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| author | Ingo Molnar <mingo@elte.hu> | 2008-07-31 18:43:41 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-07-31 18:43:41 +0200 |
| commit | 85e9ca333d03fbd56b9e123c8456f0d98e20faad (patch) | |
| tree | 7bb15ada5f536950efa23ad60ea9eea60380ca1c /Documentation/RCU/NMI-RCU.txt | |
| parent | a300bec952127d9a15e666b391bb35c9aecb3002 (diff) | |
| parent | 6e86841d05f371b5b9b86ce76c02aaee83352298 (diff) | |
| download | op-kernel-dev-85e9ca333d03fbd56b9e123c8456f0d98e20faad.zip op-kernel-dev-85e9ca333d03fbd56b9e123c8456f0d98e20faad.tar.gz | |
Merge branch 'linus' into timers/hpet
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 c64158e..a6d32e6 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 not to return until all ongoing NMI handlers exit. It is therefore safe to free up the handler's data as soon as synchronize_sched() returns. +Important note: for this to work, the architecture in question must +invoke irq_enter() and irq_exit() on NMI entry and exit, respectively. + Answer to Quick Quiz |
