Documentation: Update x86_64/boot-options.txt

Removed obsolte parameters from boot-options.txt.
Verified by grepping around in arch/x86/.

Signed-off-by: Richard Weinberger <richard@nod.at>
Acked-by: Rob Landley <rob@landley.net>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>

diff --git a/Documentation/x86/x86_64/boot-options.txt b/Documentation/x86/x86_64/boot-options.txt
index 1228b22..5223479 100644 (file)
--- 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.
-
    apicpmtimer
                 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
 
-SMP
-
-  additional_cpus=NUM Allow NUM more CPUs for hotplug
-                (defaults are specified by the BIOS, see Documentation/x86/x86_64/cpu-hotplug-spec)
-
 NUMA
 
   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)
-
 Miscellaneous
 
        nogbpages