linux-kernel - [for-next][PATCH 00/18] tracing: Updatse for 5.9

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Date:   Thu, 02 Jul 2020 17:58:12 -0400
From:   Steven Rostedt <rostedt@...dmis.org>
To:     linux-kernel@...r.kernel.org
Cc:     Ingo Molnar <mingo@...nel.org>,
        Andrew Morton <akpm@...ux-foundation.org>
Subject: [for-next][PATCH 00/18] tracing: Updatse for 5.9

  git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace.git
for-next

Head SHA1: 29ce24519c0692ca7d998d7444a9e016a4c44fa7


Nicholas Piggin (1):
      ring-buffer: speed up buffer resets by avoiding synchronize_rcu for each CPU

Steven Rostedt (VMware) (13):
      tracing: Only allow trace_array_printk() to be used by instances
      x86/ftrace: Make non direct case the default in ftrace_regs_caller
      x86/ftrace: Only have the builtin ftrace_regs_caller call direct hooks
      x86/ftrace: Do not jump to direct code in created trampolines
      tracing: Move pipe reference to trace array instead of current_tracer
      ring-buffer: Have nested events still record running time stamp
      ring-buffer: Incorporate absolute timestamp into add_timestamp logic
      ring-buffer: Add rb_time_t 64 bit operations for speeding up 32 bit
      ring-buffer: Mark the !tail (crossing a page) as unlikely
      ring-buffer: Consolidate add_timestamp to remove some branches
      ring-buffer: Move the add_timestamp into its own function
      ring-buffer: Call trace_clock_local() directly for RETPOLINE kernels
      ring-buffer: Do not trigger a WARN if clock going backwards is detected

Wei Yang (4):
      tracing: not necessary to undefine DEFINE_EVENT again
      tracing: not necessary re-define DEFINE_EVENT_PRINT
      tracing: define DEFINE_EVENT_PRINT not related to DEFINE_EVENT
      tracing: not necessary to define DEFINE_EVENT_PRINT to be empty again

----
 arch/x86/kernel/ftrace.c     |  14 +-
 arch/x86/kernel/ftrace_64.S  |  29 +-
 include/linux/ring_buffer.h  |   1 +
 include/trace/trace_events.h |  19 +-
 kernel/trace/ftrace.c        |   8 +
 kernel/trace/ring_buffer.c   | 694 ++++++++++++++++++++++++++++++++++---------
 kernel/trace/trace.c         |  26 +-
 kernel/trace/trace.h         |   2 +-
 8 files changed, 600 insertions(+), 193 deletions(-)