The rcu_normal_after_boot=1 kernel parameter (which is enabled by default on CONFIG_PREEMPT_RT kernels) avoids the use of IPIs to expedite the runtime of synchronize_rcu_expedited() callers. Enable this in tuned to avoid such IPIs on !CONFIG_PREEMPT_RT kernels as well. Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com> |
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| tuned.conf | ||