diff options
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 |