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| author | Paul E. McKenney <paulmck@linux.vnet.ibm.com> | 2016-03-31 20:00:08 +0200 |
|---|---|---|
| committer | Paul E. McKenney <paulmck@linux.vnet.ibm.com> | 2016-03-31 22:33:23 +0200 |
| commit | 0c7d10e4b998b2f751cebf98435f1ec2dd312c87 (patch) | |
| tree | 9b488381e266ee5eac0ddc62fd4b805913c4196f /init | |
| parent | documentation: Sharpen up the no-readers quick quiz (diff) | |
| download | linux-0c7d10e4b998b2f751cebf98435f1ec2dd312c87.tar.xz linux-0c7d10e4b998b2f751cebf98435f1ec2dd312c87.zip | |
documentation: Emphasize the call_rcu() is illegal from idle
Although call_rcu()'s fastpath works just fine on an idle CPU,
some branches of the slowpath invoke the scheduler, which uses
RCU. Therefore, this commit emphasizes the fact that call_rcu()
must not be invoked from an idle CPU.
Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Diffstat (limited to 'init')
0 files changed, 0 insertions, 0 deletions