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| author |   Paul E. McKenney <paulmck@kernel.org> | 2020-04-03 12:10:28 -0700 |
|---|---|---|
| committer | Paul E. McKenney <paulmck@kernel.org> | 2020-04-27 11:03:53 -0700 |
| commit | e5a971d76d701dbff9e5dbaa84dc9e8c3081a867 (patch) | |
| tree | 90c379f06273b82cee257aab6ac20848e3a45e62 /kernel/trace/Kconfig | |
| parent | rcu-tasks: Allow standalone use of TASKS_{TRACE_,}RCU (diff) | |
| download | linux-dev-e5a971d76d701dbff9e5dbaa84dc9e8c3081a867.tar.xz linux-dev-e5a971d76d701dbff9e5dbaa84dc9e8c3081a867.zip | |
ftrace: Use synchronize_rcu_tasks_rude() instead of ftrace_sync()
This commit replaces the schedule_on_each_cpu(ftrace_sync) instances
with synchronize_rcu_tasks_rude().
Suggested-by: Steven Rostedt <rostedt@goodmis.org>
Cc: Ingo Molnar <mingo@redhat.com>
[ paulmck: Make Kconfig adjustments noted by kbuild test robot. ]
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
Diffstat (limited to 'kernel/trace/Kconfig')
| -rw-r--r-- | kernel/trace/Kconfig | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/kernel/trace/Kconfig b/kernel/trace/Kconfig index 402eef84c859..ae69010d521a 100644 --- a/kernel/trace/Kconfig +++ b/kernel/trace/Kconfig @@ -158,6 +158,7 @@ config FUNCTION_TRACER select CONTEXT_SWITCH_TRACER select GLOB select TASKS_RCU if PREEMPTION + select TASKS_RUDE_RCU help Enable the kernel to trace every kernel function. This is done by using a compiler feature to insert a small, 5-byte No-Operation |