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fprobe

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    Linus Torvalds authored
    Pull tracing fixes from Steven Rostedt:
     "Fixes and minor clean ups for tracing:
    
       - Fix memory leak by reverting what was thought to be a double free.
    
         A static tool had gave a false positive that a double free was
         possible in the error path, but it was actually a different
         location that confused the static analyzer (and those of us that
         reviewed it).
    
       - Move use of static buffers by ftrace_dump() to a location that can
         be used by kgdb's ftdump(), as it needs it for the same reasons.
    
       - Clarify in the Kconfig description that function tracing has
         negligible impact on x86, but may have a bit bigger impact on other
         architectures.
    
       - Remove unnecessary extra semicolon in trace event.
    
       - Make a local variable static that is used in the fprobes sample
    
       - Use KSYM_NAME_LEN for length of function in kprobe sample and get
         rid of unneeded macro for the same purpose"
    
    * tag 'trace-v5.19-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace:
      samples: Use KSYM_NAME_LEN for kprobes
      fprobe/samples: Make sample_probe static
      blk-iocost: tracing: atomic64_read(&ioc->vtime_rate) is assigned an extra semicolon
      ftrace: Be more specific about arch impact when function tracer is enabled
      tracing: Fix sleeping while atomic in kdb ftdump
      tracing/histograms: Fix memory leak problem
    b047602d
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