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Diffstat (limited to 'Documentation/RCU/checklist.txt')
| -rw-r--r-- | Documentation/RCU/checklist.txt | 6 |
1 files changed, 0 insertions, 6 deletions
diff --git a/Documentation/RCU/checklist.txt b/Documentation/RCU/checklist.txt index 79e789b8b8ea..7703ec73a9bb 100644 --- a/Documentation/RCU/checklist.txt +++ b/Documentation/RCU/checklist.txt | |||
| @@ -354,12 +354,6 @@ over a rather long period of time, but improvements are always welcome! | |||
| 354 | using RCU rather than SRCU, because RCU is almost always faster | 354 | using RCU rather than SRCU, because RCU is almost always faster |
| 355 | and easier to use than is SRCU. | 355 | and easier to use than is SRCU. |
| 356 | 356 | ||
| 357 | If you need to enter your read-side critical section in a | ||
| 358 | hardirq or exception handler, and then exit that same read-side | ||
| 359 | critical section in the task that was interrupted, then you need | ||
| 360 | to srcu_read_lock_raw() and srcu_read_unlock_raw(), which avoid | ||
| 361 | the lockdep checking that would otherwise this practice illegal. | ||
| 362 | |||
| 363 | Also unlike other forms of RCU, explicit initialization | 357 | Also unlike other forms of RCU, explicit initialization |
| 364 | and cleanup is required via init_srcu_struct() and | 358 | and cleanup is required via init_srcu_struct() and |
| 365 | cleanup_srcu_struct(). These are passed a "struct srcu_struct" | 359 | cleanup_srcu_struct(). These are passed a "struct srcu_struct" |