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Steven Rostedt (VMware)
ab6b846303 ftrace: Allow ftrace startup flags to exist without dynamic ftrace 
Some of the flags for ftrace_startup() may be exposed even when
CONFIG_DYNAMIC_FTRACE is not configured in. This is fine as the difference
between dynamic ftrace and static ftrace is done within the internals of
ftrace itself. No need to have use cases fail to compile because dynamic
ftrace is disabled.

This change is needed to move some of the logic of what is passed to
ftrace_startup() out of the parameters of ftrace_startup().

Link: https://lore.kernel.org/linux-trace-kernel/171509100890.162236.4362350342549122222.stgit@devnote2
Link: https://lore.kernel.org/linux-trace-kernel/20240603190822.350654104@goodmis.org

Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Alexei Starovoitov <alexei.starovoitov@gmail.com>
Cc: Florent Revest <revest@chromium.org>
Cc: Martin KaFai Lau <martin.lau@linux.dev>
Cc: bpf <bpf@vger.kernel.org>
Cc: Sven Schnelle <svens@linux.ibm.com>
Cc: Alexei Starovoitov <ast@kernel.org>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Arnaldo Carvalho de Melo <acme@kernel.org>
Cc: Daniel Borkmann <daniel@iogearbox.net>
Cc: Alan Maguire <alan.maguire@oracle.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Guo Ren <guoren@kernel.org>
Reviewed-by: Masami Hiramatsu (Google) <mhiramat@kernel.org>
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
Signed-off-by: Masami Hiramatsu (Google) <mhiramat@kernel.org>
Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
 2024-06-04 10:36:33 -04:00
Steven Rostedt (VMware)
26dda5631d ftrace: Allow function_graph tracer to be enabled in instances 
Now that function graph tracing can handle more than one user, allow it to
be enabled in the ftrace instances. Note, the filtering of the functions is
still joined by the top level set_ftrace_filter and friends, as well as the
graph and nograph files.

Co-developed with Masami Hiramatsu:
Link: https://lore.kernel.org/linux-trace-kernel/171509099743.162236.1699959255446248163.stgit@devnote2
Link: https://lore.kernel.org/linux-trace-kernel/20240603190822.190630762@goodmis.org

Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Alexei Starovoitov <alexei.starovoitov@gmail.com>
Cc: Florent Revest <revest@chromium.org>
Cc: Martin KaFai Lau <martin.lau@linux.dev>
Cc: bpf <bpf@vger.kernel.org>
Cc: Sven Schnelle <svens@linux.ibm.com>
Cc: Alexei Starovoitov <ast@kernel.org>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Arnaldo Carvalho de Melo <acme@kernel.org>
Cc: Daniel Borkmann <daniel@iogearbox.net>
Cc: Alan Maguire <alan.maguire@oracle.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Guo Ren <guoren@kernel.org>
Reviewed-by: Masami Hiramatsu (Google) <mhiramat@kernel.org>
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
Signed-off-by: Masami Hiramatsu (Google) <mhiramat@kernel.org>
Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
 2024-06-04 10:36:28 -04:00
Steven Rostedt (VMware)
37238abe3c ftrace/function_graph: Pass fgraph_ops to function graph callbacks 
Pass the fgraph_ops structure to the function graph callbacks. This will
allow callbacks to add a descriptor to a fgraph_ops private field that wil
be added in the future and use it for the callbacks. This will be useful
when more than one callback can be registered to the function graph tracer.

Co-developed with Masami Hiramatsu:
Link: https://lore.kernel.org/linux-trace-kernel/171509098588.162236.4787930115997357578.stgit@devnote2
Link: https://lore.kernel.org/linux-trace-kernel/20240603190822.035147698@goodmis.org

Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Alexei Starovoitov <alexei.starovoitov@gmail.com>
Cc: Florent Revest <revest@chromium.org>
Cc: Martin KaFai Lau <martin.lau@linux.dev>
Cc: bpf <bpf@vger.kernel.org>
Cc: Sven Schnelle <svens@linux.ibm.com>
Cc: Alexei Starovoitov <ast@kernel.org>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Arnaldo Carvalho de Melo <acme@kernel.org>
Cc: Daniel Borkmann <daniel@iogearbox.net>
Cc: Alan Maguire <alan.maguire@oracle.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Guo Ren <guoren@kernel.org>
Reviewed-by: Masami Hiramatsu (Google) <mhiramat@kernel.org>
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
Signed-off-by: Masami Hiramatsu (Google) <mhiramat@kernel.org>
Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
 2024-06-04 10:36:22 -04:00
Steven Rostedt (VMware)
2fbb549983 function_graph: Remove logic around ftrace_graph_entry and return 
The function pointers ftrace_graph_entry and ftrace_graph_return are no
longer called via the function_graph tracer. Instead, an array structure is
now used that will allow for multiple users of the function_graph
infrastructure. The variables are still used by the architecture code for
non dynamic ftrace configs, where a test is made against them to see if
they point to the default stub function or not. This is how the static
function tracing knows to call into the function graph tracer
infrastructure or not.

Two new stub functions are made. entry_run() and return_run(). The
ftrace_graph_entry and ftrace_graph_return are set to them respectively
when the function graph tracer is enabled, and this will trigger the
architecture specific function graph code to be executed.

This also requires checking the global_ops hash for all calls into the
function_graph tracer.

Co-developed with Masami Hiramatsu:
Link: https://lore.kernel.org/linux-trace-kernel/171509097408.162236.17387844142114638932.stgit@devnote2
Link: https://lore.kernel.org/linux-trace-kernel/20240603190821.872127216@goodmis.org

Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Alexei Starovoitov <alexei.starovoitov@gmail.com>
Cc: Florent Revest <revest@chromium.org>
Cc: Martin KaFai Lau <martin.lau@linux.dev>
Cc: bpf <bpf@vger.kernel.org>
Cc: Sven Schnelle <svens@linux.ibm.com>
Cc: Alexei Starovoitov <ast@kernel.org>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Arnaldo Carvalho de Melo <acme@kernel.org>
Cc: Daniel Borkmann <daniel@iogearbox.net>
Cc: Alan Maguire <alan.maguire@oracle.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Guo Ren <guoren@kernel.org>
Reviewed-by: Masami Hiramatsu (Google) <mhiramat@kernel.org>
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
Signed-off-by: Masami Hiramatsu (Google) <mhiramat@kernel.org>
Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
 2024-06-04 10:36:11 -04:00
Masami Hiramatsu (Google)
375bb57292 function_graph: Handle tail calls for stack unwinding 
For the tail-call, there would be 2 or more ftrace_ret_stacks on the
ret_stack, which records "return_to_handler" as the return address except
for the last one.  But on the real stack, there should be 1 entry because
tail-call reuses the return address on the stack and jump to the next
function.

In ftrace_graph_ret_addr() that is used for stack unwinding, skip tail
calls as a real stack unwinder would do.

Link: https://lore.kernel.org/linux-trace-kernel/171509096221.162236.8806372072523195752.stgit@devnote2
Link: https://lore.kernel.org/linux-trace-kernel/20240603190821.717065217@goodmis.org

Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Alexei Starovoitov <alexei.starovoitov@gmail.com>
Cc: Florent Revest <revest@chromium.org>
Cc: Martin KaFai Lau <martin.lau@linux.dev>
Cc: bpf <bpf@vger.kernel.org>
Cc: Sven Schnelle <svens@linux.ibm.com>
Cc: Alexei Starovoitov <ast@kernel.org>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Arnaldo Carvalho de Melo <acme@kernel.org>
Cc: Daniel Borkmann <daniel@iogearbox.net>
Cc: Alan Maguire <alan.maguire@oracle.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Guo Ren <guoren@kernel.org>
Signed-off-by: Masami Hiramatsu (Google) <mhiramat@kernel.org>
Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
 2024-06-04 10:36:05 -04:00
Steven Rostedt (VMware)
7aa1eaef9f function_graph: Allow multiple users to attach to function graph 
Allow for multiple users to attach to function graph tracer at the same
time. Only 16 simultaneous users can attach to the tracer. This is because
there's an array that stores the pointers to the attached fgraph_ops. When
a function being traced is entered, each of the ftrace_ops entryfunc is
called and if it returns non zero, its index into the array will be added
to the shadow stack.

On exit of the function being traced, the shadow stack will contain the
indexes of the ftrace_ops on the array that want their retfunc to be
called.

Because a function may sleep for a long time (if a task sleeps itself),
the return of the function may be literally days later. If the ftrace_ops
is removed, its place on the array is replaced with a ftrace_ops that
contains the stub functions and that will be called when the function
finally returns.

If another ftrace_ops is added that happens to get the same index into the
array, its return function may be called. But that's actually the way
things current work with the old function graph tracer. If one tracer is
removed and another is added, the new one will get the return calls of the
function traced by the previous one, thus this is not a regression. This
can be fixed by adding a counter to each time the array item is updated and
save that on the shadow stack as well, such that it won't be called if the
index saved does not match the index on the array.

Note, being able to filter functions when both are called is not completely
handled yet, but that shouldn't be too hard to manage.

Co-developed with Masami Hiramatsu:
Link: https://lore.kernel.org/linux-trace-kernel/171509096221.162236.8806372072523195752.stgit@devnote2
Link: https://lore.kernel.org/linux-trace-kernel/20240603190821.555493396@goodmis.org

Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Alexei Starovoitov <alexei.starovoitov@gmail.com>
Cc: Florent Revest <revest@chromium.org>
Cc: Martin KaFai Lau <martin.lau@linux.dev>
Cc: bpf <bpf@vger.kernel.org>
Cc: Sven Schnelle <svens@linux.ibm.com>
Cc: Alexei Starovoitov <ast@kernel.org>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Arnaldo Carvalho de Melo <acme@kernel.org>
Cc: Daniel Borkmann <daniel@iogearbox.net>
Cc: Alan Maguire <alan.maguire@oracle.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Guo Ren <guoren@kernel.org>
Reviewed-by: Masami Hiramatsu (Google) <mhiramat@kernel.org>
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
Signed-off-by: Masami Hiramatsu (Google) <mhiramat@kernel.org>
Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
 2024-06-04 10:35:58 -04:00
Steven Rostedt (VMware)
518d6804a8 function_graph: Add an array structure that will allow multiple callbacks 
Add an array structure that will eventually allow the function graph tracer
to have up to 16 simultaneous callbacks attached. It's an array of 16
fgraph_ops pointers, that is assigned when one is registered. On entry of a
function the entry of the first item in the array is called, and if it
returns zero, then the callback returns non zero if it wants the return
callback to be called on exit of the function.

The array will simplify the process of having more than one callback
attached to the same function, as its index into the array can be stored on
the shadow stack. We need to only save the index, because this will allow
the fgraph_ops to be freed before the function returns (which may happen if
the function call schedule for a long time).

Co-developed with Masami Hiramatsu:
Link: https://lore.kernel.org/linux-trace-kernel/171509095075.162236.8272148192748284581.stgit@devnote2
Link: https://lore.kernel.org/linux-trace-kernel/20240603190821.392113213@goodmis.org

Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Alexei Starovoitov <alexei.starovoitov@gmail.com>
Cc: Florent Revest <revest@chromium.org>
Cc: Martin KaFai Lau <martin.lau@linux.dev>
Cc: bpf <bpf@vger.kernel.org>
Cc: Sven Schnelle <svens@linux.ibm.com>
Cc: Alexei Starovoitov <ast@kernel.org>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Arnaldo Carvalho de Melo <acme@kernel.org>
Cc: Daniel Borkmann <daniel@iogearbox.net>
Cc: Alan Maguire <alan.maguire@oracle.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Guo Ren <guoren@kernel.org>
Reviewed-by: Masami Hiramatsu (Google) <mhiramat@kernel.org>
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
Signed-off-by: Masami Hiramatsu (Google) <mhiramat@kernel.org>
Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
 2024-06-04 10:35:53 -04:00
Steven Rostedt (VMware)
59e5f04e41 fgraph: Use BUILD_BUG_ON() to make sure we have structures divisible by long 
Instead of using "ALIGN()", use BUILD_BUG_ON() as the structures should
always be divisible by sizeof(long).

Co-developed with Masami Hiramatsu:
Link: https://lore.kernel.org/linux-trace-kernel/171509093949.162236.14518699447151894536.stgit@devnote2
Link: http://lkml.kernel.org/r/20190524111144.GI2589@hirez.programming.kicks-ass.net
Link: https://lore.kernel.org/linux-trace-kernel/20240603190821.232168933@goodmis.org

Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Alexei Starovoitov <alexei.starovoitov@gmail.com>
Cc: Florent Revest <revest@chromium.org>
Cc: Martin KaFai Lau <martin.lau@linux.dev>
Cc: bpf <bpf@vger.kernel.org>
Cc: Sven Schnelle <svens@linux.ibm.com>
Cc: Alexei Starovoitov <ast@kernel.org>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Arnaldo Carvalho de Melo <acme@kernel.org>
Cc: Daniel Borkmann <daniel@iogearbox.net>
Cc: Alan Maguire <alan.maguire@oracle.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Guo Ren <guoren@kernel.org>
Reviewed-by: Masami Hiramatsu (Google) <mhiramat@kernel.org>
Suggested-by: Peter Zijlstra <peterz@infradead.org>
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
Signed-off-by: Masami Hiramatsu (Google) <mhiramat@kernel.org>
Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
 2024-06-04 10:35:40 -04:00
Steven Rostedt (VMware)
42675b723b function_graph: Convert ret_stack to a series of longs 
In order to make it possible to have multiple callbacks registered with the
function_graph tracer, the retstack needs to be converted from an array of
ftrace_ret_stack structures to an array of longs. This will allow to store
the list of callbacks on the stack for the return side of the functions.

Link: https://lore.kernel.org/linux-trace-kernel/171509092742.162236.4427737821399314856.stgit@devnote2
Link: https://lore.kernel.org/linux-trace-kernel/20240603190821.073111754@goodmis.org

Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Alexei Starovoitov <alexei.starovoitov@gmail.com>
Cc: Florent Revest <revest@chromium.org>
Cc: Martin KaFai Lau <martin.lau@linux.dev>
Cc: bpf <bpf@vger.kernel.org>
Cc: Sven Schnelle <svens@linux.ibm.com>
Cc: Alexei Starovoitov <ast@kernel.org>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Arnaldo Carvalho de Melo <acme@kernel.org>
Cc: Daniel Borkmann <daniel@iogearbox.net>
Cc: Alan Maguire <alan.maguire@oracle.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Guo Ren <guoren@kernel.org>
Reviewed-by: Masami Hiramatsu (Google) <mhiramat@kernel.org>
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
Signed-off-by: Masami Hiramatsu (Google) <mhiramat@kernel.org>
Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
 2024-06-04 10:35:09 -04:00
Linus Torvalds
c3f38fa61a Linux 6.10-rc2 v6.10-rc2 2024-06-02 15:44:56 -07:00
Linus Torvalds
58d89ee81a ata fixes for 6.10-rc2 
- Add a quirk for three different devices that have shown issues with
    LPM (link power management). These devices appear to not implement LPM
    properly, since we see command timeouts when enabling LPM. The quirk
    disables LPM for these problematic devices. (Me)
 
  - Do not apply the Intel PCS quirk on Alder Lake. The quirk is not needed
    and was originally added by mistake when LPM support was enabled for
    this AHCI controller. Enabling the quirk when not needed causes the
    the controller to not be able to detect the connected devices on some
    platforms.
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Merge tag 'ata-6.10-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/libata/linux

Pull ata fixes from Niklas Cassel:

 - Add a quirk for three different devices that have shown issues with
   LPM (link power management). These devices appear to not implement
   LPM properly, since we see command timeouts when enabling LPM. The
   quirk disables LPM for these problematic devices. (Me)

 - Do not apply the Intel PCS quirk on Alder Lake. The quirk is not
   needed and was originally added by mistake when LPM support was
   enabled for this AHCI controller. Enabling the quirk when not needed
   causes the the controller to not be able to detect the connected
   devices on some platforms.

* tag 'ata-6.10-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/libata/linux:
  ata: libata-core: Add ATA_HORKAGE_NOLPM for Apacer AS340
  ata: libata-core: Add ATA_HORKAGE_NOLPM for AMD Radeon S3 SSD
  ata: libata-core: Add ATA_HORKAGE_NOLPM for Crucial CT240BX500SSD1
  ata: ahci: Do not apply Intel PCS quirk on Intel Alder Lake
 2024-06-02 13:30:53 -07:00
Linus Torvalds
a693b9c95a Miscellaneous topology parsing fixes: 
- Fix topology parsing regression on older CPUs in the
    new AMD/Hygon parser
 
  - Fix boot crash on odd Intel Quark and similar CPUs that
    do not fill out cpuinfo_x86::x86_clflush_size and zero out
    cpuinfo_x86::x86_cache_alignment as a result. Provide
    32 bytes as a general fallback value.
 
  - Fix topology enumeration on certain rare CPUs where the
    BIOS locks certain CPUID leaves and the kernel unlocked
    them late, which broke with the new topology parsing code.
    Factor out this unlocking logic and move it earlier
    in the parsing sequence.
 
 Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Merge tag 'x86-urgent-2024-06-02' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull x86 fixes from Ingo Molnar:
 "Miscellaneous topology parsing fixes:

   - Fix topology parsing regression on older CPUs in the new AMD/Hygon
     parser

   - Fix boot crash on odd Intel Quark and similar CPUs that do not fill
     out cpuinfo_x86::x86_clflush_size and zero out
     cpuinfo_x86::x86_cache_alignment as a result.

     Provide 32 bytes as a general fallback value.

   - Fix topology enumeration on certain rare CPUs where the BIOS locks
     certain CPUID leaves and the kernel unlocked them late, which broke
     with the new topology parsing code. Factor out this unlocking logic
     and move it earlier in the parsing sequence"

* tag 'x86-urgent-2024-06-02' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  x86/topology/intel: Unlock CPUID before evaluating anything
  x86/cpu: Provide default cache line size if not enumerated
  x86/topology/amd: Evaluate SMT in CPUID leaf 0x8000001e only on family 0x17 and greater
 2024-06-02 09:32:34 -07:00
Linus Torvalds
3fca58ffad Export a symbol to make life easier for instrumentation/debugging. 
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Merge tag 'sched-urgent-2024-06-02' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull scheduler fix from Ingo Molnar:
 "Export a symbol to make life easier for instrumentation/debugging"

* tag 'sched-urgent-2024-06-02' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  sched/x86: Export 'percpu arch_freq_scale'
 2024-06-02 09:23:35 -07:00
Linus Torvalds
efa8f11a7e Add missing MODULE_DESCRIPTION() lines. 
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Merge tag 'perf-urgent-2024-06-02' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull perf events fix from Ingo Molnar:
 "Add missing MODULE_DESCRIPTION() lines"

* tag 'perf-urgent-2024-06-02' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  perf/x86/intel: Add missing MODULE_DESCRIPTION() lines
  perf/x86/rapl: Add missing MODULE_DESCRIPTION() line
 2024-06-02 09:20:37 -07:00
Linus Torvalds
00a8c352dd hardening fixes for v6.10-rc2-take2 
- scsi: mpt3sas: Avoid possible run-time warning with long manufacturer strings
 
 - mailmap: update entry for Kees Cook
 
 - kunit/fortify: Remove __kmalloc_node() test
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Merge tag 'hardening-v6.10-rc2-take2' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux

Pull hardening fixes from Kees Cook:

 - scsi: mpt3sas: Avoid possible run-time warning with long manufacturer
   strings

 - mailmap: update entry for Kees Cook

 - kunit/fortify: Remove __kmalloc_node() test

* tag 'hardening-v6.10-rc2-take2' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux:
  kunit/fortify: Remove __kmalloc_node() test
  mailmap: update entry for Kees Cook
  scsi: mpt3sas: Avoid possible run-time warning with long manufacturer strings
 2024-06-02 09:15:28 -07:00
Linus Torvalds
83814698cf powerpc fixes for 6.10 #2 
- Enforce full ordering for ATOMIC operations with BPF_FETCH.
 
  - Fix uaccess build errors seen with GCC 13/14.
 
  - Fix build errors on ppc32 due to ARCH_HAS_KERNEL_FPU_SUPPORT.
 
  - Drop error message from lparcfg guest name lookup.
 
 Thanks to: Christophe Leroy, Guenter Roeck, Nathan Lynch, Naveen N Rao, Puranjay
 Mohan, Samuel Holland.
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Merge tag 'powerpc-6.10-2' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux

Pull powerpc fixes from Michael Ellerman:

 - Enforce full ordering for ATOMIC operations with BPF_FETCH

 - Fix uaccess build errors seen with GCC 13/14

 - Fix build errors on ppc32 due to ARCH_HAS_KERNEL_FPU_SUPPORT

 - Drop error message from lparcfg guest name lookup

Thanks to Christophe Leroy, Guenter Roeck, Nathan Lynch, Naveen N Rao,
Puranjay Mohan, and Samuel Holland.

* tag 'powerpc-6.10-2' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux:
  powerpc: Limit ARCH_HAS_KERNEL_FPU_SUPPORT to PPC64
  powerpc/uaccess: Use YZ asm constraint for ld
  powerpc/uaccess: Fix build errors seen with GCC 13/14
  powerpc/pseries/lparcfg: drop error message from guest name lookup
  powerpc/bpf: enforce full ordering for ATOMIC operations with BPF_FETCH
 2024-06-01 17:34:35 -07:00
Linus Torvalds
54bec8ed57 firewire fixes for 6.10-rc1 
After merging a commit 1fffe7a34c ("script: modpost: emit a warning when
 the description is missing"), MODULE_DESCRIPTOR seems to be mandatory for
 kernel modules. In FireWire subsystem, the most of practical kernel modules
 have the field, while KUnit test modules do not. A single patch is applied
 to fix them.
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Merge tag 'firewire-fixes-6.10-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/ieee1394/linux1394

Pull firewire fix from Takashi Sakamoto:
 "After merging a commit 1fffe7a34c ("script: modpost: emit a warning
  when the description is missing"), MODULE_DESCRIPTOR seems to be
  mandatory for kernel modules. In FireWire subsystem, the most of
  practical kernel modules have the field, while KUnit test modules do
  not. A single patch is applied to fix them"

* tag 'firewire-fixes-6.10-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/ieee1394/linux1394:
  firewire: add missing MODULE_DESCRIPTION() to test modules
 2024-06-01 17:05:00 -07:00
Linus Torvalds
89be4025b0 2 small smb3 fixes 
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Merge tag '6.10-rc1-smb3-client-fixes' of git://git.samba.org/sfrench/cifs-2.6

Pull smb client fixes from Steve French:
 "Two small smb3 fixes:

   - Fix socket creation with sfu mount option (spotted by test generic/423)

   - Minor cleanup: fix missing description in two files"

* tag '6.10-rc1-smb3-client-fixes' of git://git.samba.org/sfrench/cifs-2.6:
  cifs: fix creating sockets when using sfu mount options
  fs: smb: common: add missing MODULE_DESCRIPTION() macros
 2024-06-01 14:35:57 -07:00
Linus Torvalds
ec9eeb89e6 Kbuild fixes for v6.10 
- Fix a Kconfig bug regarding comparisons to 'm' or 'n'
 
  - Replace missed $(srctree)/$(src)
 
  - Fix unneeded kallsyms step 3
 
  - Remove incorrect "compatible" properties from image nodes in image.fit
 
  - Improve gen_kheaders.sh
 
  - Fix 'make dt_binding_check'
 
  - Clean up unnecessary code
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Merge tag 'kbuild-fixes-v6.10' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild

Pull Kbuild fixes from Masahiro Yamada:

 - Fix a Kconfig bug regarding comparisons to 'm' or 'n'

 - Replace missed $(srctree)/$(src)

 - Fix unneeded kallsyms step 3

 - Remove incorrect "compatible" properties from image nodes in
   image.fit

 - Improve gen_kheaders.sh

 - Fix 'make dt_binding_check'

 - Clean up unnecessary code

* tag 'kbuild-fixes-v6.10' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild:
  dt-bindings: kbuild: Fix dt_binding_check on unconfigured build
  kheaders: use `command -v` to test for existence of `cpio`
  kheaders: explicitly define file modes for archived headers
  scripts/make_fit: Drop fdt image entry compatible string
  kbuild: remove a stale comment about cleaning in link-vmlinux.sh
  kbuild: fix short log for AS in link-vmlinux.sh
  kbuild: change scripts/mksysmap into sed script
  kbuild: avoid unneeded kallsyms step 3
  kbuild: scripts/gdb: Replace missed $(srctree)/$(src) w/ $(src)
  kconfig: remove redundant check in expr_join_or()
  kconfig: fix comparison to constant symbols, 'm', 'n'
  kconfig: remove unused expr_is_no()
 2024-06-01 09:33:55 -07:00
Linus Torvalds
bbeb1219ee Bug fixes for 6.10-rc2: 
* Fix a livelock by dropping an xfarray sortinfo folio when an error is
    encountered.
  * During extended attribute operations, Initialize transaction reservation
    computation based on attribute operation code.
  * Relax symbolic link's ondisk verification code to allow symbolic links
    with short remote targets.
  * Prevent soft lockups when unmapping file ranges and also during remapping
    blocks during a reflink operation.
  * Fix compilation warnings when XFS is built with W=1 option.
 
 Signed-off-by: Chandan Babu R <chandanbabu@kernel.org>
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Merge tag 'xfs-6.10-fixes-1' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux

Pull xfs fixes from Chandan Babu:

 - Fix a livelock by dropping an xfarray sortinfo folio when an error
   is encountered

 - During extended attribute operations, Initialize transaction
   reservation computation based on attribute operation code

 - Relax symbolic link's ondisk verification code to allow symbolic
   links with short remote targets

 - Prevent soft lockups when unmapping file ranges and also during
   remapping blocks during a reflink operation

 - Fix compilation warnings when XFS is built with W=1 option

* tag 'xfs-6.10-fixes-1' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux:
  xfs: Add cond_resched to block unmap range and reflink remap path
  xfs: don't open-code u64_to_user_ptr
  xfs: allow symlinks with short remote targets
  xfs: fix xfs_init_attr_trans not handling explicit operation codes
  xfs: drop xfarray sortinfo folio on error
  xfs: Stop using __maybe_unused in xfs_alloc.c
  xfs: Clear W=1 warning in xfs_iwalk_run_callbacks()
 2024-06-01 08:59:04 -07:00
Linus Torvalds
f26ee67a0f TTY fix for 6.10-rc2 
Here is a single revert for a much-reported regression in 6.10-rc1 when
 it comes to a few older architectures.  Turns out that the VT ioctls
 don't work the same across all cpu types because of some old
 compatibility requrements for stuff like alpha and powerpc.  So revert
 the change that attempted to have them use the _IO() macros and go back
 to the known-working values instead.
 
 This has NOT been in linux-next but has had many reports that it fixes
 the issue with 6.10-rc1.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'tty-6.10-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty

Pull tty fix from Greg KH:
 "Here is a single revert for a much-reported regression in 6.10-rc1
  when it comes to a few older architectures.

  Turns out that the VT ioctls don't work the same across all cpu types
  because of some old compatibility requrements for stuff like alpha and
  powerpc. So revert the change that attempted to have them use the
  _IO() macros and go back to the known-working values instead.

  This has NOT been in linux-next but has had many reports that it fixes
  the issue with 6.10-rc1"

* tag 'tty-6.10-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty:
  Revert "VT: Use macros to define ioctls"
 2024-06-01 08:53:39 -07:00
Linus Torvalds
d9aab0b1c9 Landlock fix for v6.10-rc2 
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Merge tag 'landlock-6.10-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/mic/linux

Pull landlock fix from Mickaël Salaün:
 "This fixes a wrong path walk triggered by syzkaller"

* tag 'landlock-6.10-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/mic/linux:
  selftests/landlock: Add layout1.refer_mount_root
  landlock: Fix d_parent walk
 2024-06-01 08:28:24 -07:00
Greg Kroah-Hartman
7bc4244c88 Revert "VT: Use macros to define ioctls" 
This reverts commit 8c467f3300.

Turns out this breaks many architectures as the vt ioctls do not all
match up everywhere due to historical reasons, so the original commit is
invalid for many values.

Reported-by: Nick Bowler <nbowler@draconx.ca>
Reported-by: Arnd Bergmann <arnd@kernel.org>
Reported-by: Jiri Slaby <jirislaby@kernel.org>
Reported-by: Christian Zigotzky <chzigotzky@xenosoft.de>
Reported-by: Michael Ellerman <mpe@ellerman.id.au>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Cc: Alexey Gladkov <legion@kernel.org>
Link: https://lore.kernel.org/r/ad4e561c-1d49-4f25-882c-7a36c6b1b5c0@draconx.ca
Link: https://lore.kernel.org/r/0da9785e-ba44-4718-9d08-4e96c1ba7ab2@kernel.org
Link: https://lore.kernel.org/all/34d848f4-670b-4493-bf21-130ef862521b@xenosoft.de/
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
 2024-06-01 07:28:21 +02:00
Linus Torvalds
cc8ed4d0a8 drm fixes for 6.10-rc2 
shmem:
 - fix BUG_ON in COW handling
 - Warn when trying to pin imported objects
 
 buddy:
 - fix page size handling
 
 dma-buf:
 - sw-sync: Don't interfere with IRQ handling
 - Fix kthreads-handling error path
 
 i915:
 - Fix a race in audio component by registering it later
 - Make DPT object unshrinkable to avoid shrinking when framebuffer has
   not shrunk
 - Fix CCS id calculation to fix a perf regression
 - Fix selftest caching mode
 - Fix FIELD_PREP compiler warnings
 - Fix indefinite wait for GT wakeref release
 - Revert overeager multi-gt pm reference removal
 
 xe:
 - One pcode polling timeout change
 - One fix for deadlocks for faulting VMs
 - One error-path lock imbalance fix
 
 amdgpu:
 - RAS fix
 - Fix colorspace property for MST connectors
 - Fix for PCIe DPM
 - Silence UBSAN warning
 - GPUVM robustness fix
 - Partition fix
 - Drop deprecated I2C_CLASS_SPD
 
 amdkfd:
 - Revert unused changes for certain 11.0.3 devices
 - Simplify APU VRAM handling
 
 lima:
 - Fix dma_resv-related deadlock in object pin
 
 msm:
 - Remove build-time dependency on Python 3.9
 
 nouveau:
 - nvif: Fix possible integer overflow
 
 panel:
 - lg-sw43408: Select DP helpers; Declare backlight ops as static
 - sitronix-st7789v: Various fixes for jt240mhqs_hwt_ek_e3 panel
 
 panfrost:
 - Fix dma_resv-related deadlock in object pin
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Merge tag 'drm-fixes-2024-06-01' of https://gitlab.freedesktop.org/drm/kernel

Pull drm fixes from Dave Airlie:
 "This is the weekly fixes. Lots of small fixes across the board, one
  BUG_ON fix in shmem seems most important, otherwise amdgpu, i915, xe
  mostly with small fixes to all the other drivers.

  shmem:
   - fix BUG_ON in COW handling
   - warn when trying to pin imported objects

  buddy:
   - fix page size handling

  dma-buf:
   - sw-sync: Don't interfere with IRQ handling
   - fix kthreads-handling error path

  i915:
   - fix a race in audio component by registering it later
   - make DPT object unshrinkable to avoid shrinking when framebuffer
     has not shrunk
   - fix CCS id calculation to fix a perf regression
   - fix selftest caching mode
   - fix FIELD_PREP compiler warnings
   - fix indefinite wait for GT wakeref release
   - revert overeager multi-gt pm reference removal

  xe:
   - pcode polling timeout change
   - fix for deadlocks for faulting VMs
   - error-path lock imbalance fix

  amdgpu:
   - RAS fix
   - fix colorspace property for MST connectors
   - fix for PCIe DPM
   - silence UBSAN warning
   - GPUVM robustness fix
   - partition fix
   - drop deprecated I2C_CLASS_SPD

  amdkfd:
   - revert unused changes for certain 11.0.3 devices
   - simplify APU VRAM handling

  lima:
   - fix dma_resv-related deadlock in object pin

  msm:
   - remove build-time dependency on Python 3.9

  nouveau:
   - nvif: Fix possible integer overflow

  panel:
   - lg-sw43408: Select DP helpers; Declare backlight ops as static
   - sitronix-st7789v: Various fixes for jt240mhqs_hwt_ek_e3 panel

  panfrost:
   - fix dma_resv-related deadlock in object pin"

* tag 'drm-fixes-2024-06-01' of https://gitlab.freedesktop.org/drm/kernel: (35 commits)
  drm/msm: remove python 3.9 dependency for compiling msm
  drm/panel: sitronix-st7789v: fix display size for jt240mhqs_hwt_ek_e3 panel
  drm/panel: sitronix-st7789v: tweak timing for jt240mhqs_hwt_ek_e3 panel
  drm/panel: sitronix-st7789v: fix timing for jt240mhqs_hwt_ek_e3 panel
  drm/amd/pm: remove deprecated I2C_CLASS_SPD support from newly added SMU_14_0_2
  drm/amdgpu: Make CPX mode auto default in NPS4
  drm/amdkfd: simplify APU VRAM handling
  Revert "drm/amdkfd: fix gfx_target_version for certain 11.0.3 devices"
  drm/amdgpu: fix dereference null return value for the function amdgpu_vm_pt_parent
  drm/amdgpu: silence UBSAN warning
  drm/amdgpu: Adjust logic in amdgpu_device_partner_bandwidth()
  drm/i915: Fix audio component initialization
  drm/i915/dpt: Make DPT object unshrinkable
  drm/i915/gt: Fix CCS id's calculation for CCS mode setting
  drm/panel/lg-sw43408: mark sw43408_backlight_ops as static
  drm/i915/selftests: Set always_coherent to false when reading from CPU
  drm/panel/lg-sw43408: select CONFIG_DRM_DISPLAY_DP_HELPER
  drm/i915/guc: avoid FIELD_PREP warning
  drm/i915/gt: Disarm breadcrumbs if engines are already idle
  Revert "drm/i915: Remove extra multi-gt pm-references"
  ...
 2024-05-31 16:26:48 -07:00
Linus Torvalds
1b907b83ae hwmon fixes for v6.10-rc2 
* sttcs: Fix property spelling
 
 * intel-m10-bmc-hwmon: Fix multiplier for N6000 board power sensor
 
 * ltc2992: Fix memory leak
 
 * dell-smm: Add Dell G15 5511 to fan control whitelist
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Merge tag 'hwmon-for-v6.10-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging

Pull hwmon fixes from Guenter Roeck:

 - sttcs: Fix property spelling

 - intel-m10-bmc-hwmon: Fix multiplier for N6000 board power sensor

 - ltc2992: Fix memory leak

 - dell-smm: Add Dell G15 5511 to fan control whitelist

* tag 'hwmon-for-v6.10-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging:
  hwmon: (shtc1) Fix property misspelling
  hwmon: (intel-m10-bmc-hwmon) Fix multiplier for N6000 board power sensor
  hwmon: (ltc2992) Fix memory leak in ltc2992_parse_dt()
  hwmon: (dell-smm) Add Dell G15 5511 to fan control whitelist
 2024-05-31 16:24:11 -07:00
Linus Torvalds
b7087cb35a zynqmp-ipi: fix linker error on some configurations 
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Merge tag 'mailbox-fixes-v6.10-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jassibrar/mailbox

Pull mailbox fix from Jassi Brar:

 - zynqmp-ipi: fix linker error on some configurations

* tag 'mailbox-fixes-v6.10-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jassibrar/mailbox:
  mailbox: zynqmp-ipi: drop irq_to_desc() call
 2024-05-31 16:21:00 -07:00
Linus Torvalds
d5931dd0de spi: Fixes for v6.10 
A series of fixes that came in since the merge window, the main thing
 being the fixes Andy did for DMA sync where we were calling into the DMA
 API in suprising ways and causing issues as a result, the main thing
 being confusing the IOMMU code.
 
 We've also got some fairly important fixes for the stm32 driver, it
 supports a wide range of hardware and some optimisations that were done
 recently have broken on some systems, and a fix to prevent glitched
 signals on the bus in the cadence driver.
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Merge tag 'spi-fix-v6.10-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi

Pull spi fixes from Mark Brown:
 "A series of fixes that came in since the merge window, the main thing
  being the fixes Andy did for DMA sync where we were calling into the
  DMA API in suprising ways and causing issues as a result, the main
  thing being confusing the IOMMU code.

  We've also got some fairly important fixes for the stm32 driver, it
  supports a wide range of hardware and some optimisations that were
  done recently have broken on some systems, and a fix to prevent
  glitched signals on the bus in the cadence driver"

* tag 'spi-fix-v6.10-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi:
  spi: stm32: Don't warn about spurious interrupts
  spi: Assign dummy scatterlist to unidirectional transfers
  spi: cadence: Ensure data lines set to low during dummy-cycle period
  spi: stm32: Revert change that enabled controller before asserting CS
  spi: Check if transfer is mapped before calling DMA sync APIs
  spi: Don't mark message DMA mapped when no transfer in it is
 2024-05-31 16:17:40 -07:00
Linus Torvalds
28add42dc2 regulator: Fix for v6.10 
One fix that came in since -rc1, fixing misuse of a local variable in
 the DT parsing code in the RTQ2208 driver.
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Merge tag 'regulator-fix-v6.10-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator

Pull regulator fix from Mark Brown:
 "One fix that came in since -rc1, fixing misuse of a local variable in
  the DT parsing code in the RTQ2208 driver"

* tag 'regulator-fix-v6.10-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator:
  regulator: rtq2208: Fix invalid memory access when devm_of_regulator_put_matches is called
 2024-05-31 16:12:54 -07:00
Linus Torvalds
b7c05622da regmap: Fix for v6.10 
The I2C bus was not taking account of the register and any padding bytes
 when handling maximum write sizes supported by an I2C adaptor, this
 patch from Jim Wylder fixes that.
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Merge tag 'regmap-fix-v6.10-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regmap

Pull regmap fix from Mark Brown:
 "The I2C bus was not taking account of the register and any padding
  bytes when handling maximum write sizes supported by an I2C adaptor,
  this patch from Jim Wylder fixes that"

* tag 'regmap-fix-v6.10-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regmap:
  regmap-i2c: Subtract reg size from max_write
 2024-05-31 16:09:27 -07:00
Linus Torvalds
0f9a75179d block-6.10-20240530 
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Merge tag 'block-6.10-20240530' of git://git.kernel.dk/linux

Pull block fixes from Jens Axboe:

 - NVMe fixes via Keith:
      - Removing unused fields (Kanchan)
      - Large folio offsets support (Kundan)
      - Multipath NUMA node initialiazation fix (Nilay)
      - Multipath IO stats accounting fixes (Keith)
      - Circular lockdep fix (Keith)
      - Target race condition fix (Sagi)
      - Target memory leak fix (Sagi)

 - bcache fixes

 - null_blk fixes (Damien)

 - Fix regression in io.max due to throttle low removal (Waiman)

 - DM limit table fixes (Christoph)

 - SCSI and block limit fixes (Christoph)

 - zone fixes (Damien)

 - Misc fixes (Christoph, Hannes, hexue)

* tag 'block-6.10-20240530' of git://git.kernel.dk/linux: (25 commits)
  blk-throttle: Fix incorrect display of io.max
  block: Fix zone write plugging handling of devices with a runt zone
  block: Fix validation of zoned device with a runt zone
  null_blk: Do not allow runt zone with zone capacity smaller then zone size
  nvmet: fix a possible leak when destroy a ctrl during qp establishment
  nvme: use srcu for iterating namespace list
  bcache: code cleanup in __bch_bucket_alloc_set()
  bcache: call force_wake_up_gc() if necessary in check_should_bypass()
  bcache: allow allocator to invalidate bucket in gc
  block: check for max_hw_sectors underflow
  block: stack max_user_sectors
  sd: also set max_user_sectors when setting max_sectors
  null_blk: Print correct max open zones limit in null_init_zoned_dev()
  block: delete redundant function declaration
  null_blk: Fix return value of nullb_device_power_store()
  dm: make dm_set_zones_restrictions work on the queue limits
  dm: remove dm_check_zoned
  dm: move setting zoned_enabled to dm_table_set_restrictions
  block: remove blk_queue_max_integrity_segments
  nvme: adjust multiples of NVME_CTRL_PAGE_SIZE in offset
  ...
 2024-05-31 15:31:27 -07:00
Linus Torvalds
6d541d6672 io_uring-6.10-20240530 
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Merge tag 'io_uring-6.10-20240530' of git://git.kernel.dk/linux

Pull io_uring fixes from Jens Axboe:
 "A couple of minor fixes for issues introduced in the 6.10 merge window:

   - Ensure that all read/write ops have an appropriate cleanup handler
     set (Breno)

   - Regression for applications still doing multiple mmaps even if
     FEAT_SINGLE_MMAP is set (me)

   - Move kmsg inquiry setting above any potential failure point,
     avoiding a spurious NONEMPTY flag setting on early error (me)"

* tag 'io_uring-6.10-20240530' of git://git.kernel.dk/linux:
  io_uring/net: assign kmsg inq/flags before buffer selection
  io_uring/rw: Free iovec before cleaning async data
  io_uring: don't attempt to mmap larger than what the user asks for
 2024-05-31 15:22:58 -07:00
Kees Cook
99a6087dfd kunit/fortify: Remove __kmalloc_node() test 
__kmalloc_node() is considered an "internal" function to the Slab, so
drop it from explicit testing.

Link: https://lore.kernel.org/r/20240531185703.work.588-kees@kernel.org
Signed-off-by: Kees Cook <kees@kernel.org>
 2024-05-31 13:47:41 -07:00
Linus Torvalds
b050496579 dma-mapping fixes for Linux 6.10 
- dma-mapping benchmark error handling fixes (Fedor Pchelkin)
  - correct a config symbol reference in the DMA API documentation
    (Lukas Bulwahn)
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Merge tag 'dma-mapping-6.10-2024-05-31' of git://git.infradead.org/users/hch/dma-mapping

Pull dma-mapping fixes from Christoph Hellwig:

 - dma-mapping benchmark error handling fixes (Fedor Pchelkin)

 - correct a config symbol reference in the DMA API documentation (Lukas
   Bulwahn)

* tag 'dma-mapping-6.10-2024-05-31' of git://git.infradead.org/users/hch/dma-mapping:
  Documentation/core-api: correct reference to SWIOTLB_DYNAMIC
  dma-mapping: benchmark: handle NUMA_NO_NODE correctly
  dma-mapping: benchmark: fix node id validation
  dma-mapping: benchmark: avoid needless copy_to_user if benchmark fails
  dma-mapping: benchmark: fix up kthread-related error handling
 2024-05-31 12:14:55 -07:00
Linus Torvalds
7d88cc8ecc sound fixes for 6.10-rc2 
Lots of small fixes.
 
 - A race fix for debugfs handling in ALSA core
 - A series of corrections for MIDI2 core format conversions
 - ASoC Intel fixes for 16 bit DMIC config
 - Updates for missing module parameters in ASoC code
 - HD-audio quirk, Cirrus codec fix, etc minor fixes
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Merge tag 'sound-6.10-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound

Pull sound fixes from Takashi Iwai:
 "Lots of small fixes:

   - A race fix for debugfs handling in ALSA core

   - A series of corrections for MIDI2 core format conversions

   - ASoC Intel fixes for 16 bit DMIC config

   - Updates for missing module parameters in ASoC code

   - HD-audio quirk, Cirrus codec fix, etc minor fixes"

* tag 'sound-6.10-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: (26 commits)
  ALSA: seq: ump: Fix swapped song position pointer data
  ASoC: SOF: ipc4-topology: Adjust the params based on DAI formats
  ASoC: SOF: ipc4-topology: Improve readability of sof_ipc4_prepare_dai_copier()
  ASoC: SOF: ipc4-topology/pcm: Rename sof_ipc4_copier_is_single_format()
  ASoC: SOF: ipc4-topology: Print out the channel count in sof_ipc4_dbg_audio_format
  ASoC: SOF: ipc4-topology: Add support for NHLT with 16-bit only DMIC blob
  ALSA: seq: Fix yet another spot for system message conversion
  ALSA: ump: Set default protocol when not given explicitly
  ALSA: ump: Don't accept an invalid UMP protocol number
  ASoC: SOF: ipc4-topology: Fix input format query of process modules without base extension
  ASoC: Intel: sof-sdw: fix missing SPI_MASTER dependency
  ALSA: pcm: fix typo in comment
  ALSA: ump: Don't clear bank selection after sending a program change
  ALSA: seq: Fix incorrect UMP type for system messages
  ALSA/hda: intel-dsp-config: reduce log verbosity
  ALSA: seq: Don't clear bank selection at event -> UMP MIDI2 conversion
  ALSA: seq: Fix missing bank setup between MIDI1/MIDI2 UMP conversion
  ASoC: SOF: add missing MODULE_DESCRIPTION()
  ASoC: SOF: reorder MODULE_ definitions
  ASoC: SOF: AMD: group all module related information
  ...
 2024-05-31 12:11:44 -07:00
Linus Torvalds
87895a6402 platform-drivers-x86 for v6.10-2 
Highlights:
  -  A use-after-free bugfix
  -  2 Kconfig fixes for randconfig builds
  -  Allow setting touchscreen_dmi quirks from the cmdline for debugging
  -  touchscreen_dmi quirks for 2 new laptop/tablet models
 
 The following is an automated git shortlog grouped by driver:
 
 ISST:
  -  fix use-after-free in tpmi_sst_dev_remove()
 
 thinkpad_acpi:
  -  Select INPUT_SPARSEKMAP in Kconfig
 
 touchscreen_dmi:
  -  Add info for the EZpad 6s Pro
  -  Add info for GlobalSpace SolT IVW 11.6" tablet
  -  Add support for setting touchscreen properties from cmdline
 
 x86-android-tablets:
  -  Add "select LEDS_CLASS"
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Merge tag 'platform-drivers-x86-v6.10-2' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86

Pull x86 platform driver fixes from Hans de Goede:

 - a use-after-free bugfix

 - Kconfig fixes for randconfig builds

 - allow setting touchscreen_dmi quirks from the cmdline for debugging

 - touchscreen_dmi quirks for two new laptop/tablet models

* tag 'platform-drivers-x86-v6.10-2' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86:
  platform/x86: touchscreen_dmi: Add info for the EZpad 6s Pro
  platform/x86: touchscreen_dmi: Add info for GlobalSpace SolT IVW 11.6" tablet
  platform/x86: touchscreen_dmi: Add support for setting touchscreen properties from cmdline
  platform/x86: thinkpad_acpi: Select INPUT_SPARSEKMAP in Kconfig
  platform/x86: x86-android-tablets: Add "select LEDS_CLASS"
  platform/x86: ISST: fix use-after-free in tpmi_sst_dev_remove()
 2024-05-31 12:03:28 -07:00
Linus Torvalds
c6cc9799b4 RISC-V Fixes for 6.10-rc2 
* A fix to avoid pt_regs aliasing with idle thread stacks on secondary
   harts.
 * HAVE_ARCH_HUGE_VMAP is enabled on XIP kernels, which fixes boot issues
   on XIP systems with huge pages.
 * An update to the uABI documentation clarifying that only scalar
   misaligned accesses were grandfathered in as supported, as the vector
   extension did not exist at the time the uABI was frozen.
 * A fix for the recently-added byte/half atomics to avoid losing the
   fully ordered decorations.
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Merge tag 'riscv-for-linus-6.10-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux

Pull RISC-V fixes from Palmer Dabbelt:

 - A fix to avoid pt_regs aliasing with idle thread stacks on secondary
   harts.

 - HAVE_ARCH_HUGE_VMAP is enabled on XIP kernels, which fixes boot
   issues on XIP systems with huge pages.

 - An update to the uABI documentation clarifying that only scalar
   misaligned accesses were grandfathered in as supported, as the vector
   extension did not exist at the time the uABI was frozen.

 - A fix for the recently-added byte/half atomics to avoid losing the
   fully ordered decorations.

* tag 'riscv-for-linus-6.10-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux:
  riscv: Fix fully ordered LR/SC xchg[8|16]() implementations
  Documentation: RISC-V: uabi: Only scalar misaligned loads are supported
  riscv: enable HAVE_ARCH_HUGE_VMAP for XIP kernel
  riscv: prevent pt_regs corruption for secondary idle threads
 2024-05-31 11:52:06 -07:00
Linus Torvalds
ff9bce3d06 bcachefs fixes for 6.10-rc2 
- two downgrade fixes
 - a couple snapshot deletion and repair fixes, thanks to noradtux for
   finding these and providing the image to debug them
 - a couple assert fixes
 - convert to folio helper, from Matthew
 - some improved error messages
 - bit of code reorganization (just moving things around); doing this
   while things are quiet so I'm not rebasing fixes past reorgs
 - don't return -EROFS on inconsistency error in recovery, this confuses
   util-linux and has it retry the mount
 - fix failure to return error on misaligned dio write; reported as an
   issue with coreutils shred
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Merge tag 'bcachefs-2024-05-30' of https://evilpiepirate.org/git/bcachefs

Pull bcachefs fixes from Kent Overstreet:
 "Assorted odds and ends...

   - two downgrade fixes

   - a couple snapshot deletion and repair fixes, thanks to noradtux for
     finding these and providing the image to debug them

   - a couple assert fixes

   - convert to folio helper, from Matthew

   - some improved error messages

   - bit of code reorganization (just moving things around); doing this
     while things are quiet so I'm not rebasing fixes past reorgs

   - don't return -EROFS on inconsistency error in recovery, this
     confuses util-linux and has it retry the mount

   - fix failure to return error on misaligned dio write; reported as an
     issue with coreutils shred"

* tag 'bcachefs-2024-05-30' of https://evilpiepirate.org/git/bcachefs: (21 commits)
  bcachefs: Fix failure to return error on misaligned dio write
  bcachefs: Don't return -EROFS from mount on inconsistency error
  bcachefs: Fix uninitialized var warning
  bcachefs: Split out sb-errors_format.h
  bcachefs: Split out journal_seq_blacklist_format.h
  bcachefs: Split out replicas_format.h
  bcachefs: Split out disk_groups_format.h
  bcachefs: split out sb-downgrade_format.h
  bcachefs: split out sb-members_format.h
  bcachefs: Better fsck error message for key version
  bcachefs: btree_gc can now handle unknown btrees
  bcachefs: add missing MODULE_DESCRIPTION()
  bcachefs: Fix setting of downgrade recovery passes/errors
  bcachefs: Run check_key_has_snapshot in snapshot_delete_keys()
  bcachefs: Refactor delete_dead_snapshots()
  bcachefs: Fix locking assert
  bcachefs: Fix lookup_first_inode() when inode_generations are present
  bcachefs: Plumb bkey into __btree_err()
  bcachefs: Use copy_folio_from_iter_atomic()
  bcachefs: Fix sb-downgrade validation
  ...
 2024-05-31 11:45:41 -07:00
Thomas Gleixner
0c2f6d0461 x86/topology/intel: Unlock CPUID before evaluating anything 
Intel CPUs have a MSR bit to limit CPUID enumeration to leaf two. If
this bit is set by the BIOS then CPUID evaluation including topology
enumeration does not work correctly as the evaluation code does not try
to analyze any leaf greater than two.

This went unnoticed before because the original topology code just
repeated evaluation several times and managed to overwrite the initial
limited information with the correct one later. The new evaluation code
does it once and therefore ends up with the limited and wrong
information.

Cure this by unlocking CPUID right before evaluating anything which
depends on the maximum CPUID leaf being greater than two instead of
rereading stuff after unlock.

Fixes: 22d63660c3 ("x86/cpu: Use common topology code for Intel")
Reported-by: Peter Schneider <pschneider1968@googlemail.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de>
Tested-by: Peter Schneider <pschneider1968@googlemail.com>
Cc: <stable@kernel.org>
Link: https://lore.kernel.org/r/fd3f73dc-a86f-4bcf-9c60-43556a21eb42@googlemail.com
 2024-05-31 20:25:56 +02:00
Arnd Bergmann
d551ce15d0 mailbox: zynqmp-ipi: drop irq_to_desc() call 
irq_to_desc() is not exported to loadable modules, so this driver now
fails to link in some configurations:

ERROR: modpost: "irq_to_desc" [drivers/mailbox/zynqmp-ipi-mailbox.ko] undefined!

I can't see a purpose for this call, since the return value is unused
and probably left over from some code refactoring.

Address the link failure by just removing the line.

Fixes: 6ffb163534 ("mailbox: zynqmp: handle SGI for shared IPI")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Tested-by: Tanmay Shah <tanmay.shah@amd.com>
Signed-off-by: Jassi Brar <jassisinghbrar@gmail.com>
 2024-05-31 12:39:15 -05:00
Kees Cook
4e173c825b mailmap: update entry for Kees Cook 
I'm tired of gmail breaking DKIM. Switch everything over to my
@kernel.org alias instead.

Signed-off-by: Kees Cook <kees@kernel.org>
 2024-05-31 08:58:36 -07:00
Kees Cook
adb77bba9c scsi: mpt3sas: Avoid possible run-time warning with long manufacturer strings 
The prior strscpy() replacement of strncpy() here expected the
manufacture_reply strings to be NUL-terminated, but it is possible
they are not, as the code pattern here shows, e.g., edev->vendor_id
being exactly 1 character larger than manufacture_reply->vendor_id,
and the replaced strncpy() was copying only up to the size of the
source character array. Replace this with memtostr(), which is the
unambiguous way to convert a maybe not-NUL-terminated character array
into a NUL-terminated string.

Fixes: b7e9712a02 ("scsi: mpt3sas: Replace deprecated strncpy() with strscpy()")
Signed-off-by: Kees Cook <keescook@chromium.org>
Tested-by: Marco Patalano <mpatalan@redhat.com>
Reviewed-by: Ewan D. Milne <emilne@redhat.com>
Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com>
Link: https://lore.kernel.org/r/20240410023155.2100422-3-keescook@chromium.org
Signed-off-by: Kees Cook <kees@kernel.org>
 2024-05-31 08:58:20 -07:00
Steve French
518549c120 cifs: fix creating sockets when using sfu mount options 
When running fstest generic/423 with sfu mount option, it
was being skipped due to inability to create sockets:

  generic/423  [not run] cifs does not support mknod/mkfifo

which can also be easily reproduced with their af_unix tool:

  ./src/af_unix /mnt1/socket-two bind: Operation not permitted

Fix sfu mount option to allow creating and reporting sockets.

Cc: stable@vger.kernel.org
Signed-off-by: Steve French <stfrench@microsoft.com>
 2024-05-31 10:55:15 -05:00
Mickaël Salaün
0055f53aac
 		selftests/landlock: Add layout1.refer_mount_root 
Add tests to check error codes when linking or renaming a mount root
directory.  This previously triggered a kernel warning, but it is fixed
with the previous commit.

Cc: Günther Noack <gnoack@google.com>
Cc: Paul Moore <paul@paul-moore.com>
Link: https://lore.kernel.org/r/20240516181935.1645983-3-mic@digikod.net
Signed-off-by: Mickaël Salaün <mic@digikod.net>
 2024-05-31 16:41:54 +02:00
Mickaël Salaün
88da52ccd6
 		landlock: Fix d_parent walk 
The WARN_ON_ONCE() in collect_domain_accesses() can be triggered when
trying to link a root mount point.  This cannot work in practice because
this directory is mounted, but the VFS check is done after the call to
security_path_link().

Do not use source directory's d_parent when the source directory is the
mount point.

Cc: Günther Noack <gnoack@google.com>
Cc: Paul Moore <paul@paul-moore.com>
Cc: stable@vger.kernel.org
Reported-by: syzbot+bf4903dc7e12b18ebc87@syzkaller.appspotmail.com
Fixes: b91c3e4ea7 ("landlock: Add support for file reparenting with LANDLOCK_ACCESS_FS_REFER")
Closes: https://lore.kernel.org/r/000000000000553d3f0618198200@google.com
Link: https://lore.kernel.org/r/20240516181935.1645983-2-mic@digikod.net
[mic: Fix commit message]
Signed-off-by: Mickaël Salaün <mic@digikod.net>
 2024-05-31 16:41:52 +02:00
Niklas Cassel
3cb648c4dd ata: libata-core: Add ATA_HORKAGE_NOLPM for Apacer AS340 
Commit 7627a0edef ("ata: ahci: Drop low power policy board type")
dropped the board_ahci_low_power board type, and instead enables LPM if:
-The AHCI controller reports that it supports LPM (Partial/Slumber), and
-CONFIG_SATA_MOBILE_LPM_POLICY != 0, and
-The port is not defined as external in the per port PxCMD register, and
-The port is not defined as hotplug capable in the per port PxCMD
 register.

Partial and Slumber LPM states can either be initiated by HIPM or DIPM.

For HIPM (host initiated power management) to get enabled, both the AHCI
controller and the drive have to report that they support HIPM.

For DIPM (device initiated power management) to get enabled, only the
drive has to report that it supports DIPM. However, the HBA will reject
device requests to enter LPM states which the HBA does not support.

The problem is that Apacer AS340 drives do not handle low power modes
correctly. The problem was most likely not seen before because no one
had used this drive with a AHCI controller with LPM enabled.

Add a quirk so that we do not enable LPM for this drive, since we see
command timeouts if we do (even though the drive claims to support DIPM).

Fixes: 7627a0edef ("ata: ahci: Drop low power policy board type")
Cc: stable@vger.kernel.org
Reported-by: Tim Teichmann <teichmanntim@outlook.de>
Closes: https://lore.kernel.org/linux-ide/87bk4pbve8.ffs@tglx/
Reviewed-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Reviewed-by: Damien Le Moal <dlemoal@kernel.org>
Signed-off-by: Niklas Cassel <cassel@kernel.org>
 2024-05-31 15:14:06 +02:00
Niklas Cassel
4738803693 ata: libata-core: Add ATA_HORKAGE_NOLPM for AMD Radeon S3 SSD 
Commit 7627a0edef ("ata: ahci: Drop low power policy board type")
dropped the board_ahci_low_power board type, and instead enables LPM if:
-The AHCI controller reports that it supports LPM (Partial/Slumber), and
-CONFIG_SATA_MOBILE_LPM_POLICY != 0, and
-The port is not defined as external in the per port PxCMD register, and
-The port is not defined as hotplug capable in the per port PxCMD
 register.

Partial and Slumber LPM states can either be initiated by HIPM or DIPM.

For HIPM (host initiated power management) to get enabled, both the AHCI
controller and the drive have to report that they support HIPM.

For DIPM (device initiated power management) to get enabled, only the
drive has to report that it supports DIPM. However, the HBA will reject
device requests to enter LPM states which the HBA does not support.

The problem is that AMD Radeon S3 SSD drives do not handle low power modes
correctly. The problem was most likely not seen before because no one
had used this drive with a AHCI controller with LPM enabled.

Add a quirk so that we do not enable LPM for this drive, since we see
command timeouts if we do (even though the drive claims to support both
HIPM and DIPM).

Fixes: 7627a0edef ("ata: ahci: Drop low power policy board type")
Cc: stable@vger.kernel.org
Reported-by: Doru Iorgulescu <doru.iorgulescu1@gmail.com>
Closes: https://bugzilla.kernel.org/show_bug.cgi?id=218832
Reviewed-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Reviewed-by: Damien Le Moal <dlemoal@kernel.org>
Signed-off-by: Niklas Cassel <cassel@kernel.org>
 2024-05-31 15:11:51 +02:00
Niklas Cassel
86aaa7e9d6 ata: libata-core: Add ATA_HORKAGE_NOLPM for Crucial CT240BX500SSD1 
Commit 7627a0edef ("ata: ahci: Drop low power policy board type")
dropped the board_ahci_low_power board type, and instead enables LPM if:
-The AHCI controller reports that it supports LPM (Partial/Slumber), and
-CONFIG_SATA_MOBILE_LPM_POLICY != 0, and
-The port is not defined as external in the per port PxCMD register, and
-The port is not defined as hotplug capable in the per port PxCMD
 register.

Partial and Slumber LPM states can either be initiated by HIPM or DIPM.

For HIPM (host initiated power management) to get enabled, both the AHCI
controller and the drive have to report that they support HIPM.

For DIPM (device initiated power management) to get enabled, only the
drive has to report that it supports DIPM. However, the HBA will reject
device requests to enter LPM states which the HBA does not support.

The problem is that Crucial CT240BX500SSD1 drives do not handle low power
modes correctly. The problem was most likely not seen before because no
one had used this drive with a AHCI controller with LPM enabled.

Add a quirk so that we do not enable LPM for this drive, since we see
command timeouts if we do (even though the drive claims to support DIPM).

Fixes: 7627a0edef ("ata: ahci: Drop low power policy board type")
Cc: stable@vger.kernel.org
Reported-by: Aarrayy <lp610mh@gmail.com>
Closes: https://bugzilla.kernel.org/show_bug.cgi?id=218832
Reviewed-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Reviewed-by: Damien Le Moal <dlemoal@kernel.org>
Signed-off-by: Niklas Cassel <cassel@kernel.org>
 2024-05-31 15:10:41 +02:00
Phil Auld
d40605a682 sched/x86: Export 'percpu arch_freq_scale' 
Commit:

  7bc263840b ("sched/topology: Consolidate and clean up access to a CPU's max compute capacity")

removed rq->cpu_capacity_orig in favor of using arch_scale_freq_capacity()
calls. Export the underlying percpu symbol on x86 so that external trace
point helper modules can be made to work again.

Signed-off-by: Phil Auld <pauld@redhat.com>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: https://lore.kernel.org/r/20240530181548.2039216-1-pauld@redhat.com
 2024-05-31 11:48:42 +02:00
Jeff Johnson
dc8e5dfb52 perf/x86/intel: Add missing MODULE_DESCRIPTION() lines 
Fix the 'make W=1 C=1' warnings:

  WARNING: modpost: missing MODULE_DESCRIPTION() in arch/x86/events/intel/intel-uncore.o
  WARNING: modpost: missing MODULE_DESCRIPTION() in arch/x86/events/intel/intel-cstate.o

Signed-off-by: Jeff Johnson <quic_jjohnson@quicinc.com>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Arnaldo Carvalho de Melo <acme@kernel.org>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Link: https://lore.kernel.org/r/20240530-md-arch-x86-events-intel-v1-1-8252194ed20a@quicinc.com
 2024-05-31 11:41:15 +02:00
Jeff Johnson
0a44078f2b perf/x86/rapl: Add missing MODULE_DESCRIPTION() line 
Fix the warning from 'make C=1 W=1':

  WARNING: modpost: missing MODULE_DESCRIPTION() in arch/x86/events/rapl.o

Signed-off-by: Jeff Johnson <quic_jjohnson@quicinc.com>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Arnaldo Carvalho de Melo <acme@kernel.org>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Link: https://lore.kernel.org/r/20240530-md-arch-x86-events-v1-1-e45ffa8af99f@quicinc.com
 2024-05-31 11:41:04 +02:00