rcu-tasks: Add IPI failure count to statistics
authorPaul E. McKenney <paulmck@kernel.org>
Wed, 25 Mar 2020 21:36:05 +0000 (14:36 -0700)
committerPaul E. McKenney <paulmck@kernel.org>
Mon, 27 Apr 2020 18:03:53 +0000 (11:03 -0700)
commit7e0669c3e9dec367ecb63062898c70c1c596b749
tree571199f000f190a0086ff9002638be10f70c2eea
parent039f3cc93aa07a90ad5df95d7820b67b0689126d
rcu-tasks: Add IPI failure count to statistics

This commit adds a failure-return count for smp_call_function_single(),
and adds this to the console messages for rcutorture writer stalls and at
the end of rcutorture testing.

Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
kernel/rcu/tasks.h