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author | Paul E. McKenney <paulmck@linux.vnet.ibm.com> | 2016-03-31 21:00:08 +0300 |
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committer | Paul E. McKenney <paulmck@linux.vnet.ibm.com> | 2016-03-31 23:33:23 +0300 |
commit | 0c7d10e4b998b2f751cebf98435f1ec2dd312c87 (patch) | |
tree | 9b488381e266ee5eac0ddc62fd4b805913c4196f /lib/locking-selftest-rlock-softirq.h | |
parent | 5413e24c943da33306047fc091fa34fa4f261b3b (diff) | |
download | linux-0c7d10e4b998b2f751cebf98435f1ec2dd312c87.tar.xz |
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 'lib/locking-selftest-rlock-softirq.h')
0 files changed, 0 insertions, 0 deletions