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| author | Ingo Molnar <mingo@elte.hu> | 2008-07-18 16:50:34 -0400 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-07-18 16:50:34 -0400 |
| commit | a208f37a465e222218974ab20a31b42b7b4893b2 (patch) | |
| tree | 77c6acdd4be32024330a14f2618b814126ce7a20 /Documentation/RCU/NMI-RCU.txt | |
| parent | 511d9d34183662aada3890883e860b151d707e22 (diff) | |
| parent | 5b664cb235e97afbf34db9c4d77f08ebd725335e (diff) | |
Merge branch 'linus' into x86/x2apic
Diffstat (limited to 'Documentation/RCU/NMI-RCU.txt')
| -rw-r--r-- | Documentation/RCU/NMI-RCU.txt | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/Documentation/RCU/NMI-RCU.txt b/Documentation/RCU/NMI-RCU.txt index c64158ecde43..a6d32e65d222 100644 --- a/Documentation/RCU/NMI-RCU.txt +++ b/Documentation/RCU/NMI-RCU.txt | |||
| @@ -93,6 +93,9 @@ Since NMI handlers disable preemption, synchronize_sched() is guaranteed | |||
| 93 | not to return until all ongoing NMI handlers exit. It is therefore safe | 93 | not to return until all ongoing NMI handlers exit. It is therefore safe |
| 94 | to free up the handler's data as soon as synchronize_sched() returns. | 94 | to free up the handler's data as soon as synchronize_sched() returns. |
| 95 | 95 | ||
| 96 | Important note: for this to work, the architecture in question must | ||
| 97 | invoke irq_enter() and irq_exit() on NMI entry and exit, respectively. | ||
| 98 | |||
| 96 | 99 | ||
| 97 | Answer to Quick Quiz | 100 | Answer to Quick Quiz |
| 98 | 101 | ||