diff options
| author | Marcin Slusarz <marcin.slusarz@gmail.com> | 2008-03-23 16:06:30 -0400 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-03-27 11:08:45 -0400 |
| commit | 5abbcf29928966b28d70f8a0da424f55582f8603 (patch) | |
| tree | 9fe5665a315f80f8848b5688a2df0ba46f62aee9 /Documentation/nmi_watchdog.txt | |
| parent | 25e59881f109dc6378ebc463ae4c2de907435de3 (diff) | |
x86, documentation: nmi_watchdog=2 works on x86_64
Signed-off-by: Marcin Slusarz <marcin.slusarz@gmail.com>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'Documentation/nmi_watchdog.txt')
| -rw-r--r-- | Documentation/nmi_watchdog.txt | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/Documentation/nmi_watchdog.txt b/Documentation/nmi_watchdog.txt index c025a4561c10..757c729ee42e 100644 --- a/Documentation/nmi_watchdog.txt +++ b/Documentation/nmi_watchdog.txt | |||
| @@ -23,8 +23,7 @@ kernel debugging options, such as Kernel Stack Meter or Kernel Tracer, | |||
| 23 | may implicitly disable the NMI watchdog.] | 23 | may implicitly disable the NMI watchdog.] |
| 24 | 24 | ||
| 25 | For x86-64, the needed APIC is always compiled in, and the NMI watchdog is | 25 | For x86-64, the needed APIC is always compiled in, and the NMI watchdog is |
| 26 | always enabled with I/O-APIC mode (nmi_watchdog=1). Currently, local APIC | 26 | always enabled with I/O-APIC mode (nmi_watchdog=1). |
| 27 | mode (nmi_watchdog=2) does not work on x86-64. | ||
| 28 | 27 | ||
| 29 | Using local APIC (nmi_watchdog=2) needs the first performance register, so | 28 | Using local APIC (nmi_watchdog=2) needs the first performance register, so |
| 30 | you can't use it for other purposes (such as high precision performance | 29 | you can't use it for other purposes (such as high precision performance |