--- zzzz-none-000/linux-3.10.107/Documentation/x86/x86_64/boot-options.txt	2017-06-27 09:49:32.000000000 +0000
+++ scorpion-7490-727/linux-3.10.107/Documentation/x86/x86_64/boot-options.txt	2021-02-04 17:41:59.000000000 +0000
@@ -31,6 +31,9 @@
 		(e.g. BIOS or hardware monitoring applications), conflicting
 		with OS's error handling, and you cannot deactivate the agent,
 		then this option will be a help.
+   mce=no_lmce
+		Do not opt-in to Local MCE delivery. Use legacy method
+		to broadcast MCEs.
    mce=bootlog
 		Enable logging of machine checks left over from booting.
 		Disabled by default on AMD because some BIOS leave bogus ones.
@@ -78,14 +81,6 @@
 
    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 +139,6 @@
   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.
@@ -176,6 +166,11 @@
 
   acpi=noirq	Don't route interrupts
 
+  acpi=nocmcff	Disable firmware first mode for corrected errors. This
+		disables parsing the HEST CMC error source to check if
+		firmware has set the FF flag. This may result in
+		duplicate corrected error reports.
+
 PCI
 
   pci=off		Don't use PCI
@@ -284,16 +279,6 @@
 
   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