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    Merge tag 'trace-v5.4' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace · 45979a95
    Linus Torvalds authored
    Pull tracing updates from Steven Rostedt:
    
     - Addition of multiprobes to kprobe and uprobe events (allows for more
       than one probe attached to the same location)
    
     - Addition of adding immediates to probe parameters
    
     - Clean up of the recordmcount.c code. This brings us closer to merging
       recordmcount into objtool, and reuse code.
    
     - Other small clean ups
    
    * tag 'trace-v5.4' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace: (33 commits)
      selftests/ftrace: Update kprobe event error testcase
      tracing/probe: Reject exactly same probe event
      tracing/probe: Fix to allow user to enable events on unloaded modules
      selftests/ftrace: Select an existing function in kprobe_eventname test
      tracing/kprobe: Fix NULL pointer access in trace_porbe_unlink()
      tracing: Make sure variable reference alias has correct var_ref_idx
      tracing: Be more clever when dumping hex in __print_hex()
      ftrace: Simplify ftrace hash lookup code in clear_func_from_hash()
      tracing: Add "gfp_t" support in synthetic_events
      tracing: Rename tracing_reset() to tracing_reset_cpu()
      tracing: Document the stack trace algorithm in the comments
      tracing/arm64: Have max stack tracer handle the case of return address after data
      recordmcount: Clarify what cleanup() does
      recordmcount: Remove redundant cleanup() calls
      recordmcount: Kernel style formatting
      recordmcount: Kernel style function signature formatting
      recordmcount: Rewrite error/success handling
      selftests/ftrace: Add syntax error test for multiprobe
      selftests/ftrace: Add syntax error test for immediates
      selftests/ftrace: Add a testcase for kprobe multiprobe event
      ...
    45979a95