path: root/Documentation
diff options
Diffstat (limited to 'Documentation')
1 files changed, 0 insertions, 23 deletions
diff --git a/Documentation/x86/x86_64/boot-options.txt b/Documentation/x86/x86_64/boot-options.txt
index 1228b22e142b..5223479291a2 100644
--- a/Documentation/x86/x86_64/boot-options.txt
+++ b/Documentation/x86/x86_64/boot-options.txt
@@ -78,14 +78,6 @@ APICs
no_timer_check Don't check the IO-APIC timer. This can work around
problems with incorrect timer initialization on some boards.
- apicmaintimer Run time keeping from the local APIC timer instead
- of using the PIT/HPET interrupt for this. This is useful
- when the PIT/HPET interrupts are unreliable.
- noapicmaintimer Don't do time keeping using the APIC timer.
- Useful when this option was auto selected, but doesn't work.
Do APIC timer calibration using the pmtimer. Implies
apicmaintimer. Useful when your PIT timer is totally
@@ -144,11 +136,6 @@ Non Executable Mappings
on Enable(default)
off Disable
- additional_cpus=NUM Allow NUM more CPUs for hotplug
- (defaults are specified by the BIOS, see Documentation/x86/x86_64/cpu-hotplug-spec)
numa=off Only set up a single NUMA node spanning all memory.
@@ -289,16 +276,6 @@ Debugging
kstack=N Print N words from the kernel stack in oops dumps.
- pagefaulttrace Dump all page faults. Only useful for extreme debugging
- and will create a lot of output.
- call_trace=[old|both|newfallback|new]
- old: use old inexact backtracer
- new: use new exact dwarf2 unwinder
- both: print entries from both
- newfallback: use new unwinder but fall back to old if it gets
- stuck (default)

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