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Diffstat (limited to 'Documentation/RCU/whatisRCU.txt')
| -rw-r--r-- | Documentation/RCU/whatisRCU.txt | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/Documentation/RCU/whatisRCU.txt b/Documentation/RCU/whatisRCU.txt index c2a7facf7ff9..86d82f7f3500 100644 --- a/Documentation/RCU/whatisRCU.txt +++ b/Documentation/RCU/whatisRCU.txt @@ -934,7 +934,8 @@ c. Do you need to treat NMI handlers, hardirq handlers, d. Do you need RCU grace periods to complete even in the face of softirq monopolization of one or more of the CPUs? For example, is your code subject to network-based denial-of-service - attacks? If so, you need RCU-bh. + attacks? If so, you should disable softirq across your readers, + for example, by using rcu_read_lock_bh(). e. Is your workload too update-intensive for normal use of RCU, but inappropriate for other synchronization mechanisms? |