
num_pstates:26 = (max 1 Core ratio - Max Efficiency Ratio + 1)
turbo_pct:39 = (max 1 core ratio - max non turbo ratio) / num_pstates
Refer to "Intel® 64 and IA-32 Architectures Software Developer’s Manual
Volume 3: System Programming Guide" to understand ratios.
There is one more sysfs attribute in /sys/devices/system/cpu/intel_pstate/
that can be used for controlling the operation mode of the driver:
status: Three settings are possible:
"off" - The driver is not in use at this time.
"active" - The driver works as a P-state governor (default).
"passive" - The driver works as a regular cpufreq one and collaborates
with the generic cpufreq governors (it sets P-states as
requested by those governors).
The current setting is returned by reads from this attribute. Writing one
of the above strings to it changes the operation mode as indicated by that
string, if possible. If HW-managed P-states (HWP) are enabled, it is not
possible to change the driver's operation mode and attempts to write to
this attribute will fail.
cpufreq sysfs for Intel P-State
Since this driver registers with cpufreq, cpufreq sysfs is also presented.
There are some important differences, which need to be considered.
scaling_cur_freq: This displays the real frequency which was used during
the last sample period instead of what is requested. Some other cpufreq driver,
like acpi-cpufreq, displays what is requested (Some changes are on the
way to fix this for acpi-cpufreq driver). The same is true for frequencies
displayed at /proc/cpuinfo.
scaling_governor: This displays current active policy. Since each CPU has a
cpufreq sysfs, it is possible to set a scaling governor to each CPU. But this
is not possible with Intel P-States, as there is one common policy for all
CPUs. Here, the last requested policy will be applicable to all CPUs. It is
suggested that one use the cpupower utility to change policy to all CPUs at the
same time.
scaling_setspeed: This attribute can never be used with Intel P-State.
scaling_max_freq/scaling_min_freq: This interface can be used similarly to
the max_perf_pct/min_perf_pct of Intel P-State sysfs. However since frequencies
are converted to nearest possible P-State, this is prone to rounding errors.
This method is not preferred to limit performance.
affected_cpus: Not used
related_cpus: Not used
For contemporary Intel processors, the frequency is controlled by the
processor itself and the P-State exposed to software is related to
performance levels. The idea that frequency can be set to a single
frequency is fictional for Intel Core processors. Even if the scaling
driver selects a single P-State, the actual frequency the processor
will run at is selected by the processor itself.
Per-CPU limits
The kernel command line option "intel_pstate=per_cpu_perf_limits" forces
the intel_pstate driver to use per-CPU performance limits. When it is set,
the sysfs control interface described above is subject to limitations.
- The following controls are not available for both read and write
/sys/devices/system/cpu/intel_pstate/max_perf_pct
/sys/devices/system/cpu/intel_pstate/min_perf_pct
- The following controls can be used to set performance limits, as far as the
architecture of the processor permits:
/sys/devices/system/cpu/cpu*/cpufreq/scaling_max_freq
/sys/devices/system/cpu/cpu*/cpufreq/scaling_min_freq
/sys/devices/system/cpu/cpu*/cpufreq/scaling_governor
- User can still observe turbo percent and number of P-States from
/sys/devices/system/cpu/intel_pstate/turbo_pct
/sys/devices/system/cpu/intel_pstate/num_pstates
- User can read write system wide turbo status
/sys/devices/system/cpu/no_turbo
Support of energy performance hints
It is possible to provide hints to the HWP algorithms in the processor
to be more performance centric to more energy centric. When the driver
is using HWP, two additional cpufreq sysfs attributes are presented for
each logical CPU.
These attributes are:
- energy_performance_available_preferences
- energy_performance_preference
To get list of supported hints:
$ cat energy_performance_available_preferences
default performance balance_performance balance_power power
The current preference can be read or changed via cpufreq sysfs
attribute "energy_performance_preference". Reading from this attribute
will display current effective setting. User can write any of the valid
preference string to this attribute. User can always restore to power-on
default by writing "default".
Since threads can migrate to different CPUs, this is possible that the
new CPU may have different energy performance preference than the previous
one. To avoid such issues, either threads can be pinned to specific CPUs
or set the same energy performance preference value to all CPUs.
Tuning Intel P-State driver
When the performance can be tuned using PID (Proportional Integral
Derivative) controller, debugfs files are provided for adjusting performance.
They are presented under:
/sys/kernel/debug/pstate_snb/
The PID tunable parameters are:
deadband
d_gain_pct
i_gain_pct
p_gain_pct
sample_rate_ms
setpoint
To adjust these parameters, some understanding of driver implementation is
necessary. There are some tweeks described here, but be very careful. Adjusting
them requires expert level understanding of power and performance relationship.
These limits are only useful when the "powersave" policy is active.
-To make the system more responsive to load changes, sample_rate_ms can
be adjusted (current default is 10ms).
-To make the system use higher performance, even if the load is lower, setpoint
can be adjusted to a lower number. This will also lead to faster ramp up time
to reach the maximum P-State.
If there are no derivative and integral coefficients, The next P-State will be
equal to:
current P-State - ((setpoint - current cpu load) * p_gain_pct)
For example, if the current PID parameters are (Which are defaults for the core
processors like SandyBridge):
deadband = 0
d_gain_pct = 0
i_gain_pct = 0
p_gain_pct = 20
sample_rate_ms = 10
setpoint = 97
If the current P-State = 0x08 and current load = 100, this will result in the
next P-State = 0x08 - ((97 - 100) * 0.2) = 8.6 (rounded to 9). Here the P-State
goes up by only 1. If during next sample interval the current load doesn't
change and still 100, then P-State goes up by one again. This process will
continue as long as the load is more than the setpoint until the maximum P-State
is reached.
For the same load at setpoint = 60, this will result in the next P-State
= 0x08 - ((60 - 100) * 0.2) = 16
So by changing the setpoint from 97 to 60, there is an increase of the
next P-State from 9 to 16. So this will make processor execute at higher
P-State for the same CPU load. If the load continues to be more than the
setpoint during next sample intervals, then P-State will go up again till the
maximum P-State is reached. But the ramp up time to reach the maximum P-State
will be much faster when the setpoint is 60 compared to 97.
Debugging Intel P-State driver
Event tracing
To debug P-State transition, the Linux event tracing interface can be used.
There are two specific events, which can be enabled (Provided the kernel
configs related to event tracing are enabled).
# cd /sys/kernel/debug/tracing/
# echo 1 > events/power/pstate_sample/enable
# echo 1 > events/power/cpu_frequency/enable
# cat trace
gnome-terminal--4510 [001] ..s. 1177.680733: pstate_sample: core_busy=107
scaled=94 from=26 to=26 mperf=1143818 aperf=1230607 tsc=29838618
freq=2474476
cat-5235 [002] ..s. 1177.681723: cpu_frequency: state=2900000 cpu_id=2
Using ftrace
If function level tracing is required, the Linux ftrace interface can be used.
For example if we want to check how often a function to set a P-State is
called, we can set ftrace filter to intel_pstate_set_pstate.
# cd /sys/kernel/debug/tracing/
# cat available_filter_functions | grep -i pstate
intel_pstate_set_pstate
intel_pstate_cpu_init
...
# echo intel_pstate_set_pstate > set_ftrace_filter
# echo function > current_tracer
# cat trace | head -15
# tracer: function
#
# entries-in-buffer/entries-written: 80/80 #P:4
#
# _-----=> irqs-off
# / _----=> need-resched
# | / _---=> hardirq/softirq
# || / _--=> preempt-depth
# ||| / delay
# TASK-PID CPU# |||| TIMESTAMP FUNCTION
# | | | |||| | |
Xorg-3129 [000] ..s. 2537.644844: intel_pstate_set_pstate <-intel_pstate_timer_func
gnome-terminal--4510 [002] ..s. 2537.649844: intel_pstate_set_pstate <-intel_pstate_timer_func
gnome-shell-3409 [001] ..s. 2537.650850: intel_pstate_set_pstate <-intel_pstate_timer_func
<idle>-0 [000] ..s. 2537.654843: intel_pstate_set_pstate <-intel_pstate_timer_func
Documentation/devicetree/bindings/input/touchscreen/edt-ft5x06.txt
浏览文件 @ ca1579f6
......@@ -36,7 +36,7 @@ Optional properties:
control gpios
- threshold: allows setting the "click"-threshold in the range
from 20 to 80.
from 0 to 80.
- gain: allows setting the sensitivity in the range from 0 to
31. Note that lower values indicate higher
......
Documentation/devicetree/bindings/mfd/hisilicon,hi655x.txt
浏览文件 @ ca1579f6
......@@ -16,6 +16,11 @@ Required properties:
- reg: Base address of PMIC on Hi6220 SoC.
- interrupt-controller: Hi655x has internal IRQs (has own IRQ domain).
- pmic-gpios: The GPIO used by PMIC IRQ.
- #clock-cells: From common clock binding; shall be set to 0
Optional properties:
- clock-output-names: From common clock binding to override the
default output clock name
Example:
pmic: pmic@f8000000 {
......@@ -24,4 +29,5 @@ Example:
interrupt-controller;
#interrupt-cells = <2>;
pmic-gpios = <&gpio1 2 GPIO_ACTIVE_HIGH>;
#clock-cells = <0>;
}
Documentation/devicetree/bindings/mmc/mmc-pwrseq-simple.txt
浏览文件 @ ca1579f6
......@@ -18,6 +18,8 @@ Optional properties:
"ext_clock" (External clock provided to the card).
- post-power-on-delay-ms : Delay in ms after powering the card and
de-asserting the reset-gpios (if any)
- power-off-delay-us : Delay in us after asserting the reset-gpios (if any)
during power off of the card.
Example:
......
Documentation/devicetree/bindings/net/fsl-fec.txt
浏览文件 @ ca1579f6
......@@ -15,6 +15,10 @@ Optional properties:
- phy-reset-active-high : If present then the reset sequence using the GPIO
specified in the "phy-reset-gpios" property is reversed (H=reset state,
L=operation state).
- phy-reset-post-delay : Post reset delay in milliseconds. If present then
a delay of phy-reset-post-delay milliseconds will be observed after the
phy-reset-gpios has been toggled. Can be omitted thus no delay is
observed. Delay is in range of 1ms to 1000ms. Other delays are invalid.
- phy-supply : regulator that powers the Ethernet PHY.
- phy-handle : phandle to the PHY device connected to this device.
- fixed-link : Assume a fixed link. See fixed-link.txt in the same directory.
......
Documentation/devicetree/bindings/staging/ion/hi6220-ion.txt 已删除 100644 → 0
浏览文件 @ 20dcf8e2
Hi6220 SoC ION
===================================================================
Required properties:
- compatible : "hisilicon,hi6220-ion"
- list of the ION heaps
- heap name : maybe heap_sys_user@0
- heap id : id should be unique in the system.
- heap base : base ddr address of the heap,0 means that
it is dynamic.
- heap size : memory size and 0 means it is dynamic.
- heap type : the heap type of the heap, please also
see the define in ion.h(drivers/staging/android/uapi/ion.h)
-------------------------------------------------------------------
Example:
hi6220-ion {
compatible = "hisilicon,hi6220-ion";
heap_sys_user@0 {
heap-name = "sys_user";
heap-id = <0x0>;
heap-base = <0x0>;
heap-size = <0x0>;
heap-type = "ion_system";
};
heap_sys_contig@0 {
heap-name = "sys_contig";
heap-id = <0x1>;
heap-base = <0x0>;
heap-size = <0x0>;
heap-type = "ion_system_contig";
};
};
Documentation/input/devices/edt-ft5x06.rst
浏览文件 @ ca1579f6
......@@ -15,7 +15,7 @@ It has been tested with the following devices:
The driver allows configuration of the touch screen via a set of sysfs files:
/sys/class/input/eventX/device/device/threshold:
allows setting the "click"-threshold in the range from 20 to 80.
allows setting the "click"-threshold in the range from 0 to 80.
/sys/class/input/eventX/device/device/gain:
allows setting the sensitivity in the range from 0 to 31. Note that
......
Documentation/sound/hd-audio/models.rst
浏览文件 @ ca1579f6
......@@ -16,6 +16,8 @@ ALC880
6-jack in back, 2-jack in front
6stack-digout
6-jack with a SPDIF out
6stack-automute
6-jack with headphone jack detection
ALC260
======
......@@ -62,6 +64,8 @@ lenovo-dock
Enables docking station I/O for some Lenovos
hp-gpio-led
GPIO LED support on HP laptops
hp-dock-gpio-mic1-led
HP dock with mic LED support
dell-headset-multi
Headset jack, which can also be used as mic-in
dell-headset-dock
......@@ -72,6 +76,12 @@ alc283-sense-combo
Combo jack sensing on ALC283
tpt440-dock
Pin configs for Lenovo Thinkpad Dock support
tpt440
Lenovo Thinkpad T440s setup
tpt460
Lenovo Thinkpad T460/560 setup
dual-codecs
Lenovo laptops with dual codecs
ALC66x/67x/892
==============
......@@ -97,6 +107,8 @@ inv-dmic
Inverted internal mic workaround
dell-headset-multi
Headset jack, which can also be used as mic-in
dual-codecs
Lenovo laptops with dual codecs
ALC680
======
......@@ -114,6 +126,8 @@ inv-dmic
Inverted internal mic workaround
no-primary-hp
VAIO Z/VGC-LN51JGB workaround (for fixed speaker DAC)
dual-codecs
ALC1220 dual codecs for Gaming mobos
ALC861/660
==========
......@@ -206,65 +220,47 @@ auto
Conexant 5045
=============
laptop-hpsense
Laptop with HP sense (old model laptop)
laptop-micsense
Laptop with Mic sense (old model fujitsu)
laptop-hpmicsense
Laptop with HP and Mic senses
benq
Benq R55E
laptop-hp530
HP 530 laptop
test
for testing/debugging purpose, almost all controls can be
adjusted. Appearing only when compiled with $CONFIG_SND_DEBUG=y
cap-mix-amp
Fix max input level on mixer widget
toshiba-p105
Toshiba P105 quirk
hp-530
HP 530 quirk
Conexant 5047
=============
laptop
Basic Laptop config
laptop-hp
Laptop config for some HP models (subdevice 30A5)
laptop-eapd
Laptop config with EAPD support
test
for testing/debugging purpose, almost all controls can be
adjusted. Appearing only when compiled with $CONFIG_SND_DEBUG=y
cap-mix-amp
Fix max input level on mixer widget
Conexant 5051
=============
laptop
Basic Laptop config (default)
hp
HP Spartan laptop
hp-dv6736
HP dv6736
hp-f700
HP Compaq Presario F700
ideapad
Lenovo IdeaPad laptop
toshiba
Toshiba Satellite M300
lenovo-x200
Lenovo X200 quirk
Conexant 5066
=============
laptop
Basic Laptop config (default)
hp-laptop
HP laptops, e g G60
asus
Asus K52JU, Lenovo G560
dell-laptop
Dell laptops
dell-vostro
Dell Vostro
olpc-xo-1_5
OLPC XO 1.5
ideapad
Lenovo IdeaPad U150
stereo-dmic
Workaround for inverted stereo digital mic
gpio1
Enable GPIO1 pin
headphone-mic-pin
Enable headphone mic NID 0x18 without detection
tp410
Thinkpad T400 & co quirks
thinkpad
Lenovo Thinkpad
Thinkpad mute/mic LED quirk
lemote-a1004
Lemote A1004 quirk
lemote-a1205
Lemote A1205 quirk
olpc-xo
OLPC XO quirk
mute-led-eapd
Mute LED control via EAPD
hp-dock
HP dock support
mute-led-gpio
Mute LED control via GPIO
STAC9200
========
......@@ -444,6 +440,8 @@ dell-eq
Dell desktops/laptops
alienware
Alienware M17x
asus-mobo
Pin configs for ASUS mobo with 5.1/SPDIF out
auto
BIOS setup (default)
......@@ -477,6 +475,8 @@ hp-envy-ts-bass
Pin fixup for HP Envy TS bass speaker (NID 0x10)
hp-bnb13-eq
Hardware equalizer setup for HP laptops
hp-envy-ts-bass
HP Envy TS bass support
auto
BIOS setup (default)
......@@ -496,10 +496,22 @@ auto
Cirrus Logic CS4206/4207
========================
mbp53
MacBook Pro 5,3
mbp55
MacBook Pro 5,5
imac27
IMac 27 Inch
imac27_122
iMac 12,2
apple
Generic Apple quirk
mbp101
MacBookPro 10,1
mbp81
MacBookPro 8,1
mba42
MacBookAir 4,2
auto
BIOS setup (default)
......@@ -509,6 +521,10 @@ mba6
MacBook Air 6,1 and 6,2
gpio0
Enable GPIO 0 amp
mbp11
MacBookPro 11,2
macmini
MacMini 7,1
auto
BIOS setup (default)
......
Documentation/usb/typec.rst
浏览文件 @ ca1579f6
......@@ -114,8 +114,7 @@ the details during registration. The class offers the following API for
registering/unregistering cables and their plugs:
.. kernel-doc:: drivers/usb/typec/typec.c
:functions: typec_register_cable typec_unregister_cable typec_register_plug
typec_unregister_plug
:functions: typec_register_cable typec_unregister_cable typec_register_plug typec_unregister_plug
The class will provide a handle to struct typec_cable and struct typec_plug if
the registration is successful, or NULL if it isn't.
......@@ -137,8 +136,7 @@ during connection of a partner or cable, the port driver must use the following
APIs to report it to the class:
.. kernel-doc:: drivers/usb/typec/typec.c
:functions: typec_set_data_role typec_set_pwr_role typec_set_vconn_role
typec_set_pwr_opmode
:functions: typec_set_data_role typec_set_pwr_role typec_set_vconn_role typec_set_pwr_opmode
Alternate Modes
~~~~~~~~~~~~~~~
......
Documentation/watchdog/watchdog-parameters.txt
浏览文件 @ ca1579f6
......@@ -117,7 +117,7 @@ nowayout: Watchdog cannot be stopped once started
-------------------------------------------------
iTCO_wdt:
heartbeat: Watchdog heartbeat in seconds.
(2<heartbeat<39 (TCO v1) or 613 (TCO v2), default=30)
(5<=heartbeat<=74 (TCO v1) or 1226 (TCO v2), default=30)
nowayout: Watchdog cannot be stopped once started
(default=kernel config parameter)
-------------------------------------------------
......
MAINTAINERS
浏览文件 @ ca1579f6
......@@ -846,7 +846,6 @@ M: Laura Abbott <labbott@redhat.com>
M: Sumit Semwal <sumit.semwal@linaro.org>
L: devel@driverdev.osuosl.org
S: Supported
F: Documentation/devicetree/bindings/staging/ion/
F: drivers/staging/android/ion
F: drivers/staging/android/uapi/ion.h
F: drivers/staging/android/uapi/ion_test.h
......@@ -3116,6 +3115,14 @@ F: drivers/net/ieee802154/cc2520.c
F: include/linux/spi/cc2520.h
F: Documentation/devicetree/bindings/net/ieee802154/cc2520.txt
CCREE ARM TRUSTZONE CRYPTOCELL 700 REE DRIVER
M: Gilad Ben-Yossef <gilad@benyossef.com>
L: linux-crypto@vger.kernel.org
L: driverdev-devel@linuxdriverproject.org
S: Supported
F: drivers/staging/ccree/
W: https://developer.arm.com/products/system-ip/trustzone-cryptocell/cryptocell-700-family
CEC FRAMEWORK
M: Hans Verkuil <hans.verkuil@cisco.com>
L: linux-media@vger.kernel.org
......@@ -5695,7 +5702,7 @@ M: Alex Elder <elder@kernel.org>
M: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
S: Maintained
F: drivers/staging/greybus/
L: greybus-dev@lists.linaro.org
L: greybus-dev@lists.linaro.org (moderated for non-subscribers)
GREYBUS AUDIO PROTOCOLS DRIVERS
M: Vaibhav Agarwal <vaibhav.sr@gmail.com>
......@@ -9553,10 +9560,6 @@ F: drivers/net/wireless/intersil/orinoco/
OSD LIBRARY and FILESYSTEM
M: Boaz Harrosh <ooo@electrozaur.com>
M: Benny Halevy <bhalevy@primarydata.com>
L: osd-dev@open-osd.org
W: http://open-osd.org
T: git git://git.open-osd.org/open-osd.git
S: Maintained
F: drivers/scsi/osd/
F: include/scsi/osd_*
......
Makefile
浏览文件 @ ca1579f6
VERSION = 4
PATCHLEVEL = 12
SUBLEVEL = 0
EXTRAVERSION = -rc1
EXTRAVERSION = -rc2
NAME = Fearless Coyote
# *DOCUMENTATION*
......@@ -1172,7 +1172,7 @@ headers_check_all: headers_install_all
PHONY += headers_check
headers_check: headers_install
$(Q)$(MAKE) $(hdr-inst)=include/uapi HDRCHECK=1
$(Q)$(MAKE) $(hdr-inst)=arch/$(hdr-arch)/include/uapi/ $(hdr-dst) HDRCHECK=1
$(Q)$(MAKE) $(hdr-inst)=arch/$(hdr-arch)/include/uapi $(hdr-dst) HDRCHECK=1
# ---------------------------------------------------------------------------
# Kernel selftest
......
arch/alpha/kernel/osf_sys.c
浏览文件 @ ca1579f6
......@@ -1201,8 +1201,10 @@ SYSCALL_DEFINE4(osf_wait4, pid_t, pid, int __user *, ustatus, int, options,
if (!access_ok(VERIFY_WRITE, ur, sizeof(*ur)))
return -EFAULT;
err = 0;
err |= put_user(status, ustatus);
err = put_user(status, ustatus);
if (ret < 0)
return err ? err : ret;
err |= __put_user(r.ru_utime.tv_sec, &ur->ru_utime.tv_sec);
err |= __put_user(r.ru_utime.tv_usec, &ur->ru_utime.tv_usec);
err |= __put_user(r.ru_stime.tv_sec, &ur->ru_stime.tv_sec);
......
arch/arm/boot/dts/bcm283x-rpi-smsc9512.dtsi
浏览文件 @ ca1579f6
/ {
aliases {
ethernet = &ethernet;
ethernet0 = &ethernet;
};
};
......
arch/arm/boot/dts/bcm283x-rpi-smsc9514.dtsi
浏览文件 @ ca1579f6
/ {
aliases {
ethernet = &ethernet;
ethernet0 = &ethernet;
};
};
......
arch/arm/boot/dts/bcm283x.dtsi
浏览文件 @ ca1579f6
......@@ -198,8 +198,8 @@
brcm,pins = <0 1>;
brcm,function = <BCM2835_FSEL_ALT0>;
};
i2c0_gpio32: i2c0_gpio32 {
brcm,pins = <32 34>;
i2c0_gpio28: i2c0_gpio28 {
brcm,pins = <28 29>;
brcm,function = <BCM2835_FSEL_ALT0>;
};
i2c0_gpio44: i2c0_gpio44 {
......@@ -295,20 +295,28 @@
/* Separate from the uart0_gpio14 group
* because it conflicts with spi1_gpio16, and
* people often run uart0 on the two pins
* without flow contrl.
* without flow control.
*/
uart0_ctsrts_gpio16: uart0_ctsrts_gpio16 {
brcm,pins = <16 17>;
brcm,function = <BCM2835_FSEL_ALT3>;
};
uart0_gpio30: uart0_gpio30 {
uart0_ctsrts_gpio30: uart0_ctsrts_gpio30 {
brcm,pins = <30 31>;
brcm,function = <BCM2835_FSEL_ALT3>;
};
uart0_ctsrts_gpio32: uart0_ctsrts_gpio32 {
uart0_gpio32: uart0_gpio32 {
brcm,pins = <32 33>;
brcm,function = <BCM2835_FSEL_ALT3>;
};
uart0_gpio36: uart0_gpio36 {
brcm,pins = <36 37>;
brcm,function = <BCM2835_FSEL_ALT2>;
};
uart0_ctsrts_gpio38: uart0_ctsrts_gpio38 {
brcm,pins = <38 39>;
brcm,function = <BCM2835_FSEL_ALT2>;
};
uart1_gpio14: uart1_gpio14 {
brcm,pins = <14 15>;
......@@ -326,10 +334,6 @@
brcm,pins = <30 31>;
brcm,function = <BCM2835_FSEL_ALT5>;
};
uart1_gpio36: uart1_gpio36 {
brcm,pins = <36 37 38 39>;
brcm,function = <BCM2835_FSEL_ALT2>;
};
uart1_gpio40: uart1_gpio40 {
brcm,pins = <40 41>;
brcm,function = <BCM2835_FSEL_ALT5>;
......
arch/arm/boot/dts/dra7-evm.dts
浏览文件 @ ca1579f6
......@@ -204,6 +204,8 @@
tps659038: tps659038@58 {
compatible = "ti,tps659038";
reg = <0x58>;
ti,palmas-override-powerhold;
ti,system-power-controller;
tps659038_pmic {
compatible = "ti,tps659038-pmic";
......
arch/arm/boot/dts/dra7.dtsi
浏览文件 @ ca1579f6
......@@ -2017,4 +2017,8 @@
coefficients = <0 2000>;
};
&cpu_crit {
temperature = <120000>; /* milli Celsius */
};
/include/ "dra7xx-clocks.dtsi"
arch/arm/boot/dts/imx53-qsrb.dts
浏览文件 @ ca1579f6
......@@ -23,7 +23,7 @@
imx53-qsrb {
pinctrl_pmic: pmicgrp {
fsl,pins = <
MX53_PAD_CSI0_DAT5__GPIO5_23 0x1e4 /* IRQ */
MX53_PAD_CSI0_DAT5__GPIO5_23 0x1c4 /* IRQ */
>;
};
};
......
arch/arm/boot/dts/imx6sx-sdb.dts
浏览文件 @ ca1579f6
......@@ -12,23 +12,6 @@
model = "Freescale i.MX6 SoloX SDB RevB Board";
};
&cpu0 {
operating-points = <
/* kHz uV */
996000 1250000
792000 1175000
396000 1175000
198000 1175000
>;
fsl,soc-operating-points = <
/* ARM kHz SOC uV */
996000 1250000
792000 1175000
396000 1175000
198000 1175000
>;
};
&i2c1 {
clock-frequency = <100000>;
pinctrl-names = "default";
......
arch/arm/boot/dts/include/arm 已删除 120000 → 0
浏览文件 @ 20dcf8e2
..
\ No newline at end of file
arch/arm/boot/dts/include/arm64 已删除 120000 → 0
浏览文件 @ 20dcf8e2
../../../../arm64/boot/dts
\ No newline at end of file
arch/arm/boot/dts/include/dt-bindings 已删除 120000 → 0
浏览文件 @ 20dcf8e2
../../../../../include/dt-bindings
\ No newline at end of file
arch/arm/boot/dts/logicpd-torpedo-37xx-devkit.dts
浏览文件 @ ca1579f6
......@@ -249,9 +249,9 @@
OMAP3_CORE1_IOPAD(0x2110, PIN_INPUT | MUX_MODE0) /* cam_xclka.cam_xclka */
OMAP3_CORE1_IOPAD(0x2112, PIN_INPUT | MUX_MODE0) /* cam_pclk.cam_pclk */
OMAP3_CORE1_IOPAD(0x2114, PIN_INPUT | MUX_MODE0) /* cam_d0.cam_d0 */
OMAP3_CORE1_IOPAD(0x2116, PIN_INPUT | MUX_MODE0) /* cam_d1.cam_d1 */
OMAP3_CORE1_IOPAD(0x2118, PIN_INPUT | MUX_MODE0) /* cam_d2.cam_d2 */
OMAP3_CORE1_IOPAD(0x2116, PIN_INPUT | MUX_MODE0) /* cam_d0.cam_d0 */
OMAP3_CORE1_IOPAD(0x2118, PIN_INPUT | MUX_MODE0) /* cam_d1.cam_d1 */
OMAP3_CORE1_IOPAD(0x211a, PIN_INPUT | MUX_MODE0) /* cam_d2.cam_d2 */
OMAP3_CORE1_IOPAD(0x211c, PIN_INPUT | MUX_MODE0) /* cam_d3.cam_d3 */
OMAP3_CORE1_IOPAD(0x211e, PIN_INPUT | MUX_MODE0) /* cam_d4.cam_d4 */
OMAP3_CORE1_IOPAD(0x2120, PIN_INPUT | MUX_MODE0) /* cam_d5.cam_d5 */
......
arch/arm/boot/dts/mt7623.dtsi
浏览文件 @ ca1579f6
......@@ -72,6 +72,8 @@
<GIC_PPI 14 (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_HIGH)>,
<GIC_PPI 11 (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_HIGH)>,
<GIC_PPI 10 (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_HIGH)>;
clock-frequency = <13000000>;
arm,cpu-registers-not-fw-configured;
};
watchdog: watchdog@10007000 {
......
arch/arm/boot/dts/omap3-gta04.dtsi
浏览文件 @ ca1579f6
......@@ -55,7 +55,8 @@
simple-audio-card,bitclock-master = <&telephony_link_master>;
simple-audio-card,frame-master = <&telephony_link_master>;
simple-audio-card,format = "i2s";
simple-audio-card,bitclock-inversion;
simple-audio-card,frame-inversion;
simple-audio-card,cpu {
sound-dai = <&mcbsp4>;
};
......
arch/arm/boot/dts/omap4-panda-a4.dts
浏览文件 @ ca1579f6
......@@ -13,7 +13,7 @@
/* Pandaboard Rev A4+ have external pullups on SCL & SDA */
&dss_hdmi_pins {
pinctrl-single,pins = <
OMAP4_IOPAD(0x09a, PIN_INPUT_PULLUP | MUX_MODE0) /* hdmi_cec.hdmi_cec */
OMAP4_IOPAD(0x09a, PIN_INPUT | MUX_MODE0) /* hdmi_cec.hdmi_cec */
OMAP4_IOPAD(0x09c, PIN_INPUT | MUX_MODE0) /* hdmi_scl.hdmi_scl */
OMAP4_IOPAD(0x09e, PIN_INPUT | MUX_MODE0) /* hdmi_sda.hdmi_sda */
>;
......
arch/arm/boot/dts/omap4-panda-es.dts
浏览文件 @ ca1579f6
......@@ -34,7 +34,7 @@
/* PandaboardES has external pullups on SCL & SDA */
&dss_hdmi_pins {
pinctrl-single,pins = <
OMAP4_IOPAD(0x09a, PIN_INPUT_PULLUP | MUX_MODE0) /* hdmi_cec.hdmi_cec */
OMAP4_IOPAD(0x09a, PIN_INPUT | MUX_MODE0) /* hdmi_cec.hdmi_cec */
OMAP4_IOPAD(0x09c, PIN_INPUT | MUX_MODE0) /* hdmi_scl.hdmi_scl */
OMAP4_IOPAD(0x09e, PIN_INPUT | MUX_MODE0) /* hdmi_sda.hdmi_sda */
>;
......
arch/arm/configs/gemini_defconfig 0 → 100644
浏览文件 @ ca1579f6
# CONFIG_LOCALVERSION_AUTO is not set
CONFIG_SYSVIPC=y
CONFIG_NO_HZ_IDLE=y
CONFIG_BSD_PROCESS_ACCT=y
CONFIG_USER_NS=y
CONFIG_RELAY=y
CONFIG_BLK_DEV_INITRD=y
CONFIG_PARTITION_ADVANCED=y
CONFIG_ARCH_MULTI_V4=y
# CONFIG_ARCH_MULTI_V7 is not set
CONFIG_ARCH_GEMINI=y
CONFIG_PCI=y
CONFIG_PREEMPT=y
CONFIG_AEABI=y
CONFIG_CMDLINE="console=ttyS0,115200n8"
CONFIG_KEXEC=y
CONFIG_BINFMT_MISC=y
CONFIG_PM=y
CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
CONFIG_DEVTMPFS=y
CONFIG_MTD=y
CONFIG_MTD_BLOCK=y
CONFIG_MTD_CFI=y
CONFIG_MTD_CFI_INTELEXT=y
CONFIG_MTD_CFI_AMDSTD=y
CONFIG_MTD_CFI_STAA=y
CONFIG_MTD_PHYSMAP=y
CONFIG_MTD_PHYSMAP_OF=y
CONFIG_BLK_DEV_RAM=y
CONFIG_BLK_DEV_RAM_SIZE=16384
# CONFIG_SCSI_PROC_FS is not set
CONFIG_BLK_DEV_SD=y
# CONFIG_SCSI_LOWLEVEL is not set
CONFIG_ATA=y
CONFIG_INPUT_EVDEV=y
CONFIG_KEYBOARD_GPIO=y
# CONFIG_INPUT_MOUSE is not set
# CONFIG_LEGACY_PTYS is not set
CONFIG_SERIAL_8250=y
CONFIG_SERIAL_8250_CONSOLE=y
CONFIG_SERIAL_8250_NR_UARTS=1
CONFIG_SERIAL_8250_RUNTIME_UARTS=1
CONFIG_SERIAL_OF_PLATFORM=y
# CONFIG_HW_RANDOM is not set
# CONFIG_HWMON is not set
CONFIG_WATCHDOG=y
CONFIG_GEMINI_WATCHDOG=y
CONFIG_USB=y
CONFIG_USB_MON=y
CONFIG_USB_FOTG210_HCD=y
CONFIG_USB_STORAGE=y
CONFIG_NEW_LEDS=y
CONFIG_LEDS_CLASS=y
CONFIG_LEDS_GPIO=y
CONFIG_LEDS_TRIGGERS=y
CONFIG_LEDS_TRIGGER_HEARTBEAT=y
CONFIG_RTC_CLASS=y
CONFIG_RTC_DRV_GEMINI=y
CONFIG_DMADEVICES=y
# CONFIG_DNOTIFY is not set
CONFIG_TMPFS=y
CONFIG_TMPFS_POSIX_ACL=y
CONFIG_ROMFS_FS=y
CONFIG_NLS_CODEPAGE_437=y
CONFIG_NLS_ISO8859_1=y
# CONFIG_ENABLE_WARN_DEPRECATED is not set
# CONFIG_ENABLE_MUST_CHECK is not set
CONFIG_DEBUG_FS=y
arch/arm/include/asm/kvm_coproc.h
浏览文件 @ ca1579f6
......@@ -31,7 +31,8 @@ void kvm_register_target_coproc_table(struct kvm_coproc_target_table *table);
int kvm_handle_cp10_id(struct kvm_vcpu *vcpu, struct kvm_run *run);
int kvm_handle_cp_0_13_access(struct kvm_vcpu *vcpu, struct kvm_run *run);
int kvm_handle_cp14_load_store(struct kvm_vcpu *vcpu, struct kvm_run *run);
int kvm_handle_cp14_access(struct kvm_vcpu *vcpu, struct kvm_run *run);
int kvm_handle_cp14_32(struct kvm_vcpu *vcpu, struct kvm_run *run);
int kvm_handle_cp14_64(struct kvm_vcpu *vcpu, struct kvm_run *run);
int kvm_handle_cp15_32(struct kvm_vcpu *vcpu, struct kvm_run *run);
int kvm_handle_cp15_64(struct kvm_vcpu *vcpu, struct kvm_run *run);
......
arch/arm/kvm/coproc.c
浏览文件 @ ca1579f6
......@@ -32,6 +32,7 @@
#include <asm/vfp.h>
#include "../vfp/vfpinstr.h"
#define CREATE_TRACE_POINTS
#include "trace.h"
#include "coproc.h"
......@@ -111,12 +112,6 @@ int kvm_handle_cp14_load_store(struct kvm_vcpu *vcpu, struct kvm_run *run)
return 1;
}
int kvm_handle_cp14_access(struct kvm_vcpu *vcpu, struct kvm_run *run)
{
kvm_inject_undefined(vcpu);
return 1;
}
static void reset_mpidr(struct kvm_vcpu *vcpu, const struct coproc_reg *r)
{
/*
......@@ -284,7 +279,7 @@ static bool access_gic_sre(struct kvm_vcpu *vcpu,
* must always support PMCCNTR (the cycle counter): we just RAZ/WI for
* all PM registers, which doesn't crash the guest kernel at least.
*/
static bool pm_fake(struct kvm_vcpu *vcpu,
static bool trap_raz_wi(struct kvm_vcpu *vcpu,
const struct coproc_params *p,
const struct coproc_reg *r)
{
......@@ -294,19 +289,19 @@ static bool pm_fake(struct kvm_vcpu *vcpu,
return read_zero(vcpu, p);
}
#define access_pmcr pm_fake
#define access_pmcntenset pm_fake
#define access_pmcntenclr pm_fake
#define access_pmovsr pm_fake
#define access_pmselr pm_fake
#define access_pmceid0 pm_fake
#define access_pmceid1 pm_fake
#define access_pmccntr pm_fake
#define access_pmxevtyper pm_fake
#define access_pmxevcntr pm_fake
#define access_pmuserenr pm_fake
#define access_pmintenset pm_fake
#define access_pmintenclr pm_fake
#define access_pmcr trap_raz_wi
#define access_pmcntenset trap_raz_wi
#define access_pmcntenclr trap_raz_wi
#define access_pmovsr trap_raz_wi
#define access_pmselr trap_raz_wi
#define access_pmceid0 trap_raz_wi
#define access_pmceid1 trap_raz_wi
#define access_pmccntr trap_raz_wi
#define access_pmxevtyper trap_raz_wi
#define access_pmxevcntr trap_raz_wi
#define access_pmuserenr trap_raz_wi
#define access_pmintenset trap_raz_wi
#define access_pmintenclr trap_raz_wi
/* Architected CP15 registers.
* CRn denotes the primary register number, but is copied to the CRm in the
......@@ -532,12 +527,7 @@ static int emulate_cp15(struct kvm_vcpu *vcpu,
return 1;
}
/**
* kvm_handle_cp15_64 -- handles a mrrc/mcrr trap on a guest CP15 access
* @vcpu: The VCPU pointer
* @run: The kvm_run struct
*/
int kvm_handle_cp15_64(struct kvm_vcpu *vcpu, struct kvm_run *run)
static struct coproc_params decode_64bit_hsr(struct kvm_vcpu *vcpu)
{
struct coproc_params params;
......@@ -551,9 +541,38 @@ int kvm_handle_cp15_64(struct kvm_vcpu *vcpu, struct kvm_run *run)
params.Rt2 = (kvm_vcpu_get_hsr(vcpu) >> 10) & 0xf;
params.CRm = 0;
return params;
}
/**
* kvm_handle_cp15_64 -- handles a mrrc/mcrr trap on a guest CP15 access
* @vcpu: The VCPU pointer
* @run: The kvm_run struct
*/
int kvm_handle_cp15_64(struct kvm_vcpu *vcpu, struct kvm_run *run)
{
struct coproc_params params = decode_64bit_hsr(vcpu);
return emulate_cp15(vcpu, &params);
}
/**
* kvm_handle_cp14_64 -- handles a mrrc/mcrr trap on a guest CP14 access
* @vcpu: The VCPU pointer
* @run: The kvm_run struct
*/
int kvm_handle_cp14_64(struct kvm_vcpu *vcpu, struct kvm_run *run)
{
struct coproc_params params = decode_64bit_hsr(vcpu);
/* raz_wi cp14 */
trap_raz_wi(vcpu, &params, NULL);
/* handled */
kvm_skip_instr(vcpu, kvm_vcpu_trap_il_is32bit(vcpu));
return 1;
}
static void reset_coproc_regs(struct kvm_vcpu *vcpu,
const struct coproc_reg *table, size_t num)
{
......@@ -564,12 +583,7 @@ static void reset_coproc_regs(struct kvm_vcpu *vcpu,
table[i].reset(vcpu, &table[i]);
}
/**
* kvm_handle_cp15_32 -- handles a mrc/mcr trap on a guest CP15 access
* @vcpu: The VCPU pointer
* @run: The kvm_run struct
*/
int kvm_handle_cp15_32(struct kvm_vcpu *vcpu, struct kvm_run *run)
static struct coproc_params decode_32bit_hsr(struct kvm_vcpu *vcpu)
{
struct coproc_params params;
......@@ -583,9 +597,37 @@ int kvm_handle_cp15_32(struct kvm_vcpu *vcpu, struct kvm_run *run)
params.Op2 = (kvm_vcpu_get_hsr(vcpu) >> 17) & 0x7;
params.Rt2 = 0;
return params;
}
/**
* kvm_handle_cp15_32 -- handles a mrc/mcr trap on a guest CP15 access
* @vcpu: The VCPU pointer
* @run: The kvm_run struct
*/
int kvm_handle_cp15_32(struct kvm_vcpu *vcpu, struct kvm_run *run)
{
struct coproc_params params = decode_32bit_hsr(vcpu);
return emulate_cp15(vcpu, &params);
}
/**
* kvm_handle_cp14_32 -- handles a mrc/mcr trap on a guest CP14 access
* @vcpu: The VCPU pointer
* @run: The kvm_run struct
*/
int kvm_handle_cp14_32(struct kvm_vcpu *vcpu, struct kvm_run *run)
{
struct coproc_params params = decode_32bit_hsr(vcpu);
/* raz_wi cp14 */
trap_raz_wi(vcpu, &params, NULL);
/* handled */
kvm_skip_instr(vcpu, kvm_vcpu_trap_il_is32bit(vcpu));
return 1;
}
/******************************************************************************
* Userspace API
*****************************************************************************/
......
arch/arm/kvm/handle_exit.c
浏览文件 @ ca1579f6
......@@ -95,9 +95,9 @@ static exit_handle_fn arm_exit_handlers[] = {
[HSR_EC_WFI] = kvm_handle_wfx,
[HSR_EC_CP15_32] = kvm_handle_cp15_32,
[HSR_EC_CP15_64] = kvm_handle_cp15_64,
[HSR_EC_CP14_MR] = kvm_handle_cp14_access,
[HSR_EC_CP14_MR] = kvm_handle_cp14_32,
[HSR_EC_CP14_LS] = kvm_handle_cp14_load_store,
[HSR_EC_CP14_64] = kvm_handle_cp14_access,
[HSR_EC_CP14_64] = kvm_handle_cp14_64,
[HSR_EC_CP_0_13] = kvm_handle_cp_0_13_access,
[HSR_EC_CP10_ID] = kvm_handle_cp10_id,
[HSR_EC_HVC] = handle_hvc,
......
arch/arm/kvm/hyp/Makefile
浏览文件 @ ca1579f6
......@@ -2,6 +2,8 @@
# Makefile for Kernel-based Virtual Machine module, HYP part
#
ccflags-y += -fno-stack-protector
KVM=../../../../virt/kvm
obj-$(CONFIG_KVM_ARM_HOST) += $(KVM)/arm/hyp/vgic-v2-sr.o
......
arch/arm/kvm/hyp/switch.c
浏览文件 @ ca1579f6
......@@ -48,7 +48,9 @@ static void __hyp_text __activate_traps(struct kvm_vcpu *vcpu, u32 *fpexc_host)
write_sysreg(HSTR_T(15), HSTR);
write_sysreg(HCPTR_TTA | HCPTR_TCP(10) | HCPTR_TCP(11), HCPTR);
val = read_sysreg(HDCR);
write_sysreg(val | HDCR_TPM | HDCR_TPMCR, HDCR);
val |= HDCR_TPM | HDCR_TPMCR; /* trap performance monitors */
val |= HDCR_TDRA | HDCR_TDOSA | HDCR_TDA; /* trap debug regs */
write_sysreg(val, HDCR);
}
static void __hyp_text __deactivate_traps(struct kvm_vcpu *vcpu)
......
arch/arm/kvm/trace.h
浏览文件 @ ca1579f6
#if !defined(_TRACE_KVM_H) || defined(TRACE_HEADER_MULTI_READ)
#define _TRACE_KVM_H
#if !defined(_TRACE_ARM_KVM_H) || defined(TRACE_HEADER_MULTI_READ)
#define _TRACE_ARM_KVM_H
#include <linux/tracepoint.h>
......@@ -74,10 +74,10 @@ TRACE_EVENT(kvm_hvc,
__entry->vcpu_pc, __entry->r0, __entry->imm)
);
#endif /* _TRACE_KVM_H */
#endif /* _TRACE_ARM_KVM_H */
#undef TRACE_INCLUDE_PATH
#define TRACE_INCLUDE_PATH arch/arm/kvm
#define TRACE_INCLUDE_PATH .
#undef TRACE_INCLUDE_FILE
#define TRACE_INCLUDE_FILE trace
......
arch/arm/mach-at91/pm.c
浏览文件 @ ca1579f6
......@@ -335,7 +335,7 @@ static const struct ramc_info ramc_infos[] __initconst = {
{ .idle = sama5d3_ddr_standby, .memctrl = AT91_MEMCTRL_DDRSDR},
};
static const struct of_device_id const ramc_ids[] __initconst = {
static const struct of_device_id ramc_ids[] __initconst = {
{ .compatible = "atmel,at91rm9200-sdramc", .data = &ramc_infos[0] },
{ .compatible = "atmel,at91sam9260-sdramc", .data = &ramc_infos[1] },
{ .compatible = "atmel,at91sam9g45-ddramc", .data = &ramc_infos[2] },
......
arch/arm/mach-bcm/bcm_kona_smc.c
浏览文件 @ ca1579f6
......@@ -33,7 +33,7 @@ struct bcm_kona_smc_data {
unsigned result;
};
static const struct of_device_id const bcm_kona_smc_ids[] __initconst = {
static const struct of_device_id bcm_kona_smc_ids[] __initconst = {
{.compatible = "brcm,kona-smc"},
{.compatible = "bcm,kona-smc"}, /* deprecated name */
{},
......
arch/arm/mach-cns3xxx/core.c
浏览文件 @ ca1579f6
......@@ -346,7 +346,7 @@ static struct usb_ohci_pdata cns3xxx_usb_ohci_pdata = {
.power_off = csn3xxx_usb_power_off,
};
static const struct of_dev_auxdata const cns3xxx_auxdata[] __initconst = {
static const struct of_dev_auxdata cns3xxx_auxdata[] __initconst = {
{ "intel,usb-ehci", CNS3XXX_USB_BASE, "ehci-platform", &cns3xxx_usb_ehci_pdata },
{ "intel,usb-ohci", CNS3XXX_USB_OHCI_BASE, "ohci-platform", &cns3xxx_usb_ohci_pdata },
{ "cavium,cns3420-ahci", CNS3XXX_SATA2_BASE, "ahci", NULL },
......
arch/arm/mach-omap2/common.h
浏览文件 @ ca1579f6
......@@ -266,11 +266,12 @@ extern int omap4_cpu_kill(unsigned int cpu);
extern const struct smp_operations omap4_smp_ops;
#endif
extern u32 omap4_get_cpu1_ns_pa_addr(void);
#if defined(CONFIG_SMP) && defined(CONFIG_PM)
extern int omap4_mpuss_init(void);
extern int omap4_enter_lowpower(unsigned int cpu, unsigned int power_state);
extern int omap4_hotplug_cpu(unsigned int cpu, unsigned int power_state);
extern u32 omap4_get_cpu1_ns_pa_addr(void);
#else
static inline int omap4_enter_lowpower(unsigned int cpu,
unsigned int power_state)
......
arch/arm/mach-omap2/omap-mpuss-lowpower.c
浏览文件 @ ca1579f6
......@@ -213,11 +213,6 @@ static void __init save_l2x0_context(void)
{}
#endif
u32 omap4_get_cpu1_ns_pa_addr(void)
{
return old_cpu1_ns_pa_addr;
}
/**
* omap4_enter_lowpower: OMAP4 MPUSS Low Power Entry Function
* The purpose of this function is to manage low power programming
......@@ -457,6 +452,11 @@ int __init omap4_mpuss_init(void)
#endif
u32 omap4_get_cpu1_ns_pa_addr(void)
{
return old_cpu1_ns_pa_addr;
}
/*
* For kexec, we must set CPU1_WAKEUP_NS_PA_ADDR to point to
* current kernel's secondary_startup() early before
......
arch/arm/mach-omap2/omap-smp.c
浏览文件 @ ca1579f6
......@@ -306,7 +306,6 @@ static void __init omap4_smp_maybe_reset_cpu1(struct omap_smp_config *c)
cpu1_startup_pa = readl_relaxed(cfg.wakeupgen_base +
OMAP_AUX_CORE_BOOT_1);
cpu1_ns_pa_addr = omap4_get_cpu1_ns_pa_addr();
/* Did the configured secondary_startup() get overwritten? */
if (!omap4_smp_cpu1_startup_valid(cpu1_startup_pa))
......@@ -316,9 +315,13 @@ static void __init omap4_smp_maybe_reset_cpu1(struct omap_smp_config *c)
* If omap4 or 5 has NS_PA_ADDR configured, CPU1 may be in a
* deeper idle state in WFI and will wake to an invalid address.
*/
if ((soc_is_omap44xx() || soc_is_omap54xx()) &&
!omap4_smp_cpu1_startup_valid(cpu1_ns_pa_addr))
needs_reset = true;
if ((soc_is_omap44xx() || soc_is_omap54xx())) {
cpu1_ns_pa_addr = omap4_get_cpu1_ns_pa_addr();
if (!omap4_smp_cpu1_startup_valid(cpu1_ns_pa_addr))
needs_reset = true;
} else {
cpu1_ns_pa_addr = 0;
}
if (!needs_reset || !c->cpu1_rstctrl_va)
return;
......
arch/arm/mach-omap2/prm_common.c
浏览文件 @ ca1579f6
......@@ -711,7 +711,7 @@ static struct omap_prcm_init_data scrm_data __initdata = {
};
#endif
static const struct of_device_id const omap_prcm_dt_match_table[] __initconst = {
static const struct of_device_id omap_prcm_dt_match_table[] __initconst = {
#ifdef CONFIG_SOC_AM33XX
{ .compatible = "ti,am3-prcm", .data = &am3_prm_data },
#endif
......
arch/arm/mach-omap2/vc.c
浏览文件 @ ca1579f6
......@@ -559,7 +559,7 @@ struct i2c_init_data {
u8 hsscll_12;
};
static const struct i2c_init_data const omap4_i2c_timing_data[] __initconst = {
static const struct i2c_init_data omap4_i2c_timing_data[] __initconst = {
{
.load = 50,
.loadbits = 0x3,
......
arch/arm/mach-spear/time.c
浏览文件 @ ca1579f6
......@@ -204,7 +204,7 @@ static void __init spear_clockevent_init(int irq)
setup_irq(irq, &spear_timer_irq);
}
static const struct of_device_id const timer_of_match[] __initconst = {
static const struct of_device_id timer_of_match[] __initconst = {
{ .compatible = "st,spear-timer", },
{ },
};
......
arch/arm64/Kconfig.platforms
浏览文件 @ ca1579f6
......@@ -106,8 +106,13 @@ config ARCH_MVEBU
select ARMADA_AP806_SYSCON
select ARMADA_CP110_SYSCON
select ARMADA_37XX_CLK
select GPIOLIB
select GPIOLIB_IRQCHIP
select MVEBU_ODMI
select MVEBU_PIC
select OF_GPIO
select PINCTRL
select PINCTRL_ARMADA_37XX
help
This enables support for Marvell EBU familly, including:
- Armada 3700 SoC Family
......
arch/arm64/boot/dts/hisilicon/hi6220-hikey.dts
浏览文件 @ ca1579f6
......@@ -81,6 +81,45 @@
};
};
reg_sys_5v: regulator@0 {
compatible = "regulator-fixed";
regulator-name = "SYS_5V";
regulator-min-microvolt = <5000000>;
regulator-max-microvolt = <5000000>;
regulator-boot-on;
regulator-always-on;
};
reg_vdd_3v3: regulator@1 {
compatible = "regulator-fixed";
regulator-name = "VDD_3V3";
regulator-min-microvolt = <3300000>;
regulator-max-microvolt = <3300000>;
regulator-boot-on;
regulator-always-on;
vin-supply = <&reg_sys_5v>;
};
reg_5v_hub: regulator@2 {
compatible = "regulator-fixed";
regulator-name = "5V_HUB";
regulator-min-microvolt = <5000000>;
regulator-max-microvolt = <5000000>;
regulator-boot-on;
gpio = <&gpio0 7 0>;
regulator-always-on;
vin-supply = <&reg_sys_5v>;
};
wl1835_pwrseq: wl1835-pwrseq {
compatible = "mmc-pwrseq-simple";
/* WLAN_EN GPIO */
reset-gpios = <&gpio0 5 GPIO_ACTIVE_LOW>;
clocks = <&pmic>;
clock-names = "ext_clock";
power-off-delay-us = <10>;
};
soc {
spi0: spi@f7106000 {
status = "ok";
......@@ -256,11 +295,31 @@
/* GPIO blocks 16 thru 19 do not appear to be routed to pins */
dwmmc_0: dwmmc0@f723d000 {
cap-mmc-highspeed;
non-removable;
bus-width = <0x8>;
vmmc-supply = <&ldo19>;
};
dwmmc_1: dwmmc1@f723e000 {
card-detect-delay = <200>;
cap-sd-highspeed;
sd-uhs-sdr12;
sd-uhs-sdr25;
sd-uhs-sdr50;
vqmmc-supply = <&ldo7>;
vmmc-supply = <&ldo10>;
bus-width = <0x4>;
disable-wp;
cd-gpios = <&gpio1 0 1>;
};
dwmmc_2: dwmmc2@f723f000 {
ti,non-removable;
bus-width = <0x4>;
non-removable;
/* WL_EN */
vmmc-supply = <&wlan_en_reg>;
vmmc-supply = <&reg_vdd_3v3>;
mmc-pwrseq = <&wl1835_pwrseq>;
#address-cells = <0x1>;
#size-cells = <0x0>;
......@@ -272,18 +331,6 @@
interrupts = <3 IRQ_TYPE_EDGE_RISING>;
};
};
wlan_en_reg: regulator@1 {
compatible = "regulator-fixed";
regulator-name = "wlan-en-regulator";
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <1800000>;
/* WLAN_EN GPIO */
gpio = <&gpio0 5 0>;
/* WLAN card specific delay */
startup-delay-us = <70000>;
enable-active-high;
};
};
leds {
......@@ -330,6 +377,7 @@
pmic: pmic@f8000000 {
compatible = "hisilicon,hi655x-pmic";
reg = <0x0 0xf8000000 0x0 0x1000>;
#clock-cells = <0>;
interrupt-controller;
#interrupt-cells = <2>;
pmic-gpios = <&gpio1 2 GPIO_ACTIVE_HIGH>;
......
arch/arm64/boot/dts/hisilicon/hi6220.dtsi
浏览文件 @ ca1579f6
......@@ -725,20 +725,10 @@
status = "disabled";
};
fixed_5v_hub: regulator@0 {
compatible = "regulator-fixed";
regulator-name = "fixed_5v_hub";
regulator-min-microvolt = <5000000>;
regulator-max-microvolt = <5000000>;
regulator-boot-on;
gpio = <&gpio0 7 0>;
regulator-always-on;
};
usb_phy: usbphy {
compatible = "hisilicon,hi6220-usb-phy";
#phy-cells = <0>;
phy-supply = <&fixed_5v_hub>;
phy-supply = <&reg_5v_hub>;
hisilicon,peripheral-syscon = <&sys_ctrl>;
};
......@@ -766,17 +756,12 @@
dwmmc_0: dwmmc0@f723d000 {
compatible = "hisilicon,hi6220-dw-mshc";
num-slots = <0x1>;
cap-mmc-highspeed;
non-removable;
reg = <0x0 0xf723d000 0x0 0x1000>;
interrupts = <0x0 0x48 0x4>;
clocks = <&sys_ctrl 2>, <&sys_ctrl 1>;
clock-names = "ciu", "biu";
resets = <&sys_ctrl PERIPH_RSTDIS0_MMC0>;
reset-names = "reset";
bus-width = <0x8>;
vmmc-supply = <&ldo19>;
pinctrl-names = "default";
pinctrl-0 = <&emmc_pmx_func &emmc_clk_cfg_func
&emmc_cfg_func &emmc_rst_cfg_func>;
......@@ -784,13 +769,7 @@
dwmmc_1: dwmmc1@f723e000 {
compatible = "hisilicon,hi6220-dw-mshc";
num-slots = <0x1>;
card-detect-delay = <200>;
hisilicon,peripheral-syscon = <&ao_ctrl>;
cap-sd-highspeed;
sd-uhs-sdr12;
sd-uhs-sdr25;
sd-uhs-sdr50;
reg = <0x0 0xf723e000 0x0 0x1000>;
interrupts = <0x0 0x49 0x4>;
#address-cells = <0x1>;
......@@ -799,11 +778,6 @@
clock-names = "ciu", "biu";
resets = <&sys_ctrl PERIPH_RSTDIS0_MMC1>;
reset-names = "reset";
vqmmc-supply = <&ldo7>;
vmmc-supply = <&ldo10>;
bus-width = <0x4>;
disable-wp;
cd-gpios = <&gpio1 0 1>;
pinctrl-names = "default", "idle";
pinctrl-0 = <&sd_pmx_func &sd_clk_cfg_func &sd_cfg_func>;
pinctrl-1 = <&sd_pmx_idle &sd_clk_cfg_idle &sd_cfg_idle>;
......@@ -811,15 +785,12 @@
dwmmc_2: dwmmc2@f723f000 {
compatible = "hisilicon,hi6220-dw-mshc";
num-slots = <0x1>;
reg = <0x0 0xf723f000 0x0 0x1000>;
interrupts = <0x0 0x4a 0x4>;
clocks = <&sys_ctrl HI6220_MMC2_CIUCLK>, <&sys_ctrl HI6220_MMC2_CLK>;
clock-names = "ciu", "biu";
resets = <&sys_ctrl PERIPH_RSTDIS0_MMC2>;
reset-names = "reset";
bus-width = <0x4>;
broken-cd;
pinctrl-names = "default", "idle";
pinctrl-0 = <&sdio_pmx_func &sdio_clk_cfg_func &sdio_cfg_func>;
pinctrl-1 = <&sdio_pmx_idle &sdio_clk_cfg_idle &sdio_cfg_idle>;
......
arch/arm64/boot/dts/include/arm 已删除 120000 → 0
浏览文件 @ 20dcf8e2
../../../../arm/boot/dts
\ No newline at end of file
arch/arm64/boot/dts/include/dt-bindings 已删除 120000 → 0
浏览文件 @ 20dcf8e2
../../../../../include/dt-bindings
\ No newline at end of file
arch/arm64/boot/dts/marvell/armada-3720-db.dts
浏览文件 @ ca1579f6
......@@ -79,6 +79,8 @@
};
&i2c0 {
pinctrl-names = "default";
pinctrl-0 = <&i2c1_pins>;
status = "okay";
gpio_exp: pca9555@22 {
......@@ -113,6 +115,8 @@
&spi0 {
status = "okay";
pinctrl-names = "default";
pinctrl-0 = <&spi_quad_pins>;
m25p80@0 {
compatible = "jedec,spi-nor";
......@@ -143,6 +147,8 @@
/* Exported on the micro USB connector CON32 through an FTDI */
&uart0 {
pinctrl-names = "default";
pinctrl-0 = <&uart1_pins>;
status = "okay";
};
......@@ -184,6 +190,8 @@
};
&eth0 {
pinctrl-names = "default";
pinctrl-0 = <&rgmii_pins>;
phy-mode = "rgmii-id";
phy = <&phy0>;
status = "okay";
......
arch/arm64/boot/dts/marvell/armada-37xx.dtsi
浏览文件 @ ca1579f6
......@@ -161,16 +161,83 @@
#clock-cells = <1>;
};
gpio1: gpio@13800 {
compatible = "marvell,mvebu-gpio-3700",
pinctrl_nb: pinctrl@13800 {
compatible = "marvell,armada3710-nb-pinctrl",
"syscon", "simple-mfd";
reg = <0x13800 0x500>;
reg = <0x13800 0x100>, <0x13C00 0x20>;
gpionb: gpio {
#gpio-cells = <2>;
gpio-ranges = <&pinctrl_nb 0 0 36>;
gpio-controller;
interrupts =
<GIC_SPI 51 IRQ_TYPE_LEVEL_HIGH>,
<GIC_SPI 52 IRQ_TYPE_LEVEL_HIGH>,
<GIC_SPI 53 IRQ_TYPE_LEVEL_HIGH>,
<GIC_SPI 54 IRQ_TYPE_LEVEL_HIGH>,
<GIC_SPI 55 IRQ_TYPE_LEVEL_HIGH>,
<GIC_SPI 56 IRQ_TYPE_LEVEL_HIGH>,
<GIC_SPI 57 IRQ_TYPE_LEVEL_HIGH>,
<GIC_SPI 58 IRQ_TYPE_LEVEL_HIGH>,
<GIC_SPI 152 IRQ_TYPE_LEVEL_HIGH>,
<GIC_SPI 153 IRQ_TYPE_LEVEL_HIGH>,
<GIC_SPI 154 IRQ_TYPE_LEVEL_HIGH>,
<GIC_SPI 155 IRQ_TYPE_LEVEL_HIGH>;
};
xtalclk: xtal-clk {
compatible = "marvell,armada-3700-xtal-clock";
clock-output-names = "xtal";
#clock-cells = <0>;
};
spi_quad_pins: spi-quad-pins {
groups = "spi_quad";
function = "spi";
};
i2c1_pins: i2c1-pins {
groups = "i2c1";
function = "i2c";
};
i2c2_pins: i2c2-pins {
groups = "i2c2";
function = "i2c";
};
uart1_pins: uart1-pins {
groups = "uart1";
function = "uart";
};
uart2_pins: uart2-pins {
groups = "uart2";
function = "uart";
};
};
pinctrl_sb: pinctrl@18800 {
compatible = "marvell,armada3710-sb-pinctrl",
"syscon", "simple-mfd";
reg = <0x18800 0x100>, <0x18C00 0x20>;
gpiosb: gpio {
#gpio-cells = <2>;
gpio-ranges = <&pinctrl_sb 0 0 29>;
gpio-controller;
interrupts =
<GIC_SPI 160 IRQ_TYPE_LEVEL_HIGH>,
<GIC_SPI 159 IRQ_TYPE_LEVEL_HIGH>,
<GIC_SPI 158 IRQ_TYPE_LEVEL_HIGH>,
<GIC_SPI 157 IRQ_TYPE_LEVEL_HIGH>,
<GIC_SPI 156 IRQ_TYPE_LEVEL_HIGH>;
};
rgmii_pins: mii-pins {
groups = "rgmii";
function = "mii";
};
};
eth0: ethernet@30000 {
......
arch/arm64/boot/dts/mediatek/mt8173-evb.dts
浏览文件 @ ca1579f6
......@@ -134,6 +134,9 @@
bus-width = <8>;
max-frequency = <50000000>;
cap-mmc-highspeed;
mediatek,hs200-cmd-int-delay=<26>;
mediatek,hs400-cmd-int-delay=<14>;
mediatek,hs400-cmd-resp-sel-rising;
vmmc-supply = <&mt6397_vemc_3v3_reg>;
vqmmc-supply = <&mt6397_vio18_reg>;
non-removable;
......
arch/arm64/boot/dts/rockchip/rk3399-gru-kevin.dts
浏览文件 @ ca1579f6
......@@ -44,7 +44,7 @@
/dts-v1/;
#include "rk3399-gru.dtsi"
#include <include/dt-bindings/input/linux-event-codes.h>
#include <dt-bindings/input/linux-event-codes.h>
/*
* Kevin-specific things
......
arch/arm64/configs/defconfig
浏览文件 @ ca1579f6
......@@ -30,7 +30,6 @@ CONFIG_PROFILING=y
CONFIG_JUMP_LABEL=y
CONFIG_MODULES=y
CONFIG_MODULE_UNLOAD=y
# CONFIG_BLK_DEV_BSG is not set
# CONFIG_IOSCHED_DEADLINE is not set
CONFIG_ARCH_SUNXI=y
CONFIG_ARCH_ALPINE=y
......@@ -62,16 +61,15 @@ CONFIG_ARCH_XGENE=y
CONFIG_ARCH_ZX=y
CONFIG_ARCH_ZYNQMP=y
CONFIG_PCI=y
CONFIG_PCI_MSI=y
CONFIG_PCI_IOV=y
CONFIG_PCI_AARDVARK=y
CONFIG_PCIE_RCAR=y
CONFIG_PCI_HOST_GENERIC=y
CONFIG_PCI_XGENE=y
CONFIG_PCI_LAYERSCAPE=y
CONFIG_PCI_HISI=y
CONFIG_PCIE_QCOM=y
CONFIG_PCIE_ARMADA_8K=y
CONFIG_PCI_AARDVARK=y
CONFIG_PCIE_RCAR=y
CONFIG_PCI_HOST_GENERIC=y
CONFIG_PCI_XGENE=y
CONFIG_ARM64_VA_BITS_48=y
CONFIG_SCHED_MC=y
CONFIG_NUMA=y
......@@ -80,12 +78,11 @@ CONFIG_KSM=y
CONFIG_TRANSPARENT_HUGEPAGE=y
CONFIG_CMA=y
CONFIG_SECCOMP=y
CONFIG_XEN=y
CONFIG_KEXEC=y
CONFIG_CRASH_DUMP=y
CONFIG_XEN=y
# CONFIG_CORE_DUMP_DEFAULT_ELF_HEADERS is not set
CONFIG_COMPAT=y
CONFIG_CPU_IDLE=y
CONFIG_HIBERNATION=y
CONFIG_ARM_CPUIDLE=y
CONFIG_CPU_FREQ=y
......@@ -155,8 +152,8 @@ CONFIG_MTD_SPI_NOR=y
CONFIG_BLK_DEV_LOOP=y
CONFIG_BLK_DEV_NBD=m
CONFIG_VIRTIO_BLK=y
CONFIG_EEPROM_AT25=m
CONFIG_SRAM=y
CONFIG_EEPROM_AT25=m
# CONFIG_SCSI_PROC_FS is not set
CONFIG_BLK_DEV_SD=y
CONFIG_SCSI_SAS_ATA=y
......@@ -168,8 +165,8 @@ CONFIG_AHCI_CEVA=y
CONFIG_AHCI_MVEBU=y
CONFIG_AHCI_XGENE=y
CONFIG_AHCI_QORIQ=y
CONFIG_SATA_RCAR=y
CONFIG_SATA_SIL24=y
CONFIG_SATA_RCAR=y
CONFIG_PATA_PLATFORM=y
CONFIG_PATA_OF_PLATFORM=y
CONFIG_NETDEVICES=y
......@@ -186,18 +183,17 @@ CONFIG_HNS_ENET=y
CONFIG_E1000E=y
CONFIG_IGB=y
CONFIG_IGBVF=y
CONFIG_MVPP2=y
CONFIG_MVNETA=y
CONFIG_MVPP2=y
CONFIG_SKY2=y
CONFIG_RAVB=y
CONFIG_SMC91X=y
CONFIG_SMSC911X=y
CONFIG_STMMAC_ETH=m
CONFIG_REALTEK_PHY=m
CONFIG_MDIO_BUS_MUX_MMIOREG=y
CONFIG_MESON_GXL_PHY=m
CONFIG_MICREL_PHY=y
CONFIG_MDIO_BUS_MUX=y
CONFIG_MDIO_BUS_MUX_MMIOREG=y
CONFIG_REALTEK_PHY=m
CONFIG_USB_PEGASUS=m
CONFIG_USB_RTL8150=m
CONFIG_USB_RTL8152=m
......@@ -230,14 +226,14 @@ CONFIG_SERIAL_8250_UNIPHIER=y
CONFIG_SERIAL_OF_PLATFORM=y
CONFIG_SERIAL_AMBA_PL011=y
CONFIG_SERIAL_AMBA_PL011_CONSOLE=y
CONFIG_SERIAL_MESON=y
CONFIG_SERIAL_MESON_CONSOLE=y
CONFIG_SERIAL_SAMSUNG=y
CONFIG_SERIAL_SAMSUNG_CONSOLE=y
CONFIG_SERIAL_TEGRA=y
CONFIG_SERIAL_SH_SCI=y
CONFIG_SERIAL_SH_SCI_NR_UARTS=11
CONFIG_SERIAL_SH_SCI_CONSOLE=y
CONFIG_SERIAL_MESON=y
CONFIG_SERIAL_MESON_CONSOLE=y
CONFIG_SERIAL_MSM=y
CONFIG_SERIAL_MSM_CONSOLE=y
CONFIG_SERIAL_XILINX_PS_UART=y
......@@ -261,14 +257,14 @@ CONFIG_I2C_UNIPHIER_F=y
CONFIG_I2C_RCAR=y
CONFIG_I2C_CROS_EC_TUNNEL=y
CONFIG_SPI=y
CONFIG_SPI_MESON_SPIFC=m
CONFIG_SPI_BCM2835=m
CONFIG_SPI_BCM2835AUX=m
CONFIG_SPI_MESON_SPIFC=m
CONFIG_SPI_ORION=y
CONFIG_SPI_PL022=y
CONFIG_SPI_QUP=y
CONFIG_SPI_SPIDEV=m
CONFIG_SPI_S3C64XX=y
CONFIG_SPI_SPIDEV=m
CONFIG_SPMI=y
CONFIG_PINCTRL_SINGLE=y
CONFIG_PINCTRL_MAX77620=y
......@@ -286,33 +282,30 @@ CONFIG_GPIO_PCA953X=y
CONFIG_GPIO_PCA953X_IRQ=y
CONFIG_GPIO_MAX77620=y
CONFIG_POWER_RESET_MSM=y
CONFIG_BATTERY_BQ27XXX=y
CONFIG_POWER_RESET_XGENE=y
CONFIG_POWER_RESET_SYSCON=y
CONFIG_BATTERY_BQ27XXX=y
CONFIG_SENSORS_ARM_SCPI=y
CONFIG_SENSORS_LM90=m
CONFIG_SENSORS_INA2XX=m
CONFIG_SENSORS_ARM_SCPI=y
CONFIG_THERMAL=y
CONFIG_THERMAL_EMULATION=y
CONFIG_THERMAL_GOV_POWER_ALLOCATOR=y
CONFIG_CPU_THERMAL=y
CONFIG_BCM2835_THERMAL=y
CONFIG_THERMAL_EMULATION=y
CONFIG_EXYNOS_THERMAL=y
CONFIG_WATCHDOG=y
CONFIG_BCM2835_WDT=y
CONFIG_RENESAS_WDT=y
CONFIG_S3C2410_WATCHDOG=y
CONFIG_MESON_GXBB_WATCHDOG=m
CONFIG_MESON_WATCHDOG=m
CONFIG_RENESAS_WDT=y
CONFIG_BCM2835_WDT=y
CONFIG_MFD_CROS_EC=y
CONFIG_MFD_CROS_EC_I2C=y
CONFIG_MFD_EXYNOS_LPASS=m
CONFIG_MFD_HI655X_PMIC=y
CONFIG_MFD_MAX77620=y
CONFIG_MFD_RK808=y
CONFIG_MFD_SPMI_PMIC=y
CONFIG_MFD_RK808=y
CONFIG_MFD_SEC_CORE=y
CONFIG_MFD_HI655X_PMIC=y
CONFIG_REGULATOR=y
CONFIG_MFD_CROS_EC=y
CONFIG_MFD_CROS_EC_I2C=y
CONFIG_REGULATOR_FIXED_VOLTAGE=y
CONFIG_REGULATOR_GPIO=y
CONFIG_REGULATOR_HI655X=y
......@@ -345,13 +338,12 @@ CONFIG_DRM_EXYNOS_DSI=y
CONFIG_DRM_EXYNOS_HDMI=y
CONFIG_DRM_EXYNOS_MIC=y
CONFIG_DRM_RCAR_DU=m
CONFIG_DRM_RCAR_HDMI=y
CONFIG_DRM_RCAR_LVDS=y
CONFIG_DRM_RCAR_VSP=y
CONFIG_DRM_TEGRA=m
CONFIG_DRM_VC4=m
CONFIG_DRM_PANEL_SIMPLE=m
CONFIG_DRM_I2C_ADV7511=m
CONFIG_DRM_VC4=m
CONFIG_DRM_HISI_KIRIN=m
CONFIG_DRM_MESON=m
CONFIG_FB=y
......@@ -366,39 +358,37 @@ CONFIG_SOUND=y
CONFIG_SND=y
CONFIG_SND_SOC=y
CONFIG_SND_BCM2835_SOC_I2S=m
CONFIG_SND_SOC_RCAR=y
CONFIG_SND_SOC_SAMSUNG=y
CONFIG_SND_SOC_RCAR=y
CONFIG_SND_SOC_AK4613=y
CONFIG_USB=y
CONFIG_USB_OTG=y
CONFIG_USB_XHCI_HCD=y
CONFIG_USB_XHCI_PLATFORM=y
CONFIG_USB_XHCI_RCAR=y
CONFIG_USB_EHCI_EXYNOS=y
CONFIG_USB_XHCI_TEGRA=y
CONFIG_USB_EHCI_HCD=y
CONFIG_USB_EHCI_MSM=y
CONFIG_USB_EHCI_EXYNOS=y
CONFIG_USB_EHCI_HCD_PLATFORM=y
CONFIG_USB_OHCI_EXYNOS=y
CONFIG_USB_OHCI_HCD=y
CONFIG_USB_OHCI_EXYNOS=y
CONFIG_USB_OHCI_HCD_PLATFORM=y
CONFIG_USB_RENESAS_USBHS=m
CONFIG_USB_STORAGE=y
CONFIG_USB_DWC2=y
CONFIG_USB_DWC3=y
CONFIG_USB_DWC2=y
CONFIG_USB_CHIPIDEA=y
CONFIG_USB_CHIPIDEA_UDC=y
CONFIG_USB_CHIPIDEA_HOST=y
CONFIG_USB_ISP1760=y
CONFIG_USB_HSIC_USB3503=y
CONFIG_USB_MSM_OTG=y
CONFIG_USB_QCOM_8X16_PHY=y
CONFIG_USB_ULPI=y
CONFIG_USB_GADGET=y
CONFIG_USB_RENESAS_USBHS_UDC=m
CONFIG_MMC=y
CONFIG_MMC_BLOCK_MINORS=32
CONFIG_MMC_ARMMMCI=y
CONFIG_MMC_MESON_GX=y
CONFIG_MMC_SDHCI=y
CONFIG_MMC_SDHCI_ACPI=y
CONFIG_MMC_SDHCI_PLTFM=y
......@@ -406,6 +396,7 @@ CONFIG_MMC_SDHCI_OF_ARASAN=y
CONFIG_MMC_SDHCI_OF_ESDHC=y
CONFIG_MMC_SDHCI_CADENCE=y
CONFIG_MMC_SDHCI_TEGRA=y
CONFIG_MMC_MESON_GX=y
CONFIG_MMC_SDHCI_MSM=y
CONFIG_MMC_SPI=y
CONFIG_MMC_SDHI=y
......@@ -414,32 +405,31 @@ CONFIG_MMC_DW_EXYNOS=y
CONFIG_MMC_DW_K3=y
CONFIG_MMC_DW_ROCKCHIP=y
CONFIG_MMC_SUNXI=y
CONFIG_MMC_SDHCI_XENON=y
CONFIG_MMC_BCM2835=y
CONFIG_MMC_SDHCI_XENON=y
CONFIG_NEW_LEDS=y
CONFIG_LEDS_CLASS=y
CONFIG_LEDS_GPIO=y
CONFIG_LEDS_PWM=y
CONFIG_LEDS_SYSCON=y
CONFIG_LEDS_TRIGGERS=y
CONFIG_LEDS_TRIGGER_DEFAULT_ON=y
CONFIG_LEDS_TRIGGER_HEARTBEAT=y
CONFIG_LEDS_TRIGGER_CPU=y
CONFIG_LEDS_TRIGGER_DEFAULT_ON=y
CONFIG_RTC_CLASS=y
CONFIG_RTC_DRV_MAX77686=y
CONFIG_RTC_DRV_RK808=m
CONFIG_RTC_DRV_S5M=y
CONFIG_RTC_DRV_DS3232=y
CONFIG_RTC_DRV_EFI=y
CONFIG_RTC_DRV_S3C=y
CONFIG_RTC_DRV_PL031=y
CONFIG_RTC_DRV_SUN6I=y
CONFIG_RTC_DRV_RK808=m
CONFIG_RTC_DRV_TEGRA=y
CONFIG_RTC_DRV_XGENE=y
CONFIG_RTC_DRV_S3C=y
CONFIG_DMADEVICES=y
CONFIG_DMA_BCM2835=m
CONFIG_MV_XOR_V2=y
CONFIG_PL330_DMA=y
CONFIG_DMA_BCM2835=m
CONFIG_TEGRA20_APB_DMA=y
CONFIG_QCOM_BAM_DMA=y
CONFIG_QCOM_HIDMA_MGMT=y
......@@ -452,52 +442,53 @@ CONFIG_VIRTIO_BALLOON=y
CONFIG_VIRTIO_MMIO=y
CONFIG_XEN_GNTDEV=y
CONFIG_XEN_GRANT_DEV_ALLOC=y
CONFIG_COMMON_CLK_RK808=y
CONFIG_COMMON_CLK_SCPI=y
CONFIG_COMMON_CLK_CS2000_CP=y
CONFIG_COMMON_CLK_S2MPS11=y
CONFIG_COMMON_CLK_PWM=y
CONFIG_COMMON_CLK_RK808=y
CONFIG_CLK_QORIQ=y
CONFIG_COMMON_CLK_PWM=y
CONFIG_COMMON_CLK_QCOM=y
CONFIG_QCOM_CLK_SMD_RPM=y
CONFIG_MSM_GCC_8916=y
CONFIG_MSM_GCC_8994=y
CONFIG_MSM_MMCC_8996=y
CONFIG_HWSPINLOCK_QCOM=y
CONFIG_MAILBOX=y
CONFIG_ARM_MHU=y
CONFIG_PLATFORM_MHU=y
CONFIG_BCM2835_MBOX=y
CONFIG_HI6220_MBOX=y
CONFIG_ARM_SMMU=y
CONFIG_ARM_SMMU_V3=y
CONFIG_RPMSG_QCOM_SMD=y
CONFIG_RASPBERRYPI_POWER=y
CONFIG_QCOM_SMEM=y
CONFIG_QCOM_SMD=y
CONFIG_QCOM_SMD_RPM=y
CONFIG_QCOM_SMP2P=y
CONFIG_QCOM_SMSM=y
CONFIG_ROCKCHIP_PM_DOMAINS=y
CONFIG_ARCH_TEGRA_132_SOC=y
CONFIG_ARCH_TEGRA_210_SOC=y
CONFIG_ARCH_TEGRA_186_SOC=y
CONFIG_EXTCON_USB_GPIO=y
CONFIG_IIO=y
CONFIG_EXYNOS_ADC=y
CONFIG_PWM=y
CONFIG_PWM_BCM2835=m
CONFIG_PWM_MESON=m
CONFIG_PWM_ROCKCHIP=y
CONFIG_PWM_SAMSUNG=y
CONFIG_PWM_TEGRA=m
CONFIG_PWM_MESON=m
CONFIG_COMMON_RESET_HI6220=y
CONFIG_PHY_RCAR_GEN3_USB2=y
CONFIG_PHY_HI6220_USB=y
CONFIG_PHY_SUN4I_USB=y
CONFIG_PHY_ROCKCHIP_INNO_USB2=y
CONFIG_PHY_ROCKCHIP_EMMC=y
CONFIG_PHY_SUN4I_USB=y
CONFIG_PHY_XGENE=y
CONFIG_PHY_TEGRA_XUSB=y
CONFIG_ARM_SCPI_PROTOCOL=y
CONFIG_ACPI=y
CONFIG_IIO=y
CONFIG_EXYNOS_ADC=y
CONFIG_PWM_SAMSUNG=y
CONFIG_RASPBERRYPI_FIRMWARE=y
CONFIG_ACPI=y
CONFIG_EXT2_FS=y
CONFIG_EXT3_FS=y
CONFIG_EXT4_FS_POSIX_ACL=y
......@@ -511,7 +502,6 @@ CONFIG_FUSE_FS=m
CONFIG_CUSE=m
CONFIG_OVERLAY_FS=m
CONFIG_VFAT_FS=y
CONFIG_TMPFS=y
CONFIG_HUGETLBFS=y
CONFIG_CONFIGFS_FS=y
CONFIG_EFIVAR_FS=y
......@@ -539,11 +529,9 @@ CONFIG_MEMTEST=y
CONFIG_SECURITY=y
CONFIG_CRYPTO_ECHAINIV=y
CONFIG_CRYPTO_ANSI_CPRNG=y
CONFIG_CRYPTO_DEV_SAFEXCEL=m
CONFIG_ARM64_CRYPTO=y
CONFIG_CRYPTO_SHA1_ARM64_CE=y
CONFIG_CRYPTO_SHA2_ARM64_CE=y
CONFIG_CRYPTO_GHASH_ARM64_CE=y
CONFIG_CRYPTO_AES_ARM64_CE_CCM=y
CONFIG_CRYPTO_AES_ARM64_CE_BLK=y
# CONFIG_CRYPTO_AES_ARM64_NEON_BLK is not set
arch/arm64/include/asm/atomic_ll_sc.h
浏览文件 @ ca1579f6
......@@ -264,7 +264,6 @@ __LL_SC_PREFIX(__cmpxchg_case_##name(volatile void *ptr, \
" st" #rel "xr" #sz "\t%w[tmp], %" #w "[new], %[v]\n" \
" cbnz %w[tmp], 1b\n" \
" " #mb "\n" \
" mov %" #w "[oldval], %" #w "[old]\n" \
"2:" \
: [tmp] "=&r" (tmp), [oldval] "=&r" (oldval), \
[v] "+Q" (*(unsigned long *)ptr) \
......
arch/arm64/include/asm/cpufeature.h
浏览文件 @ ca1579f6
......@@ -115,6 +115,7 @@ struct arm64_cpu_capabilities {
extern DECLARE_BITMAP(cpu_hwcaps, ARM64_NCAPS);
extern struct static_key_false cpu_hwcap_keys[ARM64_NCAPS];
extern struct static_key_false arm64_const_caps_ready;
bool this_cpu_has_cap(unsigned int cap);
......@@ -124,7 +125,7 @@ static inline bool cpu_have_feature(unsigned int num)
}
/* System capability check for constant caps */
static inline bool cpus_have_const_cap(int num)
static inline bool __cpus_have_const_cap(int num)
{
if (num >= ARM64_NCAPS)
return false;
......@@ -138,6 +139,14 @@ static inline bool cpus_have_cap(unsigned int num)
return test_bit(num, cpu_hwcaps);
}
static inline bool cpus_have_const_cap(int num)
{
if (static_branch_likely(&arm64_const_caps_ready))
return __cpus_have_const_cap(num);
else
return cpus_have_cap(num);
}
static inline void cpus_set_cap(unsigned int num)
{
if (num >= ARM64_NCAPS) {
......@@ -145,7 +154,6 @@ static inline void cpus_set_cap(unsigned int num)
num, ARM64_NCAPS);
} else {
__set_bit(num, cpu_hwcaps);
static_branch_enable(&cpu_hwcap_keys[num]);
}
}
......
arch/arm64/include/asm/kvm_host.h
浏览文件 @ ca1579f6
......@@ -24,6 +24,7 @@
#include <linux/types.h>
#include <linux/kvm_types.h>
#include <asm/cpufeature.h>
#include <asm/kvm.h>
#include <asm/kvm_asm.h>
#include <asm/kvm_mmio.h>
......@@ -355,9 +356,12 @@ static inline void __cpu_init_hyp_mode(phys_addr_t pgd_ptr,
unsigned long vector_ptr)
{
/*
* Call initialization code, and switch to the full blown
* HYP code.
* Call initialization code, and switch to the full blown HYP code.
* If the cpucaps haven't been finalized yet, something has gone very
* wrong, and hyp will crash and burn when it uses any
* cpus_have_const_cap() wrapper.
*/
BUG_ON(!static_branch_likely(&arm64_const_caps_ready));
__kvm_call_hyp((void *)pgd_ptr, hyp_stack_ptr, vector_ptr);
}
......
arch/arm64/kernel/cpufeature.c
浏览文件 @ ca1579f6
......@@ -985,8 +985,16 @@ void update_cpu_capabilities(const struct arm64_cpu_capabilities *caps,
*/
void __init enable_cpu_capabilities(const struct arm64_cpu_capabilities *caps)
{
for (; caps->matches; caps++)
if (caps->enable && cpus_have_cap(caps->capability))
for (; caps->matches; caps++) {
unsigned int num = caps->capability;
if (!cpus_have_cap(num))
continue;
/* Ensure cpus_have_const_cap(num) works */
static_branch_enable(&cpu_hwcap_keys[num]);
if (caps->enable) {
/*
* Use stop_machine() as it schedules the work allowing
* us to modify PSTATE, instead of on_each_cpu() which
......@@ -994,6 +1002,8 @@ void __init enable_cpu_capabilities(const struct arm64_cpu_capabilities *caps)
* we return.
*/
stop_machine(caps->enable, NULL, cpu_online_mask);
}
}
}
/*
......@@ -1096,6 +1106,14 @@ static void __init setup_feature_capabilities(void)
enable_cpu_capabilities(arm64_features);
}
DEFINE_STATIC_KEY_FALSE(arm64_const_caps_ready);
EXPORT_SYMBOL(arm64_const_caps_ready);
static void __init mark_const_caps_ready(void)
{
static_branch_enable(&arm64_const_caps_ready);
}
/*
* Check if the current CPU has a given feature capability.
* Should be called from non-preemptible context.
......@@ -1131,6 +1149,7 @@ void __init setup_cpu_features(void)
/* Set the CPU feature capabilies */
setup_feature_capabilities();
enable_errata_workarounds();
mark_const_caps_ready();
setup_elf_hwcaps(arm64_elf_hwcaps);
if (system_supports_32bit_el0())
......
arch/arm64/kernel/perf_event.c
浏览文件 @ ca1579f6
......@@ -877,15 +877,24 @@ static int armv8pmu_set_event_filter(struct hw_perf_event *event,
if (attr->exclude_idle)
return -EPERM;
if (is_kernel_in_hyp_mode() &&
attr->exclude_kernel != attr->exclude_hv)
return -EINVAL;
/*
* If we're running in hyp mode, then we *are* the hypervisor.
* Therefore we ignore exclude_hv in this configuration, since
* there's no hypervisor to sample anyway. This is consistent
* with other architectures (x86 and Power).
*/
if (is_kernel_in_hyp_mode()) {
if (!attr->exclude_kernel)
config_base |= ARMV8_PMU_INCLUDE_EL2;
} else {
if (attr->exclude_kernel)
config_base |= ARMV8_PMU_EXCLUDE_EL1;
if (!attr->exclude_hv)
config_base |= ARMV8_PMU_INCLUDE_EL2;
}
if (attr->exclude_user)
config_base |= ARMV8_PMU_EXCLUDE_EL0;
if (!is_kernel_in_hyp_mode() && attr->exclude_kernel)
config_base |= ARMV8_PMU_EXCLUDE_EL1;
if (!attr->exclude_hv)
config_base |= ARMV8_PMU_INCLUDE_EL2;
/*
* Install the filter into config_base as this is used to
......
arch/arm64/kvm/hyp/Makefile
浏览文件 @ ca1579f6
......@@ -2,6 +2,8 @@
# Makefile for Kernel-based Virtual Machine module, HYP part
#
ccflags-y += -fno-stack-protector
KVM=../../../../virt/kvm
obj-$(CONFIG_KVM_ARM_HOST) += $(KVM)/arm/hyp/vgic-v2-sr.o
......
arch/arm64/net/bpf_jit_comp.c
浏览文件 @ ca1579f6
......@@ -253,8 +253,9 @@ static int emit_bpf_tail_call(struct jit_ctx *ctx)
*/
off = offsetof(struct bpf_array, ptrs);
emit_a64_mov_i64(tmp, off, ctx);
emit(A64_LDR64(tmp, r2, tmp), ctx);
emit(A64_LDR64(prg, tmp, r3), ctx);
emit(A64_ADD(1, tmp, r2, tmp), ctx);
emit(A64_LSL(1, prg, r3, 3), ctx);
emit(A64_LDR64(prg, tmp, prg), ctx);
emit(A64_CBZ(1, prg, jmp_offset), ctx);
/* goto *(prog->bpf_func + prologue_size); */
......
arch/cris/boot/dts/include/dt-bindings 已删除 120000 → 0
浏览文件 @ 20dcf8e2
../../../../../include/dt-bindings
\ No newline at end of file
arch/metag/boot/dts/include/dt-bindings 已删除 120000 → 0
浏览文件 @ 20dcf8e2
../../../../../include/dt-bindings
\ No newline at end of file
arch/mips/boot/dts/include/dt-bindings 已删除 120000 → 0
浏览文件 @ 20dcf8e2
../../../../../include/dt-bindings
\ No newline at end of file
arch/powerpc/boot/dts/include/dt-bindings 已删除 120000 → 0
浏览文件 @ 20dcf8e2
../../../../../include/dt-bindings
\ No newline at end of file
arch/powerpc/include/asm/module.h
浏览文件 @ ca1579f6
......@@ -14,6 +14,10 @@
#include <asm-generic/module.h>
#ifdef CC_USING_MPROFILE_KERNEL
#define MODULE_ARCH_VERMAGIC "mprofile-kernel"
#endif
#ifndef __powerpc64__
/*
* Thanks to Paul M for explaining this.
......
arch/powerpc/include/asm/page.h
浏览文件 @ ca1579f6
......@@ -132,7 +132,19 @@ extern long long virt_phys_offset;
#define virt_to_pfn(kaddr) (__pa(kaddr) >> PAGE_SHIFT)
#define virt_to_page(kaddr) pfn_to_page(virt_to_pfn(kaddr))
#define pfn_to_kaddr(pfn) __va((pfn) << PAGE_SHIFT)
#ifdef CONFIG_PPC_BOOK3S_64
/*
* On hash the vmalloc and other regions alias to the kernel region when passed
* through __pa(), which virt_to_pfn() uses. That means virt_addr_valid() can
* return true for some vmalloc addresses, which is incorrect. So explicitly
* check that the address is in the kernel region.
*/
#define virt_addr_valid(kaddr) (REGION_ID(kaddr) == KERNEL_REGION_ID && \
pfn_valid(virt_to_pfn(kaddr)))
#else
#define virt_addr_valid(kaddr) pfn_valid(virt_to_pfn(kaddr))
#endif
/*
* On Book-E parts we need __va to parse the device tree and we can't
......
arch/powerpc/kernel/idle_book3s.S
浏览文件 @ ca1579f6
......@@ -416,7 +416,7 @@ power9_dd1_recover_paca:
* which needs to be restored from the stack.
*/
li r3, 1
stb r0,PACA_NAPSTATELOST(r13)
stb r3,PACA_NAPSTATELOST(r13)
blr
/*
......
arch/powerpc/kernel/kprobes.c
浏览文件 @ ca1579f6
......@@ -305,16 +305,17 @@ int kprobe_handler(struct pt_regs *regs)
save_previous_kprobe(kcb);
set_current_kprobe(p, regs, kcb);
kprobes_inc_nmissed_count(p);
prepare_singlestep(p, regs);
kcb->kprobe_status = KPROBE_REENTER;
if (p->ainsn.boostable >= 0) {
ret = try_to_emulate(p, regs);
if (ret > 0) {
restore_previous_kprobe(kcb);
preempt_enable_no_resched();
return 1;
}
}
prepare_singlestep(p, regs);
return 1;
} else {
if (*addr != BREAKPOINT_INSTRUCTION) {
......
arch/powerpc/kernel/process.c
浏览文件 @ ca1579f6
......@@ -864,6 +864,25 @@ static void tm_reclaim_thread(struct thread_struct *thr,
if (!MSR_TM_SUSPENDED(mfmsr()))
return;
/*
* If we are in a transaction and FP is off then we can't have
* used FP inside that transaction. Hence the checkpointed
* state is the same as the live state. We need to copy the
* live state to the checkpointed state so that when the
* transaction is restored, the checkpointed state is correct
* and the aborted transaction sees the correct state. We use
* ckpt_regs.msr here as that's what tm_reclaim will use to
* determine if it's going to write the checkpointed state or
* not. So either this will write the checkpointed registers,
* or reclaim will. Similarly for VMX.
*/
if ((thr->ckpt_regs.msr & MSR_FP) == 0)
memcpy(&thr->ckfp_state, &thr->fp_state,
sizeof(struct thread_fp_state));
if ((thr->ckpt_regs.msr & MSR_VEC) == 0)
memcpy(&thr->ckvr_state, &thr->vr_state,
sizeof(struct thread_vr_state));
giveup_all(container_of(thr, struct task_struct, thread));
tm_reclaim(thr, thr->ckpt_regs.msr, cause);
......
arch/powerpc/kvm/Kconfig
浏览文件 @ ca1579f6
......@@ -67,7 +67,7 @@ config KVM_BOOK3S_64
select KVM_BOOK3S_64_HANDLER
select KVM
select KVM_BOOK3S_PR_POSSIBLE if !KVM_BOOK3S_HV_POSSIBLE
select SPAPR_TCE_IOMMU if IOMMU_SUPPORT
select SPAPR_TCE_IOMMU if IOMMU_SUPPORT && (PPC_SERIES || PPC_POWERNV)
---help---
Support running unmodified book3s_64 and book3s_32 guest kernels
in virtual machines on book3s_64 host processors.
......
arch/powerpc/kvm/Makefile
浏览文件 @ ca1579f6
......@@ -46,7 +46,7 @@ kvm-e500mc-objs := \
e500_emulate.o
kvm-objs-$(CONFIG_KVM_E500MC) := $(kvm-e500mc-objs)
kvm-book3s_64-builtin-objs-$(CONFIG_KVM_BOOK3S_64_HANDLER) := \
kvm-book3s_64-builtin-objs-$(CONFIG_SPAPR_TCE_IOMMU) := \
book3s_64_vio_hv.o
kvm-pr-y := \
......@@ -90,11 +90,11 @@ kvm-book3s_64-objs-$(CONFIG_KVM_XICS) += \
book3s_xics.o
kvm-book3s_64-objs-$(CONFIG_KVM_XIVE) += book3s_xive.o
kvm-book3s_64-objs-$(CONFIG_SPAPR_TCE_IOMMU) += book3s_64_vio.o
kvm-book3s_64-module-objs := \
$(common-objs-y) \
book3s.o \
book3s_64_vio.o \
book3s_rtas.o \
$(kvm-book3s_64-objs-y)
......
arch/powerpc/kvm/book3s_64_vio_hv.c
浏览文件 @ ca1579f6
......@@ -301,6 +301,10 @@ long kvmppc_rm_h_put_tce(struct kvm_vcpu *vcpu, unsigned long liobn,
/* udbg_printf("H_PUT_TCE(): liobn=0x%lx ioba=0x%lx, tce=0x%lx\n", */
/* liobn, ioba, tce); */
/* For radix, we might be in virtual mode, so punt */
if (kvm_is_radix(vcpu->kvm))
return H_TOO_HARD;
stt = kvmppc_find_table(vcpu->kvm, liobn);
if (!stt)
return H_TOO_HARD;
......@@ -381,6 +385,10 @@ long kvmppc_rm_h_put_tce_indirect(struct kvm_vcpu *vcpu,
bool prereg = false;
struct kvmppc_spapr_tce_iommu_table *stit;
/* For radix, we might be in virtual mode, so punt */
if (kvm_is_radix(vcpu->kvm))
return H_TOO_HARD;
stt = kvmppc_find_table(vcpu->kvm, liobn);
if (!stt)
return H_TOO_HARD;
......@@ -491,6 +499,10 @@ long kvmppc_rm_h_stuff_tce(struct kvm_vcpu *vcpu,
long i, ret;
struct kvmppc_spapr_tce_iommu_table *stit;
/* For radix, we might be in virtual mode, so punt */
if (kvm_is_radix(vcpu->kvm))
return H_TOO_HARD;
stt = kvmppc_find_table(vcpu->kvm, liobn);
if (!stt)
return H_TOO_HARD;
......@@ -527,6 +539,7 @@ long kvmppc_rm_h_stuff_tce(struct kvm_vcpu *vcpu,
return H_SUCCESS;
}
/* This can be called in either virtual mode or real mode */
long kvmppc_h_get_tce(struct kvm_vcpu *vcpu, unsigned long liobn,
unsigned long ioba)
{
......
arch/powerpc/kvm/book3s_hv_builtin.c
浏览文件 @ ca1579f6
......@@ -207,7 +207,14 @@ EXPORT_SYMBOL_GPL(kvmppc_hwrng_present);
long kvmppc_h_random(struct kvm_vcpu *vcpu)
{
if (powernv_get_random_real_mode(&vcpu->arch.gpr[4]))
int r;
/* Only need to do the expensive mfmsr() on radix */
if (kvm_is_radix(vcpu->kvm) && (mfmsr() & MSR_IR))
r = powernv_get_random_long(&vcpu->arch.gpr[4]);
else
r = powernv_get_random_real_mode(&vcpu->arch.gpr[4]);
if (r)
return H_SUCCESS;
return H_HARDWARE;
......
arch/powerpc/kvm/book3s_pr_papr.c
浏览文件 @ ca1579f6
......@@ -50,7 +50,9 @@ static int kvmppc_h_pr_enter(struct kvm_vcpu *vcpu)
pteg_addr = get_pteg_addr(vcpu, pte_index);
mutex_lock(&vcpu->kvm->arch.hpt_mutex);
copy_from_user(pteg, (void __user *)pteg_addr, sizeof(pteg));
ret = H_FUNCTION;
if (copy_from_user(pteg, (void __user *)pteg_addr, sizeof(pteg)))
goto done;
hpte = pteg;
ret = H_PTEG_FULL;
......@@ -71,7 +73,9 @@ static int kvmppc_h_pr_enter(struct kvm_vcpu *vcpu)
hpte[0] = cpu_to_be64(kvmppc_get_gpr(vcpu, 6));
hpte[1] = cpu_to_be64(kvmppc_get_gpr(vcpu, 7));
pteg_addr += i * HPTE_SIZE;
copy_to_user((void __user *)pteg_addr, hpte, HPTE_SIZE);
ret = H_FUNCTION;
if (copy_to_user((void __user *)pteg_addr, hpte, HPTE_SIZE))
goto done;
kvmppc_set_gpr(vcpu, 4, pte_index | i);
ret = H_SUCCESS;
......@@ -93,7 +97,9 @@ static int kvmppc_h_pr_remove(struct kvm_vcpu *vcpu)
pteg = get_pteg_addr(vcpu, pte_index);
mutex_lock(&vcpu->kvm->arch.hpt_mutex);
copy_from_user(pte, (void __user *)pteg, sizeof(pte));
ret = H_FUNCTION;
if (copy_from_user(pte, (void __user *)pteg, sizeof(pte)))
goto done;
pte[0] = be64_to_cpu((__force __be64)pte[0]);
pte[1] = be64_to_cpu((__force __be64)pte[1]);
......@@ -103,7 +109,9 @@ static int kvmppc_h_pr_remove(struct kvm_vcpu *vcpu)
((flags & H_ANDCOND) && (pte[0] & avpn) != 0))
goto done;
copy_to_user((void __user *)pteg, &v, sizeof(v));
ret = H_FUNCTION;
if (copy_to_user((void __user *)pteg, &v, sizeof(v)))
goto done;
rb = compute_tlbie_rb(pte[0], pte[1], pte_index);
vcpu->arch.mmu.tlbie(vcpu, rb, rb & 1 ? true : false);
......@@ -171,7 +179,10 @@ static int kvmppc_h_pr_bulk_remove(struct kvm_vcpu *vcpu)
}
pteg = get_pteg_addr(vcpu, tsh & H_BULK_REMOVE_PTEX);
copy_from_user(pte, (void __user *)pteg, sizeof(pte));
if (copy_from_user(pte, (void __user *)pteg, sizeof(pte))) {
ret = H_FUNCTION;
break;
}
pte[0] = be64_to_cpu((__force __be64)pte[0]);
pte[1] = be64_to_cpu((__force __be64)pte[1]);
......@@ -184,7 +195,10 @@ static int kvmppc_h_pr_bulk_remove(struct kvm_vcpu *vcpu)
tsh |= H_BULK_REMOVE_NOT_FOUND;
} else {
/* Splat the pteg in (userland) hpt */
copy_to_user((void __user *)pteg, &v, sizeof(v));
if (copy_to_user((void __user *)pteg, &v, sizeof(v))) {
ret = H_FUNCTION;
break;
}
rb = compute_tlbie_rb(pte[0], pte[1],
tsh & H_BULK_REMOVE_PTEX);
......@@ -211,7 +225,9 @@ static int kvmppc_h_pr_protect(struct kvm_vcpu *vcpu)
pteg = get_pteg_addr(vcpu, pte_index);
mutex_lock(&vcpu->kvm->arch.hpt_mutex);
copy_from_user(pte, (void __user *)pteg, sizeof(pte));
ret = H_FUNCTION;
if (copy_from_user(pte, (void __user *)pteg, sizeof(pte)))
goto done;
pte[0] = be64_to_cpu((__force __be64)pte[0]);
pte[1] = be64_to_cpu((__force __be64)pte[1]);
......@@ -234,7 +250,9 @@ static int kvmppc_h_pr_protect(struct kvm_vcpu *vcpu)
vcpu->arch.mmu.tlbie(vcpu, rb, rb & 1 ? true : false);
pte[0] = (__force u64)cpu_to_be64(pte[0]);
pte[1] = (__force u64)cpu_to_be64(pte[1]);
copy_to_user((void __user *)pteg, pte, sizeof(pte));
ret = H_FUNCTION;
if (copy_to_user((void __user *)pteg, pte, sizeof(pte)))
goto done;
ret = H_SUCCESS;
done:
......@@ -244,36 +262,37 @@ static int kvmppc_h_pr_protect(struct kvm_vcpu *vcpu)
return EMULATE_DONE;
}
static int kvmppc_h_pr_put_tce(struct kvm_vcpu *vcpu)
static int kvmppc_h_pr_logical_ci_load(struct kvm_vcpu *vcpu)
{
unsigned long liobn = kvmppc_get_gpr(vcpu, 4);
unsigned long ioba = kvmppc_get_gpr(vcpu, 5);
unsigned long tce = kvmppc_get_gpr(vcpu, 6);
long rc;
rc = kvmppc_h_put_tce(vcpu, liobn, ioba, tce);
rc = kvmppc_h_logical_ci_load(vcpu);
if (rc == H_TOO_HARD)
return EMULATE_FAIL;
kvmppc_set_gpr(vcpu, 3, rc);
return EMULATE_DONE;
}
static int kvmppc_h_pr_logical_ci_load(struct kvm_vcpu *vcpu)
static int kvmppc_h_pr_logical_ci_store(struct kvm_vcpu *vcpu)
{
long rc;
rc = kvmppc_h_logical_ci_load(vcpu);
rc = kvmppc_h_logical_ci_store(vcpu);
if (rc == H_TOO_HARD)
return EMULATE_FAIL;
kvmppc_set_gpr(vcpu, 3, rc);
return EMULATE_DONE;
}
static int kvmppc_h_pr_logical_ci_store(struct kvm_vcpu *vcpu)
#ifdef CONFIG_SPAPR_TCE_IOMMU
static int kvmppc_h_pr_put_tce(struct kvm_vcpu *vcpu)
{
unsigned long liobn = kvmppc_get_gpr(vcpu, 4);
unsigned long ioba = kvmppc_get_gpr(vcpu, 5);
unsigned long tce = kvmppc_get_gpr(vcpu, 6);
long rc;
rc = kvmppc_h_logical_ci_store(vcpu);
rc = kvmppc_h_put_tce(vcpu, liobn, ioba, tce);
if (rc == H_TOO_HARD)
return EMULATE_FAIL;
kvmppc_set_gpr(vcpu, 3, rc);
......@@ -311,6 +330,23 @@ static int kvmppc_h_pr_stuff_tce(struct kvm_vcpu *vcpu)
return EMULATE_DONE;
}
#else /* CONFIG_SPAPR_TCE_IOMMU */
static int kvmppc_h_pr_put_tce(struct kvm_vcpu *vcpu)
{
return EMULATE_FAIL;
}
static int kvmppc_h_pr_put_tce_indirect(struct kvm_vcpu *vcpu)
{
return EMULATE_FAIL;
}
static int kvmppc_h_pr_stuff_tce(struct kvm_vcpu *vcpu)
{
return EMULATE_FAIL;
}
#endif /* CONFIG_SPAPR_TCE_IOMMU */
static int kvmppc_h_pr_xics_hcall(struct kvm_vcpu *vcpu, u32 cmd)
{
long rc = kvmppc_xics_hcall(vcpu, cmd);
......
arch/powerpc/kvm/powerpc.c
浏览文件 @ ca1579f6
......@@ -1749,7 +1749,7 @@ long kvm_arch_vm_ioctl(struct file *filp,
r = kvm_vm_ioctl_enable_cap(kvm, &cap);
break;
}
#ifdef CONFIG_PPC_BOOK3S_64
#ifdef CONFIG_SPAPR_TCE_IOMMU
case KVM_CREATE_SPAPR_TCE_64: {
struct kvm_create_spapr_tce_64 create_tce_64;
......@@ -1780,6 +1780,8 @@ long kvm_arch_vm_ioctl(struct file *filp,
r = kvm_vm_ioctl_create_spapr_tce(kvm, &create_tce_64);
goto out;
}
#endif
#ifdef CONFIG_PPC_BOOK3S_64
case KVM_PPC_GET_SMMU_INFO: {
struct kvm_ppc_smmu_info info;
struct kvm *kvm = filp->private_data;
......
arch/powerpc/mm/dump_linuxpagetables.c
浏览文件 @ ca1579f6
......@@ -16,6 +16,7 @@
*/
#include <linux/debugfs.h>
#include <linux/fs.h>
#include <linux/hugetlb.h>
#include <linux/io.h>
#include <linux/mm.h>
#include <linux/sched.h>
......@@ -391,7 +392,7 @@ static void walk_pmd(struct pg_state *st, pud_t *pud, unsigned long start)
for (i = 0; i < PTRS_PER_PMD; i++, pmd++) {
addr = start + i * PMD_SIZE;
if (!pmd_none(*pmd))
if (!pmd_none(*pmd) && !pmd_huge(*pmd))
/* pmd exists */
walk_pte(st, pmd, addr);
else
......@@ -407,7 +408,7 @@ static void walk_pud(struct pg_state *st, pgd_t *pgd, unsigned long start)
for (i = 0; i < PTRS_PER_PUD; i++, pud++) {
addr = start + i * PUD_SIZE;
if (!pud_none(*pud))
if (!pud_none(*pud) && !pud_huge(*pud))
/* pud exists */
walk_pmd(st, pud, addr);
else
......@@ -427,7 +428,7 @@ static void walk_pagetables(struct pg_state *st)
*/
for (i = 0; i < PTRS_PER_PGD; i++, pgd++) {
addr = KERN_VIRT_START + i * PGDIR_SIZE;
if (!pgd_none(*pgd))
if (!pgd_none(*pgd) && !pgd_huge(*pgd))
/* pgd exists */
walk_pud(st, pgd, addr);
else
......
arch/s390/include/asm/debug.h
浏览文件 @ ca1579f6
......@@ -10,6 +10,7 @@
#include <linux/spinlock.h>
#include <linux/kernel.h>
#include <linux/time.h>
#include <linux/refcount.h>
#include <uapi/asm/debug.h>
#define DEBUG_MAX_LEVEL 6 /* debug levels range from 0 to 6 */
......@@ -31,7 +32,7 @@ struct debug_view;
typedef struct debug_info {
struct debug_info* next;
struct debug_info* prev;
atomic_t ref_count;
refcount_t ref_count;
spinlock_t lock;
int level;
int nr_areas;
......
arch/s390/include/asm/dis.h
浏览文件 @ ca1579f6
......@@ -40,6 +40,8 @@ static inline int insn_length(unsigned char code)
return ((((int) code + 64) >> 7) + 1) << 1;
}
struct pt_regs;
void show_code(struct pt_regs *regs);
void print_fn_code(unsigned char *code, unsigned long len);
int insn_to_mnemonic(unsigned char *instruction, char *buf, unsigned int len);
......
arch/s390/include/asm/kprobes.h
浏览文件 @ ca1579f6
......@@ -27,12 +27,21 @@
* 2005-Dec Used as a template for s390 by Mike Grundy
* <grundym@us.ibm.com>
*/
#include <linux/types.h>
#include <asm-generic/kprobes.h>
#define BREAKPOINT_INSTRUCTION 0x0002
#define FIXUP_PSW_NORMAL 0x08
#define FIXUP_BRANCH_NOT_TAKEN 0x04
#define FIXUP_RETURN_REGISTER 0x02
#define FIXUP_NOT_REQUIRED 0x01
int probe_is_prohibited_opcode(u16 *insn);
int probe_get_fixup_type(u16 *insn);
int probe_is_insn_relative_long(u16 *insn);
#ifdef CONFIG_KPROBES
#include <linux/types.h>
#include <linux/ptrace.h>
#include <linux/percpu.h>
#include <linux/sched/task_stack.h>
......@@ -56,11 +65,6 @@ typedef u16 kprobe_opcode_t;
#define KPROBE_SWAP_INST 0x10
#define FIXUP_PSW_NORMAL 0x08
#define FIXUP_BRANCH_NOT_TAKEN 0x04
#define FIXUP_RETURN_REGISTER 0x02
#define FIXUP_NOT_REQUIRED 0x01
/* Architecture specific copy of original instruction */
struct arch_specific_insn {
/* copy of original instruction */
......@@ -90,10 +94,6 @@ int kprobe_fault_handler(struct pt_regs *regs, int trapnr);
int kprobe_exceptions_notify(struct notifier_block *self,
unsigned long val, void *data);
int probe_is_prohibited_opcode(u16 *insn);
int probe_get_fixup_type(u16 *insn);
int probe_is_insn_relative_long(u16 *insn);
#define flush_insn_slot(p) do { } while (0)
#endif /* CONFIG_KPROBES */
......
arch/s390/include/asm/sysinfo.h
浏览文件 @ ca1579f6
......@@ -146,7 +146,7 @@ extern int topology_max_mnest;
* Returns the maximum nesting level supported by the cpu topology code.
* The current maximum level is 4 which is the drawer level.
*/
static inline int topology_mnest_limit(void)
static inline unsigned char topology_mnest_limit(void)
{
return min(topology_max_mnest, 4);
}
......
arch/s390/kernel/debug.c
浏览文件 @ ca1579f6
......@@ -277,7 +277,7 @@ debug_info_alloc(const char *name, int pages_per_area, int nr_areas,
memset(rc->views, 0, DEBUG_MAX_VIEWS * sizeof(struct debug_view *));
memset(rc->debugfs_entries, 0 ,DEBUG_MAX_VIEWS *
sizeof(struct dentry*));
atomic_set(&(rc->ref_count), 0);
refcount_set(&(rc->ref_count), 0);
return rc;
......@@ -361,7 +361,7 @@ debug_info_create(const char *name, int pages_per_area, int nr_areas,
debug_area_last = rc;
rc->next = NULL;
debug_info_get(rc);
refcount_set(&rc->ref_count, 1);
out:
return rc;
}
......@@ -416,7 +416,7 @@ static void
debug_info_get(debug_info_t * db_info)
{
if (db_info)
atomic_inc(&db_info->ref_count);
refcount_inc(&db_info->ref_count);
}
/*
......@@ -431,7 +431,7 @@ debug_info_put(debug_info_t *db_info)
if (!db_info)
return;
if (atomic_dec_and_test(&db_info->ref_count)) {
if (refcount_dec_and_test(&db_info->ref_count)) {
for (i = 0; i < DEBUG_MAX_VIEWS; i++) {
if (!db_info->views[i])
continue;
......
arch/s390/kernel/entry.S
浏览文件 @ ca1579f6
......@@ -312,6 +312,7 @@ ENTRY(system_call)
lg %r14,__LC_VDSO_PER_CPU
lmg %r0,%r10,__PT_R0(%r11)
mvc __LC_RETURN_PSW(16),__PT_PSW(%r11)
.Lsysc_exit_timer:
stpt __LC_EXIT_TIMER
mvc __VDSO_ECTG_BASE(16,%r14),__LC_EXIT_TIMER
lmg %r11,%r15,__PT_R11(%r11)
......@@ -623,6 +624,7 @@ ENTRY(io_int_handler)
lg %r14,__LC_VDSO_PER_CPU
lmg %r0,%r10,__PT_R0(%r11)
mvc __LC_RETURN_PSW(16),__PT_PSW(%r11)
.Lio_exit_timer:
stpt __LC_EXIT_TIMER
mvc __VDSO_ECTG_BASE(16,%r14),__LC_EXIT_TIMER
lmg %r11,%r15,__PT_R11(%r11)
......@@ -1174,15 +1176,23 @@ cleanup_critical:
br %r14
.Lcleanup_sysc_restore:
# check if stpt has been executed
clg %r9,BASED(.Lcleanup_sysc_restore_insn)
jh 0f
mvc __LC_EXIT_TIMER(8),__LC_ASYNC_ENTER_TIMER
cghi %r11,__LC_SAVE_AREA_ASYNC
je 0f
mvc __LC_EXIT_TIMER(8),__LC_MCCK_ENTER_TIMER
0: clg %r9,BASED(.Lcleanup_sysc_restore_insn+8)
je 1f
lg %r9,24(%r11) # get saved pointer to pt_regs
mvc __LC_RETURN_PSW(16),__PT_PSW(%r9)
mvc 0(64,%r11),__PT_R8(%r9)
lmg %r0,%r7,__PT_R0(%r9)
0: lmg %r8,%r9,__LC_RETURN_PSW
1: lmg %r8,%r9,__LC_RETURN_PSW
br %r14
.Lcleanup_sysc_restore_insn:
.quad .Lsysc_exit_timer
.quad .Lsysc_done - 4
.Lcleanup_io_tif:
......@@ -1190,15 +1200,20 @@ cleanup_critical:
br %r14
.Lcleanup_io_restore:
# check if stpt has been executed
clg %r9,BASED(.Lcleanup_io_restore_insn)
je 0f
jh 0f
mvc __LC_EXIT_TIMER(8),__LC_MCCK_ENTER_TIMER
0: clg %r9,BASED(.Lcleanup_io_restore_insn+8)
je 1f
lg %r9,24(%r11) # get saved r11 pointer to pt_regs
mvc __LC_RETURN_PSW(16),__PT_PSW(%r9)
mvc 0(64,%r11),__PT_R8(%r9)
lmg %r0,%r7,__PT_R0(%r9)
0: lmg %r8,%r9,__LC_RETURN_PSW
1: lmg %r8,%r9,__LC_RETURN_PSW
br %r14
.Lcleanup_io_restore_insn:
.quad .Lio_exit_timer
.quad .Lio_done - 4
.Lcleanup_idle:
......
arch/s390/kernel/ftrace.c
浏览文件 @ ca1579f6
......@@ -173,6 +173,8 @@ int __init ftrace_dyn_arch_init(void)
return 0;
}
#ifdef CONFIG_MODULES
static int __init ftrace_plt_init(void)
{
unsigned int *ip;
......@@ -191,6 +193,8 @@ static int __init ftrace_plt_init(void)
}
device_initcall(ftrace_plt_init);
#endif /* CONFIG_MODULES */
#ifdef CONFIG_FUNCTION_GRAPH_TRACER
/*
* Hook the return address and push it in the stack of return addresses
......
arch/s390/kernel/vmlinux.lds.S
浏览文件 @ ca1579f6
......@@ -31,8 +31,14 @@ SECTIONS
{
. = 0x00000000;
.text : {
_text = .; /* Text and read-only data */
/* Text and read-only data */
HEAD_TEXT
/*
* E.g. perf doesn't like symbols starting at address zero,
* therefore skip the initial PSW and channel program located
* at address zero and let _text start at 0x200.
*/
_text = 0x200;
TEXT_TEXT
SCHED_TEXT
CPUIDLE_TEXT
......
arch/s390/lib/probes.c
浏览文件 @ ca1579f6
......@@ -4,6 +4,7 @@
* Copyright IBM Corp. 2014
*/
#include <linux/errno.h>
#include <asm/kprobes.h>
#include <asm/dis.h>
......
arch/s390/lib/uaccess.c
浏览文件 @ ca1579f6
......@@ -337,8 +337,8 @@ long __strncpy_from_user(char *dst, const char __user *src, long size)
return 0;
done = 0;
do {
offset = (size_t)src & ~PAGE_MASK;
len = min(size - done, PAGE_SIZE - offset);
offset = (size_t)src & (L1_CACHE_BYTES - 1);
len = min(size - done, L1_CACHE_BYTES - offset);
if (copy_from_user(dst, src, len))
return -EFAULT;
len_str = strnlen(dst, len);
......
arch/sparc/include/asm/hugetlb.h
浏览文件 @ ca1579f6
......@@ -24,9 +24,11 @@ static inline int is_hugepage_only_range(struct mm_struct *mm,
static inline int prepare_hugepage_range(struct file *file,
unsigned long addr, unsigned long len)
{
if (len & ~HPAGE_MASK)
struct hstate *h = hstate_file(file);
if (len & ~huge_page_mask(h))
return -EINVAL;
if (addr & ~HPAGE_MASK)
if (addr & ~huge_page_mask(h))
return -EINVAL;
return 0;
}
......
arch/sparc/include/asm/pgtable_32.h
浏览文件 @ ca1579f6
......@@ -91,9 +91,9 @@ extern unsigned long pfn_base;
* ZERO_PAGE is a global shared page that is always zero: used
* for zero-mapped memory areas etc..
*/
extern unsigned long empty_zero_page;
extern unsigned long empty_zero_page[PAGE_SIZE / sizeof(unsigned long)];
#define ZERO_PAGE(vaddr) (virt_to_page(&empty_zero_page))
#define ZERO_PAGE(vaddr) (virt_to_page(empty_zero_page))
/*
* In general all page table modifications should use the V8 atomic
......
arch/sparc/include/asm/setup.h
浏览文件 @ ca1579f6
......@@ -16,7 +16,7 @@ extern char reboot_command[];
*/
extern unsigned char boot_cpu_id;
extern unsigned long empty_zero_page;
extern unsigned long empty_zero_page[PAGE_SIZE / sizeof(unsigned long)];
extern int serial_console;
static inline int con_is_present(void)
......
arch/sparc/kernel/ftrace.c
浏览文件 @ ca1579f6
......@@ -130,17 +130,16 @@ unsigned long prepare_ftrace_return(unsigned long parent,
if (unlikely(atomic_read(&current->tracing_graph_pause)))
return parent + 8UL;
if (ftrace_push_return_trace(parent, self_addr, &trace.depth,
frame_pointer, NULL) == -EBUSY)
return parent + 8UL;
trace.func = self_addr;
trace.depth = current->curr_ret_stack + 1;
/* Only trace if the calling function expects to */
if (!ftrace_graph_entry(&trace)) {
current->curr_ret_stack--;
if (!ftrace_graph_entry(&trace))
return parent + 8UL;
if (ftrace_push_return_trace(parent, self_addr, &trace.depth,
frame_pointer, NULL) == -EBUSY)
return parent + 8UL;
}
return return_hooker;
}
......
arch/sparc/mm/init_32.c
浏览文件 @ ca1579f6
......@@ -290,7 +290,7 @@ void __init mem_init(void)
/* Saves us work later. */
memset((void *)&empty_zero_page, 0, PAGE_SIZE);
memset((void *)empty_zero_page, 0, PAGE_SIZE);
i = last_valid_pfn >> ((20 - PAGE_SHIFT) + 5);
i += 1;
......
arch/x86/include/asm/kvm_host.h
浏览文件 @ ca1579f6
......@@ -43,7 +43,7 @@
#define KVM_PRIVATE_MEM_SLOTS 3
#define KVM_MEM_SLOTS_NUM (KVM_USER_MEM_SLOTS + KVM_PRIVATE_MEM_SLOTS)
#define KVM_HALT_POLL_NS_DEFAULT 400000
#define KVM_HALT_POLL_NS_DEFAULT 200000
#define KVM_IRQCHIP_NUM_PINS KVM_IOAPIC_NUM_PINS
......
arch/x86/include/asm/uaccess.h
浏览文件 @ ca1579f6
......@@ -319,10 +319,10 @@ do { \
#define __get_user_asm_u64(x, ptr, retval, errret) \
({ \
__typeof__(ptr) __ptr = (ptr); \
asm volatile(ASM_STAC "\n" \
asm volatile("\n" \
"1: movl %2,%%eax\n" \
"2: movl %3,%%edx\n" \
"3: " ASM_CLAC "\n" \
"3:\n" \
".section .fixup,\"ax\"\n" \
"4: mov %4,%0\n" \
" xorl %%eax,%%eax\n" \
......@@ -331,7 +331,7 @@ do { \
".previous\n" \
_ASM_EXTABLE(1b, 4b) \
_ASM_EXTABLE(2b, 4b) \
: "=r" (retval), "=A"(x) \
: "=r" (retval), "=&A"(x) \
: "m" (__m(__ptr)), "m" __m(((u32 *)(__ptr)) + 1), \
"i" (errret), "0" (retval)); \
})
......@@ -703,14 +703,15 @@ extern struct movsl_mask {
#define unsafe_put_user(x, ptr, err_label) \
do { \
int __pu_err; \
__put_user_size((x), (ptr), sizeof(*(ptr)), __pu_err, -EFAULT); \
__typeof__(*(ptr)) __pu_val = (x); \
__put_user_size(__pu_val, (ptr), sizeof(*(ptr)), __pu_err, -EFAULT); \
if (unlikely(__pu_err)) goto err_label; \
} while (0)
#define unsafe_get_user(x, ptr, err_label) \
do { \
int __gu_err; \
unsigned long __gu_val; \
__inttype(*(ptr)) __gu_val; \
__get_user_size(__gu_val, (ptr), sizeof(*(ptr)), __gu_err, -EFAULT); \
(x) = (__force __typeof__(*(ptr)))__gu_val; \
if (unlikely(__gu_err)) goto err_label; \
......
arch/x86/kernel/fpu/init.c
浏览文件 @ ca1579f6
......@@ -90,6 +90,7 @@ static void fpu__init_system_early_generic(struct cpuinfo_x86 *c)
* Boot time FPU feature detection code:
*/
unsigned int mxcsr_feature_mask __read_mostly = 0xffffffffu;
EXPORT_SYMBOL_GPL(mxcsr_feature_mask);
static void __init fpu__init_system_mxcsr(void)
{
......
arch/x86/kvm/emulate.c
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arch/x86/kvm/svm.c
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arch/x86/kvm/vmx.c
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arch/x86/kvm/x86.c
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arch/x86/xen/enlighten_pv.c
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arch/x86/xen/mmu.c
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block/blk-mq.c
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crypto/skcipher.c
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drivers/acpi/button.c
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drivers/base/power/wakeup.c
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drivers/block/drbd/drbd_req.c
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drivers/block/xen-blkback/xenbus.c
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drivers/cpufreq/Kconfig.arm
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drivers/cpufreq/Makefile
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drivers/dax/super.c
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drivers/edac/amd64_edac.c
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drivers/firmware/efi/efi-pstore.c
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drivers/firmware/google/vpd.c
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drivers/firmware/ti_sci.c
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drivers/gpu/drm/amd/amdgpu/ci_dpm.c
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drivers/gpu/drm/arm/hdlcd_crtc.c
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drivers/gpu/drm/drm_plane.c
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drivers/gpu/drm/i915/gvt/handlers.c
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drivers/gpu/drm/i915/gvt/render.c
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drivers/gpu/drm/i915/i915_gem_gtt.c
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drivers/gpu/drm/i915/i915_reg.h
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drivers/gpu/drm/i915/intel_cdclk.c
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drivers/gpu/drm/i915/intel_dsi.c
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drivers/gpu/drm/qxl/qxl_display.c
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drivers/gpu/drm/radeon/ci_dpm.c
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drivers/gpu/drm/radeon/cik.c
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drivers/gpu/drm/radeon/evergreen.c
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drivers/gpu/drm/radeon/r600.c
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drivers/gpu/drm/radeon/radeon_kms.c
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drivers/gpu/drm/radeon/si.c
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drivers/gpu/host1x/Kconfig
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drivers/hwmon/coretemp.c
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drivers/i2c/busses/i2c-mv64xxx.c
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drivers/i2c/busses/i2c-tiny-usb.c
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drivers/i2c/i2c-mux.c
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drivers/i2c/muxes/i2c-mux-reg.c
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drivers/input/mouse/elan_i2c_i2c.c
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drivers/iommu/dma-iommu.c
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drivers/iommu/mtk_iommu_v1.c
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drivers/irqchip/irq-mbigen.c
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drivers/leds/leds-pca955x.c
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drivers/md/dm-bufio.c
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drivers/md/dm-cache-policy-smq.c
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drivers/md/dm-rq.c
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drivers/md/dm-thin-metadata.c
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drivers/md/raid0.c
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drivers/md/raid10.c
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drivers/md/raid5-cache.c
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drivers/md/raid5-log.h
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drivers/md/raid5.c
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drivers/memory/omap-gpmc.c
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drivers/misc/Kconfig
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drivers/mmc/core/pwrseq_simple.c
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drivers/mmc/host/cavium-octeon.c
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drivers/mmc/host/cavium-thunderx.c
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drivers/mmc/host/cavium.c
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drivers/mmc/host/sdhci-iproc.c
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drivers/mmc/host/sdhci-xenon-phy.c
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drivers/mmc/host/sdhci-xenon.c
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drivers/mmc/host/sdhci-xenon.h
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drivers/net/bonding/bond_3ad.c
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drivers/net/bonding/bond_main.c
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drivers/net/dsa/mv88e6xxx/chip.c
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drivers/net/ethernet/8390/ax88796.c
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drivers/net/ethernet/sfc/nic.h
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drivers/net/ethernet/sun/ldmvsw.c
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drivers/net/geneve.c
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drivers/net/gtp.c
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drivers/net/irda/irda-usb.c
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drivers/net/macvlan.c
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drivers/net/phy/Kconfig
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drivers/net/phy/marvell.c
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drivers/net/phy/mdio-mux.c
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drivers/net/phy/mdio_bus.c
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drivers/net/usb/cdc_ether.c
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drivers/net/usb/ch9200.c
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drivers/net/usb/qmi_wwan.c
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drivers/net/usb/smsc95xx.c
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drivers/net/virtio_net.c
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drivers/net/vmxnet3/vmxnet3_drv.c
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drivers/net/vrf.c
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drivers/net/xen-netfront.c
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drivers/nvme/host/core.c
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drivers/nvme/target/core.c
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drivers/nvme/target/nvmet.h
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drivers/pci/dwc/pci-imx6.c
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drivers/pci/pci.c
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drivers/pci/switch/switchtec.c
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drivers/powercap/powercap_sys.c
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drivers/rtc/rtc-cmos.c
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drivers/s390/cio/ccwgroup.c
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drivers/s390/cio/qdio_debug.h
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drivers/s390/net/qeth_core.h
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drivers/s390/net/qeth_core_main.c
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drivers/s390/net/qeth_core_sys.c
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drivers/s390/net/qeth_l2.h
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drivers/s390/net/qeth_l2_main.c
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drivers/s390/net/qeth_l2_sys.c
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drivers/s390/net/qeth_l3_main.c
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drivers/s390/virtio/virtio_ccw.c
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drivers/scsi/csiostor/csio_hw.c
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drivers/scsi/cxlflash/Kconfig
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drivers/scsi/lpfc/lpfc_debugfs.c
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drivers/scsi/lpfc/lpfc_init.c
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drivers/scsi/lpfc/lpfc_nportdisc.c
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drivers/scsi/lpfc/lpfc_nvmet.c
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drivers/scsi/lpfc/lpfc_version.h
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drivers/scsi/pmcraid.c
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drivers/scsi/qedf/qedf_main.c
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drivers/scsi/ufs/ufshcd.c
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drivers/soc/bcm/brcmstb/common.c
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drivers/soc/ti/knav_dma.c
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drivers/staging/android/ion/devicetree.txt 已删除 100644 → 0
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drivers/staging/fsl-dpaa2/Kconfig
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drivers/usb/dwc3/dwc3-keystone.c
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drivers/usb/dwc3/dwc3-pci.c
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kernel/trace/trace_kprobe.c
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lib/test_bpf.c
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net/9p/trans_xen.c
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net/bridge/br_netlink.c
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net/bridge/br_stp_if.c
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net/bridge/netfilter/ebtables.c
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net/mac80211/rx.c
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net/netfilter/nf_nat_core.c
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net/netfilter/nf_tables_api.c
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net/netfilter/nfnetlink_cthelper.c
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net/netfilter/nft_bitwise.c
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net/netfilter/nft_cmp.c
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net/netfilter/nft_ct.c
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net/netfilter/nft_immediate.c
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net/netfilter/nft_range.c
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net/netfilter/nft_set_hash.c
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net/netfilter/x_tables.c
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net/netfilter/xt_CT.c
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net/openvswitch/conntrack.c
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net/packet/af_packet.c
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net/sched/cls_matchall.c
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net/sctp/sm_make_chunk.c
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net/sctp/sm_statefuns.c
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net/smc/smc_clc.c
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net/x25/af_x25.c
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net/x25/sysctl_net_x25.c
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net/xfrm/xfrm_device.c
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samples/bpf/offwaketime_user.c
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scripts/dtc/include-prefixes/nios2 0 → 120000
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scripts/dtc/include-prefixes/openrisc 0 → 120000
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scripts/dtc/include-prefixes/powerpc 0 → 120000
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scripts/dtc/include-prefixes/sh 0 → 120000
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scripts/dtc/include-prefixes/xtensa 0 → 120000
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sound/pci/hda/patch_realtek.c
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sound/pci/hda/patch_sigmatel.c
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sound/usb/quirks.c
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sound/x86/intel_hdmi_audio.c
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tools/build/feature/test-bpf.c
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tools/include/linux/filter.h
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tools/include/uapi/linux/bpf.h
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tools/lib/bpf/bpf.c
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tools/lib/bpf/bpf.h
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tools/power/acpi/.gitignore 0 → 100644
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tools/testing/selftests/bpf/include/uapi/linux/types.h 0 → 100644
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tools/testing/selftests/bpf/test_align.c 0 → 100644
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tools/testing/selftests/powerpc/tm/tm-vmx-unavail.c 0 → 100644
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virt/kvm/arm/hyp/vgic-v3-sr.c
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virt/kvm/arm/mmu.c
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virt/kvm/arm/vgic/vgic-init.c
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virt/kvm/arm/vgic/vgic-mmio-v3.c
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virt/kvm/arm/vgic/vgic-v2.c
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virt/kvm/arm/vgic/vgic-v3.c
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