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| author | David S. Miller <davem@davemloft.net> | 2008-07-18 09:39:39 (GMT) |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2008-07-18 09:39:39 (GMT) |
| commit | 49997d75152b3d23c53b0fa730599f2f74c92c65 (patch) | |
| tree | 46e93126170d02cfec9505172e545732c1b69656 /Documentation/RCU/NMI-RCU.txt | |
| parent | a0c80b80e0fb48129e4e9d6a9ede914f9ff1850d (diff) | |
| parent | 5b664cb235e97afbf34db9c4d77f08ebd725335e (diff) | |
| download | linux-49997d75152b3d23c53b0fa730599f2f74c92c65.tar.xz | |
Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/torvalds/linux-2.6
Conflicts:
Documentation/powerpc/booting-without-of.txt
drivers/atm/Makefile
drivers/net/fs_enet/fs_enet-main.c
drivers/pci/pci-acpi.c
net/8021q/vlan.c
net/iucv/iucv.c
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 |