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author | Paul E. McKenney <paulmck@linux.vnet.ibm.com> | 2018-01-31 19:40:22 -0800 |
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committer | Paul E. McKenney <paulmck@linux.vnet.ibm.com> | 2018-02-20 16:12:28 -0800 |
commit | 7f5d42d05155523a4c42c2c5170f2a368217aed5 (patch) | |
tree | 622ba4ed926c9ec62fb2b40a0063db2b0050c7c7 /kernel/rcu/rcu.h | |
parent | 9a414201ae7ea089699a0cbd36533345ca17233b (diff) | |
download | lwn-7f5d42d05155523a4c42c2c5170f2a368217aed5.tar.gz lwn-7f5d42d05155523a4c42c2c5170f2a368217aed5.zip |
rcu: Trace expedited GP delays due to transitioning CPUs
If a CPU is transitioning to or from offline state, an expedited
grace period may undergo a timed wait. This timed wait can unduly
delay grace periods, so this commit adds a trace statement to make
it visible.
Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Diffstat (limited to 'kernel/rcu/rcu.h')
0 files changed, 0 insertions, 0 deletions