• Linus Torvalds's avatar
    Merge tag 'trace-v5.2' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace · d2d8b146
    Linus Torvalds authored
    Pull tracing updates from Steven Rostedt:
     "The major changes in this tracing update includes:
    
       - Removal of non-DYNAMIC_FTRACE from 32bit x86
    
       - Removal of mcount support from x86
    
       - Emulating a call from int3 on x86_64, fixes live kernel patching
    
       - Consolidated Tracing Error logs file
    
      Minor updates:
    
       - Removal of klp_check_compiler_support()
    
       - kdb ftrace dumping output changes
    
       - Accessing and creating ftrace instances from inside the kernel
    
       - Clean up of #define if macro
    
       - Introduction of TRACE_EVENT_NOP() to disable trace events based on
         config options
    
      And other minor fixes and clean ups"
    
    * tag 'trace-v5.2' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace: (44 commits)
      x86: Hide the int3_emulate_call/jmp functions from UML
      livepatch: Remove klp_check_compiler_support()
      ftrace/x86: Remove mcount support
      ftrace/x86_32: Remove support for non DYNAMIC_FTRACE
      tracing: Simplify "if" macro code
      tracing: Fix documentation about disabling options using trace_options
      tracing: Replace kzalloc with kcalloc
      tracing: Fix partial reading of trace event's id file
      tracing: Allow RCU to run between postponed startup tests
      tracing: Fix white space issues in parse_pred() function
      tracing: Eliminate const char[] auto variables
      ring-buffer: Fix mispelling of Calculate
      tracing: probeevent: Fix to make the type of $comm string
      tracing: probeevent: Do not accumulate on ret variable
      tracing: uprobes: Re-enable $comm support for uprobe events
      ftrace/x86_64: Emulate call function while updating in breakpoint handler
      x86_64: Allow breakpoints to emulate call instructions
      x86_64: Add gap to int3 to allow for call emulation
      tracing: kdb: Allow ftdump to skip all but the last few entries
      tracing: Add trace_total_entries() / trace_total_entries_cpu()
      ...
    d2d8b146
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