* Re: Linux 6.18.1
2025-12-12 17:51 Linux 6.18.1 Greg Kroah-Hartman
@ 2025-12-12 17:51 ` Greg Kroah-Hartman
0 siblings, 0 replies; 2+ messages in thread
From: Greg Kroah-Hartman @ 2025-12-12 17:51 UTC (permalink / raw)
To: linux-kernel, akpm, torvalds, stable; +Cc: lwn, jslaby, Greg Kroah-Hartman
diff --git a/Documentation/devicetree/bindings/serial/renesas,rsci.yaml b/Documentation/devicetree/bindings/serial/renesas,rsci.yaml
index f50d8e02f476..6b1f827a335b 100644
--- a/Documentation/devicetree/bindings/serial/renesas,rsci.yaml
+++ b/Documentation/devicetree/bindings/serial/renesas,rsci.yaml
@@ -54,8 +54,6 @@ properties:
power-domains:
maxItems: 1
- uart-has-rtscts: false
-
required:
- compatible
- reg
diff --git a/Documentation/process/2.Process.rst b/Documentation/process/2.Process.rst
index ef3b116492df..f4fc0da8999d 100644
--- a/Documentation/process/2.Process.rst
+++ b/Documentation/process/2.Process.rst
@@ -104,8 +104,10 @@ kernels go out with a handful of known regressions though, hopefully, none
of them are serious.
Once a stable release is made, its ongoing maintenance is passed off to the
-"stable team," currently Greg Kroah-Hartman. The stable team will release
-occasional updates to the stable release using the 5.x.y numbering scheme.
+"stable team," currently consists of Greg Kroah-Hartman and Sasha Levin. The
+stable team will release occasional updates to the stable release using the
+5.x.y numbering scheme.
+
To be considered for an update release, a patch must (1) fix a significant
bug, and (2) already be merged into the mainline for the next development
kernel. Kernels will typically receive stable updates for a little more
diff --git a/Documentation/tools/rtla/common_appendix.rst b/Documentation/tools/rtla/common_appendix.rst
deleted file mode 100644
index 53cae7537537..000000000000
--- a/Documentation/tools/rtla/common_appendix.rst
+++ /dev/null
@@ -1,24 +0,0 @@
-.. SPDX-License-Identifier: GPL-2.0
-
-EXIT STATUS
-===========
-
-::
-
- 0 Passed: the test did not hit the stop tracing condition
- 1 Error: invalid argument
- 2 Failed: the test hit the stop tracing condition
-
-REPORTING BUGS
-==============
-Report bugs to <linux-kernel@vger.kernel.org>
-and <linux-trace-devel@vger.kernel.org>
-
-LICENSE
-=======
-**rtla** is Free Software licensed under the GNU GPLv2
-
-COPYING
-=======
-Copyright \(C) 2021 Red Hat, Inc. Free use of this software is granted under
-the terms of the GNU Public License (GPL).
diff --git a/Documentation/tools/rtla/common_appendix.txt b/Documentation/tools/rtla/common_appendix.txt
new file mode 100644
index 000000000000..53cae7537537
--- /dev/null
+++ b/Documentation/tools/rtla/common_appendix.txt
@@ -0,0 +1,24 @@
+.. SPDX-License-Identifier: GPL-2.0
+
+EXIT STATUS
+===========
+
+::
+
+ 0 Passed: the test did not hit the stop tracing condition
+ 1 Error: invalid argument
+ 2 Failed: the test hit the stop tracing condition
+
+REPORTING BUGS
+==============
+Report bugs to <linux-kernel@vger.kernel.org>
+and <linux-trace-devel@vger.kernel.org>
+
+LICENSE
+=======
+**rtla** is Free Software licensed under the GNU GPLv2
+
+COPYING
+=======
+Copyright \(C) 2021 Red Hat, Inc. Free use of this software is granted under
+the terms of the GNU Public License (GPL).
diff --git a/Documentation/tools/rtla/common_hist_options.rst b/Documentation/tools/rtla/common_hist_options.rst
deleted file mode 100644
index df53ff835bfb..000000000000
--- a/Documentation/tools/rtla/common_hist_options.rst
+++ /dev/null
@@ -1,23 +0,0 @@
-**-b**, **--bucket-size** *N*
-
- Set the histogram bucket size (default *1*).
-
-**-E**, **--entries** *N*
-
- Set the number of entries of the histogram (default 256).
-
-**--no-header**
-
- Do not print header.
-
-**--no-summary**
-
- Do not print summary.
-
-**--no-index**
-
- Do not print index.
-
-**--with-zeros**
-
- Print zero only entries.
diff --git a/Documentation/tools/rtla/common_hist_options.txt b/Documentation/tools/rtla/common_hist_options.txt
new file mode 100644
index 000000000000..df53ff835bfb
--- /dev/null
+++ b/Documentation/tools/rtla/common_hist_options.txt
@@ -0,0 +1,23 @@
+**-b**, **--bucket-size** *N*
+
+ Set the histogram bucket size (default *1*).
+
+**-E**, **--entries** *N*
+
+ Set the number of entries of the histogram (default 256).
+
+**--no-header**
+
+ Do not print header.
+
+**--no-summary**
+
+ Do not print summary.
+
+**--no-index**
+
+ Do not print index.
+
+**--with-zeros**
+
+ Print zero only entries.
diff --git a/Documentation/tools/rtla/common_options.rst b/Documentation/tools/rtla/common_options.rst
deleted file mode 100644
index 77ef35d3f831..000000000000
--- a/Documentation/tools/rtla/common_options.rst
+++ /dev/null
@@ -1,119 +0,0 @@
-**-c**, **--cpus** *cpu-list*
-
- Set the osnoise tracer to run the sample threads in the cpu-list.
-
-**-H**, **--house-keeping** *cpu-list*
-
- Run rtla control threads only on the given cpu-list.
-
-**-d**, **--duration** *time[s|m|h|d]*
-
- Set the duration of the session.
-
-**-D**, **--debug**
-
- Print debug info.
-
-**-e**, **--event** *sys:event*
-
- Enable an event in the trace (**-t**) session. The argument can be a specific event, e.g., **-e** *sched:sched_switch*, or all events of a system group, e.g., **-e** *sched*. Multiple **-e** are allowed. It is only active when **-t** or **-a** are set.
-
-**--filter** *<filter>*
-
- Filter the previous **-e** *sys:event* event with *<filter>*. For further information about event filtering see https://www.kernel.org/doc/html/latest/trace/events.html#event-filtering.
-
-**--trigger** *<trigger>*
- Enable a trace event trigger to the previous **-e** *sys:event*.
- If the *hist:* trigger is activated, the output histogram will be automatically saved to a file named *system_event_hist.txt*.
- For example, the command:
-
- rtla <command> <mode> -t -e osnoise:irq_noise --trigger="hist:key=desc,duration/1000:sort=desc,duration/1000:vals=hitcount"
-
- Will automatically save the content of the histogram associated to *osnoise:irq_noise* event in *osnoise_irq_noise_hist.txt*.
-
- For further information about event trigger see https://www.kernel.org/doc/html/latest/trace/events.html#event-triggers.
-
-**-P**, **--priority** *o:prio|r:prio|f:prio|d:runtime:period*
-
- Set scheduling parameters to the osnoise tracer threads, the format to set the priority are:
-
- - *o:prio* - use SCHED_OTHER with *prio*;
- - *r:prio* - use SCHED_RR with *prio*;
- - *f:prio* - use SCHED_FIFO with *prio*;
- - *d:runtime[us|ms|s]:period[us|ms|s]* - use SCHED_DEADLINE with *runtime* and *period* in nanoseconds.
-
-**-C**, **--cgroup**\[*=cgroup*]
-
- Set a *cgroup* to the tracer's threads. If the **-C** option is passed without arguments, the tracer's thread will inherit **rtla**'s *cgroup*. Otherwise, the threads will be placed on the *cgroup* passed to the option.
-
-**--warm-up** *s*
-
- After starting the workload, let it run for *s* seconds before starting collecting the data, allowing the system to warm-up. Statistical data generated during warm-up is discarded.
-
-**--trace-buffer-size** *kB*
- Set the per-cpu trace buffer size in kB for the tracing output.
-
-**--on-threshold** *action*
-
- Defines an action to be executed when tracing is stopped on a latency threshold
- specified by |threshold|.
-
- Multiple --on-threshold actions may be specified, and they will be executed in
- the order they are provided. If any action fails, subsequent actions in the list
- will not be executed.
-
- Supported actions are:
-
- - *trace[,file=<filename>]*
-
- Saves trace output, optionally taking a filename. Alternative to -t/--trace.
- Note that nlike -t/--trace, specifying this multiple times will result in
- the trace being saved multiple times.
-
- - *signal,num=<sig>,pid=<pid>*
-
- Sends signal to process. "parent" might be specified in place of pid to target
- the parent process of rtla.
-
- - *shell,command=<command>*
-
- Execute shell command.
-
- - *continue*
-
- Continue tracing after actions are executed instead of stopping.
-
- Example:
-
- $ rtla |tool| |thresharg| 20 --on-threshold trace
- --on-threshold shell,command="grep ipi_send |tracer|\_trace.txt"
- --on-threshold signal,num=2,pid=parent
-
- This will save a trace with the default filename "|tracer|\_trace.txt", print its
- lines that contain the text "ipi_send" on standard output, and send signal 2
- (SIGINT) to the parent process.
-
- Performance Considerations:
-
- |actionsperf|
-
-**--on-end** *action*
-
- Defines an action to be executed at the end of tracing.
-
- Multiple --on-end actions can be specified, and they will be executed in the order
- they are provided. If any action fails, subsequent actions in the list will not be
- executed.
-
- See the documentation for **--on-threshold** for the list of supported actions, with
- the exception that *continue* has no effect.
-
- Example:
-
- $ rtla |tool| -d 5s --on-end trace
-
- This runs rtla with the default options, and saves trace output at the end.
-
-**-h**, **--help**
-
- Print help menu.
diff --git a/Documentation/tools/rtla/common_options.txt b/Documentation/tools/rtla/common_options.txt
new file mode 100644
index 000000000000..77ef35d3f831
--- /dev/null
+++ b/Documentation/tools/rtla/common_options.txt
@@ -0,0 +1,119 @@
+**-c**, **--cpus** *cpu-list*
+
+ Set the osnoise tracer to run the sample threads in the cpu-list.
+
+**-H**, **--house-keeping** *cpu-list*
+
+ Run rtla control threads only on the given cpu-list.
+
+**-d**, **--duration** *time[s|m|h|d]*
+
+ Set the duration of the session.
+
+**-D**, **--debug**
+
+ Print debug info.
+
+**-e**, **--event** *sys:event*
+
+ Enable an event in the trace (**-t**) session. The argument can be a specific event, e.g., **-e** *sched:sched_switch*, or all events of a system group, e.g., **-e** *sched*. Multiple **-e** are allowed. It is only active when **-t** or **-a** are set.
+
+**--filter** *<filter>*
+
+ Filter the previous **-e** *sys:event* event with *<filter>*. For further information about event filtering see https://www.kernel.org/doc/html/latest/trace/events.html#event-filtering.
+
+**--trigger** *<trigger>*
+ Enable a trace event trigger to the previous **-e** *sys:event*.
+ If the *hist:* trigger is activated, the output histogram will be automatically saved to a file named *system_event_hist.txt*.
+ For example, the command:
+
+ rtla <command> <mode> -t -e osnoise:irq_noise --trigger="hist:key=desc,duration/1000:sort=desc,duration/1000:vals=hitcount"
+
+ Will automatically save the content of the histogram associated to *osnoise:irq_noise* event in *osnoise_irq_noise_hist.txt*.
+
+ For further information about event trigger see https://www.kernel.org/doc/html/latest/trace/events.html#event-triggers.
+
+**-P**, **--priority** *o:prio|r:prio|f:prio|d:runtime:period*
+
+ Set scheduling parameters to the osnoise tracer threads, the format to set the priority are:
+
+ - *o:prio* - use SCHED_OTHER with *prio*;
+ - *r:prio* - use SCHED_RR with *prio*;
+ - *f:prio* - use SCHED_FIFO with *prio*;
+ - *d:runtime[us|ms|s]:period[us|ms|s]* - use SCHED_DEADLINE with *runtime* and *period* in nanoseconds.
+
+**-C**, **--cgroup**\[*=cgroup*]
+
+ Set a *cgroup* to the tracer's threads. If the **-C** option is passed without arguments, the tracer's thread will inherit **rtla**'s *cgroup*. Otherwise, the threads will be placed on the *cgroup* passed to the option.
+
+**--warm-up** *s*
+
+ After starting the workload, let it run for *s* seconds before starting collecting the data, allowing the system to warm-up. Statistical data generated during warm-up is discarded.
+
+**--trace-buffer-size** *kB*
+ Set the per-cpu trace buffer size in kB for the tracing output.
+
+**--on-threshold** *action*
+
+ Defines an action to be executed when tracing is stopped on a latency threshold
+ specified by |threshold|.
+
+ Multiple --on-threshold actions may be specified, and they will be executed in
+ the order they are provided. If any action fails, subsequent actions in the list
+ will not be executed.
+
+ Supported actions are:
+
+ - *trace[,file=<filename>]*
+
+ Saves trace output, optionally taking a filename. Alternative to -t/--trace.
+ Note that nlike -t/--trace, specifying this multiple times will result in
+ the trace being saved multiple times.
+
+ - *signal,num=<sig>,pid=<pid>*
+
+ Sends signal to process. "parent" might be specified in place of pid to target
+ the parent process of rtla.
+
+ - *shell,command=<command>*
+
+ Execute shell command.
+
+ - *continue*
+
+ Continue tracing after actions are executed instead of stopping.
+
+ Example:
+
+ $ rtla |tool| |thresharg| 20 --on-threshold trace
+ --on-threshold shell,command="grep ipi_send |tracer|\_trace.txt"
+ --on-threshold signal,num=2,pid=parent
+
+ This will save a trace with the default filename "|tracer|\_trace.txt", print its
+ lines that contain the text "ipi_send" on standard output, and send signal 2
+ (SIGINT) to the parent process.
+
+ Performance Considerations:
+
+ |actionsperf|
+
+**--on-end** *action*
+
+ Defines an action to be executed at the end of tracing.
+
+ Multiple --on-end actions can be specified, and they will be executed in the order
+ they are provided. If any action fails, subsequent actions in the list will not be
+ executed.
+
+ See the documentation for **--on-threshold** for the list of supported actions, with
+ the exception that *continue* has no effect.
+
+ Example:
+
+ $ rtla |tool| -d 5s --on-end trace
+
+ This runs rtla with the default options, and saves trace output at the end.
+
+**-h**, **--help**
+
+ Print help menu.
diff --git a/Documentation/tools/rtla/common_osnoise_description.rst b/Documentation/tools/rtla/common_osnoise_description.rst
deleted file mode 100644
index d5d61615b967..000000000000
--- a/Documentation/tools/rtla/common_osnoise_description.rst
+++ /dev/null
@@ -1,8 +0,0 @@
-The **rtla osnoise** tool is an interface for the *osnoise* tracer. The
-*osnoise* tracer dispatches a kernel thread per-cpu. These threads read the
-time in a loop while with preemption, softirq and IRQs enabled, thus
-allowing all the sources of operating system noise during its execution.
-The *osnoise*'s tracer threads take note of the delta between each time
-read, along with an interference counter of all sources of interference.
-At the end of each period, the *osnoise* tracer displays a summary of
-the results.
diff --git a/Documentation/tools/rtla/common_osnoise_description.txt b/Documentation/tools/rtla/common_osnoise_description.txt
new file mode 100644
index 000000000000..d5d61615b967
--- /dev/null
+++ b/Documentation/tools/rtla/common_osnoise_description.txt
@@ -0,0 +1,8 @@
+The **rtla osnoise** tool is an interface for the *osnoise* tracer. The
+*osnoise* tracer dispatches a kernel thread per-cpu. These threads read the
+time in a loop while with preemption, softirq and IRQs enabled, thus
+allowing all the sources of operating system noise during its execution.
+The *osnoise*'s tracer threads take note of the delta between each time
+read, along with an interference counter of all sources of interference.
+At the end of each period, the *osnoise* tracer displays a summary of
+the results.
diff --git a/Documentation/tools/rtla/common_osnoise_options.rst b/Documentation/tools/rtla/common_osnoise_options.rst
deleted file mode 100644
index bd3c4f499193..000000000000
--- a/Documentation/tools/rtla/common_osnoise_options.rst
+++ /dev/null
@@ -1,39 +0,0 @@
-.. |threshold| replace:: **-a/--auto**, **-s/--stop**, or **-S/--stop-total**
-.. |thresharg| replace:: -s
-.. |tracer| replace:: osnoise
-
-.. |actionsperf| replace::
- Due to implementational limitations, actions might be delayed
- up to one second after tracing is stopped.
-
-**-a**, **--auto** *us*
-
- Set the automatic trace mode. This mode sets some commonly used options
- while debugging the system. It is equivalent to use **-s** *us* **-T 1 -t**.
-
-**-p**, **--period** *us*
-
- Set the *osnoise* tracer period in microseconds.
-
-**-r**, **--runtime** *us*
-
- Set the *osnoise* tracer runtime in microseconds.
-
-**-s**, **--stop** *us*
-
- Stop the trace if a single sample is higher than the argument in microseconds.
- If **-T** is set, it will also save the trace to the output.
-
-**-S**, **--stop-total** *us*
-
- Stop the trace if the total sample is higher than the argument in microseconds.
- If **-T** is set, it will also save the trace to the output.
-
-**-T**, **--threshold** *us*
-
- Specify the minimum delta between two time reads to be considered noise.
- The default threshold is *5 us*.
-
-**-t**, **--trace** \[*file*]
-
- Save the stopped trace to [*file|osnoise_trace.txt*].
diff --git a/Documentation/tools/rtla/common_osnoise_options.txt b/Documentation/tools/rtla/common_osnoise_options.txt
new file mode 100644
index 000000000000..bd3c4f499193
--- /dev/null
+++ b/Documentation/tools/rtla/common_osnoise_options.txt
@@ -0,0 +1,39 @@
+.. |threshold| replace:: **-a/--auto**, **-s/--stop**, or **-S/--stop-total**
+.. |thresharg| replace:: -s
+.. |tracer| replace:: osnoise
+
+.. |actionsperf| replace::
+ Due to implementational limitations, actions might be delayed
+ up to one second after tracing is stopped.
+
+**-a**, **--auto** *us*
+
+ Set the automatic trace mode. This mode sets some commonly used options
+ while debugging the system. It is equivalent to use **-s** *us* **-T 1 -t**.
+
+**-p**, **--period** *us*
+
+ Set the *osnoise* tracer period in microseconds.
+
+**-r**, **--runtime** *us*
+
+ Set the *osnoise* tracer runtime in microseconds.
+
+**-s**, **--stop** *us*
+
+ Stop the trace if a single sample is higher than the argument in microseconds.
+ If **-T** is set, it will also save the trace to the output.
+
+**-S**, **--stop-total** *us*
+
+ Stop the trace if the total sample is higher than the argument in microseconds.
+ If **-T** is set, it will also save the trace to the output.
+
+**-T**, **--threshold** *us*
+
+ Specify the minimum delta between two time reads to be considered noise.
+ The default threshold is *5 us*.
+
+**-t**, **--trace** \[*file*]
+
+ Save the stopped trace to [*file|osnoise_trace.txt*].
diff --git a/Documentation/tools/rtla/common_timerlat_aa.rst b/Documentation/tools/rtla/common_timerlat_aa.rst
deleted file mode 100644
index 077029e6b289..000000000000
--- a/Documentation/tools/rtla/common_timerlat_aa.rst
+++ /dev/null
@@ -1,7 +0,0 @@
-**--dump-tasks**
-
- prints the task running on all CPUs if stop conditions are met (depends on !--no-aa)
-
-**--no-aa**
-
- disable auto-analysis, reducing rtla timerlat cpu usage
diff --git a/Documentation/tools/rtla/common_timerlat_aa.txt b/Documentation/tools/rtla/common_timerlat_aa.txt
new file mode 100644
index 000000000000..077029e6b289
--- /dev/null
+++ b/Documentation/tools/rtla/common_timerlat_aa.txt
@@ -0,0 +1,7 @@
+**--dump-tasks**
+
+ prints the task running on all CPUs if stop conditions are met (depends on !--no-aa)
+
+**--no-aa**
+
+ disable auto-analysis, reducing rtla timerlat cpu usage
diff --git a/Documentation/tools/rtla/common_timerlat_description.rst b/Documentation/tools/rtla/common_timerlat_description.rst
deleted file mode 100644
index 49fcae3ffdec..000000000000
--- a/Documentation/tools/rtla/common_timerlat_description.rst
+++ /dev/null
@@ -1,18 +0,0 @@
-The **rtla timerlat** tool is an interface for the *timerlat* tracer. The
-*timerlat* tracer dispatches a kernel thread per-cpu. These threads
-set a periodic timer to wake themselves up and go back to sleep. After
-the wakeup, they collect and generate useful information for the
-debugging of operating system timer latency.
-
-The *timerlat* tracer outputs information in two ways. It periodically
-prints the timer latency at the timer *IRQ* handler and the *Thread*
-handler. It also enables the trace of the most relevant information via
-**osnoise:** tracepoints.
-
-The **rtla timerlat** tool sets the options of the *timerlat* tracer
-and collects and displays a summary of the results. By default,
-the collection is done synchronously in kernel space using a dedicated
-BPF program attached to the *timerlat* tracer. If either BPF or
-the **osnoise:timerlat_sample** tracepoint it attaches to is
-unavailable, the **rtla timerlat** tool falls back to using tracefs to
-process the data asynchronously in user space.
diff --git a/Documentation/tools/rtla/common_timerlat_description.txt b/Documentation/tools/rtla/common_timerlat_description.txt
new file mode 100644
index 000000000000..49fcae3ffdec
--- /dev/null
+++ b/Documentation/tools/rtla/common_timerlat_description.txt
@@ -0,0 +1,18 @@
+The **rtla timerlat** tool is an interface for the *timerlat* tracer. The
+*timerlat* tracer dispatches a kernel thread per-cpu. These threads
+set a periodic timer to wake themselves up and go back to sleep. After
+the wakeup, they collect and generate useful information for the
+debugging of operating system timer latency.
+
+The *timerlat* tracer outputs information in two ways. It periodically
+prints the timer latency at the timer *IRQ* handler and the *Thread*
+handler. It also enables the trace of the most relevant information via
+**osnoise:** tracepoints.
+
+The **rtla timerlat** tool sets the options of the *timerlat* tracer
+and collects and displays a summary of the results. By default,
+the collection is done synchronously in kernel space using a dedicated
+BPF program attached to the *timerlat* tracer. If either BPF or
+the **osnoise:timerlat_sample** tracepoint it attaches to is
+unavailable, the **rtla timerlat** tool falls back to using tracefs to
+process the data asynchronously in user space.
diff --git a/Documentation/tools/rtla/common_timerlat_options.rst b/Documentation/tools/rtla/common_timerlat_options.rst
deleted file mode 100644
index 1f5d024b53aa..000000000000
--- a/Documentation/tools/rtla/common_timerlat_options.rst
+++ /dev/null
@@ -1,67 +0,0 @@
-.. |threshold| replace:: **-a/--auto**, **-i/--irq**, or **-T/--thread**
-.. |thresharg| replace:: -T
-.. |tracer| replace:: timerlat
-
-.. |actionsperf| replace::
- For time-sensitive actions, it is recommended to run **rtla timerlat** with BPF
- support and RT priority. Note that due to implementational limitations, actions
- might be delayed up to one second after tracing is stopped if BPF mode is not
- available or disabled.
-
-**-a**, **--auto** *us*
-
- Set the automatic trace mode. This mode sets some commonly used options
- while debugging the system. It is equivalent to use **-T** *us* **-s** *us*
- **-t**. By default, *timerlat* tracer uses FIFO:95 for *timerlat* threads,
- thus equilavent to **-P** *f:95*.
-
-**-p**, **--period** *us*
-
- Set the *timerlat* tracer period in microseconds.
-
-**-i**, **--irq** *us*
-
- Stop trace if the *IRQ* latency is higher than the argument in us.
-
-**-T**, **--thread** *us*
-
- Stop trace if the *Thread* latency is higher than the argument in us.
-
-**-s**, **--stack** *us*
-
- Save the stack trace at the *IRQ* if a *Thread* latency is higher than the
- argument in us.
-
-**-t**, **--trace** \[*file*]
-
- Save the stopped trace to [*file|timerlat_trace.txt*].
-
-**--dma-latency** *us*
- Set the /dev/cpu_dma_latency to *us*, aiming to bound exit from idle latencies.
- *cyclictest* sets this value to *0* by default, use **--dma-latency** *0* to have
- similar results.
-
-**--deepest-idle-state** *n*
- Disable idle states higher than *n* for cpus that are running timerlat threads to
- reduce exit from idle latencies. If *n* is -1, all idle states are disabled.
- On exit from timerlat, the idle state setting is restored to its original state
- before running timerlat.
-
- Requires rtla to be built with libcpupower.
-
-**-k**, **--kernel-threads**
-
- Use timerlat kernel-space threads, in contrast of **-u**.
-
-**-u**, **--user-threads**
-
- Set timerlat to run without a workload, and then dispatches user-space workloads
- to wait on the timerlat_fd. Once the workload is awakes, it goes to sleep again
- adding so the measurement for the kernel-to-user and user-to-kernel to the tracer
- output. **--user-threads** will be used unless the user specify **-k**.
-
-**-U**, **--user-load**
-
- Set timerlat to run without workload, waiting for the user to dispatch a per-cpu
- task that waits for a new period on the tracing/osnoise/per_cpu/cpu$ID/timerlat_fd.
- See linux/tools/rtla/sample/timerlat_load.py for an example of user-load code.
diff --git a/Documentation/tools/rtla/common_timerlat_options.txt b/Documentation/tools/rtla/common_timerlat_options.txt
new file mode 100644
index 000000000000..1f5d024b53aa
--- /dev/null
+++ b/Documentation/tools/rtla/common_timerlat_options.txt
@@ -0,0 +1,67 @@
+.. |threshold| replace:: **-a/--auto**, **-i/--irq**, or **-T/--thread**
+.. |thresharg| replace:: -T
+.. |tracer| replace:: timerlat
+
+.. |actionsperf| replace::
+ For time-sensitive actions, it is recommended to run **rtla timerlat** with BPF
+ support and RT priority. Note that due to implementational limitations, actions
+ might be delayed up to one second after tracing is stopped if BPF mode is not
+ available or disabled.
+
+**-a**, **--auto** *us*
+
+ Set the automatic trace mode. This mode sets some commonly used options
+ while debugging the system. It is equivalent to use **-T** *us* **-s** *us*
+ **-t**. By default, *timerlat* tracer uses FIFO:95 for *timerlat* threads,
+ thus equilavent to **-P** *f:95*.
+
+**-p**, **--period** *us*
+
+ Set the *timerlat* tracer period in microseconds.
+
+**-i**, **--irq** *us*
+
+ Stop trace if the *IRQ* latency is higher than the argument in us.
+
+**-T**, **--thread** *us*
+
+ Stop trace if the *Thread* latency is higher than the argument in us.
+
+**-s**, **--stack** *us*
+
+ Save the stack trace at the *IRQ* if a *Thread* latency is higher than the
+ argument in us.
+
+**-t**, **--trace** \[*file*]
+
+ Save the stopped trace to [*file|timerlat_trace.txt*].
+
+**--dma-latency** *us*
+ Set the /dev/cpu_dma_latency to *us*, aiming to bound exit from idle latencies.
+ *cyclictest* sets this value to *0* by default, use **--dma-latency** *0* to have
+ similar results.
+
+**--deepest-idle-state** *n*
+ Disable idle states higher than *n* for cpus that are running timerlat threads to
+ reduce exit from idle latencies. If *n* is -1, all idle states are disabled.
+ On exit from timerlat, the idle state setting is restored to its original state
+ before running timerlat.
+
+ Requires rtla to be built with libcpupower.
+
+**-k**, **--kernel-threads**
+
+ Use timerlat kernel-space threads, in contrast of **-u**.
+
+**-u**, **--user-threads**
+
+ Set timerlat to run without a workload, and then dispatches user-space workloads
+ to wait on the timerlat_fd. Once the workload is awakes, it goes to sleep again
+ adding so the measurement for the kernel-to-user and user-to-kernel to the tracer
+ output. **--user-threads** will be used unless the user specify **-k**.
+
+**-U**, **--user-load**
+
+ Set timerlat to run without workload, waiting for the user to dispatch a per-cpu
+ task that waits for a new period on the tracing/osnoise/per_cpu/cpu$ID/timerlat_fd.
+ See linux/tools/rtla/sample/timerlat_load.py for an example of user-load code.
diff --git a/Documentation/tools/rtla/common_top_options.rst b/Documentation/tools/rtla/common_top_options.rst
deleted file mode 100644
index f48878938f84..000000000000
--- a/Documentation/tools/rtla/common_top_options.rst
+++ /dev/null
@@ -1,3 +0,0 @@
-**-q**, **--quiet**
-
- Print only a summary at the end of the session.
diff --git a/Documentation/tools/rtla/common_top_options.txt b/Documentation/tools/rtla/common_top_options.txt
new file mode 100644
index 000000000000..f48878938f84
--- /dev/null
+++ b/Documentation/tools/rtla/common_top_options.txt
@@ -0,0 +1,3 @@
+**-q**, **--quiet**
+
+ Print only a summary at the end of the session.
diff --git a/Documentation/tools/rtla/rtla-hwnoise.rst b/Documentation/tools/rtla/rtla-hwnoise.rst
index 3a7163c02ac8..26512b15fe7b 100644
--- a/Documentation/tools/rtla/rtla-hwnoise.rst
+++ b/Documentation/tools/rtla/rtla-hwnoise.rst
@@ -29,11 +29,11 @@ collection of the tracer output.
OPTIONS
=======
-.. include:: common_osnoise_options.rst
+.. include:: common_osnoise_options.txt
-.. include:: common_top_options.rst
+.. include:: common_top_options.txt
-.. include:: common_options.rst
+.. include:: common_options.txt
EXAMPLE
=======
@@ -106,4 +106,4 @@ AUTHOR
======
Written by Daniel Bristot de Oliveira <bristot@kernel.org>
-.. include:: common_appendix.rst
+.. include:: common_appendix.txt
diff --git a/Documentation/tools/rtla/rtla-osnoise-hist.rst b/Documentation/tools/rtla/rtla-osnoise-hist.rst
index 1fc60ef26106..007521c865d9 100644
--- a/Documentation/tools/rtla/rtla-osnoise-hist.rst
+++ b/Documentation/tools/rtla/rtla-osnoise-hist.rst
@@ -15,7 +15,7 @@ SYNOPSIS
DESCRIPTION
===========
-.. include:: common_osnoise_description.rst
+.. include:: common_osnoise_description.txt
The **rtla osnoise hist** tool collects all **osnoise:sample_threshold**
occurrence in a histogram, displaying the results in a user-friendly way.
@@ -24,11 +24,11 @@ collection of the tracer output.
OPTIONS
=======
-.. include:: common_osnoise_options.rst
+.. include:: common_osnoise_options.txt
-.. include:: common_hist_options.rst
+.. include:: common_hist_options.txt
-.. include:: common_options.rst
+.. include:: common_options.txt
EXAMPLE
=======
@@ -65,4 +65,4 @@ AUTHOR
======
Written by Daniel Bristot de Oliveira <bristot@kernel.org>
-.. include:: common_appendix.rst
+.. include:: common_appendix.txt
diff --git a/Documentation/tools/rtla/rtla-osnoise-top.rst b/Documentation/tools/rtla/rtla-osnoise-top.rst
index b1cbd7bcd4ae..6ccadae38945 100644
--- a/Documentation/tools/rtla/rtla-osnoise-top.rst
+++ b/Documentation/tools/rtla/rtla-osnoise-top.rst
@@ -15,7 +15,7 @@ SYNOPSIS
DESCRIPTION
===========
-.. include:: common_osnoise_description.rst
+.. include:: common_osnoise_description.txt
**rtla osnoise top** collects the periodic summary from the *osnoise* tracer,
including the counters of the occurrence of the interference source,
@@ -26,11 +26,11 @@ collection of the tracer output.
OPTIONS
=======
-.. include:: common_osnoise_options.rst
+.. include:: common_osnoise_options.txt
-.. include:: common_top_options.rst
+.. include:: common_top_options.txt
-.. include:: common_options.rst
+.. include:: common_options.txt
EXAMPLE
=======
@@ -60,4 +60,4 @@ AUTHOR
======
Written by Daniel Bristot de Oliveira <bristot@kernel.org>
-.. include:: common_appendix.rst
+.. include:: common_appendix.txt
diff --git a/Documentation/tools/rtla/rtla-osnoise.rst b/Documentation/tools/rtla/rtla-osnoise.rst
index c129b206ce34..540d2bf6c152 100644
--- a/Documentation/tools/rtla/rtla-osnoise.rst
+++ b/Documentation/tools/rtla/rtla-osnoise.rst
@@ -14,7 +14,7 @@ SYNOPSIS
DESCRIPTION
===========
-.. include:: common_osnoise_description.rst
+.. include:: common_osnoise_description.txt
The *osnoise* tracer outputs information in two ways. It periodically prints
a summary of the noise of the operating system, including the counters of
@@ -56,4 +56,4 @@ AUTHOR
======
Written by Daniel Bristot de Oliveira <bristot@kernel.org>
-.. include:: common_appendix.rst
+.. include:: common_appendix.txt
diff --git a/Documentation/tools/rtla/rtla-timerlat-hist.rst b/Documentation/tools/rtla/rtla-timerlat-hist.rst
index 4923a362129b..f56fe546411b 100644
--- a/Documentation/tools/rtla/rtla-timerlat-hist.rst
+++ b/Documentation/tools/rtla/rtla-timerlat-hist.rst
@@ -16,7 +16,7 @@ SYNOPSIS
DESCRIPTION
===========
-.. include:: common_timerlat_description.rst
+.. include:: common_timerlat_description.txt
The **rtla timerlat hist** displays a histogram of each tracer event
occurrence. This tool uses the periodic information, and the
@@ -25,13 +25,13 @@ occurrence. This tool uses the periodic information, and the
OPTIONS
=======
-.. include:: common_timerlat_options.rst
+.. include:: common_timerlat_options.txt
-.. include:: common_hist_options.rst
+.. include:: common_hist_options.txt
-.. include:: common_options.rst
+.. include:: common_options.txt
-.. include:: common_timerlat_aa.rst
+.. include:: common_timerlat_aa.txt
EXAMPLE
=======
@@ -110,4 +110,4 @@ AUTHOR
======
Written by Daniel Bristot de Oliveira <bristot@kernel.org>
-.. include:: common_appendix.rst
+.. include:: common_appendix.txt
diff --git a/Documentation/tools/rtla/rtla-timerlat-top.rst b/Documentation/tools/rtla/rtla-timerlat-top.rst
index 50968cdd2095..7dbe625d0c42 100644
--- a/Documentation/tools/rtla/rtla-timerlat-top.rst
+++ b/Documentation/tools/rtla/rtla-timerlat-top.rst
@@ -16,7 +16,7 @@ SYNOPSIS
DESCRIPTION
===========
-.. include:: common_timerlat_description.rst
+.. include:: common_timerlat_description.txt
The **rtla timerlat top** displays a summary of the periodic output
from the *timerlat* tracer. It also provides information for each
@@ -26,13 +26,13 @@ seem with the option **-T**.
OPTIONS
=======
-.. include:: common_timerlat_options.rst
+.. include:: common_timerlat_options.txt
-.. include:: common_top_options.rst
+.. include:: common_top_options.txt
-.. include:: common_options.rst
+.. include:: common_options.txt
-.. include:: common_timerlat_aa.rst
+.. include:: common_timerlat_aa.txt
**--aa-only** *us*
@@ -133,4 +133,4 @@ AUTHOR
------
Written by Daniel Bristot de Oliveira <bristot@kernel.org>
-.. include:: common_appendix.rst
+.. include:: common_appendix.txt
diff --git a/Documentation/tools/rtla/rtla-timerlat.rst b/Documentation/tools/rtla/rtla-timerlat.rst
index 20e2d259467f..ce9f57e038c3 100644
--- a/Documentation/tools/rtla/rtla-timerlat.rst
+++ b/Documentation/tools/rtla/rtla-timerlat.rst
@@ -14,7 +14,7 @@ SYNOPSIS
DESCRIPTION
===========
-.. include:: common_timerlat_description.rst
+.. include:: common_timerlat_description.txt
The **rtla timerlat top** mode displays a summary of the periodic output
from the *timerlat* tracer. The **rtla timerlat hist** mode displays
@@ -51,4 +51,4 @@ AUTHOR
======
Written by Daniel Bristot de Oliveira <bristot@kernel.org>
-.. include:: common_appendix.rst
+.. include:: common_appendix.txt
diff --git a/Documentation/tools/rtla/rtla.rst b/Documentation/tools/rtla/rtla.rst
index fc0d233efcd5..2a5fb7004ad4 100644
--- a/Documentation/tools/rtla/rtla.rst
+++ b/Documentation/tools/rtla/rtla.rst
@@ -45,4 +45,4 @@ AUTHOR
======
Daniel Bristot de Oliveira <bristot@kernel.org>
-.. include:: common_appendix.rst
+.. include:: common_appendix.txt
diff --git a/Makefile b/Makefile
index a082a1d7c7d9..23cc6c39819b 100644
--- a/Makefile
+++ b/Makefile
@@ -1,7 +1,7 @@
# SPDX-License-Identifier: GPL-2.0
VERSION = 6
PATCHLEVEL = 18
-SUBLEVEL = 0
+SUBLEVEL = 1
EXTRAVERSION =
NAME = Baby Opossum Posse
diff --git a/arch/x86/include/asm/kvm_host.h b/arch/x86/include/asm/kvm_host.h
index 48598d017d6f..974d64bf0a4d 100644
--- a/arch/x86/include/asm/kvm_host.h
+++ b/arch/x86/include/asm/kvm_host.h
@@ -2143,6 +2143,11 @@ u64 vcpu_tsc_khz(struct kvm_vcpu *vcpu);
* the gfn, i.e. retrying the instruction will hit a
* !PRESENT fault, which results in a new shadow page
* and sends KVM back to square one.
+ *
+ * EMULTYPE_SKIP_SOFT_INT - Set in combination with EMULTYPE_SKIP to only skip
+ * an instruction if it could generate a given software
+ * interrupt, which must be encoded via
+ * EMULTYPE_SET_SOFT_INT_VECTOR().
*/
#define EMULTYPE_NO_DECODE (1 << 0)
#define EMULTYPE_TRAP_UD (1 << 1)
@@ -2153,6 +2158,10 @@ u64 vcpu_tsc_khz(struct kvm_vcpu *vcpu);
#define EMULTYPE_PF (1 << 6)
#define EMULTYPE_COMPLETE_USER_EXIT (1 << 7)
#define EMULTYPE_WRITE_PF_TO_SP (1 << 8)
+#define EMULTYPE_SKIP_SOFT_INT (1 << 9)
+
+#define EMULTYPE_SET_SOFT_INT_VECTOR(v) ((u32)((v) & 0xff) << 16)
+#define EMULTYPE_GET_SOFT_INT_VECTOR(e) (((e) >> 16) & 0xff)
static inline bool kvm_can_emulate_event_vectoring(int emul_type)
{
diff --git a/arch/x86/kvm/svm/svm.c b/arch/x86/kvm/svm/svm.c
index 9d29b2e7e855..f2fa69dd5cc7 100644
--- a/arch/x86/kvm/svm/svm.c
+++ b/arch/x86/kvm/svm/svm.c
@@ -272,6 +272,7 @@ static void svm_set_interrupt_shadow(struct kvm_vcpu *vcpu, int mask)
}
static int __svm_skip_emulated_instruction(struct kvm_vcpu *vcpu,
+ int emul_type,
bool commit_side_effects)
{
struct vcpu_svm *svm = to_svm(vcpu);
@@ -293,7 +294,7 @@ static int __svm_skip_emulated_instruction(struct kvm_vcpu *vcpu,
if (unlikely(!commit_side_effects))
old_rflags = svm->vmcb->save.rflags;
- if (!kvm_emulate_instruction(vcpu, EMULTYPE_SKIP))
+ if (!kvm_emulate_instruction(vcpu, emul_type))
return 0;
if (unlikely(!commit_side_effects))
@@ -311,11 +312,13 @@ static int __svm_skip_emulated_instruction(struct kvm_vcpu *vcpu,
static int svm_skip_emulated_instruction(struct kvm_vcpu *vcpu)
{
- return __svm_skip_emulated_instruction(vcpu, true);
+ return __svm_skip_emulated_instruction(vcpu, EMULTYPE_SKIP, true);
}
-static int svm_update_soft_interrupt_rip(struct kvm_vcpu *vcpu)
+static int svm_update_soft_interrupt_rip(struct kvm_vcpu *vcpu, u8 vector)
{
+ const int emul_type = EMULTYPE_SKIP | EMULTYPE_SKIP_SOFT_INT |
+ EMULTYPE_SET_SOFT_INT_VECTOR(vector);
unsigned long rip, old_rip = kvm_rip_read(vcpu);
struct vcpu_svm *svm = to_svm(vcpu);
@@ -331,7 +334,7 @@ static int svm_update_soft_interrupt_rip(struct kvm_vcpu *vcpu)
* in use, the skip must not commit any side effects such as clearing
* the interrupt shadow or RFLAGS.RF.
*/
- if (!__svm_skip_emulated_instruction(vcpu, !nrips))
+ if (!__svm_skip_emulated_instruction(vcpu, emul_type, !nrips))
return -EIO;
rip = kvm_rip_read(vcpu);
@@ -367,7 +370,7 @@ static void svm_inject_exception(struct kvm_vcpu *vcpu)
kvm_deliver_exception_payload(vcpu, ex);
if (kvm_exception_is_soft(ex->vector) &&
- svm_update_soft_interrupt_rip(vcpu))
+ svm_update_soft_interrupt_rip(vcpu, ex->vector))
return;
svm->vmcb->control.event_inj = ex->vector
@@ -3633,11 +3636,12 @@ static bool svm_set_vnmi_pending(struct kvm_vcpu *vcpu)
static void svm_inject_irq(struct kvm_vcpu *vcpu, bool reinjected)
{
+ struct kvm_queued_interrupt *intr = &vcpu->arch.interrupt;
struct vcpu_svm *svm = to_svm(vcpu);
u32 type;
- if (vcpu->arch.interrupt.soft) {
- if (svm_update_soft_interrupt_rip(vcpu))
+ if (intr->soft) {
+ if (svm_update_soft_interrupt_rip(vcpu, intr->nr))
return;
type = SVM_EVTINJ_TYPE_SOFT;
@@ -3645,12 +3649,10 @@ static void svm_inject_irq(struct kvm_vcpu *vcpu, bool reinjected)
type = SVM_EVTINJ_TYPE_INTR;
}
- trace_kvm_inj_virq(vcpu->arch.interrupt.nr,
- vcpu->arch.interrupt.soft, reinjected);
+ trace_kvm_inj_virq(intr->nr, intr->soft, reinjected);
++vcpu->stat.irq_injections;
- svm->vmcb->control.event_inj = vcpu->arch.interrupt.nr |
- SVM_EVTINJ_VALID | type;
+ svm->vmcb->control.event_inj = intr->nr | SVM_EVTINJ_VALID | type;
}
void svm_complete_interrupt_delivery(struct kvm_vcpu *vcpu, int delivery_mode,
diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index c9c2aa6f4705..e6f2e34ec97d 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -9337,6 +9337,23 @@ static bool is_vmware_backdoor_opcode(struct x86_emulate_ctxt *ctxt)
return false;
}
+static bool is_soft_int_instruction(struct x86_emulate_ctxt *ctxt,
+ int emulation_type)
+{
+ u8 vector = EMULTYPE_GET_SOFT_INT_VECTOR(emulation_type);
+
+ switch (ctxt->b) {
+ case 0xcc:
+ return vector == BP_VECTOR;
+ case 0xcd:
+ return vector == ctxt->src.val;
+ case 0xce:
+ return vector == OF_VECTOR;
+ default:
+ return false;
+ }
+}
+
/*
* Decode an instruction for emulation. The caller is responsible for handling
* code breakpoints. Note, manually detecting code breakpoints is unnecessary
@@ -9447,6 +9464,10 @@ int x86_emulate_instruction(struct kvm_vcpu *vcpu, gpa_t cr2_or_gpa,
* injecting single-step #DBs.
*/
if (emulation_type & EMULTYPE_SKIP) {
+ if (emulation_type & EMULTYPE_SKIP_SOFT_INT &&
+ !is_soft_int_instruction(ctxt, emulation_type))
+ return 0;
+
if (ctxt->mode != X86EMUL_MODE_PROT64)
ctxt->eip = (u32)ctxt->_eip;
else
diff --git a/crypto/zstd.c b/crypto/zstd.c
index ac318d333b68..32a339b74f34 100644
--- a/crypto/zstd.c
+++ b/crypto/zstd.c
@@ -75,11 +75,6 @@ static int zstd_init(struct crypto_acomp *acomp_tfm)
return ret;
}
-static void zstd_exit(struct crypto_acomp *acomp_tfm)
-{
- crypto_acomp_free_streams(&zstd_streams);
-}
-
static int zstd_compress_one(struct acomp_req *req, struct zstd_ctx *ctx,
const void *src, void *dst, unsigned int *dlen)
{
@@ -297,7 +292,6 @@ static struct acomp_alg zstd_acomp = {
.cra_module = THIS_MODULE,
},
.init = zstd_init,
- .exit = zstd_exit,
.compress = zstd_compress,
.decompress = zstd_decompress,
};
@@ -310,6 +304,7 @@ static int __init zstd_mod_init(void)
static void __exit zstd_mod_fini(void)
{
crypto_unregister_acomp(&zstd_acomp);
+ crypto_acomp_free_streams(&zstd_streams);
}
module_init(zstd_mod_init);
diff --git a/drivers/android/binder/node.rs b/drivers/android/binder/node.rs
index 08d362deaf61..c26d113ede96 100644
--- a/drivers/android/binder/node.rs
+++ b/drivers/android/binder/node.rs
@@ -541,10 +541,10 @@ pub(crate) fn release(&self) {
guard = self.owner.inner.lock();
}
- let death_list = core::mem::take(&mut self.inner.access_mut(&mut guard).death_list);
- drop(guard);
- for death in death_list {
+ while let Some(death) = self.inner.access_mut(&mut guard).death_list.pop_front() {
+ drop(guard);
death.into_arc().set_dead();
+ guard = self.owner.inner.lock();
}
}
diff --git a/drivers/comedi/comedi_fops.c b/drivers/comedi/comedi_fops.c
index 7e2f2b1a1c36..b2e62e04afd9 100644
--- a/drivers/comedi/comedi_fops.c
+++ b/drivers/comedi/comedi_fops.c
@@ -3023,7 +3023,12 @@ static int compat_chaninfo(struct file *file, unsigned long arg)
chaninfo.rangelist = compat_ptr(chaninfo32.rangelist);
mutex_lock(&dev->mutex);
- err = do_chaninfo_ioctl(dev, &chaninfo);
+ if (!dev->attached) {
+ dev_dbg(dev->class_dev, "no driver attached\n");
+ err = -ENODEV;
+ } else {
+ err = do_chaninfo_ioctl(dev, &chaninfo);
+ }
mutex_unlock(&dev->mutex);
return err;
}
@@ -3044,7 +3049,12 @@ static int compat_rangeinfo(struct file *file, unsigned long arg)
rangeinfo.range_ptr = compat_ptr(rangeinfo32.range_ptr);
mutex_lock(&dev->mutex);
- err = do_rangeinfo_ioctl(dev, &rangeinfo);
+ if (!dev->attached) {
+ dev_dbg(dev->class_dev, "no driver attached\n");
+ err = -ENODEV;
+ } else {
+ err = do_rangeinfo_ioctl(dev, &rangeinfo);
+ }
mutex_unlock(&dev->mutex);
return err;
}
@@ -3120,7 +3130,12 @@ static int compat_cmd(struct file *file, unsigned long arg)
return rc;
mutex_lock(&dev->mutex);
- rc = do_cmd_ioctl(dev, &cmd, ©, file);
+ if (!dev->attached) {
+ dev_dbg(dev->class_dev, "no driver attached\n");
+ rc = -ENODEV;
+ } else {
+ rc = do_cmd_ioctl(dev, &cmd, ©, file);
+ }
mutex_unlock(&dev->mutex);
if (copy) {
/* Special case: copy cmd back to user. */
@@ -3145,7 +3160,12 @@ static int compat_cmdtest(struct file *file, unsigned long arg)
return rc;
mutex_lock(&dev->mutex);
- rc = do_cmdtest_ioctl(dev, &cmd, ©, file);
+ if (!dev->attached) {
+ dev_dbg(dev->class_dev, "no driver attached\n");
+ rc = -ENODEV;
+ } else {
+ rc = do_cmdtest_ioctl(dev, &cmd, ©, file);
+ }
mutex_unlock(&dev->mutex);
if (copy) {
err = put_compat_cmd(compat_ptr(arg), &cmd);
@@ -3205,7 +3225,12 @@ static int compat_insnlist(struct file *file, unsigned long arg)
}
mutex_lock(&dev->mutex);
- rc = do_insnlist_ioctl(dev, insns, insnlist32.n_insns, file);
+ if (!dev->attached) {
+ dev_dbg(dev->class_dev, "no driver attached\n");
+ rc = -ENODEV;
+ } else {
+ rc = do_insnlist_ioctl(dev, insns, insnlist32.n_insns, file);
+ }
mutex_unlock(&dev->mutex);
kfree(insns);
return rc;
@@ -3224,7 +3249,12 @@ static int compat_insn(struct file *file, unsigned long arg)
return rc;
mutex_lock(&dev->mutex);
- rc = do_insn_ioctl(dev, &insn, file);
+ if (!dev->attached) {
+ dev_dbg(dev->class_dev, "no driver attached\n");
+ rc = -ENODEV;
+ } else {
+ rc = do_insn_ioctl(dev, &insn, file);
+ }
mutex_unlock(&dev->mutex);
return rc;
}
diff --git a/drivers/comedi/drivers/c6xdigio.c b/drivers/comedi/drivers/c6xdigio.c
index 14b90d1c64dc..8a38d97d463b 100644
--- a/drivers/comedi/drivers/c6xdigio.c
+++ b/drivers/comedi/drivers/c6xdigio.c
@@ -249,9 +249,6 @@ static int c6xdigio_attach(struct comedi_device *dev,
if (ret)
return ret;
- /* Make sure that PnP ports get activated */
- pnp_register_driver(&c6xdigio_pnp_driver);
-
s = &dev->subdevices[0];
/* pwm output subdevice */
s->type = COMEDI_SUBD_PWM;
@@ -278,19 +275,46 @@ static int c6xdigio_attach(struct comedi_device *dev,
return 0;
}
-static void c6xdigio_detach(struct comedi_device *dev)
-{
- comedi_legacy_detach(dev);
- pnp_unregister_driver(&c6xdigio_pnp_driver);
-}
-
static struct comedi_driver c6xdigio_driver = {
.driver_name = "c6xdigio",
.module = THIS_MODULE,
.attach = c6xdigio_attach,
- .detach = c6xdigio_detach,
+ .detach = comedi_legacy_detach,
};
-module_comedi_driver(c6xdigio_driver);
+
+static bool c6xdigio_pnp_registered = false;
+
+static int __init c6xdigio_module_init(void)
+{
+ int ret;
+
+ ret = comedi_driver_register(&c6xdigio_driver);
+ if (ret)
+ return ret;
+
+ if (IS_ENABLED(CONFIG_PNP)) {
+ /* Try to activate the PnP ports */
+ ret = pnp_register_driver(&c6xdigio_pnp_driver);
+ if (ret) {
+ pr_warn("failed to register pnp driver - err %d\n",
+ ret);
+ ret = 0; /* ignore the error. */
+ } else {
+ c6xdigio_pnp_registered = true;
+ }
+ }
+
+ return 0;
+}
+module_init(c6xdigio_module_init);
+
+static void __exit c6xdigio_module_exit(void)
+{
+ if (c6xdigio_pnp_registered)
+ pnp_unregister_driver(&c6xdigio_pnp_driver);
+ comedi_driver_unregister(&c6xdigio_driver);
+}
+module_exit(c6xdigio_module_exit);
MODULE_AUTHOR("Comedi https://www.comedi.org");
MODULE_DESCRIPTION("Comedi driver for the C6x_DIGIO DSP daughter card");
diff --git a/drivers/comedi/drivers/multiq3.c b/drivers/comedi/drivers/multiq3.c
index 07ff5383da99..ac369e9a262d 100644
--- a/drivers/comedi/drivers/multiq3.c
+++ b/drivers/comedi/drivers/multiq3.c
@@ -67,6 +67,11 @@
#define MULTIQ3_TRSFRCNTR_OL 0x10 /* xfer CNTR to OL (x and y) */
#define MULTIQ3_EFLAG_RESET 0x06 /* reset E bit of flag reg */
+/*
+ * Limit on the number of optional encoder channels
+ */
+#define MULTIQ3_MAX_ENC_CHANS 8
+
static void multiq3_set_ctrl(struct comedi_device *dev, unsigned int bits)
{
/*
@@ -312,6 +317,10 @@ static int multiq3_attach(struct comedi_device *dev,
s->insn_read = multiq3_encoder_insn_read;
s->insn_config = multiq3_encoder_insn_config;
+ /* sanity check for number of encoder channels */
+ if (s->n_chan > MULTIQ3_MAX_ENC_CHANS)
+ s->n_chan = MULTIQ3_MAX_ENC_CHANS;
+
for (i = 0; i < s->n_chan; i++)
multiq3_encoder_reset(dev, i);
diff --git a/drivers/comedi/drivers/pcl818.c b/drivers/comedi/drivers/pcl818.c
index 4127adcfb229..06fe06396f23 100644
--- a/drivers/comedi/drivers/pcl818.c
+++ b/drivers/comedi/drivers/pcl818.c
@@ -1111,10 +1111,9 @@ static void pcl818_detach(struct comedi_device *dev)
{
struct pcl818_private *devpriv = dev->private;
- if (devpriv) {
- pcl818_ai_cancel(dev, dev->read_subdev);
+ if (devpriv)
pcl818_reset(dev);
- }
+
pcl818_free_dma(dev);
comedi_legacy_detach(dev);
}
diff --git a/drivers/iio/adc/ad4080.c b/drivers/iio/adc/ad4080.c
index 6e61787ed321..e15310fcd21a 100644
--- a/drivers/iio/adc/ad4080.c
+++ b/drivers/iio/adc/ad4080.c
@@ -125,7 +125,7 @@
/* Miscellaneous Definitions */
#define AD4080_SPI_READ BIT(7)
-#define AD4080_CHIP_ID GENMASK(2, 0)
+#define AD4080_CHIP_ID 0x0050
#define AD4080_LVDS_CNV_CLK_CNT_MAX 7
@@ -445,7 +445,8 @@ static int ad4080_setup(struct iio_dev *indio_dev)
{
struct ad4080_state *st = iio_priv(indio_dev);
struct device *dev = regmap_get_device(st->regmap);
- unsigned int id;
+ __le16 id_le;
+ u16 id;
int ret;
ret = regmap_write(st->regmap, AD4080_REG_INTERFACE_CONFIG_A,
@@ -458,10 +459,12 @@ static int ad4080_setup(struct iio_dev *indio_dev)
if (ret)
return ret;
- ret = regmap_read(st->regmap, AD4080_REG_CHIP_TYPE, &id);
+ ret = regmap_bulk_read(st->regmap, AD4080_REG_PRODUCT_ID_L, &id_le,
+ sizeof(id_le));
if (ret)
return ret;
+ id = le16_to_cpu(id_le);
if (id != AD4080_CHIP_ID)
dev_info(dev, "Unrecognized CHIP_ID 0x%X\n", id);
diff --git a/drivers/net/wireless/realtek/rtl8xxxu/core.c b/drivers/net/wireless/realtek/rtl8xxxu/core.c
index 3ded5952729f..be39463bd6c4 100644
--- a/drivers/net/wireless/realtek/rtl8xxxu/core.c
+++ b/drivers/net/wireless/realtek/rtl8xxxu/core.c
@@ -8136,6 +8136,9 @@ static const struct usb_device_id dev_table[] = {
/* TP-Link TL-WN823N V2 */
{USB_DEVICE_AND_INTERFACE_INFO(0x2357, 0x0135, 0xff, 0xff, 0xff),
.driver_info = (unsigned long)&rtl8192fu_fops},
+/* D-Link AN3U rev. A1 */
+{USB_DEVICE_AND_INTERFACE_INFO(0x2001, 0x3328, 0xff, 0xff, 0xff),
+ .driver_info = (unsigned long)&rtl8192fu_fops},
#ifdef CONFIG_RTL8XXXU_UNTESTED
/* Still supported by rtlwifi */
{USB_DEVICE_AND_INTERFACE_INFO(USB_VENDOR_ID_REALTEK, 0x8176, 0xff, 0xff, 0xff),
diff --git a/drivers/net/wireless/realtek/rtw88/rtw8822cu.c b/drivers/net/wireless/realtek/rtw88/rtw8822cu.c
index 324fd5c8bfd4..755f76840b12 100644
--- a/drivers/net/wireless/realtek/rtw88/rtw8822cu.c
+++ b/drivers/net/wireless/realtek/rtw88/rtw8822cu.c
@@ -21,6 +21,8 @@ static const struct usb_device_id rtw_8822cu_id_table[] = {
.driver_info = (kernel_ulong_t)&(rtw8822c_hw_spec) },
{ USB_DEVICE_AND_INTERFACE_INFO(0x13b1, 0x0043, 0xff, 0xff, 0xff),
.driver_info = (kernel_ulong_t)&(rtw8822c_hw_spec) }, /* Alpha - Alpha */
+ { USB_DEVICE_AND_INTERFACE_INFO(0x2001, 0x3329, 0xff, 0xff, 0xff),
+ .driver_info = (kernel_ulong_t)&(rtw8822c_hw_spec) }, /* D-Link AC13U rev. A1 */
{},
};
MODULE_DEVICE_TABLE(usb, rtw_8822cu_id_table);
diff --git a/drivers/staging/rtl8723bs/core/rtw_ieee80211.c b/drivers/staging/rtl8723bs/core/rtw_ieee80211.c
index 53d4c113b19c..df35c616e71f 100644
--- a/drivers/staging/rtl8723bs/core/rtw_ieee80211.c
+++ b/drivers/staging/rtl8723bs/core/rtw_ieee80211.c
@@ -140,22 +140,24 @@ u8 *rtw_get_ie(u8 *pbuf, signed int index, signed int *len, signed int limit)
signed int tmp, i;
u8 *p;
- if (limit < 1)
+ if (limit < 2)
return NULL;
p = pbuf;
i = 0;
*len = 0;
- while (1) {
+ while (i + 2 <= limit) {
+ tmp = *(p + 1);
+ if (i + 2 + tmp > limit)
+ break;
+
if (*p == index) {
- *len = *(p + 1);
+ *len = tmp;
return p;
}
- tmp = *(p + 1);
+
p += (tmp + 2);
i += (tmp + 2);
- if (i >= limit)
- break;
}
return NULL;
}
diff --git a/drivers/staging/rtl8723bs/core/rtw_mlme_ext.c b/drivers/staging/rtl8723bs/core/rtw_mlme_ext.c
index a897c433d2b0..72eb48d554a3 100644
--- a/drivers/staging/rtl8723bs/core/rtw_mlme_ext.c
+++ b/drivers/staging/rtl8723bs/core/rtw_mlme_ext.c
@@ -588,9 +588,11 @@ unsigned int OnBeacon(struct adapter *padapter, union recv_frame *precv_frame)
p = rtw_get_ie(pframe + sizeof(struct ieee80211_hdr_3addr) + _BEACON_IE_OFFSET_, WLAN_EID_EXT_SUPP_RATES, &ielen, precv_frame->u.hdr.len - sizeof(struct ieee80211_hdr_3addr) - _BEACON_IE_OFFSET_);
if (p && ielen > 0) {
- if ((*(p + 1 + ielen) == 0x2D) && (*(p + 2 + ielen) != 0x2D))
- /* Invalid value 0x2D is detected in Extended Supported Rates (ESR) IE. Try to fix the IE length to avoid failed Beacon parsing. */
- *(p + 1) = ielen - 1;
+ if (p + 2 + ielen < pframe + len) {
+ if ((*(p + 1 + ielen) == 0x2D) && (*(p + 2 + ielen) != 0x2D))
+ /* Invalid value 0x2D is detected in Extended Supported Rates (ESR) IE. Try to fix the IE length to avoid failed Beacon parsing. */
+ *(p + 1) = ielen - 1;
+ }
}
if (pmlmeext->sitesurvey_res.state == SCAN_PROCESS) {
@@ -1042,6 +1044,9 @@ unsigned int OnAssocReq(struct adapter *padapter, union recv_frame *precv_frame)
status = WLAN_STATUS_CHALLENGE_FAIL;
goto OnAssocReqFail;
} else {
+ if (ie_len > sizeof(supportRate))
+ ie_len = sizeof(supportRate);
+
memcpy(supportRate, p+2, ie_len);
supportRateNum = ie_len;
@@ -1049,7 +1054,7 @@ unsigned int OnAssocReq(struct adapter *padapter, union recv_frame *precv_frame)
pkt_len - WLAN_HDR_A3_LEN - ie_offset);
if (p) {
- if (supportRateNum <= sizeof(supportRate)) {
+ if (supportRateNum + ie_len <= sizeof(supportRate)) {
memcpy(supportRate+supportRateNum, p+2, ie_len);
supportRateNum += ie_len;
}
diff --git a/drivers/tty/serial/8250/8250_pci.c b/drivers/tty/serial/8250/8250_pci.c
index 152f914c599d..12e8ceffab65 100644
--- a/drivers/tty/serial/8250/8250_pci.c
+++ b/drivers/tty/serial/8250/8250_pci.c
@@ -95,6 +95,11 @@
#define PCI_DEVICE_ID_MOXA_CP138E_A 0x1381
#define PCI_DEVICE_ID_MOXA_CP168EL_A 0x1683
+#define PCI_DEVICE_ID_ADDIDATA_CPCI7500 0x7003
+#define PCI_DEVICE_ID_ADDIDATA_CPCI7500_NG 0x7024
+#define PCI_DEVICE_ID_ADDIDATA_CPCI7420_NG 0x7025
+#define PCI_DEVICE_ID_ADDIDATA_CPCI7300_NG 0x7026
+
/* Unknown vendors/cards - this should not be in linux/pci_ids.h */
#define PCI_SUBDEVICE_ID_UNKNOWN_0x1584 0x1584
#define PCI_SUBDEVICE_ID_UNKNOWN_0x1588 0x1588
@@ -5996,6 +6001,38 @@ static const struct pci_device_id serial_pci_tbl[] = {
0,
pbn_ADDIDATA_PCIe_8_3906250 },
+ { PCI_VENDOR_ID_ADDIDATA,
+ PCI_DEVICE_ID_ADDIDATA_CPCI7500,
+ PCI_ANY_ID,
+ PCI_ANY_ID,
+ 0,
+ 0,
+ pbn_b0_4_115200 },
+
+ { PCI_VENDOR_ID_ADDIDATA,
+ PCI_DEVICE_ID_ADDIDATA_CPCI7500_NG,
+ PCI_ANY_ID,
+ PCI_ANY_ID,
+ 0,
+ 0,
+ pbn_b0_4_115200 },
+
+ { PCI_VENDOR_ID_ADDIDATA,
+ PCI_DEVICE_ID_ADDIDATA_CPCI7420_NG,
+ PCI_ANY_ID,
+ PCI_ANY_ID,
+ 0,
+ 0,
+ pbn_b0_2_115200 },
+
+ { PCI_VENDOR_ID_ADDIDATA,
+ PCI_DEVICE_ID_ADDIDATA_CPCI7300_NG,
+ PCI_ANY_ID,
+ PCI_ANY_ID,
+ 0,
+ 0,
+ pbn_b0_1_115200 },
+
{ PCI_VENDOR_ID_NETMOS, PCI_DEVICE_ID_NETMOS_9835,
PCI_VENDOR_ID_IBM, 0x0299,
0, 0, pbn_b0_bt_2_115200 },
diff --git a/drivers/tty/serial/sh-sci.c b/drivers/tty/serial/sh-sci.c
index 62bb62b82cbe..1db4af6fe590 100644
--- a/drivers/tty/serial/sh-sci.c
+++ b/drivers/tty/serial/sh-sci.c
@@ -1024,8 +1024,16 @@ static int sci_handle_fifo_overrun(struct uart_port *port)
status = s->ops->read_reg(port, s->params->overrun_reg);
if (status & s->params->overrun_mask) {
- status &= ~s->params->overrun_mask;
- s->ops->write_reg(port, s->params->overrun_reg, status);
+ if (s->type == SCI_PORT_RSCI) {
+ /*
+ * All of the CFCLR_*C clearing bits match the corresponding
+ * CSR_*status bits. So, reuse the overrun mask for clearing.
+ */
+ s->ops->clear_SCxSR(port, s->params->overrun_mask);
+ } else {
+ status &= ~s->params->overrun_mask;
+ s->ops->write_reg(port, s->params->overrun_reg, status);
+ }
port->icount.overrun++;
diff --git a/drivers/usb/serial/belkin_sa.c b/drivers/usb/serial/belkin_sa.c
index 44f5b58beec9..aa6b4c4ad5ec 100644
--- a/drivers/usb/serial/belkin_sa.c
+++ b/drivers/usb/serial/belkin_sa.c
@@ -435,7 +435,7 @@ static int belkin_sa_tiocmset(struct tty_struct *tty,
struct belkin_sa_private *priv = usb_get_serial_port_data(port);
unsigned long control_state;
unsigned long flags;
- int retval;
+ int retval = 0;
int rts = 0;
int dtr = 0;
@@ -452,26 +452,32 @@ static int belkin_sa_tiocmset(struct tty_struct *tty,
}
if (clear & TIOCM_RTS) {
control_state &= ~TIOCM_RTS;
- rts = 0;
+ rts = 1;
}
if (clear & TIOCM_DTR) {
control_state &= ~TIOCM_DTR;
- dtr = 0;
+ dtr = 1;
}
priv->control_state = control_state;
spin_unlock_irqrestore(&priv->lock, flags);
- retval = BSA_USB_CMD(BELKIN_SA_SET_RTS_REQUEST, rts);
- if (retval < 0) {
- dev_err(&port->dev, "Set RTS error %d\n", retval);
- goto exit;
+ if (rts) {
+ retval = BSA_USB_CMD(BELKIN_SA_SET_RTS_REQUEST,
+ !!(control_state & TIOCM_RTS));
+ if (retval < 0) {
+ dev_err(&port->dev, "Set RTS error %d\n", retval);
+ goto exit;
+ }
}
- retval = BSA_USB_CMD(BELKIN_SA_SET_DTR_REQUEST, dtr);
- if (retval < 0) {
- dev_err(&port->dev, "Set DTR error %d\n", retval);
- goto exit;
+ if (dtr) {
+ retval = BSA_USB_CMD(BELKIN_SA_SET_DTR_REQUEST,
+ !!(control_state & TIOCM_DTR));
+ if (retval < 0) {
+ dev_err(&port->dev, "Set DTR error %d\n", retval);
+ goto exit;
+ }
}
exit:
return retval;
diff --git a/drivers/usb/serial/ftdi_sio.c b/drivers/usb/serial/ftdi_sio.c
index b37fa31f5694..9993a5123344 100644
--- a/drivers/usb/serial/ftdi_sio.c
+++ b/drivers/usb/serial/ftdi_sio.c
@@ -628,10 +628,8 @@ static const struct usb_device_id id_table_combined[] = {
{ USB_DEVICE(FTDI_VID, FTDI_IBS_PEDO_PID) },
{ USB_DEVICE(FTDI_VID, FTDI_IBS_PROD_PID) },
{ USB_DEVICE(FTDI_VID, FTDI_TAVIR_STK500_PID) },
- { USB_DEVICE(FTDI_VID, FTDI_TIAO_UMPA_PID),
- .driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
- { USB_DEVICE(FTDI_VID, FTDI_NT_ORIONLXM_PID),
- .driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
+ { USB_DEVICE_INTERFACE_NUMBER(FTDI_VID, FTDI_TIAO_UMPA_PID, 1) },
+ { USB_DEVICE_INTERFACE_NUMBER(FTDI_VID, FTDI_NT_ORIONLXM_PID, 1) },
{ USB_DEVICE(FTDI_VID, FTDI_NT_ORIONLX_PLUS_PID) },
{ USB_DEVICE(FTDI_VID, FTDI_NT_ORION_IO_PID) },
{ USB_DEVICE(FTDI_VID, FTDI_NT_ORIONMX_PID) },
@@ -842,24 +840,17 @@ static const struct usb_device_id id_table_combined[] = {
{ USB_DEVICE(FTDI_VID, FTDI_ELSTER_UNICOM_PID) },
{ USB_DEVICE(FTDI_VID, FTDI_PROPOX_JTAGCABLEII_PID) },
{ USB_DEVICE(FTDI_VID, FTDI_PROPOX_ISPCABLEIII_PID) },
- { USB_DEVICE(FTDI_VID, CYBER_CORTEX_AV_PID),
- .driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
+ { USB_DEVICE_INTERFACE_NUMBER(FTDI_VID, CYBER_CORTEX_AV_PID, 1) },
{ USB_DEVICE_INTERFACE_NUMBER(OLIMEX_VID, OLIMEX_ARM_USB_OCD_PID, 1) },
{ USB_DEVICE_INTERFACE_NUMBER(OLIMEX_VID, OLIMEX_ARM_USB_OCD_H_PID, 1) },
{ USB_DEVICE_INTERFACE_NUMBER(OLIMEX_VID, OLIMEX_ARM_USB_TINY_PID, 1) },
{ USB_DEVICE_INTERFACE_NUMBER(OLIMEX_VID, OLIMEX_ARM_USB_TINY_H_PID, 1) },
- { USB_DEVICE(FIC_VID, FIC_NEO1973_DEBUG_PID),
- .driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
- { USB_DEVICE(FTDI_VID, FTDI_OOCDLINK_PID),
- .driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
- { USB_DEVICE(FTDI_VID, LMI_LM3S_DEVEL_BOARD_PID),
- .driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
- { USB_DEVICE(FTDI_VID, LMI_LM3S_EVAL_BOARD_PID),
- .driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
- { USB_DEVICE(FTDI_VID, LMI_LM3S_ICDI_BOARD_PID),
- .driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
- { USB_DEVICE(FTDI_VID, FTDI_TURTELIZER_PID),
- .driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
+ { USB_DEVICE_INTERFACE_NUMBER(FIC_VID, FIC_NEO1973_DEBUG_PID, 1) },
+ { USB_DEVICE_INTERFACE_NUMBER(FTDI_VID, FTDI_OOCDLINK_PID, 1) },
+ { USB_DEVICE_INTERFACE_NUMBER(FTDI_VID, LMI_LM3S_DEVEL_BOARD_PID, 1) },
+ { USB_DEVICE_INTERFACE_NUMBER(FTDI_VID, LMI_LM3S_EVAL_BOARD_PID, 1) },
+ { USB_DEVICE_INTERFACE_NUMBER(FTDI_VID, LMI_LM3S_ICDI_BOARD_PID, 1) },
+ { USB_DEVICE_INTERFACE_NUMBER(FTDI_VID, FTDI_TURTELIZER_PID, 1) },
{ USB_DEVICE(RATOC_VENDOR_ID, RATOC_PRODUCT_ID_USB60F) },
{ USB_DEVICE(RATOC_VENDOR_ID, RATOC_PRODUCT_ID_SCU18) },
{ USB_DEVICE(FTDI_VID, FTDI_REU_TINY_PID) },
@@ -901,17 +892,14 @@ static const struct usb_device_id id_table_combined[] = {
{ USB_DEVICE(ATMEL_VID, STK541_PID) },
{ USB_DEVICE(DE_VID, STB_PID) },
{ USB_DEVICE(DE_VID, WHT_PID) },
- { USB_DEVICE(ADI_VID, ADI_GNICE_PID),
- .driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
- { USB_DEVICE(ADI_VID, ADI_GNICEPLUS_PID),
- .driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
+ { USB_DEVICE_INTERFACE_NUMBER(ADI_VID, ADI_GNICE_PID, 1) },
+ { USB_DEVICE_INTERFACE_NUMBER(ADI_VID, ADI_GNICEPLUS_PID, 1) },
{ USB_DEVICE_AND_INTERFACE_INFO(MICROCHIP_VID, MICROCHIP_USB_BOARD_PID,
USB_CLASS_VENDOR_SPEC,
USB_SUBCLASS_VENDOR_SPEC, 0x00) },
{ USB_DEVICE_INTERFACE_NUMBER(ACTEL_VID, MICROSEMI_ARROW_SF2PLUS_BOARD_PID, 2) },
{ USB_DEVICE(JETI_VID, JETI_SPC1201_PID) },
- { USB_DEVICE(MARVELL_VID, MARVELL_SHEEVAPLUG_PID),
- .driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
+ { USB_DEVICE_INTERFACE_NUMBER(MARVELL_VID, MARVELL_SHEEVAPLUG_PID, 1) },
{ USB_DEVICE(LARSENBRUSGAARD_VID, LB_ALTITRACK_PID) },
{ USB_DEVICE(GN_OTOMETRICS_VID, AURICAL_USB_PID) },
{ USB_DEVICE(FTDI_VID, PI_C865_PID) },
@@ -934,10 +922,8 @@ static const struct usb_device_id id_table_combined[] = {
{ USB_DEVICE(PI_VID, PI_1016_PID) },
{ USB_DEVICE(KONDO_VID, KONDO_USB_SERIAL_PID) },
{ USB_DEVICE(BAYER_VID, BAYER_CONTOUR_CABLE_PID) },
- { USB_DEVICE(FTDI_VID, MARVELL_OPENRD_PID),
- .driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
- { USB_DEVICE(FTDI_VID, TI_XDS100V2_PID),
- .driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
+ { USB_DEVICE_INTERFACE_NUMBER(FTDI_VID, MARVELL_OPENRD_PID, 1) },
+ { USB_DEVICE_INTERFACE_NUMBER(FTDI_VID, TI_XDS100V2_PID, 1) },
{ USB_DEVICE(FTDI_VID, HAMEG_HO820_PID) },
{ USB_DEVICE(FTDI_VID, HAMEG_HO720_PID) },
{ USB_DEVICE(FTDI_VID, HAMEG_HO730_PID) },
@@ -946,18 +932,14 @@ static const struct usb_device_id id_table_combined[] = {
{ USB_DEVICE(FTDI_VID, MJSG_SR_RADIO_PID) },
{ USB_DEVICE(FTDI_VID, MJSG_HD_RADIO_PID) },
{ USB_DEVICE(FTDI_VID, MJSG_XM_RADIO_PID) },
- { USB_DEVICE(FTDI_VID, XVERVE_SIGNALYZER_ST_PID),
- .driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
- { USB_DEVICE(FTDI_VID, XVERVE_SIGNALYZER_SLITE_PID),
- .driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
- { USB_DEVICE(FTDI_VID, XVERVE_SIGNALYZER_SH2_PID),
- .driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
+ { USB_DEVICE_INTERFACE_NUMBER(FTDI_VID, XVERVE_SIGNALYZER_ST_PID, 1) },
+ { USB_DEVICE_INTERFACE_NUMBER(FTDI_VID, XVERVE_SIGNALYZER_SLITE_PID, 1) },
+ { USB_DEVICE_INTERFACE_NUMBER(FTDI_VID, XVERVE_SIGNALYZER_SH2_PID, 1) },
{ USB_DEVICE(FTDI_VID, XVERVE_SIGNALYZER_SH4_PID),
.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
{ USB_DEVICE(FTDI_VID, SEGWAY_RMP200_PID) },
{ USB_DEVICE(FTDI_VID, ACCESIO_COM4SM_PID) },
- { USB_DEVICE(IONICS_VID, IONICS_PLUGCOMPUTER_PID),
- .driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
+ { USB_DEVICE_INTERFACE_NUMBER(IONICS_VID, IONICS_PLUGCOMPUTER_PID, 1) },
{ USB_DEVICE(FTDI_VID, FTDI_CHAMSYS_24_MASTER_WING_PID) },
{ USB_DEVICE(FTDI_VID, FTDI_CHAMSYS_PC_WING_PID) },
{ USB_DEVICE(FTDI_VID, FTDI_CHAMSYS_USB_DMX_PID) },
@@ -972,15 +954,12 @@ static const struct usb_device_id id_table_combined[] = {
{ USB_DEVICE(FTDI_VID, FTDI_CINTERION_MC55I_PID) },
{ USB_DEVICE(FTDI_VID, FTDI_FHE_PID) },
{ USB_DEVICE(FTDI_VID, FTDI_DOTEC_PID) },
- { USB_DEVICE(QIHARDWARE_VID, MILKYMISTONE_JTAGSERIAL_PID),
- .driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
- { USB_DEVICE(ST_VID, ST_STMCLT_2232_PID),
- .driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
+ { USB_DEVICE_INTERFACE_NUMBER(QIHARDWARE_VID, MILKYMISTONE_JTAGSERIAL_PID, 1) },
+ { USB_DEVICE_INTERFACE_NUMBER(ST_VID, ST_STMCLT_2232_PID, 1) },
{ USB_DEVICE(ST_VID, ST_STMCLT_4232_PID),
.driver_info = (kernel_ulong_t)&ftdi_stmclite_quirk },
{ USB_DEVICE(FTDI_VID, FTDI_RF_R106) },
- { USB_DEVICE(FTDI_VID, FTDI_DISTORTEC_JTAG_LOCK_PICK_PID),
- .driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
+ { USB_DEVICE_INTERFACE_NUMBER(FTDI_VID, FTDI_DISTORTEC_JTAG_LOCK_PICK_PID, 1) },
{ USB_DEVICE(FTDI_VID, FTDI_LUMEL_PD12_PID) },
/* Crucible Devices */
{ USB_DEVICE(FTDI_VID, FTDI_CT_COMET_PID) },
@@ -1055,8 +1034,7 @@ static const struct usb_device_id id_table_combined[] = {
{ USB_DEVICE(ICPDAS_VID, ICPDAS_I7561U_PID) },
{ USB_DEVICE(ICPDAS_VID, ICPDAS_I7563U_PID) },
{ USB_DEVICE(WICED_VID, WICED_USB20706V2_PID) },
- { USB_DEVICE(TI_VID, TI_CC3200_LAUNCHPAD_PID),
- .driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
+ { USB_DEVICE_INTERFACE_NUMBER(TI_VID, TI_CC3200_LAUNCHPAD_PID, 1) },
{ USB_DEVICE(CYPRESS_VID, CYPRESS_WICED_BT_USB_PID) },
{ USB_DEVICE(CYPRESS_VID, CYPRESS_WICED_WL_USB_PID) },
{ USB_DEVICE(AIRBUS_DS_VID, AIRBUS_DS_P8GR) },
@@ -1076,10 +1054,8 @@ static const struct usb_device_id id_table_combined[] = {
{ USB_DEVICE(UBLOX_VID, UBLOX_C099F9P_ODIN_PID) },
{ USB_DEVICE_INTERFACE_NUMBER(UBLOX_VID, UBLOX_EVK_M101_PID, 2) },
/* FreeCalypso USB adapters */
- { USB_DEVICE(FTDI_VID, FTDI_FALCONIA_JTAG_BUF_PID),
- .driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
- { USB_DEVICE(FTDI_VID, FTDI_FALCONIA_JTAG_UNBUF_PID),
- .driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
+ { USB_DEVICE_INTERFACE_NUMBER(FTDI_VID, FTDI_FALCONIA_JTAG_BUF_PID, 1) },
+ { USB_DEVICE_INTERFACE_NUMBER(FTDI_VID, FTDI_FALCONIA_JTAG_UNBUF_PID, 1) },
/* GMC devices */
{ USB_DEVICE(GMC_VID, GMC_Z216C_PID) },
/* Altera USB Blaster 3 */
diff --git a/drivers/usb/serial/kobil_sct.c b/drivers/usb/serial/kobil_sct.c
index 464433be2034..96ea571c436a 100644
--- a/drivers/usb/serial/kobil_sct.c
+++ b/drivers/usb/serial/kobil_sct.c
@@ -418,7 +418,7 @@ static int kobil_tiocmset(struct tty_struct *tty,
struct usb_serial_port *port = tty->driver_data;
struct device *dev = &port->dev;
struct kobil_private *priv;
- int result;
+ int result = 0;
int dtr = 0;
int rts = 0;
@@ -435,12 +435,12 @@ static int kobil_tiocmset(struct tty_struct *tty,
if (set & TIOCM_DTR)
dtr = 1;
if (clear & TIOCM_RTS)
- rts = 0;
+ rts = 1;
if (clear & TIOCM_DTR)
- dtr = 0;
+ dtr = 1;
- if (priv->device_type == KOBIL_ADAPTER_B_PRODUCT_ID) {
- if (dtr != 0)
+ if (dtr && priv->device_type == KOBIL_ADAPTER_B_PRODUCT_ID) {
+ if (set & TIOCM_DTR)
dev_dbg(dev, "%s - Setting DTR\n", __func__);
else
dev_dbg(dev, "%s - Clearing DTR\n", __func__);
@@ -448,13 +448,13 @@ static int kobil_tiocmset(struct tty_struct *tty,
usb_sndctrlpipe(port->serial->dev, 0),
SUSBCRequest_SetStatusLinesOrQueues,
USB_TYPE_VENDOR | USB_RECIP_ENDPOINT | USB_DIR_OUT,
- ((dtr != 0) ? SUSBCR_SSL_SETDTR : SUSBCR_SSL_CLRDTR),
+ ((set & TIOCM_DTR) ? SUSBCR_SSL_SETDTR : SUSBCR_SSL_CLRDTR),
0,
NULL,
0,
KOBIL_TIMEOUT);
- } else {
- if (rts != 0)
+ } else if (rts) {
+ if (set & TIOCM_RTS)
dev_dbg(dev, "%s - Setting RTS\n", __func__);
else
dev_dbg(dev, "%s - Clearing RTS\n", __func__);
@@ -462,7 +462,7 @@ static int kobil_tiocmset(struct tty_struct *tty,
usb_sndctrlpipe(port->serial->dev, 0),
SUSBCRequest_SetStatusLinesOrQueues,
USB_TYPE_VENDOR | USB_RECIP_ENDPOINT | USB_DIR_OUT,
- ((rts != 0) ? SUSBCR_SSL_SETRTS : SUSBCR_SSL_CLRRTS),
+ ((set & TIOCM_RTS) ? SUSBCR_SSL_SETRTS : SUSBCR_SSL_CLRRTS),
0,
NULL,
0,
diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c
index e9400727ad36..4c0e5a3ab557 100644
--- a/drivers/usb/serial/option.c
+++ b/drivers/usb/serial/option.c
@@ -1433,17 +1433,31 @@ static const struct usb_device_id option_ids[] = {
{ USB_DEVICE_AND_INTERFACE_INFO(TELIT_VENDOR_ID, 0x10b3, 0xff, 0xff, 0x60) },
{ USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, 0x10c0, 0xff), /* Telit FE910C04 (rmnet) */
.driver_info = RSVD(0) | NCTRL(3) },
+ { USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, 0x10c1, 0xff), /* Telit FE910C04 (RNDIS) */
+ .driver_info = NCTRL(4) },
+ { USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, 0x10c2, 0xff), /* Telit FE910C04 (MBIM) */
+ .driver_info = NCTRL(4) },
+ { USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, 0x10c3, 0xff), /* Telit FE910C04 (ECM) */
+ .driver_info = NCTRL(4) },
{ USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, 0x10c4, 0xff), /* Telit FE910C04 (rmnet) */
.driver_info = RSVD(0) | NCTRL(3) },
+ { USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, 0x10c5, 0xff), /* Telit FE910C04 (RNDIS) */
+ .driver_info = NCTRL(4) },
+ { USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, 0x10c6, 0xff), /* Telit FE910C04 (MBIM) */
+ .driver_info = NCTRL(4) },
+ { USB_DEVICE_AND_INTERFACE_INFO(TELIT_VENDOR_ID, 0x10c7, 0xff, 0xff, 0x30), /* Telit FE910C04 (ECM) */
+ .driver_info = NCTRL(4) },
+ { USB_DEVICE_AND_INTERFACE_INFO(TELIT_VENDOR_ID, 0x10c7, 0xff, 0xff, 0x40) },
{ USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, 0x10c8, 0xff), /* Telit FE910C04 (rmnet) */
.driver_info = RSVD(0) | NCTRL(2) | RSVD(3) | RSVD(4) },
+ { USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, 0x10c9, 0xff), /* Telit FE910C04 (MBIM) */
+ .driver_info = NCTRL(3) | RSVD(4) | RSVD(5) },
+ { USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, 0x10cb, 0xff), /* Telit FE910C04 (RNDIS) */
+ .driver_info = NCTRL(3) | RSVD(4) | RSVD(5) },
{ USB_DEVICE_AND_INTERFACE_INFO(TELIT_VENDOR_ID, 0x10d0, 0xff, 0xff, 0x30), /* Telit FN990B (rmnet) */
.driver_info = NCTRL(5) },
{ USB_DEVICE_AND_INTERFACE_INFO(TELIT_VENDOR_ID, 0x10d0, 0xff, 0xff, 0x40) },
{ USB_DEVICE_AND_INTERFACE_INFO(TELIT_VENDOR_ID, 0x10d0, 0xff, 0xff, 0x60) },
- { USB_DEVICE_AND_INTERFACE_INFO(TELIT_VENDOR_ID, 0x10c7, 0xff, 0xff, 0x30), /* Telit FE910C04 (ECM) */
- .driver_info = NCTRL(4) },
- { USB_DEVICE_AND_INTERFACE_INFO(TELIT_VENDOR_ID, 0x10c7, 0xff, 0xff, 0x40) },
{ USB_DEVICE_AND_INTERFACE_INFO(TELIT_VENDOR_ID, 0x10d1, 0xff, 0xff, 0x30), /* Telit FN990B (MBIM) */
.driver_info = NCTRL(6) },
{ USB_DEVICE_AND_INTERFACE_INFO(TELIT_VENDOR_ID, 0x10d1, 0xff, 0xff, 0x40) },
@@ -2376,6 +2390,8 @@ static const struct usb_device_id option_ids[] = {
.driver_info = RSVD(3) },
{ USB_DEVICE_INTERFACE_CLASS(0x0489, 0xe0f0, 0xff), /* Foxconn T99W373 MBIM */
.driver_info = RSVD(3) },
+ { USB_DEVICE_INTERFACE_CLASS(0x0489, 0xe123, 0xff), /* Foxconn T99W760 MBIM */
+ .driver_info = RSVD(3) },
{ USB_DEVICE_INTERFACE_CLASS(0x0489, 0xe145, 0xff), /* Foxconn T99W651 RNDIS */
.driver_info = RSVD(5) | RSVD(6) },
{ USB_DEVICE_INTERFACE_CLASS(0x0489, 0xe15f, 0xff), /* Foxconn T99W709 */
diff --git a/fs/ext4/inline.c b/fs/ext4/inline.c
index 1b094a4f3866..1f6bc05593df 100644
--- a/fs/ext4/inline.c
+++ b/fs/ext4/inline.c
@@ -418,7 +418,12 @@ static int ext4_prepare_inline_data(handle_t *handle, struct inode *inode,
return -ENOSPC;
ext4_write_lock_xattr(inode, &no_expand);
-
+ /*
+ * ei->i_inline_size may have changed since the initial check
+ * if other xattrs were added. Recalculate to ensure
+ * ext4_update_inline_data() validates against current capacity.
+ */
+ (void) ext4_find_inline_data_nolock(inode);
if (ei->i_inline_off)
ret = ext4_update_inline_data(handle, inode, len);
else
@@ -446,9 +451,13 @@ static int ext4_destroy_inline_data_nolock(handle_t *handle,
if (!ei->i_inline_off)
return 0;
+ down_write(&ei->i_data_sem);
+
error = ext4_get_inode_loc(inode, &is.iloc);
- if (error)
+ if (error) {
+ up_write(&ei->i_data_sem);
return error;
+ }
error = ext4_xattr_ibody_find(inode, &i, &is);
if (error)
@@ -487,6 +496,7 @@ static int ext4_destroy_inline_data_nolock(handle_t *handle,
brelse(is.iloc.bh);
if (error == -ENODATA)
error = 0;
+ up_write(&ei->i_data_sem);
return error;
}
diff --git a/fs/jbd2/transaction.c b/fs/jbd2/transaction.c
index 3e510564de6e..9ce626ac947e 100644
--- a/fs/jbd2/transaction.c
+++ b/fs/jbd2/transaction.c
@@ -1284,14 +1284,23 @@ int jbd2_journal_get_create_access(handle_t *handle, struct buffer_head *bh)
* committing transaction's lists, but it HAS to be in Forget state in
* that case: the transaction must have deleted the buffer for it to be
* reused here.
+ * In the case of file system data inconsistency, for example, if the
+ * block bitmap of a referenced block is not set, it can lead to the
+ * situation where a block being committed is allocated and used again.
+ * As a result, the following condition will not be satisfied, so here
+ * we directly trigger a JBD abort instead of immediately invoking
+ * bugon.
*/
spin_lock(&jh->b_state_lock);
- J_ASSERT_JH(jh, (jh->b_transaction == transaction ||
- jh->b_transaction == NULL ||
- (jh->b_transaction == journal->j_committing_transaction &&
- jh->b_jlist == BJ_Forget)));
+ if (!(jh->b_transaction == transaction || jh->b_transaction == NULL ||
+ (jh->b_transaction == journal->j_committing_transaction &&
+ jh->b_jlist == BJ_Forget)) || jh->b_next_transaction != NULL) {
+ err = -EROFS;
+ spin_unlock(&jh->b_state_lock);
+ jbd2_journal_abort(journal, err);
+ goto out;
+ }
- J_ASSERT_JH(jh, jh->b_next_transaction == NULL);
J_ASSERT_JH(jh, buffer_locked(jh2bh(jh)));
if (jh->b_transaction == NULL) {
diff --git a/fs/smb/server/transport_ipc.c b/fs/smb/server/transport_ipc.c
index 2c08cccfa680..2dbabe2d8005 100644
--- a/fs/smb/server/transport_ipc.c
+++ b/fs/smb/server/transport_ipc.c
@@ -553,12 +553,16 @@ static void *ipc_msg_send_request(struct ksmbd_ipc_msg *msg, unsigned int handle
up_write(&ipc_msg_table_lock);
ret = ipc_msg_send(msg);
- if (ret)
+ if (ret) {
+ down_write(&ipc_msg_table_lock);
goto out;
+ }
ret = wait_event_interruptible_timeout(entry.wait,
entry.response != NULL,
IPC_WAIT_TIMEOUT);
+
+ down_write(&ipc_msg_table_lock);
if (entry.response) {
ret = ipc_validate_msg(&entry);
if (ret) {
@@ -567,7 +571,6 @@ static void *ipc_msg_send_request(struct ksmbd_ipc_msg *msg, unsigned int handle
}
}
out:
- down_write(&ipc_msg_table_lock);
hash_del(&entry.ipc_table_hlist);
up_write(&ipc_msg_table_lock);
return entry.response;
diff --git a/kernel/locking/spinlock_debug.c b/kernel/locking/spinlock_debug.c
index 87b03d2e41db..2338b3adfb55 100644
--- a/kernel/locking/spinlock_debug.c
+++ b/kernel/locking/spinlock_debug.c
@@ -184,8 +184,8 @@ void do_raw_read_unlock(rwlock_t *lock)
static inline void debug_write_lock_before(rwlock_t *lock)
{
RWLOCK_BUG_ON(lock->magic != RWLOCK_MAGIC, lock, "bad magic");
- RWLOCK_BUG_ON(lock->owner == current, lock, "recursion");
- RWLOCK_BUG_ON(lock->owner_cpu == raw_smp_processor_id(),
+ RWLOCK_BUG_ON(READ_ONCE(lock->owner) == current, lock, "recursion");
+ RWLOCK_BUG_ON(READ_ONCE(lock->owner_cpu) == raw_smp_processor_id(),
lock, "cpu recursion");
}
^ permalink raw reply related [flat|nested] 2+ messages in thread