Merge git://git.kernel.org/pub/scm/linux/kernel/git/hskinnemoen/avr32-2.6

[linux-2.6-omap-h63xx.git] / Documentation / cpu-hotplug.txt

diff --git a/Documentation/cpu-hotplug.txt b/Documentation/cpu-hotplug.txt
index fb94f5a71b688ae6fda63156a2b0bbdcf5387873..94bbc27ddd4fbf50ff361177450c5f524210f1cb 100644 (file)
--- a/Documentation/cpu-hotplug.txt
+++ b/Documentation/cpu-hotplug.txt
@@ -50,7 +50,7 @@ additional_cpus=n (*) Use this to limit hotpluggable cpus. This option sets
                        cpu_possible_map = cpu_present_map + additional_cpus
 
 (*) Option valid only for following architectures
-- x86_64, ia64, s390
+- x86_64, ia64
 
 ia64 and x86_64 use the number of disabled local apics in ACPI tables MADT
 to determine the number of potentially hot-pluggable cpus. The implementation
@@ -59,15 +59,10 @@ apicid values in those tables for disabled apics. In the event BIOS doesn't
 mark such hot-pluggable cpus as disabled entries, one could use this
 parameter "additional_cpus=x" to represent those cpus in the cpu_possible_map.
 
-s390 uses the number of cpus it detects at IPL time to also the number of bits
-in cpu_possible_map. If it is desired to add additional cpus at a later time
-the number should be specified using this option or the possible_cpus option.
-
 possible_cpus=n                [s390 only] use this to set hotpluggable cpus.
                        This option sets possible_cpus bits in
                        cpu_possible_map. Thus keeping the numbers of bits set
                        constant even if the machine gets rebooted.
-                       This option overrides additional_cpus.
 
 CPU maps and such
 -----------------